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/***/ "./node_modules/awesomplete-avoid-xss/awesomplete.js":
/*!***********************************************************!*\
  !*** ./node_modules/awesomplete-avoid-xss/awesomplete.js ***!
  \***********************************************************/
/*! no static exports found */
/***/ (function(module, exports) {

/**
 * Simple, lightweight, usable local autocomplete library for modern browsers
 * Because there weren’t enough autocomplete scripts in the world? Because I’m completely insane and have NIH syndrome? Probably both. :P
 * @author Lea Verou http://leaverou.github.io/awesomplete
 * MIT license
 */

(function () {

var _ = function (input, o) {
	var me = this;

	// Setup

	this.isOpened = false;

	this.input = $(input);
	this.input.setAttribute("autocomplete", "off");
	this.input.setAttribute("aria-autocomplete", "list");

	o = o || {};

	configure(this, {
		minChars: 2,
		maxItems: 10,
		autoFirst: false,
		data: _.DATA,
		filter: _.FILTER_CONTAINS,
		sort: o.sort === false ? false : _.SORT_BYLENGTH,
		item: _.ITEM,
		replace: _.REPLACE
	}, o);

	this.index = -1;

	// Create necessary elements

	this.container = $.create("div", {
		className: "awesomplete",
		around: input
	});

	this.ul = $.create("ul", {
		hidden: "hidden",
		inside: this.container
	});

	this.status = $.create("span", {
		className: "visually-hidden",
		role: "status",
		"aria-live": "assertive",
		"aria-relevant": "additions",
		inside: this.container
	});

	// Bind events

	this._events = {
		input: {
			"input": this.evaluate.bind(this),
			"blur": this.close.bind(this, { reason: "blur" }),
			"keydown": function(evt) {
				var c = evt.keyCode;

				// If the dropdown `ul` is in view, then act on keydown for the following keys:
				// Enter / Esc / Up / Down
				if(me.opened) {
					if (c === 13 && me.selected) { // Enter
						evt.preventDefault();
						me.select();
					}
					else if (c === 27) { // Esc
						me.close({ reason: "esc" });
					}
					else if (c === 38 || c === 40) { // Down/Up arrow
						evt.preventDefault();
						me[c === 38? "previous" : "next"]();
					}
				}
			}
		},
		form: {
			"submit": this.close.bind(this, { reason: "submit" })
		},
		ul: {
			"mousedown": function(evt) {
				var li = evt.target;

				if (li !== this) {

					while (li && !/li/i.test(li.nodeName)) {
						li = li.parentNode;
					}

					if (li && evt.button === 0) {  // Only select on left click
						evt.preventDefault();
						me.select(li, evt.target);
					}
				}
			}
		}
	};

	$.bind(this.input, this._events.input);
	$.bind(this.input.form, this._events.form);
	$.bind(this.ul, this._events.ul);

	if (this.input.hasAttribute("list")) {
		this.list = "#" + this.input.getAttribute("list");
		this.input.removeAttribute("list");
	}
	else {
		this.list = this.input.getAttribute("data-list") || o.list || [];
	}

	_.all.push(this);
};

_.prototype = {
	set list(list) {
		if (Array.isArray(list)) {
			this._list = list;
		}
		else if (typeof list === "string" && list.indexOf(",") > -1) {
				this._list = list.split(/\s*,\s*/);
		}
		else { // Element or CSS selector
			list = $(list);

			if (list && list.children) {
				var items = [];
				slice.apply(list.children).forEach(function (el) {
					if (!el.disabled) {
						var text = el.textContent.trim();
						var value = el.value || text;
						var label = el.label || text;
						if (value !== "") {
							items.push({ label: label, value: value });
						}
					}
				});
				this._list = items;
			}
		}

		if (document.activeElement === this.input) {
			this.evaluate();
		}
	},

	get selected() {
		return this.index > -1;
	},

	get opened() {
		return this.isOpened;
	},

	close: function (o) {
		if (!this.opened) {
			return;
		}

		this.ul.setAttribute("hidden", "");
		this.isOpened = false;
		this.index = -1;

		$.fire(this.input, "awesomplete-close", o || {});
	},

	open: function () {
		this.ul.removeAttribute("hidden");
		this.isOpened = true;

		if (this.autoFirst && this.index === -1) {
			this.goto(0);
		}

		$.fire(this.input, "awesomplete-open");
	},

	destroy: function() {
		//remove events from the input and its form
		$.unbind(this.input, this._events.input);
		$.unbind(this.input.form, this._events.form);

		//move the input out of the awesomplete container and remove the container and its children
		var parentNode = this.container.parentNode;

		parentNode.insertBefore(this.input, this.container);
		parentNode.removeChild(this.container);

		//remove autocomplete and aria-autocomplete attributes
		this.input.removeAttribute("autocomplete");
		this.input.removeAttribute("aria-autocomplete");

		//remove this awesomeplete instance from the global array of instances
		var indexOfAwesomplete = _.all.indexOf(this);

		if (indexOfAwesomplete !== -1) {
			_.all.splice(indexOfAwesomplete, 1);
		}
	},

	next: function () {
		var count = this.ul.children.length;
		this.goto(this.index < count - 1 ? this.index + 1 : (count ? 0 : -1) );
	},

	previous: function () {
		var count = this.ul.children.length;
		var pos = this.index - 1;

		this.goto(this.selected && pos !== -1 ? pos : count - 1);
	},

	// Should not be used, highlights specific item without any checks!
	goto: function (i) {
		var lis = this.ul.children;

		if (this.selected) {
			lis[this.index].setAttribute("aria-selected", "false");
		}

		this.index = i;

		if (i > -1 && lis.length > 0) {
			lis[i].setAttribute("aria-selected", "true");
			this.status.textContent = lis[i].textContent;

			// scroll to highlighted element in case parent's height is fixed
			this.ul.scrollTop = lis[i].offsetTop - this.ul.clientHeight + lis[i].clientHeight;

			$.fire(this.input, "awesomplete-highlight", {
				text: this.suggestions[this.index]
			});
		}
	},

	select: function (selected, origin) {
		if (selected) {
			this.index = $.siblingIndex(selected);
		} else {
			selected = this.ul.children[this.index];
		}

		if (selected) {
			var suggestion = this.suggestions[this.index];

			var allowed = $.fire(this.input, "awesomplete-select", {
				text: suggestion,
				origin: origin || selected
			});

			if (allowed) {
				this.replace(suggestion);
				this.close({ reason: "select" });
				$.fire(this.input, "awesomplete-selectcomplete", {
					text: suggestion
				});
			}
		}
	},

	evaluate: function() {
		var me = this;
		var value = this.input.value;

		if (value.length >= this.minChars && this._list.length > 0) {
			this.index = -1;
			// Populate list with options that match
			this.ul.innerHTML = "";

			this.suggestions = this._list
				.map(function(item) {
					return new Suggestion(me.data(item, value));
				})
				.filter(function(item) {
					return me.filter(item, value);
				});

			if (this.sort !== false) {
				this.suggestions = this.suggestions.sort(this.sort);
			}

			this.suggestions = this.suggestions.slice(0, this.maxItems);

			this.suggestions.forEach(function(text) {
					me.ul.appendChild(me.item(text, value));
				});

			if (this.ul.children.length === 0) {
				this.close({ reason: "nomatches" });
			} else {
				this.open();
			}
		}
		else {
			this.close({ reason: "nomatches" });
		}
	}
};

// Static methods/properties

_.all = [];

_.FILTER_CONTAINS = function (text, input) {
	return RegExp($.regExpEscape(input.trim()), "i").test(text);
};

_.FILTER_STARTSWITH = function (text, input) {
	return RegExp("^" + $.regExpEscape(input.trim()), "i").test(text);
};

_.SORT_BYLENGTH = function (a, b) {
	if (a.length !== b.length) {
		return a.length - b.length;
	}

	return a < b? -1 : 1;
};

_.ITEM = function (text, input) {
    input = input.trim();
    var element = document.createElement("li");
    element.setAttribute("aria-selected", "false");

    var regex = new RegExp("("+input+")", "ig");
    var parts = input ? text.split(regex) : [text];
    parts.forEach(function (txt) {
        if (input && txt.match(regex)) {
            var match = document.createElement("mark");
            match.textContent = txt;
            element.appendChild(match);
        } else {
            element.appendChild(document.createTextNode(txt));
        }
    });
    return element;
};

_.REPLACE = function (text) {
	this.input.value = text.value;
};

_.DATA = function (item/*, input*/) { return item; };

// Private functions

function Suggestion(data) {
	var o = Array.isArray(data)
	  ? { label: data[0], value: data[1] }
	  : typeof data === "object" && "label" in data && "value" in data ? data : { label: data, value: data };

	this.label = o.label || o.value;
	this.value = o.value;
}
Object.defineProperty(Suggestion.prototype = Object.create(String.prototype), "length", {
	get: function() { return this.label.length; }
});
Suggestion.prototype.toString = Suggestion.prototype.valueOf = function () {
	return "" + this.label;
};

function configure(instance, properties, o) {
	for (var i in properties) {
		var initial = properties[i],
		    attrValue = instance.input.getAttribute("data-" + i.toLowerCase());

		if (typeof initial === "number") {
			instance[i] = parseInt(attrValue);
		}
		else if (initial === false) { // Boolean options must be false by default anyway
			instance[i] = attrValue !== null;
		}
		else if (initial instanceof Function) {
			instance[i] = null;
		}
		else {
			instance[i] = attrValue;
		}

		if (!instance[i] && instance[i] !== 0) {
			instance[i] = (i in o)? o[i] : initial;
		}
	}
}

// Helpers

var slice = Array.prototype.slice;

function $(expr, con) {
	return typeof expr === "string"? (con || document).querySelector(expr) : expr || null;
}

function $$(expr, con) {
	return slice.call((con || document).querySelectorAll(expr));
}

$.create = function(tag, o) {
	var element = document.createElement(tag);

	for (var i in o) {
		var val = o[i];

		if (i === "inside") {
			$(val).appendChild(element);
		}
		else if (i === "around") {
			var ref = $(val);
			ref.parentNode.insertBefore(element, ref);
			element.appendChild(ref);
		}
		else if (i in element) {
			element[i] = val;
		}
		else {
			element.setAttribute(i, val);
		}
	}

	return element;
};

$.bind = function(element, o) {
	if (element) {
		for (var event in o) {
			var callback = o[event];

			event.split(/\s+/).forEach(function (event) {
				element.addEventListener(event, callback);
			});
		}
	}
};

$.unbind = function(element, o) {
	if (element) {
		for (var event in o) {
			var callback = o[event];

			event.split(/\s+/).forEach(function(event) {
				element.removeEventListener(event, callback);
			});
		}
	}
};

$.fire = function(target, type, properties) {
	var evt = document.createEvent("HTMLEvents");

	evt.initEvent(type, true, true );

	for (var j in properties) {
		evt[j] = properties[j];
	}

	return target.dispatchEvent(evt);
};

$.regExpEscape = function (s) {
	return s.replace(/[-\\^$*+?.()|[\]{}]/g, "\\$&");
};

$.siblingIndex = function (el) {
	/* eslint-disable no-cond-assign */
	for (var i = 0; el = el.previousElementSibling; i++);
	return i;
};

// Initialization

function init() {
	$$("input.awesomplete").forEach(function (input) {
		new _(input);
	});
}

// Are we in a browser? Check for Document constructor
if (typeof Document !== "undefined") {
	// DOM already loaded?
	if (document.readyState !== "loading") {
		init();
	}
	else {
		// Wait for it
		document.addEventListener("DOMContentLoaded", init);
	}
}

_.$ = $;
_.$$ = $$;

// Make sure to export Awesomplete on self when in a browser
if (typeof self !== "undefined") {
	self.Awesomplete = _;
}

// Expose Awesomplete as a CJS module
if (typeof module === "object" && module.exports) {
	module.exports = _;
}

return _;

}());


/*** EXPORTS FROM exports-loader ***/
module.exports = Awesomplete;

/***/ }),

/***/ "./node_modules/backbone.browserStorage/backbone.browserStorage.js":
/*!*************************************************************************!*\
  !*** ./node_modules/backbone.browserStorage/backbone.browserStorage.js ***!
  \*************************************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

/**
 * Backbone localStorage and sessionStorage Adapter
 * Version 0.0.5
 *
 * https://github.com/jcbrand/Backbone.browserStorage
 */
(function (root, factory) {
  if (true) {
    module.exports = factory(__webpack_require__(/*! backbone */ "./node_modules/backbone/backbone.js"), __webpack_require__(/*! underscore */ "./src/underscore-shim.js"));
  } else {}
}(this, function(Backbone, _) {
// A simple module to replace `Backbone.sync` with *browser storage*-based
// persistence. Models are given GUIDS, and saved into a JSON object. Simple
// as that.

// Hold reference to Underscore.js and Backbone.js in the closure in order
// to make things work even if they are removed from the global namespace

// Generate four random hex digits.
function S4() {
   return (((1+Math.random())*0x10000)|0).toString(16).substring(1);
}

// Generate a pseudo-GUID by concatenating random hexadecimal.
function guid() {
   return (S4()+S4()+"-"+S4()+"-"+S4()+"-"+S4()+"-"+S4()+S4()+S4());
}

function contains(array, item) {
  var i = array.length;
  while (i--) if (array[i] === item) return true;
  return false;
}

function extend(obj, props) {
  for (var key in props) { obj[key] = props[key]; }
  return obj;
}

function _browserStorage (name, serializer, type) {
    var _store;
    if (type === 'local' && !window.localStorage ) {
        throw "Backbone.browserStorage: Environment does not support localStorage.";
    } else if (type === 'session' && !window.sessionStorage ) {
        throw "Backbone.browserStorage: Environment does not support sessionStorage.";
    }
    this.name = name;
    this.serializer = serializer || {
        serialize: function(item) {
            return _.isObject(item) ? JSON.stringify(item) : item;
        },
        // fix for "illegal access" error on Android when JSON.parse is passed null
        deserialize: function (data) {
            return data && JSON.parse(data);
        }
    };

    if (type === 'session') {
        this.store = window.sessionStorage;
    } else if (type === 'local') {
        this.store = window.localStorage;
    } else {
        throw "Backbone.browserStorage: No storage type was specified";
    }
    _store = this.store.getItem(this.name);
    this.records = (_store && _store.split(",")) || [];
}

// Our Store is represented by a single JS object in *localStorage* or *sessionStorage*.
// Create it with a meaningful name, like the name you'd give a table.
Backbone.BrowserStorage = {
    local: function (name, serializer) {
        return _browserStorage.bind(this, name, serializer, 'local')();
    },
    session: function (name, serializer) {
        return _browserStorage.bind(this, name, serializer, 'session')();
    }
};

// The browser's local and session stores will be extended with this obj.
var _extension = {

  // Save the current state of the **Store**
  save: function() {
    this.store.setItem(this.name, this.records.join(","));
  },

  // Add a model, giving it a (hopefully)-unique GUID, if it doesn't already
  // have an id of it's own.
  create: function(model, options) {
    if (!model.id) {
      model.id = guid();
      model.set(model.idAttribute, model.id, options);
    }
    this.store.setItem(this._itemName(model.id), this.serializer.serialize(model));
    this.records.push(model.id.toString());
    this.save();
    return this.find(model);
  },

  // Update a model by replacing its copy in `this.data`.
  update: function(model) {
    this.store.setItem(this._itemName(model.id), this.serializer.serialize(model));
    var modelId = model.id.toString();
    if (!contains(this.records, modelId)) {
      this.records.push(modelId);
      this.save();
    }
    return this.find(model);
  },

  // Retrieve a model from `this.data` by id.
  find: function(model) {
    return this.serializer.deserialize(this.store.getItem(this._itemName(model.id)));
  },

  // Return the array of all models currently in storage.
  findAll: function() {
    var result = [];
    for (var i = 0, id, data; i < this.records.length; i++) {
      id = this.records[i];
      data = this.serializer.deserialize(this.store.getItem(this._itemName(id)));
      if (data !== null) result.push(data);
    }
    return result;
  },

  // Delete a model from `this.data`, returning it.
  destroy: function(model) {
    this.store.removeItem(this._itemName(model.id));
    var modelId = model.id.toString();
    for (var i = 0, id; i < this.records.length; i++) {
      if (this.records[i] === modelId) {
        this.records.splice(i, 1);
      }
    }
    this.save();
    return model;
  },

  browserStorage: function() {
    return {
        session: sessionStorage,
        local: localStorage
    };
  },

  // Clear browserStorage for specific collection.
  _clear: function() {
    var local = this.store, itemRe;

    // Escape special regex characters in id.
    itemRe = new RegExp("^" + this.name.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&") + "-");
    
    // Remove id-tracking item (e.g., "foo").
    local.removeItem(this.name);

    // Match all data items (e.g., "foo-ID") and remove.
    for (var k in local) {
      if (itemRe.test(k)) {
        local.removeItem(k);
      }
    }

    this.records.length = 0;
  },

  // Size of browserStorage.
  _storageSize: function() {
    return this.store.length;
  },

  _itemName: function(id) {
    return this.name+"-"+id;
  }

};

extend(Backbone.BrowserStorage.session.prototype, _extension);
extend(Backbone.BrowserStorage.local.prototype, _extension);

// localSync delegate to the model or collection's
// *browserStorage* property, which should be an instance of `Store`.
// window.Store.sync and Backbone.localSync is deprecated, use Backbone.BrowserStorage.sync instead
Backbone.BrowserStorage.sync = Backbone.localSync = function(method, model, options) {
  var store = model.browserStorage || model.collection.browserStorage;

  var resp, errorMessage;
  //If $ is having Deferred - use it.
  var syncDfd = Backbone.$ ?
    (Backbone.$.Deferred && Backbone.$.Deferred()) :
    (Backbone.Deferred && Backbone.Deferred());

  try {

    switch (method) {
      case "read":
        resp = model.id !== undefined ? store.find(model) : store.findAll();
        break;
      case "create":
        resp = store.create(model, options);
        break;
      case "update":
        resp = store.update(model, options);
        break;
      case "delete":
        resp = store.destroy(model, options);
        break;
    }

  } catch(error) {
    if (error.code === 22 && store._storageSize() === 0)
      errorMessage = "Private browsing is unsupported";
    else
      errorMessage = error.message;
  }

  if (resp) {
    if (options && options.success) {
        options.success(resp, options);
    }
    if (syncDfd) {
        syncDfd.resolve(resp);
    }
  } else {
    errorMessage = errorMessage ? errorMessage : "Record Not Found";
    if (options && options.error) {
        options.error(errorMessage);
    }
    if (syncDfd) {
        syncDfd.reject(errorMessage);
    }
  }

  // add compatibility with $.ajax
  // always execute callback for success and error
  if (options && options.complete) options.complete(resp);

  return syncDfd && syncDfd.promise();
};

Backbone.ajaxSync = Backbone.sync;

Backbone.getSyncMethod = function(model) {
  if(model.browserStorage || (model.collection && model.collection.browserStorage)) {
    return Backbone.localSync;
  }
  return Backbone.ajaxSync;
};

// Override 'Backbone.sync' to default to localSync,
// the original 'Backbone.sync' is still available in 'Backbone.ajaxSync'
Backbone.sync = function(method, model, options) {
  return Backbone.getSyncMethod(model).apply(this, [method, model, options]);
};

return Backbone.BrowserStorage;
}));


/***/ }),

/***/ "./node_modules/backbone.nativeview/backbone.nativeview.js":
/*!*****************************************************************!*\
  !*** ./node_modules/backbone.nativeview/backbone.nativeview.js ***!
  \*****************************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;// Backbone.NativeView.js 0.3.3
// ---------------

//     (c) 2015 Adam Krebs, Jimmy Yuen Ho Wong
//     Backbone.NativeView may be freely distributed under the MIT license.
//     For all details and documentation:
//     https://github.com/akre54/Backbone.NativeView

(function (factory) {
  if (true) { !(__WEBPACK_AMD_DEFINE_ARRAY__ = [__webpack_require__(/*! backbone */ "./node_modules/backbone/backbone.js")], __WEBPACK_AMD_DEFINE_FACTORY__ = (factory),
				__WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ?
				(__WEBPACK_AMD_DEFINE_FACTORY__.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__)) : __WEBPACK_AMD_DEFINE_FACTORY__),
				__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
  } else {}
}(function (Backbone) {
  // Cached regex to match an opening '<' of an HTML tag, possibly left-padded
  // with whitespace.
  var paddedLt = /^\s*</;

  // Caches a local reference to `Element.prototype` for faster access.
  var ElementProto = (typeof Element !== 'undefined' && Element.prototype) || {};

  // Cross-browser event listener shims
  var elementAddEventListener = ElementProto.addEventListener || function(eventName, listener) {
    return this.attachEvent('on' + eventName, listener);
  }
  var elementRemoveEventListener = ElementProto.removeEventListener || function(eventName, listener) {
    return this.detachEvent('on' + eventName, listener);
  }

  var indexOf = function(array, item) {
    for (var i = 0, len = array.length; i < len; i++) if (array[i] === item) return i;
    return -1;
  }

  // Find the right `Element#matches` for IE>=9 and modern browsers.
  var matchesSelector = ElementProto.matches ||
      ElementProto.webkitMatchesSelector ||
      ElementProto.mozMatchesSelector ||
      ElementProto.msMatchesSelector ||
      ElementProto.oMatchesSelector ||
      // Make our own `Element#matches` for IE8
      function(selector) {
        // Use querySelectorAll to find all elements matching the selector,
        // then check if the given element is included in that list.
        // Executing the query on the parentNode reduces the resulting nodeList,
        // (document doesn't have a parentNode).
        var nodeList = (this.parentNode || document).querySelectorAll(selector) || [];
        return ~indexOf(nodeList, this);
      };

  // Cache Backbone.View for later access in constructor
  var BBView = Backbone.View;

  // To extend an existing view to use native methods, extend the View prototype
  // with the mixin: _.extend(MyView.prototype, Backbone.NativeViewMixin);
  Backbone.NativeViewMixin = {

    _domEvents: null,

    constructor: function() {
      this._domEvents = [];
      return BBView.apply(this, arguments);
    },

    $: function(selector) {
      return this.el.querySelectorAll(selector);
    },

    _removeElement: function() {
      this.undelegateEvents();
      if (this.el.parentNode) this.el.parentNode.removeChild(this.el);
    },

    // Apply the `element` to the view. `element` can be a CSS selector,
    // a string of HTML, or an Element node.
    _setElement: function(element) {
      if (typeof element == 'string') {
        if (paddedLt.test(element)) {
          var el = document.createElement('div');
          el.innerHTML = element;
          this.el = el.firstChild;
        } else {
          this.el = document.querySelector(element);
        }
      } else {
        this.el = element;
      }
    },

    // Set a hash of attributes to the view's `el`. We use the "prop" version
    // if available, falling back to `setAttribute` for the catch-all.
    _setAttributes: function(attrs) {
      for (var attr in attrs) {
        attr in this.el ? this.el[attr] = attrs[attr] : this.el.setAttribute(attr, attrs[attr]);
      }
    },

    // Make a event delegation handler for the given `eventName` and `selector`
    // and attach it to `this.el`.
    // If selector is empty, the listener will be bound to `this.el`. If not, a
    // new handler that will recursively traverse up the event target's DOM
    // hierarchy looking for a node that matches the selector. If one is found,
    // the event's `delegateTarget` property is set to it and the return the
    // result of calling bound `listener` with the parameters given to the
    // handler.
    delegate: function(eventName, selector, listener) {
      if (typeof selector === 'function') {
        listener = selector;
        selector = null;
      }

      var root = this.el;
      var handler = selector ? function (e) {
        var node = e.target || e.srcElement;
        for (; node && node != root; node = node.parentNode) {
          if (matchesSelector.call(node, selector)) {
            e.delegateTarget = node;
            listener(e);
          }
        }
      } : listener;

      elementAddEventListener.call(this.el, eventName, handler, false);
      this._domEvents.push({eventName: eventName, handler: handler, listener: listener, selector: selector});
      return handler;
    },

    // Remove a single delegated event. Either `eventName` or `selector` must
    // be included, `selector` and `listener` are optional.
    undelegate: function(eventName, selector, listener) {
      if (typeof selector === 'function') {
        listener = selector;
        selector = null;
      }

      if (this.el) {
        var handlers = this._domEvents.slice();
        for (var i = 0, len = handlers.length; i < len; i++) {
          var item = handlers[i];

          var match = item.eventName === eventName &&
              (listener ? item.listener === listener : true) &&
              (selector ? item.selector === selector : true);

          if (!match) continue;

          elementRemoveEventListener.call(this.el, item.eventName, item.handler, false);
          this._domEvents.splice(indexOf(handlers, item), 1);
        }
      }
      return this;
    },

    // Remove all events created with `delegate` from `el`
    undelegateEvents: function() {
      if (this.el) {
        for (var i = 0, len = this._domEvents.length; i < len; i++) {
          var item = this._domEvents[i];
          elementRemoveEventListener.call(this.el, item.eventName, item.handler, false);
        };
        this._domEvents.length = 0;
      }
      return this;
    }
  };

  Backbone.NativeView = Backbone.View.extend(Backbone.NativeViewMixin);

  return Backbone.NativeView;
}));


/***/ }),

/***/ "./node_modules/backbone.overview/backbone.orderedlistview.js":
/*!********************************************************************!*\
  !*** ./node_modules/backbone.overview/backbone.orderedlistview.js ***!
  \********************************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;/*** IMPORTS FROM imports-loader ***/
var backbone = (backbone || {});
backbone.nativeview = __webpack_require__(/*! backbone.nativeview */ "./node_modules/backbone.nativeview/backbone.nativeview.js");

/*!
 * Backbone.OrderedListView
 *
 * Copyright (c) 2017, JC Brand <jc@opkode.com>
 * Licensed under the Mozilla Public License (MPL) 
 */
(function (root, factory) {
    if (true) {
        !(__WEBPACK_AMD_DEFINE_ARRAY__ = [__webpack_require__(/*! underscore */ "./src/underscore-shim.js"), __webpack_require__(/*! backbone */ "./node_modules/backbone/backbone.js"), __webpack_require__(/*! backbone.overview */ "./node_modules/backbone.overview/backbone.overview.js")], __WEBPACK_AMD_DEFINE_FACTORY__ = (factory),
				__WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ?
				(__WEBPACK_AMD_DEFINE_FACTORY__.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__)) : __WEBPACK_AMD_DEFINE_FACTORY__),
				__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
   } else {}
}(this, function (_, Backbone) {
    "use strict";

    Backbone.OrderedListView = Backbone.Overview.extend({
        /* An OrderedListView is a special type of Overview which adds some
         * methods and conventions for rendering an ordered list of elements.
         */

        // The `listItems` attribute denotes the path (from this View) to the
        // list of items.
        listItems: 'model',
        // The `sortEvent` attribute specifies the event which should cause the
        // ordered list to be sorted.
        sortEvent: 'change',
        // The `listSelector` is the selector used to query for the DOM list
        // element which contains the ordered items.
        listSelector: '.ordered-items',
        // The `itemView` is constructor which should be called to create a
        // View for a new item.
        ItemView: undefined,
        // The `subviewIndex` is the attribute of the list element model which
        // acts as the index of the subview in the overview.
        // An overview is a "Collection" of views, and they can be retrieved
        // via an index. By default this is the 'id' attribute, but it could be
        // set to something else.
        subviewIndex: 'id',

        initialize () {
            this.sortEventually = _.debounce(
                this.sortAndPositionAllItems.bind(this), 500);

            this.items = _.get(this, this.listItems);
            this.items.on('add', this.sortAndPositionAllItems, this);
            this.items.on('remove', this.removeView, this);
            if (!_.isNil(this.sortEvent)) {
                this.items.on(this.sortEvent, this.sortEventually, this);
            }
        },

        createItemView (item) {
            let item_view = this.get(item.get(this.subviewIndex));
            if (!item_view) {
                item_view = new this.ItemView({model: item});
                this.add(item.get(this.subviewIndex), item_view);
            } else {
                item_view.model = item;
                item_view.initialize();
            }
            item_view.render();
            return item_view;
        },

        removeView (item) {
            this.remove(item.get(this.subviewIndex));
        },

        sortAndPositionAllItems () {
            if (!this.items.length) {
                return;
            }
            this.items.sort();

            const list_el = this.el.querySelector(this.listSelector);
            const div = document.createElement('div');
            list_el.parentNode.replaceChild(div, list_el);
            this.items.each((item) => {
                let view = this.get(item.get(this.subviewIndex));
                if (_.isUndefined(view)) {
                    view = this.createItemView(item)
                }
                list_el.insertAdjacentElement('beforeend', view.el);
            });
            div.parentNode.replaceChild(list_el, div);
        }
    });

    return Backbone.OrderedListView;
}));



/***/ }),

/***/ "./node_modules/backbone.overview/backbone.overview.js":
/*!*************************************************************!*\
  !*** ./node_modules/backbone.overview/backbone.overview.js ***!
  \*************************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;/*** IMPORTS FROM imports-loader ***/
var backbone = (backbone || {});
backbone.nativeview = __webpack_require__(/*! backbone.nativeview */ "./node_modules/backbone.nativeview/backbone.nativeview.js");

/*!
 * Backbone.Overview 
 *
 * Copyright (c) 2018, JC Brand <jc@opkode.com>
 * Licensed under the Mozilla Public License (MPL) 
 */
(function (root, factory) {
    if (true) {
        !(__WEBPACK_AMD_DEFINE_ARRAY__ = [__webpack_require__(/*! underscore */ "./src/underscore-shim.js"), __webpack_require__(/*! backbone */ "./node_modules/backbone/backbone.js")], __WEBPACK_AMD_DEFINE_FACTORY__ = (factory),
				__WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ?
				(__WEBPACK_AMD_DEFINE_FACTORY__.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__)) : __WEBPACK_AMD_DEFINE_FACTORY__),
				__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
   } else {}
}(this, function (_, Backbone) {
    "use strict";

    const View = _.isUndefined(Backbone.NativeView) ? Backbone.View : Backbone.NativeView;

    const Overview = Backbone.Overview = function (options) {
        /* An Overview is a View that contains and keeps track of sub-views.
         * Kind of like what a Collection is to a Model.
         */
        var that = this;
        this.views = {};
        this.keys = _.partial(_.keys, this.views);
        this.getAll = _.partial(_.identity, this.views);

        this.get = function (id) {
            return that.views[id];
        };

        this.xget = function (id) {
            /* Exclusive get. Returns all instances except the given id. */
            return _.filter(that.views, function (view, vid) {
                return vid !== id;
            });
        };

        this.add = function (id, view) {
            that.views[id] = view;
            return view;
        };

        this.remove = function (id) {
            if (typeof id === "undefined") {
                new View().remove.apply(that);
            }
            var view = that.views[id];
            if (view) {
                delete that.views[id];
                view.remove();
                return view;
            }
        };

        this.removeAll = function () {
            _.each(_.keys(that.views), that.remove);
            return that;
        };
        View.apply(this, Array.prototype.slice.apply(arguments));
    };

    var methods = [
        'all', 'any', 'chain', 'collect', 'contains', 'detect',
        'difference', 'drop', 'each', 'every', 'filter', 'find',
        'first', 'foldl', 'foldr', 'forEach', 'head', 'include',
        'indexOf', 'initial', 'inject', 'invoke', 'isEmpty',
        'last', 'lastIndexOf', 'map', 'max', 'min', 'reduce',
        'reduceRight', 'reject', 'rest', 'sample', 'select',
        'shuffle', 'size', 'some', 'sortBy', 'tail', 'take',
        'toArray', 'without',
    ];
    // Mix in each Underscore method as a proxy to `Overview#view`.
    _.each(methods, function(method) {
        Overview.prototype[method] = function() {
            var args = Array.prototype.slice.call(arguments);
            args.unshift(this.views);
            return _[method].apply(_, args);
        };
    });
    _.extend(Overview.prototype, View.prototype);
    Overview.extend = View.extend;


    Backbone.OrderedListView = Backbone.Overview.extend({

        // The `listItems` attribute denotes the path (from this View) to the
        // list of items.
        listItems: 'model',
        // The `sortEvent` attribute specifies the event which should cause the
        // ordered list to be sorted.
        sortEvent: 'change',
        // The `listSelector` is the selector used to query for the DOM list
        // element which contains the ordered items.
        listSelector: '.ordered-items',
        // The `itemView` is constructor which should be called to create a
        // View for a new item.
        ItemView: undefined,

        initialize () {
            this.sortEventually = _.debounce(this.sortAndPositionAllItems.bind(this), 500);
            this.items = _.get(this, this.listItems);
            this.items.on('add', this.createItemView, this);
            this.items.on('add', this.sortEventually, this);
            this.items.on(this.sortEvent, this.sortEventually, this);
        },

        createItemView (item) {
            let item_view = this.get(item.get('id'));
            if (!item_view) {
                item_view = new this.ItemView({model: item});
                this.add(item.get('id'), item_view);
            } else {
                item_view.model = item;
                item_view.initialize();
            }
            item_view.render();
            return item_view;
        },


        sortAndPositionAllItems () {
            this.items.sort();
            this.items.each((item) => {
                if (_.isUndefined(this.get(item.get('id')))) {
                    this.createItemView(item)
                }
                this.positionItem(item, this.el.querySelector(this.listSelector));
            });
        },

        positionItem (item, list_el) {
            /* Place the View's DOM element in the correct alphabetical
             * position in the list.
             *
             * IMPORTANT: there's an important implicit assumption being
             * made here. And that is that initially this method gets called
             * for each item in the right positional order.
             *
             * In other words, it gets called for the 0th, then the
             * 1st, then the 2nd, 3rd and so on.
             *
             * That's why we call it in the "success" handler after
             * fetching the items, so that we know we have ALL of
             * them and that they're sorted.
             */
            const view = this.get(item.get('id')),
                index = this.items.indexOf(item);

            if (index === 0) {
                list_el.insertAdjacentElement('afterbegin', view.el);
            } else if (index === (this.items.length-1)) {
                list_el.insertAdjacentElement('beforeend', view.el);
            } else {
                const neighbour_el = list_el.querySelector('li:nth-child('+index+')');
                neighbour_el.insertAdjacentElement('afterend', view.el);
            }
            return view;
        }
    });

    return Backbone.Overview;
}));



/***/ }),

/***/ "./node_modules/backbone.vdomview/backbone.vdomview.js":
/*!*************************************************************!*\
  !*** ./node_modules/backbone.vdomview/backbone.vdomview.js ***!
  \*************************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;/*** IMPORTS FROM imports-loader ***/
var backbone = (backbone || {});
backbone.nativeview = __webpack_require__(/*! backbone.nativeview */ "./node_modules/backbone.nativeview/backbone.nativeview.js");

/*!
 * Backbone.VDOMView
 *
 * MIT Licensed. Copyright (c) 2017, JC Brand <jc@opkode.com>
 */
(function (root, factory) {
    if (true) {
        !(__WEBPACK_AMD_DEFINE_ARRAY__ = [
            __webpack_require__(/*! snabbdom */ "./node_modules/snabbdom/dist/snabbdom.js"),
            __webpack_require__(/*! snabbdom-attributes */ "./node_modules/snabbdom/dist/snabbdom-attributes.js"),
            __webpack_require__(/*! snabbdom-class */ "./node_modules/snabbdom/dist/snabbdom-class.js"),
            __webpack_require__(/*! snabbdom-dataset */ "./node_modules/snabbdom/dist/snabbdom-dataset.js"),
            __webpack_require__(/*! snabbdom-props */ "./node_modules/snabbdom/dist/snabbdom-props.js"),
            __webpack_require__(/*! snabbdom-style */ "./node_modules/snabbdom/dist/snabbdom-style.js"),
            __webpack_require__(/*! tovnode */ "./node_modules/snabbdom/dist/tovnode.js"),
            __webpack_require__(/*! underscore */ "./src/underscore-shim.js"),
            __webpack_require__(/*! backbone */ "./node_modules/backbone/backbone.js")
        ], __WEBPACK_AMD_DEFINE_FACTORY__ = (factory),
				__WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ?
				(__WEBPACK_AMD_DEFINE_FACTORY__.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__)) : __WEBPACK_AMD_DEFINE_FACTORY__),
				__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
    } else {}
}(this, function (
        snabbdom,
        snabbdom_attributes,
        snabbdom_class,
        snabbdom_dataset,
        snabbdom_props,
        snabbdom_style,
        tovnode,
        _,
        Backbone) {
    "use strict";

    let domParser = new DOMParser();
    const patch = snabbdom.init([
        snabbdom_attributes.default,
        snabbdom_class.default,
        snabbdom_dataset.default,
        snabbdom_props.default,
        snabbdom_style.default
    ]);

    const View = _.isUndefined(Backbone.NativeView) ? Backbone.View : Backbone.NativeView;

    function parseHTMLToDOM (html_str) {
        /* Parses a string with HTML and returns a DOM element.
         *
         * Forked from vdom_parser:
         *      https://github.com/bitinn/vdom-parser
         */
        if (typeof html_str !== 'string') {
            throw new Error('Invalid parameter type in parseHTMLToDOM');
        }
        if ( !('DOMParser' in window) ) {
            throw new Error(
                'DOMParser is not available, '+
                'so parsing string to DOM node is not possible.');
        }
        if (!html_str) {
            return document.createTextNode('');
        }
        domParser = domParser || new DOMParser();
        const doc = domParser.parseFromString(html_str, 'text/html');

        // most tags default to body
        if (doc.body.firstChild) {
            return doc.getElementsByTagName('body')[0].firstChild;

        // some tags, like script and style, default to head
        } else if (doc.head.firstChild && (doc.head.firstChild.tagName !== 'TITLE' || doc.title)) {
            return doc.head.firstChild;

        // special case for html comment, cdata, doctype
        } else if (doc.firstChild && doc.firstChild.tagName !== 'HTML') {
            return doc.firstChild;

        // other element, such as whitespace, or html/body/head tag, fallback to empty text node
        } else {
            return document.createTextNode('');
        }
    }

    Backbone.VDOMView = View.extend({

        updateEventListeners (old_vnode, new_vnode) {
            this.setElement(new_vnode.elm);
        },

        render () {
            if (_.isFunction(this.beforeRender)) {
                this.beforeRender();
            }
            const new_vnode = tovnode.toVNode(parseHTMLToDOM(this.toHTML()));
            new_vnode.data.hook = _.extend({
               create: this.updateEventListeners.bind(this),
               update: this.updateEventListeners.bind(this)
            });
            const el = this.vnode ? this.vnode.elm : this.el;
            if (el.outerHTML !== new_vnode.elm.outerHTML) {
                this.vnode = patch(this.vnode || this.el, new_vnode);
            }
            if (_.isFunction(this.afterRender)) {
                this.afterRender();
            }
            return this;
        }
    });
    return Backbone.VDOMView;
}));



/***/ }),

/***/ "./node_modules/backbone/backbone.js":
/*!*******************************************!*\
  !*** ./node_modules/backbone/backbone.js ***!
  \*******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

/* WEBPACK VAR INJECTION */(function(global) {var __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;//     Backbone.js 1.3.3

//     (c) 2010-2016 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
//     Backbone may be freely distributed under the MIT license.
//     For all details and documentation:
//     http://backbonejs.org

(function(factory) {

  // Establish the root object, `window` (`self`) in the browser, or `global` on the server.
  // We use `self` instead of `window` for `WebWorker` support.
  var root = (typeof self == 'object' && self.self === self && self) ||
            (typeof global == 'object' && global.global === global && global);

  // Set up Backbone appropriately for the environment. Start with AMD.
  if (true) {
    !(__WEBPACK_AMD_DEFINE_ARRAY__ = [__webpack_require__(/*! underscore */ "./src/underscore-shim.js"), __webpack_require__(/*! jquery */ "./src/jquery-stub.js"), exports], __WEBPACK_AMD_DEFINE_RESULT__ = (function(_, $, exports) {
      // Export global even in AMD case in case this script is loaded with
      // others that may still expect a global Backbone.
      root.Backbone = factory(root, exports, _, $);
    }).apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__),
				__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));

  // Next for Node.js or CommonJS. jQuery may not be needed as a module.
  } else { var _, $; }

})(function(root, Backbone, _, $) {

  // Initial Setup
  // -------------

  // Save the previous value of the `Backbone` variable, so that it can be
  // restored later on, if `noConflict` is used.
  var previousBackbone = root.Backbone;

  // Create a local reference to a common array method we'll want to use later.
  var slice = Array.prototype.slice;

  // Current version of the library. Keep in sync with `package.json`.
  Backbone.VERSION = '1.3.3';

  // For Backbone's purposes, jQuery, Zepto, Ender, or My Library (kidding) owns
  // the `$` variable.
  Backbone.$ = $;

  // Runs Backbone.js in *noConflict* mode, returning the `Backbone` variable
  // to its previous owner. Returns a reference to this Backbone object.
  Backbone.noConflict = function() {
    root.Backbone = previousBackbone;
    return this;
  };

  // Turn on `emulateHTTP` to support legacy HTTP servers. Setting this option
  // will fake `"PATCH"`, `"PUT"` and `"DELETE"` requests via the `_method` parameter and
  // set a `X-Http-Method-Override` header.
  Backbone.emulateHTTP = false;

  // Turn on `emulateJSON` to support legacy servers that can't deal with direct
  // `application/json` requests ... this will encode the body as
  // `application/x-www-form-urlencoded` instead and will send the model in a
  // form param named `model`.
  Backbone.emulateJSON = false;

  // Proxy Backbone class methods to Underscore functions, wrapping the model's
  // `attributes` object or collection's `models` array behind the scenes.
  //
  // collection.filter(function(model) { return model.get('age') > 10 });
  // collection.each(this.addView);
  //
  // `Function#apply` can be slow so we use the method's arg count, if we know it.
  var addMethod = function(length, method, attribute) {
    switch (length) {
      case 1: return function() {
        return _[method](this[attribute]);
      };
      case 2: return function(value) {
        return _[method](this[attribute], value);
      };
      case 3: return function(iteratee, context) {
        return _[method](this[attribute], cb(iteratee, this), context);
      };
      case 4: return function(iteratee, defaultVal, context) {
        return _[method](this[attribute], cb(iteratee, this), defaultVal, context);
      };
      default: return function() {
        var args = slice.call(arguments);
        args.unshift(this[attribute]);
        return _[method].apply(_, args);
      };
    }
  };
  var addUnderscoreMethods = function(Class, methods, attribute) {
    _.each(methods, function(length, method) {
      if (_[method]) Class.prototype[method] = addMethod(length, method, attribute);
    });
  };

  // Support `collection.sortBy('attr')` and `collection.findWhere({id: 1})`.
  var cb = function(iteratee, instance) {
    if (_.isFunction(iteratee)) return iteratee;
    if (_.isObject(iteratee) && !instance._isModel(iteratee)) return modelMatcher(iteratee);
    if (_.isString(iteratee)) return function(model) { return model.get(iteratee); };
    return iteratee;
  };
  var modelMatcher = function(attrs) {
    var matcher = _.matches(attrs);
    return function(model) {
      return matcher(model.attributes);
    };
  };

  // Backbone.Events
  // ---------------

  // A module that can be mixed in to *any object* in order to provide it with
  // a custom event channel. You may bind a callback to an event with `on` or
  // remove with `off`; `trigger`-ing an event fires all callbacks in
  // succession.
  //
  //     var object = {};
  //     _.extend(object, Backbone.Events);
  //     object.on('expand', function(){ alert('expanded'); });
  //     object.trigger('expand');
  //
  var Events = Backbone.Events = {};

  // Regular expression used to split event strings.
  var eventSplitter = /\s+/;

  // Iterates over the standard `event, callback` (as well as the fancy multiple
  // space-separated events `"change blur", callback` and jQuery-style event
  // maps `{event: callback}`).
  var eventsApi = function(iteratee, events, name, callback, opts) {
    var i = 0, names;
    if (name && typeof name === 'object') {
      // Handle event maps.
      if (callback !== void 0 && 'context' in opts && opts.context === void 0) opts.context = callback;
      for (names = _.keys(name); i < names.length ; i++) {
        events = eventsApi(iteratee, events, names[i], name[names[i]], opts);
      }
    } else if (name && eventSplitter.test(name)) {
      // Handle space-separated event names by delegating them individually.
      for (names = name.split(eventSplitter); i < names.length; i++) {
        events = iteratee(events, names[i], callback, opts);
      }
    } else {
      // Finally, standard events.
      events = iteratee(events, name, callback, opts);
    }
    return events;
  };

  // Bind an event to a `callback` function. Passing `"all"` will bind
  // the callback to all events fired.
  Events.on = function(name, callback, context) {
    return internalOn(this, name, callback, context);
  };

  // Guard the `listening` argument from the public API.
  var internalOn = function(obj, name, callback, context, listening) {
    obj._events = eventsApi(onApi, obj._events || {}, name, callback, {
      context: context,
      ctx: obj,
      listening: listening
    });

    if (listening) {
      var listeners = obj._listeners || (obj._listeners = {});
      listeners[listening.id] = listening;
    }

    return obj;
  };

  // Inversion-of-control versions of `on`. Tell *this* object to listen to
  // an event in another object... keeping track of what it's listening to
  // for easier unbinding later.
  Events.listenTo = function(obj, name, callback) {
    if (!obj) return this;
    var id = obj._listenId || (obj._listenId = _.uniqueId('l'));
    var listeningTo = this._listeningTo || (this._listeningTo = {});
    var listening = listeningTo[id];

    // This object is not listening to any other events on `obj` yet.
    // Setup the necessary references to track the listening callbacks.
    if (!listening) {
      var thisId = this._listenId || (this._listenId = _.uniqueId('l'));
      listening = listeningTo[id] = {obj: obj, objId: id, id: thisId, listeningTo: listeningTo, count: 0};
    }

    // Bind callbacks on obj, and keep track of them on listening.
    internalOn(obj, name, callback, this, listening);
    return this;
  };

  // The reducing API that adds a callback to the `events` object.
  var onApi = function(events, name, callback, options) {
    if (callback) {
      var handlers = events[name] || (events[name] = []);
      var context = options.context, ctx = options.ctx, listening = options.listening;
      if (listening) listening.count++;

      handlers.push({callback: callback, context: context, ctx: context || ctx, listening: listening});
    }
    return events;
  };

  // Remove one or many callbacks. If `context` is null, removes all
  // callbacks with that function. If `callback` is null, removes all
  // callbacks for the event. If `name` is null, removes all bound
  // callbacks for all events.
  Events.off = function(name, callback, context) {
    if (!this._events) return this;
    this._events = eventsApi(offApi, this._events, name, callback, {
      context: context,
      listeners: this._listeners
    });
    return this;
  };

  // Tell this object to stop listening to either specific events ... or
  // to every object it's currently listening to.
  Events.stopListening = function(obj, name, callback) {
    var listeningTo = this._listeningTo;
    if (!listeningTo) return this;

    var ids = obj ? [obj._listenId] : _.keys(listeningTo);

    for (var i = 0; i < ids.length; i++) {
      var listening = listeningTo[ids[i]];

      // If listening doesn't exist, this object is not currently
      // listening to obj. Break out early.
      if (!listening) break;

      listening.obj.off(name, callback, this);
    }

    return this;
  };

  // The reducing API that removes a callback from the `events` object.
  var offApi = function(events, name, callback, options) {
    if (!events) return;

    var i = 0, listening;
    var context = options.context, listeners = options.listeners;

    // Delete all events listeners and "drop" events.
    if (!name && !callback && !context) {
      var ids = _.keys(listeners);
      for (; i < ids.length; i++) {
        listening = listeners[ids[i]];
        delete listeners[listening.id];
        delete listening.listeningTo[listening.objId];
      }
      return;
    }

    var names = name ? [name] : _.keys(events);
    for (; i < names.length; i++) {
      name = names[i];
      var handlers = events[name];

      // Bail out if there are no events stored.
      if (!handlers) break;

      // Replace events if there are any remaining.  Otherwise, clean up.
      var remaining = [];
      for (var j = 0; j < handlers.length; j++) {
        var handler = handlers[j];
        if (
          callback && callback !== handler.callback &&
            callback !== handler.callback._callback ||
              context && context !== handler.context
        ) {
          remaining.push(handler);
        } else {
          listening = handler.listening;
          if (listening && --listening.count === 0) {
            delete listeners[listening.id];
            delete listening.listeningTo[listening.objId];
          }
        }
      }

      // Update tail event if the list has any events.  Otherwise, clean up.
      if (remaining.length) {
        events[name] = remaining;
      } else {
        delete events[name];
      }
    }
    return events;
  };

  // Bind an event to only be triggered a single time. After the first time
  // the callback is invoked, its listener will be removed. If multiple events
  // are passed in using the space-separated syntax, the handler will fire
  // once for each event, not once for a combination of all events.
  Events.once = function(name, callback, context) {
    // Map the event into a `{event: once}` object.
    var events = eventsApi(onceMap, {}, name, callback, _.bind(this.off, this));
    if (typeof name === 'string' && context == null) callback = void 0;
    return this.on(events, callback, context);
  };

  // Inversion-of-control versions of `once`.
  Events.listenToOnce = function(obj, name, callback) {
    // Map the event into a `{event: once}` object.
    var events = eventsApi(onceMap, {}, name, callback, _.bind(this.stopListening, this, obj));
    return this.listenTo(obj, events);
  };

  // Reduces the event callbacks into a map of `{event: onceWrapper}`.
  // `offer` unbinds the `onceWrapper` after it has been called.
  var onceMap = function(map, name, callback, offer) {
    if (callback) {
      var once = map[name] = _.once(function() {
        offer(name, once);
        callback.apply(this, arguments);
      });
      once._callback = callback;
    }
    return map;
  };

  // Trigger one or many events, firing all bound callbacks. Callbacks are
  // passed the same arguments as `trigger` is, apart from the event name
  // (unless you're listening on `"all"`, which will cause your callback to
  // receive the true name of the event as the first argument).
  Events.trigger = function(name) {
    if (!this._events) return this;

    var length = Math.max(0, arguments.length - 1);
    var args = Array(length);
    for (var i = 0; i < length; i++) args[i] = arguments[i + 1];

    eventsApi(triggerApi, this._events, name, void 0, args);
    return this;
  };

  // Handles triggering the appropriate event callbacks.
  var triggerApi = function(objEvents, name, callback, args) {
    if (objEvents) {
      var events = objEvents[name];
      var allEvents = objEvents.all;
      if (events && allEvents) allEvents = allEvents.slice();
      if (events) triggerEvents(events, args);
      if (allEvents) triggerEvents(allEvents, [name].concat(args));
    }
    return objEvents;
  };

  // A difficult-to-believe, but optimized internal dispatch function for
  // triggering events. Tries to keep the usual cases speedy (most internal
  // Backbone events have 3 arguments).
  var triggerEvents = function(events, args) {
    var ev, i = -1, l = events.length, a1 = args[0], a2 = args[1], a3 = args[2];
    switch (args.length) {
      case 0: while (++i < l) (ev = events[i]).callback.call(ev.ctx); return;
      case 1: while (++i < l) (ev = events[i]).callback.call(ev.ctx, a1); return;
      case 2: while (++i < l) (ev = events[i]).callback.call(ev.ctx, a1, a2); return;
      case 3: while (++i < l) (ev = events[i]).callback.call(ev.ctx, a1, a2, a3); return;
      default: while (++i < l) (ev = events[i]).callback.apply(ev.ctx, args); return;
    }
  };

  // Aliases for backwards compatibility.
  Events.bind   = Events.on;
  Events.unbind = Events.off;

  // Allow the `Backbone` object to serve as a global event bus, for folks who
  // want global "pubsub" in a convenient place.
  _.extend(Backbone, Events);

  // Backbone.Model
  // --------------

  // Backbone **Models** are the basic data object in the framework --
  // frequently representing a row in a table in a database on your server.
  // A discrete chunk of data and a bunch of useful, related methods for
  // performing computations and transformations on that data.

  // Create a new model with the specified attributes. A client id (`cid`)
  // is automatically generated and assigned for you.
  var Model = Backbone.Model = function(attributes, options) {
    var attrs = attributes || {};
    options || (options = {});
    this.cid = _.uniqueId(this.cidPrefix);
    this.attributes = {};
    if (options.collection) this.collection = options.collection;
    if (options.parse) attrs = this.parse(attrs, options) || {};
    var defaults = _.result(this, 'defaults');
    attrs = _.defaults(_.extend({}, defaults, attrs), defaults);
    this.set(attrs, options);
    this.changed = {};
    this.initialize.apply(this, arguments);
  };

  // Attach all inheritable methods to the Model prototype.
  _.extend(Model.prototype, Events, {

    // A hash of attributes whose current and previous value differ.
    changed: null,

    // The value returned during the last failed validation.
    validationError: null,

    // The default name for the JSON `id` attribute is `"id"`. MongoDB and
    // CouchDB users may want to set this to `"_id"`.
    idAttribute: 'id',

    // The prefix is used to create the client id which is used to identify models locally.
    // You may want to override this if you're experiencing name clashes with model ids.
    cidPrefix: 'c',

    // Initialize is an empty function by default. Override it with your own
    // initialization logic.
    initialize: function(){},

    // Return a copy of the model's `attributes` object.
    toJSON: function(options) {
      return _.clone(this.attributes);
    },

    // Proxy `Backbone.sync` by default -- but override this if you need
    // custom syncing semantics for *this* particular model.
    sync: function() {
      return Backbone.sync.apply(this, arguments);
    },

    // Get the value of an attribute.
    get: function(attr) {
      return this.attributes[attr];
    },

    // Get the HTML-escaped value of an attribute.
    escape: function(attr) {
      return _.escape(this.get(attr));
    },

    // Returns `true` if the attribute contains a value that is not null
    // or undefined.
    has: function(attr) {
      return this.get(attr) != null;
    },

    // Special-cased proxy to underscore's `_.matches` method.
    matches: function(attrs) {
      return !!_.iteratee(attrs, this)(this.attributes);
    },

    // Set a hash of model attributes on the object, firing `"change"`. This is
    // the core primitive operation of a model, updating the data and notifying
    // anyone who needs to know about the change in state. The heart of the beast.
    set: function(key, val, options) {
      if (key == null) return this;

      // Handle both `"key", value` and `{key: value}` -style arguments.
      var attrs;
      if (typeof key === 'object') {
        attrs = key;
        options = val;
      } else {
        (attrs = {})[key] = val;
      }

      options || (options = {});

      // Run validation.
      if (!this._validate(attrs, options)) return false;

      // Extract attributes and options.
      var unset      = options.unset;
      var silent     = options.silent;
      var changes    = [];
      var changing   = this._changing;
      this._changing = true;

      if (!changing) {
        this._previousAttributes = _.clone(this.attributes);
        this.changed = {};
      }

      var current = this.attributes;
      var changed = this.changed;
      var prev    = this._previousAttributes;

      // For each `set` attribute, update or delete the current value.
      for (var attr in attrs) {
        val = attrs[attr];
        if (!_.isEqual(current[attr], val)) changes.push(attr);
        if (!_.isEqual(prev[attr], val)) {
          changed[attr] = val;
        } else {
          delete changed[attr];
        }
        unset ? delete current[attr] : current[attr] = val;
      }

      // Update the `id`.
      if (this.idAttribute in attrs) this.id = this.get(this.idAttribute);

      // Trigger all relevant attribute changes.
      if (!silent) {
        if (changes.length) this._pending = options;
        for (var i = 0; i < changes.length; i++) {
          this.trigger('change:' + changes[i], this, current[changes[i]], options);
        }
      }

      // You might be wondering why there's a `while` loop here. Changes can
      // be recursively nested within `"change"` events.
      if (changing) return this;
      if (!silent) {
        while (this._pending) {
          options = this._pending;
          this._pending = false;
          this.trigger('change', this, options);
        }
      }
      this._pending = false;
      this._changing = false;
      return this;
    },

    // Remove an attribute from the model, firing `"change"`. `unset` is a noop
    // if the attribute doesn't exist.
    unset: function(attr, options) {
      return this.set(attr, void 0, _.extend({}, options, {unset: true}));
    },

    // Clear all attributes on the model, firing `"change"`.
    clear: function(options) {
      var attrs = {};
      for (var key in this.attributes) attrs[key] = void 0;
      return this.set(attrs, _.extend({}, options, {unset: true}));
    },

    // Determine if the model has changed since the last `"change"` event.
    // If you specify an attribute name, determine if that attribute has changed.
    hasChanged: function(attr) {
      if (attr == null) return !_.isEmpty(this.changed);
      return _.has(this.changed, attr);
    },

    // Return an object containing all the attributes that have changed, or
    // false if there are no changed attributes. Useful for determining what
    // parts of a view need to be updated and/or what attributes need to be
    // persisted to the server. Unset attributes will be set to undefined.
    // You can also pass an attributes object to diff against the model,
    // determining if there *would be* a change.
    changedAttributes: function(diff) {
      if (!diff) return this.hasChanged() ? _.clone(this.changed) : false;
      var old = this._changing ? this._previousAttributes : this.attributes;
      var changed = {};
      for (var attr in diff) {
        var val = diff[attr];
        if (_.isEqual(old[attr], val)) continue;
        changed[attr] = val;
      }
      return _.size(changed) ? changed : false;
    },

    // Get the previous value of an attribute, recorded at the time the last
    // `"change"` event was fired.
    previous: function(attr) {
      if (attr == null || !this._previousAttributes) return null;
      return this._previousAttributes[attr];
    },

    // Get all of the attributes of the model at the time of the previous
    // `"change"` event.
    previousAttributes: function() {
      return _.clone(this._previousAttributes);
    },

    // Fetch the model from the server, merging the response with the model's
    // local attributes. Any changed attributes will trigger a "change" event.
    fetch: function(options) {
      options = _.extend({parse: true}, options);
      var model = this;
      var success = options.success;
      options.success = function(resp) {
        var serverAttrs = options.parse ? model.parse(resp, options) : resp;
        if (!model.set(serverAttrs, options)) return false;
        if (success) success.call(options.context, model, resp, options);
        model.trigger('sync', model, resp, options);
      };
      wrapError(this, options);
      return this.sync('read', this, options);
    },

    // Set a hash of model attributes, and sync the model to the server.
    // If the server returns an attributes hash that differs, the model's
    // state will be `set` again.
    save: function(key, val, options) {
      // Handle both `"key", value` and `{key: value}` -style arguments.
      var attrs;
      if (key == null || typeof key === 'object') {
        attrs = key;
        options = val;
      } else {
        (attrs = {})[key] = val;
      }

      options = _.extend({validate: true, parse: true}, options);
      var wait = options.wait;

      // If we're not waiting and attributes exist, save acts as
      // `set(attr).save(null, opts)` with validation. Otherwise, check if
      // the model will be valid when the attributes, if any, are set.
      if (attrs && !wait) {
        if (!this.set(attrs, options)) return false;
      } else if (!this._validate(attrs, options)) {
        return false;
      }

      // After a successful server-side save, the client is (optionally)
      // updated with the server-side state.
      var model = this;
      var success = options.success;
      var attributes = this.attributes;
      options.success = function(resp) {
        // Ensure attributes are restored during synchronous saves.
        model.attributes = attributes;
        var serverAttrs = options.parse ? model.parse(resp, options) : resp;
        if (wait) serverAttrs = _.extend({}, attrs, serverAttrs);
        if (serverAttrs && !model.set(serverAttrs, options)) return false;
        if (success) success.call(options.context, model, resp, options);
        model.trigger('sync', model, resp, options);
      };
      wrapError(this, options);

      // Set temporary attributes if `{wait: true}` to properly find new ids.
      if (attrs && wait) this.attributes = _.extend({}, attributes, attrs);

      var method = this.isNew() ? 'create' : (options.patch ? 'patch' : 'update');
      if (method === 'patch' && !options.attrs) options.attrs = attrs;
      var xhr = this.sync(method, this, options);

      // Restore attributes.
      this.attributes = attributes;

      return xhr;
    },

    // Destroy this model on the server if it was already persisted.
    // Optimistically removes the model from its collection, if it has one.
    // If `wait: true` is passed, waits for the server to respond before removal.
    destroy: function(options) {
      options = options ? _.clone(options) : {};
      var model = this;
      var success = options.success;
      var wait = options.wait;

      var destroy = function() {
        model.stopListening();
        model.trigger('destroy', model, model.collection, options);
      };

      options.success = function(resp) {
        if (wait) destroy();
        if (success) success.call(options.context, model, resp, options);
        if (!model.isNew()) model.trigger('sync', model, resp, options);
      };

      var xhr = false;
      if (this.isNew()) {
        _.defer(options.success);
      } else {
        wrapError(this, options);
        xhr = this.sync('delete', this, options);
      }
      if (!wait) destroy();
      return xhr;
    },

    // Default URL for the model's representation on the server -- if you're
    // using Backbone's restful methods, override this to change the endpoint
    // that will be called.
    url: function() {
      var base =
        _.result(this, 'urlRoot') ||
        _.result(this.collection, 'url') ||
        urlError();
      if (this.isNew()) return base;
      var id = this.get(this.idAttribute);
      return base.replace(/[^\/]$/, '$&/') + encodeURIComponent(id);
    },

    // **parse** converts a response into the hash of attributes to be `set` on
    // the model. The default implementation is just to pass the response along.
    parse: function(resp, options) {
      return resp;
    },

    // Create a new model with identical attributes to this one.
    clone: function() {
      return new this.constructor(this.attributes);
    },

    // A model is new if it has never been saved to the server, and lacks an id.
    isNew: function() {
      return !this.has(this.idAttribute);
    },

    // Check if the model is currently in a valid state.
    isValid: function(options) {
      return this._validate({}, _.extend({}, options, {validate: true}));
    },

    // Run validation against the next complete set of model attributes,
    // returning `true` if all is well. Otherwise, fire an `"invalid"` event.
    _validate: function(attrs, options) {
      if (!options.validate || !this.validate) return true;
      attrs = _.extend({}, this.attributes, attrs);
      var error = this.validationError = this.validate(attrs, options) || null;
      if (!error) return true;
      this.trigger('invalid', this, error, _.extend(options, {validationError: error}));
      return false;
    }

  });

  // Underscore methods that we want to implement on the Model, mapped to the
  // number of arguments they take.
  var modelMethods = {keys: 1, values: 1, pairs: 1, invert: 1, pick: 0,
      omit: 0, chain: 1, isEmpty: 1};

  // Mix in each Underscore method as a proxy to `Model#attributes`.
  addUnderscoreMethods(Model, modelMethods, 'attributes');

  // Backbone.Collection
  // -------------------

  // If models tend to represent a single row of data, a Backbone Collection is
  // more analogous to a table full of data ... or a small slice or page of that
  // table, or a collection of rows that belong together for a particular reason
  // -- all of the messages in this particular folder, all of the documents
  // belonging to this particular author, and so on. Collections maintain
  // indexes of their models, both in order, and for lookup by `id`.

  // Create a new **Collection**, perhaps to contain a specific type of `model`.
  // If a `comparator` is specified, the Collection will maintain
  // its models in sort order, as they're added and removed.
  var Collection = Backbone.Collection = function(models, options) {
    options || (options = {});
    if (options.model) this.model = options.model;
    if (options.comparator !== void 0) this.comparator = options.comparator;
    this._reset();
    this.initialize.apply(this, arguments);
    if (models) this.reset(models, _.extend({silent: true}, options));
  };

  // Default options for `Collection#set`.
  var setOptions = {add: true, remove: true, merge: true};
  var addOptions = {add: true, remove: false};

  // Splices `insert` into `array` at index `at`.
  var splice = function(array, insert, at) {
    at = Math.min(Math.max(at, 0), array.length);
    var tail = Array(array.length - at);
    var length = insert.length;
    var i;
    for (i = 0; i < tail.length; i++) tail[i] = array[i + at];
    for (i = 0; i < length; i++) array[i + at] = insert[i];
    for (i = 0; i < tail.length; i++) array[i + length + at] = tail[i];
  };

  // Define the Collection's inheritable methods.
  _.extend(Collection.prototype, Events, {

    // The default model for a collection is just a **Backbone.Model**.
    // This should be overridden in most cases.
    model: Model,

    // Initialize is an empty function by default. Override it with your own
    // initialization logic.
    initialize: function(){},

    // The JSON representation of a Collection is an array of the
    // models' attributes.
    toJSON: function(options) {
      return this.map(function(model) { return model.toJSON(options); });
    },

    // Proxy `Backbone.sync` by default.
    sync: function() {
      return Backbone.sync.apply(this, arguments);
    },

    // Add a model, or list of models to the set. `models` may be Backbone
    // Models or raw JavaScript objects to be converted to Models, or any
    // combination of the two.
    add: function(models, options) {
      return this.set(models, _.extend({merge: false}, options, addOptions));
    },

    // Remove a model, or a list of models from the set.
    remove: function(models, options) {
      options = _.extend({}, options);
      var singular = !_.isArray(models);
      models = singular ? [models] : models.slice();
      var removed = this._removeModels(models, options);
      if (!options.silent && removed.length) {
        options.changes = {added: [], merged: [], removed: removed};
        this.trigger('update', this, options);
      }
      return singular ? removed[0] : removed;
    },

    // Update a collection by `set`-ing a new list of models, adding new ones,
    // removing models that are no longer present, and merging models that
    // already exist in the collection, as necessary. Similar to **Model#set**,
    // the core operation for updating the data contained by the collection.
    set: function(models, options) {
      if (models == null) return;

      options = _.extend({}, setOptions, options);
      if (options.parse && !this._isModel(models)) {
        models = this.parse(models, options) || [];
      }

      var singular = !_.isArray(models);
      models = singular ? [models] : models.slice();

      var at = options.at;
      if (at != null) at = +at;
      if (at > this.length) at = this.length;
      if (at < 0) at += this.length + 1;

      var set = [];
      var toAdd = [];
      var toMerge = [];
      var toRemove = [];
      var modelMap = {};

      var add = options.add;
      var merge = options.merge;
      var remove = options.remove;

      var sort = false;
      var sortable = this.comparator && at == null && options.sort !== false;
      var sortAttr = _.isString(this.comparator) ? this.comparator : null;

      // Turn bare objects into model references, and prevent invalid models
      // from being added.
      var model, i;
      for (i = 0; i < models.length; i++) {
        model = models[i];

        // If a duplicate is found, prevent it from being added and
        // optionally merge it into the existing model.
        var existing = this.get(model);
        if (existing) {
          if (merge && model !== existing) {
            var attrs = this._isModel(model) ? model.attributes : model;
            if (options.parse) attrs = existing.parse(attrs, options);
            existing.set(attrs, options);
            toMerge.push(existing);
            if (sortable && !sort) sort = existing.hasChanged(sortAttr);
          }
          if (!modelMap[existing.cid]) {
            modelMap[existing.cid] = true;
            set.push(existing);
          }
          models[i] = existing;

        // If this is a new, valid model, push it to the `toAdd` list.
        } else if (add) {
          model = models[i] = this._prepareModel(model, options);
          if (model) {
            toAdd.push(model);
            this._addReference(model, options);
            modelMap[model.cid] = true;
            set.push(model);
          }
        }
      }

      // Remove stale models.
      if (remove) {
        for (i = 0; i < this.length; i++) {
          model = this.models[i];
          if (!modelMap[model.cid]) toRemove.push(model);
        }
        if (toRemove.length) this._removeModels(toRemove, options);
      }

      // See if sorting is needed, update `length` and splice in new models.
      var orderChanged = false;
      var replace = !sortable && add && remove;
      if (set.length && replace) {
        orderChanged = this.length !== set.length || _.some(this.models, function(m, index) {
          return m !== set[index];
        });
        this.models.length = 0;
        splice(this.models, set, 0);
        this.length = this.models.length;
      } else if (toAdd.length) {
        if (sortable) sort = true;
        splice(this.models, toAdd, at == null ? this.length : at);
        this.length = this.models.length;
      }

      // Silently sort the collection if appropriate.
      if (sort) this.sort({silent: true});

      // Unless silenced, it's time to fire all appropriate add/sort/update events.
      if (!options.silent) {
        for (i = 0; i < toAdd.length; i++) {
          if (at != null) options.index = at + i;
          model = toAdd[i];
          model.trigger('add', model, this, options);
        }
        if (sort || orderChanged) this.trigger('sort', this, options);
        if (toAdd.length || toRemove.length || toMerge.length) {
          options.changes = {
            added: toAdd,
            removed: toRemove,
            merged: toMerge
          };
          this.trigger('update', this, options);
        }
      }

      // Return the added (or merged) model (or models).
      return singular ? models[0] : models;
    },

    // When you have more items than you want to add or remove individually,
    // you can reset the entire set with a new list of models, without firing
    // any granular `add` or `remove` events. Fires `reset` when finished.
    // Useful for bulk operations and optimizations.
    reset: function(models, options) {
      options = options ? _.clone(options) : {};
      for (var i = 0; i < this.models.length; i++) {
        this._removeReference(this.models[i], options);
      }
      options.previousModels = this.models;
      this._reset();
      models = this.add(models, _.extend({silent: true}, options));
      if (!options.silent) this.trigger('reset', this, options);
      return models;
    },

    // Add a model to the end of the collection.
    push: function(model, options) {
      return this.add(model, _.extend({at: this.length}, options));
    },

    // Remove a model from the end of the collection.
    pop: function(options) {
      var model = this.at(this.length - 1);
      return this.remove(model, options);
    },

    // Add a model to the beginning of the collection.
    unshift: function(model, options) {
      return this.add(model, _.extend({at: 0}, options));
    },

    // Remove a model from the beginning of the collection.
    shift: function(options) {
      var model = this.at(0);
      return this.remove(model, options);
    },

    // Slice out a sub-array of models from the collection.
    slice: function() {
      return slice.apply(this.models, arguments);
    },

    // Get a model from the set by id, cid, model object with id or cid
    // properties, or an attributes object that is transformed through modelId.
    get: function(obj) {
      if (obj == null) return void 0;
      return this._byId[obj] ||
        this._byId[this.modelId(obj.attributes || obj)] ||
        obj.cid && this._byId[obj.cid];
    },

    // Returns `true` if the model is in the collection.
    has: function(obj) {
      return this.get(obj) != null;
    },

    // Get the model at the given index.
    at: function(index) {
      if (index < 0) index += this.length;
      return this.models[index];
    },

    // Return models with matching attributes. Useful for simple cases of
    // `filter`.
    where: function(attrs, first) {
      return this[first ? 'find' : 'filter'](attrs);
    },

    // Return the first model with matching attributes. Useful for simple cases
    // of `find`.
    findWhere: function(attrs) {
      return this.where(attrs, true);
    },

    // Force the collection to re-sort itself. You don't need to call this under
    // normal circumstances, as the set will maintain sort order as each item
    // is added.
    sort: function(options) {
      var comparator = this.comparator;
      if (!comparator) throw new Error('Cannot sort a set without a comparator');
      options || (options = {});

      var length = comparator.length;
      if (_.isFunction(comparator)) comparator = _.bind(comparator, this);

      // Run sort based on type of `comparator`.
      if (length === 1 || _.isString(comparator)) {
        this.models = this.sortBy(comparator);
      } else {
        this.models.sort(comparator);
      }
      if (!options.silent) this.trigger('sort', this, options);
      return this;
    },

    // Pluck an attribute from each model in the collection.
    pluck: function(attr) {
      return this.map(attr + '');
    },

    // Fetch the default set of models for this collection, resetting the
    // collection when they arrive. If `reset: true` is passed, the response
    // data will be passed through the `reset` method instead of `set`.
    fetch: function(options) {
      options = _.extend({parse: true}, options);
      var success = options.success;
      var collection = this;
      options.success = function(resp) {
        var method = options.reset ? 'reset' : 'set';
        collection[method](resp, options);
        if (success) success.call(options.context, collection, resp, options);
        collection.trigger('sync', collection, resp, options);
      };
      wrapError(this, options);
      return this.sync('read', this, options);
    },

    // Create a new instance of a model in this collection. Add the model to the
    // collection immediately, unless `wait: true` is passed, in which case we
    // wait for the server to agree.
    create: function(model, options) {
      options = options ? _.clone(options) : {};
      var wait = options.wait;
      model = this._prepareModel(model, options);
      if (!model) return false;
      if (!wait) this.add(model, options);
      var collection = this;
      var success = options.success;
      options.success = function(m, resp, callbackOpts) {
        if (wait) collection.add(m, callbackOpts);
        if (success) success.call(callbackOpts.context, m, resp, callbackOpts);
      };
      model.save(null, options);
      return model;
    },

    // **parse** converts a response into a list of models to be added to the
    // collection. The default implementation is just to pass it through.
    parse: function(resp, options) {
      return resp;
    },

    // Create a new collection with an identical list of models as this one.
    clone: function() {
      return new this.constructor(this.models, {
        model: this.model,
        comparator: this.comparator
      });
    },

    // Define how to uniquely identify models in the collection.
    modelId: function(attrs) {
      return attrs[this.model.prototype.idAttribute || 'id'];
    },

    // Private method to reset all internal state. Called when the collection
    // is first initialized or reset.
    _reset: function() {
      this.length = 0;
      this.models = [];
      this._byId  = {};
    },

    // Prepare a hash of attributes (or other model) to be added to this
    // collection.
    _prepareModel: function(attrs, options) {
      if (this._isModel(attrs)) {
        if (!attrs.collection) attrs.collection = this;
        return attrs;
      }
      options = options ? _.clone(options) : {};
      options.collection = this;
      var model = new this.model(attrs, options);
      if (!model.validationError) return model;
      this.trigger('invalid', this, model.validationError, options);
      return false;
    },

    // Internal method called by both remove and set.
    _removeModels: function(models, options) {
      var removed = [];
      for (var i = 0; i < models.length; i++) {
        var model = this.get(models[i]);
        if (!model) continue;

        var index = this.indexOf(model);
        this.models.splice(index, 1);
        this.length--;

        // Remove references before triggering 'remove' event to prevent an
        // infinite loop. #3693
        delete this._byId[model.cid];
        var id = this.modelId(model.attributes);
        if (id != null) delete this._byId[id];

        if (!options.silent) {
          options.index = index;
          model.trigger('remove', model, this, options);
        }

        removed.push(model);
        this._removeReference(model, options);
      }
      return removed;
    },

    // Method for checking whether an object should be considered a model for
    // the purposes of adding to the collection.
    _isModel: function(model) {
      return model instanceof Model;
    },

    // Internal method to create a model's ties to a collection.
    _addReference: function(model, options) {
      this._byId[model.cid] = model;
      var id = this.modelId(model.attributes);
      if (id != null) this._byId[id] = model;
      model.on('all', this._onModelEvent, this);
    },

    // Internal method to sever a model's ties to a collection.
    _removeReference: function(model, options) {
      delete this._byId[model.cid];
      var id = this.modelId(model.attributes);
      if (id != null) delete this._byId[id];
      if (this === model.collection) delete model.collection;
      model.off('all', this._onModelEvent, this);
    },

    // Internal method called every time a model in the set fires an event.
    // Sets need to update their indexes when models change ids. All other
    // events simply proxy through. "add" and "remove" events that originate
    // in other collections are ignored.
    _onModelEvent: function(event, model, collection, options) {
      if (model) {
        if ((event === 'add' || event === 'remove') && collection !== this) return;
        if (event === 'destroy') this.remove(model, options);
        if (event === 'change') {
          var prevId = this.modelId(model.previousAttributes());
          var id = this.modelId(model.attributes);
          if (prevId !== id) {
            if (prevId != null) delete this._byId[prevId];
            if (id != null) this._byId[id] = model;
          }
        }
      }
      this.trigger.apply(this, arguments);
    }

  });

  // Underscore methods that we want to implement on the Collection.
  // 90% of the core usefulness of Backbone Collections is actually implemented
  // right here:
  var collectionMethods = {forEach: 3, each: 3, map: 3, collect: 3, reduce: 0,
      foldl: 0, inject: 0, reduceRight: 0, foldr: 0, find: 3, detect: 3, filter: 3,
      select: 3, reject: 3, every: 3, all: 3, some: 3, any: 3, include: 3, includes: 3,
      contains: 3, invoke: 0, max: 3, min: 3, toArray: 1, size: 1, first: 3,
      head: 3, take: 3, initial: 3, rest: 3, tail: 3, drop: 3, last: 3,
      without: 0, difference: 0, indexOf: 3, shuffle: 1, lastIndexOf: 3,
      isEmpty: 1, chain: 1, sample: 3, partition: 3, groupBy: 3, countBy: 3,
      sortBy: 3, indexBy: 3, findIndex: 3, findLastIndex: 3};

  // Mix in each Underscore method as a proxy to `Collection#models`.
  addUnderscoreMethods(Collection, collectionMethods, 'models');

  // Backbone.View
  // -------------

  // Backbone Views are almost more convention than they are actual code. A View
  // is simply a JavaScript object that represents a logical chunk of UI in the
  // DOM. This might be a single item, an entire list, a sidebar or panel, or
  // even the surrounding frame which wraps your whole app. Defining a chunk of
  // UI as a **View** allows you to define your DOM events declaratively, without
  // having to worry about render order ... and makes it easy for the view to
  // react to specific changes in the state of your models.

  // Creating a Backbone.View creates its initial element outside of the DOM,
  // if an existing element is not provided...
  var View = Backbone.View = function(options) {
    this.cid = _.uniqueId('view');
    _.extend(this, _.pick(options, viewOptions));
    this._ensureElement();
    this.initialize.apply(this, arguments);
  };

  // Cached regex to split keys for `delegate`.
  var delegateEventSplitter = /^(\S+)\s*(.*)$/;

  // List of view options to be set as properties.
  var viewOptions = ['model', 'collection', 'el', 'id', 'attributes', 'className', 'tagName', 'events'];

  // Set up all inheritable **Backbone.View** properties and methods.
  _.extend(View.prototype, Events, {

    // The default `tagName` of a View's element is `"div"`.
    tagName: 'div',

    // jQuery delegate for element lookup, scoped to DOM elements within the
    // current view. This should be preferred to global lookups where possible.
    $: function(selector) {
      return this.$el.find(selector);
    },

    // Initialize is an empty function by default. Override it with your own
    // initialization logic.
    initialize: function(){},

    // **render** is the core function that your view should override, in order
    // to populate its element (`this.el`), with the appropriate HTML. The
    // convention is for **render** to always return `this`.
    render: function() {
      return this;
    },

    // Remove this view by taking the element out of the DOM, and removing any
    // applicable Backbone.Events listeners.
    remove: function() {
      this._removeElement();
      this.stopListening();
      return this;
    },

    // Remove this view's element from the document and all event listeners
    // attached to it. Exposed for subclasses using an alternative DOM
    // manipulation API.
    _removeElement: function() {
      this.$el.remove();
    },

    // Change the view's element (`this.el` property) and re-delegate the
    // view's events on the new element.
    setElement: function(element) {
      this.undelegateEvents();
      this._setElement(element);
      this.delegateEvents();
      return this;
    },

    // Creates the `this.el` and `this.$el` references for this view using the
    // given `el`. `el` can be a CSS selector or an HTML string, a jQuery
    // context or an element. Subclasses can override this to utilize an
    // alternative DOM manipulation API and are only required to set the
    // `this.el` property.
    _setElement: function(el) {
      this.$el = el instanceof Backbone.$ ? el : Backbone.$(el);
      this.el = this.$el[0];
    },

    // Set callbacks, where `this.events` is a hash of
    //
    // *{"event selector": "callback"}*
    //
    //     {
    //       'mousedown .title':  'edit',
    //       'click .button':     'save',
    //       'click .open':       function(e) { ... }
    //     }
    //
    // pairs. Callbacks will be bound to the view, with `this` set properly.
    // Uses event delegation for efficiency.
    // Omitting the selector binds the event to `this.el`.
    delegateEvents: function(events) {
      events || (events = _.result(this, 'events'));
      if (!events) return this;
      this.undelegateEvents();
      for (var key in events) {
        var method = events[key];
        if (!_.isFunction(method)) method = this[method];
        if (!method) continue;
        var match = key.match(delegateEventSplitter);
        this.delegate(match[1], match[2], _.bind(method, this));
      }
      return this;
    },

    // Add a single event listener to the view's element (or a child element
    // using `selector`). This only works for delegate-able events: not `focus`,
    // `blur`, and not `change`, `submit`, and `reset` in Internet Explorer.
    delegate: function(eventName, selector, listener) {
      this.$el.on(eventName + '.delegateEvents' + this.cid, selector, listener);
      return this;
    },

    // Clears all callbacks previously bound to the view by `delegateEvents`.
    // You usually don't need to use this, but may wish to if you have multiple
    // Backbone views attached to the same DOM element.
    undelegateEvents: function() {
      if (this.$el) this.$el.off('.delegateEvents' + this.cid);
      return this;
    },

    // A finer-grained `undelegateEvents` for removing a single delegated event.
    // `selector` and `listener` are both optional.
    undelegate: function(eventName, selector, listener) {
      this.$el.off(eventName + '.delegateEvents' + this.cid, selector, listener);
      return this;
    },

    // Produces a DOM element to be assigned to your view. Exposed for
    // subclasses using an alternative DOM manipulation API.
    _createElement: function(tagName) {
      return document.createElement(tagName);
    },

    // Ensure that the View has a DOM element to render into.
    // If `this.el` is a string, pass it through `$()`, take the first
    // matching element, and re-assign it to `el`. Otherwise, create
    // an element from the `id`, `className` and `tagName` properties.
    _ensureElement: function() {
      if (!this.el) {
        var attrs = _.extend({}, _.result(this, 'attributes'));
        if (this.id) attrs.id = _.result(this, 'id');
        if (this.className) attrs['class'] = _.result(this, 'className');
        this.setElement(this._createElement(_.result(this, 'tagName')));
        this._setAttributes(attrs);
      } else {
        this.setElement(_.result(this, 'el'));
      }
    },

    // Set attributes from a hash on this view's element.  Exposed for
    // subclasses using an alternative DOM manipulation API.
    _setAttributes: function(attributes) {
      this.$el.attr(attributes);
    }

  });

  // Backbone.sync
  // -------------

  // Override this function to change the manner in which Backbone persists
  // models to the server. You will be passed the type of request, and the
  // model in question. By default, makes a RESTful Ajax request
  // to the model's `url()`. Some possible customizations could be:
  //
  // * Use `setTimeout` to batch rapid-fire updates into a single request.
  // * Send up the models as XML instead of JSON.
  // * Persist models via WebSockets instead of Ajax.
  //
  // Turn on `Backbone.emulateHTTP` in order to send `PUT` and `DELETE` requests
  // as `POST`, with a `_method` parameter containing the true HTTP method,
  // as well as all requests with the body as `application/x-www-form-urlencoded`
  // instead of `application/json` with the model in a param named `model`.
  // Useful when interfacing with server-side languages like **PHP** that make
  // it difficult to read the body of `PUT` requests.
  Backbone.sync = function(method, model, options) {
    var type = methodMap[method];

    // Default options, unless specified.
    _.defaults(options || (options = {}), {
      emulateHTTP: Backbone.emulateHTTP,
      emulateJSON: Backbone.emulateJSON
    });

    // Default JSON-request options.
    var params = {type: type, dataType: 'json'};

    // Ensure that we have a URL.
    if (!options.url) {
      params.url = _.result(model, 'url') || urlError();
    }

    // Ensure that we have the appropriate request data.
    if (options.data == null && model && (method === 'create' || method === 'update' || method === 'patch')) {
      params.contentType = 'application/json';
      params.data = JSON.stringify(options.attrs || model.toJSON(options));
    }

    // For older servers, emulate JSON by encoding the request into an HTML-form.
    if (options.emulateJSON) {
      params.contentType = 'application/x-www-form-urlencoded';
      params.data = params.data ? {model: params.data} : {};
    }

    // For older servers, emulate HTTP by mimicking the HTTP method with `_method`
    // And an `X-HTTP-Method-Override` header.
    if (options.emulateHTTP && (type === 'PUT' || type === 'DELETE' || type === 'PATCH')) {
      params.type = 'POST';
      if (options.emulateJSON) params.data._method = type;
      var beforeSend = options.beforeSend;
      options.beforeSend = function(xhr) {
        xhr.setRequestHeader('X-HTTP-Method-Override', type);
        if (beforeSend) return beforeSend.apply(this, arguments);
      };
    }

    // Don't process data on a non-GET request.
    if (params.type !== 'GET' && !options.emulateJSON) {
      params.processData = false;
    }

    // Pass along `textStatus` and `errorThrown` from jQuery.
    var error = options.error;
    options.error = function(xhr, textStatus, errorThrown) {
      options.textStatus = textStatus;
      options.errorThrown = errorThrown;
      if (error) error.call(options.context, xhr, textStatus, errorThrown);
    };

    // Make the request, allowing the user to override any Ajax options.
    var xhr = options.xhr = Backbone.ajax(_.extend(params, options));
    model.trigger('request', model, xhr, options);
    return xhr;
  };

  // Map from CRUD to HTTP for our default `Backbone.sync` implementation.
  var methodMap = {
    'create': 'POST',
    'update': 'PUT',
    'patch': 'PATCH',
    'delete': 'DELETE',
    'read': 'GET'
  };

  // Set the default implementation of `Backbone.ajax` to proxy through to `$`.
  // Override this if you'd like to use a different library.
  Backbone.ajax = function() {
    return Backbone.$.ajax.apply(Backbone.$, arguments);
  };

  // Backbone.Router
  // ---------------

  // Routers map faux-URLs to actions, and fire events when routes are
  // matched. Creating a new one sets its `routes` hash, if not set statically.
  var Router = Backbone.Router = function(options) {
    options || (options = {});
    if (options.routes) this.routes = options.routes;
    this._bindRoutes();
    this.initialize.apply(this, arguments);
  };

  // Cached regular expressions for matching named param parts and splatted
  // parts of route strings.
  var optionalParam = /\((.*?)\)/g;
  var namedParam    = /(\(\?)?:\w+/g;
  var splatParam    = /\*\w+/g;
  var escapeRegExp  = /[\-{}\[\]+?.,\\\^$|#\s]/g;

  // Set up all inheritable **Backbone.Router** properties and methods.
  _.extend(Router.prototype, Events, {

    // Initialize is an empty function by default. Override it with your own
    // initialization logic.
    initialize: function(){},

    // Manually bind a single named route to a callback. For example:
    //
    //     this.route('search/:query/p:num', 'search', function(query, num) {
    //       ...
    //     });
    //
    route: function(route, name, callback) {
      if (!_.isRegExp(route)) route = this._routeToRegExp(route);
      if (_.isFunction(name)) {
        callback = name;
        name = '';
      }
      if (!callback) callback = this[name];
      var router = this;
      Backbone.history.route(route, function(fragment) {
        var args = router._extractParameters(route, fragment);
        if (router.execute(callback, args, name) !== false) {
          router.trigger.apply(router, ['route:' + name].concat(args));
          router.trigger('route', name, args);
          Backbone.history.trigger('route', router, name, args);
        }
      });
      return this;
    },

    // Execute a route handler with the provided parameters.  This is an
    // excellent place to do pre-route setup or post-route cleanup.
    execute: function(callback, args, name) {
      if (callback) callback.apply(this, args);
    },

    // Simple proxy to `Backbone.history` to save a fragment into the history.
    navigate: function(fragment, options) {
      Backbone.history.navigate(fragment, options);
      return this;
    },

    // Bind all defined routes to `Backbone.history`. We have to reverse the
    // order of the routes here to support behavior where the most general
    // routes can be defined at the bottom of the route map.
    _bindRoutes: function() {
      if (!this.routes) return;
      this.routes = _.result(this, 'routes');
      var route, routes = _.keys(this.routes);
      while ((route = routes.pop()) != null) {
        this.route(route, this.routes[route]);
      }
    },

    // Convert a route string into a regular expression, suitable for matching
    // against the current location hash.
    _routeToRegExp: function(route) {
      route = route.replace(escapeRegExp, '\\$&')
                   .replace(optionalParam, '(?:$1)?')
                   .replace(namedParam, function(match, optional) {
                     return optional ? match : '([^/?]+)';
                   })
                   .replace(splatParam, '([^?]*?)');
      return new RegExp('^' + route + '(?:\\?([\\s\\S]*))?$');
    },

    // Given a route, and a URL fragment that it matches, return the array of
    // extracted decoded parameters. Empty or unmatched parameters will be
    // treated as `null` to normalize cross-browser behavior.
    _extractParameters: function(route, fragment) {
      var params = route.exec(fragment).slice(1);
      return _.map(params, function(param, i) {
        // Don't decode the search params.
        if (i === params.length - 1) return param || null;
        return param ? decodeURIComponent(param) : null;
      });
    }

  });

  // Backbone.History
  // ----------------

  // Handles cross-browser history management, based on either
  // [pushState](http://diveintohtml5.info/history.html) and real URLs, or
  // [onhashchange](https://developer.mozilla.org/en-US/docs/DOM/window.onhashchange)
  // and URL fragments. If the browser supports neither (old IE, natch),
  // falls back to polling.
  var History = Backbone.History = function() {
    this.handlers = [];
    this.checkUrl = _.bind(this.checkUrl, this);

    // Ensure that `History` can be used outside of the browser.
    if (typeof window !== 'undefined') {
      this.location = window.location;
      this.history = window.history;
    }
  };

  // Cached regex for stripping a leading hash/slash and trailing space.
  var routeStripper = /^[#\/]|\s+$/g;

  // Cached regex for stripping leading and trailing slashes.
  var rootStripper = /^\/+|\/+$/g;

  // Cached regex for stripping urls of hash.
  var pathStripper = /#.*$/;

  // Has the history handling already been started?
  History.started = false;

  // Set up all inheritable **Backbone.History** properties and methods.
  _.extend(History.prototype, Events, {

    // The default interval to poll for hash changes, if necessary, is
    // twenty times a second.
    interval: 50,

    // Are we at the app root?
    atRoot: function() {
      var path = this.location.pathname.replace(/[^\/]$/, '$&/');
      return path === this.root && !this.getSearch();
    },

    // Does the pathname match the root?
    matchRoot: function() {
      var path = this.decodeFragment(this.location.pathname);
      var rootPath = path.slice(0, this.root.length - 1) + '/';
      return rootPath === this.root;
    },

    // Unicode characters in `location.pathname` are percent encoded so they're
    // decoded for comparison. `%25` should not be decoded since it may be part
    // of an encoded parameter.
    decodeFragment: function(fragment) {
      return decodeURI(fragment.replace(/%25/g, '%2525'));
    },

    // In IE6, the hash fragment and search params are incorrect if the
    // fragment contains `?`.
    getSearch: function() {
      var match = this.location.href.replace(/#.*/, '').match(/\?.+/);
      return match ? match[0] : '';
    },

    // Gets the true hash value. Cannot use location.hash directly due to bug
    // in Firefox where location.hash will always be decoded.
    getHash: function(window) {
      var match = (window || this).location.href.match(/#(.*)$/);
      return match ? match[1] : '';
    },

    // Get the pathname and search params, without the root.
    getPath: function() {
      var path = this.decodeFragment(
        this.location.pathname + this.getSearch()
      ).slice(this.root.length - 1);
      return path.charAt(0) === '/' ? path.slice(1) : path;
    },

    // Get the cross-browser normalized URL fragment from the path or hash.
    getFragment: function(fragment) {
      if (fragment == null) {
        if (this._usePushState || !this._wantsHashChange) {
          fragment = this.getPath();
        } else {
          fragment = this.getHash();
        }
      }
      return fragment.replace(routeStripper, '');
    },

    // Start the hash change handling, returning `true` if the current URL matches
    // an existing route, and `false` otherwise.
    start: function(options) {
      if (History.started) throw new Error('Backbone.history has already been started');
      History.started = true;

      // Figure out the initial configuration. Do we need an iframe?
      // Is pushState desired ... is it available?
      this.options          = _.extend({root: '/'}, this.options, options);
      this.root             = this.options.root;
      this._wantsHashChange = this.options.hashChange !== false;
      this._hasHashChange   = 'onhashchange' in window && (document.documentMode === void 0 || document.documentMode > 7);
      this._useHashChange   = this._wantsHashChange && this._hasHashChange;
      this._wantsPushState  = !!this.options.pushState;
      this._hasPushState    = !!(this.history && this.history.pushState);
      this._usePushState    = this._wantsPushState && this._hasPushState;
      this.fragment         = this.getFragment();

      // Normalize root to always include a leading and trailing slash.
      this.root = ('/' + this.root + '/').replace(rootStripper, '/');

      // Transition from hashChange to pushState or vice versa if both are
      // requested.
      if (this._wantsHashChange && this._wantsPushState) {

        // If we've started off with a route from a `pushState`-enabled
        // browser, but we're currently in a browser that doesn't support it...
        if (!this._hasPushState && !this.atRoot()) {
          var rootPath = this.root.slice(0, -1) || '/';
          this.location.replace(rootPath + '#' + this.getPath());
          // Return immediately as browser will do redirect to new url
          return true;

        // Or if we've started out with a hash-based route, but we're currently
        // in a browser where it could be `pushState`-based instead...
        } else if (this._hasPushState && this.atRoot()) {
          this.navigate(this.getHash(), {replace: true});
        }

      }

      // Proxy an iframe to handle location events if the browser doesn't
      // support the `hashchange` event, HTML5 history, or the user wants
      // `hashChange` but not `pushState`.
      if (!this._hasHashChange && this._wantsHashChange && !this._usePushState) {
        this.iframe = document.createElement('iframe');
        this.iframe.src = 'javascript:0';
        this.iframe.style.display = 'none';
        this.iframe.tabIndex = -1;
        var body = document.body;
        // Using `appendChild` will throw on IE < 9 if the document is not ready.
        var iWindow = body.insertBefore(this.iframe, body.firstChild).contentWindow;
        iWindow.document.open();
        iWindow.document.close();
        iWindow.location.hash = '#' + this.fragment;
      }

      // Add a cross-platform `addEventListener` shim for older browsers.
      var addEventListener = window.addEventListener || function(eventName, listener) {
        return attachEvent('on' + eventName, listener);
      };

      // Depending on whether we're using pushState or hashes, and whether
      // 'onhashchange' is supported, determine how we check the URL state.
      if (this._usePushState) {
        addEventListener('popstate', this.checkUrl, false);
      } else if (this._useHashChange && !this.iframe) {
        addEventListener('hashchange', this.checkUrl, false);
      } else if (this._wantsHashChange) {
        this._checkUrlInterval = setInterval(this.checkUrl, this.interval);
      }

      if (!this.options.silent) return this.loadUrl();
    },

    // Disable Backbone.history, perhaps temporarily. Not useful in a real app,
    // but possibly useful for unit testing Routers.
    stop: function() {
      // Add a cross-platform `removeEventListener` shim for older browsers.
      var removeEventListener = window.removeEventListener || function(eventName, listener) {
        return detachEvent('on' + eventName, listener);
      };

      // Remove window listeners.
      if (this._usePushState) {
        removeEventListener('popstate', this.checkUrl, false);
      } else if (this._useHashChange && !this.iframe) {
        removeEventListener('hashchange', this.checkUrl, false);
      }

      // Clean up the iframe if necessary.
      if (this.iframe) {
        document.body.removeChild(this.iframe);
        this.iframe = null;
      }

      // Some environments will throw when clearing an undefined interval.
      if (this._checkUrlInterval) clearInterval(this._checkUrlInterval);
      History.started = false;
    },

    // Add a route to be tested when the fragment changes. Routes added later
    // may override previous routes.
    route: function(route, callback) {
      this.handlers.unshift({route: route, callback: callback});
    },

    // Checks the current URL to see if it has changed, and if it has,
    // calls `loadUrl`, normalizing across the hidden iframe.
    checkUrl: function(e) {
      var current = this.getFragment();

      // If the user pressed the back button, the iframe's hash will have
      // changed and we should use that for comparison.
      if (current === this.fragment && this.iframe) {
        current = this.getHash(this.iframe.contentWindow);
      }

      if (current === this.fragment) return false;
      if (this.iframe) this.navigate(current);
      this.loadUrl();
    },

    // Attempt to load the current URL fragment. If a route succeeds with a
    // match, returns `true`. If no defined routes matches the fragment,
    // returns `false`.
    loadUrl: function(fragment) {
      // If the root doesn't match, no routes can match either.
      if (!this.matchRoot()) return false;
      fragment = this.fragment = this.getFragment(fragment);
      return _.some(this.handlers, function(handler) {
        if (handler.route.test(fragment)) {
          handler.callback(fragment);
          return true;
        }
      });
    },

    // Save a fragment into the hash history, or replace the URL state if the
    // 'replace' option is passed. You are responsible for properly URL-encoding
    // the fragment in advance.
    //
    // The options object can contain `trigger: true` if you wish to have the
    // route callback be fired (not usually desirable), or `replace: true`, if
    // you wish to modify the current URL without adding an entry to the history.
    navigate: function(fragment, options) {
      if (!History.started) return false;
      if (!options || options === true) options = {trigger: !!options};

      // Normalize the fragment.
      fragment = this.getFragment(fragment || '');

      // Don't include a trailing slash on the root.
      var rootPath = this.root;
      if (fragment === '' || fragment.charAt(0) === '?') {
        rootPath = rootPath.slice(0, -1) || '/';
      }
      var url = rootPath + fragment;

      // Strip the hash and decode for matching.
      fragment = this.decodeFragment(fragment.replace(pathStripper, ''));

      if (this.fragment === fragment) return;
      this.fragment = fragment;

      // If pushState is available, we use it to set the fragment as a real URL.
      if (this._usePushState) {
        this.history[options.replace ? 'replaceState' : 'pushState']({}, document.title, url);

      // If hash changes haven't been explicitly disabled, update the hash
      // fragment to store history.
      } else if (this._wantsHashChange) {
        this._updateHash(this.location, fragment, options.replace);
        if (this.iframe && fragment !== this.getHash(this.iframe.contentWindow)) {
          var iWindow = this.iframe.contentWindow;

          // Opening and closing the iframe tricks IE7 and earlier to push a
          // history entry on hash-tag change.  When replace is true, we don't
          // want this.
          if (!options.replace) {
            iWindow.document.open();
            iWindow.document.close();
          }

          this._updateHash(iWindow.location, fragment, options.replace);
        }

      // If you've told us that you explicitly don't want fallback hashchange-
      // based history, then `navigate` becomes a page refresh.
      } else {
        return this.location.assign(url);
      }
      if (options.trigger) return this.loadUrl(fragment);
    },

    // Update the hash location, either replacing the current entry, or adding
    // a new one to the browser history.
    _updateHash: function(location, fragment, replace) {
      if (replace) {
        var href = location.href.replace(/(javascript:|#).*$/, '');
        location.replace(href + '#' + fragment);
      } else {
        // Some browsers require that `hash` contains a leading #.
        location.hash = '#' + fragment;
      }
    }

  });

  // Create the default Backbone.history.
  Backbone.history = new History;

  // Helpers
  // -------

  // Helper function to correctly set up the prototype chain for subclasses.
  // Similar to `goog.inherits`, but uses a hash of prototype properties and
  // class properties to be extended.
  var extend = function(protoProps, staticProps) {
    var parent = this;
    var child;

    // The constructor function for the new subclass is either defined by you
    // (the "constructor" property in your `extend` definition), or defaulted
    // by us to simply call the parent constructor.
    if (protoProps && _.has(protoProps, 'constructor')) {
      child = protoProps.constructor;
    } else {
      child = function(){ return parent.apply(this, arguments); };
    }

    // Add static properties to the constructor function, if supplied.
    _.extend(child, parent, staticProps);

    // Set the prototype chain to inherit from `parent`, without calling
    // `parent`'s constructor function and add the prototype properties.
    child.prototype = _.create(parent.prototype, protoProps);
    child.prototype.constructor = child;

    // Set a convenience property in case the parent's prototype is needed
    // later.
    child.__super__ = parent.prototype;

    return child;
  };

  // Set up inheritance for the model, collection, router, view and history.
  Model.extend = Collection.extend = Router.extend = View.extend = History.extend = extend;

  // Throw an error when a URL is needed, and none is supplied.
  var urlError = function() {
    throw new Error('A "url" property or function must be specified');
  };

  // Wrap an optional error callback with a fallback error event.
  var wrapError = function(model, options) {
    var error = options.error;
    options.error = function(resp) {
      if (error) error.call(options.context, model, resp, options);
      model.trigger('error', model, resp, options);
    };
  };

  return Backbone;
});

/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(/*! ./../webpack/buildin/global.js */ "./node_modules/webpack/buildin/global.js")))

/***/ }),

/***/ "./node_modules/bootstrap.native/dist/bootstrap-native-v4.js":
/*!*******************************************************************!*\
  !*** ./node_modules/bootstrap.native/dist/bootstrap-native-v4.js ***!
  \*******************************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

/* WEBPACK VAR INJECTION */(function(global) {var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;// Native Javascript for Bootstrap 4 v2.0.23 | © dnp_theme | MIT-License
(function (root, factory) {
  if (true) {
    // AMD support:
    !(__WEBPACK_AMD_DEFINE_ARRAY__ = [], __WEBPACK_AMD_DEFINE_FACTORY__ = (factory),
				__WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ?
				(__WEBPACK_AMD_DEFINE_FACTORY__.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__)) : __WEBPACK_AMD_DEFINE_FACTORY__),
				__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
  } else { var bsn; }
}(this, function () {
  
  /* Native Javascript for Bootstrap 4 | Internal Utility Functions
  ----------------------------------------------------------------*/
  "use strict";
  
  // globals
  var globalObject = typeof global !== 'undefined' ? global : this||window,
    DOC = document, HTML = DOC.documentElement, body = 'body', // allow the library to be used in <head>
  
    // Native Javascript for Bootstrap Global Object
    BSN = globalObject.BSN = {},
    supports = BSN.supports = [],
  
    // function toggle attributes
    dataToggle    = 'data-toggle',
    dataDismiss   = 'data-dismiss',
    dataSpy       = 'data-spy',
    dataRide      = 'data-ride',
  
    // components
    stringAlert     = 'Alert',
    stringButton    = 'Button',
    stringCarousel  = 'Carousel',
    stringCollapse  = 'Collapse',
    stringDropdown  = 'Dropdown',
    stringModal     = 'Modal',
    stringPopover   = 'Popover',
    stringScrollSpy = 'ScrollSpy',
    stringTab       = 'Tab',
    stringTooltip   = 'Tooltip',
  
    // options DATA API
    databackdrop      = 'data-backdrop',
    dataKeyboard      = 'data-keyboard',
    dataTarget        = 'data-target',
    dataInterval      = 'data-interval',
    dataHeight        = 'data-height',
    dataPause         = 'data-pause',
    dataTitle         = 'data-title',
    dataOriginalTitle = 'data-original-title',
    dataOriginalText  = 'data-original-text',
    dataDismissible   = 'data-dismissible',
    dataTrigger       = 'data-trigger',
    dataAnimation     = 'data-animation',
    dataContainer     = 'data-container',
    dataPlacement     = 'data-placement',
    dataDelay         = 'data-delay',
    dataOffsetTop     = 'data-offset-top',
    dataOffsetBottom  = 'data-offset-bottom',
  
    // option keys
    backdrop = 'backdrop', keyboard = 'keyboard', delay = 'delay',
    content = 'content', target = 'target',
    interval = 'interval', pause = 'pause', animation = 'animation',
    placement = 'placement', container = 'container',
  
    // box model
    offsetTop    = 'offsetTop',      offsetBottom   = 'offsetBottom',
    offsetLeft   = 'offsetLeft',
    scrollTop    = 'scrollTop',      scrollLeft     = 'scrollLeft',
    clientWidth  = 'clientWidth',    clientHeight   = 'clientHeight',
    offsetWidth  = 'offsetWidth',    offsetHeight   = 'offsetHeight',
    innerWidth   = 'innerWidth',     innerHeight    = 'innerHeight',
    scrollHeight = 'scrollHeight',   height         = 'height',
  
    // aria
    ariaExpanded = 'aria-expanded',
    ariaHidden   = 'aria-hidden',
  
    // event names
    clickEvent    = 'click',
    hoverEvent    = 'hover',
    keydownEvent  = 'keydown',
    keyupEvent    = 'keyup',
    resizeEvent   = 'resize',
    scrollEvent   = 'scroll',
    // originalEvents
    showEvent     = 'show',
    shownEvent    = 'shown',
    hideEvent     = 'hide',
    hiddenEvent   = 'hidden',
    closeEvent    = 'close',
    closedEvent   = 'closed',
    slidEvent     = 'slid',
    slideEvent    = 'slide',
    changeEvent   = 'change',
  
    // other
    getAttribute           = 'getAttribute',
    setAttribute           = 'setAttribute',
    hasAttribute           = 'hasAttribute',
    createElement          = 'createElement',
    appendChild            = 'appendChild',
    innerHTML              = 'innerHTML',
    getElementsByTagName   = 'getElementsByTagName',
    preventDefault         = 'preventDefault',
    getBoundingClientRect  = 'getBoundingClientRect',
    querySelectorAll       = 'querySelectorAll',
    getElementsByCLASSNAME = 'getElementsByClassName',
    getComputedStyle       = 'getComputedStyle',  
  
    indexOf      = 'indexOf',
    parentNode   = 'parentNode',
    length       = 'length',
    toLowerCase  = 'toLowerCase',
    Transition   = 'Transition',
    Duration     = 'Duration',
    Webkit       = 'Webkit',
    style        = 'style',
    push         = 'push',
    tabindex     = 'tabindex',
    contains     = 'contains',
  
    active     = 'active',
    showClass  = 'show',
    collapsing = 'collapsing',
    disabled   = 'disabled',
    loading    = 'loading',
    left       = 'left',
    right      = 'right',
    top        = 'top',
    bottom     = 'bottom',
  
    // tooltip / popover
    mouseHover = ('onmouseleave' in DOC) ? [ 'mouseenter', 'mouseleave'] : [ 'mouseover', 'mouseout' ],
    tipPositions = /\b(top|bottom|left|right)+/,
  
    // modal
    modalOverlay = 0,
    fixedTop = 'fixed-top',
    fixedBottom = 'fixed-bottom',
  
    // transitionEnd since 2.0.4
    supportTransitions = Webkit+Transition in HTML[style] || Transition[toLowerCase]() in HTML[style],
    transitionEndEvent = Webkit+Transition in HTML[style] ? Webkit[toLowerCase]()+Transition+'End' : Transition[toLowerCase]()+'end',
    transitionDuration = Webkit+Duration in HTML[style] ? Webkit[toLowerCase]()+Transition+Duration : Transition[toLowerCase]()+Duration,
  
    // set new focus element since 2.0.3
    setFocus = function(element){
      element.focus ? element.focus() : element.setActive();
    },
  
    // class manipulation, since 2.0.0 requires polyfill.js
    addClass = function(element,classNAME) {
      element.classList.add(classNAME);
    },
    removeClass = function(element,classNAME) {
      element.classList.remove(classNAME);
    },
    hasClass = function(element,classNAME){ // since 2.0.0
      return element.classList[contains](classNAME);
    },
  
    // selection methods
    getElementsByClassName = function(element,classNAME) { // returns Array
      return [].slice.call(element[getElementsByCLASSNAME]( classNAME ));
    },
    queryElement = function (selector, parent) {
      var lookUp = parent ? parent : DOC;
      return typeof selector === 'object' ? selector : lookUp.querySelector(selector);
    },
    getClosest = function (element, selector) { //element is the element and selector is for the closest parent element to find
      // source http://gomakethings.com/climbing-up-and-down-the-dom-tree-with-vanilla-javascript/
      var firstChar = selector.charAt(0), selectorSubstring = selector.substr(1);
      if ( firstChar === '.' ) {// If selector is a class
        for ( ; element && element !== DOC; element = element[parentNode] ) { // Get closest match
          if ( queryElement(selector,element[parentNode]) !== null && hasClass(element,selectorSubstring) ) { return element; }
        }
      } else if ( firstChar === '#' ) { // If selector is an ID
        for ( ; element && element !== DOC; element = element[parentNode] ) { // Get closest match
          if ( element.id === selectorSubstring ) { return element; }
        }
      }
      return false;
    },
  
    // event attach jQuery style / trigger  since 1.2.0
    on = function (element, event, handler) {
      element.addEventListener(event, handler, false);
    },
    off = function(element, event, handler) {
      element.removeEventListener(event, handler, false);
    },
    one = function (element, event, handler) { // one since 2.0.4
      on(element, event, function handlerWrapper(e){
        handler(e);
        off(element, event, handlerWrapper);
      });
    },
    getTransitionDurationFromElement = function(element) {
      var duration = globalObject[getComputedStyle](element)[transitionDuration];
      duration = parseFloat(duration);
      duration = typeof duration === 'number' && !isNaN(duration) ? duration * 1000 : 0;
      return duration + 50; // we take a short offset to make sure we fire on the next frame after animation
    },
    emulateTransitionEnd = function(element,handler){ // emulateTransitionEnd since 2.0.4
      var called = 0, duration = getTransitionDurationFromElement(element);
      supportTransitions && one(element, transitionEndEvent, function(e){ handler(e); called = 1; });
      setTimeout(function() { !called && handler(); }, duration);
    },
    bootstrapCustomEvent = function (eventName, componentName, related) {
      var OriginalCustomEvent = new CustomEvent( eventName + '.bs.' + componentName);
      OriginalCustomEvent.relatedTarget = related;
      this.dispatchEvent(OriginalCustomEvent);
    },
  
    // tooltip / popover stuff
    getScroll = function() { // also Affix and ScrollSpy uses it
      return {
        y : globalObject.pageYOffset || HTML[scrollTop],
        x : globalObject.pageXOffset || HTML[scrollLeft]
      }
    },
    styleTip = function(link,element,position,parent) { // both popovers and tooltips (target,tooltip,placement,elementToAppendTo)
      var elementDimensions = { w : element[offsetWidth], h: element[offsetHeight] },
          windowWidth = (HTML[clientWidth] || DOC[body][clientWidth]),
          windowHeight = (HTML[clientHeight] || DOC[body][clientHeight]),
          rect = link[getBoundingClientRect](),
          scroll = parent === DOC[body] ? getScroll() : { x: parent[offsetLeft] + parent[scrollLeft], y: parent[offsetTop] + parent[scrollTop] },
          linkDimensions = { w: rect[right] - rect[left], h: rect[bottom] - rect[top] },
          isPopover = hasClass(element,'popover'),
          topPosition, leftPosition,
  
          arrow = queryElement('.arrow',element),
          arrowTop, arrowLeft, arrowWidth, arrowHeight,
  
          halfTopExceed = rect[top] + linkDimensions.h/2 - elementDimensions.h/2 < 0,
          halfLeftExceed = rect[left] + linkDimensions.w/2 - elementDimensions.w/2 < 0,
          halfRightExceed = rect[left] + elementDimensions.w/2 + linkDimensions.w/2 >= windowWidth,
          halfBottomExceed = rect[top] + elementDimensions.h/2 + linkDimensions.h/2 >= windowHeight,
          topExceed = rect[top] - elementDimensions.h < 0,
          leftExceed = rect[left] - elementDimensions.w < 0,
          bottomExceed = rect[top] + elementDimensions.h + linkDimensions.h >= windowHeight,
          rightExceed = rect[left] + elementDimensions.w + linkDimensions.w >= windowWidth;
  
      // recompute position
      position = (position === left || position === right) && leftExceed && rightExceed ? top : position; // first, when both left and right limits are exceeded, we fall back to top|bottom
      position = position === top && topExceed ? bottom : position;
      position = position === bottom && bottomExceed ? top : position;
      position = position === left && leftExceed ? right : position;
      position = position === right && rightExceed ? left : position;
  
      // update tooltip/popover class
      element.className[indexOf](position) === -1 && (element.className = element.className.replace(tipPositions,position));
  
      // we check the computed width & height and update here
      arrowWidth = arrow[offsetWidth]; arrowHeight = arrow[offsetHeight];
  
      // apply styling to tooltip or popover
      if ( position === left || position === right ) { // secondary|side positions
        if ( position === left ) { // LEFT
          leftPosition = rect[left] + scroll.x - elementDimensions.w - ( isPopover ? arrowWidth : 0 );
        } else { // RIGHT
          leftPosition = rect[left] + scroll.x + linkDimensions.w;
        }
  
        // adjust top and arrow
        if (halfTopExceed) {
          topPosition = rect[top] + scroll.y;
          arrowTop = linkDimensions.h/2 - arrowWidth;
        } else if (halfBottomExceed) {
          topPosition = rect[top] + scroll.y - elementDimensions.h + linkDimensions.h;
          arrowTop = elementDimensions.h - linkDimensions.h/2 - arrowWidth;
        } else {
          topPosition = rect[top] + scroll.y - elementDimensions.h/2 + linkDimensions.h/2;
          arrowTop = elementDimensions.h/2 - (isPopover ? arrowHeight*0.9 : arrowHeight/2);
        }
      } else if ( position === top || position === bottom ) { // primary|vertical positions
        if ( position === top) { // TOP
          topPosition =  rect[top] + scroll.y - elementDimensions.h - ( isPopover ? arrowHeight : 0 );
        } else { // BOTTOM
          topPosition = rect[top] + scroll.y + linkDimensions.h;
        }
        // adjust left | right and also the arrow
        if (halfLeftExceed) {
          leftPosition = 0;
          arrowLeft = rect[left] + linkDimensions.w/2 - arrowWidth;
        } else if (halfRightExceed) {
          leftPosition = windowWidth - elementDimensions.w*1.01;
          arrowLeft = elementDimensions.w - ( windowWidth - rect[left] ) + linkDimensions.w/2 - arrowWidth/2;
        } else {
          leftPosition = rect[left] + scroll.x - elementDimensions.w/2 + linkDimensions.w/2;
          arrowLeft = elementDimensions.w/2 - arrowWidth/2;
        }
      }
  
      // apply style to tooltip/popover and its arrow
      element[style][top] = topPosition + 'px';
      element[style][left] = leftPosition + 'px';
  
      arrowTop && (arrow[style][top] = arrowTop + 'px');
      arrowLeft && (arrow[style][left] = arrowLeft + 'px');
    };
  
  BSN.version = '2.0.23';
  
  /* Native Javascript for Bootstrap 4 | Alert
  -------------------------------------------*/
  
  // ALERT DEFINITION
  // ================
  var Alert = function( element ) {
    
    // initialization element
    element = queryElement(element);
  
    // bind, target alert, duration and stuff
    var self = this, component = 'alert',
      alert = getClosest(element,'.'+component),
      triggerHandler = function(){ hasClass(alert,'fade') ? emulateTransitionEnd(alert,transitionEndHandler) : transitionEndHandler(); },
      // handlers
      clickHandler = function(e){
        alert = getClosest(e[target],'.'+component);
        element = queryElement('['+dataDismiss+'="'+component+'"]',alert);
        element && alert && (element === e[target] || element[contains](e[target])) && self.close();
      },
      transitionEndHandler = function(){
        bootstrapCustomEvent.call(alert, closedEvent, component);
        off(element, clickEvent, clickHandler); // detach it's listener
        alert[parentNode].removeChild(alert);
      };
    
    // public method
    this.close = function() {
      if ( alert && element && hasClass(alert,showClass) ) {
        bootstrapCustomEvent.call(alert, closeEvent, component);
        removeClass(alert,showClass);
        alert && triggerHandler();
      }
    };
  
    // init
    if ( !(stringAlert in element ) ) { // prevent adding event handlers twice
      on(element, clickEvent, clickHandler);
    }
    element[stringAlert] = self;
  };
  
  // ALERT DATA API
  // ==============
  supports[push]([stringAlert, Alert, '['+dataDismiss+'="alert"]']);
  
  
  /* Native Javascript for Bootstrap 4 | Button
  ---------------------------------------------*/
  
  // BUTTON DEFINITION
  // ===================
  var Button = function( element ) {
  
    // initialization element
    element = queryElement(element);
  
    // constant
    var toggled = false, // toggled makes sure to prevent triggering twice the change.bs.button events
  
        // strings
        component = 'button',
        checked = 'checked',
        reset = 'reset',
        LABEL = 'LABEL',
        INPUT = 'INPUT',
  
      // private methods
      keyHandler = function(e){ 
        var key = e.which || e.keyCode;
        key === 32 && e[target] === DOC.activeElement && toggle(e);
      },
      preventScroll = function(e){ 
        var key = e.which || e.keyCode;
        key === 32 && e[preventDefault]();
      },
      toggle = function(e) {
        var label = e[target].tagName === LABEL ? e[target] : e[target][parentNode].tagName === LABEL ? e[target][parentNode] : null; // the .btn label
        
        if ( !label ) return; //react if a label or its immediate child is clicked
  
        var eventTarget = e[target], // the button itself, the target of the handler function
          labels = getElementsByClassName(eventTarget[parentNode],'btn'), // all the button group buttons
          input = label[getElementsByTagName](INPUT)[0];
  
        if ( !input ) return; //return if no input found
  
        // manage the dom manipulation
        if ( input.type === 'checkbox' ) { //checkboxes
          if ( !input[checked] ) {
            addClass(label,active);
            input[getAttribute](checked);
            input[setAttribute](checked,checked);
            input[checked] = true;
          } else {
            removeClass(label,active);
            input[getAttribute](checked);
            input.removeAttribute(checked);
            input[checked] = false;
          }
  
          if (!toggled) { // prevent triggering the event twice
            toggled = true;
            bootstrapCustomEvent.call(input, changeEvent, component); //trigger the change for the input
            bootstrapCustomEvent.call(element, changeEvent, component); //trigger the change for the btn-group
          }
        }
  
        if ( input.type === 'radio' && !toggled ) { // radio buttons
          if ( !input[checked] ) { // don't trigger if already active
            addClass(label,active);
            input[setAttribute](checked,checked);
            input[checked] = true;
            bootstrapCustomEvent.call(input, changeEvent, component); //trigger the change for the input
            bootstrapCustomEvent.call(element, changeEvent, component); //trigger the change for the btn-group
  
            toggled = true;
            for (var i = 0, ll = labels[length]; i<ll; i++) {
              var otherLabel = labels[i], otherInput = otherLabel[getElementsByTagName](INPUT)[0];
              if ( otherLabel !== label && hasClass(otherLabel,active) )  {
                removeClass(otherLabel,active);
                otherInput.removeAttribute(checked);
                otherInput[checked] = false;
                bootstrapCustomEvent.call(otherInput, changeEvent, component); // trigger the change
              }
            }
          }
        }
        setTimeout( function() { toggled = false; }, 50 );
      };
  
    // init
    if ( !( stringButton in element ) ) { // prevent adding event handlers twice
      on( element, clickEvent, toggle );
      queryElement('['+tabindex+']',element) && on( element, keyupEvent, keyHandler ), 
                                                on( element, keydownEvent, preventScroll );    
    }
  
    // activate items on load
    var labelsToACtivate = getElementsByClassName(element, 'btn'), lbll = labelsToACtivate[length];
    for (var i=0; i<lbll; i++) {
      !hasClass(labelsToACtivate[i],active) && queryElement('input:checked',labelsToACtivate[i]) 
                                            && addClass(labelsToACtivate[i],active);
    }
    element[stringButton] = this;
  };
  
  // BUTTON DATA API
  // =================
  supports[push]( [ stringButton, Button, '['+dataToggle+'="buttons"]' ] );
  
  
  /* Native Javascript for Bootstrap 4 | Carousel
  ----------------------------------------------*/
  
  // CAROUSEL DEFINITION
  // ===================
  var Carousel = function( element, options ) {
  
    // initialization element
    element = queryElement( element );
  
    // set options
    options = options || {};
  
    // DATA API
    var intervalAttribute = element[getAttribute](dataInterval),
        intervalOption = options[interval],
        intervalData = intervalAttribute === 'false' ? 0 : parseInt(intervalAttribute),  
        pauseData = element[getAttribute](dataPause) === hoverEvent || false,
        keyboardData = element[getAttribute](dataKeyboard) === 'true' || false,
      
        // strings
        component = 'carousel',
        paused = 'paused',
        direction = 'direction',
        carouselItem = 'carousel-item',
        dataSlideTo = 'data-slide-to'; 
  
    this[keyboard] = options[keyboard] === true || keyboardData;
    this[pause] = (options[pause] === hoverEvent || pauseData) ? hoverEvent : false; // false / hover
  
    this[interval] = typeof intervalOption === 'number' ? intervalOption
                   : intervalOption === false || intervalData === 0 || intervalData === false ? 0
                   : 5000; // bootstrap carousel default interval
  
    // bind, event targets
    var self = this, index = element.index = 0, timer = element.timer = 0, 
      isSliding = false, // isSliding prevents click event handlers when animation is running
      slides = getElementsByClassName(element,carouselItem), total = slides[length],
      slideDirection = this[direction] = left,
      leftArrow = getElementsByClassName(element,component+'-control-prev')[0], 
      rightArrow = getElementsByClassName(element,component+'-control-next')[0],
      indicator = queryElement( '.'+component+'-indicators', element ),
      indicators = indicator && indicator[getElementsByTagName]( "LI" ) || [];
  
    // handlers
    var pauseHandler = function () {
        if ( self[interval] !==false && !hasClass(element,paused) ) {
          addClass(element,paused);
          !isSliding && clearInterval( timer );
        }
      },
      resumeHandler = function() {
        if ( self[interval] !== false && hasClass(element,paused) ) {
          removeClass(element,paused);
          !isSliding && clearInterval( timer );
          !isSliding && self.cycle();
        }
      },
      indicatorHandler = function(e) {
        e[preventDefault]();
        if (isSliding) return;
  
        var eventTarget = e[target]; // event target | the current active item
  
        if ( eventTarget && !hasClass(eventTarget,active) && eventTarget[getAttribute](dataSlideTo) ) {
          index = parseInt( eventTarget[getAttribute](dataSlideTo), 10 );
        } else { return false; }
  
        self.slideTo( index ); //Do the slide
      },
      controlsHandler = function (e) {
        e[preventDefault]();
        if (isSliding) return;
  
        var eventTarget = e.currentTarget || e.srcElement;
  
        if ( eventTarget === rightArrow ) {
          index++;
        } else if ( eventTarget === leftArrow ) {
          index--;
        }
  
        self.slideTo( index ); //Do the slide
      },
      keyHandler = function (e) {
        if (isSliding) return;
        switch (e.which) {
          case 39:
            index++;
            break;
          case 37:
            index--;
            break;
          default: return;
        }
        self.slideTo( index ); //Do the slide
      },
      // private methods
      isElementInScrollRange = function () {
        var rect = element[getBoundingClientRect](),
          viewportHeight = globalObject[innerHeight] || HTML[clientHeight]
        return rect[top] <= viewportHeight && rect[bottom] >= 0; // bottom && top
      },    
      setActivePage = function( pageIndex ) { //indicators
        for ( var i = 0, icl = indicators[length]; i < icl; i++ ) {
          removeClass(indicators[i],active);
        }
        if (indicators[pageIndex]) addClass(indicators[pageIndex], active);
      };
  
  
    // public methods
    this.cycle = function() {
      timer = setInterval(function() {
        isElementInScrollRange() && (index++, self.slideTo( index ) );
      }, this[interval]);
    };
    this.slideTo = function( next ) {
      if (isSliding) return; // when controled via methods, make sure to check again      
      
      var activeItem = this.getActiveIndex(), // the current active
          orientation;
      
      // determine slideDirection first
      if  ( (activeItem < next ) || (activeItem === 0 && next === total -1 ) ) {
        slideDirection = self[direction] = left; // next
      } else if  ( (activeItem > next) || (activeItem === total - 1 && next === 0 ) ) {
        slideDirection = self[direction] = right; // prev
      }
  
      // find the right next index 
      if ( next < 0 ) { next = total - 1; } 
      else if ( next === total ){ next = 0; }
  
      // update index
      index = next;
  
      orientation = slideDirection === left ? 'next' : 'prev'; //determine type
      bootstrapCustomEvent.call(element, slideEvent, component, slides[next]); // here we go with the slide
  
      isSliding = true;
      clearInterval(timer);
      setActivePage( next );
  
      if ( supportTransitions && hasClass(element,'slide') ) {
  
        addClass(slides[next],carouselItem +'-'+ orientation);
        slides[next][offsetWidth];
        addClass(slides[next],carouselItem +'-'+ slideDirection);
        addClass(slides[activeItem],carouselItem +'-'+ slideDirection);
  
        one(slides[next], transitionEndEvent, function(e) {
          var timeout = e[target] !== slides[next] ? e.elapsedTime*1000+100 : 20;
          
          isSliding && setTimeout(function(){
            isSliding = false;
  
            addClass(slides[next],active);
            removeClass(slides[activeItem],active);
  
            removeClass(slides[next],carouselItem +'-'+ orientation);
            removeClass(slides[next],carouselItem +'-'+ slideDirection);
            removeClass(slides[activeItem],carouselItem +'-'+ slideDirection);
  
            bootstrapCustomEvent.call(element, slidEvent, component, slides[next]);
  
            if ( !DOC.hidden && self[interval] && !hasClass(element,paused) ) {
              self.cycle();
            }
          }, timeout);
        });
  
      } else {
        addClass(slides[next],active);
        slides[next][offsetWidth];
        removeClass(slides[activeItem],active);
        setTimeout(function() {
          isSliding = false;
          if ( self[interval] && !hasClass(element,paused) ) {
            self.cycle();
          }
          bootstrapCustomEvent.call(element, slidEvent, component, slides[next]);
        }, 100 );
      }
    };
    this.getActiveIndex = function () {
      return slides[indexOf](getElementsByClassName(element,carouselItem+' active')[0]) || 0;
    };
  
    // init
    if ( !(stringCarousel in element ) ) { // prevent adding event handlers twice
  
      if ( self[pause] && self[interval] ) {
        on( element, mouseHover[0], pauseHandler );
        on( element, mouseHover[1], resumeHandler );
        on( element, 'touchstart', pauseHandler );
        on( element, 'touchend', resumeHandler );
      }
    
      rightArrow && on( rightArrow, clickEvent, controlsHandler );
      leftArrow && on( leftArrow, clickEvent, controlsHandler );
    
      indicator && on( indicator, clickEvent, indicatorHandler );
      self[keyboard] === true && on( globalObject, keydownEvent, keyHandler );
    }
    if (self.getActiveIndex()<0) {
      slides[length] && addClass(slides[0],active);
      indicators[length] && setActivePage(0);
    }
  
    if ( self[interval] ){ self.cycle(); }
    element[stringCarousel] = self;
  };
  
  // CAROUSEL DATA API
  // =================
  supports[push]( [ stringCarousel, Carousel, '['+dataRide+'="carousel"]' ] );
  
  
  /* Native Javascript for Bootstrap 4 | Collapse
  -----------------------------------------------*/
  
  // COLLAPSE DEFINITION
  // ===================
  var Collapse = function( element, options ) {
  
    // initialization element
    element = queryElement(element);
  
    // set options
    options = options || {};
  
    // event targets and constants
    var accordion = null, collapse = null, self = this, 
      accordionData = element[getAttribute]('data-parent'),
      activeCollapse, activeElement,
  
      // component strings
      component = 'collapse',
      collapsed = 'collapsed',
      isAnimating = 'isAnimating',
  
      // private methods
      openAction = function(collapseElement,toggle) {
        bootstrapCustomEvent.call(collapseElement, showEvent, component);
        collapseElement[isAnimating] = true;
        addClass(collapseElement,collapsing);
        removeClass(collapseElement,component);
        collapseElement[style][height] = collapseElement[scrollHeight] + 'px';
        
        emulateTransitionEnd(collapseElement, function() {
          collapseElement[isAnimating] = false;
          collapseElement[setAttribute](ariaExpanded,'true');
          toggle[setAttribute](ariaExpanded,'true');
          removeClass(collapseElement,collapsing);
          addClass(collapseElement, component);
          addClass(collapseElement,showClass);
          collapseElement[style][height] = '';
          bootstrapCustomEvent.call(collapseElement, shownEvent, component);
        });
      },
      closeAction = function(collapseElement,toggle) {
        bootstrapCustomEvent.call(collapseElement, hideEvent, component);
        collapseElement[isAnimating] = true;
        collapseElement[style][height] = collapseElement[scrollHeight] + 'px'; // set height first
        removeClass(collapseElement,component);
        removeClass(collapseElement,showClass);
        addClass(collapseElement,collapsing);
        collapseElement[offsetWidth]; // force reflow to enable transition
        collapseElement[style][height] = '0px';
        
        emulateTransitionEnd(collapseElement, function() {
          collapseElement[isAnimating] = false;
          collapseElement[setAttribute](ariaExpanded,'false');
          toggle[setAttribute](ariaExpanded,'false');
          removeClass(collapseElement,collapsing);
          addClass(collapseElement,component);
          collapseElement[style][height] = '';
          bootstrapCustomEvent.call(collapseElement, hiddenEvent, component);
        });
      },
      getTarget = function() {
        var href = element.href && element[getAttribute]('href'),
          parent = element[getAttribute](dataTarget),
          id = href || ( parent && parent.charAt(0) === '#' ) && parent;
        return id && queryElement(id);
      };
    
    // public methods
    this.toggle = function(e) {
      e[preventDefault]();
      if (!hasClass(collapse,showClass)) { self.show(); } 
      else { self.hide(); }
    };
    this.hide = function() {
      if ( collapse[isAnimating] ) return;    
      closeAction(collapse,element);
      addClass(element,collapsed);
    };
    this.show = function() {
      if ( accordion ) {
        activeCollapse = queryElement('.'+component+'.'+showClass,accordion);
        activeElement = activeCollapse && (queryElement('['+dataToggle+'="'+component+'"]['+dataTarget+'="#'+activeCollapse.id+'"]',accordion)
                      || queryElement('['+dataToggle+'="'+component+'"][href="#'+activeCollapse.id+'"]',accordion) );
      }
  
      if ( !collapse[isAnimating] || activeCollapse && !activeCollapse[isAnimating] ) {
        if ( activeElement && activeCollapse !== collapse ) {
          closeAction(activeCollapse,activeElement); 
          addClass(activeElement,collapsed);
        }
        openAction(collapse,element);
        removeClass(element,collapsed);
      }
    };
  
    // init
    if ( !(stringCollapse in element ) ) { // prevent adding event handlers twice
      on(element, clickEvent, self.toggle);
    }
    collapse = getTarget();
    collapse[isAnimating] = false;  // when true it will prevent click handlers  
    accordion = queryElement(options.parent) || accordionData && getClosest(element, accordionData);
    element[stringCollapse] = self;
  };
  
  // COLLAPSE DATA API
  // =================
  supports[push]( [ stringCollapse, Collapse, '['+dataToggle+'="collapse"]' ] );
  
  
  /* Native Javascript for Bootstrap 4 | Dropdown
  ----------------------------------------------*/
  
  // DROPDOWN DEFINITION
  // ===================
  var Dropdown = function( element, option ) {
      
    // initialization element
    element = queryElement(element);
  
    // set option
    this.persist = option === true || element[getAttribute]('data-persist') === 'true' || false;
  
    // constants, event targets, strings
    var self = this, children = 'children',
      parent = element[parentNode],
      component = 'dropdown', open = 'open',
      relatedTarget = null,
      menu = queryElement('.dropdown-menu', parent),
      menuItems = (function(){
        var set = menu[children], newSet = [];
        for ( var i=0; i<set[length]; i++ ){
          set[i][children][length] && (set[i][children][0].tagName === 'A' && newSet[push](set[i][children][0]));
          set[i].tagName === 'A' && newSet[push](set[i]);
        }
        return newSet;
      })(),
  
      // preventDefault on empty anchor links
      preventEmptyAnchor = function(anchor){
        (anchor.href && anchor.href.slice(-1) === '#' || anchor[parentNode] && anchor[parentNode].href 
          && anchor[parentNode].href.slice(-1) === '#') && this[preventDefault]();    
      },
  
      // toggle dismissible events
      toggleDismiss = function(){
        var type = element[open] ? on : off;
        type(DOC, clickEvent, dismissHandler); 
        type(DOC, keydownEvent, preventScroll);
        type(DOC, keyupEvent, keyHandler);
      },
  
      // handlers
      dismissHandler = function(e) {
        var eventTarget = e[target], hasData = eventTarget && (stringDropdown in eventTarget || stringDropdown in eventTarget[parentNode]);
        if ( (eventTarget === menu || menu[contains](eventTarget)) && (self.persist || hasData) ) { return; }
        else {
          relatedTarget = eventTarget === element || element[contains](eventTarget) ? element : null;
          hide();
        }
        preventEmptyAnchor.call(e,eventTarget);
      },
      clickHandler = function(e) {
        relatedTarget = element;
        show();
        preventEmptyAnchor.call(e,e[target]);
      },
      preventScroll = function(e){
        var key = e.which || e.keyCode;
        if( key === 38 || key === 40 ) { e[preventDefault](); }
      },
      keyHandler = function(e){
        var key = e.which || e.keyCode,
          activeItem = DOC.activeElement,
          idx = menuItems[indexOf](activeItem),
          isSameElement = activeItem === element,
          isInsideMenu = menu[contains](activeItem),
          isMenuItem = activeItem[parentNode] === menu || activeItem[parentNode][parentNode] === menu;          
  
        if ( isMenuItem || isSameElement ) { // navigate up | down
          idx = isSameElement ? 0 
                              : key === 38 ? (idx>1?idx-1:0)
                              : key === 40 ? (idx<menuItems[length]-1?idx+1:idx) : idx;
          menuItems[idx] && setFocus(menuItems[idx]);
        }
        if ( (menuItems[length] && isMenuItem // menu has items
              || !menuItems[length] && (isInsideMenu || isSameElement)  // menu might be a form
              || !isInsideMenu ) // or the focused element is not in the menu at all
              && element[open] && key === 27  // menu must be open
        ) {
          self.toggle();
          relatedTarget = null;
        }
      },
  
      // private methods
      show = function() {
        bootstrapCustomEvent.call(parent, showEvent, component, relatedTarget);
        addClass(menu,showClass);
        addClass(parent,showClass);
        menu[setAttribute](ariaExpanded,true);
        bootstrapCustomEvent.call(parent, shownEvent, component, relatedTarget);
        element[open] = true;
        off(element, clickEvent, clickHandler);
        setTimeout(function(){
          setFocus( menu[getElementsByTagName]('INPUT')[0] || element ); // focus the first input item | element
          toggleDismiss();
        },1);
      },
      hide = function() {
        bootstrapCustomEvent.call(parent, hideEvent, component, relatedTarget);
        removeClass(menu,showClass);
        removeClass(parent,showClass);
        menu[setAttribute](ariaExpanded,false);
        bootstrapCustomEvent.call(parent, hiddenEvent, component, relatedTarget);
        element[open] = false;
        toggleDismiss();
        setFocus(element);
        setTimeout(function(){ on(element, clickEvent, clickHandler); },1);
      };
  
    // set initial state to closed
    element[open] = false;
  
    // public methods
    this.toggle = function() {
      if (hasClass(parent,showClass) && element[open]) { hide(); } 
      else { show(); }
    };
  
    // init
    if ( !(stringDropdown in element) ) { // prevent adding event handlers twice
      !tabindex in menu && menu[setAttribute](tabindex, '0'); // Fix onblur on Chrome | Safari
      on(element, clickEvent, clickHandler);
    }
  
    element[stringDropdown] = self;
  };
  
  // DROPDOWN DATA API
  // =================
  supports[push]( [stringDropdown, Dropdown, '['+dataToggle+'="dropdown"]'] );
  
  
  /* Native Javascript for Bootstrap 4 | Modal
  -------------------------------------------*/
  
  // MODAL DEFINITION
  // ===============
  var Modal = function(element, options) { // element can be the modal/triggering button
  
    // the modal (both JavaScript / DATA API init) / triggering button element (DATA API)
    element = queryElement(element);
  
    // determine modal, triggering element
    var btnCheck = element[getAttribute](dataTarget)||element[getAttribute]('href'),
      checkModal = queryElement( btnCheck ),
      modal = hasClass(element,'modal') ? element : checkModal,
      overlayDelay,
  
      // strings
      component = 'modal',
      staticString = 'static',
      paddingLeft = 'paddingLeft',
      paddingRight = 'paddingRight',
      modalBackdropString = 'modal-backdrop';
  
    if ( hasClass(element,'modal') ) { element = null; } // modal is now independent of it's triggering element
  
    if ( !modal ) { return; } // invalidate
  
    // set options
    options = options || {};
  
    this[keyboard] = options[keyboard] === false || modal[getAttribute](dataKeyboard) === 'false' ? false : true;
    this[backdrop] = options[backdrop] === staticString || modal[getAttribute](databackdrop) === staticString ? staticString : true;
    this[backdrop] = options[backdrop] === false || modal[getAttribute](databackdrop) === 'false' ? false : this[backdrop];
    this[content]  = options[content]; // JavaScript only
  
    // bind, constants, event targets and other vars
    var self = this, relatedTarget = null,
      bodyIsOverflowing, modalIsOverflowing, scrollbarWidth, overlay,
  
      // also find fixed-top / fixed-bottom items
      fixedItems = getElementsByClassName(HTML,fixedTop).concat(getElementsByClassName(HTML,fixedBottom)),
  
      // private methods
      getWindowWidth = function() {
        var htmlRect = HTML[getBoundingClientRect]();
        return globalObject[innerWidth] || (htmlRect[right] - Math.abs(htmlRect[left]));
      },
      setScrollbar = function () {
        var bodyStyle = globalObject[getComputedStyle](DOC[body]),
            bodyPad = parseInt((bodyStyle[paddingRight]), 10), itemPad;
        if (bodyIsOverflowing) {
          DOC[body][style][paddingRight] = (bodyPad + scrollbarWidth) + 'px';
          if (fixedItems[length]){
            for (var i = 0; i < fixedItems[length]; i++) {
              itemPad = globalObject[getComputedStyle](fixedItems[i])[paddingRight];
              fixedItems[i][style][paddingRight] = ( parseInt(itemPad) + scrollbarWidth) + 'px';
            }
          }
        }
      },
      resetScrollbar = function () {
        DOC[body][style][paddingRight] = '';
        if (fixedItems[length]){
          for (var i = 0; i < fixedItems[length]; i++) {
            fixedItems[i][style][paddingRight] = '';
          }
        }
      },
      measureScrollbar = function () { // thx walsh
        var scrollDiv = DOC[createElement]('div'), scrollBarWidth;
        scrollDiv.className = component+'-scrollbar-measure'; // this is here to stay
        DOC[body][appendChild](scrollDiv);
        scrollBarWidth = scrollDiv[offsetWidth] - scrollDiv[clientWidth];
        DOC[body].removeChild(scrollDiv);
        return scrollBarWidth;
      },
      checkScrollbar = function () {
        bodyIsOverflowing = DOC[body][clientWidth] < getWindowWidth();
        modalIsOverflowing = modal[scrollHeight] > HTML[clientHeight];
        scrollbarWidth = measureScrollbar();
      },
      adjustDialog = function () {
        modal[style][paddingLeft] = !bodyIsOverflowing && modalIsOverflowing ? scrollbarWidth + 'px' : '';
        modal[style][paddingRight] = bodyIsOverflowing && !modalIsOverflowing ? scrollbarWidth + 'px' : '';
      },
      resetAdjustments = function () {
        modal[style][paddingLeft] = '';
        modal[style][paddingRight] = '';
      },
      createOverlay = function() {
        modalOverlay = 1;        
        
        var newOverlay = DOC[createElement]('div');
        overlay = queryElement('.'+modalBackdropString);
  
        if ( overlay === null ) {
          newOverlay[setAttribute]('class',modalBackdropString+' fade');
          overlay = newOverlay;
          DOC[body][appendChild](overlay);
        }
      },
      removeOverlay = function() {
        overlay = queryElement('.'+modalBackdropString);
        if ( overlay && overlay !== null && typeof overlay === 'object' ) {
          modalOverlay = 0;        
          DOC[body].removeChild(overlay); overlay = null;
        }
        bootstrapCustomEvent.call(modal, hiddenEvent, component);      
      },
      keydownHandlerToggle = function() {
        if (hasClass(modal,showClass)) {
          on(DOC, keydownEvent, keyHandler);
        } else {
          off(DOC, keydownEvent, keyHandler);
        }
      },
      resizeHandlerToggle = function() {
        if (hasClass(modal,showClass)) {
          on(globalObject, resizeEvent, self.update);
        } else {
          off(globalObject, resizeEvent, self.update);
        }
      },
      dismissHandlerToggle = function() {
        if (hasClass(modal,showClass)) {
          on(modal, clickEvent, dismissHandler);
        } else {
          off(modal, clickEvent, dismissHandler);
        }
      },
      // triggers
      triggerShow = function() {
        setFocus(modal);
        bootstrapCustomEvent.call(modal, shownEvent, component, relatedTarget);
      },
      triggerHide = function() {
        modal[style].display = '';
        element && (setFocus(element));
        
        (function(){
          if (!getElementsByClassName(DOC,component+' '+showClass)[0]) {
            resetAdjustments();
            resetScrollbar();
            removeClass(DOC[body],component+'-open');
            overlay && hasClass(overlay,'fade') ? (removeClass(overlay,showClass), emulateTransitionEnd(overlay,removeOverlay)) 
            : removeOverlay();
  
            resizeHandlerToggle();
            dismissHandlerToggle();
            keydownHandlerToggle();
          }
        }());
      },
      // handlers
      clickHandler = function(e) {
        var clickTarget = e[target];
        clickTarget = clickTarget[hasAttribute](dataTarget) || clickTarget[hasAttribute]('href') ? clickTarget : clickTarget[parentNode];
        if ( clickTarget === element && !hasClass(modal,showClass) ) {
          modal.modalTrigger = element;
          relatedTarget = element;
          self.show();
          e[preventDefault]();
        }
      },
      keyHandler = function(e) {
        if (self[keyboard] && e.which == 27 && hasClass(modal,showClass)) {
          self.hide();
        }
      },
      dismissHandler = function(e) {
        var clickTarget = e[target];
        if ( hasClass(modal,showClass) && (clickTarget[parentNode][getAttribute](dataDismiss) === component
            || clickTarget[getAttribute](dataDismiss) === component
            || (clickTarget === modal && self[backdrop] !== staticString) ) ) {
          self.hide(); relatedTarget = null;
          e[preventDefault]();
        }
      };
  
    // public methods
    this.toggle = function() {
      if ( hasClass(modal,showClass) ) {this.hide();} else {this.show();}
    };
    this.show = function() {
      bootstrapCustomEvent.call(modal, showEvent, component, relatedTarget);
  
      // we elegantly hide any opened modal
      var currentOpen = getElementsByClassName(DOC,component+' '+showClass)[0];
      currentOpen && currentOpen !== modal && currentOpen.modalTrigger[stringModal].hide();
  
      if ( this[backdrop] ) {
        !modalOverlay && createOverlay();
      }
  
      if ( overlay && modalOverlay && !hasClass(overlay,showClass)) {
        overlay[offsetWidth]; // force reflow to enable trasition
        overlayDelay = getTransitionDurationFromElement(overlay);              
        addClass(overlay, showClass);
      }
  
      setTimeout( function() {
        modal[style].display = 'block';
  
        checkScrollbar();
        setScrollbar();
        adjustDialog();
  
        addClass(DOC[body],component+'-open');
        addClass(modal,showClass);
        modal[setAttribute](ariaHidden, false);
        
        resizeHandlerToggle();
        dismissHandlerToggle();
        keydownHandlerToggle();
  
        hasClass(modal,'fade') ? emulateTransitionEnd(modal, triggerShow) : triggerShow();
      }, supportTransitions && overlay ? overlayDelay : 0);
    };
    this.hide = function() {
      bootstrapCustomEvent.call(modal, hideEvent, component);
      overlay = queryElement('.'+modalBackdropString);
      overlayDelay = overlay && getTransitionDurationFromElement(overlay);    
  
      removeClass(modal,showClass);
      modal[setAttribute](ariaHidden, true);
  
      setTimeout(function(){
        hasClass(modal,'fade') ? emulateTransitionEnd(modal, triggerHide) : triggerHide();
      }, supportTransitions && overlay ? overlayDelay : 0);
    };
    this.setContent = function( content ) {
      queryElement('.'+component+'-content',modal)[innerHTML] = content;
    };
    this.update = function() {
      if (hasClass(modal,showClass)) {
        checkScrollbar();
        setScrollbar();
        adjustDialog();
      }
    };
  
    // init
    // prevent adding event handlers over and over
    // modal is independent of a triggering element
    if ( !!element && !(stringModal in element) ) {
      on(element, clickEvent, clickHandler);
    }
    if ( !!self[content] ) { self.setContent( self[content] ); }
    !!element && (element[stringModal] = self);
  };
  
  // DATA API
  supports[push]( [ stringModal, Modal, '['+dataToggle+'="modal"]' ] );
  
  /* Native Javascript for Bootstrap 4 | Popover
  ----------------------------------------------*/
  
  // POPOVER DEFINITION
  // ==================
  var Popover = function( element, options ) {
  
    // initialization element
    element = queryElement(element);
  
    // set options
    options = options || {};
  
    // DATA API
    var triggerData = element[getAttribute](dataTrigger), // click / hover / focus
        animationData = element[getAttribute](dataAnimation), // true / false
        placementData = element[getAttribute](dataPlacement),
        dismissibleData = element[getAttribute](dataDismissible),
        delayData = element[getAttribute](dataDelay),
        containerData = element[getAttribute](dataContainer),
  
        // internal strings
        component = 'popover',
        template = 'template',
        trigger = 'trigger',
        classString = 'class',
        div = 'div',
        fade = 'fade',
        content = 'content',
        dataContent = 'data-content',
        dismissible = 'dismissible',
        closeBtn = '<button type="button" class="close">×</button>',
  
        // check container
        containerElement = queryElement(options[container]),
        containerDataElement = queryElement(containerData),       
        
        // maybe the element is inside a modal
        modal = getClosest(element,'.modal'),
        
        // maybe the element is inside a fixed navbar
        navbarFixedTop = getClosest(element,'.'+fixedTop),
        navbarFixedBottom = getClosest(element,'.'+fixedBottom);
  
    // set instance options
    this[template] = options[template] ? options[template] : null; // JavaScript only
    this[trigger] = options[trigger] ? options[trigger] : triggerData || hoverEvent;
    this[animation] = options[animation] && options[animation] !== fade ? options[animation] : animationData || fade;
    this[placement] = options[placement] ? options[placement] : placementData || top;
    this[delay] = parseInt(options[delay] || delayData) || 200;
    this[dismissible] = options[dismissible] || dismissibleData === 'true' ? true : false;
    this[container] = containerElement ? containerElement 
                    : containerDataElement ? containerDataElement 
                    : navbarFixedTop ? navbarFixedTop
                    : navbarFixedBottom ? navbarFixedBottom
                    : modal ? modal : DOC[body];
    
    // bind, content
    var self = this, 
      titleString = element[getAttribute](dataTitle) || null,
      contentString = element[getAttribute](dataContent) || null;
  
    if ( !contentString && !this[template] ) return; // invalidate
  
    // constants, vars
    var popover = null, timer = 0, placementSetting = this[placement],
      
      // handlers
      dismissibleHandler = function(e) {
        if (popover !== null && e[target] === queryElement('.close',popover)) {
          self.hide();
        }
      },
  
      // private methods
      removePopover = function() {
        self[container].removeChild(popover);
        timer = null; popover = null; 
      },
      createPopover = function() {
        titleString = element[getAttribute](dataTitle); // check content again
        contentString = element[getAttribute](dataContent);
  
        popover = DOC[createElement](div);
  
        // popover arrow
        var popoverArrow = DOC[createElement](div);
        popoverArrow[setAttribute](classString,'arrow');
        popover[appendChild](popoverArrow);
  
        if ( contentString !== null && self[template] === null ) { //create the popover from data attributes
  
          popover[setAttribute]('role','tooltip');
  
          if (titleString !== null) {
            var popoverTitle = DOC[createElement]('h3');
            popoverTitle[setAttribute](classString,component+'-header');
  
            popoverTitle[innerHTML] = self[dismissible] ? titleString + closeBtn : titleString;
            popover[appendChild](popoverTitle);
          }
  
          //set popover content
          var popoverContent = DOC[createElement](div);
          popoverContent[setAttribute](classString,component+'-body');
          popoverContent[innerHTML] = self[dismissible] && titleString === null ? contentString + closeBtn : contentString;
          popover[appendChild](popoverContent);
  
        } else {  // or create the popover from template
          var popoverTemplate = DOC[createElement](div);
          popoverTemplate[innerHTML] = self[template];
          popover[innerHTML] = popoverTemplate.firstChild[innerHTML];
        }
  
        //append to the container
        self[container][appendChild](popover);
        popover[style].display = 'block';
        popover[setAttribute](classString, component+ ' bs-' + component+'-'+placementSetting + ' ' + self[animation]);
      },
      showPopover = function () {
        !hasClass(popover,showClass) && ( addClass(popover,showClass) );
      },
      updatePopover = function() {
        styleTip(element,popover,placementSetting,self[container]);
      },
  
      // event toggle
      dismissHandlerToggle = function(type){
        if (clickEvent == self[trigger] || 'focus' == self[trigger]) {
          !self[dismissible] && type( element, 'blur', self.hide );
        }
        self[dismissible] && type( DOC, clickEvent, dismissibleHandler );     
        type( globalObject, resizeEvent, self.hide );
      },
  
      // triggers
      showTrigger = function() {
        dismissHandlerToggle(on);
        bootstrapCustomEvent.call(element, shownEvent, component);
      },
      hideTrigger = function() {
        dismissHandlerToggle(off);
        removePopover();
        bootstrapCustomEvent.call(element, hiddenEvent, component);
      };
  
    // public methods / handlers
    this.toggle = function() {
      if (popover === null) { self.show(); } 
      else { self.hide(); }
    };
    this.show = function() {
      clearTimeout(timer);
      timer = setTimeout( function() {
        if (popover === null) {
          placementSetting = self[placement]; // we reset placement in all cases
          createPopover();
          updatePopover();
          showPopover();
          bootstrapCustomEvent.call(element, showEvent, component);
          !!self[animation] ? emulateTransitionEnd(popover, showTrigger) : showTrigger();
        }
      }, 20 );
    };
    this.hide = function() {
      clearTimeout(timer);
      timer = setTimeout( function() {
        if (popover && popover !== null && hasClass(popover,showClass)) {
          bootstrapCustomEvent.call(element, hideEvent, component);
          removeClass(popover,showClass);
          !!self[animation] ? emulateTransitionEnd(popover, hideTrigger) : hideTrigger();
        }
      }, self[delay] );
    };
  
    // init
    if ( !(stringPopover in element) ) { // prevent adding event handlers twice
      if (self[trigger] === hoverEvent) {
        on( element, mouseHover[0], self.show );
        if (!self[dismissible]) { on( element, mouseHover[1], self.hide ); }
      } else if (clickEvent == self[trigger] || 'focus' == self[trigger]) {
        on( element, self[trigger], self.toggle );
      }
    }
    element[stringPopover] = self;
  };
  
  // POPOVER DATA API
  // ================
  supports[push]( [ stringPopover, Popover, '['+dataToggle+'="popover"]' ] );
  
  
  /* Native Javascript for Bootstrap 4 | ScrollSpy
  -----------------------------------------------*/
  
  // SCROLLSPY DEFINITION
  // ====================
  var ScrollSpy = function(element, options) {
  
    // initialization element, the element we spy on
    element = queryElement(element); 
  
    // DATA API
    var targetData = queryElement(element[getAttribute](dataTarget)),
        offsetData = element[getAttribute]('data-offset');
  
    // set options
    options = options || {};
    if ( !options[target] && !targetData ) { return; } // invalidate
  
    // event targets, constants
    var self = this, spyTarget = options[target] && queryElement(options[target]) || targetData,
        links = spyTarget && spyTarget[getElementsByTagName]('A'),
        offset = parseInt(offsetData || options['offset']) || 10,      
        items = [], targetItems = [], scrollOffset,
        scrollTarget = element[offsetHeight] < element[scrollHeight] ? element : globalObject, // determine which is the real scrollTarget
        isWindow = scrollTarget === globalObject;  
  
    // populate items and targets
    for (var i=0, il=links[length]; i<il; i++) {
      var href = links[i][getAttribute]('href'), 
          targetItem = href && href.charAt(0) === '#' && href.slice(-1) !== '#' && queryElement(href);
      if ( !!targetItem ) {
        items[push](links[i]);
        targetItems[push](targetItem);
      }
    }
  
    // private methods
    var updateItem = function(index) {
        var item = items[index],
          targetItem = targetItems[index], // the menu item targets this element
          dropdown = item[parentNode][parentNode],
          dropdownLink = hasClass(dropdown,'dropdown') && dropdown[getElementsByTagName]('A')[0],
          targetRect = isWindow && targetItem[getBoundingClientRect](),
  
          isActive = hasClass(item,active) || false,
  
          topEdge = (isWindow ? targetRect[top] + scrollOffset : targetItem[offsetTop]) - offset,
          bottomEdge = isWindow ? targetRect[bottom] + scrollOffset - offset : targetItems[index+1] ? targetItems[index+1][offsetTop] - offset : element[scrollHeight],
  
          inside = scrollOffset >= topEdge && bottomEdge > scrollOffset;
  
        if ( !isActive && inside ) {
          if ( !hasClass(item,active) ) {
            addClass(item,active);
            if (dropdownLink && !hasClass(dropdownLink,active) ) {
              addClass(dropdownLink,active);
            }
            bootstrapCustomEvent.call(element, 'activate', 'scrollspy', items[index]);
          }
        } else if ( !inside ) {
          if ( hasClass(item,active) ) {
            removeClass(item,active);
            if (dropdownLink && hasClass(dropdownLink,active) && !getElementsByClassName(item[parentNode],active).length  ) {
              removeClass(dropdownLink,active);
            }
          }
        } else if ( !inside && !isActive || isActive && inside ) {
          return;
        }
      },
      updateItems = function(){
        scrollOffset = isWindow ? getScroll().y : element[scrollTop];
        for (var index=0, itl=items[length]; index<itl; index++) {
          updateItem(index)
        }
      };
  
    // public method
    this.refresh = function () {
      updateItems();
    }
  
    // init
    if ( !(stringScrollSpy in element) ) { // prevent adding event handlers twice
      on( scrollTarget, scrollEvent, self.refresh );
      on( globalObject, resizeEvent, self.refresh ); 
    }
    self.refresh();
    element[stringScrollSpy] = self;
  };
  
  // SCROLLSPY DATA API
  // ==================
  supports[push]( [ stringScrollSpy, ScrollSpy, '['+dataSpy+'="scroll"]' ] );
  
  
  /* Native Javascript for Bootstrap 4 | Tab
  -----------------------------------------*/
  
  // TAB DEFINITION
  // ==============
  var Tab = function( element, options ) {
  
    // initialization element
    element = queryElement(element);
  
    // DATA API
    var heightData = element[getAttribute](dataHeight),
      
        // strings
        component = 'tab', height = 'height', float = 'float', isAnimating = 'isAnimating';
        
    // set options
    options = options || {};
    this[height] = supportTransitions ? (options[height] || heightData === 'true') : false;
  
    // bind, event targets
    var self = this, next,
      tabs = getClosest(element,'.nav'),
      tabsContentContainer = false,
      dropdown = tabs && queryElement('.dropdown-toggle',tabs),
      activeTab, activeContent, nextContent, containerHeight, equalContents, nextHeight,
      
      // trigger
      triggerEnd = function(){
        tabsContentContainer[style][height] = '';
        removeClass(tabsContentContainer,collapsing);
        tabs[isAnimating] = false;
      },
      triggerShow = function() {
        if (tabsContentContainer) { // height animation
          if ( equalContents ) {
            triggerEnd();
          } else {
            setTimeout(function(){ // enables height animation
              tabsContentContainer[style][height] = nextHeight + 'px'; // height animation
              tabsContentContainer[offsetWidth];
              emulateTransitionEnd(tabsContentContainer, triggerEnd);
            },50);
          }
        } else {
          tabs[isAnimating] = false; 
        }
        bootstrapCustomEvent.call(next, shownEvent, component, activeTab);
      },
      triggerHide = function() {
        if (tabsContentContainer) {
          activeContent[style][float] = left;
          nextContent[style][float] = left;        
          containerHeight = activeContent[scrollHeight];
        }
          
        addClass(nextContent,active);
        bootstrapCustomEvent.call(next, showEvent, component, activeTab);
  
        removeClass(activeContent,active);
        bootstrapCustomEvent.call(activeTab, hiddenEvent, component, next);
        
        if (tabsContentContainer) {
          nextHeight = nextContent[scrollHeight];
          equalContents = nextHeight === containerHeight;
          addClass(tabsContentContainer,collapsing);
          tabsContentContainer[style][height] = containerHeight + 'px'; // height animation
          tabsContentContainer[offsetHeight];
          activeContent[style][float] = '';
          nextContent[style][float] = '';
        }
  
        if ( hasClass(nextContent, 'fade') ) {
          setTimeout(function(){
            addClass(nextContent,showClass);
            emulateTransitionEnd(nextContent,triggerShow);
          },20);
        } else { triggerShow(); }        
      };
  
    if (!tabs) return; // invalidate
  
    // set default animation state
    tabs[isAnimating] = false;    
          
    // private methods
    var getActiveTab = function() {
        var activeTabs = getElementsByClassName(tabs,active), activeTab;
        if ( activeTabs[length] === 1 && !hasClass(activeTabs[0][parentNode],'dropdown') ) {
          activeTab = activeTabs[0];
        } else if ( activeTabs[length] > 1 ) {
          activeTab = activeTabs[activeTabs[length]-1];
        }
        return activeTab;
      },
      getActiveContent = function() {
        return queryElement(getActiveTab()[getAttribute]('href'));
      },
      // handler 
      clickHandler = function(e) {
        var href = e[target][getAttribute]('href');
        e[preventDefault]();
        next = e[target][getAttribute](dataToggle) === component || (href && href.charAt(0) === '#')
             ? e[target] : e[target][parentNode]; // allow for child elements like icons to use the handler
        !tabs[isAnimating] && !hasClass(next,active) && self.show();
      };
  
    // public method
    this.show = function() { // the tab we clicked is now the next tab
      next = next || element;
      nextContent = queryElement(next[getAttribute]('href')); //this is the actual object, the next tab content to activate
      activeTab = getActiveTab(); 
      activeContent = getActiveContent();
      
      tabs[isAnimating] = true;
      removeClass(activeTab,active);
      addClass(next,active);
  
      if ( dropdown ) {
        if ( !hasClass(element[parentNode],'dropdown-menu') ) {
          if (hasClass(dropdown,active)) removeClass(dropdown,active);
        } else {
          if (!hasClass(dropdown,active)) addClass(dropdown,active);
        }
      }
      
      bootstrapCustomEvent.call(activeTab, hideEvent, component, next);
  
      if (hasClass(activeContent, 'fade')) {
        removeClass(activeContent,showClass);
        emulateTransitionEnd(activeContent, triggerHide);
      } else { triggerHide(); }
    };
  
    // init
    if ( !(stringTab in element) ) { // prevent adding event handlers twice
      on(element, clickEvent, clickHandler);
    }
    if (self[height]) { tabsContentContainer = getActiveContent()[parentNode]; }
    element[stringTab] = self;
  };
  
  // TAB DATA API
  // ============
  supports[push]( [ stringTab, Tab, '['+dataToggle+'="tab"]' ] );
  
  
  /* Native Javascript for Bootstrap 4 | Tooltip
  ---------------------------------------------*/
  
  // TOOLTIP DEFINITION
  // ==================
  var Tooltip = function( element,options ) {
  
    // initialization element
    element = queryElement(element);
  
    // set options
    options = options || {};
  
    // DATA API
    var animationData = element[getAttribute](dataAnimation),
        placementData = element[getAttribute](dataPlacement),
        delayData = element[getAttribute](dataDelay),
        containerData = element[getAttribute](dataContainer),
        
        // strings
        component = 'tooltip',
        classString = 'class',
        title = 'title',
        fade = 'fade',
        div = 'div',
  
        // check container
        containerElement = queryElement(options[container]),
        containerDataElement = queryElement(containerData),      
  
        // maybe the element is inside a modal
        modal = getClosest(element,'.modal'),
        
        // maybe the element is inside a fixed navbar
        navbarFixedTop = getClosest(element,'.'+fixedTop),
        navbarFixedBottom = getClosest(element,'.'+fixedBottom);
  
    // set instance options
    this[animation] = options[animation] && options[animation] !== fade ? options[animation] : animationData || fade;
    this[placement] = options[placement] ? options[placement] : placementData || top;
    this[delay] = parseInt(options[delay] || delayData) || 200;
    this[container] = containerElement ? containerElement 
                    : containerDataElement ? containerDataElement
                    : navbarFixedTop ? navbarFixedTop
                    : navbarFixedBottom ? navbarFixedBottom
                    : modal ? modal : DOC[body];
  
    // bind, event targets, title and constants
    var self = this, timer = 0, placementSetting = this[placement], tooltip = null,
      titleString = element[getAttribute](title) || element[getAttribute](dataTitle) || element[getAttribute](dataOriginalTitle);
  
    if ( !titleString || titleString == "" ) return; // invalidate
  
    // private methods
    var removeToolTip = function() {
        self[container].removeChild(tooltip);
        tooltip = null; timer = null;
      },
      createToolTip = function() {
        titleString = element[getAttribute](title) || element[getAttribute](dataTitle) || element[getAttribute](dataOriginalTitle); // read the title again
        if ( !titleString || titleString == "" ) return false; // invalidate
        tooltip = DOC[createElement](div);
        tooltip[setAttribute]('role',component);
  
        // tooltip arrow
        var tooltipArrow = DOC[createElement](div);
        tooltipArrow[setAttribute](classString,'arrow');
        tooltip[appendChild](tooltipArrow);
    
        var tooltipInner = DOC[createElement](div);
        tooltipInner[setAttribute](classString,component+'-inner');
        tooltip[appendChild](tooltipInner);
        tooltipInner[innerHTML] = titleString;
  
        self[container][appendChild](tooltip);
        tooltip[setAttribute](classString, component + ' bs-' + component+'-'+placementSetting + ' ' + self[animation]);
      },
      updateTooltip = function () {
        styleTip(element,tooltip,placementSetting,self[container]);
      },
      showTooltip = function () {
        !hasClass(tooltip,showClass) && ( addClass(tooltip,showClass) );
      },
      // triggers
      showTrigger = function() {
        on( globalObject, resizeEvent, self.hide );
        bootstrapCustomEvent.call(element, shownEvent, component);
      },
      hideTrigger = function() {
        off( globalObject, resizeEvent, self.hide );
        removeToolTip();
        bootstrapCustomEvent.call(element, hiddenEvent, component);
      };
  
    // public methods
    this.show = function() {
      clearTimeout(timer);
      timer = setTimeout( function() {
        if (tooltip === null) {
          placementSetting = self[placement]; // we reset placement in all cases
          if(createToolTip() == false) return;
          updateTooltip();
          showTooltip();
          bootstrapCustomEvent.call(element, showEvent, component);
          !!self[animation] ? emulateTransitionEnd(tooltip, showTrigger) : showTrigger();
        }
      }, 20 );
    };
    this.hide = function() {
      clearTimeout(timer);
      timer = setTimeout( function() {
        if (tooltip && hasClass(tooltip,showClass)) {
          bootstrapCustomEvent.call(element, hideEvent, component);
          removeClass(tooltip,showClass);
          !!self[animation] ? emulateTransitionEnd(tooltip, hideTrigger) : hideTrigger();
        }
      }, self[delay]);
    };
    this.toggle = function() {
      if (!tooltip) { self.show(); } 
      else { self.hide(); }
    };
  
    // init
    if ( !(stringTooltip in element) ) { // prevent adding event handlers twice
      element[setAttribute](dataOriginalTitle,titleString);
      element.removeAttribute(title);
      on(element, mouseHover[0], self.show);
      on(element, mouseHover[1], self.hide);
    }
    element[stringTooltip] = self;
  };
  
  // TOOLTIP DATA API
  // =================
  supports[push]( [ stringTooltip, Tooltip, '['+dataToggle+'="tooltip"]' ] );
  
  
  
  /* Native Javascript for Bootstrap 4 | Initialize Data API
  --------------------------------------------------------*/
  var initializeDataAPI = function( constructor, collection ){
      for (var i=0, l=collection[length]; i<l; i++) {
        new constructor(collection[i]);
      }
    },
    initCallback = BSN.initCallback = function(lookUp){
      lookUp = lookUp || DOC;
      for (var i=0, l=supports[length]; i<l; i++) {
        initializeDataAPI( supports[i][1], lookUp[querySelectorAll] (supports[i][2]) );
      }
    };
  
  // bulk initialize all components
  DOC[body] ? initCallback() : on( DOC, 'DOMContentLoaded', function(){ initCallback(); } );
  
  return {
    Alert: Alert,
    Button: Button,
    Carousel: Carousel,
    Collapse: Collapse,
    Dropdown: Dropdown,
    Modal: Modal,
    Popover: Popover,
    ScrollSpy: ScrollSpy,
    Tab: Tab,
    Tooltip: Tooltip
  };
}));

/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(/*! ./../../webpack/buildin/global.js */ "./node_modules/webpack/buildin/global.js")))

/***/ }),

/***/ "./node_modules/es6-promise/dist/es6-promise.auto.js":
/*!***********************************************************!*\
  !*** ./node_modules/es6-promise/dist/es6-promise.auto.js ***!
  \***********************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

/* WEBPACK VAR INJECTION */(function(process, global) {/*!
 * @overview es6-promise - a tiny implementation of Promises/A+.
 * @copyright Copyright (c) 2014 Yehuda Katz, Tom Dale, Stefan Penner and contributors (Conversion to ES6 API by Jake Archibald)
 * @license   Licensed under MIT license
 *            See https://raw.githubusercontent.com/stefanpenner/es6-promise/master/LICENSE
 * @version   v4.2.4+314e4831
 */

(function (global, factory) {
	 true ? module.exports = factory() :
	undefined;
}(this, (function () { 'use strict';

function objectOrFunction(x) {
  var type = typeof x;
  return x !== null && (type === 'object' || type === 'function');
}

function isFunction(x) {
  return typeof x === 'function';
}



var _isArray = void 0;
if (Array.isArray) {
  _isArray = Array.isArray;
} else {
  _isArray = function (x) {
    return Object.prototype.toString.call(x) === '[object Array]';
  };
}

var isArray = _isArray;

var len = 0;
var vertxNext = void 0;
var customSchedulerFn = void 0;

var asap = function asap(callback, arg) {
  queue[len] = callback;
  queue[len + 1] = arg;
  len += 2;
  if (len === 2) {
    // If len is 2, that means that we need to schedule an async flush.
    // If additional callbacks are queued before the queue is flushed, they
    // will be processed by this flush that we are scheduling.
    if (customSchedulerFn) {
      customSchedulerFn(flush);
    } else {
      scheduleFlush();
    }
  }
};

function setScheduler(scheduleFn) {
  customSchedulerFn = scheduleFn;
}

function setAsap(asapFn) {
  asap = asapFn;
}

var browserWindow = typeof window !== 'undefined' ? window : undefined;
var browserGlobal = browserWindow || {};
var BrowserMutationObserver = browserGlobal.MutationObserver || browserGlobal.WebKitMutationObserver;
var isNode = typeof self === 'undefined' && typeof process !== 'undefined' && {}.toString.call(process) === '[object process]';

// test for web worker but not in IE10
var isWorker = typeof Uint8ClampedArray !== 'undefined' && typeof importScripts !== 'undefined' && typeof MessageChannel !== 'undefined';

// node
function useNextTick() {
  // node version 0.10.x displays a deprecation warning when nextTick is used recursively
  // see https://github.com/cujojs/when/issues/410 for details
  return function () {
    return process.nextTick(flush);
  };
}

// vertx
function useVertxTimer() {
  if (typeof vertxNext !== 'undefined') {
    return function () {
      vertxNext(flush);
    };
  }

  return useSetTimeout();
}

function useMutationObserver() {
  var iterations = 0;
  var observer = new BrowserMutationObserver(flush);
  var node = document.createTextNode('');
  observer.observe(node, { characterData: true });

  return function () {
    node.data = iterations = ++iterations % 2;
  };
}

// web worker
function useMessageChannel() {
  var channel = new MessageChannel();
  channel.port1.onmessage = flush;
  return function () {
    return channel.port2.postMessage(0);
  };
}

function useSetTimeout() {
  // Store setTimeout reference so es6-promise will be unaffected by
  // other code modifying setTimeout (like sinon.useFakeTimers())
  var globalSetTimeout = setTimeout;
  return function () {
    return globalSetTimeout(flush, 1);
  };
}

var queue = new Array(1000);
function flush() {
  for (var i = 0; i < len; i += 2) {
    var callback = queue[i];
    var arg = queue[i + 1];

    callback(arg);

    queue[i] = undefined;
    queue[i + 1] = undefined;
  }

  len = 0;
}

function attemptVertx() {
  try {
    var vertx = Function('return this')().require('vertx');
    vertxNext = vertx.runOnLoop || vertx.runOnContext;
    return useVertxTimer();
  } catch (e) {
    return useSetTimeout();
  }
}

var scheduleFlush = void 0;
// Decide what async method to use to triggering processing of queued callbacks:
if (isNode) {
  scheduleFlush = useNextTick();
} else if (BrowserMutationObserver) {
  scheduleFlush = useMutationObserver();
} else if (isWorker) {
  scheduleFlush = useMessageChannel();
} else if (browserWindow === undefined && "function" === 'function') {
  scheduleFlush = attemptVertx();
} else {
  scheduleFlush = useSetTimeout();
}

function then(onFulfillment, onRejection) {
  var parent = this;

  var child = new this.constructor(noop);

  if (child[PROMISE_ID] === undefined) {
    makePromise(child);
  }

  var _state = parent._state;


  if (_state) {
    var callback = arguments[_state - 1];
    asap(function () {
      return invokeCallback(_state, child, callback, parent._result);
    });
  } else {
    subscribe(parent, child, onFulfillment, onRejection);
  }

  return child;
}

/**
  `Promise.resolve` returns a promise that will become resolved with the
  passed `value`. It is shorthand for the following:

  ```javascript
  let promise = new Promise(function(resolve, reject){
    resolve(1);
  });

  promise.then(function(value){
    // value === 1
  });
  ```

  Instead of writing the above, your code now simply becomes the following:

  ```javascript
  let promise = Promise.resolve(1);

  promise.then(function(value){
    // value === 1
  });
  ```

  @method resolve
  @static
  @param {Any} value value that the returned promise will be resolved with
  Useful for tooling.
  @return {Promise} a promise that will become fulfilled with the given
  `value`
*/
function resolve$1(object) {
  /*jshint validthis:true */
  var Constructor = this;

  if (object && typeof object === 'object' && object.constructor === Constructor) {
    return object;
  }

  var promise = new Constructor(noop);
  resolve(promise, object);
  return promise;
}

var PROMISE_ID = Math.random().toString(36).substring(2);

function noop() {}

var PENDING = void 0;
var FULFILLED = 1;
var REJECTED = 2;

var TRY_CATCH_ERROR = { error: null };

function selfFulfillment() {
  return new TypeError("You cannot resolve a promise with itself");
}

function cannotReturnOwn() {
  return new TypeError('A promises callback cannot return that same promise.');
}

function getThen(promise) {
  try {
    return promise.then;
  } catch (error) {
    TRY_CATCH_ERROR.error = error;
    return TRY_CATCH_ERROR;
  }
}

function tryThen(then$$1, value, fulfillmentHandler, rejectionHandler) {
  try {
    then$$1.call(value, fulfillmentHandler, rejectionHandler);
  } catch (e) {
    return e;
  }
}

function handleForeignThenable(promise, thenable, then$$1) {
  asap(function (promise) {
    var sealed = false;
    var error = tryThen(then$$1, thenable, function (value) {
      if (sealed) {
        return;
      }
      sealed = true;
      if (thenable !== value) {
        resolve(promise, value);
      } else {
        fulfill(promise, value);
      }
    }, function (reason) {
      if (sealed) {
        return;
      }
      sealed = true;

      reject(promise, reason);
    }, 'Settle: ' + (promise._label || ' unknown promise'));

    if (!sealed && error) {
      sealed = true;
      reject(promise, error);
    }
  }, promise);
}

function handleOwnThenable(promise, thenable) {
  if (thenable._state === FULFILLED) {
    fulfill(promise, thenable._result);
  } else if (thenable._state === REJECTED) {
    reject(promise, thenable._result);
  } else {
    subscribe(thenable, undefined, function (value) {
      return resolve(promise, value);
    }, function (reason) {
      return reject(promise, reason);
    });
  }
}

function handleMaybeThenable(promise, maybeThenable, then$$1) {
  if (maybeThenable.constructor === promise.constructor && then$$1 === then && maybeThenable.constructor.resolve === resolve$1) {
    handleOwnThenable(promise, maybeThenable);
  } else {
    if (then$$1 === TRY_CATCH_ERROR) {
      reject(promise, TRY_CATCH_ERROR.error);
      TRY_CATCH_ERROR.error = null;
    } else if (then$$1 === undefined) {
      fulfill(promise, maybeThenable);
    } else if (isFunction(then$$1)) {
      handleForeignThenable(promise, maybeThenable, then$$1);
    } else {
      fulfill(promise, maybeThenable);
    }
  }
}

function resolve(promise, value) {
  if (promise === value) {
    reject(promise, selfFulfillment());
  } else if (objectOrFunction(value)) {
    handleMaybeThenable(promise, value, getThen(value));
  } else {
    fulfill(promise, value);
  }
}

function publishRejection(promise) {
  if (promise._onerror) {
    promise._onerror(promise._result);
  }

  publish(promise);
}

function fulfill(promise, value) {
  if (promise._state !== PENDING) {
    return;
  }

  promise._result = value;
  promise._state = FULFILLED;

  if (promise._subscribers.length !== 0) {
    asap(publish, promise);
  }
}

function reject(promise, reason) {
  if (promise._state !== PENDING) {
    return;
  }
  promise._state = REJECTED;
  promise._result = reason;

  asap(publishRejection, promise);
}

function subscribe(parent, child, onFulfillment, onRejection) {
  var _subscribers = parent._subscribers;
  var length = _subscribers.length;


  parent._onerror = null;

  _subscribers[length] = child;
  _subscribers[length + FULFILLED] = onFulfillment;
  _subscribers[length + REJECTED] = onRejection;

  if (length === 0 && parent._state) {
    asap(publish, parent);
  }
}

function publish(promise) {
  var subscribers = promise._subscribers;
  var settled = promise._state;

  if (subscribers.length === 0) {
    return;
  }

  var child = void 0,
      callback = void 0,
      detail = promise._result;

  for (var i = 0; i < subscribers.length; i += 3) {
    child = subscribers[i];
    callback = subscribers[i + settled];

    if (child) {
      invokeCallback(settled, child, callback, detail);
    } else {
      callback(detail);
    }
  }

  promise._subscribers.length = 0;
}

function tryCatch(callback, detail) {
  try {
    return callback(detail);
  } catch (e) {
    TRY_CATCH_ERROR.error = e;
    return TRY_CATCH_ERROR;
  }
}

function invokeCallback(settled, promise, callback, detail) {
  var hasCallback = isFunction(callback),
      value = void 0,
      error = void 0,
      succeeded = void 0,
      failed = void 0;

  if (hasCallback) {
    value = tryCatch(callback, detail);

    if (value === TRY_CATCH_ERROR) {
      failed = true;
      error = value.error;
      value.error = null;
    } else {
      succeeded = true;
    }

    if (promise === value) {
      reject(promise, cannotReturnOwn());
      return;
    }
  } else {
    value = detail;
    succeeded = true;
  }

  if (promise._state !== PENDING) {
    // noop
  } else if (hasCallback && succeeded) {
    resolve(promise, value);
  } else if (failed) {
    reject(promise, error);
  } else if (settled === FULFILLED) {
    fulfill(promise, value);
  } else if (settled === REJECTED) {
    reject(promise, value);
  }
}

function initializePromise(promise, resolver) {
  try {
    resolver(function resolvePromise(value) {
      resolve(promise, value);
    }, function rejectPromise(reason) {
      reject(promise, reason);
    });
  } catch (e) {
    reject(promise, e);
  }
}

var id = 0;
function nextId() {
  return id++;
}

function makePromise(promise) {
  promise[PROMISE_ID] = id++;
  promise._state = undefined;
  promise._result = undefined;
  promise._subscribers = [];
}

function validationError() {
  return new Error('Array Methods must be provided an Array');
}

var Enumerator = function () {
  function Enumerator(Constructor, input) {
    this._instanceConstructor = Constructor;
    this.promise = new Constructor(noop);

    if (!this.promise[PROMISE_ID]) {
      makePromise(this.promise);
    }

    if (isArray(input)) {
      this.length = input.length;
      this._remaining = input.length;

      this._result = new Array(this.length);

      if (this.length === 0) {
        fulfill(this.promise, this._result);
      } else {
        this.length = this.length || 0;
        this._enumerate(input);
        if (this._remaining === 0) {
          fulfill(this.promise, this._result);
        }
      }
    } else {
      reject(this.promise, validationError());
    }
  }

  Enumerator.prototype._enumerate = function _enumerate(input) {
    for (var i = 0; this._state === PENDING && i < input.length; i++) {
      this._eachEntry(input[i], i);
    }
  };

  Enumerator.prototype._eachEntry = function _eachEntry(entry, i) {
    var c = this._instanceConstructor;
    var resolve$$1 = c.resolve;


    if (resolve$$1 === resolve$1) {
      var _then = getThen(entry);

      if (_then === then && entry._state !== PENDING) {
        this._settledAt(entry._state, i, entry._result);
      } else if (typeof _then !== 'function') {
        this._remaining--;
        this._result[i] = entry;
      } else if (c === Promise$2) {
        var promise = new c(noop);
        handleMaybeThenable(promise, entry, _then);
        this._willSettleAt(promise, i);
      } else {
        this._willSettleAt(new c(function (resolve$$1) {
          return resolve$$1(entry);
        }), i);
      }
    } else {
      this._willSettleAt(resolve$$1(entry), i);
    }
  };

  Enumerator.prototype._settledAt = function _settledAt(state, i, value) {
    var promise = this.promise;


    if (promise._state === PENDING) {
      this._remaining--;

      if (state === REJECTED) {
        reject(promise, value);
      } else {
        this._result[i] = value;
      }
    }

    if (this._remaining === 0) {
      fulfill(promise, this._result);
    }
  };

  Enumerator.prototype._willSettleAt = function _willSettleAt(promise, i) {
    var enumerator = this;

    subscribe(promise, undefined, function (value) {
      return enumerator._settledAt(FULFILLED, i, value);
    }, function (reason) {
      return enumerator._settledAt(REJECTED, i, reason);
    });
  };

  return Enumerator;
}();

/**
  `Promise.all` accepts an array of promises, and returns a new promise which
  is fulfilled with an array of fulfillment values for the passed promises, or
  rejected with the reason of the first passed promise to be rejected. It casts all
  elements of the passed iterable to promises as it runs this algorithm.

  Example:

  ```javascript
  let promise1 = resolve(1);
  let promise2 = resolve(2);
  let promise3 = resolve(3);
  let promises = [ promise1, promise2, promise3 ];

  Promise.all(promises).then(function(array){
    // The array here would be [ 1, 2, 3 ];
  });
  ```

  If any of the `promises` given to `all` are rejected, the first promise
  that is rejected will be given as an argument to the returned promises's
  rejection handler. For example:

  Example:

  ```javascript
  let promise1 = resolve(1);
  let promise2 = reject(new Error("2"));
  let promise3 = reject(new Error("3"));
  let promises = [ promise1, promise2, promise3 ];

  Promise.all(promises).then(function(array){
    // Code here never runs because there are rejected promises!
  }, function(error) {
    // error.message === "2"
  });
  ```

  @method all
  @static
  @param {Array} entries array of promises
  @param {String} label optional string for labeling the promise.
  Useful for tooling.
  @return {Promise} promise that is fulfilled when all `promises` have been
  fulfilled, or rejected if any of them become rejected.
  @static
*/
function all(entries) {
  return new Enumerator(this, entries).promise;
}

/**
  `Promise.race` returns a new promise which is settled in the same way as the
  first passed promise to settle.

  Example:

  ```javascript
  let promise1 = new Promise(function(resolve, reject){
    setTimeout(function(){
      resolve('promise 1');
    }, 200);
  });

  let promise2 = new Promise(function(resolve, reject){
    setTimeout(function(){
      resolve('promise 2');
    }, 100);
  });

  Promise.race([promise1, promise2]).then(function(result){
    // result === 'promise 2' because it was resolved before promise1
    // was resolved.
  });
  ```

  `Promise.race` is deterministic in that only the state of the first
  settled promise matters. For example, even if other promises given to the
  `promises` array argument are resolved, but the first settled promise has
  become rejected before the other promises became fulfilled, the returned
  promise will become rejected:

  ```javascript
  let promise1 = new Promise(function(resolve, reject){
    setTimeout(function(){
      resolve('promise 1');
    }, 200);
  });

  let promise2 = new Promise(function(resolve, reject){
    setTimeout(function(){
      reject(new Error('promise 2'));
    }, 100);
  });

  Promise.race([promise1, promise2]).then(function(result){
    // Code here never runs
  }, function(reason){
    // reason.message === 'promise 2' because promise 2 became rejected before
    // promise 1 became fulfilled
  });
  ```

  An example real-world use case is implementing timeouts:

  ```javascript
  Promise.race([ajax('foo.json'), timeout(5000)])
  ```

  @method race
  @static
  @param {Array} promises array of promises to observe
  Useful for tooling.
  @return {Promise} a promise which settles in the same way as the first passed
  promise to settle.
*/
function race(entries) {
  /*jshint validthis:true */
  var Constructor = this;

  if (!isArray(entries)) {
    return new Constructor(function (_, reject) {
      return reject(new TypeError('You must pass an array to race.'));
    });
  } else {
    return new Constructor(function (resolve, reject) {
      var length = entries.length;
      for (var i = 0; i < length; i++) {
        Constructor.resolve(entries[i]).then(resolve, reject);
      }
    });
  }
}

/**
  `Promise.reject` returns a promise rejected with the passed `reason`.
  It is shorthand for the following:

  ```javascript
  let promise = new Promise(function(resolve, reject){
    reject(new Error('WHOOPS'));
  });

  promise.then(function(value){
    // Code here doesn't run because the promise is rejected!
  }, function(reason){
    // reason.message === 'WHOOPS'
  });
  ```

  Instead of writing the above, your code now simply becomes the following:

  ```javascript
  let promise = Promise.reject(new Error('WHOOPS'));

  promise.then(function(value){
    // Code here doesn't run because the promise is rejected!
  }, function(reason){
    // reason.message === 'WHOOPS'
  });
  ```

  @method reject
  @static
  @param {Any} reason value that the returned promise will be rejected with.
  Useful for tooling.
  @return {Promise} a promise rejected with the given `reason`.
*/
function reject$1(reason) {
  /*jshint validthis:true */
  var Constructor = this;
  var promise = new Constructor(noop);
  reject(promise, reason);
  return promise;
}

function needsResolver() {
  throw new TypeError('You must pass a resolver function as the first argument to the promise constructor');
}

function needsNew() {
  throw new TypeError("Failed to construct 'Promise': Please use the 'new' operator, this object constructor cannot be called as a function.");
}

/**
  Promise objects represent the eventual result of an asynchronous operation. The
  primary way of interacting with a promise is through its `then` method, which
  registers callbacks to receive either a promise's eventual value or the reason
  why the promise cannot be fulfilled.

  Terminology
  -----------

  - `promise` is an object or function with a `then` method whose behavior conforms to this specification.
  - `thenable` is an object or function that defines a `then` method.
  - `value` is any legal JavaScript value (including undefined, a thenable, or a promise).
  - `exception` is a value that is thrown using the throw statement.
  - `reason` is a value that indicates why a promise was rejected.
  - `settled` the final resting state of a promise, fulfilled or rejected.

  A promise can be in one of three states: pending, fulfilled, or rejected.

  Promises that are fulfilled have a fulfillment value and are in the fulfilled
  state.  Promises that are rejected have a rejection reason and are in the
  rejected state.  A fulfillment value is never a thenable.

  Promises can also be said to *resolve* a value.  If this value is also a
  promise, then the original promise's settled state will match the value's
  settled state.  So a promise that *resolves* a promise that rejects will
  itself reject, and a promise that *resolves* a promise that fulfills will
  itself fulfill.


  Basic Usage:
  ------------

  ```js
  let promise = new Promise(function(resolve, reject) {
    // on success
    resolve(value);

    // on failure
    reject(reason);
  });

  promise.then(function(value) {
    // on fulfillment
  }, function(reason) {
    // on rejection
  });
  ```

  Advanced Usage:
  ---------------

  Promises shine when abstracting away asynchronous interactions such as
  `XMLHttpRequest`s.

  ```js
  function getJSON(url) {
    return new Promise(function(resolve, reject){
      let xhr = new XMLHttpRequest();

      xhr.open('GET', url);
      xhr.onreadystatechange = handler;
      xhr.responseType = 'json';
      xhr.setRequestHeader('Accept', 'application/json');
      xhr.send();

      function handler() {
        if (this.readyState === this.DONE) {
          if (this.status === 200) {
            resolve(this.response);
          } else {
            reject(new Error('getJSON: `' + url + '` failed with status: [' + this.status + ']'));
          }
        }
      };
    });
  }

  getJSON('/posts.json').then(function(json) {
    // on fulfillment
  }, function(reason) {
    // on rejection
  });
  ```

  Unlike callbacks, promises are great composable primitives.

  ```js
  Promise.all([
    getJSON('/posts'),
    getJSON('/comments')
  ]).then(function(values){
    values[0] // => postsJSON
    values[1] // => commentsJSON

    return values;
  });
  ```

  @class Promise
  @param {Function} resolver
  Useful for tooling.
  @constructor
*/

var Promise$2 = function () {
  function Promise(resolver) {
    this[PROMISE_ID] = nextId();
    this._result = this._state = undefined;
    this._subscribers = [];

    if (noop !== resolver) {
      typeof resolver !== 'function' && needsResolver();
      this instanceof Promise ? initializePromise(this, resolver) : needsNew();
    }
  }

  /**
  The primary way of interacting with a promise is through its `then` method,
  which registers callbacks to receive either a promise's eventual value or the
  reason why the promise cannot be fulfilled.
   ```js
  findUser().then(function(user){
    // user is available
  }, function(reason){
    // user is unavailable, and you are given the reason why
  });
  ```
   Chaining
  --------
   The return value of `then` is itself a promise.  This second, 'downstream'
  promise is resolved with the return value of the first promise's fulfillment
  or rejection handler, or rejected if the handler throws an exception.
   ```js
  findUser().then(function (user) {
    return user.name;
  }, function (reason) {
    return 'default name';
  }).then(function (userName) {
    // If `findUser` fulfilled, `userName` will be the user's name, otherwise it
    // will be `'default name'`
  });
   findUser().then(function (user) {
    throw new Error('Found user, but still unhappy');
  }, function (reason) {
    throw new Error('`findUser` rejected and we're unhappy');
  }).then(function (value) {
    // never reached
  }, function (reason) {
    // if `findUser` fulfilled, `reason` will be 'Found user, but still unhappy'.
    // If `findUser` rejected, `reason` will be '`findUser` rejected and we're unhappy'.
  });
  ```
  If the downstream promise does not specify a rejection handler, rejection reasons will be propagated further downstream.
   ```js
  findUser().then(function (user) {
    throw new PedagogicalException('Upstream error');
  }).then(function (value) {
    // never reached
  }).then(function (value) {
    // never reached
  }, function (reason) {
    // The `PedgagocialException` is propagated all the way down to here
  });
  ```
   Assimilation
  ------------
   Sometimes the value you want to propagate to a downstream promise can only be
  retrieved asynchronously. This can be achieved by returning a promise in the
  fulfillment or rejection handler. The downstream promise will then be pending
  until the returned promise is settled. This is called *assimilation*.
   ```js
  findUser().then(function (user) {
    return findCommentsByAuthor(user);
  }).then(function (comments) {
    // The user's comments are now available
  });
  ```
   If the assimliated promise rejects, then the downstream promise will also reject.
   ```js
  findUser().then(function (user) {
    return findCommentsByAuthor(user);
  }).then(function (comments) {
    // If `findCommentsByAuthor` fulfills, we'll have the value here
  }, function (reason) {
    // If `findCommentsByAuthor` rejects, we'll have the reason here
  });
  ```
   Simple Example
  --------------
   Synchronous Example
   ```javascript
  let result;
   try {
    result = findResult();
    // success
  } catch(reason) {
    // failure
  }
  ```
   Errback Example
   ```js
  findResult(function(result, err){
    if (err) {
      // failure
    } else {
      // success
    }
  });
  ```
   Promise Example;
   ```javascript
  findResult().then(function(result){
    // success
  }, function(reason){
    // failure
  });
  ```
   Advanced Example
  --------------
   Synchronous Example
   ```javascript
  let author, books;
   try {
    author = findAuthor();
    books  = findBooksByAuthor(author);
    // success
  } catch(reason) {
    // failure
  }
  ```
   Errback Example
   ```js
   function foundBooks(books) {
   }
   function failure(reason) {
   }
   findAuthor(function(author, err){
    if (err) {
      failure(err);
      // failure
    } else {
      try {
        findBoooksByAuthor(author, function(books, err) {
          if (err) {
            failure(err);
          } else {
            try {
              foundBooks(books);
            } catch(reason) {
              failure(reason);
            }
          }
        });
      } catch(error) {
        failure(err);
      }
      // success
    }
  });
  ```
   Promise Example;
   ```javascript
  findAuthor().
    then(findBooksByAuthor).
    then(function(books){
      // found books
  }).catch(function(reason){
    // something went wrong
  });
  ```
   @method then
  @param {Function} onFulfilled
  @param {Function} onRejected
  Useful for tooling.
  @return {Promise}
  */

  /**
  `catch` is simply sugar for `then(undefined, onRejection)` which makes it the same
  as the catch block of a try/catch statement.
  ```js
  function findAuthor(){
  throw new Error('couldn't find that author');
  }
  // synchronous
  try {
  findAuthor();
  } catch(reason) {
  // something went wrong
  }
  // async with promises
  findAuthor().catch(function(reason){
  // something went wrong
  });
  ```
  @method catch
  @param {Function} onRejection
  Useful for tooling.
  @return {Promise}
  */


  Promise.prototype.catch = function _catch(onRejection) {
    return this.then(null, onRejection);
  };

  /**
    `finally` will be invoked regardless of the promise's fate just as native
    try/catch/finally behaves
  
    Synchronous example:
  
    ```js
    findAuthor() {
      if (Math.random() > 0.5) {
        throw new Error();
      }
      return new Author();
    }
  
    try {
      return findAuthor(); // succeed or fail
    } catch(error) {
      return findOtherAuther();
    } finally {
      // always runs
      // doesn't affect the return value
    }
    ```
  
    Asynchronous example:
  
    ```js
    findAuthor().catch(function(reason){
      return findOtherAuther();
    }).finally(function(){
      // author was either found, or not
    });
    ```
  
    @method finally
    @param {Function} callback
    @return {Promise}
  */


  Promise.prototype.finally = function _finally(callback) {
    var promise = this;
    var constructor = promise.constructor;

    return promise.then(function (value) {
      return constructor.resolve(callback()).then(function () {
        return value;
      });
    }, function (reason) {
      return constructor.resolve(callback()).then(function () {
        throw reason;
      });
    });
  };

  return Promise;
}();

Promise$2.prototype.then = then;
Promise$2.all = all;
Promise$2.race = race;
Promise$2.resolve = resolve$1;
Promise$2.reject = reject$1;
Promise$2._setScheduler = setScheduler;
Promise$2._setAsap = setAsap;
Promise$2._asap = asap;

/*global self*/
function polyfill() {
  var local = void 0;

  if (typeof global !== 'undefined') {
    local = global;
  } else if (typeof self !== 'undefined') {
    local = self;
  } else {
    try {
      local = Function('return this')();
    } catch (e) {
      throw new Error('polyfill failed because global object is unavailable in this environment');
    }
  }

  var P = local.Promise;

  if (P) {
    var promiseToString = null;
    try {
      promiseToString = Object.prototype.toString.call(P.resolve());
    } catch (e) {
      // silently ignored
    }

    if (promiseToString === '[object Promise]' && !P.cast) {
      return;
    }
  }

  local.Promise = Promise$2;
}

// Strange compat..
Promise$2.polyfill = polyfill;
Promise$2.Promise = Promise$2;

Promise$2.polyfill();

return Promise$2;

})));



//# sourceMappingURL=es6-promise.auto.map

/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(/*! ./../../process/browser.js */ "./node_modules/process/browser.js"), __webpack_require__(/*! ./../../webpack/buildin/global.js */ "./node_modules/webpack/buildin/global.js")))

/***/ }),

/***/ "./node_modules/filesize/lib/filesize.js":
/*!***********************************************!*\
  !*** ./node_modules/filesize/lib/filesize.js ***!
  \***********************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

"use strict";
/* WEBPACK VAR INJECTION */(function(global) {

/**
 * filesize
 *
 * @copyright 2018 Jason Mulligan <jason.mulligan@avoidwork.com>
 * @license BSD-3-Clause
 * @version 3.6.1
 */
(function (global) {
	var b = /^(b|B)$/,
	    symbol = {
		iec: {
			bits: ["b", "Kib", "Mib", "Gib", "Tib", "Pib", "Eib", "Zib", "Yib"],
			bytes: ["B", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB", "ZiB", "YiB"]
		},
		jedec: {
			bits: ["b", "Kb", "Mb", "Gb", "Tb", "Pb", "Eb", "Zb", "Yb"],
			bytes: ["B", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"]
		}
	},
	    fullform = {
		iec: ["", "kibi", "mebi", "gibi", "tebi", "pebi", "exbi", "zebi", "yobi"],
		jedec: ["", "kilo", "mega", "giga", "tera", "peta", "exa", "zetta", "yotta"]
	};

	/**
  * filesize
  *
  * @method filesize
  * @param  {Mixed}   arg        String, Int or Float to transform
  * @param  {Object}  descriptor [Optional] Flags
  * @return {String}             Readable file size String
  */
	function filesize(arg) {
		var descriptor = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};

		var result = [],
		    val = 0,
		    e = void 0,
		    base = void 0,
		    bits = void 0,
		    ceil = void 0,
		    full = void 0,
		    fullforms = void 0,
		    neg = void 0,
		    num = void 0,
		    output = void 0,
		    round = void 0,
		    unix = void 0,
		    separator = void 0,
		    spacer = void 0,
		    standard = void 0,
		    symbols = void 0;

		if (isNaN(arg)) {
			throw new Error("Invalid arguments");
		}

		bits = descriptor.bits === true;
		unix = descriptor.unix === true;
		base = descriptor.base || 2;
		round = descriptor.round !== void 0 ? descriptor.round : unix ? 1 : 2;
		separator = descriptor.separator !== void 0 ? descriptor.separator || "" : "";
		spacer = descriptor.spacer !== void 0 ? descriptor.spacer : unix ? "" : " ";
		symbols = descriptor.symbols || descriptor.suffixes || {};
		standard = base === 2 ? descriptor.standard || "jedec" : "jedec";
		output = descriptor.output || "string";
		full = descriptor.fullform === true;
		fullforms = descriptor.fullforms instanceof Array ? descriptor.fullforms : [];
		e = descriptor.exponent !== void 0 ? descriptor.exponent : -1;
		num = Number(arg);
		neg = num < 0;
		ceil = base > 2 ? 1000 : 1024;

		// Flipping a negative number to determine the size
		if (neg) {
			num = -num;
		}

		// Determining the exponent
		if (e === -1 || isNaN(e)) {
			e = Math.floor(Math.log(num) / Math.log(ceil));

			if (e < 0) {
				e = 0;
			}
		}

		// Exceeding supported length, time to reduce & multiply
		if (e > 8) {
			e = 8;
		}

		// Zero is now a special case because bytes divide by 1
		if (num === 0) {
			result[0] = 0;
			result[1] = unix ? "" : symbol[standard][bits ? "bits" : "bytes"][e];
		} else {
			val = num / (base === 2 ? Math.pow(2, e * 10) : Math.pow(1000, e));

			if (bits) {
				val = val * 8;

				if (val >= ceil && e < 8) {
					val = val / ceil;
					e++;
				}
			}

			result[0] = Number(val.toFixed(e > 0 ? round : 0));
			result[1] = base === 10 && e === 1 ? bits ? "kb" : "kB" : symbol[standard][bits ? "bits" : "bytes"][e];

			if (unix) {
				result[1] = standard === "jedec" ? result[1].charAt(0) : e > 0 ? result[1].replace(/B$/, "") : result[1];

				if (b.test(result[1])) {
					result[0] = Math.floor(result[0]);
					result[1] = "";
				}
			}
		}

		// Decorating a 'diff'
		if (neg) {
			result[0] = -result[0];
		}

		// Applying custom symbol
		result[1] = symbols[result[1]] || result[1];

		// Returning Array, Object, or String (default)
		if (output === "array") {
			return result;
		}

		if (output === "exponent") {
			return e;
		}

		if (output === "object") {
			return { value: result[0], suffix: result[1], symbol: result[1] };
		}

		if (full) {
			result[1] = fullforms[e] ? fullforms[e] : fullform[standard][e] + (bits ? "bit" : "byte") + (result[0] === 1 ? "" : "s");
		}

		if (separator.length > 0) {
			result[0] = result[0].toString().replace(".", separator);
		}

		return result.join(spacer);
	}

	// Partial application for functional programming
	filesize.partial = function (opt) {
		return function (arg) {
			return filesize(arg, opt);
		};
	};

	// CommonJS, AMD, script tag
	if (true) {
		module.exports = filesize;
	} else {}
})(typeof window !== "undefined" ? window : global);

/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(/*! ./../../webpack/buildin/global.js */ "./node_modules/webpack/buildin/global.js")))

/***/ }),

/***/ "./node_modules/formdata-polyfill/FormData.js":
/*!****************************************************!*\
  !*** ./node_modules/formdata-polyfill/FormData.js ***!
  \****************************************************/
/*! no static exports found */
/***/ (function(module, exports) {

if (typeof FormData === 'undefined' || !FormData.prototype.keys) {
  const global = typeof window === 'object'
    ? window : typeof self === 'object'
    ? self : this

  // keep a reference to native implementation
  const _FormData = global.FormData

  // To be monkey patched
  const _send = global.XMLHttpRequest && global.XMLHttpRequest.prototype.send
  const _fetch = global.Request && global.fetch

  // Unable to patch Request constructor correctly
  // const _Request = global.Request
  // only way is to use ES6 class extend
  // https://github.com/babel/babel/issues/1966

  const stringTag = global.Symbol && Symbol.toStringTag
  const map = new WeakMap
  const wm = o => map.get(o)
  const arrayFrom = Array.from || (obj => [].slice.call(obj))

  // Add missing stringTags to blob and files
  if (stringTag) {
    if (!Blob.prototype[stringTag]) {
      Blob.prototype[stringTag] = 'Blob'
    }

    if ('File' in global && !File.prototype[stringTag]) {
      File.prototype[stringTag] = 'File'
    }
  }

  // Fix so you can construct your own File
  try {
    new File([], '')
  } catch (a) {
    global.File = function(b, d, c) {
      const blob = new Blob(b, c)
      const t = c && void 0 !== c.lastModified ? new Date(c.lastModified) : new Date

      Object.defineProperties(blob, {
        name: {
          value: d
        },
        lastModifiedDate: {
          value: t
        },
        lastModified: {
          value: +t
        },
        toString: {
          value() {
            return '[object File]'
          }
        }
      })

      if (stringTag) {
        Object.defineProperty(blob, stringTag, {
          value: 'File'
        })
      }

      return blob
    }
  }

  function normalizeValue([value, filename]) {
    if (value instanceof Blob)
      // Should always returns a new File instance
      // console.assert(fd.get(x) !== fd.get(x))
      value = new File([value], filename, {
        type: value.type,
        lastModified: value.lastModified
      })

    return value
  }

  function stringify(name) {
    if (!arguments.length)
      throw new TypeError('1 argument required, but only 0 present.')

    return [name + '']
  }

  function normalizeArgs(name, value, filename) {
    if (arguments.length < 2)
      throw new TypeError(
        `2 arguments required, but only ${arguments.length} present.`
      )

    return value instanceof Blob
      // normalize name and filename if adding an attachment
      ? [name + '', value, filename !== undefined
        ? filename + '' // Cast filename to string if 3th arg isn't undefined
        : typeof value.name === 'string' // if name prop exist
          ? value.name // Use File.name
          : 'blob'] // otherwise fallback to Blob

      // If no attachment, just cast the args to strings
      : [name + '', value + '']
  }

  /**
   * @implements {Iterable}
   */
  class FormDataPolyfill {

    /**
     * FormData class
     *
     * @param {HTMLElement=} form
     */
    constructor(form) {
      map.set(this, Object.create(null))

      if (!form)
        return this

      for (let elm of arrayFrom(form.elements)) {
        if (!elm.name || elm.disabled) continue

        if (elm.type === 'file')
          for (let file of arrayFrom(elm.files || []))
            this.append(elm.name, file)
        else if (elm.type === 'select-multiple' || elm.type === 'select-one')
          for (let opt of arrayFrom(elm.options))
            !opt.disabled && opt.selected && this.append(elm.name, opt.value)
        else if (elm.type === 'checkbox' || elm.type === 'radio') {
          if (elm.checked) this.append(elm.name, elm.value)
        } else
          this.append(elm.name, elm.value)
      }
    }


    /**
     * Append a field
     *
     * @param   {String}           name      field name
     * @param   {String|Blob|File} value     string / blob / file
     * @param   {String=}          filename  filename to use with blob
     * @return  {Undefined}
     */
    append(name, value, filename) {
      const map = wm(this)

      if (!map[name])
        map[name] = []

      map[name].push([value, filename])
    }


    /**
     * Delete all fields values given name
     *
     * @param   {String}  name  Field name
     * @return  {Undefined}
     */
    delete(name) {
      delete wm(this)[name]
    }


    /**
     * Iterate over all fields as [name, value]
     *
     * @return {Iterator}
     */
    *entries() {
      const map = wm(this)

      for (let name in map)
        for (let value of map[name])
          yield [name, normalizeValue(value)]
    }

    /**
     * Iterate over all fields
     *
     * @param   {Function}  callback  Executed for each item with parameters (value, name, thisArg)
     * @param   {Object=}   thisArg   `this` context for callback function
     * @return  {Undefined}
     */
    forEach(callback, thisArg) {
      for (let [name, value] of this)
        callback.call(thisArg, value, name, this)
    }


    /**
     * Return first field value given name
     * or null if non existen
     *
     * @param   {String}  name      Field name
     * @return  {String|File|null}  value Fields value
     */
    get(name) {
      const map = wm(this)
      return map[name] ? normalizeValue(map[name][0]) : null
    }


    /**
     * Return all fields values given name
     *
     * @param   {String}  name  Fields name
     * @return  {Array}         [{String|File}]
     */
    getAll(name) {
      return (wm(this)[name] || []).map(normalizeValue)
    }


    /**
     * Check for field name existence
     *
     * @param   {String}   name  Field name
     * @return  {boolean}
     */
    has(name) {
      return name in wm(this)
    }


    /**
     * Iterate over all fields name
     *
     * @return {Iterator}
     */
    *keys() {
      for (let [name] of this)
        yield name
    }


    /**
     * Overwrite all values given name
     *
     * @param   {String}    name      Filed name
     * @param   {String}    value     Field value
     * @param   {String=}   filename  Filename (optional)
     * @return  {Undefined}
     */
    set(name, value, filename) {
      wm(this)[name] = [[value, filename]]
    }


    /**
     * Iterate over all fields
     *
     * @return {Iterator}
     */
    *values() {
      for (let [name, value] of this)
        yield value
    }


    /**
     * Return a native (perhaps degraded) FormData with only a `append` method
     * Can throw if it's not supported
     *
     * @return {FormData}
     */
    ['_asNative']() {
      const fd = new _FormData

      for (let [name, value] of this)
        fd.append(name, value)

      return fd
    }


    /**
     * [_blob description]
     *
     * @return {Blob} [description]
     */
    ['_blob']() {
      const boundary = '----formdata-polyfill-' + Math.random()
      const chunks = []

      for (let [name, value] of this) {
        chunks.push(`--${boundary}\r\n`)

        if (value instanceof Blob) {
          chunks.push(
            `Content-Disposition: form-data; name="${name}"; filename="${value.name}"\r\n`,
            `Content-Type: ${value.type || 'application/octet-stream'}\r\n\r\n`,
            value,
            '\r\n'
          )
        } else {
          chunks.push(
            `Content-Disposition: form-data; name="${name}"\r\n\r\n${value}\r\n`
          )
        }
      }

      chunks.push(`--${boundary}--`)

      return new Blob(chunks, {type: 'multipart/form-data; boundary=' + boundary})
    }


    /**
     * The class itself is iterable
     * alias for formdata.entries()
     *
     * @return  {Iterator}
     */
    [Symbol.iterator]() {
      return this.entries()
    }


    /**
     * Create the default string description.
     *
     * @return  {String} [object FormData]
     */
    toString() {
      return '[object FormData]'
    }
  }


  if (stringTag) {
    /**
     * Create the default string description.
     * It is accessed internally by the Object.prototype.toString().
     *
     * @return {String} FormData
     */
    FormDataPolyfill.prototype[stringTag] = 'FormData'
  }

  const decorations = [
    ['append', normalizeArgs],
    ['delete', stringify],
    ['get',    stringify],
    ['getAll', stringify],
    ['has',    stringify],
    ['set',    normalizeArgs]
  ]

  decorations.forEach(arr => {
    const orig = FormDataPolyfill.prototype[arr[0]]
    FormDataPolyfill.prototype[arr[0]] = function() {
      return orig.apply(this, arr[1].apply(this, arrayFrom(arguments)))
    }
  })

  // Patch xhr's send method to call _blob transparently
  if (_send) {
      XMLHttpRequest.prototype.send = function(data) {
      // I would check if Content-Type isn't already set
      // But xhr lacks getRequestHeaders functionallity
      // https://github.com/jimmywarting/FormData/issues/44
      if (data instanceof FormDataPolyfill) {
        const blob = data['_blob']()
        this.setRequestHeader('Content-Type', blob.type)
        _send.call(this, blob)
      } else {
        _send.call(this, data)
      }
    }
  }

  // Patch fetch's function to call _blob transparently
  if (_fetch) {
    const _fetch = global.fetch

    global.fetch = function(input, init) {
      if (init && init.body && init.body instanceof FormDataPolyfill) {
        init.body = init.body['_blob']()
      }

      return _fetch(input, init)
    }
  }

  global['FormData'] = FormDataPolyfill
}


/***/ }),

/***/ "./node_modules/jed/jed.js":
/*!*********************************!*\
  !*** ./node_modules/jed/jed.js ***!
  \*********************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

/**
 * @preserve jed.js https://github.com/SlexAxton/Jed
 */
/*
-----------
A gettext compatible i18n library for modern JavaScript Applications

by Alex Sexton - AlexSexton [at] gmail - @SlexAxton

MIT License

A jQuery Foundation project - requires CLA to contribute -
https://contribute.jquery.org/CLA/



Jed offers the entire applicable GNU gettext spec'd set of
functions, but also offers some nicer wrappers around them.
The api for gettext was written for a language with no function
overloading, so Jed allows a little more of that.

Many thanks to Joshua I. Miller - unrtst@cpan.org - who wrote
gettext.js back in 2008. I was able to vet a lot of my ideas
against his. I also made sure Jed passed against his tests
in order to offer easy upgrades -- jsgettext.berlios.de
*/
(function (root, undef) {

  // Set up some underscore-style functions, if you already have
  // underscore, feel free to delete this section, and use it
  // directly, however, the amount of functions used doesn't
  // warrant having underscore as a full dependency.
  // Underscore 1.3.0 was used to port and is licensed
  // under the MIT License by Jeremy Ashkenas.
  var ArrayProto    = Array.prototype,
      ObjProto      = Object.prototype,
      slice         = ArrayProto.slice,
      hasOwnProp    = ObjProto.hasOwnProperty,
      nativeForEach = ArrayProto.forEach,
      breaker       = {};

  // We're not using the OOP style _ so we don't need the
  // extra level of indirection. This still means that you
  // sub out for real `_` though.
  var _ = {
    forEach : function( obj, iterator, context ) {
      var i, l, key;
      if ( obj === null ) {
        return;
      }

      if ( nativeForEach && obj.forEach === nativeForEach ) {
        obj.forEach( iterator, context );
      }
      else if ( obj.length === +obj.length ) {
        for ( i = 0, l = obj.length; i < l; i++ ) {
          if ( i in obj && iterator.call( context, obj[i], i, obj ) === breaker ) {
            return;
          }
        }
      }
      else {
        for ( key in obj) {
          if ( hasOwnProp.call( obj, key ) ) {
            if ( iterator.call (context, obj[key], key, obj ) === breaker ) {
              return;
            }
          }
        }
      }
    },
    extend : function( obj ) {
      this.forEach( slice.call( arguments, 1 ), function ( source ) {
        for ( var prop in source ) {
          obj[prop] = source[prop];
        }
      });
      return obj;
    }
  };
  // END Miniature underscore impl

  // Jed is a constructor function
  var Jed = function ( options ) {
    // Some minimal defaults
    this.defaults = {
      "locale_data" : {
        "messages" : {
          "" : {
            "domain"       : "messages",
            "lang"         : "en",
            "plural_forms" : "nplurals=2; plural=(n != 1);"
          }
          // There are no default keys, though
        }
      },
      // The default domain if one is missing
      "domain" : "messages",
      // enable debug mode to log untranslated strings to the console
      "debug" : false
    };

    // Mix in the sent options with the default options
    this.options = _.extend( {}, this.defaults, options );
    this.textdomain( this.options.domain );

    if ( options.domain && ! this.options.locale_data[ this.options.domain ] ) {
      throw new Error('Text domain set to non-existent domain: `' + options.domain + '`');
    }
  };

  // The gettext spec sets this character as the default
  // delimiter for context lookups.
  // e.g.: context\u0004key
  // If your translation company uses something different,
  // just change this at any time and it will use that instead.
  Jed.context_delimiter = String.fromCharCode( 4 );

  function getPluralFormFunc ( plural_form_string ) {
    return Jed.PF.compile( plural_form_string || "nplurals=2; plural=(n != 1);");
  }

  function Chain( key, i18n ){
    this._key = key;
    this._i18n = i18n;
  }

  // Create a chainable api for adding args prettily
  _.extend( Chain.prototype, {
    onDomain : function ( domain ) {
      this._domain = domain;
      return this;
    },
    withContext : function ( context ) {
      this._context = context;
      return this;
    },
    ifPlural : function ( num, pkey ) {
      this._val = num;
      this._pkey = pkey;
      return this;
    },
    fetch : function ( sArr ) {
      if ( {}.toString.call( sArr ) != '[object Array]' ) {
        sArr = [].slice.call(arguments, 0);
      }
      return ( sArr && sArr.length ? Jed.sprintf : function(x){ return x; } )(
        this._i18n.dcnpgettext(this._domain, this._context, this._key, this._pkey, this._val),
        sArr
      );
    }
  });

  // Add functions to the Jed prototype.
  // These will be the functions on the object that's returned
  // from creating a `new Jed()`
  // These seem redundant, but they gzip pretty well.
  _.extend( Jed.prototype, {
    // The sexier api start point
    translate : function ( key ) {
      return new Chain( key, this );
    },

    textdomain : function ( domain ) {
      if ( ! domain ) {
        return this._textdomain;
      }
      this._textdomain = domain;
    },

    gettext : function ( key ) {
      return this.dcnpgettext.call( this, undef, undef, key );
    },

    dgettext : function ( domain, key ) {
     return this.dcnpgettext.call( this, domain, undef, key );
    },

    dcgettext : function ( domain , key /*, category */ ) {
      // Ignores the category anyways
      return this.dcnpgettext.call( this, domain, undef, key );
    },

    ngettext : function ( skey, pkey, val ) {
      return this.dcnpgettext.call( this, undef, undef, skey, pkey, val );
    },

    dngettext : function ( domain, skey, pkey, val ) {
      return this.dcnpgettext.call( this, domain, undef, skey, pkey, val );
    },

    dcngettext : function ( domain, skey, pkey, val/*, category */) {
      return this.dcnpgettext.call( this, domain, undef, skey, pkey, val );
    },

    pgettext : function ( context, key ) {
      return this.dcnpgettext.call( this, undef, context, key );
    },

    dpgettext : function ( domain, context, key ) {
      return this.dcnpgettext.call( this, domain, context, key );
    },

    dcpgettext : function ( domain, context, key/*, category */) {
      return this.dcnpgettext.call( this, domain, context, key );
    },

    npgettext : function ( context, skey, pkey, val ) {
      return this.dcnpgettext.call( this, undef, context, skey, pkey, val );
    },

    dnpgettext : function ( domain, context, skey, pkey, val ) {
      return this.dcnpgettext.call( this, domain, context, skey, pkey, val );
    },

    // The most fully qualified gettext function. It has every option.
    // Since it has every option, we can use it from every other method.
    // This is the bread and butter.
    // Technically there should be one more argument in this function for 'Category',
    // but since we never use it, we might as well not waste the bytes to define it.
    dcnpgettext : function ( domain, context, singular_key, plural_key, val ) {
      // Set some defaults

      plural_key = plural_key || singular_key;

      // Use the global domain default if one
      // isn't explicitly passed in
      domain = domain || this._textdomain;

      var fallback;

      // Handle special cases

      // No options found
      if ( ! this.options ) {
        // There's likely something wrong, but we'll return the correct key for english
        // We do this by instantiating a brand new Jed instance with the default set
        // for everything that could be broken.
        fallback = new Jed();
        return fallback.dcnpgettext.call( fallback, undefined, undefined, singular_key, plural_key, val );
      }

      // No translation data provided
      if ( ! this.options.locale_data ) {
        throw new Error('No locale data provided.');
      }

      if ( ! this.options.locale_data[ domain ] ) {
        throw new Error('Domain `' + domain + '` was not found.');
      }

      if ( ! this.options.locale_data[ domain ][ "" ] ) {
        throw new Error('No locale meta information provided.');
      }

      // Make sure we have a truthy key. Otherwise we might start looking
      // into the empty string key, which is the options for the locale
      // data.
      if ( ! singular_key ) {
        throw new Error('No translation key found.');
      }

      var key  = context ? context + Jed.context_delimiter + singular_key : singular_key,
          locale_data = this.options.locale_data,
          dict = locale_data[ domain ],
          defaultConf = (locale_data.messages || this.defaults.locale_data.messages)[""],
          pluralForms = dict[""].plural_forms || dict[""]["Plural-Forms"] || dict[""]["plural-forms"] || defaultConf.plural_forms || defaultConf["Plural-Forms"] || defaultConf["plural-forms"],
          val_list,
          res;

      var val_idx;
      if (val === undefined) {
        // No value passed in; assume singular key lookup.
        val_idx = 0;

      } else {
        // Value has been passed in; use plural-forms calculations.

        // Handle invalid numbers, but try casting strings for good measure
        if ( typeof val != 'number' ) {
          val = parseInt( val, 10 );

          if ( isNaN( val ) ) {
            throw new Error('The number that was passed in is not a number.');
          }
        }

        val_idx = getPluralFormFunc(pluralForms)(val);
      }

      // Throw an error if a domain isn't found
      if ( ! dict ) {
        throw new Error('No domain named `' + domain + '` could be found.');
      }

      val_list = dict[ key ];

      // If there is no match, then revert back to
      // english style singular/plural with the keys passed in.
      if ( ! val_list || val_idx > val_list.length ) {
        if (this.options.missing_key_callback) {
          this.options.missing_key_callback(key, domain);
        }
        res = [ singular_key, plural_key ];

        // collect untranslated strings
        if (this.options.debug===true) {
          console.log(res[ getPluralFormFunc(pluralForms)( val ) ]);
        }
        return res[ getPluralFormFunc()( val ) ];
      }

      res = val_list[ val_idx ];

      // This includes empty strings on purpose
      if ( ! res  ) {
        res = [ singular_key, plural_key ];
        return res[ getPluralFormFunc()( val ) ];
      }
      return res;
    }
  });


  // We add in sprintf capabilities for post translation value interolation
  // This is not internally used, so you can remove it if you have this
  // available somewhere else, or want to use a different system.

  // We _slightly_ modify the normal sprintf behavior to more gracefully handle
  // undefined values.

  /**
   sprintf() for JavaScript 0.7-beta1
   http://www.diveintojavascript.com/projects/javascript-sprintf

   Copyright (c) Alexandru Marasteanu <alexaholic [at) gmail (dot] com>
   All rights reserved.

   Redistribution and use in source and binary forms, with or without
   modification, are permitted provided that the following conditions are met:
       * Redistributions of source code must retain the above copyright
         notice, this list of conditions and the following disclaimer.
       * Redistributions in binary form must reproduce the above copyright
         notice, this list of conditions and the following disclaimer in the
         documentation and/or other materials provided with the distribution.
       * Neither the name of sprintf() for JavaScript nor the
         names of its contributors may be used to endorse or promote products
         derived from this software without specific prior written permission.

   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
   ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
   WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   DISCLAIMED. IN NO EVENT SHALL Alexandru Marasteanu BE LIABLE FOR ANY
   DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
  var sprintf = (function() {
    function get_type(variable) {
      return Object.prototype.toString.call(variable).slice(8, -1).toLowerCase();
    }
    function str_repeat(input, multiplier) {
      for (var output = []; multiplier > 0; output[--multiplier] = input) {/* do nothing */}
      return output.join('');
    }

    var str_format = function() {
      if (!str_format.cache.hasOwnProperty(arguments[0])) {
        str_format.cache[arguments[0]] = str_format.parse(arguments[0]);
      }
      return str_format.format.call(null, str_format.cache[arguments[0]], arguments);
    };

    str_format.format = function(parse_tree, argv) {
      var cursor = 1, tree_length = parse_tree.length, node_type = '', arg, output = [], i, k, match, pad, pad_character, pad_length;
      for (i = 0; i < tree_length; i++) {
        node_type = get_type(parse_tree[i]);
        if (node_type === 'string') {
          output.push(parse_tree[i]);
        }
        else if (node_type === 'array') {
          match = parse_tree[i]; // convenience purposes only
          if (match[2]) { // keyword argument
            arg = argv[cursor];
            for (k = 0; k < match[2].length; k++) {
              if (!arg.hasOwnProperty(match[2][k])) {
                throw(sprintf('[sprintf] property "%s" does not exist', match[2][k]));
              }
              arg = arg[match[2][k]];
            }
          }
          else if (match[1]) { // positional argument (explicit)
            arg = argv[match[1]];
          }
          else { // positional argument (implicit)
            arg = argv[cursor++];
          }

          if (/[^s]/.test(match[8]) && (get_type(arg) != 'number')) {
            throw(sprintf('[sprintf] expecting number but found %s', get_type(arg)));
          }

          // Jed EDIT
          if ( typeof arg == 'undefined' || arg === null ) {
            arg = '';
          }
          // Jed EDIT

          switch (match[8]) {
            case 'b': arg = arg.toString(2); break;
            case 'c': arg = String.fromCharCode(arg); break;
            case 'd': arg = parseInt(arg, 10); break;
            case 'e': arg = match[7] ? arg.toExponential(match[7]) : arg.toExponential(); break;
            case 'f': arg = match[7] ? parseFloat(arg).toFixed(match[7]) : parseFloat(arg); break;
            case 'o': arg = arg.toString(8); break;
            case 's': arg = ((arg = String(arg)) && match[7] ? arg.substring(0, match[7]) : arg); break;
            case 'u': arg = Math.abs(arg); break;
            case 'x': arg = arg.toString(16); break;
            case 'X': arg = arg.toString(16).toUpperCase(); break;
          }
          arg = (/[def]/.test(match[8]) && match[3] && arg >= 0 ? '+'+ arg : arg);
          pad_character = match[4] ? match[4] == '0' ? '0' : match[4].charAt(1) : ' ';
          pad_length = match[6] - String(arg).length;
          pad = match[6] ? str_repeat(pad_character, pad_length) : '';
          output.push(match[5] ? arg + pad : pad + arg);
        }
      }
      return output.join('');
    };

    str_format.cache = {};

    str_format.parse = function(fmt) {
      var _fmt = fmt, match = [], parse_tree = [], arg_names = 0;
      while (_fmt) {
        if ((match = /^[^\x25]+/.exec(_fmt)) !== null) {
          parse_tree.push(match[0]);
        }
        else if ((match = /^\x25{2}/.exec(_fmt)) !== null) {
          parse_tree.push('%');
        }
        else if ((match = /^\x25(?:([1-9]\d*)\$|\(([^\)]+)\))?(\+)?(0|'[^$])?(-)?(\d+)?(?:\.(\d+))?([b-fosuxX])/.exec(_fmt)) !== null) {
          if (match[2]) {
            arg_names |= 1;
            var field_list = [], replacement_field = match[2], field_match = [];
            if ((field_match = /^([a-z_][a-z_\d]*)/i.exec(replacement_field)) !== null) {
              field_list.push(field_match[1]);
              while ((replacement_field = replacement_field.substring(field_match[0].length)) !== '') {
                if ((field_match = /^\.([a-z_][a-z_\d]*)/i.exec(replacement_field)) !== null) {
                  field_list.push(field_match[1]);
                }
                else if ((field_match = /^\[(\d+)\]/.exec(replacement_field)) !== null) {
                  field_list.push(field_match[1]);
                }
                else {
                  throw('[sprintf] huh?');
                }
              }
            }
            else {
              throw('[sprintf] huh?');
            }
            match[2] = field_list;
          }
          else {
            arg_names |= 2;
          }
          if (arg_names === 3) {
            throw('[sprintf] mixing positional and named placeholders is not (yet) supported');
          }
          parse_tree.push(match);
        }
        else {
          throw('[sprintf] huh?');
        }
        _fmt = _fmt.substring(match[0].length);
      }
      return parse_tree;
    };

    return str_format;
  })();

  var vsprintf = function(fmt, argv) {
    argv.unshift(fmt);
    return sprintf.apply(null, argv);
  };

  Jed.parse_plural = function ( plural_forms, n ) {
    plural_forms = plural_forms.replace(/n/g, n);
    return Jed.parse_expression(plural_forms);
  };

  Jed.sprintf = function ( fmt, args ) {
    if ( {}.toString.call( args ) == '[object Array]' ) {
      return vsprintf( fmt, [].slice.call(args) );
    }
    return sprintf.apply(this, [].slice.call(arguments) );
  };

  Jed.prototype.sprintf = function () {
    return Jed.sprintf.apply(this, arguments);
  };
  // END sprintf Implementation

  // Start the Plural forms section
  // This is a full plural form expression parser. It is used to avoid
  // running 'eval' or 'new Function' directly against the plural
  // forms.
  //
  // This can be important if you get translations done through a 3rd
  // party vendor. I encourage you to use this instead, however, I
  // also will provide a 'precompiler' that you can use at build time
  // to output valid/safe function representations of the plural form
  // expressions. This means you can build this code out for the most
  // part.
  Jed.PF = {};

  Jed.PF.parse = function ( p ) {
    var plural_str = Jed.PF.extractPluralExpr( p );
    return Jed.PF.parser.parse.call(Jed.PF.parser, plural_str);
  };

  Jed.PF.compile = function ( p ) {
    // Handle trues and falses as 0 and 1
    function imply( val ) {
      return (val === true ? 1 : val ? val : 0);
    }

    var ast = Jed.PF.parse( p );
    return function ( n ) {
      return imply( Jed.PF.interpreter( ast )( n ) );
    };
  };

  Jed.PF.interpreter = function ( ast ) {
    return function ( n ) {
      var res;
      switch ( ast.type ) {
        case 'GROUP':
          return Jed.PF.interpreter( ast.expr )( n );
        case 'TERNARY':
          if ( Jed.PF.interpreter( ast.expr )( n ) ) {
            return Jed.PF.interpreter( ast.truthy )( n );
          }
          return Jed.PF.interpreter( ast.falsey )( n );
        case 'OR':
          return Jed.PF.interpreter( ast.left )( n ) || Jed.PF.interpreter( ast.right )( n );
        case 'AND':
          return Jed.PF.interpreter( ast.left )( n ) && Jed.PF.interpreter( ast.right )( n );
        case 'LT':
          return Jed.PF.interpreter( ast.left )( n ) < Jed.PF.interpreter( ast.right )( n );
        case 'GT':
          return Jed.PF.interpreter( ast.left )( n ) > Jed.PF.interpreter( ast.right )( n );
        case 'LTE':
          return Jed.PF.interpreter( ast.left )( n ) <= Jed.PF.interpreter( ast.right )( n );
        case 'GTE':
          return Jed.PF.interpreter( ast.left )( n ) >= Jed.PF.interpreter( ast.right )( n );
        case 'EQ':
          return Jed.PF.interpreter( ast.left )( n ) == Jed.PF.interpreter( ast.right )( n );
        case 'NEQ':
          return Jed.PF.interpreter( ast.left )( n ) != Jed.PF.interpreter( ast.right )( n );
        case 'MOD':
          return Jed.PF.interpreter( ast.left )( n ) % Jed.PF.interpreter( ast.right )( n );
        case 'VAR':
          return n;
        case 'NUM':
          return ast.val;
        default:
          throw new Error("Invalid Token found.");
      }
    };
  };

  Jed.PF.extractPluralExpr = function ( p ) {
    // trim first
    p = p.replace(/^\s\s*/, '').replace(/\s\s*$/, '');

    if (! /;\s*$/.test(p)) {
      p = p.concat(';');
    }

    var nplurals_re = /nplurals\=(\d+);/,
        plural_re = /plural\=(.*);/,
        nplurals_matches = p.match( nplurals_re ),
        res = {},
        plural_matches;

    // Find the nplurals number
    if ( nplurals_matches.length > 1 ) {
      res.nplurals = nplurals_matches[1];
    }
    else {
      throw new Error('nplurals not found in plural_forms string: ' + p );
    }

    // remove that data to get to the formula
    p = p.replace( nplurals_re, "" );
    plural_matches = p.match( plural_re );

    if (!( plural_matches && plural_matches.length > 1 ) ) {
      throw new Error('`plural` expression not found: ' + p);
    }
    return plural_matches[ 1 ];
  };

  /* Jison generated parser */
  Jed.PF.parser = (function(){

var parser = {trace: function trace() { },
yy: {},
symbols_: {"error":2,"expressions":3,"e":4,"EOF":5,"?":6,":":7,"||":8,"&&":9,"<":10,"<=":11,">":12,">=":13,"!=":14,"==":15,"%":16,"(":17,")":18,"n":19,"NUMBER":20,"$accept":0,"$end":1},
terminals_: {2:"error",5:"EOF",6:"?",7:":",8:"||",9:"&&",10:"<",11:"<=",12:">",13:">=",14:"!=",15:"==",16:"%",17:"(",18:")",19:"n",20:"NUMBER"},
productions_: [0,[3,2],[4,5],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,1],[4,1]],
performAction: function anonymous(yytext,yyleng,yylineno,yy,yystate,$$,_$) {

var $0 = $$.length - 1;
switch (yystate) {
case 1: return { type : 'GROUP', expr: $$[$0-1] };
break;
case 2:this.$ = { type: 'TERNARY', expr: $$[$0-4], truthy : $$[$0-2], falsey: $$[$0] };
break;
case 3:this.$ = { type: "OR", left: $$[$0-2], right: $$[$0] };
break;
case 4:this.$ = { type: "AND", left: $$[$0-2], right: $$[$0] };
break;
case 5:this.$ = { type: 'LT', left: $$[$0-2], right: $$[$0] };
break;
case 6:this.$ = { type: 'LTE', left: $$[$0-2], right: $$[$0] };
break;
case 7:this.$ = { type: 'GT', left: $$[$0-2], right: $$[$0] };
break;
case 8:this.$ = { type: 'GTE', left: $$[$0-2], right: $$[$0] };
break;
case 9:this.$ = { type: 'NEQ', left: $$[$0-2], right: $$[$0] };
break;
case 10:this.$ = { type: 'EQ', left: $$[$0-2], right: $$[$0] };
break;
case 11:this.$ = { type: 'MOD', left: $$[$0-2], right: $$[$0] };
break;
case 12:this.$ = { type: 'GROUP', expr: $$[$0-1] };
break;
case 13:this.$ = { type: 'VAR' };
break;
case 14:this.$ = { type: 'NUM', val: Number(yytext) };
break;
}
},
table: [{3:1,4:2,17:[1,3],19:[1,4],20:[1,5]},{1:[3]},{5:[1,6],6:[1,7],8:[1,8],9:[1,9],10:[1,10],11:[1,11],12:[1,12],13:[1,13],14:[1,14],15:[1,15],16:[1,16]},{4:17,17:[1,3],19:[1,4],20:[1,5]},{5:[2,13],6:[2,13],7:[2,13],8:[2,13],9:[2,13],10:[2,13],11:[2,13],12:[2,13],13:[2,13],14:[2,13],15:[2,13],16:[2,13],18:[2,13]},{5:[2,14],6:[2,14],7:[2,14],8:[2,14],9:[2,14],10:[2,14],11:[2,14],12:[2,14],13:[2,14],14:[2,14],15:[2,14],16:[2,14],18:[2,14]},{1:[2,1]},{4:18,17:[1,3],19:[1,4],20:[1,5]},{4:19,17:[1,3],19:[1,4],20:[1,5]},{4:20,17:[1,3],19:[1,4],20:[1,5]},{4:21,17:[1,3],19:[1,4],20:[1,5]},{4:22,17:[1,3],19:[1,4],20:[1,5]},{4:23,17:[1,3],19:[1,4],20:[1,5]},{4:24,17:[1,3],19:[1,4],20:[1,5]},{4:25,17:[1,3],19:[1,4],20:[1,5]},{4:26,17:[1,3],19:[1,4],20:[1,5]},{4:27,17:[1,3],19:[1,4],20:[1,5]},{6:[1,7],8:[1,8],9:[1,9],10:[1,10],11:[1,11],12:[1,12],13:[1,13],14:[1,14],15:[1,15],16:[1,16],18:[1,28]},{6:[1,7],7:[1,29],8:[1,8],9:[1,9],10:[1,10],11:[1,11],12:[1,12],13:[1,13],14:[1,14],15:[1,15],16:[1,16]},{5:[2,3],6:[2,3],7:[2,3],8:[2,3],9:[1,9],10:[1,10],11:[1,11],12:[1,12],13:[1,13],14:[1,14],15:[1,15],16:[1,16],18:[2,3]},{5:[2,4],6:[2,4],7:[2,4],8:[2,4],9:[2,4],10:[1,10],11:[1,11],12:[1,12],13:[1,13],14:[1,14],15:[1,15],16:[1,16],18:[2,4]},{5:[2,5],6:[2,5],7:[2,5],8:[2,5],9:[2,5],10:[2,5],11:[2,5],12:[2,5],13:[2,5],14:[2,5],15:[2,5],16:[1,16],18:[2,5]},{5:[2,6],6:[2,6],7:[2,6],8:[2,6],9:[2,6],10:[2,6],11:[2,6],12:[2,6],13:[2,6],14:[2,6],15:[2,6],16:[1,16],18:[2,6]},{5:[2,7],6:[2,7],7:[2,7],8:[2,7],9:[2,7],10:[2,7],11:[2,7],12:[2,7],13:[2,7],14:[2,7],15:[2,7],16:[1,16],18:[2,7]},{5:[2,8],6:[2,8],7:[2,8],8:[2,8],9:[2,8],10:[2,8],11:[2,8],12:[2,8],13:[2,8],14:[2,8],15:[2,8],16:[1,16],18:[2,8]},{5:[2,9],6:[2,9],7:[2,9],8:[2,9],9:[2,9],10:[2,9],11:[2,9],12:[2,9],13:[2,9],14:[2,9],15:[2,9],16:[1,16],18:[2,9]},{5:[2,10],6:[2,10],7:[2,10],8:[2,10],9:[2,10],10:[2,10],11:[2,10],12:[2,10],13:[2,10],14:[2,10],15:[2,10],16:[1,16],18:[2,10]},{5:[2,11],6:[2,11],7:[2,11],8:[2,11],9:[2,11],10:[2,11],11:[2,11],12:[2,11],13:[2,11],14:[2,11],15:[2,11],16:[2,11],18:[2,11]},{5:[2,12],6:[2,12],7:[2,12],8:[2,12],9:[2,12],10:[2,12],11:[2,12],12:[2,12],13:[2,12],14:[2,12],15:[2,12],16:[2,12],18:[2,12]},{4:30,17:[1,3],19:[1,4],20:[1,5]},{5:[2,2],6:[1,7],7:[2,2],8:[1,8],9:[1,9],10:[1,10],11:[1,11],12:[1,12],13:[1,13],14:[1,14],15:[1,15],16:[1,16],18:[2,2]}],
defaultActions: {6:[2,1]},
parseError: function parseError(str, hash) {
    throw new Error(str);
},
parse: function parse(input) {
    var self = this,
        stack = [0],
        vstack = [null], // semantic value stack
        lstack = [], // location stack
        table = this.table,
        yytext = '',
        yylineno = 0,
        yyleng = 0,
        recovering = 0,
        TERROR = 2,
        EOF = 1;

    //this.reductionCount = this.shiftCount = 0;

    this.lexer.setInput(input);
    this.lexer.yy = this.yy;
    this.yy.lexer = this.lexer;
    if (typeof this.lexer.yylloc == 'undefined')
        this.lexer.yylloc = {};
    var yyloc = this.lexer.yylloc;
    lstack.push(yyloc);

    if (typeof this.yy.parseError === 'function')
        this.parseError = this.yy.parseError;

    function popStack (n) {
        stack.length = stack.length - 2*n;
        vstack.length = vstack.length - n;
        lstack.length = lstack.length - n;
    }

    function lex() {
        var token;
        token = self.lexer.lex() || 1; // $end = 1
        // if token isn't its numeric value, convert
        if (typeof token !== 'number') {
            token = self.symbols_[token] || token;
        }
        return token;
    }

    var symbol, preErrorSymbol, state, action, a, r, yyval={},p,len,newState, expected;
    while (true) {
        // retreive state number from top of stack
        state = stack[stack.length-1];

        // use default actions if available
        if (this.defaultActions[state]) {
            action = this.defaultActions[state];
        } else {
            if (symbol == null)
                symbol = lex();
            // read action for current state and first input
            action = table[state] && table[state][symbol];
        }

        // handle parse error
        _handle_error:
        if (typeof action === 'undefined' || !action.length || !action[0]) {

            if (!recovering) {
                // Report error
                expected = [];
                for (p in table[state]) if (this.terminals_[p] && p > 2) {
                    expected.push("'"+this.terminals_[p]+"'");
                }
                var errStr = '';
                if (this.lexer.showPosition) {
                    errStr = 'Parse error on line '+(yylineno+1)+":\n"+this.lexer.showPosition()+"\nExpecting "+expected.join(', ') + ", got '" + this.terminals_[symbol]+ "'";
                } else {
                    errStr = 'Parse error on line '+(yylineno+1)+": Unexpected " +
                                  (symbol == 1 /*EOF*/ ? "end of input" :
                                              ("'"+(this.terminals_[symbol] || symbol)+"'"));
                }
                this.parseError(errStr,
                    {text: this.lexer.match, token: this.terminals_[symbol] || symbol, line: this.lexer.yylineno, loc: yyloc, expected: expected});
            }

            // just recovered from another error
            if (recovering == 3) {
                if (symbol == EOF) {
                    throw new Error(errStr || 'Parsing halted.');
                }

                // discard current lookahead and grab another
                yyleng = this.lexer.yyleng;
                yytext = this.lexer.yytext;
                yylineno = this.lexer.yylineno;
                yyloc = this.lexer.yylloc;
                symbol = lex();
            }

            // try to recover from error
            while (1) {
                // check for error recovery rule in this state
                if ((TERROR.toString()) in table[state]) {
                    break;
                }
                if (state == 0) {
                    throw new Error(errStr || 'Parsing halted.');
                }
                popStack(1);
                state = stack[stack.length-1];
            }

            preErrorSymbol = symbol; // save the lookahead token
            symbol = TERROR;         // insert generic error symbol as new lookahead
            state = stack[stack.length-1];
            action = table[state] && table[state][TERROR];
            recovering = 3; // allow 3 real symbols to be shifted before reporting a new error
        }

        // this shouldn't happen, unless resolve defaults are off
        if (action[0] instanceof Array && action.length > 1) {
            throw new Error('Parse Error: multiple actions possible at state: '+state+', token: '+symbol);
        }

        switch (action[0]) {

            case 1: // shift
                //this.shiftCount++;

                stack.push(symbol);
                vstack.push(this.lexer.yytext);
                lstack.push(this.lexer.yylloc);
                stack.push(action[1]); // push state
                symbol = null;
                if (!preErrorSymbol) { // normal execution/no error
                    yyleng = this.lexer.yyleng;
                    yytext = this.lexer.yytext;
                    yylineno = this.lexer.yylineno;
                    yyloc = this.lexer.yylloc;
                    if (recovering > 0)
                        recovering--;
                } else { // error just occurred, resume old lookahead f/ before error
                    symbol = preErrorSymbol;
                    preErrorSymbol = null;
                }
                break;

            case 2: // reduce
                //this.reductionCount++;

                len = this.productions_[action[1]][1];

                // perform semantic action
                yyval.$ = vstack[vstack.length-len]; // default to $$ = $1
                // default location, uses first token for firsts, last for lasts
                yyval._$ = {
                    first_line: lstack[lstack.length-(len||1)].first_line,
                    last_line: lstack[lstack.length-1].last_line,
                    first_column: lstack[lstack.length-(len||1)].first_column,
                    last_column: lstack[lstack.length-1].last_column
                };
                r = this.performAction.call(yyval, yytext, yyleng, yylineno, this.yy, action[1], vstack, lstack);

                if (typeof r !== 'undefined') {
                    return r;
                }

                // pop off stack
                if (len) {
                    stack = stack.slice(0,-1*len*2);
                    vstack = vstack.slice(0, -1*len);
                    lstack = lstack.slice(0, -1*len);
                }

                stack.push(this.productions_[action[1]][0]);    // push nonterminal (reduce)
                vstack.push(yyval.$);
                lstack.push(yyval._$);
                // goto new state = table[STATE][NONTERMINAL]
                newState = table[stack[stack.length-2]][stack[stack.length-1]];
                stack.push(newState);
                break;

            case 3: // accept
                return true;
        }

    }

    return true;
}};/* Jison generated lexer */
var lexer = (function(){

var lexer = ({EOF:1,
parseError:function parseError(str, hash) {
        if (this.yy.parseError) {
            this.yy.parseError(str, hash);
        } else {
            throw new Error(str);
        }
    },
setInput:function (input) {
        this._input = input;
        this._more = this._less = this.done = false;
        this.yylineno = this.yyleng = 0;
        this.yytext = this.matched = this.match = '';
        this.conditionStack = ['INITIAL'];
        this.yylloc = {first_line:1,first_column:0,last_line:1,last_column:0};
        return this;
    },
input:function () {
        var ch = this._input[0];
        this.yytext+=ch;
        this.yyleng++;
        this.match+=ch;
        this.matched+=ch;
        var lines = ch.match(/\n/);
        if (lines) this.yylineno++;
        this._input = this._input.slice(1);
        return ch;
    },
unput:function (ch) {
        this._input = ch + this._input;
        return this;
    },
more:function () {
        this._more = true;
        return this;
    },
pastInput:function () {
        var past = this.matched.substr(0, this.matched.length - this.match.length);
        return (past.length > 20 ? '...':'') + past.substr(-20).replace(/\n/g, "");
    },
upcomingInput:function () {
        var next = this.match;
        if (next.length < 20) {
            next += this._input.substr(0, 20-next.length);
        }
        return (next.substr(0,20)+(next.length > 20 ? '...':'')).replace(/\n/g, "");
    },
showPosition:function () {
        var pre = this.pastInput();
        var c = new Array(pre.length + 1).join("-");
        return pre + this.upcomingInput() + "\n" + c+"^";
    },
next:function () {
        if (this.done) {
            return this.EOF;
        }
        if (!this._input) this.done = true;

        var token,
            match,
            col,
            lines;
        if (!this._more) {
            this.yytext = '';
            this.match = '';
        }
        var rules = this._currentRules();
        for (var i=0;i < rules.length; i++) {
            match = this._input.match(this.rules[rules[i]]);
            if (match) {
                lines = match[0].match(/\n.*/g);
                if (lines) this.yylineno += lines.length;
                this.yylloc = {first_line: this.yylloc.last_line,
                               last_line: this.yylineno+1,
                               first_column: this.yylloc.last_column,
                               last_column: lines ? lines[lines.length-1].length-1 : this.yylloc.last_column + match[0].length}
                this.yytext += match[0];
                this.match += match[0];
                this.matches = match;
                this.yyleng = this.yytext.length;
                this._more = false;
                this._input = this._input.slice(match[0].length);
                this.matched += match[0];
                token = this.performAction.call(this, this.yy, this, rules[i],this.conditionStack[this.conditionStack.length-1]);
                if (token) return token;
                else return;
            }
        }
        if (this._input === "") {
            return this.EOF;
        } else {
            this.parseError('Lexical error on line '+(this.yylineno+1)+'. Unrecognized text.\n'+this.showPosition(),
                    {text: "", token: null, line: this.yylineno});
        }
    },
lex:function lex() {
        var r = this.next();
        if (typeof r !== 'undefined') {
            return r;
        } else {
            return this.lex();
        }
    },
begin:function begin(condition) {
        this.conditionStack.push(condition);
    },
popState:function popState() {
        return this.conditionStack.pop();
    },
_currentRules:function _currentRules() {
        return this.conditions[this.conditionStack[this.conditionStack.length-1]].rules;
    },
topState:function () {
        return this.conditionStack[this.conditionStack.length-2];
    },
pushState:function begin(condition) {
        this.begin(condition);
    }});
lexer.performAction = function anonymous(yy,yy_,$avoiding_name_collisions,YY_START) {

var YYSTATE=YY_START;
switch($avoiding_name_collisions) {
case 0:/* skip whitespace */
break;
case 1:return 20
break;
case 2:return 19
break;
case 3:return 8
break;
case 4:return 9
break;
case 5:return 6
break;
case 6:return 7
break;
case 7:return 11
break;
case 8:return 13
break;
case 9:return 10
break;
case 10:return 12
break;
case 11:return 14
break;
case 12:return 15
break;
case 13:return 16
break;
case 14:return 17
break;
case 15:return 18
break;
case 16:return 5
break;
case 17:return 'INVALID'
break;
}
};
lexer.rules = [/^\s+/,/^[0-9]+(\.[0-9]+)?\b/,/^n\b/,/^\|\|/,/^&&/,/^\?/,/^:/,/^<=/,/^>=/,/^</,/^>/,/^!=/,/^==/,/^%/,/^\(/,/^\)/,/^$/,/^./];
lexer.conditions = {"INITIAL":{"rules":[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17],"inclusive":true}};return lexer;})()
parser.lexer = lexer;
return parser;
})();
// End parser

  // Handle node, amd, and global systems
  if (true) {
    if (typeof module !== 'undefined' && module.exports) {
      exports = module.exports = Jed;
    }
    exports.Jed = Jed;
  }
  else {}

})(this);


/***/ }),

/***/ "./node_modules/lodash/_Symbol.js":
/*!****************************************!*\
  !*** ./node_modules/lodash/_Symbol.js ***!
  \****************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var root = __webpack_require__(/*! ./_root */ "./node_modules/lodash/_root.js");

/** Built-in value references. */
var Symbol = root.Symbol;

module.exports = Symbol;


/***/ }),

/***/ "./node_modules/lodash/_arrayMap.js":
/*!******************************************!*\
  !*** ./node_modules/lodash/_arrayMap.js ***!
  \******************************************/
/*! no static exports found */
/***/ (function(module, exports) {

/**
 * A specialized version of `_.map` for arrays without support for iteratee
 * shorthands.
 *
 * @private
 * @param {Array} [array] The array to iterate over.
 * @param {Function} iteratee The function invoked per iteration.
 * @returns {Array} Returns the new mapped array.
 */
function arrayMap(array, iteratee) {
  var index = -1,
      length = array == null ? 0 : array.length,
      result = Array(length);

  while (++index < length) {
    result[index] = iteratee(array[index], index, array);
  }
  return result;
}

module.exports = arrayMap;


/***/ }),

/***/ "./node_modules/lodash/_baseGetTag.js":
/*!********************************************!*\
  !*** ./node_modules/lodash/_baseGetTag.js ***!
  \********************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var Symbol = __webpack_require__(/*! ./_Symbol */ "./node_modules/lodash/_Symbol.js"),
    getRawTag = __webpack_require__(/*! ./_getRawTag */ "./node_modules/lodash/_getRawTag.js"),
    objectToString = __webpack_require__(/*! ./_objectToString */ "./node_modules/lodash/_objectToString.js");

/** `Object#toString` result references. */
var nullTag = '[object Null]',
    undefinedTag = '[object Undefined]';

/** Built-in value references. */
var symToStringTag = Symbol ? Symbol.toStringTag : undefined;

/**
 * The base implementation of `getTag` without fallbacks for buggy environments.
 *
 * @private
 * @param {*} value The value to query.
 * @returns {string} Returns the `toStringTag`.
 */
function baseGetTag(value) {
  if (value == null) {
    return value === undefined ? undefinedTag : nullTag;
  }
  return (symToStringTag && symToStringTag in Object(value))
    ? getRawTag(value)
    : objectToString(value);
}

module.exports = baseGetTag;


/***/ }),

/***/ "./node_modules/lodash/_basePropertyOf.js":
/*!************************************************!*\
  !*** ./node_modules/lodash/_basePropertyOf.js ***!
  \************************************************/
/*! no static exports found */
/***/ (function(module, exports) {

/**
 * The base implementation of `_.propertyOf` without support for deep paths.
 *
 * @private
 * @param {Object} object The object to query.
 * @returns {Function} Returns the new accessor function.
 */
function basePropertyOf(object) {
  return function(key) {
    return object == null ? undefined : object[key];
  };
}

module.exports = basePropertyOf;


/***/ }),

/***/ "./node_modules/lodash/_baseToString.js":
/*!**********************************************!*\
  !*** ./node_modules/lodash/_baseToString.js ***!
  \**********************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var Symbol = __webpack_require__(/*! ./_Symbol */ "./node_modules/lodash/_Symbol.js"),
    arrayMap = __webpack_require__(/*! ./_arrayMap */ "./node_modules/lodash/_arrayMap.js"),
    isArray = __webpack_require__(/*! ./isArray */ "./node_modules/lodash/isArray.js"),
    isSymbol = __webpack_require__(/*! ./isSymbol */ "./node_modules/lodash/isSymbol.js");

/** Used as references for various `Number` constants. */
var INFINITY = 1 / 0;

/** Used to convert symbols to primitives and strings. */
var symbolProto = Symbol ? Symbol.prototype : undefined,
    symbolToString = symbolProto ? symbolProto.toString : undefined;

/**
 * The base implementation of `_.toString` which doesn't convert nullish
 * values to empty strings.
 *
 * @private
 * @param {*} value The value to process.
 * @returns {string} Returns the string.
 */
function baseToString(value) {
  // Exit early for strings to avoid a performance hit in some environments.
  if (typeof value == 'string') {
    return value;
  }
  if (isArray(value)) {
    // Recursively convert values (susceptible to call stack limits).
    return arrayMap(value, baseToString) + '';
  }
  if (isSymbol(value)) {
    return symbolToString ? symbolToString.call(value) : '';
  }
  var result = (value + '');
  return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
}

module.exports = baseToString;


/***/ }),

/***/ "./node_modules/lodash/_escapeHtmlChar.js":
/*!************************************************!*\
  !*** ./node_modules/lodash/_escapeHtmlChar.js ***!
  \************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var basePropertyOf = __webpack_require__(/*! ./_basePropertyOf */ "./node_modules/lodash/_basePropertyOf.js");

/** Used to map characters to HTML entities. */
var htmlEscapes = {
  '&': '&amp;',
  '<': '&lt;',
  '>': '&gt;',
  '"': '&quot;',
  "'": '&#39;'
};

/**
 * Used by `_.escape` to convert characters to HTML entities.
 *
 * @private
 * @param {string} chr The matched character to escape.
 * @returns {string} Returns the escaped character.
 */
var escapeHtmlChar = basePropertyOf(htmlEscapes);

module.exports = escapeHtmlChar;


/***/ }),

/***/ "./node_modules/lodash/_freeGlobal.js":
/*!********************************************!*\
  !*** ./node_modules/lodash/_freeGlobal.js ***!
  \********************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

/* WEBPACK VAR INJECTION */(function(global) {/** Detect free variable `global` from Node.js. */
var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;

module.exports = freeGlobal;

/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(/*! ./../webpack/buildin/global.js */ "./node_modules/webpack/buildin/global.js")))

/***/ }),

/***/ "./node_modules/lodash/_getRawTag.js":
/*!*******************************************!*\
  !*** ./node_modules/lodash/_getRawTag.js ***!
  \*******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var Symbol = __webpack_require__(/*! ./_Symbol */ "./node_modules/lodash/_Symbol.js");

/** Used for built-in method references. */
var objectProto = Object.prototype;

/** Used to check objects for own properties. */
var hasOwnProperty = objectProto.hasOwnProperty;

/**
 * Used to resolve the
 * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
 * of values.
 */
var nativeObjectToString = objectProto.toString;

/** Built-in value references. */
var symToStringTag = Symbol ? Symbol.toStringTag : undefined;

/**
 * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.
 *
 * @private
 * @param {*} value The value to query.
 * @returns {string} Returns the raw `toStringTag`.
 */
function getRawTag(value) {
  var isOwn = hasOwnProperty.call(value, symToStringTag),
      tag = value[symToStringTag];

  try {
    value[symToStringTag] = undefined;
    var unmasked = true;
  } catch (e) {}

  var result = nativeObjectToString.call(value);
  if (unmasked) {
    if (isOwn) {
      value[symToStringTag] = tag;
    } else {
      delete value[symToStringTag];
    }
  }
  return result;
}

module.exports = getRawTag;


/***/ }),

/***/ "./node_modules/lodash/_objectToString.js":
/*!************************************************!*\
  !*** ./node_modules/lodash/_objectToString.js ***!
  \************************************************/
/*! no static exports found */
/***/ (function(module, exports) {

/** Used for built-in method references. */
var objectProto = Object.prototype;

/**
 * Used to resolve the
 * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
 * of values.
 */
var nativeObjectToString = objectProto.toString;

/**
 * Converts `value` to a string using `Object.prototype.toString`.
 *
 * @private
 * @param {*} value The value to convert.
 * @returns {string} Returns the converted string.
 */
function objectToString(value) {
  return nativeObjectToString.call(value);
}

module.exports = objectToString;


/***/ }),

/***/ "./node_modules/lodash/_root.js":
/*!**************************************!*\
  !*** ./node_modules/lodash/_root.js ***!
  \**************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var freeGlobal = __webpack_require__(/*! ./_freeGlobal */ "./node_modules/lodash/_freeGlobal.js");

/** Detect free variable `self`. */
var freeSelf = typeof self == 'object' && self && self.Object === Object && self;

/** Used as a reference to the global object. */
var root = freeGlobal || freeSelf || Function('return this')();

module.exports = root;


/***/ }),

/***/ "./node_modules/lodash/escape.js":
/*!***************************************!*\
  !*** ./node_modules/lodash/escape.js ***!
  \***************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var escapeHtmlChar = __webpack_require__(/*! ./_escapeHtmlChar */ "./node_modules/lodash/_escapeHtmlChar.js"),
    toString = __webpack_require__(/*! ./toString */ "./node_modules/lodash/toString.js");

/** Used to match HTML entities and HTML characters. */
var reUnescapedHtml = /[&<>"']/g,
    reHasUnescapedHtml = RegExp(reUnescapedHtml.source);

/**
 * Converts the characters "&", "<", ">", '"', and "'" in `string` to their
 * corresponding HTML entities.
 *
 * **Note:** No other characters are escaped. To escape additional
 * characters use a third-party library like [_he_](https://mths.be/he).
 *
 * Though the ">" character is escaped for symmetry, characters like
 * ">" and "/" don't need escaping in HTML and have no special meaning
 * unless they're part of a tag or unquoted attribute value. See
 * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)
 * (under "semi-related fun fact") for more details.
 *
 * When working with HTML you should always
 * [quote attribute values](http://wonko.com/post/html-escaping) to reduce
 * XSS vectors.
 *
 * @static
 * @since 0.1.0
 * @memberOf _
 * @category String
 * @param {string} [string=''] The string to escape.
 * @returns {string} Returns the escaped string.
 * @example
 *
 * _.escape('fred, barney, & pebbles');
 * // => 'fred, barney, &amp; pebbles'
 */
function escape(string) {
  string = toString(string);
  return (string && reHasUnescapedHtml.test(string))
    ? string.replace(reUnescapedHtml, escapeHtmlChar)
    : string;
}

module.exports = escape;


/***/ }),

/***/ "./node_modules/lodash/isArray.js":
/*!****************************************!*\
  !*** ./node_modules/lodash/isArray.js ***!
  \****************************************/
/*! no static exports found */
/***/ (function(module, exports) {

/**
 * Checks if `value` is classified as an `Array` object.
 *
 * @static
 * @memberOf _
 * @since 0.1.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is an array, else `false`.
 * @example
 *
 * _.isArray([1, 2, 3]);
 * // => true
 *
 * _.isArray(document.body.children);
 * // => false
 *
 * _.isArray('abc');
 * // => false
 *
 * _.isArray(_.noop);
 * // => false
 */
var isArray = Array.isArray;

module.exports = isArray;


/***/ }),

/***/ "./node_modules/lodash/isObjectLike.js":
/*!*********************************************!*\
  !*** ./node_modules/lodash/isObjectLike.js ***!
  \*********************************************/
/*! no static exports found */
/***/ (function(module, exports) {

/**
 * Checks if `value` is object-like. A value is object-like if it's not `null`
 * and has a `typeof` result of "object".
 *
 * @static
 * @memberOf _
 * @since 4.0.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
 * @example
 *
 * _.isObjectLike({});
 * // => true
 *
 * _.isObjectLike([1, 2, 3]);
 * // => true
 *
 * _.isObjectLike(_.noop);
 * // => false
 *
 * _.isObjectLike(null);
 * // => false
 */
function isObjectLike(value) {
  return value != null && typeof value == 'object';
}

module.exports = isObjectLike;


/***/ }),

/***/ "./node_modules/lodash/isSymbol.js":
/*!*****************************************!*\
  !*** ./node_modules/lodash/isSymbol.js ***!
  \*****************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var baseGetTag = __webpack_require__(/*! ./_baseGetTag */ "./node_modules/lodash/_baseGetTag.js"),
    isObjectLike = __webpack_require__(/*! ./isObjectLike */ "./node_modules/lodash/isObjectLike.js");

/** `Object#toString` result references. */
var symbolTag = '[object Symbol]';

/**
 * Checks if `value` is classified as a `Symbol` primitive or object.
 *
 * @static
 * @memberOf _
 * @since 4.0.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.
 * @example
 *
 * _.isSymbol(Symbol.iterator);
 * // => true
 *
 * _.isSymbol('abc');
 * // => false
 */
function isSymbol(value) {
  return typeof value == 'symbol' ||
    (isObjectLike(value) && baseGetTag(value) == symbolTag);
}

module.exports = isSymbol;


/***/ }),

/***/ "./node_modules/lodash/lodash.js":
/*!***************************************!*\
  !*** ./node_modules/lodash/lodash.js ***!
  \***************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

/* WEBPACK VAR INJECTION */(function(global, module) {var __WEBPACK_AMD_DEFINE_RESULT__;/**
 * @license
 * Lodash <https://lodash.com/>
 * Copyright JS Foundation and other contributors <https://js.foundation/>
 * Released under MIT license <https://lodash.com/license>
 * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
 * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 */
;(function() {

  /** Used as a safe reference for `undefined` in pre-ES5 environments. */
  var undefined;

  /** Used as the semantic version number. */
  var VERSION = '4.17.10';

  /** Used as the size to enable large array optimizations. */
  var LARGE_ARRAY_SIZE = 200;

  /** Error message constants. */
  var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',
      FUNC_ERROR_TEXT = 'Expected a function';

  /** Used to stand-in for `undefined` hash values. */
  var HASH_UNDEFINED = '__lodash_hash_undefined__';

  /** Used as the maximum memoize cache size. */
  var MAX_MEMOIZE_SIZE = 500;

  /** Used as the internal argument placeholder. */
  var PLACEHOLDER = '__lodash_placeholder__';

  /** Used to compose bitmasks for cloning. */
  var CLONE_DEEP_FLAG = 1,
      CLONE_FLAT_FLAG = 2,
      CLONE_SYMBOLS_FLAG = 4;

  /** Used to compose bitmasks for value comparisons. */
  var COMPARE_PARTIAL_FLAG = 1,
      COMPARE_UNORDERED_FLAG = 2;

  /** Used to compose bitmasks for function metadata. */
  var WRAP_BIND_FLAG = 1,
      WRAP_BIND_KEY_FLAG = 2,
      WRAP_CURRY_BOUND_FLAG = 4,
      WRAP_CURRY_FLAG = 8,
      WRAP_CURRY_RIGHT_FLAG = 16,
      WRAP_PARTIAL_FLAG = 32,
      WRAP_PARTIAL_RIGHT_FLAG = 64,
      WRAP_ARY_FLAG = 128,
      WRAP_REARG_FLAG = 256,
      WRAP_FLIP_FLAG = 512;

  /** Used as default options for `_.truncate`. */
  var DEFAULT_TRUNC_LENGTH = 30,
      DEFAULT_TRUNC_OMISSION = '...';

  /** Used to detect hot functions by number of calls within a span of milliseconds. */
  var HOT_COUNT = 800,
      HOT_SPAN = 16;

  /** Used to indicate the type of lazy iteratees. */
  var LAZY_FILTER_FLAG = 1,
      LAZY_MAP_FLAG = 2,
      LAZY_WHILE_FLAG = 3;

  /** Used as references for various `Number` constants. */
  var INFINITY = 1 / 0,
      MAX_SAFE_INTEGER = 9007199254740991,
      MAX_INTEGER = 1.7976931348623157e+308,
      NAN = 0 / 0;

  /** Used as references for the maximum length and index of an array. */
  var MAX_ARRAY_LENGTH = 4294967295,
      MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,
      HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;

  /** Used to associate wrap methods with their bit flags. */
  var wrapFlags = [
    ['ary', WRAP_ARY_FLAG],
    ['bind', WRAP_BIND_FLAG],
    ['bindKey', WRAP_BIND_KEY_FLAG],
    ['curry', WRAP_CURRY_FLAG],
    ['curryRight', WRAP_CURRY_RIGHT_FLAG],
    ['flip', WRAP_FLIP_FLAG],
    ['partial', WRAP_PARTIAL_FLAG],
    ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],
    ['rearg', WRAP_REARG_FLAG]
  ];

  /** `Object#toString` result references. */
  var argsTag = '[object Arguments]',
      arrayTag = '[object Array]',
      asyncTag = '[object AsyncFunction]',
      boolTag = '[object Boolean]',
      dateTag = '[object Date]',
      domExcTag = '[object DOMException]',
      errorTag = '[object Error]',
      funcTag = '[object Function]',
      genTag = '[object GeneratorFunction]',
      mapTag = '[object Map]',
      numberTag = '[object Number]',
      nullTag = '[object Null]',
      objectTag = '[object Object]',
      promiseTag = '[object Promise]',
      proxyTag = '[object Proxy]',
      regexpTag = '[object RegExp]',
      setTag = '[object Set]',
      stringTag = '[object String]',
      symbolTag = '[object Symbol]',
      undefinedTag = '[object Undefined]',
      weakMapTag = '[object WeakMap]',
      weakSetTag = '[object WeakSet]';

  var arrayBufferTag = '[object ArrayBuffer]',
      dataViewTag = '[object DataView]',
      float32Tag = '[object Float32Array]',
      float64Tag = '[object Float64Array]',
      int8Tag = '[object Int8Array]',
      int16Tag = '[object Int16Array]',
      int32Tag = '[object Int32Array]',
      uint8Tag = '[object Uint8Array]',
      uint8ClampedTag = '[object Uint8ClampedArray]',
      uint16Tag = '[object Uint16Array]',
      uint32Tag = '[object Uint32Array]';

  /** Used to match empty string literals in compiled template source. */
  var reEmptyStringLeading = /\b__p \+= '';/g,
      reEmptyStringMiddle = /\b(__p \+=) '' \+/g,
      reEmptyStringTrailing = /(__e\(.*?\)|\b__t\)) \+\n'';/g;

  /** Used to match HTML entities and HTML characters. */
  var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,
      reUnescapedHtml = /[&<>"']/g,
      reHasEscapedHtml = RegExp(reEscapedHtml.source),
      reHasUnescapedHtml = RegExp(reUnescapedHtml.source);

  /** Used to match template delimiters. */
  var reEscape = /<%-([\s\S]+?)%>/g,
      reEvaluate = /<%([\s\S]+?)%>/g,
      reInterpolate = /<%=([\s\S]+?)%>/g;

  /** Used to match property names within property paths. */
  var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/,
      reIsPlainProp = /^\w*$/,
      rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|$))/g;

  /**
   * Used to match `RegExp`
   * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
   */
  var reRegExpChar = /[\\^$.*+?()[\]{}|]/g,
      reHasRegExpChar = RegExp(reRegExpChar.source);

  /** Used to match leading and trailing whitespace. */
  var reTrim = /^\s+|\s+$/g,
      reTrimStart = /^\s+/,
      reTrimEnd = /\s+$/;

  /** Used to match wrap detail comments. */
  var reWrapComment = /\{(?:\n\/\* \[wrapped with .+\] \*\/)?\n?/,
      reWrapDetails = /\{\n\/\* \[wrapped with (.+)\] \*/,
      reSplitDetails = /,? & /;

  /** Used to match words composed of alphanumeric characters. */
  var reAsciiWord = /[^\x00-\x2f\x3a-\x40\x5b-\x60\x7b-\x7f]+/g;

  /** Used to match backslashes in property paths. */
  var reEscapeChar = /\\(\\)?/g;

  /**
   * Used to match
   * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).
   */
  var reEsTemplate = /\$\{([^\\}]*(?:\\.[^\\}]*)*)\}/g;

  /** Used to match `RegExp` flags from their coerced string values. */
  var reFlags = /\w*$/;

  /** Used to detect bad signed hexadecimal string values. */
  var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;

  /** Used to detect binary string values. */
  var reIsBinary = /^0b[01]+$/i;

  /** Used to detect host constructors (Safari). */
  var reIsHostCtor = /^\[object .+?Constructor\]$/;

  /** Used to detect octal string values. */
  var reIsOctal = /^0o[0-7]+$/i;

  /** Used to detect unsigned integer values. */
  var reIsUint = /^(?:0|[1-9]\d*)$/;

  /** Used to match Latin Unicode letters (excluding mathematical operators). */
  var reLatin = /[\xc0-\xd6\xd8-\xf6\xf8-\xff\u0100-\u017f]/g;

  /** Used to ensure capturing order of template delimiters. */
  var reNoMatch = /($^)/;

  /** Used to match unescaped characters in compiled string literals. */
  var reUnescapedString = /['\n\r\u2028\u2029\\]/g;

  /** Used to compose unicode character classes. */
  var rsAstralRange = '\\ud800-\\udfff',
      rsComboMarksRange = '\\u0300-\\u036f',
      reComboHalfMarksRange = '\\ufe20-\\ufe2f',
      rsComboSymbolsRange = '\\u20d0-\\u20ff',
      rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,
      rsDingbatRange = '\\u2700-\\u27bf',
      rsLowerRange = 'a-z\\xdf-\\xf6\\xf8-\\xff',
      rsMathOpRange = '\\xac\\xb1\\xd7\\xf7',
      rsNonCharRange = '\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\xbf',
      rsPunctuationRange = '\\u2000-\\u206f',
      rsSpaceRange = ' \\t\\x0b\\f\\xa0\\ufeff\\n\\r\\u2028\\u2029\\u1680\\u180e\\u2000\\u2001\\u2002\\u2003\\u2004\\u2005\\u2006\\u2007\\u2008\\u2009\\u200a\\u202f\\u205f\\u3000',
      rsUpperRange = 'A-Z\\xc0-\\xd6\\xd8-\\xde',
      rsVarRange = '\\ufe0e\\ufe0f',
      rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;

  /** Used to compose unicode capture groups. */
  var rsApos = "['\u2019]",
      rsAstral = '[' + rsAstralRange + ']',
      rsBreak = '[' + rsBreakRange + ']',
      rsCombo = '[' + rsComboRange + ']',
      rsDigits = '\\d+',
      rsDingbat = '[' + rsDingbatRange + ']',
      rsLower = '[' + rsLowerRange + ']',
      rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',
      rsFitz = '\\ud83c[\\udffb-\\udfff]',
      rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',
      rsNonAstral = '[^' + rsAstralRange + ']',
      rsRegional = '(?:\\ud83c[\\udde6-\\uddff]){2}',
      rsSurrPair = '[\\ud800-\\udbff][\\udc00-\\udfff]',
      rsUpper = '[' + rsUpperRange + ']',
      rsZWJ = '\\u200d';

  /** Used to compose unicode regexes. */
  var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',
      rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',
      rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',
      rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',
      reOptMod = rsModifier + '?',
      rsOptVar = '[' + rsVarRange + ']?',
      rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',
      rsOrdLower = '\\d*(?:1st|2nd|3rd|(?![123])\\dth)(?=\\b|[A-Z_])',
      rsOrdUpper = '\\d*(?:1ST|2ND|3RD|(?![123])\\dTH)(?=\\b|[a-z_])',
      rsSeq = rsOptVar + reOptMod + rsOptJoin,
      rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,
      rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';

  /** Used to match apostrophes. */
  var reApos = RegExp(rsApos, 'g');

  /**
   * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and
   * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).
   */
  var reComboMark = RegExp(rsCombo, 'g');

  /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */
  var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');

  /** Used to match complex or compound words. */
  var reUnicodeWord = RegExp([
    rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',
    rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',
    rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,
    rsUpper + '+' + rsOptContrUpper,
    rsOrdUpper,
    rsOrdLower,
    rsDigits,
    rsEmoji
  ].join('|'), 'g');

  /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */
  var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');

  /** Used to detect strings that need a more robust regexp to match words. */
  var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2,}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;

  /** Used to assign default `context` object properties. */
  var contextProps = [
    'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',
    'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',
    'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',
    'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',
    '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'
  ];

  /** Used to make template sourceURLs easier to identify. */
  var templateCounter = -1;

  /** Used to identify `toStringTag` values of typed arrays. */
  var typedArrayTags = {};
  typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =
  typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =
  typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =
  typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =
  typedArrayTags[uint32Tag] = true;
  typedArrayTags[argsTag] = typedArrayTags[arrayTag] =
  typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =
  typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =
  typedArrayTags[errorTag] = typedArrayTags[funcTag] =
  typedArrayTags[mapTag] = typedArrayTags[numberTag] =
  typedArrayTags[objectTag] = typedArrayTags[regexpTag] =
  typedArrayTags[setTag] = typedArrayTags[stringTag] =
  typedArrayTags[weakMapTag] = false;

  /** Used to identify `toStringTag` values supported by `_.clone`. */
  var cloneableTags = {};
  cloneableTags[argsTag] = cloneableTags[arrayTag] =
  cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =
  cloneableTags[boolTag] = cloneableTags[dateTag] =
  cloneableTags[float32Tag] = cloneableTags[float64Tag] =
  cloneableTags[int8Tag] = cloneableTags[int16Tag] =
  cloneableTags[int32Tag] = cloneableTags[mapTag] =
  cloneableTags[numberTag] = cloneableTags[objectTag] =
  cloneableTags[regexpTag] = cloneableTags[setTag] =
  cloneableTags[stringTag] = cloneableTags[symbolTag] =
  cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =
  cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;
  cloneableTags[errorTag] = cloneableTags[funcTag] =
  cloneableTags[weakMapTag] = false;

  /** Used to map Latin Unicode letters to basic Latin letters. */
  var deburredLetters = {
    // Latin-1 Supplement block.
    '\xc0': 'A',  '\xc1': 'A', '\xc2': 'A', '\xc3': 'A', '\xc4': 'A', '\xc5': 'A',
    '\xe0': 'a',  '\xe1': 'a', '\xe2': 'a', '\xe3': 'a', '\xe4': 'a', '\xe5': 'a',
    '\xc7': 'C',  '\xe7': 'c',
    '\xd0': 'D',  '\xf0': 'd',
    '\xc8': 'E',  '\xc9': 'E', '\xca': 'E', '\xcb': 'E',
    '\xe8': 'e',  '\xe9': 'e', '\xea': 'e', '\xeb': 'e',
    '\xcc': 'I',  '\xcd': 'I', '\xce': 'I', '\xcf': 'I',
    '\xec': 'i',  '\xed': 'i', '\xee': 'i', '\xef': 'i',
    '\xd1': 'N',  '\xf1': 'n',
    '\xd2': 'O',  '\xd3': 'O', '\xd4': 'O', '\xd5': 'O', '\xd6': 'O', '\xd8': 'O',
    '\xf2': 'o',  '\xf3': 'o', '\xf4': 'o', '\xf5': 'o', '\xf6': 'o', '\xf8': 'o',
    '\xd9': 'U',  '\xda': 'U', '\xdb': 'U', '\xdc': 'U',
    '\xf9': 'u',  '\xfa': 'u', '\xfb': 'u', '\xfc': 'u',
    '\xdd': 'Y',  '\xfd': 'y', '\xff': 'y',
    '\xc6': 'Ae', '\xe6': 'ae',
    '\xde': 'Th', '\xfe': 'th',
    '\xdf': 'ss',
    // Latin Extended-A block.
    '\u0100': 'A',  '\u0102': 'A', '\u0104': 'A',
    '\u0101': 'a',  '\u0103': 'a', '\u0105': 'a',
    '\u0106': 'C',  '\u0108': 'C', '\u010a': 'C', '\u010c': 'C',
    '\u0107': 'c',  '\u0109': 'c', '\u010b': 'c', '\u010d': 'c',
    '\u010e': 'D',  '\u0110': 'D', '\u010f': 'd', '\u0111': 'd',
    '\u0112': 'E',  '\u0114': 'E', '\u0116': 'E', '\u0118': 'E', '\u011a': 'E',
    '\u0113': 'e',  '\u0115': 'e', '\u0117': 'e', '\u0119': 'e', '\u011b': 'e',
    '\u011c': 'G',  '\u011e': 'G', '\u0120': 'G', '\u0122': 'G',
    '\u011d': 'g',  '\u011f': 'g', '\u0121': 'g', '\u0123': 'g',
    '\u0124': 'H',  '\u0126': 'H', '\u0125': 'h', '\u0127': 'h',
    '\u0128': 'I',  '\u012a': 'I', '\u012c': 'I', '\u012e': 'I', '\u0130': 'I',
    '\u0129': 'i',  '\u012b': 'i', '\u012d': 'i', '\u012f': 'i', '\u0131': 'i',
    '\u0134': 'J',  '\u0135': 'j',
    '\u0136': 'K',  '\u0137': 'k', '\u0138': 'k',
    '\u0139': 'L',  '\u013b': 'L', '\u013d': 'L', '\u013f': 'L', '\u0141': 'L',
    '\u013a': 'l',  '\u013c': 'l', '\u013e': 'l', '\u0140': 'l', '\u0142': 'l',
    '\u0143': 'N',  '\u0145': 'N', '\u0147': 'N', '\u014a': 'N',
    '\u0144': 'n',  '\u0146': 'n', '\u0148': 'n', '\u014b': 'n',
    '\u014c': 'O',  '\u014e': 'O', '\u0150': 'O',
    '\u014d': 'o',  '\u014f': 'o', '\u0151': 'o',
    '\u0154': 'R',  '\u0156': 'R', '\u0158': 'R',
    '\u0155': 'r',  '\u0157': 'r', '\u0159': 'r',
    '\u015a': 'S',  '\u015c': 'S', '\u015e': 'S', '\u0160': 'S',
    '\u015b': 's',  '\u015d': 's', '\u015f': 's', '\u0161': 's',
    '\u0162': 'T',  '\u0164': 'T', '\u0166': 'T',
    '\u0163': 't',  '\u0165': 't', '\u0167': 't',
    '\u0168': 'U',  '\u016a': 'U', '\u016c': 'U', '\u016e': 'U', '\u0170': 'U', '\u0172': 'U',
    '\u0169': 'u',  '\u016b': 'u', '\u016d': 'u', '\u016f': 'u', '\u0171': 'u', '\u0173': 'u',
    '\u0174': 'W',  '\u0175': 'w',
    '\u0176': 'Y',  '\u0177': 'y', '\u0178': 'Y',
    '\u0179': 'Z',  '\u017b': 'Z', '\u017d': 'Z',
    '\u017a': 'z',  '\u017c': 'z', '\u017e': 'z',
    '\u0132': 'IJ', '\u0133': 'ij',
    '\u0152': 'Oe', '\u0153': 'oe',
    '\u0149': "'n", '\u017f': 's'
  };

  /** Used to map characters to HTML entities. */
  var htmlEscapes = {
    '&': '&amp;',
    '<': '&lt;',
    '>': '&gt;',
    '"': '&quot;',
    "'": '&#39;'
  };

  /** Used to map HTML entities to characters. */
  var htmlUnescapes = {
    '&amp;': '&',
    '&lt;': '<',
    '&gt;': '>',
    '&quot;': '"',
    '&#39;': "'"
  };

  /** Used to escape characters for inclusion in compiled string literals. */
  var stringEscapes = {
    '\\': '\\',
    "'": "'",
    '\n': 'n',
    '\r': 'r',
    '\u2028': 'u2028',
    '\u2029': 'u2029'
  };

  /** Built-in method references without a dependency on `root`. */
  var freeParseFloat = parseFloat,
      freeParseInt = parseInt;

  /** Detect free variable `global` from Node.js. */
  var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;

  /** Detect free variable `self`. */
  var freeSelf = typeof self == 'object' && self && self.Object === Object && self;

  /** Used as a reference to the global object. */
  var root = freeGlobal || freeSelf || Function('return this')();

  /** Detect free variable `exports`. */
  var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;

  /** Detect free variable `module`. */
  var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;

  /** Detect the popular CommonJS extension `module.exports`. */
  var moduleExports = freeModule && freeModule.exports === freeExports;

  /** Detect free variable `process` from Node.js. */
  var freeProcess = moduleExports && freeGlobal.process;

  /** Used to access faster Node.js helpers. */
  var nodeUtil = (function() {
    try {
      // Use `util.types` for Node.js 10+.
      var types = freeModule && freeModule.require && freeModule.require('util').types;

      if (types) {
        return types;
      }

      // Legacy `process.binding('util')` for Node.js < 10.
      return freeProcess && freeProcess.binding && freeProcess.binding('util');
    } catch (e) {}
  }());

  /* Node.js helper references. */
  var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,
      nodeIsDate = nodeUtil && nodeUtil.isDate,
      nodeIsMap = nodeUtil && nodeUtil.isMap,
      nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,
      nodeIsSet = nodeUtil && nodeUtil.isSet,
      nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;

  /*--------------------------------------------------------------------------*/

  /**
   * A faster alternative to `Function#apply`, this function invokes `func`
   * with the `this` binding of `thisArg` and the arguments of `args`.
   *
   * @private
   * @param {Function} func The function to invoke.
   * @param {*} thisArg The `this` binding of `func`.
   * @param {Array} args The arguments to invoke `func` with.
   * @returns {*} Returns the result of `func`.
   */
  function apply(func, thisArg, args) {
    switch (args.length) {
      case 0: return func.call(thisArg);
      case 1: return func.call(thisArg, args[0]);
      case 2: return func.call(thisArg, args[0], args[1]);
      case 3: return func.call(thisArg, args[0], args[1], args[2]);
    }
    return func.apply(thisArg, args);
  }

  /**
   * A specialized version of `baseAggregator` for arrays.
   *
   * @private
   * @param {Array} [array] The array to iterate over.
   * @param {Function} setter The function to set `accumulator` values.
   * @param {Function} iteratee The iteratee to transform keys.
   * @param {Object} accumulator The initial aggregated object.
   * @returns {Function} Returns `accumulator`.
   */
  function arrayAggregator(array, setter, iteratee, accumulator) {
    var index = -1,
        length = array == null ? 0 : array.length;

    while (++index < length) {
      var value = array[index];
      setter(accumulator, value, iteratee(value), array);
    }
    return accumulator;
  }

  /**
   * A specialized version of `_.forEach` for arrays without support for
   * iteratee shorthands.
   *
   * @private
   * @param {Array} [array] The array to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @returns {Array} Returns `array`.
   */
  function arrayEach(array, iteratee) {
    var index = -1,
        length = array == null ? 0 : array.length;

    while (++index < length) {
      if (iteratee(array[index], index, array) === false) {
        break;
      }
    }
    return array;
  }

  /**
   * A specialized version of `_.forEachRight` for arrays without support for
   * iteratee shorthands.
   *
   * @private
   * @param {Array} [array] The array to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @returns {Array} Returns `array`.
   */
  function arrayEachRight(array, iteratee) {
    var length = array == null ? 0 : array.length;

    while (length--) {
      if (iteratee(array[length], length, array) === false) {
        break;
      }
    }
    return array;
  }

  /**
   * A specialized version of `_.every` for arrays without support for
   * iteratee shorthands.
   *
   * @private
   * @param {Array} [array] The array to iterate over.
   * @param {Function} predicate The function invoked per iteration.
   * @returns {boolean} Returns `true` if all elements pass the predicate check,
   *  else `false`.
   */
  function arrayEvery(array, predicate) {
    var index = -1,
        length = array == null ? 0 : array.length;

    while (++index < length) {
      if (!predicate(array[index], index, array)) {
        return false;
      }
    }
    return true;
  }

  /**
   * A specialized version of `_.filter` for arrays without support for
   * iteratee shorthands.
   *
   * @private
   * @param {Array} [array] The array to iterate over.
   * @param {Function} predicate The function invoked per iteration.
   * @returns {Array} Returns the new filtered array.
   */
  function arrayFilter(array, predicate) {
    var index = -1,
        length = array == null ? 0 : array.length,
        resIndex = 0,
        result = [];

    while (++index < length) {
      var value = array[index];
      if (predicate(value, index, array)) {
        result[resIndex++] = value;
      }
    }
    return result;
  }

  /**
   * A specialized version of `_.includes` for arrays without support for
   * specifying an index to search from.
   *
   * @private
   * @param {Array} [array] The array to inspect.
   * @param {*} target The value to search for.
   * @returns {boolean} Returns `true` if `target` is found, else `false`.
   */
  function arrayIncludes(array, value) {
    var length = array == null ? 0 : array.length;
    return !!length && baseIndexOf(array, value, 0) > -1;
  }

  /**
   * This function is like `arrayIncludes` except that it accepts a comparator.
   *
   * @private
   * @param {Array} [array] The array to inspect.
   * @param {*} target The value to search for.
   * @param {Function} comparator The comparator invoked per element.
   * @returns {boolean} Returns `true` if `target` is found, else `false`.
   */
  function arrayIncludesWith(array, value, comparator) {
    var index = -1,
        length = array == null ? 0 : array.length;

    while (++index < length) {
      if (comparator(value, array[index])) {
        return true;
      }
    }
    return false;
  }

  /**
   * A specialized version of `_.map` for arrays without support for iteratee
   * shorthands.
   *
   * @private
   * @param {Array} [array] The array to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @returns {Array} Returns the new mapped array.
   */
  function arrayMap(array, iteratee) {
    var index = -1,
        length = array == null ? 0 : array.length,
        result = Array(length);

    while (++index < length) {
      result[index] = iteratee(array[index], index, array);
    }
    return result;
  }

  /**
   * Appends the elements of `values` to `array`.
   *
   * @private
   * @param {Array} array The array to modify.
   * @param {Array} values The values to append.
   * @returns {Array} Returns `array`.
   */
  function arrayPush(array, values) {
    var index = -1,
        length = values.length,
        offset = array.length;

    while (++index < length) {
      array[offset + index] = values[index];
    }
    return array;
  }

  /**
   * A specialized version of `_.reduce` for arrays without support for
   * iteratee shorthands.
   *
   * @private
   * @param {Array} [array] The array to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @param {*} [accumulator] The initial value.
   * @param {boolean} [initAccum] Specify using the first element of `array` as
   *  the initial value.
   * @returns {*} Returns the accumulated value.
   */
  function arrayReduce(array, iteratee, accumulator, initAccum) {
    var index = -1,
        length = array == null ? 0 : array.length;

    if (initAccum && length) {
      accumulator = array[++index];
    }
    while (++index < length) {
      accumulator = iteratee(accumulator, array[index], index, array);
    }
    return accumulator;
  }

  /**
   * A specialized version of `_.reduceRight` for arrays without support for
   * iteratee shorthands.
   *
   * @private
   * @param {Array} [array] The array to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @param {*} [accumulator] The initial value.
   * @param {boolean} [initAccum] Specify using the last element of `array` as
   *  the initial value.
   * @returns {*} Returns the accumulated value.
   */
  function arrayReduceRight(array, iteratee, accumulator, initAccum) {
    var length = array == null ? 0 : array.length;
    if (initAccum && length) {
      accumulator = array[--length];
    }
    while (length--) {
      accumulator = iteratee(accumulator, array[length], length, array);
    }
    return accumulator;
  }

  /**
   * A specialized version of `_.some` for arrays without support for iteratee
   * shorthands.
   *
   * @private
   * @param {Array} [array] The array to iterate over.
   * @param {Function} predicate The function invoked per iteration.
   * @returns {boolean} Returns `true` if any element passes the predicate check,
   *  else `false`.
   */
  function arraySome(array, predicate) {
    var index = -1,
        length = array == null ? 0 : array.length;

    while (++index < length) {
      if (predicate(array[index], index, array)) {
        return true;
      }
    }
    return false;
  }

  /**
   * Gets the size of an ASCII `string`.
   *
   * @private
   * @param {string} string The string inspect.
   * @returns {number} Returns the string size.
   */
  var asciiSize = baseProperty('length');

  /**
   * Converts an ASCII `string` to an array.
   *
   * @private
   * @param {string} string The string to convert.
   * @returns {Array} Returns the converted array.
   */
  function asciiToArray(string) {
    return string.split('');
  }

  /**
   * Splits an ASCII `string` into an array of its words.
   *
   * @private
   * @param {string} The string to inspect.
   * @returns {Array} Returns the words of `string`.
   */
  function asciiWords(string) {
    return string.match(reAsciiWord) || [];
  }

  /**
   * The base implementation of methods like `_.findKey` and `_.findLastKey`,
   * without support for iteratee shorthands, which iterates over `collection`
   * using `eachFunc`.
   *
   * @private
   * @param {Array|Object} collection The collection to inspect.
   * @param {Function} predicate The function invoked per iteration.
   * @param {Function} eachFunc The function to iterate over `collection`.
   * @returns {*} Returns the found element or its key, else `undefined`.
   */
  function baseFindKey(collection, predicate, eachFunc) {
    var result;
    eachFunc(collection, function(value, key, collection) {
      if (predicate(value, key, collection)) {
        result = key;
        return false;
      }
    });
    return result;
  }

  /**
   * The base implementation of `_.findIndex` and `_.findLastIndex` without
   * support for iteratee shorthands.
   *
   * @private
   * @param {Array} array The array to inspect.
   * @param {Function} predicate The function invoked per iteration.
   * @param {number} fromIndex The index to search from.
   * @param {boolean} [fromRight] Specify iterating from right to left.
   * @returns {number} Returns the index of the matched value, else `-1`.
   */
  function baseFindIndex(array, predicate, fromIndex, fromRight) {
    var length = array.length,
        index = fromIndex + (fromRight ? 1 : -1);

    while ((fromRight ? index-- : ++index < length)) {
      if (predicate(array[index], index, array)) {
        return index;
      }
    }
    return -1;
  }

  /**
   * The base implementation of `_.indexOf` without `fromIndex` bounds checks.
   *
   * @private
   * @param {Array} array The array to inspect.
   * @param {*} value The value to search for.
   * @param {number} fromIndex The index to search from.
   * @returns {number} Returns the index of the matched value, else `-1`.
   */
  function baseIndexOf(array, value, fromIndex) {
    return value === value
      ? strictIndexOf(array, value, fromIndex)
      : baseFindIndex(array, baseIsNaN, fromIndex);
  }

  /**
   * This function is like `baseIndexOf` except that it accepts a comparator.
   *
   * @private
   * @param {Array} array The array to inspect.
   * @param {*} value The value to search for.
   * @param {number} fromIndex The index to search from.
   * @param {Function} comparator The comparator invoked per element.
   * @returns {number} Returns the index of the matched value, else `-1`.
   */
  function baseIndexOfWith(array, value, fromIndex, comparator) {
    var index = fromIndex - 1,
        length = array.length;

    while (++index < length) {
      if (comparator(array[index], value)) {
        return index;
      }
    }
    return -1;
  }

  /**
   * The base implementation of `_.isNaN` without support for number objects.
   *
   * @private
   * @param {*} value The value to check.
   * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.
   */
  function baseIsNaN(value) {
    return value !== value;
  }

  /**
   * The base implementation of `_.mean` and `_.meanBy` without support for
   * iteratee shorthands.
   *
   * @private
   * @param {Array} array The array to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @returns {number} Returns the mean.
   */
  function baseMean(array, iteratee) {
    var length = array == null ? 0 : array.length;
    return length ? (baseSum(array, iteratee) / length) : NAN;
  }

  /**
   * The base implementation of `_.property` without support for deep paths.
   *
   * @private
   * @param {string} key The key of the property to get.
   * @returns {Function} Returns the new accessor function.
   */
  function baseProperty(key) {
    return function(object) {
      return object == null ? undefined : object[key];
    };
  }

  /**
   * The base implementation of `_.propertyOf` without support for deep paths.
   *
   * @private
   * @param {Object} object The object to query.
   * @returns {Function} Returns the new accessor function.
   */
  function basePropertyOf(object) {
    return function(key) {
      return object == null ? undefined : object[key];
    };
  }

  /**
   * The base implementation of `_.reduce` and `_.reduceRight`, without support
   * for iteratee shorthands, which iterates over `collection` using `eachFunc`.
   *
   * @private
   * @param {Array|Object} collection The collection to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @param {*} accumulator The initial value.
   * @param {boolean} initAccum Specify using the first or last element of
   *  `collection` as the initial value.
   * @param {Function} eachFunc The function to iterate over `collection`.
   * @returns {*} Returns the accumulated value.
   */
  function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {
    eachFunc(collection, function(value, index, collection) {
      accumulator = initAccum
        ? (initAccum = false, value)
        : iteratee(accumulator, value, index, collection);
    });
    return accumulator;
  }

  /**
   * The base implementation of `_.sortBy` which uses `comparer` to define the
   * sort order of `array` and replaces criteria objects with their corresponding
   * values.
   *
   * @private
   * @param {Array} array The array to sort.
   * @param {Function} comparer The function to define sort order.
   * @returns {Array} Returns `array`.
   */
  function baseSortBy(array, comparer) {
    var length = array.length;

    array.sort(comparer);
    while (length--) {
      array[length] = array[length].value;
    }
    return array;
  }

  /**
   * The base implementation of `_.sum` and `_.sumBy` without support for
   * iteratee shorthands.
   *
   * @private
   * @param {Array} array The array to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @returns {number} Returns the sum.
   */
  function baseSum(array, iteratee) {
    var result,
        index = -1,
        length = array.length;

    while (++index < length) {
      var current = iteratee(array[index]);
      if (current !== undefined) {
        result = result === undefined ? current : (result + current);
      }
    }
    return result;
  }

  /**
   * The base implementation of `_.times` without support for iteratee shorthands
   * or max array length checks.
   *
   * @private
   * @param {number} n The number of times to invoke `iteratee`.
   * @param {Function} iteratee The function invoked per iteration.
   * @returns {Array} Returns the array of results.
   */
  function baseTimes(n, iteratee) {
    var index = -1,
        result = Array(n);

    while (++index < n) {
      result[index] = iteratee(index);
    }
    return result;
  }

  /**
   * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array
   * of key-value pairs for `object` corresponding to the property names of `props`.
   *
   * @private
   * @param {Object} object The object to query.
   * @param {Array} props The property names to get values for.
   * @returns {Object} Returns the key-value pairs.
   */
  function baseToPairs(object, props) {
    return arrayMap(props, function(key) {
      return [key, object[key]];
    });
  }

  /**
   * The base implementation of `_.unary` without support for storing metadata.
   *
   * @private
   * @param {Function} func The function to cap arguments for.
   * @returns {Function} Returns the new capped function.
   */
  function baseUnary(func) {
    return function(value) {
      return func(value);
    };
  }

  /**
   * The base implementation of `_.values` and `_.valuesIn` which creates an
   * array of `object` property values corresponding to the property names
   * of `props`.
   *
   * @private
   * @param {Object} object The object to query.
   * @param {Array} props The property names to get values for.
   * @returns {Object} Returns the array of property values.
   */
  function baseValues(object, props) {
    return arrayMap(props, function(key) {
      return object[key];
    });
  }

  /**
   * Checks if a `cache` value for `key` exists.
   *
   * @private
   * @param {Object} cache The cache to query.
   * @param {string} key The key of the entry to check.
   * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
   */
  function cacheHas(cache, key) {
    return cache.has(key);
  }

  /**
   * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol
   * that is not found in the character symbols.
   *
   * @private
   * @param {Array} strSymbols The string symbols to inspect.
   * @param {Array} chrSymbols The character symbols to find.
   * @returns {number} Returns the index of the first unmatched string symbol.
   */
  function charsStartIndex(strSymbols, chrSymbols) {
    var index = -1,
        length = strSymbols.length;

    while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
    return index;
  }

  /**
   * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol
   * that is not found in the character symbols.
   *
   * @private
   * @param {Array} strSymbols The string symbols to inspect.
   * @param {Array} chrSymbols The character symbols to find.
   * @returns {number} Returns the index of the last unmatched string symbol.
   */
  function charsEndIndex(strSymbols, chrSymbols) {
    var index = strSymbols.length;

    while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
    return index;
  }

  /**
   * Gets the number of `placeholder` occurrences in `array`.
   *
   * @private
   * @param {Array} array The array to inspect.
   * @param {*} placeholder The placeholder to search for.
   * @returns {number} Returns the placeholder count.
   */
  function countHolders(array, placeholder) {
    var length = array.length,
        result = 0;

    while (length--) {
      if (array[length] === placeholder) {
        ++result;
      }
    }
    return result;
  }

  /**
   * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A
   * letters to basic Latin letters.
   *
   * @private
   * @param {string} letter The matched letter to deburr.
   * @returns {string} Returns the deburred letter.
   */
  var deburrLetter = basePropertyOf(deburredLetters);

  /**
   * Used by `_.escape` to convert characters to HTML entities.
   *
   * @private
   * @param {string} chr The matched character to escape.
   * @returns {string} Returns the escaped character.
   */
  var escapeHtmlChar = basePropertyOf(htmlEscapes);

  /**
   * Used by `_.template` to escape characters for inclusion in compiled string literals.
   *
   * @private
   * @param {string} chr The matched character to escape.
   * @returns {string} Returns the escaped character.
   */
  function escapeStringChar(chr) {
    return '\\' + stringEscapes[chr];
  }

  /**
   * Gets the value at `key` of `object`.
   *
   * @private
   * @param {Object} [object] The object to query.
   * @param {string} key The key of the property to get.
   * @returns {*} Returns the property value.
   */
  function getValue(object, key) {
    return object == null ? undefined : object[key];
  }

  /**
   * Checks if `string` contains Unicode symbols.
   *
   * @private
   * @param {string} string The string to inspect.
   * @returns {boolean} Returns `true` if a symbol is found, else `false`.
   */
  function hasUnicode(string) {
    return reHasUnicode.test(string);
  }

  /**
   * Checks if `string` contains a word composed of Unicode symbols.
   *
   * @private
   * @param {string} string The string to inspect.
   * @returns {boolean} Returns `true` if a word is found, else `false`.
   */
  function hasUnicodeWord(string) {
    return reHasUnicodeWord.test(string);
  }

  /**
   * Converts `iterator` to an array.
   *
   * @private
   * @param {Object} iterator The iterator to convert.
   * @returns {Array} Returns the converted array.
   */
  function iteratorToArray(iterator) {
    var data,
        result = [];

    while (!(data = iterator.next()).done) {
      result.push(data.value);
    }
    return result;
  }

  /**
   * Converts `map` to its key-value pairs.
   *
   * @private
   * @param {Object} map The map to convert.
   * @returns {Array} Returns the key-value pairs.
   */
  function mapToArray(map) {
    var index = -1,
        result = Array(map.size);

    map.forEach(function(value, key) {
      result[++index] = [key, value];
    });
    return result;
  }

  /**
   * Creates a unary function that invokes `func` with its argument transformed.
   *
   * @private
   * @param {Function} func The function to wrap.
   * @param {Function} transform The argument transform.
   * @returns {Function} Returns the new function.
   */
  function overArg(func, transform) {
    return function(arg) {
      return func(transform(arg));
    };
  }

  /**
   * Replaces all `placeholder` elements in `array` with an internal placeholder
   * and returns an array of their indexes.
   *
   * @private
   * @param {Array} array The array to modify.
   * @param {*} placeholder The placeholder to replace.
   * @returns {Array} Returns the new array of placeholder indexes.
   */
  function replaceHolders(array, placeholder) {
    var index = -1,
        length = array.length,
        resIndex = 0,
        result = [];

    while (++index < length) {
      var value = array[index];
      if (value === placeholder || value === PLACEHOLDER) {
        array[index] = PLACEHOLDER;
        result[resIndex++] = index;
      }
    }
    return result;
  }

  /**
   * Gets the value at `key`, unless `key` is "__proto__".
   *
   * @private
   * @param {Object} object The object to query.
   * @param {string} key The key of the property to get.
   * @returns {*} Returns the property value.
   */
  function safeGet(object, key) {
    return key == '__proto__'
      ? undefined
      : object[key];
  }

  /**
   * Converts `set` to an array of its values.
   *
   * @private
   * @param {Object} set The set to convert.
   * @returns {Array} Returns the values.
   */
  function setToArray(set) {
    var index = -1,
        result = Array(set.size);

    set.forEach(function(value) {
      result[++index] = value;
    });
    return result;
  }

  /**
   * Converts `set` to its value-value pairs.
   *
   * @private
   * @param {Object} set The set to convert.
   * @returns {Array} Returns the value-value pairs.
   */
  function setToPairs(set) {
    var index = -1,
        result = Array(set.size);

    set.forEach(function(value) {
      result[++index] = [value, value];
    });
    return result;
  }

  /**
   * A specialized version of `_.indexOf` which performs strict equality
   * comparisons of values, i.e. `===`.
   *
   * @private
   * @param {Array} array The array to inspect.
   * @param {*} value The value to search for.
   * @param {number} fromIndex The index to search from.
   * @returns {number} Returns the index of the matched value, else `-1`.
   */
  function strictIndexOf(array, value, fromIndex) {
    var index = fromIndex - 1,
        length = array.length;

    while (++index < length) {
      if (array[index] === value) {
        return index;
      }
    }
    return -1;
  }

  /**
   * A specialized version of `_.lastIndexOf` which performs strict equality
   * comparisons of values, i.e. `===`.
   *
   * @private
   * @param {Array} array The array to inspect.
   * @param {*} value The value to search for.
   * @param {number} fromIndex The index to search from.
   * @returns {number} Returns the index of the matched value, else `-1`.
   */
  function strictLastIndexOf(array, value, fromIndex) {
    var index = fromIndex + 1;
    while (index--) {
      if (array[index] === value) {
        return index;
      }
    }
    return index;
  }

  /**
   * Gets the number of symbols in `string`.
   *
   * @private
   * @param {string} string The string to inspect.
   * @returns {number} Returns the string size.
   */
  function stringSize(string) {
    return hasUnicode(string)
      ? unicodeSize(string)
      : asciiSize(string);
  }

  /**
   * Converts `string` to an array.
   *
   * @private
   * @param {string} string The string to convert.
   * @returns {Array} Returns the converted array.
   */
  function stringToArray(string) {
    return hasUnicode(string)
      ? unicodeToArray(string)
      : asciiToArray(string);
  }

  /**
   * Used by `_.unescape` to convert HTML entities to characters.
   *
   * @private
   * @param {string} chr The matched character to unescape.
   * @returns {string} Returns the unescaped character.
   */
  var unescapeHtmlChar = basePropertyOf(htmlUnescapes);

  /**
   * Gets the size of a Unicode `string`.
   *
   * @private
   * @param {string} string The string inspect.
   * @returns {number} Returns the string size.
   */
  function unicodeSize(string) {
    var result = reUnicode.lastIndex = 0;
    while (reUnicode.test(string)) {
      ++result;
    }
    return result;
  }

  /**
   * Converts a Unicode `string` to an array.
   *
   * @private
   * @param {string} string The string to convert.
   * @returns {Array} Returns the converted array.
   */
  function unicodeToArray(string) {
    return string.match(reUnicode) || [];
  }

  /**
   * Splits a Unicode `string` into an array of its words.
   *
   * @private
   * @param {string} The string to inspect.
   * @returns {Array} Returns the words of `string`.
   */
  function unicodeWords(string) {
    return string.match(reUnicodeWord) || [];
  }

  /*--------------------------------------------------------------------------*/

  /**
   * Create a new pristine `lodash` function using the `context` object.
   *
   * @static
   * @memberOf _
   * @since 1.1.0
   * @category Util
   * @param {Object} [context=root] The context object.
   * @returns {Function} Returns a new `lodash` function.
   * @example
   *
   * _.mixin({ 'foo': _.constant('foo') });
   *
   * var lodash = _.runInContext();
   * lodash.mixin({ 'bar': lodash.constant('bar') });
   *
   * _.isFunction(_.foo);
   * // => true
   * _.isFunction(_.bar);
   * // => false
   *
   * lodash.isFunction(lodash.foo);
   * // => false
   * lodash.isFunction(lodash.bar);
   * // => true
   *
   * // Create a suped-up `defer` in Node.js.
   * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;
   */
  var runInContext = (function runInContext(context) {
    context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));

    /** Built-in constructor references. */
    var Array = context.Array,
        Date = context.Date,
        Error = context.Error,
        Function = context.Function,
        Math = context.Math,
        Object = context.Object,
        RegExp = context.RegExp,
        String = context.String,
        TypeError = context.TypeError;

    /** Used for built-in method references. */
    var arrayProto = Array.prototype,
        funcProto = Function.prototype,
        objectProto = Object.prototype;

    /** Used to detect overreaching core-js shims. */
    var coreJsData = context['__core-js_shared__'];

    /** Used to resolve the decompiled source of functions. */
    var funcToString = funcProto.toString;

    /** Used to check objects for own properties. */
    var hasOwnProperty = objectProto.hasOwnProperty;

    /** Used to generate unique IDs. */
    var idCounter = 0;

    /** Used to detect methods masquerading as native. */
    var maskSrcKey = (function() {
      var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');
      return uid ? ('Symbol(src)_1.' + uid) : '';
    }());

    /**
     * Used to resolve the
     * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
     * of values.
     */
    var nativeObjectToString = objectProto.toString;

    /** Used to infer the `Object` constructor. */
    var objectCtorString = funcToString.call(Object);

    /** Used to restore the original `_` reference in `_.noConflict`. */
    var oldDash = root._;

    /** Used to detect if a method is native. */
    var reIsNative = RegExp('^' +
      funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&')
      .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
    );

    /** Built-in value references. */
    var Buffer = moduleExports ? context.Buffer : undefined,
        Symbol = context.Symbol,
        Uint8Array = context.Uint8Array,
        allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,
        getPrototype = overArg(Object.getPrototypeOf, Object),
        objectCreate = Object.create,
        propertyIsEnumerable = objectProto.propertyIsEnumerable,
        splice = arrayProto.splice,
        spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,
        symIterator = Symbol ? Symbol.iterator : undefined,
        symToStringTag = Symbol ? Symbol.toStringTag : undefined;

    var defineProperty = (function() {
      try {
        var func = getNative(Object, 'defineProperty');
        func({}, '', {});
        return func;
      } catch (e) {}
    }());

    /** Mocked built-ins. */
    var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,
        ctxNow = Date && Date.now !== root.Date.now && Date.now,
        ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;

    /* Built-in method references for those with the same name as other `lodash` methods. */
    var nativeCeil = Math.ceil,
        nativeFloor = Math.floor,
        nativeGetSymbols = Object.getOwnPropertySymbols,
        nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,
        nativeIsFinite = context.isFinite,
        nativeJoin = arrayProto.join,
        nativeKeys = overArg(Object.keys, Object),
        nativeMax = Math.max,
        nativeMin = Math.min,
        nativeNow = Date.now,
        nativeParseInt = context.parseInt,
        nativeRandom = Math.random,
        nativeReverse = arrayProto.reverse;

    /* Built-in method references that are verified to be native. */
    var DataView = getNative(context, 'DataView'),
        Map = getNative(context, 'Map'),
        Promise = getNative(context, 'Promise'),
        Set = getNative(context, 'Set'),
        WeakMap = getNative(context, 'WeakMap'),
        nativeCreate = getNative(Object, 'create');

    /** Used to store function metadata. */
    var metaMap = WeakMap && new WeakMap;

    /** Used to lookup unminified function names. */
    var realNames = {};

    /** Used to detect maps, sets, and weakmaps. */
    var dataViewCtorString = toSource(DataView),
        mapCtorString = toSource(Map),
        promiseCtorString = toSource(Promise),
        setCtorString = toSource(Set),
        weakMapCtorString = toSource(WeakMap);

    /** Used to convert symbols to primitives and strings. */
    var symbolProto = Symbol ? Symbol.prototype : undefined,
        symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,
        symbolToString = symbolProto ? symbolProto.toString : undefined;

    /*------------------------------------------------------------------------*/

    /**
     * Creates a `lodash` object which wraps `value` to enable implicit method
     * chain sequences. Methods that operate on and return arrays, collections,
     * and functions can be chained together. Methods that retrieve a single value
     * or may return a primitive value will automatically end the chain sequence
     * and return the unwrapped value. Otherwise, the value must be unwrapped
     * with `_#value`.
     *
     * Explicit chain sequences, which must be unwrapped with `_#value`, may be
     * enabled using `_.chain`.
     *
     * The execution of chained methods is lazy, that is, it's deferred until
     * `_#value` is implicitly or explicitly called.
     *
     * Lazy evaluation allows several methods to support shortcut fusion.
     * Shortcut fusion is an optimization to merge iteratee calls; this avoids
     * the creation of intermediate arrays and can greatly reduce the number of
     * iteratee executions. Sections of a chain sequence qualify for shortcut
     * fusion if the section is applied to an array and iteratees accept only
     * one argument. The heuristic for whether a section qualifies for shortcut
     * fusion is subject to change.
     *
     * Chaining is supported in custom builds as long as the `_#value` method is
     * directly or indirectly included in the build.
     *
     * In addition to lodash methods, wrappers have `Array` and `String` methods.
     *
     * The wrapper `Array` methods are:
     * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`
     *
     * The wrapper `String` methods are:
     * `replace` and `split`
     *
     * The wrapper methods that support shortcut fusion are:
     * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,
     * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,
     * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`
     *
     * The chainable wrapper methods are:
     * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,
     * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,
     * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,
     * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,
     * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,
     * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,
     * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,
     * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,
     * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,
     * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,
     * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,
     * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,
     * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,
     * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,
     * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,
     * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,
     * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,
     * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,
     * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,
     * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,
     * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,
     * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,
     * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,
     * `zipObject`, `zipObjectDeep`, and `zipWith`
     *
     * The wrapper methods that are **not** chainable by default are:
     * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,
     * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,
     * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,
     * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,
     * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,
     * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,
     * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,
     * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,
     * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,
     * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,
     * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,
     * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,
     * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,
     * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,
     * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,
     * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,
     * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,
     * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,
     * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,
     * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,
     * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,
     * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,
     * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,
     * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,
     * `upperFirst`, `value`, and `words`
     *
     * @name _
     * @constructor
     * @category Seq
     * @param {*} value The value to wrap in a `lodash` instance.
     * @returns {Object} Returns the new `lodash` wrapper instance.
     * @example
     *
     * function square(n) {
     *   return n * n;
     * }
     *
     * var wrapped = _([1, 2, 3]);
     *
     * // Returns an unwrapped value.
     * wrapped.reduce(_.add);
     * // => 6
     *
     * // Returns a wrapped value.
     * var squares = wrapped.map(square);
     *
     * _.isArray(squares);
     * // => false
     *
     * _.isArray(squares.value());
     * // => true
     */
    function lodash(value) {
      if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {
        if (value instanceof LodashWrapper) {
          return value;
        }
        if (hasOwnProperty.call(value, '__wrapped__')) {
          return wrapperClone(value);
        }
      }
      return new LodashWrapper(value);
    }

    /**
     * The base implementation of `_.create` without support for assigning
     * properties to the created object.
     *
     * @private
     * @param {Object} proto The object to inherit from.
     * @returns {Object} Returns the new object.
     */
    var baseCreate = (function() {
      function object() {}
      return function(proto) {
        if (!isObject(proto)) {
          return {};
        }
        if (objectCreate) {
          return objectCreate(proto);
        }
        object.prototype = proto;
        var result = new object;
        object.prototype = undefined;
        return result;
      };
    }());

    /**
     * The function whose prototype chain sequence wrappers inherit from.
     *
     * @private
     */
    function baseLodash() {
      // No operation performed.
    }

    /**
     * The base constructor for creating `lodash` wrapper objects.
     *
     * @private
     * @param {*} value The value to wrap.
     * @param {boolean} [chainAll] Enable explicit method chain sequences.
     */
    function LodashWrapper(value, chainAll) {
      this.__wrapped__ = value;
      this.__actions__ = [];
      this.__chain__ = !!chainAll;
      this.__index__ = 0;
      this.__values__ = undefined;
    }

    /**
     * By default, the template delimiters used by lodash are like those in
     * embedded Ruby (ERB) as well as ES2015 template strings. Change the
     * following template settings to use alternative delimiters.
     *
     * @static
     * @memberOf _
     * @type {Object}
     */
    lodash.templateSettings = {

      /**
       * Used to detect `data` property values to be HTML-escaped.
       *
       * @memberOf _.templateSettings
       * @type {RegExp}
       */
      'escape': reEscape,

      /**
       * Used to detect code to be evaluated.
       *
       * @memberOf _.templateSettings
       * @type {RegExp}
       */
      'evaluate': reEvaluate,

      /**
       * Used to detect `data` property values to inject.
       *
       * @memberOf _.templateSettings
       * @type {RegExp}
       */
      'interpolate': reInterpolate,

      /**
       * Used to reference the data object in the template text.
       *
       * @memberOf _.templateSettings
       * @type {string}
       */
      'variable': '',

      /**
       * Used to import variables into the compiled template.
       *
       * @memberOf _.templateSettings
       * @type {Object}
       */
      'imports': {

        /**
         * A reference to the `lodash` function.
         *
         * @memberOf _.templateSettings.imports
         * @type {Function}
         */
        '_': lodash
      }
    };

    // Ensure wrappers are instances of `baseLodash`.
    lodash.prototype = baseLodash.prototype;
    lodash.prototype.constructor = lodash;

    LodashWrapper.prototype = baseCreate(baseLodash.prototype);
    LodashWrapper.prototype.constructor = LodashWrapper;

    /*------------------------------------------------------------------------*/

    /**
     * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.
     *
     * @private
     * @constructor
     * @param {*} value The value to wrap.
     */
    function LazyWrapper(value) {
      this.__wrapped__ = value;
      this.__actions__ = [];
      this.__dir__ = 1;
      this.__filtered__ = false;
      this.__iteratees__ = [];
      this.__takeCount__ = MAX_ARRAY_LENGTH;
      this.__views__ = [];
    }

    /**
     * Creates a clone of the lazy wrapper object.
     *
     * @private
     * @name clone
     * @memberOf LazyWrapper
     * @returns {Object} Returns the cloned `LazyWrapper` object.
     */
    function lazyClone() {
      var result = new LazyWrapper(this.__wrapped__);
      result.__actions__ = copyArray(this.__actions__);
      result.__dir__ = this.__dir__;
      result.__filtered__ = this.__filtered__;
      result.__iteratees__ = copyArray(this.__iteratees__);
      result.__takeCount__ = this.__takeCount__;
      result.__views__ = copyArray(this.__views__);
      return result;
    }

    /**
     * Reverses the direction of lazy iteration.
     *
     * @private
     * @name reverse
     * @memberOf LazyWrapper
     * @returns {Object} Returns the new reversed `LazyWrapper` object.
     */
    function lazyReverse() {
      if (this.__filtered__) {
        var result = new LazyWrapper(this);
        result.__dir__ = -1;
        result.__filtered__ = true;
      } else {
        result = this.clone();
        result.__dir__ *= -1;
      }
      return result;
    }

    /**
     * Extracts the unwrapped value from its lazy wrapper.
     *
     * @private
     * @name value
     * @memberOf LazyWrapper
     * @returns {*} Returns the unwrapped value.
     */
    function lazyValue() {
      var array = this.__wrapped__.value(),
          dir = this.__dir__,
          isArr = isArray(array),
          isRight = dir < 0,
          arrLength = isArr ? array.length : 0,
          view = getView(0, arrLength, this.__views__),
          start = view.start,
          end = view.end,
          length = end - start,
          index = isRight ? end : (start - 1),
          iteratees = this.__iteratees__,
          iterLength = iteratees.length,
          resIndex = 0,
          takeCount = nativeMin(length, this.__takeCount__);

      if (!isArr || (!isRight && arrLength == length && takeCount == length)) {
        return baseWrapperValue(array, this.__actions__);
      }
      var result = [];

      outer:
      while (length-- && resIndex < takeCount) {
        index += dir;

        var iterIndex = -1,
            value = array[index];

        while (++iterIndex < iterLength) {
          var data = iteratees[iterIndex],
              iteratee = data.iteratee,
              type = data.type,
              computed = iteratee(value);

          if (type == LAZY_MAP_FLAG) {
            value = computed;
          } else if (!computed) {
            if (type == LAZY_FILTER_FLAG) {
              continue outer;
            } else {
              break outer;
            }
          }
        }
        result[resIndex++] = value;
      }
      return result;
    }

    // Ensure `LazyWrapper` is an instance of `baseLodash`.
    LazyWrapper.prototype = baseCreate(baseLodash.prototype);
    LazyWrapper.prototype.constructor = LazyWrapper;

    /*------------------------------------------------------------------------*/

    /**
     * Creates a hash object.
     *
     * @private
     * @constructor
     * @param {Array} [entries] The key-value pairs to cache.
     */
    function Hash(entries) {
      var index = -1,
          length = entries == null ? 0 : entries.length;

      this.clear();
      while (++index < length) {
        var entry = entries[index];
        this.set(entry[0], entry[1]);
      }
    }

    /**
     * Removes all key-value entries from the hash.
     *
     * @private
     * @name clear
     * @memberOf Hash
     */
    function hashClear() {
      this.__data__ = nativeCreate ? nativeCreate(null) : {};
      this.size = 0;
    }

    /**
     * Removes `key` and its value from the hash.
     *
     * @private
     * @name delete
     * @memberOf Hash
     * @param {Object} hash The hash to modify.
     * @param {string} key The key of the value to remove.
     * @returns {boolean} Returns `true` if the entry was removed, else `false`.
     */
    function hashDelete(key) {
      var result = this.has(key) && delete this.__data__[key];
      this.size -= result ? 1 : 0;
      return result;
    }

    /**
     * Gets the hash value for `key`.
     *
     * @private
     * @name get
     * @memberOf Hash
     * @param {string} key The key of the value to get.
     * @returns {*} Returns the entry value.
     */
    function hashGet(key) {
      var data = this.__data__;
      if (nativeCreate) {
        var result = data[key];
        return result === HASH_UNDEFINED ? undefined : result;
      }
      return hasOwnProperty.call(data, key) ? data[key] : undefined;
    }

    /**
     * Checks if a hash value for `key` exists.
     *
     * @private
     * @name has
     * @memberOf Hash
     * @param {string} key The key of the entry to check.
     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
     */
    function hashHas(key) {
      var data = this.__data__;
      return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);
    }

    /**
     * Sets the hash `key` to `value`.
     *
     * @private
     * @name set
     * @memberOf Hash
     * @param {string} key The key of the value to set.
     * @param {*} value The value to set.
     * @returns {Object} Returns the hash instance.
     */
    function hashSet(key, value) {
      var data = this.__data__;
      this.size += this.has(key) ? 0 : 1;
      data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;
      return this;
    }

    // Add methods to `Hash`.
    Hash.prototype.clear = hashClear;
    Hash.prototype['delete'] = hashDelete;
    Hash.prototype.get = hashGet;
    Hash.prototype.has = hashHas;
    Hash.prototype.set = hashSet;

    /*------------------------------------------------------------------------*/

    /**
     * Creates an list cache object.
     *
     * @private
     * @constructor
     * @param {Array} [entries] The key-value pairs to cache.
     */
    function ListCache(entries) {
      var index = -1,
          length = entries == null ? 0 : entries.length;

      this.clear();
      while (++index < length) {
        var entry = entries[index];
        this.set(entry[0], entry[1]);
      }
    }

    /**
     * Removes all key-value entries from the list cache.
     *
     * @private
     * @name clear
     * @memberOf ListCache
     */
    function listCacheClear() {
      this.__data__ = [];
      this.size = 0;
    }

    /**
     * Removes `key` and its value from the list cache.
     *
     * @private
     * @name delete
     * @memberOf ListCache
     * @param {string} key The key of the value to remove.
     * @returns {boolean} Returns `true` if the entry was removed, else `false`.
     */
    function listCacheDelete(key) {
      var data = this.__data__,
          index = assocIndexOf(data, key);

      if (index < 0) {
        return false;
      }
      var lastIndex = data.length - 1;
      if (index == lastIndex) {
        data.pop();
      } else {
        splice.call(data, index, 1);
      }
      --this.size;
      return true;
    }

    /**
     * Gets the list cache value for `key`.
     *
     * @private
     * @name get
     * @memberOf ListCache
     * @param {string} key The key of the value to get.
     * @returns {*} Returns the entry value.
     */
    function listCacheGet(key) {
      var data = this.__data__,
          index = assocIndexOf(data, key);

      return index < 0 ? undefined : data[index][1];
    }

    /**
     * Checks if a list cache value for `key` exists.
     *
     * @private
     * @name has
     * @memberOf ListCache
     * @param {string} key The key of the entry to check.
     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
     */
    function listCacheHas(key) {
      return assocIndexOf(this.__data__, key) > -1;
    }

    /**
     * Sets the list cache `key` to `value`.
     *
     * @private
     * @name set
     * @memberOf ListCache
     * @param {string} key The key of the value to set.
     * @param {*} value The value to set.
     * @returns {Object} Returns the list cache instance.
     */
    function listCacheSet(key, value) {
      var data = this.__data__,
          index = assocIndexOf(data, key);

      if (index < 0) {
        ++this.size;
        data.push([key, value]);
      } else {
        data[index][1] = value;
      }
      return this;
    }

    // Add methods to `ListCache`.
    ListCache.prototype.clear = listCacheClear;
    ListCache.prototype['delete'] = listCacheDelete;
    ListCache.prototype.get = listCacheGet;
    ListCache.prototype.has = listCacheHas;
    ListCache.prototype.set = listCacheSet;

    /*------------------------------------------------------------------------*/

    /**
     * Creates a map cache object to store key-value pairs.
     *
     * @private
     * @constructor
     * @param {Array} [entries] The key-value pairs to cache.
     */
    function MapCache(entries) {
      var index = -1,
          length = entries == null ? 0 : entries.length;

      this.clear();
      while (++index < length) {
        var entry = entries[index];
        this.set(entry[0], entry[1]);
      }
    }

    /**
     * Removes all key-value entries from the map.
     *
     * @private
     * @name clear
     * @memberOf MapCache
     */
    function mapCacheClear() {
      this.size = 0;
      this.__data__ = {
        'hash': new Hash,
        'map': new (Map || ListCache),
        'string': new Hash
      };
    }

    /**
     * Removes `key` and its value from the map.
     *
     * @private
     * @name delete
     * @memberOf MapCache
     * @param {string} key The key of the value to remove.
     * @returns {boolean} Returns `true` if the entry was removed, else `false`.
     */
    function mapCacheDelete(key) {
      var result = getMapData(this, key)['delete'](key);
      this.size -= result ? 1 : 0;
      return result;
    }

    /**
     * Gets the map value for `key`.
     *
     * @private
     * @name get
     * @memberOf MapCache
     * @param {string} key The key of the value to get.
     * @returns {*} Returns the entry value.
     */
    function mapCacheGet(key) {
      return getMapData(this, key).get(key);
    }

    /**
     * Checks if a map value for `key` exists.
     *
     * @private
     * @name has
     * @memberOf MapCache
     * @param {string} key The key of the entry to check.
     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
     */
    function mapCacheHas(key) {
      return getMapData(this, key).has(key);
    }

    /**
     * Sets the map `key` to `value`.
     *
     * @private
     * @name set
     * @memberOf MapCache
     * @param {string} key The key of the value to set.
     * @param {*} value The value to set.
     * @returns {Object} Returns the map cache instance.
     */
    function mapCacheSet(key, value) {
      var data = getMapData(this, key),
          size = data.size;

      data.set(key, value);
      this.size += data.size == size ? 0 : 1;
      return this;
    }

    // Add methods to `MapCache`.
    MapCache.prototype.clear = mapCacheClear;
    MapCache.prototype['delete'] = mapCacheDelete;
    MapCache.prototype.get = mapCacheGet;
    MapCache.prototype.has = mapCacheHas;
    MapCache.prototype.set = mapCacheSet;

    /*------------------------------------------------------------------------*/

    /**
     *
     * Creates an array cache object to store unique values.
     *
     * @private
     * @constructor
     * @param {Array} [values] The values to cache.
     */
    function SetCache(values) {
      var index = -1,
          length = values == null ? 0 : values.length;

      this.__data__ = new MapCache;
      while (++index < length) {
        this.add(values[index]);
      }
    }

    /**
     * Adds `value` to the array cache.
     *
     * @private
     * @name add
     * @memberOf SetCache
     * @alias push
     * @param {*} value The value to cache.
     * @returns {Object} Returns the cache instance.
     */
    function setCacheAdd(value) {
      this.__data__.set(value, HASH_UNDEFINED);
      return this;
    }

    /**
     * Checks if `value` is in the array cache.
     *
     * @private
     * @name has
     * @memberOf SetCache
     * @param {*} value The value to search for.
     * @returns {number} Returns `true` if `value` is found, else `false`.
     */
    function setCacheHas(value) {
      return this.__data__.has(value);
    }

    // Add methods to `SetCache`.
    SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;
    SetCache.prototype.has = setCacheHas;

    /*------------------------------------------------------------------------*/

    /**
     * Creates a stack cache object to store key-value pairs.
     *
     * @private
     * @constructor
     * @param {Array} [entries] The key-value pairs to cache.
     */
    function Stack(entries) {
      var data = this.__data__ = new ListCache(entries);
      this.size = data.size;
    }

    /**
     * Removes all key-value entries from the stack.
     *
     * @private
     * @name clear
     * @memberOf Stack
     */
    function stackClear() {
      this.__data__ = new ListCache;
      this.size = 0;
    }

    /**
     * Removes `key` and its value from the stack.
     *
     * @private
     * @name delete
     * @memberOf Stack
     * @param {string} key The key of the value to remove.
     * @returns {boolean} Returns `true` if the entry was removed, else `false`.
     */
    function stackDelete(key) {
      var data = this.__data__,
          result = data['delete'](key);

      this.size = data.size;
      return result;
    }

    /**
     * Gets the stack value for `key`.
     *
     * @private
     * @name get
     * @memberOf Stack
     * @param {string} key The key of the value to get.
     * @returns {*} Returns the entry value.
     */
    function stackGet(key) {
      return this.__data__.get(key);
    }

    /**
     * Checks if a stack value for `key` exists.
     *
     * @private
     * @name has
     * @memberOf Stack
     * @param {string} key The key of the entry to check.
     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
     */
    function stackHas(key) {
      return this.__data__.has(key);
    }

    /**
     * Sets the stack `key` to `value`.
     *
     * @private
     * @name set
     * @memberOf Stack
     * @param {string} key The key of the value to set.
     * @param {*} value The value to set.
     * @returns {Object} Returns the stack cache instance.
     */
    function stackSet(key, value) {
      var data = this.__data__;
      if (data instanceof ListCache) {
        var pairs = data.__data__;
        if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {
          pairs.push([key, value]);
          this.size = ++data.size;
          return this;
        }
        data = this.__data__ = new MapCache(pairs);
      }
      data.set(key, value);
      this.size = data.size;
      return this;
    }

    // Add methods to `Stack`.
    Stack.prototype.clear = stackClear;
    Stack.prototype['delete'] = stackDelete;
    Stack.prototype.get = stackGet;
    Stack.prototype.has = stackHas;
    Stack.prototype.set = stackSet;

    /*------------------------------------------------------------------------*/

    /**
     * Creates an array of the enumerable property names of the array-like `value`.
     *
     * @private
     * @param {*} value The value to query.
     * @param {boolean} inherited Specify returning inherited property names.
     * @returns {Array} Returns the array of property names.
     */
    function arrayLikeKeys(value, inherited) {
      var isArr = isArray(value),
          isArg = !isArr && isArguments(value),
          isBuff = !isArr && !isArg && isBuffer(value),
          isType = !isArr && !isArg && !isBuff && isTypedArray(value),
          skipIndexes = isArr || isArg || isBuff || isType,
          result = skipIndexes ? baseTimes(value.length, String) : [],
          length = result.length;

      for (var key in value) {
        if ((inherited || hasOwnProperty.call(value, key)) &&
            !(skipIndexes && (
               // Safari 9 has enumerable `arguments.length` in strict mode.
               key == 'length' ||
               // Node.js 0.10 has enumerable non-index properties on buffers.
               (isBuff && (key == 'offset' || key == 'parent')) ||
               // PhantomJS 2 has enumerable non-index properties on typed arrays.
               (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||
               // Skip index properties.
               isIndex(key, length)
            ))) {
          result.push(key);
        }
      }
      return result;
    }

    /**
     * A specialized version of `_.sample` for arrays.
     *
     * @private
     * @param {Array} array The array to sample.
     * @returns {*} Returns the random element.
     */
    function arraySample(array) {
      var length = array.length;
      return length ? array[baseRandom(0, length - 1)] : undefined;
    }

    /**
     * A specialized version of `_.sampleSize` for arrays.
     *
     * @private
     * @param {Array} array The array to sample.
     * @param {number} n The number of elements to sample.
     * @returns {Array} Returns the random elements.
     */
    function arraySampleSize(array, n) {
      return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));
    }

    /**
     * A specialized version of `_.shuffle` for arrays.
     *
     * @private
     * @param {Array} array The array to shuffle.
     * @returns {Array} Returns the new shuffled array.
     */
    function arrayShuffle(array) {
      return shuffleSelf(copyArray(array));
    }

    /**
     * This function is like `assignValue` except that it doesn't assign
     * `undefined` values.
     *
     * @private
     * @param {Object} object The object to modify.
     * @param {string} key The key of the property to assign.
     * @param {*} value The value to assign.
     */
    function assignMergeValue(object, key, value) {
      if ((value !== undefined && !eq(object[key], value)) ||
          (value === undefined && !(key in object))) {
        baseAssignValue(object, key, value);
      }
    }

    /**
     * Assigns `value` to `key` of `object` if the existing value is not equivalent
     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * for equality comparisons.
     *
     * @private
     * @param {Object} object The object to modify.
     * @param {string} key The key of the property to assign.
     * @param {*} value The value to assign.
     */
    function assignValue(object, key, value) {
      var objValue = object[key];
      if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||
          (value === undefined && !(key in object))) {
        baseAssignValue(object, key, value);
      }
    }

    /**
     * Gets the index at which the `key` is found in `array` of key-value pairs.
     *
     * @private
     * @param {Array} array The array to inspect.
     * @param {*} key The key to search for.
     * @returns {number} Returns the index of the matched value, else `-1`.
     */
    function assocIndexOf(array, key) {
      var length = array.length;
      while (length--) {
        if (eq(array[length][0], key)) {
          return length;
        }
      }
      return -1;
    }

    /**
     * Aggregates elements of `collection` on `accumulator` with keys transformed
     * by `iteratee` and values set by `setter`.
     *
     * @private
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} setter The function to set `accumulator` values.
     * @param {Function} iteratee The iteratee to transform keys.
     * @param {Object} accumulator The initial aggregated object.
     * @returns {Function} Returns `accumulator`.
     */
    function baseAggregator(collection, setter, iteratee, accumulator) {
      baseEach(collection, function(value, key, collection) {
        setter(accumulator, value, iteratee(value), collection);
      });
      return accumulator;
    }

    /**
     * The base implementation of `_.assign` without support for multiple sources
     * or `customizer` functions.
     *
     * @private
     * @param {Object} object The destination object.
     * @param {Object} source The source object.
     * @returns {Object} Returns `object`.
     */
    function baseAssign(object, source) {
      return object && copyObject(source, keys(source), object);
    }

    /**
     * The base implementation of `_.assignIn` without support for multiple sources
     * or `customizer` functions.
     *
     * @private
     * @param {Object} object The destination object.
     * @param {Object} source The source object.
     * @returns {Object} Returns `object`.
     */
    function baseAssignIn(object, source) {
      return object && copyObject(source, keysIn(source), object);
    }

    /**
     * The base implementation of `assignValue` and `assignMergeValue` without
     * value checks.
     *
     * @private
     * @param {Object} object The object to modify.
     * @param {string} key The key of the property to assign.
     * @param {*} value The value to assign.
     */
    function baseAssignValue(object, key, value) {
      if (key == '__proto__' && defineProperty) {
        defineProperty(object, key, {
          'configurable': true,
          'enumerable': true,
          'value': value,
          'writable': true
        });
      } else {
        object[key] = value;
      }
    }

    /**
     * The base implementation of `_.at` without support for individual paths.
     *
     * @private
     * @param {Object} object The object to iterate over.
     * @param {string[]} paths The property paths to pick.
     * @returns {Array} Returns the picked elements.
     */
    function baseAt(object, paths) {
      var index = -1,
          length = paths.length,
          result = Array(length),
          skip = object == null;

      while (++index < length) {
        result[index] = skip ? undefined : get(object, paths[index]);
      }
      return result;
    }

    /**
     * The base implementation of `_.clamp` which doesn't coerce arguments.
     *
     * @private
     * @param {number} number The number to clamp.
     * @param {number} [lower] The lower bound.
     * @param {number} upper The upper bound.
     * @returns {number} Returns the clamped number.
     */
    function baseClamp(number, lower, upper) {
      if (number === number) {
        if (upper !== undefined) {
          number = number <= upper ? number : upper;
        }
        if (lower !== undefined) {
          number = number >= lower ? number : lower;
        }
      }
      return number;
    }

    /**
     * The base implementation of `_.clone` and `_.cloneDeep` which tracks
     * traversed objects.
     *
     * @private
     * @param {*} value The value to clone.
     * @param {boolean} bitmask The bitmask flags.
     *  1 - Deep clone
     *  2 - Flatten inherited properties
     *  4 - Clone symbols
     * @param {Function} [customizer] The function to customize cloning.
     * @param {string} [key] The key of `value`.
     * @param {Object} [object] The parent object of `value`.
     * @param {Object} [stack] Tracks traversed objects and their clone counterparts.
     * @returns {*} Returns the cloned value.
     */
    function baseClone(value, bitmask, customizer, key, object, stack) {
      var result,
          isDeep = bitmask & CLONE_DEEP_FLAG,
          isFlat = bitmask & CLONE_FLAT_FLAG,
          isFull = bitmask & CLONE_SYMBOLS_FLAG;

      if (customizer) {
        result = object ? customizer(value, key, object, stack) : customizer(value);
      }
      if (result !== undefined) {
        return result;
      }
      if (!isObject(value)) {
        return value;
      }
      var isArr = isArray(value);
      if (isArr) {
        result = initCloneArray(value);
        if (!isDeep) {
          return copyArray(value, result);
        }
      } else {
        var tag = getTag(value),
            isFunc = tag == funcTag || tag == genTag;

        if (isBuffer(value)) {
          return cloneBuffer(value, isDeep);
        }
        if (tag == objectTag || tag == argsTag || (isFunc && !object)) {
          result = (isFlat || isFunc) ? {} : initCloneObject(value);
          if (!isDeep) {
            return isFlat
              ? copySymbolsIn(value, baseAssignIn(result, value))
              : copySymbols(value, baseAssign(result, value));
          }
        } else {
          if (!cloneableTags[tag]) {
            return object ? value : {};
          }
          result = initCloneByTag(value, tag, isDeep);
        }
      }
      // Check for circular references and return its corresponding clone.
      stack || (stack = new Stack);
      var stacked = stack.get(value);
      if (stacked) {
        return stacked;
      }
      stack.set(value, result);

      if (isSet(value)) {
        value.forEach(function(subValue) {
          result.add(baseClone(subValue, bitmask, customizer, subValue, value, stack));
        });

        return result;
      }

      if (isMap(value)) {
        value.forEach(function(subValue, key) {
          result.set(key, baseClone(subValue, bitmask, customizer, key, value, stack));
        });

        return result;
      }

      var keysFunc = isFull
        ? (isFlat ? getAllKeysIn : getAllKeys)
        : (isFlat ? keysIn : keys);

      var props = isArr ? undefined : keysFunc(value);
      arrayEach(props || value, function(subValue, key) {
        if (props) {
          key = subValue;
          subValue = value[key];
        }
        // Recursively populate clone (susceptible to call stack limits).
        assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));
      });
      return result;
    }

    /**
     * The base implementation of `_.conforms` which doesn't clone `source`.
     *
     * @private
     * @param {Object} source The object of property predicates to conform to.
     * @returns {Function} Returns the new spec function.
     */
    function baseConforms(source) {
      var props = keys(source);
      return function(object) {
        return baseConformsTo(object, source, props);
      };
    }

    /**
     * The base implementation of `_.conformsTo` which accepts `props` to check.
     *
     * @private
     * @param {Object} object The object to inspect.
     * @param {Object} source The object of property predicates to conform to.
     * @returns {boolean} Returns `true` if `object` conforms, else `false`.
     */
    function baseConformsTo(object, source, props) {
      var length = props.length;
      if (object == null) {
        return !length;
      }
      object = Object(object);
      while (length--) {
        var key = props[length],
            predicate = source[key],
            value = object[key];

        if ((value === undefined && !(key in object)) || !predicate(value)) {
          return false;
        }
      }
      return true;
    }

    /**
     * The base implementation of `_.delay` and `_.defer` which accepts `args`
     * to provide to `func`.
     *
     * @private
     * @param {Function} func The function to delay.
     * @param {number} wait The number of milliseconds to delay invocation.
     * @param {Array} args The arguments to provide to `func`.
     * @returns {number|Object} Returns the timer id or timeout object.
     */
    function baseDelay(func, wait, args) {
      if (typeof func != 'function') {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      return setTimeout(function() { func.apply(undefined, args); }, wait);
    }

    /**
     * The base implementation of methods like `_.difference` without support
     * for excluding multiple arrays or iteratee shorthands.
     *
     * @private
     * @param {Array} array The array to inspect.
     * @param {Array} values The values to exclude.
     * @param {Function} [iteratee] The iteratee invoked per element.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns the new array of filtered values.
     */
    function baseDifference(array, values, iteratee, comparator) {
      var index = -1,
          includes = arrayIncludes,
          isCommon = true,
          length = array.length,
          result = [],
          valuesLength = values.length;

      if (!length) {
        return result;
      }
      if (iteratee) {
        values = arrayMap(values, baseUnary(iteratee));
      }
      if (comparator) {
        includes = arrayIncludesWith;
        isCommon = false;
      }
      else if (values.length >= LARGE_ARRAY_SIZE) {
        includes = cacheHas;
        isCommon = false;
        values = new SetCache(values);
      }
      outer:
      while (++index < length) {
        var value = array[index],
            computed = iteratee == null ? value : iteratee(value);

        value = (comparator || value !== 0) ? value : 0;
        if (isCommon && computed === computed) {
          var valuesIndex = valuesLength;
          while (valuesIndex--) {
            if (values[valuesIndex] === computed) {
              continue outer;
            }
          }
          result.push(value);
        }
        else if (!includes(values, computed, comparator)) {
          result.push(value);
        }
      }
      return result;
    }

    /**
     * The base implementation of `_.forEach` without support for iteratee shorthands.
     *
     * @private
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} iteratee The function invoked per iteration.
     * @returns {Array|Object} Returns `collection`.
     */
    var baseEach = createBaseEach(baseForOwn);

    /**
     * The base implementation of `_.forEachRight` without support for iteratee shorthands.
     *
     * @private
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} iteratee The function invoked per iteration.
     * @returns {Array|Object} Returns `collection`.
     */
    var baseEachRight = createBaseEach(baseForOwnRight, true);

    /**
     * The base implementation of `_.every` without support for iteratee shorthands.
     *
     * @private
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} predicate The function invoked per iteration.
     * @returns {boolean} Returns `true` if all elements pass the predicate check,
     *  else `false`
     */
    function baseEvery(collection, predicate) {
      var result = true;
      baseEach(collection, function(value, index, collection) {
        result = !!predicate(value, index, collection);
        return result;
      });
      return result;
    }

    /**
     * The base implementation of methods like `_.max` and `_.min` which accepts a
     * `comparator` to determine the extremum value.
     *
     * @private
     * @param {Array} array The array to iterate over.
     * @param {Function} iteratee The iteratee invoked per iteration.
     * @param {Function} comparator The comparator used to compare values.
     * @returns {*} Returns the extremum value.
     */
    function baseExtremum(array, iteratee, comparator) {
      var index = -1,
          length = array.length;

      while (++index < length) {
        var value = array[index],
            current = iteratee(value);

        if (current != null && (computed === undefined
              ? (current === current && !isSymbol(current))
              : comparator(current, computed)
            )) {
          var computed = current,
              result = value;
        }
      }
      return result;
    }

    /**
     * The base implementation of `_.fill` without an iteratee call guard.
     *
     * @private
     * @param {Array} array The array to fill.
     * @param {*} value The value to fill `array` with.
     * @param {number} [start=0] The start position.
     * @param {number} [end=array.length] The end position.
     * @returns {Array} Returns `array`.
     */
    function baseFill(array, value, start, end) {
      var length = array.length;

      start = toInteger(start);
      if (start < 0) {
        start = -start > length ? 0 : (length + start);
      }
      end = (end === undefined || end > length) ? length : toInteger(end);
      if (end < 0) {
        end += length;
      }
      end = start > end ? 0 : toLength(end);
      while (start < end) {
        array[start++] = value;
      }
      return array;
    }

    /**
     * The base implementation of `_.filter` without support for iteratee shorthands.
     *
     * @private
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} predicate The function invoked per iteration.
     * @returns {Array} Returns the new filtered array.
     */
    function baseFilter(collection, predicate) {
      var result = [];
      baseEach(collection, function(value, index, collection) {
        if (predicate(value, index, collection)) {
          result.push(value);
        }
      });
      return result;
    }

    /**
     * The base implementation of `_.flatten` with support for restricting flattening.
     *
     * @private
     * @param {Array} array The array to flatten.
     * @param {number} depth The maximum recursion depth.
     * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.
     * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.
     * @param {Array} [result=[]] The initial result value.
     * @returns {Array} Returns the new flattened array.
     */
    function baseFlatten(array, depth, predicate, isStrict, result) {
      var index = -1,
          length = array.length;

      predicate || (predicate = isFlattenable);
      result || (result = []);

      while (++index < length) {
        var value = array[index];
        if (depth > 0 && predicate(value)) {
          if (depth > 1) {
            // Recursively flatten arrays (susceptible to call stack limits).
            baseFlatten(value, depth - 1, predicate, isStrict, result);
          } else {
            arrayPush(result, value);
          }
        } else if (!isStrict) {
          result[result.length] = value;
        }
      }
      return result;
    }

    /**
     * The base implementation of `baseForOwn` which iterates over `object`
     * properties returned by `keysFunc` and invokes `iteratee` for each property.
     * Iteratee functions may exit iteration early by explicitly returning `false`.
     *
     * @private
     * @param {Object} object The object to iterate over.
     * @param {Function} iteratee The function invoked per iteration.
     * @param {Function} keysFunc The function to get the keys of `object`.
     * @returns {Object} Returns `object`.
     */
    var baseFor = createBaseFor();

    /**
     * This function is like `baseFor` except that it iterates over properties
     * in the opposite order.
     *
     * @private
     * @param {Object} object The object to iterate over.
     * @param {Function} iteratee The function invoked per iteration.
     * @param {Function} keysFunc The function to get the keys of `object`.
     * @returns {Object} Returns `object`.
     */
    var baseForRight = createBaseFor(true);

    /**
     * The base implementation of `_.forOwn` without support for iteratee shorthands.
     *
     * @private
     * @param {Object} object The object to iterate over.
     * @param {Function} iteratee The function invoked per iteration.
     * @returns {Object} Returns `object`.
     */
    function baseForOwn(object, iteratee) {
      return object && baseFor(object, iteratee, keys);
    }

    /**
     * The base implementation of `_.forOwnRight` without support for iteratee shorthands.
     *
     * @private
     * @param {Object} object The object to iterate over.
     * @param {Function} iteratee The function invoked per iteration.
     * @returns {Object} Returns `object`.
     */
    function baseForOwnRight(object, iteratee) {
      return object && baseForRight(object, iteratee, keys);
    }

    /**
     * The base implementation of `_.functions` which creates an array of
     * `object` function property names filtered from `props`.
     *
     * @private
     * @param {Object} object The object to inspect.
     * @param {Array} props The property names to filter.
     * @returns {Array} Returns the function names.
     */
    function baseFunctions(object, props) {
      return arrayFilter(props, function(key) {
        return isFunction(object[key]);
      });
    }

    /**
     * The base implementation of `_.get` without support for default values.
     *
     * @private
     * @param {Object} object The object to query.
     * @param {Array|string} path The path of the property to get.
     * @returns {*} Returns the resolved value.
     */
    function baseGet(object, path) {
      path = castPath(path, object);

      var index = 0,
          length = path.length;

      while (object != null && index < length) {
        object = object[toKey(path[index++])];
      }
      return (index && index == length) ? object : undefined;
    }

    /**
     * The base implementation of `getAllKeys` and `getAllKeysIn` which uses
     * `keysFunc` and `symbolsFunc` to get the enumerable property names and
     * symbols of `object`.
     *
     * @private
     * @param {Object} object The object to query.
     * @param {Function} keysFunc The function to get the keys of `object`.
     * @param {Function} symbolsFunc The function to get the symbols of `object`.
     * @returns {Array} Returns the array of property names and symbols.
     */
    function baseGetAllKeys(object, keysFunc, symbolsFunc) {
      var result = keysFunc(object);
      return isArray(object) ? result : arrayPush(result, symbolsFunc(object));
    }

    /**
     * The base implementation of `getTag` without fallbacks for buggy environments.
     *
     * @private
     * @param {*} value The value to query.
     * @returns {string} Returns the `toStringTag`.
     */
    function baseGetTag(value) {
      if (value == null) {
        return value === undefined ? undefinedTag : nullTag;
      }
      return (symToStringTag && symToStringTag in Object(value))
        ? getRawTag(value)
        : objectToString(value);
    }

    /**
     * The base implementation of `_.gt` which doesn't coerce arguments.
     *
     * @private
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @returns {boolean} Returns `true` if `value` is greater than `other`,
     *  else `false`.
     */
    function baseGt(value, other) {
      return value > other;
    }

    /**
     * The base implementation of `_.has` without support for deep paths.
     *
     * @private
     * @param {Object} [object] The object to query.
     * @param {Array|string} key The key to check.
     * @returns {boolean} Returns `true` if `key` exists, else `false`.
     */
    function baseHas(object, key) {
      return object != null && hasOwnProperty.call(object, key);
    }

    /**
     * The base implementation of `_.hasIn` without support for deep paths.
     *
     * @private
     * @param {Object} [object] The object to query.
     * @param {Array|string} key The key to check.
     * @returns {boolean} Returns `true` if `key` exists, else `false`.
     */
    function baseHasIn(object, key) {
      return object != null && key in Object(object);
    }

    /**
     * The base implementation of `_.inRange` which doesn't coerce arguments.
     *
     * @private
     * @param {number} number The number to check.
     * @param {number} start The start of the range.
     * @param {number} end The end of the range.
     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.
     */
    function baseInRange(number, start, end) {
      return number >= nativeMin(start, end) && number < nativeMax(start, end);
    }

    /**
     * The base implementation of methods like `_.intersection`, without support
     * for iteratee shorthands, that accepts an array of arrays to inspect.
     *
     * @private
     * @param {Array} arrays The arrays to inspect.
     * @param {Function} [iteratee] The iteratee invoked per element.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns the new array of shared values.
     */
    function baseIntersection(arrays, iteratee, comparator) {
      var includes = comparator ? arrayIncludesWith : arrayIncludes,
          length = arrays[0].length,
          othLength = arrays.length,
          othIndex = othLength,
          caches = Array(othLength),
          maxLength = Infinity,
          result = [];

      while (othIndex--) {
        var array = arrays[othIndex];
        if (othIndex && iteratee) {
          array = arrayMap(array, baseUnary(iteratee));
        }
        maxLength = nativeMin(array.length, maxLength);
        caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))
          ? new SetCache(othIndex && array)
          : undefined;
      }
      array = arrays[0];

      var index = -1,
          seen = caches[0];

      outer:
      while (++index < length && result.length < maxLength) {
        var value = array[index],
            computed = iteratee ? iteratee(value) : value;

        value = (comparator || value !== 0) ? value : 0;
        if (!(seen
              ? cacheHas(seen, computed)
              : includes(result, computed, comparator)
            )) {
          othIndex = othLength;
          while (--othIndex) {
            var cache = caches[othIndex];
            if (!(cache
                  ? cacheHas(cache, computed)
                  : includes(arrays[othIndex], computed, comparator))
                ) {
              continue outer;
            }
          }
          if (seen) {
            seen.push(computed);
          }
          result.push(value);
        }
      }
      return result;
    }

    /**
     * The base implementation of `_.invert` and `_.invertBy` which inverts
     * `object` with values transformed by `iteratee` and set by `setter`.
     *
     * @private
     * @param {Object} object The object to iterate over.
     * @param {Function} setter The function to set `accumulator` values.
     * @param {Function} iteratee The iteratee to transform values.
     * @param {Object} accumulator The initial inverted object.
     * @returns {Function} Returns `accumulator`.
     */
    function baseInverter(object, setter, iteratee, accumulator) {
      baseForOwn(object, function(value, key, object) {
        setter(accumulator, iteratee(value), key, object);
      });
      return accumulator;
    }

    /**
     * The base implementation of `_.invoke` without support for individual
     * method arguments.
     *
     * @private
     * @param {Object} object The object to query.
     * @param {Array|string} path The path of the method to invoke.
     * @param {Array} args The arguments to invoke the method with.
     * @returns {*} Returns the result of the invoked method.
     */
    function baseInvoke(object, path, args) {
      path = castPath(path, object);
      object = parent(object, path);
      var func = object == null ? object : object[toKey(last(path))];
      return func == null ? undefined : apply(func, object, args);
    }

    /**
     * The base implementation of `_.isArguments`.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is an `arguments` object,
     */
    function baseIsArguments(value) {
      return isObjectLike(value) && baseGetTag(value) == argsTag;
    }

    /**
     * The base implementation of `_.isArrayBuffer` without Node.js optimizations.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.
     */
    function baseIsArrayBuffer(value) {
      return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;
    }

    /**
     * The base implementation of `_.isDate` without Node.js optimizations.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.
     */
    function baseIsDate(value) {
      return isObjectLike(value) && baseGetTag(value) == dateTag;
    }

    /**
     * The base implementation of `_.isEqual` which supports partial comparisons
     * and tracks traversed objects.
     *
     * @private
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @param {boolean} bitmask The bitmask flags.
     *  1 - Unordered comparison
     *  2 - Partial comparison
     * @param {Function} [customizer] The function to customize comparisons.
     * @param {Object} [stack] Tracks traversed `value` and `other` objects.
     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
     */
    function baseIsEqual(value, other, bitmask, customizer, stack) {
      if (value === other) {
        return true;
      }
      if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {
        return value !== value && other !== other;
      }
      return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);
    }

    /**
     * A specialized version of `baseIsEqual` for arrays and objects which performs
     * deep comparisons and tracks traversed objects enabling objects with circular
     * references to be compared.
     *
     * @private
     * @param {Object} object The object to compare.
     * @param {Object} other The other object to compare.
     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
     * @param {Function} customizer The function to customize comparisons.
     * @param {Function} equalFunc The function to determine equivalents of values.
     * @param {Object} [stack] Tracks traversed `object` and `other` objects.
     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
     */
    function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {
      var objIsArr = isArray(object),
          othIsArr = isArray(other),
          objTag = objIsArr ? arrayTag : getTag(object),
          othTag = othIsArr ? arrayTag : getTag(other);

      objTag = objTag == argsTag ? objectTag : objTag;
      othTag = othTag == argsTag ? objectTag : othTag;

      var objIsObj = objTag == objectTag,
          othIsObj = othTag == objectTag,
          isSameTag = objTag == othTag;

      if (isSameTag && isBuffer(object)) {
        if (!isBuffer(other)) {
          return false;
        }
        objIsArr = true;
        objIsObj = false;
      }
      if (isSameTag && !objIsObj) {
        stack || (stack = new Stack);
        return (objIsArr || isTypedArray(object))
          ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)
          : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);
      }
      if (!(bitmask & COMPARE_PARTIAL_FLAG)) {
        var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),
            othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');

        if (objIsWrapped || othIsWrapped) {
          var objUnwrapped = objIsWrapped ? object.value() : object,
              othUnwrapped = othIsWrapped ? other.value() : other;

          stack || (stack = new Stack);
          return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);
        }
      }
      if (!isSameTag) {
        return false;
      }
      stack || (stack = new Stack);
      return equalObjects(object, other, bitmask, customizer, equalFunc, stack);
    }

    /**
     * The base implementation of `_.isMap` without Node.js optimizations.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a map, else `false`.
     */
    function baseIsMap(value) {
      return isObjectLike(value) && getTag(value) == mapTag;
    }

    /**
     * The base implementation of `_.isMatch` without support for iteratee shorthands.
     *
     * @private
     * @param {Object} object The object to inspect.
     * @param {Object} source The object of property values to match.
     * @param {Array} matchData The property names, values, and compare flags to match.
     * @param {Function} [customizer] The function to customize comparisons.
     * @returns {boolean} Returns `true` if `object` is a match, else `false`.
     */
    function baseIsMatch(object, source, matchData, customizer) {
      var index = matchData.length,
          length = index,
          noCustomizer = !customizer;

      if (object == null) {
        return !length;
      }
      object = Object(object);
      while (index--) {
        var data = matchData[index];
        if ((noCustomizer && data[2])
              ? data[1] !== object[data[0]]
              : !(data[0] in object)
            ) {
          return false;
        }
      }
      while (++index < length) {
        data = matchData[index];
        var key = data[0],
            objValue = object[key],
            srcValue = data[1];

        if (noCustomizer && data[2]) {
          if (objValue === undefined && !(key in object)) {
            return false;
          }
        } else {
          var stack = new Stack;
          if (customizer) {
            var result = customizer(objValue, srcValue, key, object, source, stack);
          }
          if (!(result === undefined
                ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)
                : result
              )) {
            return false;
          }
        }
      }
      return true;
    }

    /**
     * The base implementation of `_.isNative` without bad shim checks.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a native function,
     *  else `false`.
     */
    function baseIsNative(value) {
      if (!isObject(value) || isMasked(value)) {
        return false;
      }
      var pattern = isFunction(value) ? reIsNative : reIsHostCtor;
      return pattern.test(toSource(value));
    }

    /**
     * The base implementation of `_.isRegExp` without Node.js optimizations.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.
     */
    function baseIsRegExp(value) {
      return isObjectLike(value) && baseGetTag(value) == regexpTag;
    }

    /**
     * The base implementation of `_.isSet` without Node.js optimizations.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a set, else `false`.
     */
    function baseIsSet(value) {
      return isObjectLike(value) && getTag(value) == setTag;
    }

    /**
     * The base implementation of `_.isTypedArray` without Node.js optimizations.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
     */
    function baseIsTypedArray(value) {
      return isObjectLike(value) &&
        isLength(value.length) && !!typedArrayTags[baseGetTag(value)];
    }

    /**
     * The base implementation of `_.iteratee`.
     *
     * @private
     * @param {*} [value=_.identity] The value to convert to an iteratee.
     * @returns {Function} Returns the iteratee.
     */
    function baseIteratee(value) {
      // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.
      // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.
      if (typeof value == 'function') {
        return value;
      }
      if (value == null) {
        return identity;
      }
      if (typeof value == 'object') {
        return isArray(value)
          ? baseMatchesProperty(value[0], value[1])
          : baseMatches(value);
      }
      return property(value);
    }

    /**
     * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.
     *
     * @private
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property names.
     */
    function baseKeys(object) {
      if (!isPrototype(object)) {
        return nativeKeys(object);
      }
      var result = [];
      for (var key in Object(object)) {
        if (hasOwnProperty.call(object, key) && key != 'constructor') {
          result.push(key);
        }
      }
      return result;
    }

    /**
     * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.
     *
     * @private
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property names.
     */
    function baseKeysIn(object) {
      if (!isObject(object)) {
        return nativeKeysIn(object);
      }
      var isProto = isPrototype(object),
          result = [];

      for (var key in object) {
        if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {
          result.push(key);
        }
      }
      return result;
    }

    /**
     * The base implementation of `_.lt` which doesn't coerce arguments.
     *
     * @private
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @returns {boolean} Returns `true` if `value` is less than `other`,
     *  else `false`.
     */
    function baseLt(value, other) {
      return value < other;
    }

    /**
     * The base implementation of `_.map` without support for iteratee shorthands.
     *
     * @private
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} iteratee The function invoked per iteration.
     * @returns {Array} Returns the new mapped array.
     */
    function baseMap(collection, iteratee) {
      var index = -1,
          result = isArrayLike(collection) ? Array(collection.length) : [];

      baseEach(collection, function(value, key, collection) {
        result[++index] = iteratee(value, key, collection);
      });
      return result;
    }

    /**
     * The base implementation of `_.matches` which doesn't clone `source`.
     *
     * @private
     * @param {Object} source The object of property values to match.
     * @returns {Function} Returns the new spec function.
     */
    function baseMatches(source) {
      var matchData = getMatchData(source);
      if (matchData.length == 1 && matchData[0][2]) {
        return matchesStrictComparable(matchData[0][0], matchData[0][1]);
      }
      return function(object) {
        return object === source || baseIsMatch(object, source, matchData);
      };
    }

    /**
     * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.
     *
     * @private
     * @param {string} path The path of the property to get.
     * @param {*} srcValue The value to match.
     * @returns {Function} Returns the new spec function.
     */
    function baseMatchesProperty(path, srcValue) {
      if (isKey(path) && isStrictComparable(srcValue)) {
        return matchesStrictComparable(toKey(path), srcValue);
      }
      return function(object) {
        var objValue = get(object, path);
        return (objValue === undefined && objValue === srcValue)
          ? hasIn(object, path)
          : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);
      };
    }

    /**
     * The base implementation of `_.merge` without support for multiple sources.
     *
     * @private
     * @param {Object} object The destination object.
     * @param {Object} source The source object.
     * @param {number} srcIndex The index of `source`.
     * @param {Function} [customizer] The function to customize merged values.
     * @param {Object} [stack] Tracks traversed source values and their merged
     *  counterparts.
     */
    function baseMerge(object, source, srcIndex, customizer, stack) {
      if (object === source) {
        return;
      }
      baseFor(source, function(srcValue, key) {
        if (isObject(srcValue)) {
          stack || (stack = new Stack);
          baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);
        }
        else {
          var newValue = customizer
            ? customizer(safeGet(object, key), srcValue, (key + ''), object, source, stack)
            : undefined;

          if (newValue === undefined) {
            newValue = srcValue;
          }
          assignMergeValue(object, key, newValue);
        }
      }, keysIn);
    }

    /**
     * A specialized version of `baseMerge` for arrays and objects which performs
     * deep merges and tracks traversed objects enabling objects with circular
     * references to be merged.
     *
     * @private
     * @param {Object} object The destination object.
     * @param {Object} source The source object.
     * @param {string} key The key of the value to merge.
     * @param {number} srcIndex The index of `source`.
     * @param {Function} mergeFunc The function to merge values.
     * @param {Function} [customizer] The function to customize assigned values.
     * @param {Object} [stack] Tracks traversed source values and their merged
     *  counterparts.
     */
    function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {
      var objValue = safeGet(object, key),
          srcValue = safeGet(source, key),
          stacked = stack.get(srcValue);

      if (stacked) {
        assignMergeValue(object, key, stacked);
        return;
      }
      var newValue = customizer
        ? customizer(objValue, srcValue, (key + ''), object, source, stack)
        : undefined;

      var isCommon = newValue === undefined;

      if (isCommon) {
        var isArr = isArray(srcValue),
            isBuff = !isArr && isBuffer(srcValue),
            isTyped = !isArr && !isBuff && isTypedArray(srcValue);

        newValue = srcValue;
        if (isArr || isBuff || isTyped) {
          if (isArray(objValue)) {
            newValue = objValue;
          }
          else if (isArrayLikeObject(objValue)) {
            newValue = copyArray(objValue);
          }
          else if (isBuff) {
            isCommon = false;
            newValue = cloneBuffer(srcValue, true);
          }
          else if (isTyped) {
            isCommon = false;
            newValue = cloneTypedArray(srcValue, true);
          }
          else {
            newValue = [];
          }
        }
        else if (isPlainObject(srcValue) || isArguments(srcValue)) {
          newValue = objValue;
          if (isArguments(objValue)) {
            newValue = toPlainObject(objValue);
          }
          else if (!isObject(objValue) || (srcIndex && isFunction(objValue))) {
            newValue = initCloneObject(srcValue);
          }
        }
        else {
          isCommon = false;
        }
      }
      if (isCommon) {
        // Recursively merge objects and arrays (susceptible to call stack limits).
        stack.set(srcValue, newValue);
        mergeFunc(newValue, srcValue, srcIndex, customizer, stack);
        stack['delete'](srcValue);
      }
      assignMergeValue(object, key, newValue);
    }

    /**
     * The base implementation of `_.nth` which doesn't coerce arguments.
     *
     * @private
     * @param {Array} array The array to query.
     * @param {number} n The index of the element to return.
     * @returns {*} Returns the nth element of `array`.
     */
    function baseNth(array, n) {
      var length = array.length;
      if (!length) {
        return;
      }
      n += n < 0 ? length : 0;
      return isIndex(n, length) ? array[n] : undefined;
    }

    /**
     * The base implementation of `_.orderBy` without param guards.
     *
     * @private
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.
     * @param {string[]} orders The sort orders of `iteratees`.
     * @returns {Array} Returns the new sorted array.
     */
    function baseOrderBy(collection, iteratees, orders) {
      var index = -1;
      iteratees = arrayMap(iteratees.length ? iteratees : [identity], baseUnary(getIteratee()));

      var result = baseMap(collection, function(value, key, collection) {
        var criteria = arrayMap(iteratees, function(iteratee) {
          return iteratee(value);
        });
        return { 'criteria': criteria, 'index': ++index, 'value': value };
      });

      return baseSortBy(result, function(object, other) {
        return compareMultiple(object, other, orders);
      });
    }

    /**
     * The base implementation of `_.pick` without support for individual
     * property identifiers.
     *
     * @private
     * @param {Object} object The source object.
     * @param {string[]} paths The property paths to pick.
     * @returns {Object} Returns the new object.
     */
    function basePick(object, paths) {
      return basePickBy(object, paths, function(value, path) {
        return hasIn(object, path);
      });
    }

    /**
     * The base implementation of  `_.pickBy` without support for iteratee shorthands.
     *
     * @private
     * @param {Object} object The source object.
     * @param {string[]} paths The property paths to pick.
     * @param {Function} predicate The function invoked per property.
     * @returns {Object} Returns the new object.
     */
    function basePickBy(object, paths, predicate) {
      var index = -1,
          length = paths.length,
          result = {};

      while (++index < length) {
        var path = paths[index],
            value = baseGet(object, path);

        if (predicate(value, path)) {
          baseSet(result, castPath(path, object), value);
        }
      }
      return result;
    }

    /**
     * A specialized version of `baseProperty` which supports deep paths.
     *
     * @private
     * @param {Array|string} path The path of the property to get.
     * @returns {Function} Returns the new accessor function.
     */
    function basePropertyDeep(path) {
      return function(object) {
        return baseGet(object, path);
      };
    }

    /**
     * The base implementation of `_.pullAllBy` without support for iteratee
     * shorthands.
     *
     * @private
     * @param {Array} array The array to modify.
     * @param {Array} values The values to remove.
     * @param {Function} [iteratee] The iteratee invoked per element.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns `array`.
     */
    function basePullAll(array, values, iteratee, comparator) {
      var indexOf = comparator ? baseIndexOfWith : baseIndexOf,
          index = -1,
          length = values.length,
          seen = array;

      if (array === values) {
        values = copyArray(values);
      }
      if (iteratee) {
        seen = arrayMap(array, baseUnary(iteratee));
      }
      while (++index < length) {
        var fromIndex = 0,
            value = values[index],
            computed = iteratee ? iteratee(value) : value;

        while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {
          if (seen !== array) {
            splice.call(seen, fromIndex, 1);
          }
          splice.call(array, fromIndex, 1);
        }
      }
      return array;
    }

    /**
     * The base implementation of `_.pullAt` without support for individual
     * indexes or capturing the removed elements.
     *
     * @private
     * @param {Array} array The array to modify.
     * @param {number[]} indexes The indexes of elements to remove.
     * @returns {Array} Returns `array`.
     */
    function basePullAt(array, indexes) {
      var length = array ? indexes.length : 0,
          lastIndex = length - 1;

      while (length--) {
        var index = indexes[length];
        if (length == lastIndex || index !== previous) {
          var previous = index;
          if (isIndex(index)) {
            splice.call(array, index, 1);
          } else {
            baseUnset(array, index);
          }
        }
      }
      return array;
    }

    /**
     * The base implementation of `_.random` without support for returning
     * floating-point numbers.
     *
     * @private
     * @param {number} lower The lower bound.
     * @param {number} upper The upper bound.
     * @returns {number} Returns the random number.
     */
    function baseRandom(lower, upper) {
      return lower + nativeFloor(nativeRandom() * (upper - lower + 1));
    }

    /**
     * The base implementation of `_.range` and `_.rangeRight` which doesn't
     * coerce arguments.
     *
     * @private
     * @param {number} start The start of the range.
     * @param {number} end The end of the range.
     * @param {number} step The value to increment or decrement by.
     * @param {boolean} [fromRight] Specify iterating from right to left.
     * @returns {Array} Returns the range of numbers.
     */
    function baseRange(start, end, step, fromRight) {
      var index = -1,
          length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),
          result = Array(length);

      while (length--) {
        result[fromRight ? length : ++index] = start;
        start += step;
      }
      return result;
    }

    /**
     * The base implementation of `_.repeat` which doesn't coerce arguments.
     *
     * @private
     * @param {string} string The string to repeat.
     * @param {number} n The number of times to repeat the string.
     * @returns {string} Returns the repeated string.
     */
    function baseRepeat(string, n) {
      var result = '';
      if (!string || n < 1 || n > MAX_SAFE_INTEGER) {
        return result;
      }
      // Leverage the exponentiation by squaring algorithm for a faster repeat.
      // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.
      do {
        if (n % 2) {
          result += string;
        }
        n = nativeFloor(n / 2);
        if (n) {
          string += string;
        }
      } while (n);

      return result;
    }

    /**
     * The base implementation of `_.rest` which doesn't validate or coerce arguments.
     *
     * @private
     * @param {Function} func The function to apply a rest parameter to.
     * @param {number} [start=func.length-1] The start position of the rest parameter.
     * @returns {Function} Returns the new function.
     */
    function baseRest(func, start) {
      return setToString(overRest(func, start, identity), func + '');
    }

    /**
     * The base implementation of `_.sample`.
     *
     * @private
     * @param {Array|Object} collection The collection to sample.
     * @returns {*} Returns the random element.
     */
    function baseSample(collection) {
      return arraySample(values(collection));
    }

    /**
     * The base implementation of `_.sampleSize` without param guards.
     *
     * @private
     * @param {Array|Object} collection The collection to sample.
     * @param {number} n The number of elements to sample.
     * @returns {Array} Returns the random elements.
     */
    function baseSampleSize(collection, n) {
      var array = values(collection);
      return shuffleSelf(array, baseClamp(n, 0, array.length));
    }

    /**
     * The base implementation of `_.set`.
     *
     * @private
     * @param {Object} object The object to modify.
     * @param {Array|string} path The path of the property to set.
     * @param {*} value The value to set.
     * @param {Function} [customizer] The function to customize path creation.
     * @returns {Object} Returns `object`.
     */
    function baseSet(object, path, value, customizer) {
      if (!isObject(object)) {
        return object;
      }
      path = castPath(path, object);

      var index = -1,
          length = path.length,
          lastIndex = length - 1,
          nested = object;

      while (nested != null && ++index < length) {
        var key = toKey(path[index]),
            newValue = value;

        if (index != lastIndex) {
          var objValue = nested[key];
          newValue = customizer ? customizer(objValue, key, nested) : undefined;
          if (newValue === undefined) {
            newValue = isObject(objValue)
              ? objValue
              : (isIndex(path[index + 1]) ? [] : {});
          }
        }
        assignValue(nested, key, newValue);
        nested = nested[key];
      }
      return object;
    }

    /**
     * The base implementation of `setData` without support for hot loop shorting.
     *
     * @private
     * @param {Function} func The function to associate metadata with.
     * @param {*} data The metadata.
     * @returns {Function} Returns `func`.
     */
    var baseSetData = !metaMap ? identity : function(func, data) {
      metaMap.set(func, data);
      return func;
    };

    /**
     * The base implementation of `setToString` without support for hot loop shorting.
     *
     * @private
     * @param {Function} func The function to modify.
     * @param {Function} string The `toString` result.
     * @returns {Function} Returns `func`.
     */
    var baseSetToString = !defineProperty ? identity : function(func, string) {
      return defineProperty(func, 'toString', {
        'configurable': true,
        'enumerable': false,
        'value': constant(string),
        'writable': true
      });
    };

    /**
     * The base implementation of `_.shuffle`.
     *
     * @private
     * @param {Array|Object} collection The collection to shuffle.
     * @returns {Array} Returns the new shuffled array.
     */
    function baseShuffle(collection) {
      return shuffleSelf(values(collection));
    }

    /**
     * The base implementation of `_.slice` without an iteratee call guard.
     *
     * @private
     * @param {Array} array The array to slice.
     * @param {number} [start=0] The start position.
     * @param {number} [end=array.length] The end position.
     * @returns {Array} Returns the slice of `array`.
     */
    function baseSlice(array, start, end) {
      var index = -1,
          length = array.length;

      if (start < 0) {
        start = -start > length ? 0 : (length + start);
      }
      end = end > length ? length : end;
      if (end < 0) {
        end += length;
      }
      length = start > end ? 0 : ((end - start) >>> 0);
      start >>>= 0;

      var result = Array(length);
      while (++index < length) {
        result[index] = array[index + start];
      }
      return result;
    }

    /**
     * The base implementation of `_.some` without support for iteratee shorthands.
     *
     * @private
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} predicate The function invoked per iteration.
     * @returns {boolean} Returns `true` if any element passes the predicate check,
     *  else `false`.
     */
    function baseSome(collection, predicate) {
      var result;

      baseEach(collection, function(value, index, collection) {
        result = predicate(value, index, collection);
        return !result;
      });
      return !!result;
    }

    /**
     * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which
     * performs a binary search of `array` to determine the index at which `value`
     * should be inserted into `array` in order to maintain its sort order.
     *
     * @private
     * @param {Array} array The sorted array to inspect.
     * @param {*} value The value to evaluate.
     * @param {boolean} [retHighest] Specify returning the highest qualified index.
     * @returns {number} Returns the index at which `value` should be inserted
     *  into `array`.
     */
    function baseSortedIndex(array, value, retHighest) {
      var low = 0,
          high = array == null ? low : array.length;

      if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {
        while (low < high) {
          var mid = (low + high) >>> 1,
              computed = array[mid];

          if (computed !== null && !isSymbol(computed) &&
              (retHighest ? (computed <= value) : (computed < value))) {
            low = mid + 1;
          } else {
            high = mid;
          }
        }
        return high;
      }
      return baseSortedIndexBy(array, value, identity, retHighest);
    }

    /**
     * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`
     * which invokes `iteratee` for `value` and each element of `array` to compute
     * their sort ranking. The iteratee is invoked with one argument; (value).
     *
     * @private
     * @param {Array} array The sorted array to inspect.
     * @param {*} value The value to evaluate.
     * @param {Function} iteratee The iteratee invoked per element.
     * @param {boolean} [retHighest] Specify returning the highest qualified index.
     * @returns {number} Returns the index at which `value` should be inserted
     *  into `array`.
     */
    function baseSortedIndexBy(array, value, iteratee, retHighest) {
      value = iteratee(value);

      var low = 0,
          high = array == null ? 0 : array.length,
          valIsNaN = value !== value,
          valIsNull = value === null,
          valIsSymbol = isSymbol(value),
          valIsUndefined = value === undefined;

      while (low < high) {
        var mid = nativeFloor((low + high) / 2),
            computed = iteratee(array[mid]),
            othIsDefined = computed !== undefined,
            othIsNull = computed === null,
            othIsReflexive = computed === computed,
            othIsSymbol = isSymbol(computed);

        if (valIsNaN) {
          var setLow = retHighest || othIsReflexive;
        } else if (valIsUndefined) {
          setLow = othIsReflexive && (retHighest || othIsDefined);
        } else if (valIsNull) {
          setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);
        } else if (valIsSymbol) {
          setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);
        } else if (othIsNull || othIsSymbol) {
          setLow = false;
        } else {
          setLow = retHighest ? (computed <= value) : (computed < value);
        }
        if (setLow) {
          low = mid + 1;
        } else {
          high = mid;
        }
      }
      return nativeMin(high, MAX_ARRAY_INDEX);
    }

    /**
     * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without
     * support for iteratee shorthands.
     *
     * @private
     * @param {Array} array The array to inspect.
     * @param {Function} [iteratee] The iteratee invoked per element.
     * @returns {Array} Returns the new duplicate free array.
     */
    function baseSortedUniq(array, iteratee) {
      var index = -1,
          length = array.length,
          resIndex = 0,
          result = [];

      while (++index < length) {
        var value = array[index],
            computed = iteratee ? iteratee(value) : value;

        if (!index || !eq(computed, seen)) {
          var seen = computed;
          result[resIndex++] = value === 0 ? 0 : value;
        }
      }
      return result;
    }

    /**
     * The base implementation of `_.toNumber` which doesn't ensure correct
     * conversions of binary, hexadecimal, or octal string values.
     *
     * @private
     * @param {*} value The value to process.
     * @returns {number} Returns the number.
     */
    function baseToNumber(value) {
      if (typeof value == 'number') {
        return value;
      }
      if (isSymbol(value)) {
        return NAN;
      }
      return +value;
    }

    /**
     * The base implementation of `_.toString` which doesn't convert nullish
     * values to empty strings.
     *
     * @private
     * @param {*} value The value to process.
     * @returns {string} Returns the string.
     */
    function baseToString(value) {
      // Exit early for strings to avoid a performance hit in some environments.
      if (typeof value == 'string') {
        return value;
      }
      if (isArray(value)) {
        // Recursively convert values (susceptible to call stack limits).
        return arrayMap(value, baseToString) + '';
      }
      if (isSymbol(value)) {
        return symbolToString ? symbolToString.call(value) : '';
      }
      var result = (value + '');
      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
    }

    /**
     * The base implementation of `_.uniqBy` without support for iteratee shorthands.
     *
     * @private
     * @param {Array} array The array to inspect.
     * @param {Function} [iteratee] The iteratee invoked per element.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns the new duplicate free array.
     */
    function baseUniq(array, iteratee, comparator) {
      var index = -1,
          includes = arrayIncludes,
          length = array.length,
          isCommon = true,
          result = [],
          seen = result;

      if (comparator) {
        isCommon = false;
        includes = arrayIncludesWith;
      }
      else if (length >= LARGE_ARRAY_SIZE) {
        var set = iteratee ? null : createSet(array);
        if (set) {
          return setToArray(set);
        }
        isCommon = false;
        includes = cacheHas;
        seen = new SetCache;
      }
      else {
        seen = iteratee ? [] : result;
      }
      outer:
      while (++index < length) {
        var value = array[index],
            computed = iteratee ? iteratee(value) : value;

        value = (comparator || value !== 0) ? value : 0;
        if (isCommon && computed === computed) {
          var seenIndex = seen.length;
          while (seenIndex--) {
            if (seen[seenIndex] === computed) {
              continue outer;
            }
          }
          if (iteratee) {
            seen.push(computed);
          }
          result.push(value);
        }
        else if (!includes(seen, computed, comparator)) {
          if (seen !== result) {
            seen.push(computed);
          }
          result.push(value);
        }
      }
      return result;
    }

    /**
     * The base implementation of `_.unset`.
     *
     * @private
     * @param {Object} object The object to modify.
     * @param {Array|string} path The property path to unset.
     * @returns {boolean} Returns `true` if the property is deleted, else `false`.
     */
    function baseUnset(object, path) {
      path = castPath(path, object);
      object = parent(object, path);
      return object == null || delete object[toKey(last(path))];
    }

    /**
     * The base implementation of `_.update`.
     *
     * @private
     * @param {Object} object The object to modify.
     * @param {Array|string} path The path of the property to update.
     * @param {Function} updater The function to produce the updated value.
     * @param {Function} [customizer] The function to customize path creation.
     * @returns {Object} Returns `object`.
     */
    function baseUpdate(object, path, updater, customizer) {
      return baseSet(object, path, updater(baseGet(object, path)), customizer);
    }

    /**
     * The base implementation of methods like `_.dropWhile` and `_.takeWhile`
     * without support for iteratee shorthands.
     *
     * @private
     * @param {Array} array The array to query.
     * @param {Function} predicate The function invoked per iteration.
     * @param {boolean} [isDrop] Specify dropping elements instead of taking them.
     * @param {boolean} [fromRight] Specify iterating from right to left.
     * @returns {Array} Returns the slice of `array`.
     */
    function baseWhile(array, predicate, isDrop, fromRight) {
      var length = array.length,
          index = fromRight ? length : -1;

      while ((fromRight ? index-- : ++index < length) &&
        predicate(array[index], index, array)) {}

      return isDrop
        ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))
        : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));
    }

    /**
     * The base implementation of `wrapperValue` which returns the result of
     * performing a sequence of actions on the unwrapped `value`, where each
     * successive action is supplied the return value of the previous.
     *
     * @private
     * @param {*} value The unwrapped value.
     * @param {Array} actions Actions to perform to resolve the unwrapped value.
     * @returns {*} Returns the resolved value.
     */
    function baseWrapperValue(value, actions) {
      var result = value;
      if (result instanceof LazyWrapper) {
        result = result.value();
      }
      return arrayReduce(actions, function(result, action) {
        return action.func.apply(action.thisArg, arrayPush([result], action.args));
      }, result);
    }

    /**
     * The base implementation of methods like `_.xor`, without support for
     * iteratee shorthands, that accepts an array of arrays to inspect.
     *
     * @private
     * @param {Array} arrays The arrays to inspect.
     * @param {Function} [iteratee] The iteratee invoked per element.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns the new array of values.
     */
    function baseXor(arrays, iteratee, comparator) {
      var length = arrays.length;
      if (length < 2) {
        return length ? baseUniq(arrays[0]) : [];
      }
      var index = -1,
          result = Array(length);

      while (++index < length) {
        var array = arrays[index],
            othIndex = -1;

        while (++othIndex < length) {
          if (othIndex != index) {
            result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);
          }
        }
      }
      return baseUniq(baseFlatten(result, 1), iteratee, comparator);
    }

    /**
     * This base implementation of `_.zipObject` which assigns values using `assignFunc`.
     *
     * @private
     * @param {Array} props The property identifiers.
     * @param {Array} values The property values.
     * @param {Function} assignFunc The function to assign values.
     * @returns {Object} Returns the new object.
     */
    function baseZipObject(props, values, assignFunc) {
      var index = -1,
          length = props.length,
          valsLength = values.length,
          result = {};

      while (++index < length) {
        var value = index < valsLength ? values[index] : undefined;
        assignFunc(result, props[index], value);
      }
      return result;
    }

    /**
     * Casts `value` to an empty array if it's not an array like object.
     *
     * @private
     * @param {*} value The value to inspect.
     * @returns {Array|Object} Returns the cast array-like object.
     */
    function castArrayLikeObject(value) {
      return isArrayLikeObject(value) ? value : [];
    }

    /**
     * Casts `value` to `identity` if it's not a function.
     *
     * @private
     * @param {*} value The value to inspect.
     * @returns {Function} Returns cast function.
     */
    function castFunction(value) {
      return typeof value == 'function' ? value : identity;
    }

    /**
     * Casts `value` to a path array if it's not one.
     *
     * @private
     * @param {*} value The value to inspect.
     * @param {Object} [object] The object to query keys on.
     * @returns {Array} Returns the cast property path array.
     */
    function castPath(value, object) {
      if (isArray(value)) {
        return value;
      }
      return isKey(value, object) ? [value] : stringToPath(toString(value));
    }

    /**
     * A `baseRest` alias which can be replaced with `identity` by module
     * replacement plugins.
     *
     * @private
     * @type {Function}
     * @param {Function} func The function to apply a rest parameter to.
     * @returns {Function} Returns the new function.
     */
    var castRest = baseRest;

    /**
     * Casts `array` to a slice if it's needed.
     *
     * @private
     * @param {Array} array The array to inspect.
     * @param {number} start The start position.
     * @param {number} [end=array.length] The end position.
     * @returns {Array} Returns the cast slice.
     */
    function castSlice(array, start, end) {
      var length = array.length;
      end = end === undefined ? length : end;
      return (!start && end >= length) ? array : baseSlice(array, start, end);
    }

    /**
     * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).
     *
     * @private
     * @param {number|Object} id The timer id or timeout object of the timer to clear.
     */
    var clearTimeout = ctxClearTimeout || function(id) {
      return root.clearTimeout(id);
    };

    /**
     * Creates a clone of  `buffer`.
     *
     * @private
     * @param {Buffer} buffer The buffer to clone.
     * @param {boolean} [isDeep] Specify a deep clone.
     * @returns {Buffer} Returns the cloned buffer.
     */
    function cloneBuffer(buffer, isDeep) {
      if (isDeep) {
        return buffer.slice();
      }
      var length = buffer.length,
          result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);

      buffer.copy(result);
      return result;
    }

    /**
     * Creates a clone of `arrayBuffer`.
     *
     * @private
     * @param {ArrayBuffer} arrayBuffer The array buffer to clone.
     * @returns {ArrayBuffer} Returns the cloned array buffer.
     */
    function cloneArrayBuffer(arrayBuffer) {
      var result = new arrayBuffer.constructor(arrayBuffer.byteLength);
      new Uint8Array(result).set(new Uint8Array(arrayBuffer));
      return result;
    }

    /**
     * Creates a clone of `dataView`.
     *
     * @private
     * @param {Object} dataView The data view to clone.
     * @param {boolean} [isDeep] Specify a deep clone.
     * @returns {Object} Returns the cloned data view.
     */
    function cloneDataView(dataView, isDeep) {
      var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;
      return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);
    }

    /**
     * Creates a clone of `regexp`.
     *
     * @private
     * @param {Object} regexp The regexp to clone.
     * @returns {Object} Returns the cloned regexp.
     */
    function cloneRegExp(regexp) {
      var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));
      result.lastIndex = regexp.lastIndex;
      return result;
    }

    /**
     * Creates a clone of the `symbol` object.
     *
     * @private
     * @param {Object} symbol The symbol object to clone.
     * @returns {Object} Returns the cloned symbol object.
     */
    function cloneSymbol(symbol) {
      return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};
    }

    /**
     * Creates a clone of `typedArray`.
     *
     * @private
     * @param {Object} typedArray The typed array to clone.
     * @param {boolean} [isDeep] Specify a deep clone.
     * @returns {Object} Returns the cloned typed array.
     */
    function cloneTypedArray(typedArray, isDeep) {
      var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;
      return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);
    }

    /**
     * Compares values to sort them in ascending order.
     *
     * @private
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @returns {number} Returns the sort order indicator for `value`.
     */
    function compareAscending(value, other) {
      if (value !== other) {
        var valIsDefined = value !== undefined,
            valIsNull = value === null,
            valIsReflexive = value === value,
            valIsSymbol = isSymbol(value);

        var othIsDefined = other !== undefined,
            othIsNull = other === null,
            othIsReflexive = other === other,
            othIsSymbol = isSymbol(other);

        if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||
            (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||
            (valIsNull && othIsDefined && othIsReflexive) ||
            (!valIsDefined && othIsReflexive) ||
            !valIsReflexive) {
          return 1;
        }
        if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||
            (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||
            (othIsNull && valIsDefined && valIsReflexive) ||
            (!othIsDefined && valIsReflexive) ||
            !othIsReflexive) {
          return -1;
        }
      }
      return 0;
    }

    /**
     * Used by `_.orderBy` to compare multiple properties of a value to another
     * and stable sort them.
     *
     * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,
     * specify an order of "desc" for descending or "asc" for ascending sort order
     * of corresponding values.
     *
     * @private
     * @param {Object} object The object to compare.
     * @param {Object} other The other object to compare.
     * @param {boolean[]|string[]} orders The order to sort by for each property.
     * @returns {number} Returns the sort order indicator for `object`.
     */
    function compareMultiple(object, other, orders) {
      var index = -1,
          objCriteria = object.criteria,
          othCriteria = other.criteria,
          length = objCriteria.length,
          ordersLength = orders.length;

      while (++index < length) {
        var result = compareAscending(objCriteria[index], othCriteria[index]);
        if (result) {
          if (index >= ordersLength) {
            return result;
          }
          var order = orders[index];
          return result * (order == 'desc' ? -1 : 1);
        }
      }
      // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications
      // that causes it, under certain circumstances, to provide the same value for
      // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247
      // for more details.
      //
      // This also ensures a stable sort in V8 and other engines.
      // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.
      return object.index - other.index;
    }

    /**
     * Creates an array that is the composition of partially applied arguments,
     * placeholders, and provided arguments into a single array of arguments.
     *
     * @private
     * @param {Array} args The provided arguments.
     * @param {Array} partials The arguments to prepend to those provided.
     * @param {Array} holders The `partials` placeholder indexes.
     * @params {boolean} [isCurried] Specify composing for a curried function.
     * @returns {Array} Returns the new array of composed arguments.
     */
    function composeArgs(args, partials, holders, isCurried) {
      var argsIndex = -1,
          argsLength = args.length,
          holdersLength = holders.length,
          leftIndex = -1,
          leftLength = partials.length,
          rangeLength = nativeMax(argsLength - holdersLength, 0),
          result = Array(leftLength + rangeLength),
          isUncurried = !isCurried;

      while (++leftIndex < leftLength) {
        result[leftIndex] = partials[leftIndex];
      }
      while (++argsIndex < holdersLength) {
        if (isUncurried || argsIndex < argsLength) {
          result[holders[argsIndex]] = args[argsIndex];
        }
      }
      while (rangeLength--) {
        result[leftIndex++] = args[argsIndex++];
      }
      return result;
    }

    /**
     * This function is like `composeArgs` except that the arguments composition
     * is tailored for `_.partialRight`.
     *
     * @private
     * @param {Array} args The provided arguments.
     * @param {Array} partials The arguments to append to those provided.
     * @param {Array} holders The `partials` placeholder indexes.
     * @params {boolean} [isCurried] Specify composing for a curried function.
     * @returns {Array} Returns the new array of composed arguments.
     */
    function composeArgsRight(args, partials, holders, isCurried) {
      var argsIndex = -1,
          argsLength = args.length,
          holdersIndex = -1,
          holdersLength = holders.length,
          rightIndex = -1,
          rightLength = partials.length,
          rangeLength = nativeMax(argsLength - holdersLength, 0),
          result = Array(rangeLength + rightLength),
          isUncurried = !isCurried;

      while (++argsIndex < rangeLength) {
        result[argsIndex] = args[argsIndex];
      }
      var offset = argsIndex;
      while (++rightIndex < rightLength) {
        result[offset + rightIndex] = partials[rightIndex];
      }
      while (++holdersIndex < holdersLength) {
        if (isUncurried || argsIndex < argsLength) {
          result[offset + holders[holdersIndex]] = args[argsIndex++];
        }
      }
      return result;
    }

    /**
     * Copies the values of `source` to `array`.
     *
     * @private
     * @param {Array} source The array to copy values from.
     * @param {Array} [array=[]] The array to copy values to.
     * @returns {Array} Returns `array`.
     */
    function copyArray(source, array) {
      var index = -1,
          length = source.length;

      array || (array = Array(length));
      while (++index < length) {
        array[index] = source[index];
      }
      return array;
    }

    /**
     * Copies properties of `source` to `object`.
     *
     * @private
     * @param {Object} source The object to copy properties from.
     * @param {Array} props The property identifiers to copy.
     * @param {Object} [object={}] The object to copy properties to.
     * @param {Function} [customizer] The function to customize copied values.
     * @returns {Object} Returns `object`.
     */
    function copyObject(source, props, object, customizer) {
      var isNew = !object;
      object || (object = {});

      var index = -1,
          length = props.length;

      while (++index < length) {
        var key = props[index];

        var newValue = customizer
          ? customizer(object[key], source[key], key, object, source)
          : undefined;

        if (newValue === undefined) {
          newValue = source[key];
        }
        if (isNew) {
          baseAssignValue(object, key, newValue);
        } else {
          assignValue(object, key, newValue);
        }
      }
      return object;
    }

    /**
     * Copies own symbols of `source` to `object`.
     *
     * @private
     * @param {Object} source The object to copy symbols from.
     * @param {Object} [object={}] The object to copy symbols to.
     * @returns {Object} Returns `object`.
     */
    function copySymbols(source, object) {
      return copyObject(source, getSymbols(source), object);
    }

    /**
     * Copies own and inherited symbols of `source` to `object`.
     *
     * @private
     * @param {Object} source The object to copy symbols from.
     * @param {Object} [object={}] The object to copy symbols to.
     * @returns {Object} Returns `object`.
     */
    function copySymbolsIn(source, object) {
      return copyObject(source, getSymbolsIn(source), object);
    }

    /**
     * Creates a function like `_.groupBy`.
     *
     * @private
     * @param {Function} setter The function to set accumulator values.
     * @param {Function} [initializer] The accumulator object initializer.
     * @returns {Function} Returns the new aggregator function.
     */
    function createAggregator(setter, initializer) {
      return function(collection, iteratee) {
        var func = isArray(collection) ? arrayAggregator : baseAggregator,
            accumulator = initializer ? initializer() : {};

        return func(collection, setter, getIteratee(iteratee, 2), accumulator);
      };
    }

    /**
     * Creates a function like `_.assign`.
     *
     * @private
     * @param {Function} assigner The function to assign values.
     * @returns {Function} Returns the new assigner function.
     */
    function createAssigner(assigner) {
      return baseRest(function(object, sources) {
        var index = -1,
            length = sources.length,
            customizer = length > 1 ? sources[length - 1] : undefined,
            guard = length > 2 ? sources[2] : undefined;

        customizer = (assigner.length > 3 && typeof customizer == 'function')
          ? (length--, customizer)
          : undefined;

        if (guard && isIterateeCall(sources[0], sources[1], guard)) {
          customizer = length < 3 ? undefined : customizer;
          length = 1;
        }
        object = Object(object);
        while (++index < length) {
          var source = sources[index];
          if (source) {
            assigner(object, source, index, customizer);
          }
        }
        return object;
      });
    }

    /**
     * Creates a `baseEach` or `baseEachRight` function.
     *
     * @private
     * @param {Function} eachFunc The function to iterate over a collection.
     * @param {boolean} [fromRight] Specify iterating from right to left.
     * @returns {Function} Returns the new base function.
     */
    function createBaseEach(eachFunc, fromRight) {
      return function(collection, iteratee) {
        if (collection == null) {
          return collection;
        }
        if (!isArrayLike(collection)) {
          return eachFunc(collection, iteratee);
        }
        var length = collection.length,
            index = fromRight ? length : -1,
            iterable = Object(collection);

        while ((fromRight ? index-- : ++index < length)) {
          if (iteratee(iterable[index], index, iterable) === false) {
            break;
          }
        }
        return collection;
      };
    }

    /**
     * Creates a base function for methods like `_.forIn` and `_.forOwn`.
     *
     * @private
     * @param {boolean} [fromRight] Specify iterating from right to left.
     * @returns {Function} Returns the new base function.
     */
    function createBaseFor(fromRight) {
      return function(object, iteratee, keysFunc) {
        var index = -1,
            iterable = Object(object),
            props = keysFunc(object),
            length = props.length;

        while (length--) {
          var key = props[fromRight ? length : ++index];
          if (iteratee(iterable[key], key, iterable) === false) {
            break;
          }
        }
        return object;
      };
    }

    /**
     * Creates a function that wraps `func` to invoke it with the optional `this`
     * binding of `thisArg`.
     *
     * @private
     * @param {Function} func The function to wrap.
     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
     * @param {*} [thisArg] The `this` binding of `func`.
     * @returns {Function} Returns the new wrapped function.
     */
    function createBind(func, bitmask, thisArg) {
      var isBind = bitmask & WRAP_BIND_FLAG,
          Ctor = createCtor(func);

      function wrapper() {
        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
        return fn.apply(isBind ? thisArg : this, arguments);
      }
      return wrapper;
    }

    /**
     * Creates a function like `_.lowerFirst`.
     *
     * @private
     * @param {string} methodName The name of the `String` case method to use.
     * @returns {Function} Returns the new case function.
     */
    function createCaseFirst(methodName) {
      return function(string) {
        string = toString(string);

        var strSymbols = hasUnicode(string)
          ? stringToArray(string)
          : undefined;

        var chr = strSymbols
          ? strSymbols[0]
          : string.charAt(0);

        var trailing = strSymbols
          ? castSlice(strSymbols, 1).join('')
          : string.slice(1);

        return chr[methodName]() + trailing;
      };
    }

    /**
     * Creates a function like `_.camelCase`.
     *
     * @private
     * @param {Function} callback The function to combine each word.
     * @returns {Function} Returns the new compounder function.
     */
    function createCompounder(callback) {
      return function(string) {
        return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');
      };
    }

    /**
     * Creates a function that produces an instance of `Ctor` regardless of
     * whether it was invoked as part of a `new` expression or by `call` or `apply`.
     *
     * @private
     * @param {Function} Ctor The constructor to wrap.
     * @returns {Function} Returns the new wrapped function.
     */
    function createCtor(Ctor) {
      return function() {
        // Use a `switch` statement to work with class constructors. See
        // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist
        // for more details.
        var args = arguments;
        switch (args.length) {
          case 0: return new Ctor;
          case 1: return new Ctor(args[0]);
          case 2: return new Ctor(args[0], args[1]);
          case 3: return new Ctor(args[0], args[1], args[2]);
          case 4: return new Ctor(args[0], args[1], args[2], args[3]);
          case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);
          case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);
          case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
        }
        var thisBinding = baseCreate(Ctor.prototype),
            result = Ctor.apply(thisBinding, args);

        // Mimic the constructor's `return` behavior.
        // See https://es5.github.io/#x13.2.2 for more details.
        return isObject(result) ? result : thisBinding;
      };
    }

    /**
     * Creates a function that wraps `func` to enable currying.
     *
     * @private
     * @param {Function} func The function to wrap.
     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
     * @param {number} arity The arity of `func`.
     * @returns {Function} Returns the new wrapped function.
     */
    function createCurry(func, bitmask, arity) {
      var Ctor = createCtor(func);

      function wrapper() {
        var length = arguments.length,
            args = Array(length),
            index = length,
            placeholder = getHolder(wrapper);

        while (index--) {
          args[index] = arguments[index];
        }
        var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)
          ? []
          : replaceHolders(args, placeholder);

        length -= holders.length;
        if (length < arity) {
          return createRecurry(
            func, bitmask, createHybrid, wrapper.placeholder, undefined,
            args, holders, undefined, undefined, arity - length);
        }
        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
        return apply(fn, this, args);
      }
      return wrapper;
    }

    /**
     * Creates a `_.find` or `_.findLast` function.
     *
     * @private
     * @param {Function} findIndexFunc The function to find the collection index.
     * @returns {Function} Returns the new find function.
     */
    function createFind(findIndexFunc) {
      return function(collection, predicate, fromIndex) {
        var iterable = Object(collection);
        if (!isArrayLike(collection)) {
          var iteratee = getIteratee(predicate, 3);
          collection = keys(collection);
          predicate = function(key) { return iteratee(iterable[key], key, iterable); };
        }
        var index = findIndexFunc(collection, predicate, fromIndex);
        return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;
      };
    }

    /**
     * Creates a `_.flow` or `_.flowRight` function.
     *
     * @private
     * @param {boolean} [fromRight] Specify iterating from right to left.
     * @returns {Function} Returns the new flow function.
     */
    function createFlow(fromRight) {
      return flatRest(function(funcs) {
        var length = funcs.length,
            index = length,
            prereq = LodashWrapper.prototype.thru;

        if (fromRight) {
          funcs.reverse();
        }
        while (index--) {
          var func = funcs[index];
          if (typeof func != 'function') {
            throw new TypeError(FUNC_ERROR_TEXT);
          }
          if (prereq && !wrapper && getFuncName(func) == 'wrapper') {
            var wrapper = new LodashWrapper([], true);
          }
        }
        index = wrapper ? index : length;
        while (++index < length) {
          func = funcs[index];

          var funcName = getFuncName(func),
              data = funcName == 'wrapper' ? getData(func) : undefined;

          if (data && isLaziable(data[0]) &&
                data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&
                !data[4].length && data[9] == 1
              ) {
            wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);
          } else {
            wrapper = (func.length == 1 && isLaziable(func))
              ? wrapper[funcName]()
              : wrapper.thru(func);
          }
        }
        return function() {
          var args = arguments,
              value = args[0];

          if (wrapper && args.length == 1 && isArray(value)) {
            return wrapper.plant(value).value();
          }
          var index = 0,
              result = length ? funcs[index].apply(this, args) : value;

          while (++index < length) {
            result = funcs[index].call(this, result);
          }
          return result;
        };
      });
    }

    /**
     * Creates a function that wraps `func` to invoke it with optional `this`
     * binding of `thisArg`, partial application, and currying.
     *
     * @private
     * @param {Function|string} func The function or method name to wrap.
     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
     * @param {*} [thisArg] The `this` binding of `func`.
     * @param {Array} [partials] The arguments to prepend to those provided to
     *  the new function.
     * @param {Array} [holders] The `partials` placeholder indexes.
     * @param {Array} [partialsRight] The arguments to append to those provided
     *  to the new function.
     * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.
     * @param {Array} [argPos] The argument positions of the new function.
     * @param {number} [ary] The arity cap of `func`.
     * @param {number} [arity] The arity of `func`.
     * @returns {Function} Returns the new wrapped function.
     */
    function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {
      var isAry = bitmask & WRAP_ARY_FLAG,
          isBind = bitmask & WRAP_BIND_FLAG,
          isBindKey = bitmask & WRAP_BIND_KEY_FLAG,
          isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),
          isFlip = bitmask & WRAP_FLIP_FLAG,
          Ctor = isBindKey ? undefined : createCtor(func);

      function wrapper() {
        var length = arguments.length,
            args = Array(length),
            index = length;

        while (index--) {
          args[index] = arguments[index];
        }
        if (isCurried) {
          var placeholder = getHolder(wrapper),
              holdersCount = countHolders(args, placeholder);
        }
        if (partials) {
          args = composeArgs(args, partials, holders, isCurried);
        }
        if (partialsRight) {
          args = composeArgsRight(args, partialsRight, holdersRight, isCurried);
        }
        length -= holdersCount;
        if (isCurried && length < arity) {
          var newHolders = replaceHolders(args, placeholder);
          return createRecurry(
            func, bitmask, createHybrid, wrapper.placeholder, thisArg,
            args, newHolders, argPos, ary, arity - length
          );
        }
        var thisBinding = isBind ? thisArg : this,
            fn = isBindKey ? thisBinding[func] : func;

        length = args.length;
        if (argPos) {
          args = reorder(args, argPos);
        } else if (isFlip && length > 1) {
          args.reverse();
        }
        if (isAry && ary < length) {
          args.length = ary;
        }
        if (this && this !== root && this instanceof wrapper) {
          fn = Ctor || createCtor(fn);
        }
        return fn.apply(thisBinding, args);
      }
      return wrapper;
    }

    /**
     * Creates a function like `_.invertBy`.
     *
     * @private
     * @param {Function} setter The function to set accumulator values.
     * @param {Function} toIteratee The function to resolve iteratees.
     * @returns {Function} Returns the new inverter function.
     */
    function createInverter(setter, toIteratee) {
      return function(object, iteratee) {
        return baseInverter(object, setter, toIteratee(iteratee), {});
      };
    }

    /**
     * Creates a function that performs a mathematical operation on two values.
     *
     * @private
     * @param {Function} operator The function to perform the operation.
     * @param {number} [defaultValue] The value used for `undefined` arguments.
     * @returns {Function} Returns the new mathematical operation function.
     */
    function createMathOperation(operator, defaultValue) {
      return function(value, other) {
        var result;
        if (value === undefined && other === undefined) {
          return defaultValue;
        }
        if (value !== undefined) {
          result = value;
        }
        if (other !== undefined) {
          if (result === undefined) {
            return other;
          }
          if (typeof value == 'string' || typeof other == 'string') {
            value = baseToString(value);
            other = baseToString(other);
          } else {
            value = baseToNumber(value);
            other = baseToNumber(other);
          }
          result = operator(value, other);
        }
        return result;
      };
    }

    /**
     * Creates a function like `_.over`.
     *
     * @private
     * @param {Function} arrayFunc The function to iterate over iteratees.
     * @returns {Function} Returns the new over function.
     */
    function createOver(arrayFunc) {
      return flatRest(function(iteratees) {
        iteratees = arrayMap(iteratees, baseUnary(getIteratee()));
        return baseRest(function(args) {
          var thisArg = this;
          return arrayFunc(iteratees, function(iteratee) {
            return apply(iteratee, thisArg, args);
          });
        });
      });
    }

    /**
     * Creates the padding for `string` based on `length`. The `chars` string
     * is truncated if the number of characters exceeds `length`.
     *
     * @private
     * @param {number} length The padding length.
     * @param {string} [chars=' '] The string used as padding.
     * @returns {string} Returns the padding for `string`.
     */
    function createPadding(length, chars) {
      chars = chars === undefined ? ' ' : baseToString(chars);

      var charsLength = chars.length;
      if (charsLength < 2) {
        return charsLength ? baseRepeat(chars, length) : chars;
      }
      var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));
      return hasUnicode(chars)
        ? castSlice(stringToArray(result), 0, length).join('')
        : result.slice(0, length);
    }

    /**
     * Creates a function that wraps `func` to invoke it with the `this` binding
     * of `thisArg` and `partials` prepended to the arguments it receives.
     *
     * @private
     * @param {Function} func The function to wrap.
     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
     * @param {*} thisArg The `this` binding of `func`.
     * @param {Array} partials The arguments to prepend to those provided to
     *  the new function.
     * @returns {Function} Returns the new wrapped function.
     */
    function createPartial(func, bitmask, thisArg, partials) {
      var isBind = bitmask & WRAP_BIND_FLAG,
          Ctor = createCtor(func);

      function wrapper() {
        var argsIndex = -1,
            argsLength = arguments.length,
            leftIndex = -1,
            leftLength = partials.length,
            args = Array(leftLength + argsLength),
            fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;

        while (++leftIndex < leftLength) {
          args[leftIndex] = partials[leftIndex];
        }
        while (argsLength--) {
          args[leftIndex++] = arguments[++argsIndex];
        }
        return apply(fn, isBind ? thisArg : this, args);
      }
      return wrapper;
    }

    /**
     * Creates a `_.range` or `_.rangeRight` function.
     *
     * @private
     * @param {boolean} [fromRight] Specify iterating from right to left.
     * @returns {Function} Returns the new range function.
     */
    function createRange(fromRight) {
      return function(start, end, step) {
        if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {
          end = step = undefined;
        }
        // Ensure the sign of `-0` is preserved.
        start = toFinite(start);
        if (end === undefined) {
          end = start;
          start = 0;
        } else {
          end = toFinite(end);
        }
        step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);
        return baseRange(start, end, step, fromRight);
      };
    }

    /**
     * Creates a function that performs a relational operation on two values.
     *
     * @private
     * @param {Function} operator The function to perform the operation.
     * @returns {Function} Returns the new relational operation function.
     */
    function createRelationalOperation(operator) {
      return function(value, other) {
        if (!(typeof value == 'string' && typeof other == 'string')) {
          value = toNumber(value);
          other = toNumber(other);
        }
        return operator(value, other);
      };
    }

    /**
     * Creates a function that wraps `func` to continue currying.
     *
     * @private
     * @param {Function} func The function to wrap.
     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
     * @param {Function} wrapFunc The function to create the `func` wrapper.
     * @param {*} placeholder The placeholder value.
     * @param {*} [thisArg] The `this` binding of `func`.
     * @param {Array} [partials] The arguments to prepend to those provided to
     *  the new function.
     * @param {Array} [holders] The `partials` placeholder indexes.
     * @param {Array} [argPos] The argument positions of the new function.
     * @param {number} [ary] The arity cap of `func`.
     * @param {number} [arity] The arity of `func`.
     * @returns {Function} Returns the new wrapped function.
     */
    function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {
      var isCurry = bitmask & WRAP_CURRY_FLAG,
          newHolders = isCurry ? holders : undefined,
          newHoldersRight = isCurry ? undefined : holders,
          newPartials = isCurry ? partials : undefined,
          newPartialsRight = isCurry ? undefined : partials;

      bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);
      bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);

      if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {
        bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);
      }
      var newData = [
        func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,
        newHoldersRight, argPos, ary, arity
      ];

      var result = wrapFunc.apply(undefined, newData);
      if (isLaziable(func)) {
        setData(result, newData);
      }
      result.placeholder = placeholder;
      return setWrapToString(result, func, bitmask);
    }

    /**
     * Creates a function like `_.round`.
     *
     * @private
     * @param {string} methodName The name of the `Math` method to use when rounding.
     * @returns {Function} Returns the new round function.
     */
    function createRound(methodName) {
      var func = Math[methodName];
      return function(number, precision) {
        number = toNumber(number);
        precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);
        if (precision) {
          // Shift with exponential notation to avoid floating-point issues.
          // See [MDN](https://mdn.io/round#Examples) for more details.
          var pair = (toString(number) + 'e').split('e'),
              value = func(pair[0] + 'e' + (+pair[1] + precision));

          pair = (toString(value) + 'e').split('e');
          return +(pair[0] + 'e' + (+pair[1] - precision));
        }
        return func(number);
      };
    }

    /**
     * Creates a set object of `values`.
     *
     * @private
     * @param {Array} values The values to add to the set.
     * @returns {Object} Returns the new set.
     */
    var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {
      return new Set(values);
    };

    /**
     * Creates a `_.toPairs` or `_.toPairsIn` function.
     *
     * @private
     * @param {Function} keysFunc The function to get the keys of a given object.
     * @returns {Function} Returns the new pairs function.
     */
    function createToPairs(keysFunc) {
      return function(object) {
        var tag = getTag(object);
        if (tag == mapTag) {
          return mapToArray(object);
        }
        if (tag == setTag) {
          return setToPairs(object);
        }
        return baseToPairs(object, keysFunc(object));
      };
    }

    /**
     * Creates a function that either curries or invokes `func` with optional
     * `this` binding and partially applied arguments.
     *
     * @private
     * @param {Function|string} func The function or method name to wrap.
     * @param {number} bitmask The bitmask flags.
     *    1 - `_.bind`
     *    2 - `_.bindKey`
     *    4 - `_.curry` or `_.curryRight` of a bound function
     *    8 - `_.curry`
     *   16 - `_.curryRight`
     *   32 - `_.partial`
     *   64 - `_.partialRight`
     *  128 - `_.rearg`
     *  256 - `_.ary`
     *  512 - `_.flip`
     * @param {*} [thisArg] The `this` binding of `func`.
     * @param {Array} [partials] The arguments to be partially applied.
     * @param {Array} [holders] The `partials` placeholder indexes.
     * @param {Array} [argPos] The argument positions of the new function.
     * @param {number} [ary] The arity cap of `func`.
     * @param {number} [arity] The arity of `func`.
     * @returns {Function} Returns the new wrapped function.
     */
    function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {
      var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;
      if (!isBindKey && typeof func != 'function') {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      var length = partials ? partials.length : 0;
      if (!length) {
        bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);
        partials = holders = undefined;
      }
      ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);
      arity = arity === undefined ? arity : toInteger(arity);
      length -= holders ? holders.length : 0;

      if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {
        var partialsRight = partials,
            holdersRight = holders;

        partials = holders = undefined;
      }
      var data = isBindKey ? undefined : getData(func);

      var newData = [
        func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,
        argPos, ary, arity
      ];

      if (data) {
        mergeData(newData, data);
      }
      func = newData[0];
      bitmask = newData[1];
      thisArg = newData[2];
      partials = newData[3];
      holders = newData[4];
      arity = newData[9] = newData[9] === undefined
        ? (isBindKey ? 0 : func.length)
        : nativeMax(newData[9] - length, 0);

      if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {
        bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);
      }
      if (!bitmask || bitmask == WRAP_BIND_FLAG) {
        var result = createBind(func, bitmask, thisArg);
      } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {
        result = createCurry(func, bitmask, arity);
      } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {
        result = createPartial(func, bitmask, thisArg, partials);
      } else {
        result = createHybrid.apply(undefined, newData);
      }
      var setter = data ? baseSetData : setData;
      return setWrapToString(setter(result, newData), func, bitmask);
    }

    /**
     * Used by `_.defaults` to customize its `_.assignIn` use to assign properties
     * of source objects to the destination object for all destination properties
     * that resolve to `undefined`.
     *
     * @private
     * @param {*} objValue The destination value.
     * @param {*} srcValue The source value.
     * @param {string} key The key of the property to assign.
     * @param {Object} object The parent object of `objValue`.
     * @returns {*} Returns the value to assign.
     */
    function customDefaultsAssignIn(objValue, srcValue, key, object) {
      if (objValue === undefined ||
          (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {
        return srcValue;
      }
      return objValue;
    }

    /**
     * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source
     * objects into destination objects that are passed thru.
     *
     * @private
     * @param {*} objValue The destination value.
     * @param {*} srcValue The source value.
     * @param {string} key The key of the property to merge.
     * @param {Object} object The parent object of `objValue`.
     * @param {Object} source The parent object of `srcValue`.
     * @param {Object} [stack] Tracks traversed source values and their merged
     *  counterparts.
     * @returns {*} Returns the value to assign.
     */
    function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {
      if (isObject(objValue) && isObject(srcValue)) {
        // Recursively merge objects and arrays (susceptible to call stack limits).
        stack.set(srcValue, objValue);
        baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);
        stack['delete'](srcValue);
      }
      return objValue;
    }

    /**
     * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain
     * objects.
     *
     * @private
     * @param {*} value The value to inspect.
     * @param {string} key The key of the property to inspect.
     * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.
     */
    function customOmitClone(value) {
      return isPlainObject(value) ? undefined : value;
    }

    /**
     * A specialized version of `baseIsEqualDeep` for arrays with support for
     * partial deep comparisons.
     *
     * @private
     * @param {Array} array The array to compare.
     * @param {Array} other The other array to compare.
     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
     * @param {Function} customizer The function to customize comparisons.
     * @param {Function} equalFunc The function to determine equivalents of values.
     * @param {Object} stack Tracks traversed `array` and `other` objects.
     * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.
     */
    function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {
      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
          arrLength = array.length,
          othLength = other.length;

      if (arrLength != othLength && !(isPartial && othLength > arrLength)) {
        return false;
      }
      // Assume cyclic values are equal.
      var stacked = stack.get(array);
      if (stacked && stack.get(other)) {
        return stacked == other;
      }
      var index = -1,
          result = true,
          seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;

      stack.set(array, other);
      stack.set(other, array);

      // Ignore non-index properties.
      while (++index < arrLength) {
        var arrValue = array[index],
            othValue = other[index];

        if (customizer) {
          var compared = isPartial
            ? customizer(othValue, arrValue, index, other, array, stack)
            : customizer(arrValue, othValue, index, array, other, stack);
        }
        if (compared !== undefined) {
          if (compared) {
            continue;
          }
          result = false;
          break;
        }
        // Recursively compare arrays (susceptible to call stack limits).
        if (seen) {
          if (!arraySome(other, function(othValue, othIndex) {
                if (!cacheHas(seen, othIndex) &&
                    (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {
                  return seen.push(othIndex);
                }
              })) {
            result = false;
            break;
          }
        } else if (!(
              arrValue === othValue ||
                equalFunc(arrValue, othValue, bitmask, customizer, stack)
            )) {
          result = false;
          break;
        }
      }
      stack['delete'](array);
      stack['delete'](other);
      return result;
    }

    /**
     * A specialized version of `baseIsEqualDeep` for comparing objects of
     * the same `toStringTag`.
     *
     * **Note:** This function only supports comparing values with tags of
     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.
     *
     * @private
     * @param {Object} object The object to compare.
     * @param {Object} other The other object to compare.
     * @param {string} tag The `toStringTag` of the objects to compare.
     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
     * @param {Function} customizer The function to customize comparisons.
     * @param {Function} equalFunc The function to determine equivalents of values.
     * @param {Object} stack Tracks traversed `object` and `other` objects.
     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
     */
    function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {
      switch (tag) {
        case dataViewTag:
          if ((object.byteLength != other.byteLength) ||
              (object.byteOffset != other.byteOffset)) {
            return false;
          }
          object = object.buffer;
          other = other.buffer;

        case arrayBufferTag:
          if ((object.byteLength != other.byteLength) ||
              !equalFunc(new Uint8Array(object), new Uint8Array(other))) {
            return false;
          }
          return true;

        case boolTag:
        case dateTag:
        case numberTag:
          // Coerce booleans to `1` or `0` and dates to milliseconds.
          // Invalid dates are coerced to `NaN`.
          return eq(+object, +other);

        case errorTag:
          return object.name == other.name && object.message == other.message;

        case regexpTag:
        case stringTag:
          // Coerce regexes to strings and treat strings, primitives and objects,
          // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring
          // for more details.
          return object == (other + '');

        case mapTag:
          var convert = mapToArray;

        case setTag:
          var isPartial = bitmask & COMPARE_PARTIAL_FLAG;
          convert || (convert = setToArray);

          if (object.size != other.size && !isPartial) {
            return false;
          }
          // Assume cyclic values are equal.
          var stacked = stack.get(object);
          if (stacked) {
            return stacked == other;
          }
          bitmask |= COMPARE_UNORDERED_FLAG;

          // Recursively compare objects (susceptible to call stack limits).
          stack.set(object, other);
          var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);
          stack['delete'](object);
          return result;

        case symbolTag:
          if (symbolValueOf) {
            return symbolValueOf.call(object) == symbolValueOf.call(other);
          }
      }
      return false;
    }

    /**
     * A specialized version of `baseIsEqualDeep` for objects with support for
     * partial deep comparisons.
     *
     * @private
     * @param {Object} object The object to compare.
     * @param {Object} other The other object to compare.
     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
     * @param {Function} customizer The function to customize comparisons.
     * @param {Function} equalFunc The function to determine equivalents of values.
     * @param {Object} stack Tracks traversed `object` and `other` objects.
     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
     */
    function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {
      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
          objProps = getAllKeys(object),
          objLength = objProps.length,
          othProps = getAllKeys(other),
          othLength = othProps.length;

      if (objLength != othLength && !isPartial) {
        return false;
      }
      var index = objLength;
      while (index--) {
        var key = objProps[index];
        if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {
          return false;
        }
      }
      // Assume cyclic values are equal.
      var stacked = stack.get(object);
      if (stacked && stack.get(other)) {
        return stacked == other;
      }
      var result = true;
      stack.set(object, other);
      stack.set(other, object);

      var skipCtor = isPartial;
      while (++index < objLength) {
        key = objProps[index];
        var objValue = object[key],
            othValue = other[key];

        if (customizer) {
          var compared = isPartial
            ? customizer(othValue, objValue, key, other, object, stack)
            : customizer(objValue, othValue, key, object, other, stack);
        }
        // Recursively compare objects (susceptible to call stack limits).
        if (!(compared === undefined
              ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))
              : compared
            )) {
          result = false;
          break;
        }
        skipCtor || (skipCtor = key == 'constructor');
      }
      if (result && !skipCtor) {
        var objCtor = object.constructor,
            othCtor = other.constructor;

        // Non `Object` object instances with different constructors are not equal.
        if (objCtor != othCtor &&
            ('constructor' in object && 'constructor' in other) &&
            !(typeof objCtor == 'function' && objCtor instanceof objCtor &&
              typeof othCtor == 'function' && othCtor instanceof othCtor)) {
          result = false;
        }
      }
      stack['delete'](object);
      stack['delete'](other);
      return result;
    }

    /**
     * A specialized version of `baseRest` which flattens the rest array.
     *
     * @private
     * @param {Function} func The function to apply a rest parameter to.
     * @returns {Function} Returns the new function.
     */
    function flatRest(func) {
      return setToString(overRest(func, undefined, flatten), func + '');
    }

    /**
     * Creates an array of own enumerable property names and symbols of `object`.
     *
     * @private
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property names and symbols.
     */
    function getAllKeys(object) {
      return baseGetAllKeys(object, keys, getSymbols);
    }

    /**
     * Creates an array of own and inherited enumerable property names and
     * symbols of `object`.
     *
     * @private
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property names and symbols.
     */
    function getAllKeysIn(object) {
      return baseGetAllKeys(object, keysIn, getSymbolsIn);
    }

    /**
     * Gets metadata for `func`.
     *
     * @private
     * @param {Function} func The function to query.
     * @returns {*} Returns the metadata for `func`.
     */
    var getData = !metaMap ? noop : function(func) {
      return metaMap.get(func);
    };

    /**
     * Gets the name of `func`.
     *
     * @private
     * @param {Function} func The function to query.
     * @returns {string} Returns the function name.
     */
    function getFuncName(func) {
      var result = (func.name + ''),
          array = realNames[result],
          length = hasOwnProperty.call(realNames, result) ? array.length : 0;

      while (length--) {
        var data = array[length],
            otherFunc = data.func;
        if (otherFunc == null || otherFunc == func) {
          return data.name;
        }
      }
      return result;
    }

    /**
     * Gets the argument placeholder value for `func`.
     *
     * @private
     * @param {Function} func The function to inspect.
     * @returns {*} Returns the placeholder value.
     */
    function getHolder(func) {
      var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;
      return object.placeholder;
    }

    /**
     * Gets the appropriate "iteratee" function. If `_.iteratee` is customized,
     * this function returns the custom method, otherwise it returns `baseIteratee`.
     * If arguments are provided, the chosen function is invoked with them and
     * its result is returned.
     *
     * @private
     * @param {*} [value] The value to convert to an iteratee.
     * @param {number} [arity] The arity of the created iteratee.
     * @returns {Function} Returns the chosen function or its result.
     */
    function getIteratee() {
      var result = lodash.iteratee || iteratee;
      result = result === iteratee ? baseIteratee : result;
      return arguments.length ? result(arguments[0], arguments[1]) : result;
    }

    /**
     * Gets the data for `map`.
     *
     * @private
     * @param {Object} map The map to query.
     * @param {string} key The reference key.
     * @returns {*} Returns the map data.
     */
    function getMapData(map, key) {
      var data = map.__data__;
      return isKeyable(key)
        ? data[typeof key == 'string' ? 'string' : 'hash']
        : data.map;
    }

    /**
     * Gets the property names, values, and compare flags of `object`.
     *
     * @private
     * @param {Object} object The object to query.
     * @returns {Array} Returns the match data of `object`.
     */
    function getMatchData(object) {
      var result = keys(object),
          length = result.length;

      while (length--) {
        var key = result[length],
            value = object[key];

        result[length] = [key, value, isStrictComparable(value)];
      }
      return result;
    }

    /**
     * Gets the native function at `key` of `object`.
     *
     * @private
     * @param {Object} object The object to query.
     * @param {string} key The key of the method to get.
     * @returns {*} Returns the function if it's native, else `undefined`.
     */
    function getNative(object, key) {
      var value = getValue(object, key);
      return baseIsNative(value) ? value : undefined;
    }

    /**
     * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.
     *
     * @private
     * @param {*} value The value to query.
     * @returns {string} Returns the raw `toStringTag`.
     */
    function getRawTag(value) {
      var isOwn = hasOwnProperty.call(value, symToStringTag),
          tag = value[symToStringTag];

      try {
        value[symToStringTag] = undefined;
        var unmasked = true;
      } catch (e) {}

      var result = nativeObjectToString.call(value);
      if (unmasked) {
        if (isOwn) {
          value[symToStringTag] = tag;
        } else {
          delete value[symToStringTag];
        }
      }
      return result;
    }

    /**
     * Creates an array of the own enumerable symbols of `object`.
     *
     * @private
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of symbols.
     */
    var getSymbols = !nativeGetSymbols ? stubArray : function(object) {
      if (object == null) {
        return [];
      }
      object = Object(object);
      return arrayFilter(nativeGetSymbols(object), function(symbol) {
        return propertyIsEnumerable.call(object, symbol);
      });
    };

    /**
     * Creates an array of the own and inherited enumerable symbols of `object`.
     *
     * @private
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of symbols.
     */
    var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {
      var result = [];
      while (object) {
        arrayPush(result, getSymbols(object));
        object = getPrototype(object);
      }
      return result;
    };

    /**
     * Gets the `toStringTag` of `value`.
     *
     * @private
     * @param {*} value The value to query.
     * @returns {string} Returns the `toStringTag`.
     */
    var getTag = baseGetTag;

    // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.
    if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||
        (Map && getTag(new Map) != mapTag) ||
        (Promise && getTag(Promise.resolve()) != promiseTag) ||
        (Set && getTag(new Set) != setTag) ||
        (WeakMap && getTag(new WeakMap) != weakMapTag)) {
      getTag = function(value) {
        var result = baseGetTag(value),
            Ctor = result == objectTag ? value.constructor : undefined,
            ctorString = Ctor ? toSource(Ctor) : '';

        if (ctorString) {
          switch (ctorString) {
            case dataViewCtorString: return dataViewTag;
            case mapCtorString: return mapTag;
            case promiseCtorString: return promiseTag;
            case setCtorString: return setTag;
            case weakMapCtorString: return weakMapTag;
          }
        }
        return result;
      };
    }

    /**
     * Gets the view, applying any `transforms` to the `start` and `end` positions.
     *
     * @private
     * @param {number} start The start of the view.
     * @param {number} end The end of the view.
     * @param {Array} transforms The transformations to apply to the view.
     * @returns {Object} Returns an object containing the `start` and `end`
     *  positions of the view.
     */
    function getView(start, end, transforms) {
      var index = -1,
          length = transforms.length;

      while (++index < length) {
        var data = transforms[index],
            size = data.size;

        switch (data.type) {
          case 'drop':      start += size; break;
          case 'dropRight': end -= size; break;
          case 'take':      end = nativeMin(end, start + size); break;
          case 'takeRight': start = nativeMax(start, end - size); break;
        }
      }
      return { 'start': start, 'end': end };
    }

    /**
     * Extracts wrapper details from the `source` body comment.
     *
     * @private
     * @param {string} source The source to inspect.
     * @returns {Array} Returns the wrapper details.
     */
    function getWrapDetails(source) {
      var match = source.match(reWrapDetails);
      return match ? match[1].split(reSplitDetails) : [];
    }

    /**
     * Checks if `path` exists on `object`.
     *
     * @private
     * @param {Object} object The object to query.
     * @param {Array|string} path The path to check.
     * @param {Function} hasFunc The function to check properties.
     * @returns {boolean} Returns `true` if `path` exists, else `false`.
     */
    function hasPath(object, path, hasFunc) {
      path = castPath(path, object);

      var index = -1,
          length = path.length,
          result = false;

      while (++index < length) {
        var key = toKey(path[index]);
        if (!(result = object != null && hasFunc(object, key))) {
          break;
        }
        object = object[key];
      }
      if (result || ++index != length) {
        return result;
      }
      length = object == null ? 0 : object.length;
      return !!length && isLength(length) && isIndex(key, length) &&
        (isArray(object) || isArguments(object));
    }

    /**
     * Initializes an array clone.
     *
     * @private
     * @param {Array} array The array to clone.
     * @returns {Array} Returns the initialized clone.
     */
    function initCloneArray(array) {
      var length = array.length,
          result = new array.constructor(length);

      // Add properties assigned by `RegExp#exec`.
      if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {
        result.index = array.index;
        result.input = array.input;
      }
      return result;
    }

    /**
     * Initializes an object clone.
     *
     * @private
     * @param {Object} object The object to clone.
     * @returns {Object} Returns the initialized clone.
     */
    function initCloneObject(object) {
      return (typeof object.constructor == 'function' && !isPrototype(object))
        ? baseCreate(getPrototype(object))
        : {};
    }

    /**
     * Initializes an object clone based on its `toStringTag`.
     *
     * **Note:** This function only supports cloning values with tags of
     * `Boolean`, `Date`, `Error`, `Map`, `Number`, `RegExp`, `Set`, or `String`.
     *
     * @private
     * @param {Object} object The object to clone.
     * @param {string} tag The `toStringTag` of the object to clone.
     * @param {boolean} [isDeep] Specify a deep clone.
     * @returns {Object} Returns the initialized clone.
     */
    function initCloneByTag(object, tag, isDeep) {
      var Ctor = object.constructor;
      switch (tag) {
        case arrayBufferTag:
          return cloneArrayBuffer(object);

        case boolTag:
        case dateTag:
          return new Ctor(+object);

        case dataViewTag:
          return cloneDataView(object, isDeep);

        case float32Tag: case float64Tag:
        case int8Tag: case int16Tag: case int32Tag:
        case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:
          return cloneTypedArray(object, isDeep);

        case mapTag:
          return new Ctor;

        case numberTag:
        case stringTag:
          return new Ctor(object);

        case regexpTag:
          return cloneRegExp(object);

        case setTag:
          return new Ctor;

        case symbolTag:
          return cloneSymbol(object);
      }
    }

    /**
     * Inserts wrapper `details` in a comment at the top of the `source` body.
     *
     * @private
     * @param {string} source The source to modify.
     * @returns {Array} details The details to insert.
     * @returns {string} Returns the modified source.
     */
    function insertWrapDetails(source, details) {
      var length = details.length;
      if (!length) {
        return source;
      }
      var lastIndex = length - 1;
      details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];
      details = details.join(length > 2 ? ', ' : ' ');
      return source.replace(reWrapComment, '{\n/* [wrapped with ' + details + '] */\n');
    }

    /**
     * Checks if `value` is a flattenable `arguments` object or array.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.
     */
    function isFlattenable(value) {
      return isArray(value) || isArguments(value) ||
        !!(spreadableSymbol && value && value[spreadableSymbol]);
    }

    /**
     * Checks if `value` is a valid array-like index.
     *
     * @private
     * @param {*} value The value to check.
     * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
     * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
     */
    function isIndex(value, length) {
      var type = typeof value;
      length = length == null ? MAX_SAFE_INTEGER : length;

      return !!length &&
        (type == 'number' ||
          (type != 'symbol' && reIsUint.test(value))) &&
            (value > -1 && value % 1 == 0 && value < length);
    }

    /**
     * Checks if the given arguments are from an iteratee call.
     *
     * @private
     * @param {*} value The potential iteratee value argument.
     * @param {*} index The potential iteratee index or key argument.
     * @param {*} object The potential iteratee object argument.
     * @returns {boolean} Returns `true` if the arguments are from an iteratee call,
     *  else `false`.
     */
    function isIterateeCall(value, index, object) {
      if (!isObject(object)) {
        return false;
      }
      var type = typeof index;
      if (type == 'number'
            ? (isArrayLike(object) && isIndex(index, object.length))
            : (type == 'string' && index in object)
          ) {
        return eq(object[index], value);
      }
      return false;
    }

    /**
     * Checks if `value` is a property name and not a property path.
     *
     * @private
     * @param {*} value The value to check.
     * @param {Object} [object] The object to query keys on.
     * @returns {boolean} Returns `true` if `value` is a property name, else `false`.
     */
    function isKey(value, object) {
      if (isArray(value)) {
        return false;
      }
      var type = typeof value;
      if (type == 'number' || type == 'symbol' || type == 'boolean' ||
          value == null || isSymbol(value)) {
        return true;
      }
      return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||
        (object != null && value in Object(object));
    }

    /**
     * Checks if `value` is suitable for use as unique object key.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is suitable, else `false`.
     */
    function isKeyable(value) {
      var type = typeof value;
      return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')
        ? (value !== '__proto__')
        : (value === null);
    }

    /**
     * Checks if `func` has a lazy counterpart.
     *
     * @private
     * @param {Function} func The function to check.
     * @returns {boolean} Returns `true` if `func` has a lazy counterpart,
     *  else `false`.
     */
    function isLaziable(func) {
      var funcName = getFuncName(func),
          other = lodash[funcName];

      if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {
        return false;
      }
      if (func === other) {
        return true;
      }
      var data = getData(other);
      return !!data && func === data[0];
    }

    /**
     * Checks if `func` has its source masked.
     *
     * @private
     * @param {Function} func The function to check.
     * @returns {boolean} Returns `true` if `func` is masked, else `false`.
     */
    function isMasked(func) {
      return !!maskSrcKey && (maskSrcKey in func);
    }

    /**
     * Checks if `func` is capable of being masked.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `func` is maskable, else `false`.
     */
    var isMaskable = coreJsData ? isFunction : stubFalse;

    /**
     * Checks if `value` is likely a prototype object.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.
     */
    function isPrototype(value) {
      var Ctor = value && value.constructor,
          proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;

      return value === proto;
    }

    /**
     * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` if suitable for strict
     *  equality comparisons, else `false`.
     */
    function isStrictComparable(value) {
      return value === value && !isObject(value);
    }

    /**
     * A specialized version of `matchesProperty` for source values suitable
     * for strict equality comparisons, i.e. `===`.
     *
     * @private
     * @param {string} key The key of the property to get.
     * @param {*} srcValue The value to match.
     * @returns {Function} Returns the new spec function.
     */
    function matchesStrictComparable(key, srcValue) {
      return function(object) {
        if (object == null) {
          return false;
        }
        return object[key] === srcValue &&
          (srcValue !== undefined || (key in Object(object)));
      };
    }

    /**
     * A specialized version of `_.memoize` which clears the memoized function's
     * cache when it exceeds `MAX_MEMOIZE_SIZE`.
     *
     * @private
     * @param {Function} func The function to have its output memoized.
     * @returns {Function} Returns the new memoized function.
     */
    function memoizeCapped(func) {
      var result = memoize(func, function(key) {
        if (cache.size === MAX_MEMOIZE_SIZE) {
          cache.clear();
        }
        return key;
      });

      var cache = result.cache;
      return result;
    }

    /**
     * Merges the function metadata of `source` into `data`.
     *
     * Merging metadata reduces the number of wrappers used to invoke a function.
     * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`
     * may be applied regardless of execution order. Methods like `_.ary` and
     * `_.rearg` modify function arguments, making the order in which they are
     * executed important, preventing the merging of metadata. However, we make
     * an exception for a safe combined case where curried functions have `_.ary`
     * and or `_.rearg` applied.
     *
     * @private
     * @param {Array} data The destination metadata.
     * @param {Array} source The source metadata.
     * @returns {Array} Returns `data`.
     */
    function mergeData(data, source) {
      var bitmask = data[1],
          srcBitmask = source[1],
          newBitmask = bitmask | srcBitmask,
          isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);

      var isCombo =
        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||
        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||
        ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));

      // Exit early if metadata can't be merged.
      if (!(isCommon || isCombo)) {
        return data;
      }
      // Use source `thisArg` if available.
      if (srcBitmask & WRAP_BIND_FLAG) {
        data[2] = source[2];
        // Set when currying a bound function.
        newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;
      }
      // Compose partial arguments.
      var value = source[3];
      if (value) {
        var partials = data[3];
        data[3] = partials ? composeArgs(partials, value, source[4]) : value;
        data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];
      }
      // Compose partial right arguments.
      value = source[5];
      if (value) {
        partials = data[5];
        data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;
        data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];
      }
      // Use source `argPos` if available.
      value = source[7];
      if (value) {
        data[7] = value;
      }
      // Use source `ary` if it's smaller.
      if (srcBitmask & WRAP_ARY_FLAG) {
        data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);
      }
      // Use source `arity` if one is not provided.
      if (data[9] == null) {
        data[9] = source[9];
      }
      // Use source `func` and merge bitmasks.
      data[0] = source[0];
      data[1] = newBitmask;

      return data;
    }

    /**
     * This function is like
     * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
     * except that it includes inherited enumerable properties.
     *
     * @private
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property names.
     */
    function nativeKeysIn(object) {
      var result = [];
      if (object != null) {
        for (var key in Object(object)) {
          result.push(key);
        }
      }
      return result;
    }

    /**
     * Converts `value` to a string using `Object.prototype.toString`.
     *
     * @private
     * @param {*} value The value to convert.
     * @returns {string} Returns the converted string.
     */
    function objectToString(value) {
      return nativeObjectToString.call(value);
    }

    /**
     * A specialized version of `baseRest` which transforms the rest array.
     *
     * @private
     * @param {Function} func The function to apply a rest parameter to.
     * @param {number} [start=func.length-1] The start position of the rest parameter.
     * @param {Function} transform The rest array transform.
     * @returns {Function} Returns the new function.
     */
    function overRest(func, start, transform) {
      start = nativeMax(start === undefined ? (func.length - 1) : start, 0);
      return function() {
        var args = arguments,
            index = -1,
            length = nativeMax(args.length - start, 0),
            array = Array(length);

        while (++index < length) {
          array[index] = args[start + index];
        }
        index = -1;
        var otherArgs = Array(start + 1);
        while (++index < start) {
          otherArgs[index] = args[index];
        }
        otherArgs[start] = transform(array);
        return apply(func, this, otherArgs);
      };
    }

    /**
     * Gets the parent value at `path` of `object`.
     *
     * @private
     * @param {Object} object The object to query.
     * @param {Array} path The path to get the parent value of.
     * @returns {*} Returns the parent value.
     */
    function parent(object, path) {
      return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));
    }

    /**
     * Reorder `array` according to the specified indexes where the element at
     * the first index is assigned as the first element, the element at
     * the second index is assigned as the second element, and so on.
     *
     * @private
     * @param {Array} array The array to reorder.
     * @param {Array} indexes The arranged array indexes.
     * @returns {Array} Returns `array`.
     */
    function reorder(array, indexes) {
      var arrLength = array.length,
          length = nativeMin(indexes.length, arrLength),
          oldArray = copyArray(array);

      while (length--) {
        var index = indexes[length];
        array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;
      }
      return array;
    }

    /**
     * Sets metadata for `func`.
     *
     * **Note:** If this function becomes hot, i.e. is invoked a lot in a short
     * period of time, it will trip its breaker and transition to an identity
     * function to avoid garbage collection pauses in V8. See
     * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)
     * for more details.
     *
     * @private
     * @param {Function} func The function to associate metadata with.
     * @param {*} data The metadata.
     * @returns {Function} Returns `func`.
     */
    var setData = shortOut(baseSetData);

    /**
     * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).
     *
     * @private
     * @param {Function} func The function to delay.
     * @param {number} wait The number of milliseconds to delay invocation.
     * @returns {number|Object} Returns the timer id or timeout object.
     */
    var setTimeout = ctxSetTimeout || function(func, wait) {
      return root.setTimeout(func, wait);
    };

    /**
     * Sets the `toString` method of `func` to return `string`.
     *
     * @private
     * @param {Function} func The function to modify.
     * @param {Function} string The `toString` result.
     * @returns {Function} Returns `func`.
     */
    var setToString = shortOut(baseSetToString);

    /**
     * Sets the `toString` method of `wrapper` to mimic the source of `reference`
     * with wrapper details in a comment at the top of the source body.
     *
     * @private
     * @param {Function} wrapper The function to modify.
     * @param {Function} reference The reference function.
     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
     * @returns {Function} Returns `wrapper`.
     */
    function setWrapToString(wrapper, reference, bitmask) {
      var source = (reference + '');
      return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));
    }

    /**
     * Creates a function that'll short out and invoke `identity` instead
     * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`
     * milliseconds.
     *
     * @private
     * @param {Function} func The function to restrict.
     * @returns {Function} Returns the new shortable function.
     */
    function shortOut(func) {
      var count = 0,
          lastCalled = 0;

      return function() {
        var stamp = nativeNow(),
            remaining = HOT_SPAN - (stamp - lastCalled);

        lastCalled = stamp;
        if (remaining > 0) {
          if (++count >= HOT_COUNT) {
            return arguments[0];
          }
        } else {
          count = 0;
        }
        return func.apply(undefined, arguments);
      };
    }

    /**
     * A specialized version of `_.shuffle` which mutates and sets the size of `array`.
     *
     * @private
     * @param {Array} array The array to shuffle.
     * @param {number} [size=array.length] The size of `array`.
     * @returns {Array} Returns `array`.
     */
    function shuffleSelf(array, size) {
      var index = -1,
          length = array.length,
          lastIndex = length - 1;

      size = size === undefined ? length : size;
      while (++index < size) {
        var rand = baseRandom(index, lastIndex),
            value = array[rand];

        array[rand] = array[index];
        array[index] = value;
      }
      array.length = size;
      return array;
    }

    /**
     * Converts `string` to a property path array.
     *
     * @private
     * @param {string} string The string to convert.
     * @returns {Array} Returns the property path array.
     */
    var stringToPath = memoizeCapped(function(string) {
      var result = [];
      if (string.charCodeAt(0) === 46 /* . */) {
        result.push('');
      }
      string.replace(rePropName, function(match, number, quote, subString) {
        result.push(quote ? subString.replace(reEscapeChar, '$1') : (number || match));
      });
      return result;
    });

    /**
     * Converts `value` to a string key if it's not a string or symbol.
     *
     * @private
     * @param {*} value The value to inspect.
     * @returns {string|symbol} Returns the key.
     */
    function toKey(value) {
      if (typeof value == 'string' || isSymbol(value)) {
        return value;
      }
      var result = (value + '');
      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
    }

    /**
     * Converts `func` to its source code.
     *
     * @private
     * @param {Function} func The function to convert.
     * @returns {string} Returns the source code.
     */
    function toSource(func) {
      if (func != null) {
        try {
          return funcToString.call(func);
        } catch (e) {}
        try {
          return (func + '');
        } catch (e) {}
      }
      return '';
    }

    /**
     * Updates wrapper `details` based on `bitmask` flags.
     *
     * @private
     * @returns {Array} details The details to modify.
     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
     * @returns {Array} Returns `details`.
     */
    function updateWrapDetails(details, bitmask) {
      arrayEach(wrapFlags, function(pair) {
        var value = '_.' + pair[0];
        if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {
          details.push(value);
        }
      });
      return details.sort();
    }

    /**
     * Creates a clone of `wrapper`.
     *
     * @private
     * @param {Object} wrapper The wrapper to clone.
     * @returns {Object} Returns the cloned wrapper.
     */
    function wrapperClone(wrapper) {
      if (wrapper instanceof LazyWrapper) {
        return wrapper.clone();
      }
      var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);
      result.__actions__ = copyArray(wrapper.__actions__);
      result.__index__  = wrapper.__index__;
      result.__values__ = wrapper.__values__;
      return result;
    }

    /*------------------------------------------------------------------------*/

    /**
     * Creates an array of elements split into groups the length of `size`.
     * If `array` can't be split evenly, the final chunk will be the remaining
     * elements.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The array to process.
     * @param {number} [size=1] The length of each chunk
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Array} Returns the new array of chunks.
     * @example
     *
     * _.chunk(['a', 'b', 'c', 'd'], 2);
     * // => [['a', 'b'], ['c', 'd']]
     *
     * _.chunk(['a', 'b', 'c', 'd'], 3);
     * // => [['a', 'b', 'c'], ['d']]
     */
    function chunk(array, size, guard) {
      if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {
        size = 1;
      } else {
        size = nativeMax(toInteger(size), 0);
      }
      var length = array == null ? 0 : array.length;
      if (!length || size < 1) {
        return [];
      }
      var index = 0,
          resIndex = 0,
          result = Array(nativeCeil(length / size));

      while (index < length) {
        result[resIndex++] = baseSlice(array, index, (index += size));
      }
      return result;
    }

    /**
     * Creates an array with all falsey values removed. The values `false`, `null`,
     * `0`, `""`, `undefined`, and `NaN` are falsey.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The array to compact.
     * @returns {Array} Returns the new array of filtered values.
     * @example
     *
     * _.compact([0, 1, false, 2, '', 3]);
     * // => [1, 2, 3]
     */
    function compact(array) {
      var index = -1,
          length = array == null ? 0 : array.length,
          resIndex = 0,
          result = [];

      while (++index < length) {
        var value = array[index];
        if (value) {
          result[resIndex++] = value;
        }
      }
      return result;
    }

    /**
     * Creates a new array concatenating `array` with any additional arrays
     * and/or values.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to concatenate.
     * @param {...*} [values] The values to concatenate.
     * @returns {Array} Returns the new concatenated array.
     * @example
     *
     * var array = [1];
     * var other = _.concat(array, 2, [3], [[4]]);
     *
     * console.log(other);
     * // => [1, 2, 3, [4]]
     *
     * console.log(array);
     * // => [1]
     */
    function concat() {
      var length = arguments.length;
      if (!length) {
        return [];
      }
      var args = Array(length - 1),
          array = arguments[0],
          index = length;

      while (index--) {
        args[index - 1] = arguments[index];
      }
      return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));
    }

    /**
     * Creates an array of `array` values not included in the other given arrays
     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * for equality comparisons. The order and references of result values are
     * determined by the first array.
     *
     * **Note:** Unlike `_.pullAll`, this method returns a new array.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {...Array} [values] The values to exclude.
     * @returns {Array} Returns the new array of filtered values.
     * @see _.without, _.xor
     * @example
     *
     * _.difference([2, 1], [2, 3]);
     * // => [1]
     */
    var difference = baseRest(function(array, values) {
      return isArrayLikeObject(array)
        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))
        : [];
    });

    /**
     * This method is like `_.difference` except that it accepts `iteratee` which
     * is invoked for each element of `array` and `values` to generate the criterion
     * by which they're compared. The order and references of result values are
     * determined by the first array. The iteratee is invoked with one argument:
     * (value).
     *
     * **Note:** Unlike `_.pullAllBy`, this method returns a new array.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {...Array} [values] The values to exclude.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {Array} Returns the new array of filtered values.
     * @example
     *
     * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);
     * // => [1.2]
     *
     * // The `_.property` iteratee shorthand.
     * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');
     * // => [{ 'x': 2 }]
     */
    var differenceBy = baseRest(function(array, values) {
      var iteratee = last(values);
      if (isArrayLikeObject(iteratee)) {
        iteratee = undefined;
      }
      return isArrayLikeObject(array)
        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))
        : [];
    });

    /**
     * This method is like `_.difference` except that it accepts `comparator`
     * which is invoked to compare elements of `array` to `values`. The order and
     * references of result values are determined by the first array. The comparator
     * is invoked with two arguments: (arrVal, othVal).
     *
     * **Note:** Unlike `_.pullAllWith`, this method returns a new array.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {...Array} [values] The values to exclude.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns the new array of filtered values.
     * @example
     *
     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
     *
     * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);
     * // => [{ 'x': 2, 'y': 1 }]
     */
    var differenceWith = baseRest(function(array, values) {
      var comparator = last(values);
      if (isArrayLikeObject(comparator)) {
        comparator = undefined;
      }
      return isArrayLikeObject(array)
        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)
        : [];
    });

    /**
     * Creates a slice of `array` with `n` elements dropped from the beginning.
     *
     * @static
     * @memberOf _
     * @since 0.5.0
     * @category Array
     * @param {Array} array The array to query.
     * @param {number} [n=1] The number of elements to drop.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Array} Returns the slice of `array`.
     * @example
     *
     * _.drop([1, 2, 3]);
     * // => [2, 3]
     *
     * _.drop([1, 2, 3], 2);
     * // => [3]
     *
     * _.drop([1, 2, 3], 5);
     * // => []
     *
     * _.drop([1, 2, 3], 0);
     * // => [1, 2, 3]
     */
    function drop(array, n, guard) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return [];
      }
      n = (guard || n === undefined) ? 1 : toInteger(n);
      return baseSlice(array, n < 0 ? 0 : n, length);
    }

    /**
     * Creates a slice of `array` with `n` elements dropped from the end.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The array to query.
     * @param {number} [n=1] The number of elements to drop.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Array} Returns the slice of `array`.
     * @example
     *
     * _.dropRight([1, 2, 3]);
     * // => [1, 2]
     *
     * _.dropRight([1, 2, 3], 2);
     * // => [1]
     *
     * _.dropRight([1, 2, 3], 5);
     * // => []
     *
     * _.dropRight([1, 2, 3], 0);
     * // => [1, 2, 3]
     */
    function dropRight(array, n, guard) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return [];
      }
      n = (guard || n === undefined) ? 1 : toInteger(n);
      n = length - n;
      return baseSlice(array, 0, n < 0 ? 0 : n);
    }

    /**
     * Creates a slice of `array` excluding elements dropped from the end.
     * Elements are dropped until `predicate` returns falsey. The predicate is
     * invoked with three arguments: (value, index, array).
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The array to query.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the slice of `array`.
     * @example
     *
     * var users = [
     *   { 'user': 'barney',  'active': true },
     *   { 'user': 'fred',    'active': false },
     *   { 'user': 'pebbles', 'active': false }
     * ];
     *
     * _.dropRightWhile(users, function(o) { return !o.active; });
     * // => objects for ['barney']
     *
     * // The `_.matches` iteratee shorthand.
     * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });
     * // => objects for ['barney', 'fred']
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.dropRightWhile(users, ['active', false]);
     * // => objects for ['barney']
     *
     * // The `_.property` iteratee shorthand.
     * _.dropRightWhile(users, 'active');
     * // => objects for ['barney', 'fred', 'pebbles']
     */
    function dropRightWhile(array, predicate) {
      return (array && array.length)
        ? baseWhile(array, getIteratee(predicate, 3), true, true)
        : [];
    }

    /**
     * Creates a slice of `array` excluding elements dropped from the beginning.
     * Elements are dropped until `predicate` returns falsey. The predicate is
     * invoked with three arguments: (value, index, array).
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The array to query.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the slice of `array`.
     * @example
     *
     * var users = [
     *   { 'user': 'barney',  'active': false },
     *   { 'user': 'fred',    'active': false },
     *   { 'user': 'pebbles', 'active': true }
     * ];
     *
     * _.dropWhile(users, function(o) { return !o.active; });
     * // => objects for ['pebbles']
     *
     * // The `_.matches` iteratee shorthand.
     * _.dropWhile(users, { 'user': 'barney', 'active': false });
     * // => objects for ['fred', 'pebbles']
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.dropWhile(users, ['active', false]);
     * // => objects for ['pebbles']
     *
     * // The `_.property` iteratee shorthand.
     * _.dropWhile(users, 'active');
     * // => objects for ['barney', 'fred', 'pebbles']
     */
    function dropWhile(array, predicate) {
      return (array && array.length)
        ? baseWhile(array, getIteratee(predicate, 3), true)
        : [];
    }

    /**
     * Fills elements of `array` with `value` from `start` up to, but not
     * including, `end`.
     *
     * **Note:** This method mutates `array`.
     *
     * @static
     * @memberOf _
     * @since 3.2.0
     * @category Array
     * @param {Array} array The array to fill.
     * @param {*} value The value to fill `array` with.
     * @param {number} [start=0] The start position.
     * @param {number} [end=array.length] The end position.
     * @returns {Array} Returns `array`.
     * @example
     *
     * var array = [1, 2, 3];
     *
     * _.fill(array, 'a');
     * console.log(array);
     * // => ['a', 'a', 'a']
     *
     * _.fill(Array(3), 2);
     * // => [2, 2, 2]
     *
     * _.fill([4, 6, 8, 10], '*', 1, 3);
     * // => [4, '*', '*', 10]
     */
    function fill(array, value, start, end) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return [];
      }
      if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {
        start = 0;
        end = length;
      }
      return baseFill(array, value, start, end);
    }

    /**
     * This method is like `_.find` except that it returns the index of the first
     * element `predicate` returns truthy for instead of the element itself.
     *
     * @static
     * @memberOf _
     * @since 1.1.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @param {number} [fromIndex=0] The index to search from.
     * @returns {number} Returns the index of the found element, else `-1`.
     * @example
     *
     * var users = [
     *   { 'user': 'barney',  'active': false },
     *   { 'user': 'fred',    'active': false },
     *   { 'user': 'pebbles', 'active': true }
     * ];
     *
     * _.findIndex(users, function(o) { return o.user == 'barney'; });
     * // => 0
     *
     * // The `_.matches` iteratee shorthand.
     * _.findIndex(users, { 'user': 'fred', 'active': false });
     * // => 1
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.findIndex(users, ['active', false]);
     * // => 0
     *
     * // The `_.property` iteratee shorthand.
     * _.findIndex(users, 'active');
     * // => 2
     */
    function findIndex(array, predicate, fromIndex) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return -1;
      }
      var index = fromIndex == null ? 0 : toInteger(fromIndex);
      if (index < 0) {
        index = nativeMax(length + index, 0);
      }
      return baseFindIndex(array, getIteratee(predicate, 3), index);
    }

    /**
     * This method is like `_.findIndex` except that it iterates over elements
     * of `collection` from right to left.
     *
     * @static
     * @memberOf _
     * @since 2.0.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @param {number} [fromIndex=array.length-1] The index to search from.
     * @returns {number} Returns the index of the found element, else `-1`.
     * @example
     *
     * var users = [
     *   { 'user': 'barney',  'active': true },
     *   { 'user': 'fred',    'active': false },
     *   { 'user': 'pebbles', 'active': false }
     * ];
     *
     * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });
     * // => 2
     *
     * // The `_.matches` iteratee shorthand.
     * _.findLastIndex(users, { 'user': 'barney', 'active': true });
     * // => 0
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.findLastIndex(users, ['active', false]);
     * // => 2
     *
     * // The `_.property` iteratee shorthand.
     * _.findLastIndex(users, 'active');
     * // => 0
     */
    function findLastIndex(array, predicate, fromIndex) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return -1;
      }
      var index = length - 1;
      if (fromIndex !== undefined) {
        index = toInteger(fromIndex);
        index = fromIndex < 0
          ? nativeMax(length + index, 0)
          : nativeMin(index, length - 1);
      }
      return baseFindIndex(array, getIteratee(predicate, 3), index, true);
    }

    /**
     * Flattens `array` a single level deep.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The array to flatten.
     * @returns {Array} Returns the new flattened array.
     * @example
     *
     * _.flatten([1, [2, [3, [4]], 5]]);
     * // => [1, 2, [3, [4]], 5]
     */
    function flatten(array) {
      var length = array == null ? 0 : array.length;
      return length ? baseFlatten(array, 1) : [];
    }

    /**
     * Recursively flattens `array`.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The array to flatten.
     * @returns {Array} Returns the new flattened array.
     * @example
     *
     * _.flattenDeep([1, [2, [3, [4]], 5]]);
     * // => [1, 2, 3, 4, 5]
     */
    function flattenDeep(array) {
      var length = array == null ? 0 : array.length;
      return length ? baseFlatten(array, INFINITY) : [];
    }

    /**
     * Recursively flatten `array` up to `depth` times.
     *
     * @static
     * @memberOf _
     * @since 4.4.0
     * @category Array
     * @param {Array} array The array to flatten.
     * @param {number} [depth=1] The maximum recursion depth.
     * @returns {Array} Returns the new flattened array.
     * @example
     *
     * var array = [1, [2, [3, [4]], 5]];
     *
     * _.flattenDepth(array, 1);
     * // => [1, 2, [3, [4]], 5]
     *
     * _.flattenDepth(array, 2);
     * // => [1, 2, 3, [4], 5]
     */
    function flattenDepth(array, depth) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return [];
      }
      depth = depth === undefined ? 1 : toInteger(depth);
      return baseFlatten(array, depth);
    }

    /**
     * The inverse of `_.toPairs`; this method returns an object composed
     * from key-value `pairs`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} pairs The key-value pairs.
     * @returns {Object} Returns the new object.
     * @example
     *
     * _.fromPairs([['a', 1], ['b', 2]]);
     * // => { 'a': 1, 'b': 2 }
     */
    function fromPairs(pairs) {
      var index = -1,
          length = pairs == null ? 0 : pairs.length,
          result = {};

      while (++index < length) {
        var pair = pairs[index];
        result[pair[0]] = pair[1];
      }
      return result;
    }

    /**
     * Gets the first element of `array`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @alias first
     * @category Array
     * @param {Array} array The array to query.
     * @returns {*} Returns the first element of `array`.
     * @example
     *
     * _.head([1, 2, 3]);
     * // => 1
     *
     * _.head([]);
     * // => undefined
     */
    function head(array) {
      return (array && array.length) ? array[0] : undefined;
    }

    /**
     * Gets the index at which the first occurrence of `value` is found in `array`
     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * for equality comparisons. If `fromIndex` is negative, it's used as the
     * offset from the end of `array`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {*} value The value to search for.
     * @param {number} [fromIndex=0] The index to search from.
     * @returns {number} Returns the index of the matched value, else `-1`.
     * @example
     *
     * _.indexOf([1, 2, 1, 2], 2);
     * // => 1
     *
     * // Search from the `fromIndex`.
     * _.indexOf([1, 2, 1, 2], 2, 2);
     * // => 3
     */
    function indexOf(array, value, fromIndex) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return -1;
      }
      var index = fromIndex == null ? 0 : toInteger(fromIndex);
      if (index < 0) {
        index = nativeMax(length + index, 0);
      }
      return baseIndexOf(array, value, index);
    }

    /**
     * Gets all but the last element of `array`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The array to query.
     * @returns {Array} Returns the slice of `array`.
     * @example
     *
     * _.initial([1, 2, 3]);
     * // => [1, 2]
     */
    function initial(array) {
      var length = array == null ? 0 : array.length;
      return length ? baseSlice(array, 0, -1) : [];
    }

    /**
     * Creates an array of unique values that are included in all given arrays
     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * for equality comparisons. The order and references of result values are
     * determined by the first array.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {...Array} [arrays] The arrays to inspect.
     * @returns {Array} Returns the new array of intersecting values.
     * @example
     *
     * _.intersection([2, 1], [2, 3]);
     * // => [2]
     */
    var intersection = baseRest(function(arrays) {
      var mapped = arrayMap(arrays, castArrayLikeObject);
      return (mapped.length && mapped[0] === arrays[0])
        ? baseIntersection(mapped)
        : [];
    });

    /**
     * This method is like `_.intersection` except that it accepts `iteratee`
     * which is invoked for each element of each `arrays` to generate the criterion
     * by which they're compared. The order and references of result values are
     * determined by the first array. The iteratee is invoked with one argument:
     * (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {...Array} [arrays] The arrays to inspect.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {Array} Returns the new array of intersecting values.
     * @example
     *
     * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);
     * // => [2.1]
     *
     * // The `_.property` iteratee shorthand.
     * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
     * // => [{ 'x': 1 }]
     */
    var intersectionBy = baseRest(function(arrays) {
      var iteratee = last(arrays),
          mapped = arrayMap(arrays, castArrayLikeObject);

      if (iteratee === last(mapped)) {
        iteratee = undefined;
      } else {
        mapped.pop();
      }
      return (mapped.length && mapped[0] === arrays[0])
        ? baseIntersection(mapped, getIteratee(iteratee, 2))
        : [];
    });

    /**
     * This method is like `_.intersection` except that it accepts `comparator`
     * which is invoked to compare elements of `arrays`. The order and references
     * of result values are determined by the first array. The comparator is
     * invoked with two arguments: (arrVal, othVal).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {...Array} [arrays] The arrays to inspect.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns the new array of intersecting values.
     * @example
     *
     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];
     *
     * _.intersectionWith(objects, others, _.isEqual);
     * // => [{ 'x': 1, 'y': 2 }]
     */
    var intersectionWith = baseRest(function(arrays) {
      var comparator = last(arrays),
          mapped = arrayMap(arrays, castArrayLikeObject);

      comparator = typeof comparator == 'function' ? comparator : undefined;
      if (comparator) {
        mapped.pop();
      }
      return (mapped.length && mapped[0] === arrays[0])
        ? baseIntersection(mapped, undefined, comparator)
        : [];
    });

    /**
     * Converts all elements in `array` into a string separated by `separator`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to convert.
     * @param {string} [separator=','] The element separator.
     * @returns {string} Returns the joined string.
     * @example
     *
     * _.join(['a', 'b', 'c'], '~');
     * // => 'a~b~c'
     */
    function join(array, separator) {
      return array == null ? '' : nativeJoin.call(array, separator);
    }

    /**
     * Gets the last element of `array`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The array to query.
     * @returns {*} Returns the last element of `array`.
     * @example
     *
     * _.last([1, 2, 3]);
     * // => 3
     */
    function last(array) {
      var length = array == null ? 0 : array.length;
      return length ? array[length - 1] : undefined;
    }

    /**
     * This method is like `_.indexOf` except that it iterates over elements of
     * `array` from right to left.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {*} value The value to search for.
     * @param {number} [fromIndex=array.length-1] The index to search from.
     * @returns {number} Returns the index of the matched value, else `-1`.
     * @example
     *
     * _.lastIndexOf([1, 2, 1, 2], 2);
     * // => 3
     *
     * // Search from the `fromIndex`.
     * _.lastIndexOf([1, 2, 1, 2], 2, 2);
     * // => 1
     */
    function lastIndexOf(array, value, fromIndex) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return -1;
      }
      var index = length;
      if (fromIndex !== undefined) {
        index = toInteger(fromIndex);
        index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);
      }
      return value === value
        ? strictLastIndexOf(array, value, index)
        : baseFindIndex(array, baseIsNaN, index, true);
    }

    /**
     * Gets the element at index `n` of `array`. If `n` is negative, the nth
     * element from the end is returned.
     *
     * @static
     * @memberOf _
     * @since 4.11.0
     * @category Array
     * @param {Array} array The array to query.
     * @param {number} [n=0] The index of the element to return.
     * @returns {*} Returns the nth element of `array`.
     * @example
     *
     * var array = ['a', 'b', 'c', 'd'];
     *
     * _.nth(array, 1);
     * // => 'b'
     *
     * _.nth(array, -2);
     * // => 'c';
     */
    function nth(array, n) {
      return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;
    }

    /**
     * Removes all given values from `array` using
     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * for equality comparisons.
     *
     * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`
     * to remove elements from an array by predicate.
     *
     * @static
     * @memberOf _
     * @since 2.0.0
     * @category Array
     * @param {Array} array The array to modify.
     * @param {...*} [values] The values to remove.
     * @returns {Array} Returns `array`.
     * @example
     *
     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];
     *
     * _.pull(array, 'a', 'c');
     * console.log(array);
     * // => ['b', 'b']
     */
    var pull = baseRest(pullAll);

    /**
     * This method is like `_.pull` except that it accepts an array of values to remove.
     *
     * **Note:** Unlike `_.difference`, this method mutates `array`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to modify.
     * @param {Array} values The values to remove.
     * @returns {Array} Returns `array`.
     * @example
     *
     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];
     *
     * _.pullAll(array, ['a', 'c']);
     * console.log(array);
     * // => ['b', 'b']
     */
    function pullAll(array, values) {
      return (array && array.length && values && values.length)
        ? basePullAll(array, values)
        : array;
    }

    /**
     * This method is like `_.pullAll` except that it accepts `iteratee` which is
     * invoked for each element of `array` and `values` to generate the criterion
     * by which they're compared. The iteratee is invoked with one argument: (value).
     *
     * **Note:** Unlike `_.differenceBy`, this method mutates `array`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to modify.
     * @param {Array} values The values to remove.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {Array} Returns `array`.
     * @example
     *
     * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];
     *
     * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');
     * console.log(array);
     * // => [{ 'x': 2 }]
     */
    function pullAllBy(array, values, iteratee) {
      return (array && array.length && values && values.length)
        ? basePullAll(array, values, getIteratee(iteratee, 2))
        : array;
    }

    /**
     * This method is like `_.pullAll` except that it accepts `comparator` which
     * is invoked to compare elements of `array` to `values`. The comparator is
     * invoked with two arguments: (arrVal, othVal).
     *
     * **Note:** Unlike `_.differenceWith`, this method mutates `array`.
     *
     * @static
     * @memberOf _
     * @since 4.6.0
     * @category Array
     * @param {Array} array The array to modify.
     * @param {Array} values The values to remove.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns `array`.
     * @example
     *
     * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];
     *
     * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);
     * console.log(array);
     * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]
     */
    function pullAllWith(array, values, comparator) {
      return (array && array.length && values && values.length)
        ? basePullAll(array, values, undefined, comparator)
        : array;
    }

    /**
     * Removes elements from `array` corresponding to `indexes` and returns an
     * array of removed elements.
     *
     * **Note:** Unlike `_.at`, this method mutates `array`.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The array to modify.
     * @param {...(number|number[])} [indexes] The indexes of elements to remove.
     * @returns {Array} Returns the new array of removed elements.
     * @example
     *
     * var array = ['a', 'b', 'c', 'd'];
     * var pulled = _.pullAt(array, [1, 3]);
     *
     * console.log(array);
     * // => ['a', 'c']
     *
     * console.log(pulled);
     * // => ['b', 'd']
     */
    var pullAt = flatRest(function(array, indexes) {
      var length = array == null ? 0 : array.length,
          result = baseAt(array, indexes);

      basePullAt(array, arrayMap(indexes, function(index) {
        return isIndex(index, length) ? +index : index;
      }).sort(compareAscending));

      return result;
    });

    /**
     * Removes all elements from `array` that `predicate` returns truthy for
     * and returns an array of the removed elements. The predicate is invoked
     * with three arguments: (value, index, array).
     *
     * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`
     * to pull elements from an array by value.
     *
     * @static
     * @memberOf _
     * @since 2.0.0
     * @category Array
     * @param {Array} array The array to modify.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the new array of removed elements.
     * @example
     *
     * var array = [1, 2, 3, 4];
     * var evens = _.remove(array, function(n) {
     *   return n % 2 == 0;
     * });
     *
     * console.log(array);
     * // => [1, 3]
     *
     * console.log(evens);
     * // => [2, 4]
     */
    function remove(array, predicate) {
      var result = [];
      if (!(array && array.length)) {
        return result;
      }
      var index = -1,
          indexes = [],
          length = array.length;

      predicate = getIteratee(predicate, 3);
      while (++index < length) {
        var value = array[index];
        if (predicate(value, index, array)) {
          result.push(value);
          indexes.push(index);
        }
      }
      basePullAt(array, indexes);
      return result;
    }

    /**
     * Reverses `array` so that the first element becomes the last, the second
     * element becomes the second to last, and so on.
     *
     * **Note:** This method mutates `array` and is based on
     * [`Array#reverse`](https://mdn.io/Array/reverse).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to modify.
     * @returns {Array} Returns `array`.
     * @example
     *
     * var array = [1, 2, 3];
     *
     * _.reverse(array);
     * // => [3, 2, 1]
     *
     * console.log(array);
     * // => [3, 2, 1]
     */
    function reverse(array) {
      return array == null ? array : nativeReverse.call(array);
    }

    /**
     * Creates a slice of `array` from `start` up to, but not including, `end`.
     *
     * **Note:** This method is used instead of
     * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are
     * returned.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The array to slice.
     * @param {number} [start=0] The start position.
     * @param {number} [end=array.length] The end position.
     * @returns {Array} Returns the slice of `array`.
     */
    function slice(array, start, end) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return [];
      }
      if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {
        start = 0;
        end = length;
      }
      else {
        start = start == null ? 0 : toInteger(start);
        end = end === undefined ? length : toInteger(end);
      }
      return baseSlice(array, start, end);
    }

    /**
     * Uses a binary search to determine the lowest index at which `value`
     * should be inserted into `array` in order to maintain its sort order.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The sorted array to inspect.
     * @param {*} value The value to evaluate.
     * @returns {number} Returns the index at which `value` should be inserted
     *  into `array`.
     * @example
     *
     * _.sortedIndex([30, 50], 40);
     * // => 1
     */
    function sortedIndex(array, value) {
      return baseSortedIndex(array, value);
    }

    /**
     * This method is like `_.sortedIndex` except that it accepts `iteratee`
     * which is invoked for `value` and each element of `array` to compute their
     * sort ranking. The iteratee is invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The sorted array to inspect.
     * @param {*} value The value to evaluate.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {number} Returns the index at which `value` should be inserted
     *  into `array`.
     * @example
     *
     * var objects = [{ 'x': 4 }, { 'x': 5 }];
     *
     * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });
     * // => 0
     *
     * // The `_.property` iteratee shorthand.
     * _.sortedIndexBy(objects, { 'x': 4 }, 'x');
     * // => 0
     */
    function sortedIndexBy(array, value, iteratee) {
      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));
    }

    /**
     * This method is like `_.indexOf` except that it performs a binary
     * search on a sorted `array`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {*} value The value to search for.
     * @returns {number} Returns the index of the matched value, else `-1`.
     * @example
     *
     * _.sortedIndexOf([4, 5, 5, 5, 6], 5);
     * // => 1
     */
    function sortedIndexOf(array, value) {
      var length = array == null ? 0 : array.length;
      if (length) {
        var index = baseSortedIndex(array, value);
        if (index < length && eq(array[index], value)) {
          return index;
        }
      }
      return -1;
    }

    /**
     * This method is like `_.sortedIndex` except that it returns the highest
     * index at which `value` should be inserted into `array` in order to
     * maintain its sort order.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The sorted array to inspect.
     * @param {*} value The value to evaluate.
     * @returns {number} Returns the index at which `value` should be inserted
     *  into `array`.
     * @example
     *
     * _.sortedLastIndex([4, 5, 5, 5, 6], 5);
     * // => 4
     */
    function sortedLastIndex(array, value) {
      return baseSortedIndex(array, value, true);
    }

    /**
     * This method is like `_.sortedLastIndex` except that it accepts `iteratee`
     * which is invoked for `value` and each element of `array` to compute their
     * sort ranking. The iteratee is invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The sorted array to inspect.
     * @param {*} value The value to evaluate.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {number} Returns the index at which `value` should be inserted
     *  into `array`.
     * @example
     *
     * var objects = [{ 'x': 4 }, { 'x': 5 }];
     *
     * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });
     * // => 1
     *
     * // The `_.property` iteratee shorthand.
     * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');
     * // => 1
     */
    function sortedLastIndexBy(array, value, iteratee) {
      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);
    }

    /**
     * This method is like `_.lastIndexOf` except that it performs a binary
     * search on a sorted `array`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {*} value The value to search for.
     * @returns {number} Returns the index of the matched value, else `-1`.
     * @example
     *
     * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);
     * // => 3
     */
    function sortedLastIndexOf(array, value) {
      var length = array == null ? 0 : array.length;
      if (length) {
        var index = baseSortedIndex(array, value, true) - 1;
        if (eq(array[index], value)) {
          return index;
        }
      }
      return -1;
    }

    /**
     * This method is like `_.uniq` except that it's designed and optimized
     * for sorted arrays.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @returns {Array} Returns the new duplicate free array.
     * @example
     *
     * _.sortedUniq([1, 1, 2]);
     * // => [1, 2]
     */
    function sortedUniq(array) {
      return (array && array.length)
        ? baseSortedUniq(array)
        : [];
    }

    /**
     * This method is like `_.uniqBy` except that it's designed and optimized
     * for sorted arrays.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {Function} [iteratee] The iteratee invoked per element.
     * @returns {Array} Returns the new duplicate free array.
     * @example
     *
     * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);
     * // => [1.1, 2.3]
     */
    function sortedUniqBy(array, iteratee) {
      return (array && array.length)
        ? baseSortedUniq(array, getIteratee(iteratee, 2))
        : [];
    }

    /**
     * Gets all but the first element of `array`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to query.
     * @returns {Array} Returns the slice of `array`.
     * @example
     *
     * _.tail([1, 2, 3]);
     * // => [2, 3]
     */
    function tail(array) {
      var length = array == null ? 0 : array.length;
      return length ? baseSlice(array, 1, length) : [];
    }

    /**
     * Creates a slice of `array` with `n` elements taken from the beginning.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The array to query.
     * @param {number} [n=1] The number of elements to take.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Array} Returns the slice of `array`.
     * @example
     *
     * _.take([1, 2, 3]);
     * // => [1]
     *
     * _.take([1, 2, 3], 2);
     * // => [1, 2]
     *
     * _.take([1, 2, 3], 5);
     * // => [1, 2, 3]
     *
     * _.take([1, 2, 3], 0);
     * // => []
     */
    function take(array, n, guard) {
      if (!(array && array.length)) {
        return [];
      }
      n = (guard || n === undefined) ? 1 : toInteger(n);
      return baseSlice(array, 0, n < 0 ? 0 : n);
    }

    /**
     * Creates a slice of `array` with `n` elements taken from the end.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The array to query.
     * @param {number} [n=1] The number of elements to take.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Array} Returns the slice of `array`.
     * @example
     *
     * _.takeRight([1, 2, 3]);
     * // => [3]
     *
     * _.takeRight([1, 2, 3], 2);
     * // => [2, 3]
     *
     * _.takeRight([1, 2, 3], 5);
     * // => [1, 2, 3]
     *
     * _.takeRight([1, 2, 3], 0);
     * // => []
     */
    function takeRight(array, n, guard) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return [];
      }
      n = (guard || n === undefined) ? 1 : toInteger(n);
      n = length - n;
      return baseSlice(array, n < 0 ? 0 : n, length);
    }

    /**
     * Creates a slice of `array` with elements taken from the end. Elements are
     * taken until `predicate` returns falsey. The predicate is invoked with
     * three arguments: (value, index, array).
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The array to query.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the slice of `array`.
     * @example
     *
     * var users = [
     *   { 'user': 'barney',  'active': true },
     *   { 'user': 'fred',    'active': false },
     *   { 'user': 'pebbles', 'active': false }
     * ];
     *
     * _.takeRightWhile(users, function(o) { return !o.active; });
     * // => objects for ['fred', 'pebbles']
     *
     * // The `_.matches` iteratee shorthand.
     * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });
     * // => objects for ['pebbles']
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.takeRightWhile(users, ['active', false]);
     * // => objects for ['fred', 'pebbles']
     *
     * // The `_.property` iteratee shorthand.
     * _.takeRightWhile(users, 'active');
     * // => []
     */
    function takeRightWhile(array, predicate) {
      return (array && array.length)
        ? baseWhile(array, getIteratee(predicate, 3), false, true)
        : [];
    }

    /**
     * Creates a slice of `array` with elements taken from the beginning. Elements
     * are taken until `predicate` returns falsey. The predicate is invoked with
     * three arguments: (value, index, array).
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The array to query.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the slice of `array`.
     * @example
     *
     * var users = [
     *   { 'user': 'barney',  'active': false },
     *   { 'user': 'fred',    'active': false },
     *   { 'user': 'pebbles', 'active': true }
     * ];
     *
     * _.takeWhile(users, function(o) { return !o.active; });
     * // => objects for ['barney', 'fred']
     *
     * // The `_.matches` iteratee shorthand.
     * _.takeWhile(users, { 'user': 'barney', 'active': false });
     * // => objects for ['barney']
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.takeWhile(users, ['active', false]);
     * // => objects for ['barney', 'fred']
     *
     * // The `_.property` iteratee shorthand.
     * _.takeWhile(users, 'active');
     * // => []
     */
    function takeWhile(array, predicate) {
      return (array && array.length)
        ? baseWhile(array, getIteratee(predicate, 3))
        : [];
    }

    /**
     * Creates an array of unique values, in order, from all given arrays using
     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * for equality comparisons.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {...Array} [arrays] The arrays to inspect.
     * @returns {Array} Returns the new array of combined values.
     * @example
     *
     * _.union([2], [1, 2]);
     * // => [2, 1]
     */
    var union = baseRest(function(arrays) {
      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));
    });

    /**
     * This method is like `_.union` except that it accepts `iteratee` which is
     * invoked for each element of each `arrays` to generate the criterion by
     * which uniqueness is computed. Result values are chosen from the first
     * array in which the value occurs. The iteratee is invoked with one argument:
     * (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {...Array} [arrays] The arrays to inspect.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {Array} Returns the new array of combined values.
     * @example
     *
     * _.unionBy([2.1], [1.2, 2.3], Math.floor);
     * // => [2.1, 1.2]
     *
     * // The `_.property` iteratee shorthand.
     * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
     * // => [{ 'x': 1 }, { 'x': 2 }]
     */
    var unionBy = baseRest(function(arrays) {
      var iteratee = last(arrays);
      if (isArrayLikeObject(iteratee)) {
        iteratee = undefined;
      }
      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));
    });

    /**
     * This method is like `_.union` except that it accepts `comparator` which
     * is invoked to compare elements of `arrays`. Result values are chosen from
     * the first array in which the value occurs. The comparator is invoked
     * with two arguments: (arrVal, othVal).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {...Array} [arrays] The arrays to inspect.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns the new array of combined values.
     * @example
     *
     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];
     *
     * _.unionWith(objects, others, _.isEqual);
     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]
     */
    var unionWith = baseRest(function(arrays) {
      var comparator = last(arrays);
      comparator = typeof comparator == 'function' ? comparator : undefined;
      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);
    });

    /**
     * Creates a duplicate-free version of an array, using
     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * for equality comparisons, in which only the first occurrence of each element
     * is kept. The order of result values is determined by the order they occur
     * in the array.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @returns {Array} Returns the new duplicate free array.
     * @example
     *
     * _.uniq([2, 1, 2]);
     * // => [2, 1]
     */
    function uniq(array) {
      return (array && array.length) ? baseUniq(array) : [];
    }

    /**
     * This method is like `_.uniq` except that it accepts `iteratee` which is
     * invoked for each element in `array` to generate the criterion by which
     * uniqueness is computed. The order of result values is determined by the
     * order they occur in the array. The iteratee is invoked with one argument:
     * (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {Array} Returns the new duplicate free array.
     * @example
     *
     * _.uniqBy([2.1, 1.2, 2.3], Math.floor);
     * // => [2.1, 1.2]
     *
     * // The `_.property` iteratee shorthand.
     * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');
     * // => [{ 'x': 1 }, { 'x': 2 }]
     */
    function uniqBy(array, iteratee) {
      return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];
    }

    /**
     * This method is like `_.uniq` except that it accepts `comparator` which
     * is invoked to compare elements of `array`. The order of result values is
     * determined by the order they occur in the array.The comparator is invoked
     * with two arguments: (arrVal, othVal).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns the new duplicate free array.
     * @example
     *
     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];
     *
     * _.uniqWith(objects, _.isEqual);
     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]
     */
    function uniqWith(array, comparator) {
      comparator = typeof comparator == 'function' ? comparator : undefined;
      return (array && array.length) ? baseUniq(array, undefined, comparator) : [];
    }

    /**
     * This method is like `_.zip` except that it accepts an array of grouped
     * elements and creates an array regrouping the elements to their pre-zip
     * configuration.
     *
     * @static
     * @memberOf _
     * @since 1.2.0
     * @category Array
     * @param {Array} array The array of grouped elements to process.
     * @returns {Array} Returns the new array of regrouped elements.
     * @example
     *
     * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);
     * // => [['a', 1, true], ['b', 2, false]]
     *
     * _.unzip(zipped);
     * // => [['a', 'b'], [1, 2], [true, false]]
     */
    function unzip(array) {
      if (!(array && array.length)) {
        return [];
      }
      var length = 0;
      array = arrayFilter(array, function(group) {
        if (isArrayLikeObject(group)) {
          length = nativeMax(group.length, length);
          return true;
        }
      });
      return baseTimes(length, function(index) {
        return arrayMap(array, baseProperty(index));
      });
    }

    /**
     * This method is like `_.unzip` except that it accepts `iteratee` to specify
     * how regrouped values should be combined. The iteratee is invoked with the
     * elements of each group: (...group).
     *
     * @static
     * @memberOf _
     * @since 3.8.0
     * @category Array
     * @param {Array} array The array of grouped elements to process.
     * @param {Function} [iteratee=_.identity] The function to combine
     *  regrouped values.
     * @returns {Array} Returns the new array of regrouped elements.
     * @example
     *
     * var zipped = _.zip([1, 2], [10, 20], [100, 200]);
     * // => [[1, 10, 100], [2, 20, 200]]
     *
     * _.unzipWith(zipped, _.add);
     * // => [3, 30, 300]
     */
    function unzipWith(array, iteratee) {
      if (!(array && array.length)) {
        return [];
      }
      var result = unzip(array);
      if (iteratee == null) {
        return result;
      }
      return arrayMap(result, function(group) {
        return apply(iteratee, undefined, group);
      });
    }

    /**
     * Creates an array excluding all given values using
     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * for equality comparisons.
     *
     * **Note:** Unlike `_.pull`, this method returns a new array.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {...*} [values] The values to exclude.
     * @returns {Array} Returns the new array of filtered values.
     * @see _.difference, _.xor
     * @example
     *
     * _.without([2, 1, 2, 3], 1, 2);
     * // => [3]
     */
    var without = baseRest(function(array, values) {
      return isArrayLikeObject(array)
        ? baseDifference(array, values)
        : [];
    });

    /**
     * Creates an array of unique values that is the
     * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)
     * of the given arrays. The order of result values is determined by the order
     * they occur in the arrays.
     *
     * @static
     * @memberOf _
     * @since 2.4.0
     * @category Array
     * @param {...Array} [arrays] The arrays to inspect.
     * @returns {Array} Returns the new array of filtered values.
     * @see _.difference, _.without
     * @example
     *
     * _.xor([2, 1], [2, 3]);
     * // => [1, 3]
     */
    var xor = baseRest(function(arrays) {
      return baseXor(arrayFilter(arrays, isArrayLikeObject));
    });

    /**
     * This method is like `_.xor` except that it accepts `iteratee` which is
     * invoked for each element of each `arrays` to generate the criterion by
     * which by which they're compared. The order of result values is determined
     * by the order they occur in the arrays. The iteratee is invoked with one
     * argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {...Array} [arrays] The arrays to inspect.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {Array} Returns the new array of filtered values.
     * @example
     *
     * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);
     * // => [1.2, 3.4]
     *
     * // The `_.property` iteratee shorthand.
     * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
     * // => [{ 'x': 2 }]
     */
    var xorBy = baseRest(function(arrays) {
      var iteratee = last(arrays);
      if (isArrayLikeObject(iteratee)) {
        iteratee = undefined;
      }
      return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));
    });

    /**
     * This method is like `_.xor` except that it accepts `comparator` which is
     * invoked to compare elements of `arrays`. The order of result values is
     * determined by the order they occur in the arrays. The comparator is invoked
     * with two arguments: (arrVal, othVal).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {...Array} [arrays] The arrays to inspect.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns the new array of filtered values.
     * @example
     *
     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];
     *
     * _.xorWith(objects, others, _.isEqual);
     * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]
     */
    var xorWith = baseRest(function(arrays) {
      var comparator = last(arrays);
      comparator = typeof comparator == 'function' ? comparator : undefined;
      return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);
    });

    /**
     * Creates an array of grouped elements, the first of which contains the
     * first elements of the given arrays, the second of which contains the
     * second elements of the given arrays, and so on.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {...Array} [arrays] The arrays to process.
     * @returns {Array} Returns the new array of grouped elements.
     * @example
     *
     * _.zip(['a', 'b'], [1, 2], [true, false]);
     * // => [['a', 1, true], ['b', 2, false]]
     */
    var zip = baseRest(unzip);

    /**
     * This method is like `_.fromPairs` except that it accepts two arrays,
     * one of property identifiers and one of corresponding values.
     *
     * @static
     * @memberOf _
     * @since 0.4.0
     * @category Array
     * @param {Array} [props=[]] The property identifiers.
     * @param {Array} [values=[]] The property values.
     * @returns {Object} Returns the new object.
     * @example
     *
     * _.zipObject(['a', 'b'], [1, 2]);
     * // => { 'a': 1, 'b': 2 }
     */
    function zipObject(props, values) {
      return baseZipObject(props || [], values || [], assignValue);
    }

    /**
     * This method is like `_.zipObject` except that it supports property paths.
     *
     * @static
     * @memberOf _
     * @since 4.1.0
     * @category Array
     * @param {Array} [props=[]] The property identifiers.
     * @param {Array} [values=[]] The property values.
     * @returns {Object} Returns the new object.
     * @example
     *
     * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);
     * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }
     */
    function zipObjectDeep(props, values) {
      return baseZipObject(props || [], values || [], baseSet);
    }

    /**
     * This method is like `_.zip` except that it accepts `iteratee` to specify
     * how grouped values should be combined. The iteratee is invoked with the
     * elements of each group: (...group).
     *
     * @static
     * @memberOf _
     * @since 3.8.0
     * @category Array
     * @param {...Array} [arrays] The arrays to process.
     * @param {Function} [iteratee=_.identity] The function to combine
     *  grouped values.
     * @returns {Array} Returns the new array of grouped elements.
     * @example
     *
     * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {
     *   return a + b + c;
     * });
     * // => [111, 222]
     */
    var zipWith = baseRest(function(arrays) {
      var length = arrays.length,
          iteratee = length > 1 ? arrays[length - 1] : undefined;

      iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;
      return unzipWith(arrays, iteratee);
    });

    /*------------------------------------------------------------------------*/

    /**
     * Creates a `lodash` wrapper instance that wraps `value` with explicit method
     * chain sequences enabled. The result of such sequences must be unwrapped
     * with `_#value`.
     *
     * @static
     * @memberOf _
     * @since 1.3.0
     * @category Seq
     * @param {*} value The value to wrap.
     * @returns {Object} Returns the new `lodash` wrapper instance.
     * @example
     *
     * var users = [
     *   { 'user': 'barney',  'age': 36 },
     *   { 'user': 'fred',    'age': 40 },
     *   { 'user': 'pebbles', 'age': 1 }
     * ];
     *
     * var youngest = _
     *   .chain(users)
     *   .sortBy('age')
     *   .map(function(o) {
     *     return o.user + ' is ' + o.age;
     *   })
     *   .head()
     *   .value();
     * // => 'pebbles is 1'
     */
    function chain(value) {
      var result = lodash(value);
      result.__chain__ = true;
      return result;
    }

    /**
     * This method invokes `interceptor` and returns `value`. The interceptor
     * is invoked with one argument; (value). The purpose of this method is to
     * "tap into" a method chain sequence in order to modify intermediate results.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Seq
     * @param {*} value The value to provide to `interceptor`.
     * @param {Function} interceptor The function to invoke.
     * @returns {*} Returns `value`.
     * @example
     *
     * _([1, 2, 3])
     *  .tap(function(array) {
     *    // Mutate input array.
     *    array.pop();
     *  })
     *  .reverse()
     *  .value();
     * // => [2, 1]
     */
    function tap(value, interceptor) {
      interceptor(value);
      return value;
    }

    /**
     * This method is like `_.tap` except that it returns the result of `interceptor`.
     * The purpose of this method is to "pass thru" values replacing intermediate
     * results in a method chain sequence.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Seq
     * @param {*} value The value to provide to `interceptor`.
     * @param {Function} interceptor The function to invoke.
     * @returns {*} Returns the result of `interceptor`.
     * @example
     *
     * _('  abc  ')
     *  .chain()
     *  .trim()
     *  .thru(function(value) {
     *    return [value];
     *  })
     *  .value();
     * // => ['abc']
     */
    function thru(value, interceptor) {
      return interceptor(value);
    }

    /**
     * This method is the wrapper version of `_.at`.
     *
     * @name at
     * @memberOf _
     * @since 1.0.0
     * @category Seq
     * @param {...(string|string[])} [paths] The property paths to pick.
     * @returns {Object} Returns the new `lodash` wrapper instance.
     * @example
     *
     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };
     *
     * _(object).at(['a[0].b.c', 'a[1]']).value();
     * // => [3, 4]
     */
    var wrapperAt = flatRest(function(paths) {
      var length = paths.length,
          start = length ? paths[0] : 0,
          value = this.__wrapped__,
          interceptor = function(object) { return baseAt(object, paths); };

      if (length > 1 || this.__actions__.length ||
          !(value instanceof LazyWrapper) || !isIndex(start)) {
        return this.thru(interceptor);
      }
      value = value.slice(start, +start + (length ? 1 : 0));
      value.__actions__.push({
        'func': thru,
        'args': [interceptor],
        'thisArg': undefined
      });
      return new LodashWrapper(value, this.__chain__).thru(function(array) {
        if (length && !array.length) {
          array.push(undefined);
        }
        return array;
      });
    });

    /**
     * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.
     *
     * @name chain
     * @memberOf _
     * @since 0.1.0
     * @category Seq
     * @returns {Object} Returns the new `lodash` wrapper instance.
     * @example
     *
     * var users = [
     *   { 'user': 'barney', 'age': 36 },
     *   { 'user': 'fred',   'age': 40 }
     * ];
     *
     * // A sequence without explicit chaining.
     * _(users).head();
     * // => { 'user': 'barney', 'age': 36 }
     *
     * // A sequence with explicit chaining.
     * _(users)
     *   .chain()
     *   .head()
     *   .pick('user')
     *   .value();
     * // => { 'user': 'barney' }
     */
    function wrapperChain() {
      return chain(this);
    }

    /**
     * Executes the chain sequence and returns the wrapped result.
     *
     * @name commit
     * @memberOf _
     * @since 3.2.0
     * @category Seq
     * @returns {Object} Returns the new `lodash` wrapper instance.
     * @example
     *
     * var array = [1, 2];
     * var wrapped = _(array).push(3);
     *
     * console.log(array);
     * // => [1, 2]
     *
     * wrapped = wrapped.commit();
     * console.log(array);
     * // => [1, 2, 3]
     *
     * wrapped.last();
     * // => 3
     *
     * console.log(array);
     * // => [1, 2, 3]
     */
    function wrapperCommit() {
      return new LodashWrapper(this.value(), this.__chain__);
    }

    /**
     * Gets the next value on a wrapped object following the
     * [iterator protocol](https://mdn.io/iteration_protocols#iterator).
     *
     * @name next
     * @memberOf _
     * @since 4.0.0
     * @category Seq
     * @returns {Object} Returns the next iterator value.
     * @example
     *
     * var wrapped = _([1, 2]);
     *
     * wrapped.next();
     * // => { 'done': false, 'value': 1 }
     *
     * wrapped.next();
     * // => { 'done': false, 'value': 2 }
     *
     * wrapped.next();
     * // => { 'done': true, 'value': undefined }
     */
    function wrapperNext() {
      if (this.__values__ === undefined) {
        this.__values__ = toArray(this.value());
      }
      var done = this.__index__ >= this.__values__.length,
          value = done ? undefined : this.__values__[this.__index__++];

      return { 'done': done, 'value': value };
    }

    /**
     * Enables the wrapper to be iterable.
     *
     * @name Symbol.iterator
     * @memberOf _
     * @since 4.0.0
     * @category Seq
     * @returns {Object} Returns the wrapper object.
     * @example
     *
     * var wrapped = _([1, 2]);
     *
     * wrapped[Symbol.iterator]() === wrapped;
     * // => true
     *
     * Array.from(wrapped);
     * // => [1, 2]
     */
    function wrapperToIterator() {
      return this;
    }

    /**
     * Creates a clone of the chain sequence planting `value` as the wrapped value.
     *
     * @name plant
     * @memberOf _
     * @since 3.2.0
     * @category Seq
     * @param {*} value The value to plant.
     * @returns {Object} Returns the new `lodash` wrapper instance.
     * @example
     *
     * function square(n) {
     *   return n * n;
     * }
     *
     * var wrapped = _([1, 2]).map(square);
     * var other = wrapped.plant([3, 4]);
     *
     * other.value();
     * // => [9, 16]
     *
     * wrapped.value();
     * // => [1, 4]
     */
    function wrapperPlant(value) {
      var result,
          parent = this;

      while (parent instanceof baseLodash) {
        var clone = wrapperClone(parent);
        clone.__index__ = 0;
        clone.__values__ = undefined;
        if (result) {
          previous.__wrapped__ = clone;
        } else {
          result = clone;
        }
        var previous = clone;
        parent = parent.__wrapped__;
      }
      previous.__wrapped__ = value;
      return result;
    }

    /**
     * This method is the wrapper version of `_.reverse`.
     *
     * **Note:** This method mutates the wrapped array.
     *
     * @name reverse
     * @memberOf _
     * @since 0.1.0
     * @category Seq
     * @returns {Object} Returns the new `lodash` wrapper instance.
     * @example
     *
     * var array = [1, 2, 3];
     *
     * _(array).reverse().value()
     * // => [3, 2, 1]
     *
     * console.log(array);
     * // => [3, 2, 1]
     */
    function wrapperReverse() {
      var value = this.__wrapped__;
      if (value instanceof LazyWrapper) {
        var wrapped = value;
        if (this.__actions__.length) {
          wrapped = new LazyWrapper(this);
        }
        wrapped = wrapped.reverse();
        wrapped.__actions__.push({
          'func': thru,
          'args': [reverse],
          'thisArg': undefined
        });
        return new LodashWrapper(wrapped, this.__chain__);
      }
      return this.thru(reverse);
    }

    /**
     * Executes the chain sequence to resolve the unwrapped value.
     *
     * @name value
     * @memberOf _
     * @since 0.1.0
     * @alias toJSON, valueOf
     * @category Seq
     * @returns {*} Returns the resolved unwrapped value.
     * @example
     *
     * _([1, 2, 3]).value();
     * // => [1, 2, 3]
     */
    function wrapperValue() {
      return baseWrapperValue(this.__wrapped__, this.__actions__);
    }

    /*------------------------------------------------------------------------*/

    /**
     * Creates an object composed of keys generated from the results of running
     * each element of `collection` thru `iteratee`. The corresponding value of
     * each key is the number of times the key was returned by `iteratee`. The
     * iteratee is invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 0.5.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.
     * @returns {Object} Returns the composed aggregate object.
     * @example
     *
     * _.countBy([6.1, 4.2, 6.3], Math.floor);
     * // => { '4': 1, '6': 2 }
     *
     * // The `_.property` iteratee shorthand.
     * _.countBy(['one', 'two', 'three'], 'length');
     * // => { '3': 2, '5': 1 }
     */
    var countBy = createAggregator(function(result, value, key) {
      if (hasOwnProperty.call(result, key)) {
        ++result[key];
      } else {
        baseAssignValue(result, key, 1);
      }
    });

    /**
     * Checks if `predicate` returns truthy for **all** elements of `collection`.
     * Iteration is stopped once `predicate` returns falsey. The predicate is
     * invoked with three arguments: (value, index|key, collection).
     *
     * **Note:** This method returns `true` for
     * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because
     * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of
     * elements of empty collections.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {boolean} Returns `true` if all elements pass the predicate check,
     *  else `false`.
     * @example
     *
     * _.every([true, 1, null, 'yes'], Boolean);
     * // => false
     *
     * var users = [
     *   { 'user': 'barney', 'age': 36, 'active': false },
     *   { 'user': 'fred',   'age': 40, 'active': false }
     * ];
     *
     * // The `_.matches` iteratee shorthand.
     * _.every(users, { 'user': 'barney', 'active': false });
     * // => false
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.every(users, ['active', false]);
     * // => true
     *
     * // The `_.property` iteratee shorthand.
     * _.every(users, 'active');
     * // => false
     */
    function every(collection, predicate, guard) {
      var func = isArray(collection) ? arrayEvery : baseEvery;
      if (guard && isIterateeCall(collection, predicate, guard)) {
        predicate = undefined;
      }
      return func(collection, getIteratee(predicate, 3));
    }

    /**
     * Iterates over elements of `collection`, returning an array of all elements
     * `predicate` returns truthy for. The predicate is invoked with three
     * arguments: (value, index|key, collection).
     *
     * **Note:** Unlike `_.remove`, this method returns a new array.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the new filtered array.
     * @see _.reject
     * @example
     *
     * var users = [
     *   { 'user': 'barney', 'age': 36, 'active': true },
     *   { 'user': 'fred',   'age': 40, 'active': false }
     * ];
     *
     * _.filter(users, function(o) { return !o.active; });
     * // => objects for ['fred']
     *
     * // The `_.matches` iteratee shorthand.
     * _.filter(users, { 'age': 36, 'active': true });
     * // => objects for ['barney']
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.filter(users, ['active', false]);
     * // => objects for ['fred']
     *
     * // The `_.property` iteratee shorthand.
     * _.filter(users, 'active');
     * // => objects for ['barney']
     */
    function filter(collection, predicate) {
      var func = isArray(collection) ? arrayFilter : baseFilter;
      return func(collection, getIteratee(predicate, 3));
    }

    /**
     * Iterates over elements of `collection`, returning the first element
     * `predicate` returns truthy for. The predicate is invoked with three
     * arguments: (value, index|key, collection).
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to inspect.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @param {number} [fromIndex=0] The index to search from.
     * @returns {*} Returns the matched element, else `undefined`.
     * @example
     *
     * var users = [
     *   { 'user': 'barney',  'age': 36, 'active': true },
     *   { 'user': 'fred',    'age': 40, 'active': false },
     *   { 'user': 'pebbles', 'age': 1,  'active': true }
     * ];
     *
     * _.find(users, function(o) { return o.age < 40; });
     * // => object for 'barney'
     *
     * // The `_.matches` iteratee shorthand.
     * _.find(users, { 'age': 1, 'active': true });
     * // => object for 'pebbles'
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.find(users, ['active', false]);
     * // => object for 'fred'
     *
     * // The `_.property` iteratee shorthand.
     * _.find(users, 'active');
     * // => object for 'barney'
     */
    var find = createFind(findIndex);

    /**
     * This method is like `_.find` except that it iterates over elements of
     * `collection` from right to left.
     *
     * @static
     * @memberOf _
     * @since 2.0.0
     * @category Collection
     * @param {Array|Object} collection The collection to inspect.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @param {number} [fromIndex=collection.length-1] The index to search from.
     * @returns {*} Returns the matched element, else `undefined`.
     * @example
     *
     * _.findLast([1, 2, 3, 4], function(n) {
     *   return n % 2 == 1;
     * });
     * // => 3
     */
    var findLast = createFind(findLastIndex);

    /**
     * Creates a flattened array of values by running each element in `collection`
     * thru `iteratee` and flattening the mapped results. The iteratee is invoked
     * with three arguments: (value, index|key, collection).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the new flattened array.
     * @example
     *
     * function duplicate(n) {
     *   return [n, n];
     * }
     *
     * _.flatMap([1, 2], duplicate);
     * // => [1, 1, 2, 2]
     */
    function flatMap(collection, iteratee) {
      return baseFlatten(map(collection, iteratee), 1);
    }

    /**
     * This method is like `_.flatMap` except that it recursively flattens the
     * mapped results.
     *
     * @static
     * @memberOf _
     * @since 4.7.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the new flattened array.
     * @example
     *
     * function duplicate(n) {
     *   return [[[n, n]]];
     * }
     *
     * _.flatMapDeep([1, 2], duplicate);
     * // => [1, 1, 2, 2]
     */
    function flatMapDeep(collection, iteratee) {
      return baseFlatten(map(collection, iteratee), INFINITY);
    }

    /**
     * This method is like `_.flatMap` except that it recursively flattens the
     * mapped results up to `depth` times.
     *
     * @static
     * @memberOf _
     * @since 4.7.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @param {number} [depth=1] The maximum recursion depth.
     * @returns {Array} Returns the new flattened array.
     * @example
     *
     * function duplicate(n) {
     *   return [[[n, n]]];
     * }
     *
     * _.flatMapDepth([1, 2], duplicate, 2);
     * // => [[1, 1], [2, 2]]
     */
    function flatMapDepth(collection, iteratee, depth) {
      depth = depth === undefined ? 1 : toInteger(depth);
      return baseFlatten(map(collection, iteratee), depth);
    }

    /**
     * Iterates over elements of `collection` and invokes `iteratee` for each element.
     * The iteratee is invoked with three arguments: (value, index|key, collection).
     * Iteratee functions may exit iteration early by explicitly returning `false`.
     *
     * **Note:** As with other "Collections" methods, objects with a "length"
     * property are iterated like arrays. To avoid this behavior use `_.forIn`
     * or `_.forOwn` for object iteration.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @alias each
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Array|Object} Returns `collection`.
     * @see _.forEachRight
     * @example
     *
     * _.forEach([1, 2], function(value) {
     *   console.log(value);
     * });
     * // => Logs `1` then `2`.
     *
     * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {
     *   console.log(key);
     * });
     * // => Logs 'a' then 'b' (iteration order is not guaranteed).
     */
    function forEach(collection, iteratee) {
      var func = isArray(collection) ? arrayEach : baseEach;
      return func(collection, getIteratee(iteratee, 3));
    }

    /**
     * This method is like `_.forEach` except that it iterates over elements of
     * `collection` from right to left.
     *
     * @static
     * @memberOf _
     * @since 2.0.0
     * @alias eachRight
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Array|Object} Returns `collection`.
     * @see _.forEach
     * @example
     *
     * _.forEachRight([1, 2], function(value) {
     *   console.log(value);
     * });
     * // => Logs `2` then `1`.
     */
    function forEachRight(collection, iteratee) {
      var func = isArray(collection) ? arrayEachRight : baseEachRight;
      return func(collection, getIteratee(iteratee, 3));
    }

    /**
     * Creates an object composed of keys generated from the results of running
     * each element of `collection` thru `iteratee`. The order of grouped values
     * is determined by the order they occur in `collection`. The corresponding
     * value of each key is an array of elements responsible for generating the
     * key. The iteratee is invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.
     * @returns {Object} Returns the composed aggregate object.
     * @example
     *
     * _.groupBy([6.1, 4.2, 6.3], Math.floor);
     * // => { '4': [4.2], '6': [6.1, 6.3] }
     *
     * // The `_.property` iteratee shorthand.
     * _.groupBy(['one', 'two', 'three'], 'length');
     * // => { '3': ['one', 'two'], '5': ['three'] }
     */
    var groupBy = createAggregator(function(result, value, key) {
      if (hasOwnProperty.call(result, key)) {
        result[key].push(value);
      } else {
        baseAssignValue(result, key, [value]);
      }
    });

    /**
     * Checks if `value` is in `collection`. If `collection` is a string, it's
     * checked for a substring of `value`, otherwise
     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * is used for equality comparisons. If `fromIndex` is negative, it's used as
     * the offset from the end of `collection`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object|string} collection The collection to inspect.
     * @param {*} value The value to search for.
     * @param {number} [fromIndex=0] The index to search from.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.
     * @returns {boolean} Returns `true` if `value` is found, else `false`.
     * @example
     *
     * _.includes([1, 2, 3], 1);
     * // => true
     *
     * _.includes([1, 2, 3], 1, 2);
     * // => false
     *
     * _.includes({ 'a': 1, 'b': 2 }, 1);
     * // => true
     *
     * _.includes('abcd', 'bc');
     * // => true
     */
    function includes(collection, value, fromIndex, guard) {
      collection = isArrayLike(collection) ? collection : values(collection);
      fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;

      var length = collection.length;
      if (fromIndex < 0) {
        fromIndex = nativeMax(length + fromIndex, 0);
      }
      return isString(collection)
        ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)
        : (!!length && baseIndexOf(collection, value, fromIndex) > -1);
    }

    /**
     * Invokes the method at `path` of each element in `collection`, returning
     * an array of the results of each invoked method. Any additional arguments
     * are provided to each invoked method. If `path` is a function, it's invoked
     * for, and `this` bound to, each element in `collection`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Array|Function|string} path The path of the method to invoke or
     *  the function invoked per iteration.
     * @param {...*} [args] The arguments to invoke each method with.
     * @returns {Array} Returns the array of results.
     * @example
     *
     * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');
     * // => [[1, 5, 7], [1, 2, 3]]
     *
     * _.invokeMap([123, 456], String.prototype.split, '');
     * // => [['1', '2', '3'], ['4', '5', '6']]
     */
    var invokeMap = baseRest(function(collection, path, args) {
      var index = -1,
          isFunc = typeof path == 'function',
          result = isArrayLike(collection) ? Array(collection.length) : [];

      baseEach(collection, function(value) {
        result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);
      });
      return result;
    });

    /**
     * Creates an object composed of keys generated from the results of running
     * each element of `collection` thru `iteratee`. The corresponding value of
     * each key is the last element responsible for generating the key. The
     * iteratee is invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.
     * @returns {Object} Returns the composed aggregate object.
     * @example
     *
     * var array = [
     *   { 'dir': 'left', 'code': 97 },
     *   { 'dir': 'right', 'code': 100 }
     * ];
     *
     * _.keyBy(array, function(o) {
     *   return String.fromCharCode(o.code);
     * });
     * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }
     *
     * _.keyBy(array, 'dir');
     * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }
     */
    var keyBy = createAggregator(function(result, value, key) {
      baseAssignValue(result, key, value);
    });

    /**
     * Creates an array of values by running each element in `collection` thru
     * `iteratee`. The iteratee is invoked with three arguments:
     * (value, index|key, collection).
     *
     * Many lodash methods are guarded to work as iteratees for methods like
     * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.
     *
     * The guarded methods are:
     * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,
     * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,
     * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,
     * `template`, `trim`, `trimEnd`, `trimStart`, and `words`
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the new mapped array.
     * @example
     *
     * function square(n) {
     *   return n * n;
     * }
     *
     * _.map([4, 8], square);
     * // => [16, 64]
     *
     * _.map({ 'a': 4, 'b': 8 }, square);
     * // => [16, 64] (iteration order is not guaranteed)
     *
     * var users = [
     *   { 'user': 'barney' },
     *   { 'user': 'fred' }
     * ];
     *
     * // The `_.property` iteratee shorthand.
     * _.map(users, 'user');
     * // => ['barney', 'fred']
     */
    function map(collection, iteratee) {
      var func = isArray(collection) ? arrayMap : baseMap;
      return func(collection, getIteratee(iteratee, 3));
    }

    /**
     * This method is like `_.sortBy` except that it allows specifying the sort
     * orders of the iteratees to sort by. If `orders` is unspecified, all values
     * are sorted in ascending order. Otherwise, specify an order of "desc" for
     * descending or "asc" for ascending sort order of corresponding values.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]
     *  The iteratees to sort by.
     * @param {string[]} [orders] The sort orders of `iteratees`.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.
     * @returns {Array} Returns the new sorted array.
     * @example
     *
     * var users = [
     *   { 'user': 'fred',   'age': 48 },
     *   { 'user': 'barney', 'age': 34 },
     *   { 'user': 'fred',   'age': 40 },
     *   { 'user': 'barney', 'age': 36 }
     * ];
     *
     * // Sort by `user` in ascending order and by `age` in descending order.
     * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);
     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]
     */
    function orderBy(collection, iteratees, orders, guard) {
      if (collection == null) {
        return [];
      }
      if (!isArray(iteratees)) {
        iteratees = iteratees == null ? [] : [iteratees];
      }
      orders = guard ? undefined : orders;
      if (!isArray(orders)) {
        orders = orders == null ? [] : [orders];
      }
      return baseOrderBy(collection, iteratees, orders);
    }

    /**
     * Creates an array of elements split into two groups, the first of which
     * contains elements `predicate` returns truthy for, the second of which
     * contains elements `predicate` returns falsey for. The predicate is
     * invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the array of grouped elements.
     * @example
     *
     * var users = [
     *   { 'user': 'barney',  'age': 36, 'active': false },
     *   { 'user': 'fred',    'age': 40, 'active': true },
     *   { 'user': 'pebbles', 'age': 1,  'active': false }
     * ];
     *
     * _.partition(users, function(o) { return o.active; });
     * // => objects for [['fred'], ['barney', 'pebbles']]
     *
     * // The `_.matches` iteratee shorthand.
     * _.partition(users, { 'age': 1, 'active': false });
     * // => objects for [['pebbles'], ['barney', 'fred']]
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.partition(users, ['active', false]);
     * // => objects for [['barney', 'pebbles'], ['fred']]
     *
     * // The `_.property` iteratee shorthand.
     * _.partition(users, 'active');
     * // => objects for [['fred'], ['barney', 'pebbles']]
     */
    var partition = createAggregator(function(result, value, key) {
      result[key ? 0 : 1].push(value);
    }, function() { return [[], []]; });

    /**
     * Reduces `collection` to a value which is the accumulated result of running
     * each element in `collection` thru `iteratee`, where each successive
     * invocation is supplied the return value of the previous. If `accumulator`
     * is not given, the first element of `collection` is used as the initial
     * value. The iteratee is invoked with four arguments:
     * (accumulator, value, index|key, collection).
     *
     * Many lodash methods are guarded to work as iteratees for methods like
     * `_.reduce`, `_.reduceRight`, and `_.transform`.
     *
     * The guarded methods are:
     * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,
     * and `sortBy`
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @param {*} [accumulator] The initial value.
     * @returns {*} Returns the accumulated value.
     * @see _.reduceRight
     * @example
     *
     * _.reduce([1, 2], function(sum, n) {
     *   return sum + n;
     * }, 0);
     * // => 3
     *
     * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {
     *   (result[value] || (result[value] = [])).push(key);
     *   return result;
     * }, {});
     * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)
     */
    function reduce(collection, iteratee, accumulator) {
      var func = isArray(collection) ? arrayReduce : baseReduce,
          initAccum = arguments.length < 3;

      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);
    }

    /**
     * This method is like `_.reduce` except that it iterates over elements of
     * `collection` from right to left.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @param {*} [accumulator] The initial value.
     * @returns {*} Returns the accumulated value.
     * @see _.reduce
     * @example
     *
     * var array = [[0, 1], [2, 3], [4, 5]];
     *
     * _.reduceRight(array, function(flattened, other) {
     *   return flattened.concat(other);
     * }, []);
     * // => [4, 5, 2, 3, 0, 1]
     */
    function reduceRight(collection, iteratee, accumulator) {
      var func = isArray(collection) ? arrayReduceRight : baseReduce,
          initAccum = arguments.length < 3;

      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);
    }

    /**
     * The opposite of `_.filter`; this method returns the elements of `collection`
     * that `predicate` does **not** return truthy for.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the new filtered array.
     * @see _.filter
     * @example
     *
     * var users = [
     *   { 'user': 'barney', 'age': 36, 'active': false },
     *   { 'user': 'fred',   'age': 40, 'active': true }
     * ];
     *
     * _.reject(users, function(o) { return !o.active; });
     * // => objects for ['fred']
     *
     * // The `_.matches` iteratee shorthand.
     * _.reject(users, { 'age': 40, 'active': true });
     * // => objects for ['barney']
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.reject(users, ['active', false]);
     * // => objects for ['fred']
     *
     * // The `_.property` iteratee shorthand.
     * _.reject(users, 'active');
     * // => objects for ['barney']
     */
    function reject(collection, predicate) {
      var func = isArray(collection) ? arrayFilter : baseFilter;
      return func(collection, negate(getIteratee(predicate, 3)));
    }

    /**
     * Gets a random element from `collection`.
     *
     * @static
     * @memberOf _
     * @since 2.0.0
     * @category Collection
     * @param {Array|Object} collection The collection to sample.
     * @returns {*} Returns the random element.
     * @example
     *
     * _.sample([1, 2, 3, 4]);
     * // => 2
     */
    function sample(collection) {
      var func = isArray(collection) ? arraySample : baseSample;
      return func(collection);
    }

    /**
     * Gets `n` random elements at unique keys from `collection` up to the
     * size of `collection`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Collection
     * @param {Array|Object} collection The collection to sample.
     * @param {number} [n=1] The number of elements to sample.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Array} Returns the random elements.
     * @example
     *
     * _.sampleSize([1, 2, 3], 2);
     * // => [3, 1]
     *
     * _.sampleSize([1, 2, 3], 4);
     * // => [2, 3, 1]
     */
    function sampleSize(collection, n, guard) {
      if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {
        n = 1;
      } else {
        n = toInteger(n);
      }
      var func = isArray(collection) ? arraySampleSize : baseSampleSize;
      return func(collection, n);
    }

    /**
     * Creates an array of shuffled values, using a version of the
     * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to shuffle.
     * @returns {Array} Returns the new shuffled array.
     * @example
     *
     * _.shuffle([1, 2, 3, 4]);
     * // => [4, 1, 3, 2]
     */
    function shuffle(collection) {
      var func = isArray(collection) ? arrayShuffle : baseShuffle;
      return func(collection);
    }

    /**
     * Gets the size of `collection` by returning its length for array-like
     * values or the number of own enumerable string keyed properties for objects.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object|string} collection The collection to inspect.
     * @returns {number} Returns the collection size.
     * @example
     *
     * _.size([1, 2, 3]);
     * // => 3
     *
     * _.size({ 'a': 1, 'b': 2 });
     * // => 2
     *
     * _.size('pebbles');
     * // => 7
     */
    function size(collection) {
      if (collection == null) {
        return 0;
      }
      if (isArrayLike(collection)) {
        return isString(collection) ? stringSize(collection) : collection.length;
      }
      var tag = getTag(collection);
      if (tag == mapTag || tag == setTag) {
        return collection.size;
      }
      return baseKeys(collection).length;
    }

    /**
     * Checks if `predicate` returns truthy for **any** element of `collection`.
     * Iteration is stopped once `predicate` returns truthy. The predicate is
     * invoked with three arguments: (value, index|key, collection).
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {boolean} Returns `true` if any element passes the predicate check,
     *  else `false`.
     * @example
     *
     * _.some([null, 0, 'yes', false], Boolean);
     * // => true
     *
     * var users = [
     *   { 'user': 'barney', 'active': true },
     *   { 'user': 'fred',   'active': false }
     * ];
     *
     * // The `_.matches` iteratee shorthand.
     * _.some(users, { 'user': 'barney', 'active': false });
     * // => false
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.some(users, ['active', false]);
     * // => true
     *
     * // The `_.property` iteratee shorthand.
     * _.some(users, 'active');
     * // => true
     */
    function some(collection, predicate, guard) {
      var func = isArray(collection) ? arraySome : baseSome;
      if (guard && isIterateeCall(collection, predicate, guard)) {
        predicate = undefined;
      }
      return func(collection, getIteratee(predicate, 3));
    }

    /**
     * Creates an array of elements, sorted in ascending order by the results of
     * running each element in a collection thru each iteratee. This method
     * performs a stable sort, that is, it preserves the original sort order of
     * equal elements. The iteratees are invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {...(Function|Function[])} [iteratees=[_.identity]]
     *  The iteratees to sort by.
     * @returns {Array} Returns the new sorted array.
     * @example
     *
     * var users = [
     *   { 'user': 'fred',   'age': 48 },
     *   { 'user': 'barney', 'age': 36 },
     *   { 'user': 'fred',   'age': 40 },
     *   { 'user': 'barney', 'age': 34 }
     * ];
     *
     * _.sortBy(users, [function(o) { return o.user; }]);
     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]
     *
     * _.sortBy(users, ['user', 'age']);
     * // => objects for [['barney', 34], ['barney', 36], ['fred', 40], ['fred', 48]]
     */
    var sortBy = baseRest(function(collection, iteratees) {
      if (collection == null) {
        return [];
      }
      var length = iteratees.length;
      if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {
        iteratees = [];
      } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {
        iteratees = [iteratees[0]];
      }
      return baseOrderBy(collection, baseFlatten(iteratees, 1), []);
    });

    /*------------------------------------------------------------------------*/

    /**
     * Gets the timestamp of the number of milliseconds that have elapsed since
     * the Unix epoch (1 January 1970 00:00:00 UTC).
     *
     * @static
     * @memberOf _
     * @since 2.4.0
     * @category Date
     * @returns {number} Returns the timestamp.
     * @example
     *
     * _.defer(function(stamp) {
     *   console.log(_.now() - stamp);
     * }, _.now());
     * // => Logs the number of milliseconds it took for the deferred invocation.
     */
    var now = ctxNow || function() {
      return root.Date.now();
    };

    /*------------------------------------------------------------------------*/

    /**
     * The opposite of `_.before`; this method creates a function that invokes
     * `func` once it's called `n` or more times.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Function
     * @param {number} n The number of calls before `func` is invoked.
     * @param {Function} func The function to restrict.
     * @returns {Function} Returns the new restricted function.
     * @example
     *
     * var saves = ['profile', 'settings'];
     *
     * var done = _.after(saves.length, function() {
     *   console.log('done saving!');
     * });
     *
     * _.forEach(saves, function(type) {
     *   asyncSave({ 'type': type, 'complete': done });
     * });
     * // => Logs 'done saving!' after the two async saves have completed.
     */
    function after(n, func) {
      if (typeof func != 'function') {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      n = toInteger(n);
      return function() {
        if (--n < 1) {
          return func.apply(this, arguments);
        }
      };
    }

    /**
     * Creates a function that invokes `func`, with up to `n` arguments,
     * ignoring any additional arguments.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Function
     * @param {Function} func The function to cap arguments for.
     * @param {number} [n=func.length] The arity cap.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Function} Returns the new capped function.
     * @example
     *
     * _.map(['6', '8', '10'], _.ary(parseInt, 1));
     * // => [6, 8, 10]
     */
    function ary(func, n, guard) {
      n = guard ? undefined : n;
      n = (func && n == null) ? func.length : n;
      return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);
    }

    /**
     * Creates a function that invokes `func`, with the `this` binding and arguments
     * of the created function, while it's called less than `n` times. Subsequent
     * calls to the created function return the result of the last `func` invocation.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Function
     * @param {number} n The number of calls at which `func` is no longer invoked.
     * @param {Function} func The function to restrict.
     * @returns {Function} Returns the new restricted function.
     * @example
     *
     * jQuery(element).on('click', _.before(5, addContactToList));
     * // => Allows adding up to 4 contacts to the list.
     */
    function before(n, func) {
      var result;
      if (typeof func != 'function') {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      n = toInteger(n);
      return function() {
        if (--n > 0) {
          result = func.apply(this, arguments);
        }
        if (n <= 1) {
          func = undefined;
        }
        return result;
      };
    }

    /**
     * Creates a function that invokes `func` with the `this` binding of `thisArg`
     * and `partials` prepended to the arguments it receives.
     *
     * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,
     * may be used as a placeholder for partially applied arguments.
     *
     * **Note:** Unlike native `Function#bind`, this method doesn't set the "length"
     * property of bound functions.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Function
     * @param {Function} func The function to bind.
     * @param {*} thisArg The `this` binding of `func`.
     * @param {...*} [partials] The arguments to be partially applied.
     * @returns {Function} Returns the new bound function.
     * @example
     *
     * function greet(greeting, punctuation) {
     *   return greeting + ' ' + this.user + punctuation;
     * }
     *
     * var object = { 'user': 'fred' };
     *
     * var bound = _.bind(greet, object, 'hi');
     * bound('!');
     * // => 'hi fred!'
     *
     * // Bound with placeholders.
     * var bound = _.bind(greet, object, _, '!');
     * bound('hi');
     * // => 'hi fred!'
     */
    var bind = baseRest(function(func, thisArg, partials) {
      var bitmask = WRAP_BIND_FLAG;
      if (partials.length) {
        var holders = replaceHolders(partials, getHolder(bind));
        bitmask |= WRAP_PARTIAL_FLAG;
      }
      return createWrap(func, bitmask, thisArg, partials, holders);
    });

    /**
     * Creates a function that invokes the method at `object[key]` with `partials`
     * prepended to the arguments it receives.
     *
     * This method differs from `_.bind` by allowing bound functions to reference
     * methods that may be redefined or don't yet exist. See
     * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)
     * for more details.
     *
     * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic
     * builds, may be used as a placeholder for partially applied arguments.
     *
     * @static
     * @memberOf _
     * @since 0.10.0
     * @category Function
     * @param {Object} object The object to invoke the method on.
     * @param {string} key The key of the method.
     * @param {...*} [partials] The arguments to be partially applied.
     * @returns {Function} Returns the new bound function.
     * @example
     *
     * var object = {
     *   'user': 'fred',
     *   'greet': function(greeting, punctuation) {
     *     return greeting + ' ' + this.user + punctuation;
     *   }
     * };
     *
     * var bound = _.bindKey(object, 'greet', 'hi');
     * bound('!');
     * // => 'hi fred!'
     *
     * object.greet = function(greeting, punctuation) {
     *   return greeting + 'ya ' + this.user + punctuation;
     * };
     *
     * bound('!');
     * // => 'hiya fred!'
     *
     * // Bound with placeholders.
     * var bound = _.bindKey(object, 'greet', _, '!');
     * bound('hi');
     * // => 'hiya fred!'
     */
    var bindKey = baseRest(function(object, key, partials) {
      var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;
      if (partials.length) {
        var holders = replaceHolders(partials, getHolder(bindKey));
        bitmask |= WRAP_PARTIAL_FLAG;
      }
      return createWrap(key, bitmask, object, partials, holders);
    });

    /**
     * Creates a function that accepts arguments of `func` and either invokes
     * `func` returning its result, if at least `arity` number of arguments have
     * been provided, or returns a function that accepts the remaining `func`
     * arguments, and so on. The arity of `func` may be specified if `func.length`
     * is not sufficient.
     *
     * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,
     * may be used as a placeholder for provided arguments.
     *
     * **Note:** This method doesn't set the "length" property of curried functions.
     *
     * @static
     * @memberOf _
     * @since 2.0.0
     * @category Function
     * @param {Function} func The function to curry.
     * @param {number} [arity=func.length] The arity of `func`.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Function} Returns the new curried function.
     * @example
     *
     * var abc = function(a, b, c) {
     *   return [a, b, c];
     * };
     *
     * var curried = _.curry(abc);
     *
     * curried(1)(2)(3);
     * // => [1, 2, 3]
     *
     * curried(1, 2)(3);
     * // => [1, 2, 3]
     *
     * curried(1, 2, 3);
     * // => [1, 2, 3]
     *
     * // Curried with placeholders.
     * curried(1)(_, 3)(2);
     * // => [1, 2, 3]
     */
    function curry(func, arity, guard) {
      arity = guard ? undefined : arity;
      var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);
      result.placeholder = curry.placeholder;
      return result;
    }

    /**
     * This method is like `_.curry` except that arguments are applied to `func`
     * in the manner of `_.partialRight` instead of `_.partial`.
     *
     * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic
     * builds, may be used as a placeholder for provided arguments.
     *
     * **Note:** This method doesn't set the "length" property of curried functions.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Function
     * @param {Function} func The function to curry.
     * @param {number} [arity=func.length] The arity of `func`.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Function} Returns the new curried function.
     * @example
     *
     * var abc = function(a, b, c) {
     *   return [a, b, c];
     * };
     *
     * var curried = _.curryRight(abc);
     *
     * curried(3)(2)(1);
     * // => [1, 2, 3]
     *
     * curried(2, 3)(1);
     * // => [1, 2, 3]
     *
     * curried(1, 2, 3);
     * // => [1, 2, 3]
     *
     * // Curried with placeholders.
     * curried(3)(1, _)(2);
     * // => [1, 2, 3]
     */
    function curryRight(func, arity, guard) {
      arity = guard ? undefined : arity;
      var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);
      result.placeholder = curryRight.placeholder;
      return result;
    }

    /**
     * Creates a debounced function that delays invoking `func` until after `wait`
     * milliseconds have elapsed since the last time the debounced function was
     * invoked. The debounced function comes with a `cancel` method to cancel
     * delayed `func` invocations and a `flush` method to immediately invoke them.
     * Provide `options` to indicate whether `func` should be invoked on the
     * leading and/or trailing edge of the `wait` timeout. The `func` is invoked
     * with the last arguments provided to the debounced function. Subsequent
     * calls to the debounced function return the result of the last `func`
     * invocation.
     *
     * **Note:** If `leading` and `trailing` options are `true`, `func` is
     * invoked on the trailing edge of the timeout only if the debounced function
     * is invoked more than once during the `wait` timeout.
     *
     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred
     * until to the next tick, similar to `setTimeout` with a timeout of `0`.
     *
     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)
     * for details over the differences between `_.debounce` and `_.throttle`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Function
     * @param {Function} func The function to debounce.
     * @param {number} [wait=0] The number of milliseconds to delay.
     * @param {Object} [options={}] The options object.
     * @param {boolean} [options.leading=false]
     *  Specify invoking on the leading edge of the timeout.
     * @param {number} [options.maxWait]
     *  The maximum time `func` is allowed to be delayed before it's invoked.
     * @param {boolean} [options.trailing=true]
     *  Specify invoking on the trailing edge of the timeout.
     * @returns {Function} Returns the new debounced function.
     * @example
     *
     * // Avoid costly calculations while the window size is in flux.
     * jQuery(window).on('resize', _.debounce(calculateLayout, 150));
     *
     * // Invoke `sendMail` when clicked, debouncing subsequent calls.
     * jQuery(element).on('click', _.debounce(sendMail, 300, {
     *   'leading': true,
     *   'trailing': false
     * }));
     *
     * // Ensure `batchLog` is invoked once after 1 second of debounced calls.
     * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });
     * var source = new EventSource('/stream');
     * jQuery(source).on('message', debounced);
     *
     * // Cancel the trailing debounced invocation.
     * jQuery(window).on('popstate', debounced.cancel);
     */
    function debounce(func, wait, options) {
      var lastArgs,
          lastThis,
          maxWait,
          result,
          timerId,
          lastCallTime,
          lastInvokeTime = 0,
          leading = false,
          maxing = false,
          trailing = true;

      if (typeof func != 'function') {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      wait = toNumber(wait) || 0;
      if (isObject(options)) {
        leading = !!options.leading;
        maxing = 'maxWait' in options;
        maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;
        trailing = 'trailing' in options ? !!options.trailing : trailing;
      }

      function invokeFunc(time) {
        var args = lastArgs,
            thisArg = lastThis;

        lastArgs = lastThis = undefined;
        lastInvokeTime = time;
        result = func.apply(thisArg, args);
        return result;
      }

      function leadingEdge(time) {
        // Reset any `maxWait` timer.
        lastInvokeTime = time;
        // Start the timer for the trailing edge.
        timerId = setTimeout(timerExpired, wait);
        // Invoke the leading edge.
        return leading ? invokeFunc(time) : result;
      }

      function remainingWait(time) {
        var timeSinceLastCall = time - lastCallTime,
            timeSinceLastInvoke = time - lastInvokeTime,
            timeWaiting = wait - timeSinceLastCall;

        return maxing
          ? nativeMin(timeWaiting, maxWait - timeSinceLastInvoke)
          : timeWaiting;
      }

      function shouldInvoke(time) {
        var timeSinceLastCall = time - lastCallTime,
            timeSinceLastInvoke = time - lastInvokeTime;

        // Either this is the first call, activity has stopped and we're at the
        // trailing edge, the system time has gone backwards and we're treating
        // it as the trailing edge, or we've hit the `maxWait` limit.
        return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||
          (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));
      }

      function timerExpired() {
        var time = now();
        if (shouldInvoke(time)) {
          return trailingEdge(time);
        }
        // Restart the timer.
        timerId = setTimeout(timerExpired, remainingWait(time));
      }

      function trailingEdge(time) {
        timerId = undefined;

        // Only invoke if we have `lastArgs` which means `func` has been
        // debounced at least once.
        if (trailing && lastArgs) {
          return invokeFunc(time);
        }
        lastArgs = lastThis = undefined;
        return result;
      }

      function cancel() {
        if (timerId !== undefined) {
          clearTimeout(timerId);
        }
        lastInvokeTime = 0;
        lastArgs = lastCallTime = lastThis = timerId = undefined;
      }

      function flush() {
        return timerId === undefined ? result : trailingEdge(now());
      }

      function debounced() {
        var time = now(),
            isInvoking = shouldInvoke(time);

        lastArgs = arguments;
        lastThis = this;
        lastCallTime = time;

        if (isInvoking) {
          if (timerId === undefined) {
            return leadingEdge(lastCallTime);
          }
          if (maxing) {
            // Handle invocations in a tight loop.
            timerId = setTimeout(timerExpired, wait);
            return invokeFunc(lastCallTime);
          }
        }
        if (timerId === undefined) {
          timerId = setTimeout(timerExpired, wait);
        }
        return result;
      }
      debounced.cancel = cancel;
      debounced.flush = flush;
      return debounced;
    }

    /**
     * Defers invoking the `func` until the current call stack has cleared. Any
     * additional arguments are provided to `func` when it's invoked.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Function
     * @param {Function} func The function to defer.
     * @param {...*} [args] The arguments to invoke `func` with.
     * @returns {number} Returns the timer id.
     * @example
     *
     * _.defer(function(text) {
     *   console.log(text);
     * }, 'deferred');
     * // => Logs 'deferred' after one millisecond.
     */
    var defer = baseRest(function(func, args) {
      return baseDelay(func, 1, args);
    });

    /**
     * Invokes `func` after `wait` milliseconds. Any additional arguments are
     * provided to `func` when it's invoked.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Function
     * @param {Function} func The function to delay.
     * @param {number} wait The number of milliseconds to delay invocation.
     * @param {...*} [args] The arguments to invoke `func` with.
     * @returns {number} Returns the timer id.
     * @example
     *
     * _.delay(function(text) {
     *   console.log(text);
     * }, 1000, 'later');
     * // => Logs 'later' after one second.
     */
    var delay = baseRest(function(func, wait, args) {
      return baseDelay(func, toNumber(wait) || 0, args);
    });

    /**
     * Creates a function that invokes `func` with arguments reversed.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Function
     * @param {Function} func The function to flip arguments for.
     * @returns {Function} Returns the new flipped function.
     * @example
     *
     * var flipped = _.flip(function() {
     *   return _.toArray(arguments);
     * });
     *
     * flipped('a', 'b', 'c', 'd');
     * // => ['d', 'c', 'b', 'a']
     */
    function flip(func) {
      return createWrap(func, WRAP_FLIP_FLAG);
    }

    /**
     * Creates a function that memoizes the result of `func`. If `resolver` is
     * provided, it determines the cache key for storing the result based on the
     * arguments provided to the memoized function. By default, the first argument
     * provided to the memoized function is used as the map cache key. The `func`
     * is invoked with the `this` binding of the memoized function.
     *
     * **Note:** The cache is exposed as the `cache` property on the memoized
     * function. Its creation may be customized by replacing the `_.memoize.Cache`
     * constructor with one whose instances implement the
     * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)
     * method interface of `clear`, `delete`, `get`, `has`, and `set`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Function
     * @param {Function} func The function to have its output memoized.
     * @param {Function} [resolver] The function to resolve the cache key.
     * @returns {Function} Returns the new memoized function.
     * @example
     *
     * var object = { 'a': 1, 'b': 2 };
     * var other = { 'c': 3, 'd': 4 };
     *
     * var values = _.memoize(_.values);
     * values(object);
     * // => [1, 2]
     *
     * values(other);
     * // => [3, 4]
     *
     * object.a = 2;
     * values(object);
     * // => [1, 2]
     *
     * // Modify the result cache.
     * values.cache.set(object, ['a', 'b']);
     * values(object);
     * // => ['a', 'b']
     *
     * // Replace `_.memoize.Cache`.
     * _.memoize.Cache = WeakMap;
     */
    function memoize(func, resolver) {
      if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      var memoized = function() {
        var args = arguments,
            key = resolver ? resolver.apply(this, args) : args[0],
            cache = memoized.cache;

        if (cache.has(key)) {
          return cache.get(key);
        }
        var result = func.apply(this, args);
        memoized.cache = cache.set(key, result) || cache;
        return result;
      };
      memoized.cache = new (memoize.Cache || MapCache);
      return memoized;
    }

    // Expose `MapCache`.
    memoize.Cache = MapCache;

    /**
     * Creates a function that negates the result of the predicate `func`. The
     * `func` predicate is invoked with the `this` binding and arguments of the
     * created function.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Function
     * @param {Function} predicate The predicate to negate.
     * @returns {Function} Returns the new negated function.
     * @example
     *
     * function isEven(n) {
     *   return n % 2 == 0;
     * }
     *
     * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));
     * // => [1, 3, 5]
     */
    function negate(predicate) {
      if (typeof predicate != 'function') {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      return function() {
        var args = arguments;
        switch (args.length) {
          case 0: return !predicate.call(this);
          case 1: return !predicate.call(this, args[0]);
          case 2: return !predicate.call(this, args[0], args[1]);
          case 3: return !predicate.call(this, args[0], args[1], args[2]);
        }
        return !predicate.apply(this, args);
      };
    }

    /**
     * Creates a function that is restricted to invoking `func` once. Repeat calls
     * to the function return the value of the first invocation. The `func` is
     * invoked with the `this` binding and arguments of the created function.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Function
     * @param {Function} func The function to restrict.
     * @returns {Function} Returns the new restricted function.
     * @example
     *
     * var initialize = _.once(createApplication);
     * initialize();
     * initialize();
     * // => `createApplication` is invoked once
     */
    function once(func) {
      return before(2, func);
    }

    /**
     * Creates a function that invokes `func` with its arguments transformed.
     *
     * @static
     * @since 4.0.0
     * @memberOf _
     * @category Function
     * @param {Function} func The function to wrap.
     * @param {...(Function|Function[])} [transforms=[_.identity]]
     *  The argument transforms.
     * @returns {Function} Returns the new function.
     * @example
     *
     * function doubled(n) {
     *   return n * 2;
     * }
     *
     * function square(n) {
     *   return n * n;
     * }
     *
     * var func = _.overArgs(function(x, y) {
     *   return [x, y];
     * }, [square, doubled]);
     *
     * func(9, 3);
     * // => [81, 6]
     *
     * func(10, 5);
     * // => [100, 10]
     */
    var overArgs = castRest(function(func, transforms) {
      transforms = (transforms.length == 1 && isArray(transforms[0]))
        ? arrayMap(transforms[0], baseUnary(getIteratee()))
        : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));

      var funcsLength = transforms.length;
      return baseRest(function(args) {
        var index = -1,
            length = nativeMin(args.length, funcsLength);

        while (++index < length) {
          args[index] = transforms[index].call(this, args[index]);
        }
        return apply(func, this, args);
      });
    });

    /**
     * Creates a function that invokes `func` with `partials` prepended to the
     * arguments it receives. This method is like `_.bind` except it does **not**
     * alter the `this` binding.
     *
     * The `_.partial.placeholder` value, which defaults to `_` in monolithic
     * builds, may be used as a placeholder for partially applied arguments.
     *
     * **Note:** This method doesn't set the "length" property of partially
     * applied functions.
     *
     * @static
     * @memberOf _
     * @since 0.2.0
     * @category Function
     * @param {Function} func The function to partially apply arguments to.
     * @param {...*} [partials] The arguments to be partially applied.
     * @returns {Function} Returns the new partially applied function.
     * @example
     *
     * function greet(greeting, name) {
     *   return greeting + ' ' + name;
     * }
     *
     * var sayHelloTo = _.partial(greet, 'hello');
     * sayHelloTo('fred');
     * // => 'hello fred'
     *
     * // Partially applied with placeholders.
     * var greetFred = _.partial(greet, _, 'fred');
     * greetFred('hi');
     * // => 'hi fred'
     */
    var partial = baseRest(function(func, partials) {
      var holders = replaceHolders(partials, getHolder(partial));
      return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);
    });

    /**
     * This method is like `_.partial` except that partially applied arguments
     * are appended to the arguments it receives.
     *
     * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic
     * builds, may be used as a placeholder for partially applied arguments.
     *
     * **Note:** This method doesn't set the "length" property of partially
     * applied functions.
     *
     * @static
     * @memberOf _
     * @since 1.0.0
     * @category Function
     * @param {Function} func The function to partially apply arguments to.
     * @param {...*} [partials] The arguments to be partially applied.
     * @returns {Function} Returns the new partially applied function.
     * @example
     *
     * function greet(greeting, name) {
     *   return greeting + ' ' + name;
     * }
     *
     * var greetFred = _.partialRight(greet, 'fred');
     * greetFred('hi');
     * // => 'hi fred'
     *
     * // Partially applied with placeholders.
     * var sayHelloTo = _.partialRight(greet, 'hello', _);
     * sayHelloTo('fred');
     * // => 'hello fred'
     */
    var partialRight = baseRest(function(func, partials) {
      var holders = replaceHolders(partials, getHolder(partialRight));
      return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);
    });

    /**
     * Creates a function that invokes `func` with arguments arranged according
     * to the specified `indexes` where the argument value at the first index is
     * provided as the first argument, the argument value at the second index is
     * provided as the second argument, and so on.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Function
     * @param {Function} func The function to rearrange arguments for.
     * @param {...(number|number[])} indexes The arranged argument indexes.
     * @returns {Function} Returns the new function.
     * @example
     *
     * var rearged = _.rearg(function(a, b, c) {
     *   return [a, b, c];
     * }, [2, 0, 1]);
     *
     * rearged('b', 'c', 'a')
     * // => ['a', 'b', 'c']
     */
    var rearg = flatRest(function(func, indexes) {
      return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);
    });

    /**
     * Creates a function that invokes `func` with the `this` binding of the
     * created function and arguments from `start` and beyond provided as
     * an array.
     *
     * **Note:** This method is based on the
     * [rest parameter](https://mdn.io/rest_parameters).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Function
     * @param {Function} func The function to apply a rest parameter to.
     * @param {number} [start=func.length-1] The start position of the rest parameter.
     * @returns {Function} Returns the new function.
     * @example
     *
     * var say = _.rest(function(what, names) {
     *   return what + ' ' + _.initial(names).join(', ') +
     *     (_.size(names) > 1 ? ', & ' : '') + _.last(names);
     * });
     *
     * say('hello', 'fred', 'barney', 'pebbles');
     * // => 'hello fred, barney, & pebbles'
     */
    function rest(func, start) {
      if (typeof func != 'function') {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      start = start === undefined ? start : toInteger(start);
      return baseRest(func, start);
    }

    /**
     * Creates a function that invokes `func` with the `this` binding of the
     * create function and an array of arguments much like
     * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).
     *
     * **Note:** This method is based on the
     * [spread operator](https://mdn.io/spread_operator).
     *
     * @static
     * @memberOf _
     * @since 3.2.0
     * @category Function
     * @param {Function} func The function to spread arguments over.
     * @param {number} [start=0] The start position of the spread.
     * @returns {Function} Returns the new function.
     * @example
     *
     * var say = _.spread(function(who, what) {
     *   return who + ' says ' + what;
     * });
     *
     * say(['fred', 'hello']);
     * // => 'fred says hello'
     *
     * var numbers = Promise.all([
     *   Promise.resolve(40),
     *   Promise.resolve(36)
     * ]);
     *
     * numbers.then(_.spread(function(x, y) {
     *   return x + y;
     * }));
     * // => a Promise of 76
     */
    function spread(func, start) {
      if (typeof func != 'function') {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      start = start == null ? 0 : nativeMax(toInteger(start), 0);
      return baseRest(function(args) {
        var array = args[start],
            otherArgs = castSlice(args, 0, start);

        if (array) {
          arrayPush(otherArgs, array);
        }
        return apply(func, this, otherArgs);
      });
    }

    /**
     * Creates a throttled function that only invokes `func` at most once per
     * every `wait` milliseconds. The throttled function comes with a `cancel`
     * method to cancel delayed `func` invocations and a `flush` method to
     * immediately invoke them. Provide `options` to indicate whether `func`
     * should be invoked on the leading and/or trailing edge of the `wait`
     * timeout. The `func` is invoked with the last arguments provided to the
     * throttled function. Subsequent calls to the throttled function return the
     * result of the last `func` invocation.
     *
     * **Note:** If `leading` and `trailing` options are `true`, `func` is
     * invoked on the trailing edge of the timeout only if the throttled function
     * is invoked more than once during the `wait` timeout.
     *
     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred
     * until to the next tick, similar to `setTimeout` with a timeout of `0`.
     *
     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)
     * for details over the differences between `_.throttle` and `_.debounce`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Function
     * @param {Function} func The function to throttle.
     * @param {number} [wait=0] The number of milliseconds to throttle invocations to.
     * @param {Object} [options={}] The options object.
     * @param {boolean} [options.leading=true]
     *  Specify invoking on the leading edge of the timeout.
     * @param {boolean} [options.trailing=true]
     *  Specify invoking on the trailing edge of the timeout.
     * @returns {Function} Returns the new throttled function.
     * @example
     *
     * // Avoid excessively updating the position while scrolling.
     * jQuery(window).on('scroll', _.throttle(updatePosition, 100));
     *
     * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.
     * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });
     * jQuery(element).on('click', throttled);
     *
     * // Cancel the trailing throttled invocation.
     * jQuery(window).on('popstate', throttled.cancel);
     */
    function throttle(func, wait, options) {
      var leading = true,
          trailing = true;

      if (typeof func != 'function') {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      if (isObject(options)) {
        leading = 'leading' in options ? !!options.leading : leading;
        trailing = 'trailing' in options ? !!options.trailing : trailing;
      }
      return debounce(func, wait, {
        'leading': leading,
        'maxWait': wait,
        'trailing': trailing
      });
    }

    /**
     * Creates a function that accepts up to one argument, ignoring any
     * additional arguments.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Function
     * @param {Function} func The function to cap arguments for.
     * @returns {Function} Returns the new capped function.
     * @example
     *
     * _.map(['6', '8', '10'], _.unary(parseInt));
     * // => [6, 8, 10]
     */
    function unary(func) {
      return ary(func, 1);
    }

    /**
     * Creates a function that provides `value` to `wrapper` as its first
     * argument. Any additional arguments provided to the function are appended
     * to those provided to the `wrapper`. The wrapper is invoked with the `this`
     * binding of the created function.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Function
     * @param {*} value The value to wrap.
     * @param {Function} [wrapper=identity] The wrapper function.
     * @returns {Function} Returns the new function.
     * @example
     *
     * var p = _.wrap(_.escape, function(func, text) {
     *   return '<p>' + func(text) + '</p>';
     * });
     *
     * p('fred, barney, & pebbles');
     * // => '<p>fred, barney, &amp; pebbles</p>'
     */
    function wrap(value, wrapper) {
      return partial(castFunction(wrapper), value);
    }

    /*------------------------------------------------------------------------*/

    /**
     * Casts `value` as an array if it's not one.
     *
     * @static
     * @memberOf _
     * @since 4.4.0
     * @category Lang
     * @param {*} value The value to inspect.
     * @returns {Array} Returns the cast array.
     * @example
     *
     * _.castArray(1);
     * // => [1]
     *
     * _.castArray({ 'a': 1 });
     * // => [{ 'a': 1 }]
     *
     * _.castArray('abc');
     * // => ['abc']
     *
     * _.castArray(null);
     * // => [null]
     *
     * _.castArray(undefined);
     * // => [undefined]
     *
     * _.castArray();
     * // => []
     *
     * var array = [1, 2, 3];
     * console.log(_.castArray(array) === array);
     * // => true
     */
    function castArray() {
      if (!arguments.length) {
        return [];
      }
      var value = arguments[0];
      return isArray(value) ? value : [value];
    }

    /**
     * Creates a shallow clone of `value`.
     *
     * **Note:** This method is loosely based on the
     * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)
     * and supports cloning arrays, array buffers, booleans, date objects, maps,
     * numbers, `Object` objects, regexes, sets, strings, symbols, and typed
     * arrays. The own enumerable properties of `arguments` objects are cloned
     * as plain objects. An empty object is returned for uncloneable values such
     * as error objects, functions, DOM nodes, and WeakMaps.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to clone.
     * @returns {*} Returns the cloned value.
     * @see _.cloneDeep
     * @example
     *
     * var objects = [{ 'a': 1 }, { 'b': 2 }];
     *
     * var shallow = _.clone(objects);
     * console.log(shallow[0] === objects[0]);
     * // => true
     */
    function clone(value) {
      return baseClone(value, CLONE_SYMBOLS_FLAG);
    }

    /**
     * This method is like `_.clone` except that it accepts `customizer` which
     * is invoked to produce the cloned value. If `customizer` returns `undefined`,
     * cloning is handled by the method instead. The `customizer` is invoked with
     * up to four arguments; (value [, index|key, object, stack]).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to clone.
     * @param {Function} [customizer] The function to customize cloning.
     * @returns {*} Returns the cloned value.
     * @see _.cloneDeepWith
     * @example
     *
     * function customizer(value) {
     *   if (_.isElement(value)) {
     *     return value.cloneNode(false);
     *   }
     * }
     *
     * var el = _.cloneWith(document.body, customizer);
     *
     * console.log(el === document.body);
     * // => false
     * console.log(el.nodeName);
     * // => 'BODY'
     * console.log(el.childNodes.length);
     * // => 0
     */
    function cloneWith(value, customizer) {
      customizer = typeof customizer == 'function' ? customizer : undefined;
      return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);
    }

    /**
     * This method is like `_.clone` except that it recursively clones `value`.
     *
     * @static
     * @memberOf _
     * @since 1.0.0
     * @category Lang
     * @param {*} value The value to recursively clone.
     * @returns {*} Returns the deep cloned value.
     * @see _.clone
     * @example
     *
     * var objects = [{ 'a': 1 }, { 'b': 2 }];
     *
     * var deep = _.cloneDeep(objects);
     * console.log(deep[0] === objects[0]);
     * // => false
     */
    function cloneDeep(value) {
      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);
    }

    /**
     * This method is like `_.cloneWith` except that it recursively clones `value`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to recursively clone.
     * @param {Function} [customizer] The function to customize cloning.
     * @returns {*} Returns the deep cloned value.
     * @see _.cloneWith
     * @example
     *
     * function customizer(value) {
     *   if (_.isElement(value)) {
     *     return value.cloneNode(true);
     *   }
     * }
     *
     * var el = _.cloneDeepWith(document.body, customizer);
     *
     * console.log(el === document.body);
     * // => false
     * console.log(el.nodeName);
     * // => 'BODY'
     * console.log(el.childNodes.length);
     * // => 20
     */
    function cloneDeepWith(value, customizer) {
      customizer = typeof customizer == 'function' ? customizer : undefined;
      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);
    }

    /**
     * Checks if `object` conforms to `source` by invoking the predicate
     * properties of `source` with the corresponding property values of `object`.
     *
     * **Note:** This method is equivalent to `_.conforms` when `source` is
     * partially applied.
     *
     * @static
     * @memberOf _
     * @since 4.14.0
     * @category Lang
     * @param {Object} object The object to inspect.
     * @param {Object} source The object of property predicates to conform to.
     * @returns {boolean} Returns `true` if `object` conforms, else `false`.
     * @example
     *
     * var object = { 'a': 1, 'b': 2 };
     *
     * _.conformsTo(object, { 'b': function(n) { return n > 1; } });
     * // => true
     *
     * _.conformsTo(object, { 'b': function(n) { return n > 2; } });
     * // => false
     */
    function conformsTo(object, source) {
      return source == null || baseConformsTo(object, source, keys(source));
    }

    /**
     * Performs a
     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * comparison between two values to determine if they are equivalent.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
     * @example
     *
     * var object = { 'a': 1 };
     * var other = { 'a': 1 };
     *
     * _.eq(object, object);
     * // => true
     *
     * _.eq(object, other);
     * // => false
     *
     * _.eq('a', 'a');
     * // => true
     *
     * _.eq('a', Object('a'));
     * // => false
     *
     * _.eq(NaN, NaN);
     * // => true
     */
    function eq(value, other) {
      return value === other || (value !== value && other !== other);
    }

    /**
     * Checks if `value` is greater than `other`.
     *
     * @static
     * @memberOf _
     * @since 3.9.0
     * @category Lang
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @returns {boolean} Returns `true` if `value` is greater than `other`,
     *  else `false`.
     * @see _.lt
     * @example
     *
     * _.gt(3, 1);
     * // => true
     *
     * _.gt(3, 3);
     * // => false
     *
     * _.gt(1, 3);
     * // => false
     */
    var gt = createRelationalOperation(baseGt);

    /**
     * Checks if `value` is greater than or equal to `other`.
     *
     * @static
     * @memberOf _
     * @since 3.9.0
     * @category Lang
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @returns {boolean} Returns `true` if `value` is greater than or equal to
     *  `other`, else `false`.
     * @see _.lte
     * @example
     *
     * _.gte(3, 1);
     * // => true
     *
     * _.gte(3, 3);
     * // => true
     *
     * _.gte(1, 3);
     * // => false
     */
    var gte = createRelationalOperation(function(value, other) {
      return value >= other;
    });

    /**
     * Checks if `value` is likely an `arguments` object.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is an `arguments` object,
     *  else `false`.
     * @example
     *
     * _.isArguments(function() { return arguments; }());
     * // => true
     *
     * _.isArguments([1, 2, 3]);
     * // => false
     */
    var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {
      return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&
        !propertyIsEnumerable.call(value, 'callee');
    };

    /**
     * Checks if `value` is classified as an `Array` object.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is an array, else `false`.
     * @example
     *
     * _.isArray([1, 2, 3]);
     * // => true
     *
     * _.isArray(document.body.children);
     * // => false
     *
     * _.isArray('abc');
     * // => false
     *
     * _.isArray(_.noop);
     * // => false
     */
    var isArray = Array.isArray;

    /**
     * Checks if `value` is classified as an `ArrayBuffer` object.
     *
     * @static
     * @memberOf _
     * @since 4.3.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.
     * @example
     *
     * _.isArrayBuffer(new ArrayBuffer(2));
     * // => true
     *
     * _.isArrayBuffer(new Array(2));
     * // => false
     */
    var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;

    /**
     * Checks if `value` is array-like. A value is considered array-like if it's
     * not a function and has a `value.length` that's an integer greater than or
     * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is array-like, else `false`.
     * @example
     *
     * _.isArrayLike([1, 2, 3]);
     * // => true
     *
     * _.isArrayLike(document.body.children);
     * // => true
     *
     * _.isArrayLike('abc');
     * // => true
     *
     * _.isArrayLike(_.noop);
     * // => false
     */
    function isArrayLike(value) {
      return value != null && isLength(value.length) && !isFunction(value);
    }

    /**
     * This method is like `_.isArrayLike` except that it also checks if `value`
     * is an object.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is an array-like object,
     *  else `false`.
     * @example
     *
     * _.isArrayLikeObject([1, 2, 3]);
     * // => true
     *
     * _.isArrayLikeObject(document.body.children);
     * // => true
     *
     * _.isArrayLikeObject('abc');
     * // => false
     *
     * _.isArrayLikeObject(_.noop);
     * // => false
     */
    function isArrayLikeObject(value) {
      return isObjectLike(value) && isArrayLike(value);
    }

    /**
     * Checks if `value` is classified as a boolean primitive or object.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.
     * @example
     *
     * _.isBoolean(false);
     * // => true
     *
     * _.isBoolean(null);
     * // => false
     */
    function isBoolean(value) {
      return value === true || value === false ||
        (isObjectLike(value) && baseGetTag(value) == boolTag);
    }

    /**
     * Checks if `value` is a buffer.
     *
     * @static
     * @memberOf _
     * @since 4.3.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.
     * @example
     *
     * _.isBuffer(new Buffer(2));
     * // => true
     *
     * _.isBuffer(new Uint8Array(2));
     * // => false
     */
    var isBuffer = nativeIsBuffer || stubFalse;

    /**
     * Checks if `value` is classified as a `Date` object.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.
     * @example
     *
     * _.isDate(new Date);
     * // => true
     *
     * _.isDate('Mon April 23 2012');
     * // => false
     */
    var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;

    /**
     * Checks if `value` is likely a DOM element.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.
     * @example
     *
     * _.isElement(document.body);
     * // => true
     *
     * _.isElement('<body>');
     * // => false
     */
    function isElement(value) {
      return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);
    }

    /**
     * Checks if `value` is an empty object, collection, map, or set.
     *
     * Objects are considered empty if they have no own enumerable string keyed
     * properties.
     *
     * Array-like values such as `arguments` objects, arrays, buffers, strings, or
     * jQuery-like collections are considered empty if they have a `length` of `0`.
     * Similarly, maps and sets are considered empty if they have a `size` of `0`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is empty, else `false`.
     * @example
     *
     * _.isEmpty(null);
     * // => true
     *
     * _.isEmpty(true);
     * // => true
     *
     * _.isEmpty(1);
     * // => true
     *
     * _.isEmpty([1, 2, 3]);
     * // => false
     *
     * _.isEmpty({ 'a': 1 });
     * // => false
     */
    function isEmpty(value) {
      if (value == null) {
        return true;
      }
      if (isArrayLike(value) &&
          (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||
            isBuffer(value) || isTypedArray(value) || isArguments(value))) {
        return !value.length;
      }
      var tag = getTag(value);
      if (tag == mapTag || tag == setTag) {
        return !value.size;
      }
      if (isPrototype(value)) {
        return !baseKeys(value).length;
      }
      for (var key in value) {
        if (hasOwnProperty.call(value, key)) {
          return false;
        }
      }
      return true;
    }

    /**
     * Performs a deep comparison between two values to determine if they are
     * equivalent.
     *
     * **Note:** This method supports comparing arrays, array buffers, booleans,
     * date objects, error objects, maps, numbers, `Object` objects, regexes,
     * sets, strings, symbols, and typed arrays. `Object` objects are compared
     * by their own, not inherited, enumerable properties. Functions and DOM
     * nodes are compared by strict equality, i.e. `===`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
     * @example
     *
     * var object = { 'a': 1 };
     * var other = { 'a': 1 };
     *
     * _.isEqual(object, other);
     * // => true
     *
     * object === other;
     * // => false
     */
    function isEqual(value, other) {
      return baseIsEqual(value, other);
    }

    /**
     * This method is like `_.isEqual` except that it accepts `customizer` which
     * is invoked to compare values. If `customizer` returns `undefined`, comparisons
     * are handled by the method instead. The `customizer` is invoked with up to
     * six arguments: (objValue, othValue [, index|key, object, other, stack]).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @param {Function} [customizer] The function to customize comparisons.
     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
     * @example
     *
     * function isGreeting(value) {
     *   return /^h(?:i|ello)$/.test(value);
     * }
     *
     * function customizer(objValue, othValue) {
     *   if (isGreeting(objValue) && isGreeting(othValue)) {
     *     return true;
     *   }
     * }
     *
     * var array = ['hello', 'goodbye'];
     * var other = ['hi', 'goodbye'];
     *
     * _.isEqualWith(array, other, customizer);
     * // => true
     */
    function isEqualWith(value, other, customizer) {
      customizer = typeof customizer == 'function' ? customizer : undefined;
      var result = customizer ? customizer(value, other) : undefined;
      return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;
    }

    /**
     * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,
     * `SyntaxError`, `TypeError`, or `URIError` object.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is an error object, else `false`.
     * @example
     *
     * _.isError(new Error);
     * // => true
     *
     * _.isError(Error);
     * // => false
     */
    function isError(value) {
      if (!isObjectLike(value)) {
        return false;
      }
      var tag = baseGetTag(value);
      return tag == errorTag || tag == domExcTag ||
        (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));
    }

    /**
     * Checks if `value` is a finite primitive number.
     *
     * **Note:** This method is based on
     * [`Number.isFinite`](https://mdn.io/Number/isFinite).
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.
     * @example
     *
     * _.isFinite(3);
     * // => true
     *
     * _.isFinite(Number.MIN_VALUE);
     * // => true
     *
     * _.isFinite(Infinity);
     * // => false
     *
     * _.isFinite('3');
     * // => false
     */
    function isFinite(value) {
      return typeof value == 'number' && nativeIsFinite(value);
    }

    /**
     * Checks if `value` is classified as a `Function` object.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a function, else `false`.
     * @example
     *
     * _.isFunction(_);
     * // => true
     *
     * _.isFunction(/abc/);
     * // => false
     */
    function isFunction(value) {
      if (!isObject(value)) {
        return false;
      }
      // The use of `Object#toString` avoids issues with the `typeof` operator
      // in Safari 9 which returns 'object' for typed arrays and other constructors.
      var tag = baseGetTag(value);
      return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;
    }

    /**
     * Checks if `value` is an integer.
     *
     * **Note:** This method is based on
     * [`Number.isInteger`](https://mdn.io/Number/isInteger).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is an integer, else `false`.
     * @example
     *
     * _.isInteger(3);
     * // => true
     *
     * _.isInteger(Number.MIN_VALUE);
     * // => false
     *
     * _.isInteger(Infinity);
     * // => false
     *
     * _.isInteger('3');
     * // => false
     */
    function isInteger(value) {
      return typeof value == 'number' && value == toInteger(value);
    }

    /**
     * Checks if `value` is a valid array-like length.
     *
     * **Note:** This method is loosely based on
     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
     * @example
     *
     * _.isLength(3);
     * // => true
     *
     * _.isLength(Number.MIN_VALUE);
     * // => false
     *
     * _.isLength(Infinity);
     * // => false
     *
     * _.isLength('3');
     * // => false
     */
    function isLength(value) {
      return typeof value == 'number' &&
        value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
    }

    /**
     * Checks if `value` is the
     * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
     * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is an object, else `false`.
     * @example
     *
     * _.isObject({});
     * // => true
     *
     * _.isObject([1, 2, 3]);
     * // => true
     *
     * _.isObject(_.noop);
     * // => true
     *
     * _.isObject(null);
     * // => false
     */
    function isObject(value) {
      var type = typeof value;
      return value != null && (type == 'object' || type == 'function');
    }

    /**
     * Checks if `value` is object-like. A value is object-like if it's not `null`
     * and has a `typeof` result of "object".
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
     * @example
     *
     * _.isObjectLike({});
     * // => true
     *
     * _.isObjectLike([1, 2, 3]);
     * // => true
     *
     * _.isObjectLike(_.noop);
     * // => false
     *
     * _.isObjectLike(null);
     * // => false
     */
    function isObjectLike(value) {
      return value != null && typeof value == 'object';
    }

    /**
     * Checks if `value` is classified as a `Map` object.
     *
     * @static
     * @memberOf _
     * @since 4.3.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a map, else `false`.
     * @example
     *
     * _.isMap(new Map);
     * // => true
     *
     * _.isMap(new WeakMap);
     * // => false
     */
    var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;

    /**
     * Performs a partial deep comparison between `object` and `source` to
     * determine if `object` contains equivalent property values.
     *
     * **Note:** This method is equivalent to `_.matches` when `source` is
     * partially applied.
     *
     * Partial comparisons will match empty array and empty object `source`
     * values against any array or object value, respectively. See `_.isEqual`
     * for a list of supported value comparisons.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Lang
     * @param {Object} object The object to inspect.
     * @param {Object} source The object of property values to match.
     * @returns {boolean} Returns `true` if `object` is a match, else `false`.
     * @example
     *
     * var object = { 'a': 1, 'b': 2 };
     *
     * _.isMatch(object, { 'b': 2 });
     * // => true
     *
     * _.isMatch(object, { 'b': 1 });
     * // => false
     */
    function isMatch(object, source) {
      return object === source || baseIsMatch(object, source, getMatchData(source));
    }

    /**
     * This method is like `_.isMatch` except that it accepts `customizer` which
     * is invoked to compare values. If `customizer` returns `undefined`, comparisons
     * are handled by the method instead. The `customizer` is invoked with five
     * arguments: (objValue, srcValue, index|key, object, source).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {Object} object The object to inspect.
     * @param {Object} source The object of property values to match.
     * @param {Function} [customizer] The function to customize comparisons.
     * @returns {boolean} Returns `true` if `object` is a match, else `false`.
     * @example
     *
     * function isGreeting(value) {
     *   return /^h(?:i|ello)$/.test(value);
     * }
     *
     * function customizer(objValue, srcValue) {
     *   if (isGreeting(objValue) && isGreeting(srcValue)) {
     *     return true;
     *   }
     * }
     *
     * var object = { 'greeting': 'hello' };
     * var source = { 'greeting': 'hi' };
     *
     * _.isMatchWith(object, source, customizer);
     * // => true
     */
    function isMatchWith(object, source, customizer) {
      customizer = typeof customizer == 'function' ? customizer : undefined;
      return baseIsMatch(object, source, getMatchData(source), customizer);
    }

    /**
     * Checks if `value` is `NaN`.
     *
     * **Note:** This method is based on
     * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as
     * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for
     * `undefined` and other non-number values.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.
     * @example
     *
     * _.isNaN(NaN);
     * // => true
     *
     * _.isNaN(new Number(NaN));
     * // => true
     *
     * isNaN(undefined);
     * // => true
     *
     * _.isNaN(undefined);
     * // => false
     */
    function isNaN(value) {
      // An `NaN` primitive is the only value that is not equal to itself.
      // Perform the `toStringTag` check first to avoid errors with some
      // ActiveX objects in IE.
      return isNumber(value) && value != +value;
    }

    /**
     * Checks if `value` is a pristine native function.
     *
     * **Note:** This method can't reliably detect native functions in the presence
     * of the core-js package because core-js circumvents this kind of detection.
     * Despite multiple requests, the core-js maintainer has made it clear: any
     * attempt to fix the detection will be obstructed. As a result, we're left
     * with little choice but to throw an error. Unfortunately, this also affects
     * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),
     * which rely on core-js.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a native function,
     *  else `false`.
     * @example
     *
     * _.isNative(Array.prototype.push);
     * // => true
     *
     * _.isNative(_);
     * // => false
     */
    function isNative(value) {
      if (isMaskable(value)) {
        throw new Error(CORE_ERROR_TEXT);
      }
      return baseIsNative(value);
    }

    /**
     * Checks if `value` is `null`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is `null`, else `false`.
     * @example
     *
     * _.isNull(null);
     * // => true
     *
     * _.isNull(void 0);
     * // => false
     */
    function isNull(value) {
      return value === null;
    }

    /**
     * Checks if `value` is `null` or `undefined`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is nullish, else `false`.
     * @example
     *
     * _.isNil(null);
     * // => true
     *
     * _.isNil(void 0);
     * // => true
     *
     * _.isNil(NaN);
     * // => false
     */
    function isNil(value) {
      return value == null;
    }

    /**
     * Checks if `value` is classified as a `Number` primitive or object.
     *
     * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are
     * classified as numbers, use the `_.isFinite` method.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a number, else `false`.
     * @example
     *
     * _.isNumber(3);
     * // => true
     *
     * _.isNumber(Number.MIN_VALUE);
     * // => true
     *
     * _.isNumber(Infinity);
     * // => true
     *
     * _.isNumber('3');
     * // => false
     */
    function isNumber(value) {
      return typeof value == 'number' ||
        (isObjectLike(value) && baseGetTag(value) == numberTag);
    }

    /**
     * Checks if `value` is a plain object, that is, an object created by the
     * `Object` constructor or one with a `[[Prototype]]` of `null`.
     *
     * @static
     * @memberOf _
     * @since 0.8.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     * }
     *
     * _.isPlainObject(new Foo);
     * // => false
     *
     * _.isPlainObject([1, 2, 3]);
     * // => false
     *
     * _.isPlainObject({ 'x': 0, 'y': 0 });
     * // => true
     *
     * _.isPlainObject(Object.create(null));
     * // => true
     */
    function isPlainObject(value) {
      if (!isObjectLike(value) || baseGetTag(value) != objectTag) {
        return false;
      }
      var proto = getPrototype(value);
      if (proto === null) {
        return true;
      }
      var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;
      return typeof Ctor == 'function' && Ctor instanceof Ctor &&
        funcToString.call(Ctor) == objectCtorString;
    }

    /**
     * Checks if `value` is classified as a `RegExp` object.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.
     * @example
     *
     * _.isRegExp(/abc/);
     * // => true
     *
     * _.isRegExp('/abc/');
     * // => false
     */
    var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;

    /**
     * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754
     * double precision number which isn't the result of a rounded unsafe integer.
     *
     * **Note:** This method is based on
     * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.
     * @example
     *
     * _.isSafeInteger(3);
     * // => true
     *
     * _.isSafeInteger(Number.MIN_VALUE);
     * // => false
     *
     * _.isSafeInteger(Infinity);
     * // => false
     *
     * _.isSafeInteger('3');
     * // => false
     */
    function isSafeInteger(value) {
      return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;
    }

    /**
     * Checks if `value` is classified as a `Set` object.
     *
     * @static
     * @memberOf _
     * @since 4.3.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a set, else `false`.
     * @example
     *
     * _.isSet(new Set);
     * // => true
     *
     * _.isSet(new WeakSet);
     * // => false
     */
    var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;

    /**
     * Checks if `value` is classified as a `String` primitive or object.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a string, else `false`.
     * @example
     *
     * _.isString('abc');
     * // => true
     *
     * _.isString(1);
     * // => false
     */
    function isString(value) {
      return typeof value == 'string' ||
        (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);
    }

    /**
     * Checks if `value` is classified as a `Symbol` primitive or object.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.
     * @example
     *
     * _.isSymbol(Symbol.iterator);
     * // => true
     *
     * _.isSymbol('abc');
     * // => false
     */
    function isSymbol(value) {
      return typeof value == 'symbol' ||
        (isObjectLike(value) && baseGetTag(value) == symbolTag);
    }

    /**
     * Checks if `value` is classified as a typed array.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
     * @example
     *
     * _.isTypedArray(new Uint8Array);
     * // => true
     *
     * _.isTypedArray([]);
     * // => false
     */
    var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;

    /**
     * Checks if `value` is `undefined`.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.
     * @example
     *
     * _.isUndefined(void 0);
     * // => true
     *
     * _.isUndefined(null);
     * // => false
     */
    function isUndefined(value) {
      return value === undefined;
    }

    /**
     * Checks if `value` is classified as a `WeakMap` object.
     *
     * @static
     * @memberOf _
     * @since 4.3.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.
     * @example
     *
     * _.isWeakMap(new WeakMap);
     * // => true
     *
     * _.isWeakMap(new Map);
     * // => false
     */
    function isWeakMap(value) {
      return isObjectLike(value) && getTag(value) == weakMapTag;
    }

    /**
     * Checks if `value` is classified as a `WeakSet` object.
     *
     * @static
     * @memberOf _
     * @since 4.3.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.
     * @example
     *
     * _.isWeakSet(new WeakSet);
     * // => true
     *
     * _.isWeakSet(new Set);
     * // => false
     */
    function isWeakSet(value) {
      return isObjectLike(value) && baseGetTag(value) == weakSetTag;
    }

    /**
     * Checks if `value` is less than `other`.
     *
     * @static
     * @memberOf _
     * @since 3.9.0
     * @category Lang
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @returns {boolean} Returns `true` if `value` is less than `other`,
     *  else `false`.
     * @see _.gt
     * @example
     *
     * _.lt(1, 3);
     * // => true
     *
     * _.lt(3, 3);
     * // => false
     *
     * _.lt(3, 1);
     * // => false
     */
    var lt = createRelationalOperation(baseLt);

    /**
     * Checks if `value` is less than or equal to `other`.
     *
     * @static
     * @memberOf _
     * @since 3.9.0
     * @category Lang
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @returns {boolean} Returns `true` if `value` is less than or equal to
     *  `other`, else `false`.
     * @see _.gte
     * @example
     *
     * _.lte(1, 3);
     * // => true
     *
     * _.lte(3, 3);
     * // => true
     *
     * _.lte(3, 1);
     * // => false
     */
    var lte = createRelationalOperation(function(value, other) {
      return value <= other;
    });

    /**
     * Converts `value` to an array.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Lang
     * @param {*} value The value to convert.
     * @returns {Array} Returns the converted array.
     * @example
     *
     * _.toArray({ 'a': 1, 'b': 2 });
     * // => [1, 2]
     *
     * _.toArray('abc');
     * // => ['a', 'b', 'c']
     *
     * _.toArray(1);
     * // => []
     *
     * _.toArray(null);
     * // => []
     */
    function toArray(value) {
      if (!value) {
        return [];
      }
      if (isArrayLike(value)) {
        return isString(value) ? stringToArray(value) : copyArray(value);
      }
      if (symIterator && value[symIterator]) {
        return iteratorToArray(value[symIterator]());
      }
      var tag = getTag(value),
          func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);

      return func(value);
    }

    /**
     * Converts `value` to a finite number.
     *
     * @static
     * @memberOf _
     * @since 4.12.0
     * @category Lang
     * @param {*} value The value to convert.
     * @returns {number} Returns the converted number.
     * @example
     *
     * _.toFinite(3.2);
     * // => 3.2
     *
     * _.toFinite(Number.MIN_VALUE);
     * // => 5e-324
     *
     * _.toFinite(Infinity);
     * // => 1.7976931348623157e+308
     *
     * _.toFinite('3.2');
     * // => 3.2
     */
    function toFinite(value) {
      if (!value) {
        return value === 0 ? value : 0;
      }
      value = toNumber(value);
      if (value === INFINITY || value === -INFINITY) {
        var sign = (value < 0 ? -1 : 1);
        return sign * MAX_INTEGER;
      }
      return value === value ? value : 0;
    }

    /**
     * Converts `value` to an integer.
     *
     * **Note:** This method is loosely based on
     * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to convert.
     * @returns {number} Returns the converted integer.
     * @example
     *
     * _.toInteger(3.2);
     * // => 3
     *
     * _.toInteger(Number.MIN_VALUE);
     * // => 0
     *
     * _.toInteger(Infinity);
     * // => 1.7976931348623157e+308
     *
     * _.toInteger('3.2');
     * // => 3
     */
    function toInteger(value) {
      var result = toFinite(value),
          remainder = result % 1;

      return result === result ? (remainder ? result - remainder : result) : 0;
    }

    /**
     * Converts `value` to an integer suitable for use as the length of an
     * array-like object.
     *
     * **Note:** This method is based on
     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to convert.
     * @returns {number} Returns the converted integer.
     * @example
     *
     * _.toLength(3.2);
     * // => 3
     *
     * _.toLength(Number.MIN_VALUE);
     * // => 0
     *
     * _.toLength(Infinity);
     * // => 4294967295
     *
     * _.toLength('3.2');
     * // => 3
     */
    function toLength(value) {
      return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;
    }

    /**
     * Converts `value` to a number.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to process.
     * @returns {number} Returns the number.
     * @example
     *
     * _.toNumber(3.2);
     * // => 3.2
     *
     * _.toNumber(Number.MIN_VALUE);
     * // => 5e-324
     *
     * _.toNumber(Infinity);
     * // => Infinity
     *
     * _.toNumber('3.2');
     * // => 3.2
     */
    function toNumber(value) {
      if (typeof value == 'number') {
        return value;
      }
      if (isSymbol(value)) {
        return NAN;
      }
      if (isObject(value)) {
        var other = typeof value.valueOf == 'function' ? value.valueOf() : value;
        value = isObject(other) ? (other + '') : other;
      }
      if (typeof value != 'string') {
        return value === 0 ? value : +value;
      }
      value = value.replace(reTrim, '');
      var isBinary = reIsBinary.test(value);
      return (isBinary || reIsOctal.test(value))
        ? freeParseInt(value.slice(2), isBinary ? 2 : 8)
        : (reIsBadHex.test(value) ? NAN : +value);
    }

    /**
     * Converts `value` to a plain object flattening inherited enumerable string
     * keyed properties of `value` to own properties of the plain object.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Lang
     * @param {*} value The value to convert.
     * @returns {Object} Returns the converted plain object.
     * @example
     *
     * function Foo() {
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.assign({ 'a': 1 }, new Foo);
     * // => { 'a': 1, 'b': 2 }
     *
     * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));
     * // => { 'a': 1, 'b': 2, 'c': 3 }
     */
    function toPlainObject(value) {
      return copyObject(value, keysIn(value));
    }

    /**
     * Converts `value` to a safe integer. A safe integer can be compared and
     * represented correctly.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to convert.
     * @returns {number} Returns the converted integer.
     * @example
     *
     * _.toSafeInteger(3.2);
     * // => 3
     *
     * _.toSafeInteger(Number.MIN_VALUE);
     * // => 0
     *
     * _.toSafeInteger(Infinity);
     * // => 9007199254740991
     *
     * _.toSafeInteger('3.2');
     * // => 3
     */
    function toSafeInteger(value) {
      return value
        ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)
        : (value === 0 ? value : 0);
    }

    /**
     * Converts `value` to a string. An empty string is returned for `null`
     * and `undefined` values. The sign of `-0` is preserved.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to convert.
     * @returns {string} Returns the converted string.
     * @example
     *
     * _.toString(null);
     * // => ''
     *
     * _.toString(-0);
     * // => '-0'
     *
     * _.toString([1, 2, 3]);
     * // => '1,2,3'
     */
    function toString(value) {
      return value == null ? '' : baseToString(value);
    }

    /*------------------------------------------------------------------------*/

    /**
     * Assigns own enumerable string keyed properties of source objects to the
     * destination object. Source objects are applied from left to right.
     * Subsequent sources overwrite property assignments of previous sources.
     *
     * **Note:** This method mutates `object` and is loosely based on
     * [`Object.assign`](https://mdn.io/Object/assign).
     *
     * @static
     * @memberOf _
     * @since 0.10.0
     * @category Object
     * @param {Object} object The destination object.
     * @param {...Object} [sources] The source objects.
     * @returns {Object} Returns `object`.
     * @see _.assignIn
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     * }
     *
     * function Bar() {
     *   this.c = 3;
     * }
     *
     * Foo.prototype.b = 2;
     * Bar.prototype.d = 4;
     *
     * _.assign({ 'a': 0 }, new Foo, new Bar);
     * // => { 'a': 1, 'c': 3 }
     */
    var assign = createAssigner(function(object, source) {
      if (isPrototype(source) || isArrayLike(source)) {
        copyObject(source, keys(source), object);
        return;
      }
      for (var key in source) {
        if (hasOwnProperty.call(source, key)) {
          assignValue(object, key, source[key]);
        }
      }
    });

    /**
     * This method is like `_.assign` except that it iterates over own and
     * inherited source properties.
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @alias extend
     * @category Object
     * @param {Object} object The destination object.
     * @param {...Object} [sources] The source objects.
     * @returns {Object} Returns `object`.
     * @see _.assign
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     * }
     *
     * function Bar() {
     *   this.c = 3;
     * }
     *
     * Foo.prototype.b = 2;
     * Bar.prototype.d = 4;
     *
     * _.assignIn({ 'a': 0 }, new Foo, new Bar);
     * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }
     */
    var assignIn = createAssigner(function(object, source) {
      copyObject(source, keysIn(source), object);
    });

    /**
     * This method is like `_.assignIn` except that it accepts `customizer`
     * which is invoked to produce the assigned values. If `customizer` returns
     * `undefined`, assignment is handled by the method instead. The `customizer`
     * is invoked with five arguments: (objValue, srcValue, key, object, source).
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @alias extendWith
     * @category Object
     * @param {Object} object The destination object.
     * @param {...Object} sources The source objects.
     * @param {Function} [customizer] The function to customize assigned values.
     * @returns {Object} Returns `object`.
     * @see _.assignWith
     * @example
     *
     * function customizer(objValue, srcValue) {
     *   return _.isUndefined(objValue) ? srcValue : objValue;
     * }
     *
     * var defaults = _.partialRight(_.assignInWith, customizer);
     *
     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
     * // => { 'a': 1, 'b': 2 }
     */
    var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {
      copyObject(source, keysIn(source), object, customizer);
    });

    /**
     * This method is like `_.assign` except that it accepts `customizer`
     * which is invoked to produce the assigned values. If `customizer` returns
     * `undefined`, assignment is handled by the method instead. The `customizer`
     * is invoked with five arguments: (objValue, srcValue, key, object, source).
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Object
     * @param {Object} object The destination object.
     * @param {...Object} sources The source objects.
     * @param {Function} [customizer] The function to customize assigned values.
     * @returns {Object} Returns `object`.
     * @see _.assignInWith
     * @example
     *
     * function customizer(objValue, srcValue) {
     *   return _.isUndefined(objValue) ? srcValue : objValue;
     * }
     *
     * var defaults = _.partialRight(_.assignWith, customizer);
     *
     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
     * // => { 'a': 1, 'b': 2 }
     */
    var assignWith = createAssigner(function(object, source, srcIndex, customizer) {
      copyObject(source, keys(source), object, customizer);
    });

    /**
     * Creates an array of values corresponding to `paths` of `object`.
     *
     * @static
     * @memberOf _
     * @since 1.0.0
     * @category Object
     * @param {Object} object The object to iterate over.
     * @param {...(string|string[])} [paths] The property paths to pick.
     * @returns {Array} Returns the picked values.
     * @example
     *
     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };
     *
     * _.at(object, ['a[0].b.c', 'a[1]']);
     * // => [3, 4]
     */
    var at = flatRest(baseAt);

    /**
     * Creates an object that inherits from the `prototype` object. If a
     * `properties` object is given, its own enumerable string keyed properties
     * are assigned to the created object.
     *
     * @static
     * @memberOf _
     * @since 2.3.0
     * @category Object
     * @param {Object} prototype The object to inherit from.
     * @param {Object} [properties] The properties to assign to the object.
     * @returns {Object} Returns the new object.
     * @example
     *
     * function Shape() {
     *   this.x = 0;
     *   this.y = 0;
     * }
     *
     * function Circle() {
     *   Shape.call(this);
     * }
     *
     * Circle.prototype = _.create(Shape.prototype, {
     *   'constructor': Circle
     * });
     *
     * var circle = new Circle;
     * circle instanceof Circle;
     * // => true
     *
     * circle instanceof Shape;
     * // => true
     */
    function create(prototype, properties) {
      var result = baseCreate(prototype);
      return properties == null ? result : baseAssign(result, properties);
    }

    /**
     * Assigns own and inherited enumerable string keyed properties of source
     * objects to the destination object for all destination properties that
     * resolve to `undefined`. Source objects are applied from left to right.
     * Once a property is set, additional values of the same property are ignored.
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Object
     * @param {Object} object The destination object.
     * @param {...Object} [sources] The source objects.
     * @returns {Object} Returns `object`.
     * @see _.defaultsDeep
     * @example
     *
     * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
     * // => { 'a': 1, 'b': 2 }
     */
    var defaults = baseRest(function(object, sources) {
      object = Object(object);

      var index = -1;
      var length = sources.length;
      var guard = length > 2 ? sources[2] : undefined;

      if (guard && isIterateeCall(sources[0], sources[1], guard)) {
        length = 1;
      }

      while (++index < length) {
        var source = sources[index];
        var props = keysIn(source);
        var propsIndex = -1;
        var propsLength = props.length;

        while (++propsIndex < propsLength) {
          var key = props[propsIndex];
          var value = object[key];

          if (value === undefined ||
              (eq(value, objectProto[key]) && !hasOwnProperty.call(object, key))) {
            object[key] = source[key];
          }
        }
      }

      return object;
    });

    /**
     * This method is like `_.defaults` except that it recursively assigns
     * default properties.
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 3.10.0
     * @category Object
     * @param {Object} object The destination object.
     * @param {...Object} [sources] The source objects.
     * @returns {Object} Returns `object`.
     * @see _.defaults
     * @example
     *
     * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });
     * // => { 'a': { 'b': 2, 'c': 3 } }
     */
    var defaultsDeep = baseRest(function(args) {
      args.push(undefined, customDefaultsMerge);
      return apply(mergeWith, undefined, args);
    });

    /**
     * This method is like `_.find` except that it returns the key of the first
     * element `predicate` returns truthy for instead of the element itself.
     *
     * @static
     * @memberOf _
     * @since 1.1.0
     * @category Object
     * @param {Object} object The object to inspect.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @returns {string|undefined} Returns the key of the matched element,
     *  else `undefined`.
     * @example
     *
     * var users = {
     *   'barney':  { 'age': 36, 'active': true },
     *   'fred':    { 'age': 40, 'active': false },
     *   'pebbles': { 'age': 1,  'active': true }
     * };
     *
     * _.findKey(users, function(o) { return o.age < 40; });
     * // => 'barney' (iteration order is not guaranteed)
     *
     * // The `_.matches` iteratee shorthand.
     * _.findKey(users, { 'age': 1, 'active': true });
     * // => 'pebbles'
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.findKey(users, ['active', false]);
     * // => 'fred'
     *
     * // The `_.property` iteratee shorthand.
     * _.findKey(users, 'active');
     * // => 'barney'
     */
    function findKey(object, predicate) {
      return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);
    }

    /**
     * This method is like `_.findKey` except that it iterates over elements of
     * a collection in the opposite order.
     *
     * @static
     * @memberOf _
     * @since 2.0.0
     * @category Object
     * @param {Object} object The object to inspect.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @returns {string|undefined} Returns the key of the matched element,
     *  else `undefined`.
     * @example
     *
     * var users = {
     *   'barney':  { 'age': 36, 'active': true },
     *   'fred':    { 'age': 40, 'active': false },
     *   'pebbles': { 'age': 1,  'active': true }
     * };
     *
     * _.findLastKey(users, function(o) { return o.age < 40; });
     * // => returns 'pebbles' assuming `_.findKey` returns 'barney'
     *
     * // The `_.matches` iteratee shorthand.
     * _.findLastKey(users, { 'age': 36, 'active': true });
     * // => 'barney'
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.findLastKey(users, ['active', false]);
     * // => 'fred'
     *
     * // The `_.property` iteratee shorthand.
     * _.findLastKey(users, 'active');
     * // => 'pebbles'
     */
    function findLastKey(object, predicate) {
      return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);
    }

    /**
     * Iterates over own and inherited enumerable string keyed properties of an
     * object and invokes `iteratee` for each property. The iteratee is invoked
     * with three arguments: (value, key, object). Iteratee functions may exit
     * iteration early by explicitly returning `false`.
     *
     * @static
     * @memberOf _
     * @since 0.3.0
     * @category Object
     * @param {Object} object The object to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Object} Returns `object`.
     * @see _.forInRight
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.forIn(new Foo, function(value, key) {
     *   console.log(key);
     * });
     * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).
     */
    function forIn(object, iteratee) {
      return object == null
        ? object
        : baseFor(object, getIteratee(iteratee, 3), keysIn);
    }

    /**
     * This method is like `_.forIn` except that it iterates over properties of
     * `object` in the opposite order.
     *
     * @static
     * @memberOf _
     * @since 2.0.0
     * @category Object
     * @param {Object} object The object to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Object} Returns `object`.
     * @see _.forIn
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.forInRight(new Foo, function(value, key) {
     *   console.log(key);
     * });
     * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.
     */
    function forInRight(object, iteratee) {
      return object == null
        ? object
        : baseForRight(object, getIteratee(iteratee, 3), keysIn);
    }

    /**
     * Iterates over own enumerable string keyed properties of an object and
     * invokes `iteratee` for each property. The iteratee is invoked with three
     * arguments: (value, key, object). Iteratee functions may exit iteration
     * early by explicitly returning `false`.
     *
     * @static
     * @memberOf _
     * @since 0.3.0
     * @category Object
     * @param {Object} object The object to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Object} Returns `object`.
     * @see _.forOwnRight
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.forOwn(new Foo, function(value, key) {
     *   console.log(key);
     * });
     * // => Logs 'a' then 'b' (iteration order is not guaranteed).
     */
    function forOwn(object, iteratee) {
      return object && baseForOwn(object, getIteratee(iteratee, 3));
    }

    /**
     * This method is like `_.forOwn` except that it iterates over properties of
     * `object` in the opposite order.
     *
     * @static
     * @memberOf _
     * @since 2.0.0
     * @category Object
     * @param {Object} object The object to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Object} Returns `object`.
     * @see _.forOwn
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.forOwnRight(new Foo, function(value, key) {
     *   console.log(key);
     * });
     * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.
     */
    function forOwnRight(object, iteratee) {
      return object && baseForOwnRight(object, getIteratee(iteratee, 3));
    }

    /**
     * Creates an array of function property names from own enumerable properties
     * of `object`.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Object
     * @param {Object} object The object to inspect.
     * @returns {Array} Returns the function names.
     * @see _.functionsIn
     * @example
     *
     * function Foo() {
     *   this.a = _.constant('a');
     *   this.b = _.constant('b');
     * }
     *
     * Foo.prototype.c = _.constant('c');
     *
     * _.functions(new Foo);
     * // => ['a', 'b']
     */
    function functions(object) {
      return object == null ? [] : baseFunctions(object, keys(object));
    }

    /**
     * Creates an array of function property names from own and inherited
     * enumerable properties of `object`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Object
     * @param {Object} object The object to inspect.
     * @returns {Array} Returns the function names.
     * @see _.functions
     * @example
     *
     * function Foo() {
     *   this.a = _.constant('a');
     *   this.b = _.constant('b');
     * }
     *
     * Foo.prototype.c = _.constant('c');
     *
     * _.functionsIn(new Foo);
     * // => ['a', 'b', 'c']
     */
    function functionsIn(object) {
      return object == null ? [] : baseFunctions(object, keysIn(object));
    }

    /**
     * Gets the value at `path` of `object`. If the resolved value is
     * `undefined`, the `defaultValue` is returned in its place.
     *
     * @static
     * @memberOf _
     * @since 3.7.0
     * @category Object
     * @param {Object} object The object to query.
     * @param {Array|string} path The path of the property to get.
     * @param {*} [defaultValue] The value returned for `undefined` resolved values.
     * @returns {*} Returns the resolved value.
     * @example
     *
     * var object = { 'a': [{ 'b': { 'c': 3 } }] };
     *
     * _.get(object, 'a[0].b.c');
     * // => 3
     *
     * _.get(object, ['a', '0', 'b', 'c']);
     * // => 3
     *
     * _.get(object, 'a.b.c', 'default');
     * // => 'default'
     */
    function get(object, path, defaultValue) {
      var result = object == null ? undefined : baseGet(object, path);
      return result === undefined ? defaultValue : result;
    }

    /**
     * Checks if `path` is a direct property of `object`.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Object
     * @param {Object} object The object to query.
     * @param {Array|string} path The path to check.
     * @returns {boolean} Returns `true` if `path` exists, else `false`.
     * @example
     *
     * var object = { 'a': { 'b': 2 } };
     * var other = _.create({ 'a': _.create({ 'b': 2 }) });
     *
     * _.has(object, 'a');
     * // => true
     *
     * _.has(object, 'a.b');
     * // => true
     *
     * _.has(object, ['a', 'b']);
     * // => true
     *
     * _.has(other, 'a');
     * // => false
     */
    function has(object, path) {
      return object != null && hasPath(object, path, baseHas);
    }

    /**
     * Checks if `path` is a direct or inherited property of `object`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Object
     * @param {Object} object The object to query.
     * @param {Array|string} path The path to check.
     * @returns {boolean} Returns `true` if `path` exists, else `false`.
     * @example
     *
     * var object = _.create({ 'a': _.create({ 'b': 2 }) });
     *
     * _.hasIn(object, 'a');
     * // => true
     *
     * _.hasIn(object, 'a.b');
     * // => true
     *
     * _.hasIn(object, ['a', 'b']);
     * // => true
     *
     * _.hasIn(object, 'b');
     * // => false
     */
    function hasIn(object, path) {
      return object != null && hasPath(object, path, baseHasIn);
    }

    /**
     * Creates an object composed of the inverted keys and values of `object`.
     * If `object` contains duplicate values, subsequent values overwrite
     * property assignments of previous values.
     *
     * @static
     * @memberOf _
     * @since 0.7.0
     * @category Object
     * @param {Object} object The object to invert.
     * @returns {Object} Returns the new inverted object.
     * @example
     *
     * var object = { 'a': 1, 'b': 2, 'c': 1 };
     *
     * _.invert(object);
     * // => { '1': 'c', '2': 'b' }
     */
    var invert = createInverter(function(result, value, key) {
      if (value != null &&
          typeof value.toString != 'function') {
        value = nativeObjectToString.call(value);
      }

      result[value] = key;
    }, constant(identity));

    /**
     * This method is like `_.invert` except that the inverted object is generated
     * from the results of running each element of `object` thru `iteratee`. The
     * corresponding inverted value of each inverted key is an array of keys
     * responsible for generating the inverted value. The iteratee is invoked
     * with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.1.0
     * @category Object
     * @param {Object} object The object to invert.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {Object} Returns the new inverted object.
     * @example
     *
     * var object = { 'a': 1, 'b': 2, 'c': 1 };
     *
     * _.invertBy(object);
     * // => { '1': ['a', 'c'], '2': ['b'] }
     *
     * _.invertBy(object, function(value) {
     *   return 'group' + value;
     * });
     * // => { 'group1': ['a', 'c'], 'group2': ['b'] }
     */
    var invertBy = createInverter(function(result, value, key) {
      if (value != null &&
          typeof value.toString != 'function') {
        value = nativeObjectToString.call(value);
      }

      if (hasOwnProperty.call(result, value)) {
        result[value].push(key);
      } else {
        result[value] = [key];
      }
    }, getIteratee);

    /**
     * Invokes the method at `path` of `object`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Object
     * @param {Object} object The object to query.
     * @param {Array|string} path The path of the method to invoke.
     * @param {...*} [args] The arguments to invoke the method with.
     * @returns {*} Returns the result of the invoked method.
     * @example
     *
     * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };
     *
     * _.invoke(object, 'a[0].b.c.slice', 1, 3);
     * // => [2, 3]
     */
    var invoke = baseRest(baseInvoke);

    /**
     * Creates an array of the own enumerable property names of `object`.
     *
     * **Note:** Non-object values are coerced to objects. See the
     * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
     * for more details.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Object
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property names.
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.keys(new Foo);
     * // => ['a', 'b'] (iteration order is not guaranteed)
     *
     * _.keys('hi');
     * // => ['0', '1']
     */
    function keys(object) {
      return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);
    }

    /**
     * Creates an array of the own and inherited enumerable property names of `object`.
     *
     * **Note:** Non-object values are coerced to objects.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Object
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property names.
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.keysIn(new Foo);
     * // => ['a', 'b', 'c'] (iteration order is not guaranteed)
     */
    function keysIn(object) {
      return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);
    }

    /**
     * The opposite of `_.mapValues`; this method creates an object with the
     * same values as `object` and keys generated by running each own enumerable
     * string keyed property of `object` thru `iteratee`. The iteratee is invoked
     * with three arguments: (value, key, object).
     *
     * @static
     * @memberOf _
     * @since 3.8.0
     * @category Object
     * @param {Object} object The object to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Object} Returns the new mapped object.
     * @see _.mapValues
     * @example
     *
     * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {
     *   return key + value;
     * });
     * // => { 'a1': 1, 'b2': 2 }
     */
    function mapKeys(object, iteratee) {
      var result = {};
      iteratee = getIteratee(iteratee, 3);

      baseForOwn(object, function(value, key, object) {
        baseAssignValue(result, iteratee(value, key, object), value);
      });
      return result;
    }

    /**
     * Creates an object with the same keys as `object` and values generated
     * by running each own enumerable string keyed property of `object` thru
     * `iteratee`. The iteratee is invoked with three arguments:
     * (value, key, object).
     *
     * @static
     * @memberOf _
     * @since 2.4.0
     * @category Object
     * @param {Object} object The object to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Object} Returns the new mapped object.
     * @see _.mapKeys
     * @example
     *
     * var users = {
     *   'fred':    { 'user': 'fred',    'age': 40 },
     *   'pebbles': { 'user': 'pebbles', 'age': 1 }
     * };
     *
     * _.mapValues(users, function(o) { return o.age; });
     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)
     *
     * // The `_.property` iteratee shorthand.
     * _.mapValues(users, 'age');
     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)
     */
    function mapValues(object, iteratee) {
      var result = {};
      iteratee = getIteratee(iteratee, 3);

      baseForOwn(object, function(value, key, object) {
        baseAssignValue(result, key, iteratee(value, key, object));
      });
      return result;
    }

    /**
     * This method is like `_.assign` except that it recursively merges own and
     * inherited enumerable string keyed properties of source objects into the
     * destination object. Source properties that resolve to `undefined` are
     * skipped if a destination value exists. Array and plain object properties
     * are merged recursively. Other objects and value types are overridden by
     * assignment. Source objects are applied from left to right. Subsequent
     * sources overwrite property assignments of previous sources.
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 0.5.0
     * @category Object
     * @param {Object} object The destination object.
     * @param {...Object} [sources] The source objects.
     * @returns {Object} Returns `object`.
     * @example
     *
     * var object = {
     *   'a': [{ 'b': 2 }, { 'd': 4 }]
     * };
     *
     * var other = {
     *   'a': [{ 'c': 3 }, { 'e': 5 }]
     * };
     *
     * _.merge(object, other);
     * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }
     */
    var merge = createAssigner(function(object, source, srcIndex) {
      baseMerge(object, source, srcIndex);
    });

    /**
     * This method is like `_.merge` except that it accepts `customizer` which
     * is invoked to produce the merged values of the destination and source
     * properties. If `customizer` returns `undefined`, merging is handled by the
     * method instead. The `customizer` is invoked with six arguments:
     * (objValue, srcValue, key, object, source, stack).
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Object
     * @param {Object} object The destination object.
     * @param {...Object} sources The source objects.
     * @param {Function} customizer The function to customize assigned values.
     * @returns {Object} Returns `object`.
     * @example
     *
     * function customizer(objValue, srcValue) {
     *   if (_.isArray(objValue)) {
     *     return objValue.concat(srcValue);
     *   }
     * }
     *
     * var object = { 'a': [1], 'b': [2] };
     * var other = { 'a': [3], 'b': [4] };
     *
     * _.mergeWith(object, other, customizer);
     * // => { 'a': [1, 3], 'b': [2, 4] }
     */
    var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {
      baseMerge(object, source, srcIndex, customizer);
    });

    /**
     * The opposite of `_.pick`; this method creates an object composed of the
     * own and inherited enumerable property paths of `object` that are not omitted.
     *
     * **Note:** This method is considerably slower than `_.pick`.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Object
     * @param {Object} object The source object.
     * @param {...(string|string[])} [paths] The property paths to omit.
     * @returns {Object} Returns the new object.
     * @example
     *
     * var object = { 'a': 1, 'b': '2', 'c': 3 };
     *
     * _.omit(object, ['a', 'c']);
     * // => { 'b': '2' }
     */
    var omit = flatRest(function(object, paths) {
      var result = {};
      if (object == null) {
        return result;
      }
      var isDeep = false;
      paths = arrayMap(paths, function(path) {
        path = castPath(path, object);
        isDeep || (isDeep = path.length > 1);
        return path;
      });
      copyObject(object, getAllKeysIn(object), result);
      if (isDeep) {
        result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);
      }
      var length = paths.length;
      while (length--) {
        baseUnset(result, paths[length]);
      }
      return result;
    });

    /**
     * The opposite of `_.pickBy`; this method creates an object composed of
     * the own and inherited enumerable string keyed properties of `object` that
     * `predicate` doesn't return truthy for. The predicate is invoked with two
     * arguments: (value, key).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Object
     * @param {Object} object The source object.
     * @param {Function} [predicate=_.identity] The function invoked per property.
     * @returns {Object} Returns the new object.
     * @example
     *
     * var object = { 'a': 1, 'b': '2', 'c': 3 };
     *
     * _.omitBy(object, _.isNumber);
     * // => { 'b': '2' }
     */
    function omitBy(object, predicate) {
      return pickBy(object, negate(getIteratee(predicate)));
    }

    /**
     * Creates an object composed of the picked `object` properties.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Object
     * @param {Object} object The source object.
     * @param {...(string|string[])} [paths] The property paths to pick.
     * @returns {Object} Returns the new object.
     * @example
     *
     * var object = { 'a': 1, 'b': '2', 'c': 3 };
     *
     * _.pick(object, ['a', 'c']);
     * // => { 'a': 1, 'c': 3 }
     */
    var pick = flatRest(function(object, paths) {
      return object == null ? {} : basePick(object, paths);
    });

    /**
     * Creates an object composed of the `object` properties `predicate` returns
     * truthy for. The predicate is invoked with two arguments: (value, key).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Object
     * @param {Object} object The source object.
     * @param {Function} [predicate=_.identity] The function invoked per property.
     * @returns {Object} Returns the new object.
     * @example
     *
     * var object = { 'a': 1, 'b': '2', 'c': 3 };
     *
     * _.pickBy(object, _.isNumber);
     * // => { 'a': 1, 'c': 3 }
     */
    function pickBy(object, predicate) {
      if (object == null) {
        return {};
      }
      var props = arrayMap(getAllKeysIn(object), function(prop) {
        return [prop];
      });
      predicate = getIteratee(predicate);
      return basePickBy(object, props, function(value, path) {
        return predicate(value, path[0]);
      });
    }

    /**
     * This method is like `_.get` except that if the resolved value is a
     * function it's invoked with the `this` binding of its parent object and
     * its result is returned.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Object
     * @param {Object} object The object to query.
     * @param {Array|string} path The path of the property to resolve.
     * @param {*} [defaultValue] The value returned for `undefined` resolved values.
     * @returns {*} Returns the resolved value.
     * @example
     *
     * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };
     *
     * _.result(object, 'a[0].b.c1');
     * // => 3
     *
     * _.result(object, 'a[0].b.c2');
     * // => 4
     *
     * _.result(object, 'a[0].b.c3', 'default');
     * // => 'default'
     *
     * _.result(object, 'a[0].b.c3', _.constant('default'));
     * // => 'default'
     */
    function result(object, path, defaultValue) {
      path = castPath(path, object);

      var index = -1,
          length = path.length;

      // Ensure the loop is entered when path is empty.
      if (!length) {
        length = 1;
        object = undefined;
      }
      while (++index < length) {
        var value = object == null ? undefined : object[toKey(path[index])];
        if (value === undefined) {
          index = length;
          value = defaultValue;
        }
        object = isFunction(value) ? value.call(object) : value;
      }
      return object;
    }

    /**
     * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,
     * it's created. Arrays are created for missing index properties while objects
     * are created for all other missing properties. Use `_.setWith` to customize
     * `path` creation.
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 3.7.0
     * @category Object
     * @param {Object} object The object to modify.
     * @param {Array|string} path The path of the property to set.
     * @param {*} value The value to set.
     * @returns {Object} Returns `object`.
     * @example
     *
     * var object = { 'a': [{ 'b': { 'c': 3 } }] };
     *
     * _.set(object, 'a[0].b.c', 4);
     * console.log(object.a[0].b.c);
     * // => 4
     *
     * _.set(object, ['x', '0', 'y', 'z'], 5);
     * console.log(object.x[0].y.z);
     * // => 5
     */
    function set(object, path, value) {
      return object == null ? object : baseSet(object, path, value);
    }

    /**
     * This method is like `_.set` except that it accepts `customizer` which is
     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`
     * path creation is handled by the method instead. The `customizer` is invoked
     * with three arguments: (nsValue, key, nsObject).
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Object
     * @param {Object} object The object to modify.
     * @param {Array|string} path The path of the property to set.
     * @param {*} value The value to set.
     * @param {Function} [customizer] The function to customize assigned values.
     * @returns {Object} Returns `object`.
     * @example
     *
     * var object = {};
     *
     * _.setWith(object, '[0][1]', 'a', Object);
     * // => { '0': { '1': 'a' } }
     */
    function setWith(object, path, value, customizer) {
      customizer = typeof customizer == 'function' ? customizer : undefined;
      return object == null ? object : baseSet(object, path, value, customizer);
    }

    /**
     * Creates an array of own enumerable string keyed-value pairs for `object`
     * which can be consumed by `_.fromPairs`. If `object` is a map or set, its
     * entries are returned.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @alias entries
     * @category Object
     * @param {Object} object The object to query.
     * @returns {Array} Returns the key-value pairs.
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.toPairs(new Foo);
     * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)
     */
    var toPairs = createToPairs(keys);

    /**
     * Creates an array of own and inherited enumerable string keyed-value pairs
     * for `object` which can be consumed by `_.fromPairs`. If `object` is a map
     * or set, its entries are returned.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @alias entriesIn
     * @category Object
     * @param {Object} object The object to query.
     * @returns {Array} Returns the key-value pairs.
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.toPairsIn(new Foo);
     * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)
     */
    var toPairsIn = createToPairs(keysIn);

    /**
     * An alternative to `_.reduce`; this method transforms `object` to a new
     * `accumulator` object which is the result of running each of its own
     * enumerable string keyed properties thru `iteratee`, with each invocation
     * potentially mutating the `accumulator` object. If `accumulator` is not
     * provided, a new object with the same `[[Prototype]]` will be used. The
     * iteratee is invoked with four arguments: (accumulator, value, key, object).
     * Iteratee functions may exit iteration early by explicitly returning `false`.
     *
     * @static
     * @memberOf _
     * @since 1.3.0
     * @category Object
     * @param {Object} object The object to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @param {*} [accumulator] The custom accumulator value.
     * @returns {*} Returns the accumulated value.
     * @example
     *
     * _.transform([2, 3, 4], function(result, n) {
     *   result.push(n *= n);
     *   return n % 2 == 0;
     * }, []);
     * // => [4, 9]
     *
     * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {
     *   (result[value] || (result[value] = [])).push(key);
     * }, {});
     * // => { '1': ['a', 'c'], '2': ['b'] }
     */
    function transform(object, iteratee, accumulator) {
      var isArr = isArray(object),
          isArrLike = isArr || isBuffer(object) || isTypedArray(object);

      iteratee = getIteratee(iteratee, 4);
      if (accumulator == null) {
        var Ctor = object && object.constructor;
        if (isArrLike) {
          accumulator = isArr ? new Ctor : [];
        }
        else if (isObject(object)) {
          accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};
        }
        else {
          accumulator = {};
        }
      }
      (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {
        return iteratee(accumulator, value, index, object);
      });
      return accumulator;
    }

    /**
     * Removes the property at `path` of `object`.
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Object
     * @param {Object} object The object to modify.
     * @param {Array|string} path The path of the property to unset.
     * @returns {boolean} Returns `true` if the property is deleted, else `false`.
     * @example
     *
     * var object = { 'a': [{ 'b': { 'c': 7 } }] };
     * _.unset(object, 'a[0].b.c');
     * // => true
     *
     * console.log(object);
     * // => { 'a': [{ 'b': {} }] };
     *
     * _.unset(object, ['a', '0', 'b', 'c']);
     * // => true
     *
     * console.log(object);
     * // => { 'a': [{ 'b': {} }] };
     */
    function unset(object, path) {
      return object == null ? true : baseUnset(object, path);
    }

    /**
     * This method is like `_.set` except that accepts `updater` to produce the
     * value to set. Use `_.updateWith` to customize `path` creation. The `updater`
     * is invoked with one argument: (value).
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 4.6.0
     * @category Object
     * @param {Object} object The object to modify.
     * @param {Array|string} path The path of the property to set.
     * @param {Function} updater The function to produce the updated value.
     * @returns {Object} Returns `object`.
     * @example
     *
     * var object = { 'a': [{ 'b': { 'c': 3 } }] };
     *
     * _.update(object, 'a[0].b.c', function(n) { return n * n; });
     * console.log(object.a[0].b.c);
     * // => 9
     *
     * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });
     * console.log(object.x[0].y.z);
     * // => 0
     */
    function update(object, path, updater) {
      return object == null ? object : baseUpdate(object, path, castFunction(updater));
    }

    /**
     * This method is like `_.update` except that it accepts `customizer` which is
     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`
     * path creation is handled by the method instead. The `customizer` is invoked
     * with three arguments: (nsValue, key, nsObject).
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 4.6.0
     * @category Object
     * @param {Object} object The object to modify.
     * @param {Array|string} path The path of the property to set.
     * @param {Function} updater The function to produce the updated value.
     * @param {Function} [customizer] The function to customize assigned values.
     * @returns {Object} Returns `object`.
     * @example
     *
     * var object = {};
     *
     * _.updateWith(object, '[0][1]', _.constant('a'), Object);
     * // => { '0': { '1': 'a' } }
     */
    function updateWith(object, path, updater, customizer) {
      customizer = typeof customizer == 'function' ? customizer : undefined;
      return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);
    }

    /**
     * Creates an array of the own enumerable string keyed property values of `object`.
     *
     * **Note:** Non-object values are coerced to objects.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Object
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property values.
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.values(new Foo);
     * // => [1, 2] (iteration order is not guaranteed)
     *
     * _.values('hi');
     * // => ['h', 'i']
     */
    function values(object) {
      return object == null ? [] : baseValues(object, keys(object));
    }

    /**
     * Creates an array of the own and inherited enumerable string keyed property
     * values of `object`.
     *
     * **Note:** Non-object values are coerced to objects.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Object
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property values.
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.valuesIn(new Foo);
     * // => [1, 2, 3] (iteration order is not guaranteed)
     */
    function valuesIn(object) {
      return object == null ? [] : baseValues(object, keysIn(object));
    }

    /*------------------------------------------------------------------------*/

    /**
     * Clamps `number` within the inclusive `lower` and `upper` bounds.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Number
     * @param {number} number The number to clamp.
     * @param {number} [lower] The lower bound.
     * @param {number} upper The upper bound.
     * @returns {number} Returns the clamped number.
     * @example
     *
     * _.clamp(-10, -5, 5);
     * // => -5
     *
     * _.clamp(10, -5, 5);
     * // => 5
     */
    function clamp(number, lower, upper) {
      if (upper === undefined) {
        upper = lower;
        lower = undefined;
      }
      if (upper !== undefined) {
        upper = toNumber(upper);
        upper = upper === upper ? upper : 0;
      }
      if (lower !== undefined) {
        lower = toNumber(lower);
        lower = lower === lower ? lower : 0;
      }
      return baseClamp(toNumber(number), lower, upper);
    }

    /**
     * Checks if `n` is between `start` and up to, but not including, `end`. If
     * `end` is not specified, it's set to `start` with `start` then set to `0`.
     * If `start` is greater than `end` the params are swapped to support
     * negative ranges.
     *
     * @static
     * @memberOf _
     * @since 3.3.0
     * @category Number
     * @param {number} number The number to check.
     * @param {number} [start=0] The start of the range.
     * @param {number} end The end of the range.
     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.
     * @see _.range, _.rangeRight
     * @example
     *
     * _.inRange(3, 2, 4);
     * // => true
     *
     * _.inRange(4, 8);
     * // => true
     *
     * _.inRange(4, 2);
     * // => false
     *
     * _.inRange(2, 2);
     * // => false
     *
     * _.inRange(1.2, 2);
     * // => true
     *
     * _.inRange(5.2, 4);
     * // => false
     *
     * _.inRange(-3, -2, -6);
     * // => true
     */
    function inRange(number, start, end) {
      start = toFinite(start);
      if (end === undefined) {
        end = start;
        start = 0;
      } else {
        end = toFinite(end);
      }
      number = toNumber(number);
      return baseInRange(number, start, end);
    }

    /**
     * Produces a random number between the inclusive `lower` and `upper` bounds.
     * If only one argument is provided a number between `0` and the given number
     * is returned. If `floating` is `true`, or either `lower` or `upper` are
     * floats, a floating-point number is returned instead of an integer.
     *
     * **Note:** JavaScript follows the IEEE-754 standard for resolving
     * floating-point values which can produce unexpected results.
     *
     * @static
     * @memberOf _
     * @since 0.7.0
     * @category Number
     * @param {number} [lower=0] The lower bound.
     * @param {number} [upper=1] The upper bound.
     * @param {boolean} [floating] Specify returning a floating-point number.
     * @returns {number} Returns the random number.
     * @example
     *
     * _.random(0, 5);
     * // => an integer between 0 and 5
     *
     * _.random(5);
     * // => also an integer between 0 and 5
     *
     * _.random(5, true);
     * // => a floating-point number between 0 and 5
     *
     * _.random(1.2, 5.2);
     * // => a floating-point number between 1.2 and 5.2
     */
    function random(lower, upper, floating) {
      if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {
        upper = floating = undefined;
      }
      if (floating === undefined) {
        if (typeof upper == 'boolean') {
          floating = upper;
          upper = undefined;
        }
        else if (typeof lower == 'boolean') {
          floating = lower;
          lower = undefined;
        }
      }
      if (lower === undefined && upper === undefined) {
        lower = 0;
        upper = 1;
      }
      else {
        lower = toFinite(lower);
        if (upper === undefined) {
          upper = lower;
          lower = 0;
        } else {
          upper = toFinite(upper);
        }
      }
      if (lower > upper) {
        var temp = lower;
        lower = upper;
        upper = temp;
      }
      if (floating || lower % 1 || upper % 1) {
        var rand = nativeRandom();
        return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);
      }
      return baseRandom(lower, upper);
    }

    /*------------------------------------------------------------------------*/

    /**
     * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the camel cased string.
     * @example
     *
     * _.camelCase('Foo Bar');
     * // => 'fooBar'
     *
     * _.camelCase('--foo-bar--');
     * // => 'fooBar'
     *
     * _.camelCase('__FOO_BAR__');
     * // => 'fooBar'
     */
    var camelCase = createCompounder(function(result, word, index) {
      word = word.toLowerCase();
      return result + (index ? capitalize(word) : word);
    });

    /**
     * Converts the first character of `string` to upper case and the remaining
     * to lower case.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to capitalize.
     * @returns {string} Returns the capitalized string.
     * @example
     *
     * _.capitalize('FRED');
     * // => 'Fred'
     */
    function capitalize(string) {
      return upperFirst(toString(string).toLowerCase());
    }

    /**
     * Deburrs `string` by converting
     * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)
     * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)
     * letters to basic Latin letters and removing
     * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to deburr.
     * @returns {string} Returns the deburred string.
     * @example
     *
     * _.deburr('déjà vu');
     * // => 'deja vu'
     */
    function deburr(string) {
      string = toString(string);
      return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');
    }

    /**
     * Checks if `string` ends with the given target string.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to inspect.
     * @param {string} [target] The string to search for.
     * @param {number} [position=string.length] The position to search up to.
     * @returns {boolean} Returns `true` if `string` ends with `target`,
     *  else `false`.
     * @example
     *
     * _.endsWith('abc', 'c');
     * // => true
     *
     * _.endsWith('abc', 'b');
     * // => false
     *
     * _.endsWith('abc', 'b', 2);
     * // => true
     */
    function endsWith(string, target, position) {
      string = toString(string);
      target = baseToString(target);

      var length = string.length;
      position = position === undefined
        ? length
        : baseClamp(toInteger(position), 0, length);

      var end = position;
      position -= target.length;
      return position >= 0 && string.slice(position, end) == target;
    }

    /**
     * Converts the characters "&", "<", ">", '"', and "'" in `string` to their
     * corresponding HTML entities.
     *
     * **Note:** No other characters are escaped. To escape additional
     * characters use a third-party library like [_he_](https://mths.be/he).
     *
     * Though the ">" character is escaped for symmetry, characters like
     * ">" and "/" don't need escaping in HTML and have no special meaning
     * unless they're part of a tag or unquoted attribute value. See
     * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)
     * (under "semi-related fun fact") for more details.
     *
     * When working with HTML you should always
     * [quote attribute values](http://wonko.com/post/html-escaping) to reduce
     * XSS vectors.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category String
     * @param {string} [string=''] The string to escape.
     * @returns {string} Returns the escaped string.
     * @example
     *
     * _.escape('fred, barney, & pebbles');
     * // => 'fred, barney, &amp; pebbles'
     */
    function escape(string) {
      string = toString(string);
      return (string && reHasUnescapedHtml.test(string))
        ? string.replace(reUnescapedHtml, escapeHtmlChar)
        : string;
    }

    /**
     * Escapes the `RegExp` special characters "^", "$", "\", ".", "*", "+",
     * "?", "(", ")", "[", "]", "{", "}", and "|" in `string`.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to escape.
     * @returns {string} Returns the escaped string.
     * @example
     *
     * _.escapeRegExp('[lodash](https://lodash.com/)');
     * // => '\[lodash\]\(https://lodash\.com/\)'
     */
    function escapeRegExp(string) {
      string = toString(string);
      return (string && reHasRegExpChar.test(string))
        ? string.replace(reRegExpChar, '\\$&')
        : string;
    }

    /**
     * Converts `string` to
     * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the kebab cased string.
     * @example
     *
     * _.kebabCase('Foo Bar');
     * // => 'foo-bar'
     *
     * _.kebabCase('fooBar');
     * // => 'foo-bar'
     *
     * _.kebabCase('__FOO_BAR__');
     * // => 'foo-bar'
     */
    var kebabCase = createCompounder(function(result, word, index) {
      return result + (index ? '-' : '') + word.toLowerCase();
    });

    /**
     * Converts `string`, as space separated words, to lower case.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the lower cased string.
     * @example
     *
     * _.lowerCase('--Foo-Bar--');
     * // => 'foo bar'
     *
     * _.lowerCase('fooBar');
     * // => 'foo bar'
     *
     * _.lowerCase('__FOO_BAR__');
     * // => 'foo bar'
     */
    var lowerCase = createCompounder(function(result, word, index) {
      return result + (index ? ' ' : '') + word.toLowerCase();
    });

    /**
     * Converts the first character of `string` to lower case.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the converted string.
     * @example
     *
     * _.lowerFirst('Fred');
     * // => 'fred'
     *
     * _.lowerFirst('FRED');
     * // => 'fRED'
     */
    var lowerFirst = createCaseFirst('toLowerCase');

    /**
     * Pads `string` on the left and right sides if it's shorter than `length`.
     * Padding characters are truncated if they can't be evenly divided by `length`.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to pad.
     * @param {number} [length=0] The padding length.
     * @param {string} [chars=' '] The string used as padding.
     * @returns {string} Returns the padded string.
     * @example
     *
     * _.pad('abc', 8);
     * // => '  abc   '
     *
     * _.pad('abc', 8, '_-');
     * // => '_-abc_-_'
     *
     * _.pad('abc', 3);
     * // => 'abc'
     */
    function pad(string, length, chars) {
      string = toString(string);
      length = toInteger(length);

      var strLength = length ? stringSize(string) : 0;
      if (!length || strLength >= length) {
        return string;
      }
      var mid = (length - strLength) / 2;
      return (
        createPadding(nativeFloor(mid), chars) +
        string +
        createPadding(nativeCeil(mid), chars)
      );
    }

    /**
     * Pads `string` on the right side if it's shorter than `length`. Padding
     * characters are truncated if they exceed `length`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to pad.
     * @param {number} [length=0] The padding length.
     * @param {string} [chars=' '] The string used as padding.
     * @returns {string} Returns the padded string.
     * @example
     *
     * _.padEnd('abc', 6);
     * // => 'abc   '
     *
     * _.padEnd('abc', 6, '_-');
     * // => 'abc_-_'
     *
     * _.padEnd('abc', 3);
     * // => 'abc'
     */
    function padEnd(string, length, chars) {
      string = toString(string);
      length = toInteger(length);

      var strLength = length ? stringSize(string) : 0;
      return (length && strLength < length)
        ? (string + createPadding(length - strLength, chars))
        : string;
    }

    /**
     * Pads `string` on the left side if it's shorter than `length`. Padding
     * characters are truncated if they exceed `length`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to pad.
     * @param {number} [length=0] The padding length.
     * @param {string} [chars=' '] The string used as padding.
     * @returns {string} Returns the padded string.
     * @example
     *
     * _.padStart('abc', 6);
     * // => '   abc'
     *
     * _.padStart('abc', 6, '_-');
     * // => '_-_abc'
     *
     * _.padStart('abc', 3);
     * // => 'abc'
     */
    function padStart(string, length, chars) {
      string = toString(string);
      length = toInteger(length);

      var strLength = length ? stringSize(string) : 0;
      return (length && strLength < length)
        ? (createPadding(length - strLength, chars) + string)
        : string;
    }

    /**
     * Converts `string` to an integer of the specified radix. If `radix` is
     * `undefined` or `0`, a `radix` of `10` is used unless `value` is a
     * hexadecimal, in which case a `radix` of `16` is used.
     *
     * **Note:** This method aligns with the
     * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.
     *
     * @static
     * @memberOf _
     * @since 1.1.0
     * @category String
     * @param {string} string The string to convert.
     * @param {number} [radix=10] The radix to interpret `value` by.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {number} Returns the converted integer.
     * @example
     *
     * _.parseInt('08');
     * // => 8
     *
     * _.map(['6', '08', '10'], _.parseInt);
     * // => [6, 8, 10]
     */
    function parseInt(string, radix, guard) {
      if (guard || radix == null) {
        radix = 0;
      } else if (radix) {
        radix = +radix;
      }
      return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);
    }

    /**
     * Repeats the given string `n` times.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to repeat.
     * @param {number} [n=1] The number of times to repeat the string.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {string} Returns the repeated string.
     * @example
     *
     * _.repeat('*', 3);
     * // => '***'
     *
     * _.repeat('abc', 2);
     * // => 'abcabc'
     *
     * _.repeat('abc', 0);
     * // => ''
     */
    function repeat(string, n, guard) {
      if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {
        n = 1;
      } else {
        n = toInteger(n);
      }
      return baseRepeat(toString(string), n);
    }

    /**
     * Replaces matches for `pattern` in `string` with `replacement`.
     *
     * **Note:** This method is based on
     * [`String#replace`](https://mdn.io/String/replace).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to modify.
     * @param {RegExp|string} pattern The pattern to replace.
     * @param {Function|string} replacement The match replacement.
     * @returns {string} Returns the modified string.
     * @example
     *
     * _.replace('Hi Fred', 'Fred', 'Barney');
     * // => 'Hi Barney'
     */
    function replace() {
      var args = arguments,
          string = toString(args[0]);

      return args.length < 3 ? string : string.replace(args[1], args[2]);
    }

    /**
     * Converts `string` to
     * [snake case](https://en.wikipedia.org/wiki/Snake_case).
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the snake cased string.
     * @example
     *
     * _.snakeCase('Foo Bar');
     * // => 'foo_bar'
     *
     * _.snakeCase('fooBar');
     * // => 'foo_bar'
     *
     * _.snakeCase('--FOO-BAR--');
     * // => 'foo_bar'
     */
    var snakeCase = createCompounder(function(result, word, index) {
      return result + (index ? '_' : '') + word.toLowerCase();
    });

    /**
     * Splits `string` by `separator`.
     *
     * **Note:** This method is based on
     * [`String#split`](https://mdn.io/String/split).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to split.
     * @param {RegExp|string} separator The separator pattern to split by.
     * @param {number} [limit] The length to truncate results to.
     * @returns {Array} Returns the string segments.
     * @example
     *
     * _.split('a-b-c', '-', 2);
     * // => ['a', 'b']
     */
    function split(string, separator, limit) {
      if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {
        separator = limit = undefined;
      }
      limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;
      if (!limit) {
        return [];
      }
      string = toString(string);
      if (string && (
            typeof separator == 'string' ||
            (separator != null && !isRegExp(separator))
          )) {
        separator = baseToString(separator);
        if (!separator && hasUnicode(string)) {
          return castSlice(stringToArray(string), 0, limit);
        }
      }
      return string.split(separator, limit);
    }

    /**
     * Converts `string` to
     * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).
     *
     * @static
     * @memberOf _
     * @since 3.1.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the start cased string.
     * @example
     *
     * _.startCase('--foo-bar--');
     * // => 'Foo Bar'
     *
     * _.startCase('fooBar');
     * // => 'Foo Bar'
     *
     * _.startCase('__FOO_BAR__');
     * // => 'FOO BAR'
     */
    var startCase = createCompounder(function(result, word, index) {
      return result + (index ? ' ' : '') + upperFirst(word);
    });

    /**
     * Checks if `string` starts with the given target string.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to inspect.
     * @param {string} [target] The string to search for.
     * @param {number} [position=0] The position to search from.
     * @returns {boolean} Returns `true` if `string` starts with `target`,
     *  else `false`.
     * @example
     *
     * _.startsWith('abc', 'a');
     * // => true
     *
     * _.startsWith('abc', 'b');
     * // => false
     *
     * _.startsWith('abc', 'b', 1);
     * // => true
     */
    function startsWith(string, target, position) {
      string = toString(string);
      position = position == null
        ? 0
        : baseClamp(toInteger(position), 0, string.length);

      target = baseToString(target);
      return string.slice(position, position + target.length) == target;
    }

    /**
     * Creates a compiled template function that can interpolate data properties
     * in "interpolate" delimiters, HTML-escape interpolated data properties in
     * "escape" delimiters, and execute JavaScript in "evaluate" delimiters. Data
     * properties may be accessed as free variables in the template. If a setting
     * object is given, it takes precedence over `_.templateSettings` values.
     *
     * **Note:** In the development build `_.template` utilizes
     * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)
     * for easier debugging.
     *
     * For more information on precompiling templates see
     * [lodash's custom builds documentation](https://lodash.com/custom-builds).
     *
     * For more information on Chrome extension sandboxes see
     * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category String
     * @param {string} [string=''] The template string.
     * @param {Object} [options={}] The options object.
     * @param {RegExp} [options.escape=_.templateSettings.escape]
     *  The HTML "escape" delimiter.
     * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]
     *  The "evaluate" delimiter.
     * @param {Object} [options.imports=_.templateSettings.imports]
     *  An object to import into the template as free variables.
     * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]
     *  The "interpolate" delimiter.
     * @param {string} [options.sourceURL='lodash.templateSources[n]']
     *  The sourceURL of the compiled template.
     * @param {string} [options.variable='obj']
     *  The data object variable name.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Function} Returns the compiled template function.
     * @example
     *
     * // Use the "interpolate" delimiter to create a compiled template.
     * var compiled = _.template('hello <%= user %>!');
     * compiled({ 'user': 'fred' });
     * // => 'hello fred!'
     *
     * // Use the HTML "escape" delimiter to escape data property values.
     * var compiled = _.template('<b><%- value %></b>');
     * compiled({ 'value': '<script>' });
     * // => '<b>&lt;script&gt;</b>'
     *
     * // Use the "evaluate" delimiter to execute JavaScript and generate HTML.
     * var compiled = _.template('<% _.forEach(users, function(user) { %><li><%- user %></li><% }); %>');
     * compiled({ 'users': ['fred', 'barney'] });
     * // => '<li>fred</li><li>barney</li>'
     *
     * // Use the internal `print` function in "evaluate" delimiters.
     * var compiled = _.template('<% print("hello " + user); %>!');
     * compiled({ 'user': 'barney' });
     * // => 'hello barney!'
     *
     * // Use the ES template literal delimiter as an "interpolate" delimiter.
     * // Disable support by replacing the "interpolate" delimiter.
     * var compiled = _.template('hello ${ user }!');
     * compiled({ 'user': 'pebbles' });
     * // => 'hello pebbles!'
     *
     * // Use backslashes to treat delimiters as plain text.
     * var compiled = _.template('<%= "\\<%- value %\\>" %>');
     * compiled({ 'value': 'ignored' });
     * // => '<%- value %>'
     *
     * // Use the `imports` option to import `jQuery` as `jq`.
     * var text = '<% jq.each(users, function(user) { %><li><%- user %></li><% }); %>';
     * var compiled = _.template(text, { 'imports': { 'jq': jQuery } });
     * compiled({ 'users': ['fred', 'barney'] });
     * // => '<li>fred</li><li>barney</li>'
     *
     * // Use the `sourceURL` option to specify a custom sourceURL for the template.
     * var compiled = _.template('hello <%= user %>!', { 'sourceURL': '/basic/greeting.jst' });
     * compiled(data);
     * // => Find the source of "greeting.jst" under the Sources tab or Resources panel of the web inspector.
     *
     * // Use the `variable` option to ensure a with-statement isn't used in the compiled template.
     * var compiled = _.template('hi <%= data.user %>!', { 'variable': 'data' });
     * compiled.source;
     * // => function(data) {
     * //   var __t, __p = '';
     * //   __p += 'hi ' + ((__t = ( data.user )) == null ? '' : __t) + '!';
     * //   return __p;
     * // }
     *
     * // Use custom template delimiters.
     * _.templateSettings.interpolate = /{{([\s\S]+?)}}/g;
     * var compiled = _.template('hello {{ user }}!');
     * compiled({ 'user': 'mustache' });
     * // => 'hello mustache!'
     *
     * // Use the `source` property to inline compiled templates for meaningful
     * // line numbers in error messages and stack traces.
     * fs.writeFileSync(path.join(process.cwd(), 'jst.js'), '\
     *   var JST = {\
     *     "main": ' + _.template(mainText).source + '\
     *   };\
     * ');
     */
    function template(string, options, guard) {
      // Based on John Resig's `tmpl` implementation
      // (http://ejohn.org/blog/javascript-micro-templating/)
      // and Laura Doktorova's doT.js (https://github.com/olado/doT).
      var settings = lodash.templateSettings;

      if (guard && isIterateeCall(string, options, guard)) {
        options = undefined;
      }
      string = toString(string);
      options = assignInWith({}, options, settings, customDefaultsAssignIn);

      var imports = assignInWith({}, options.imports, settings.imports, customDefaultsAssignIn),
          importsKeys = keys(imports),
          importsValues = baseValues(imports, importsKeys);

      var isEscaping,
          isEvaluating,
          index = 0,
          interpolate = options.interpolate || reNoMatch,
          source = "__p += '";

      // Compile the regexp to match each delimiter.
      var reDelimiters = RegExp(
        (options.escape || reNoMatch).source + '|' +
        interpolate.source + '|' +
        (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' +
        (options.evaluate || reNoMatch).source + '|$'
      , 'g');

      // Use a sourceURL for easier debugging.
      var sourceURL = '//# sourceURL=' +
        ('sourceURL' in options
          ? options.sourceURL
          : ('lodash.templateSources[' + (++templateCounter) + ']')
        ) + '\n';

      string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) {
        interpolateValue || (interpolateValue = esTemplateValue);

        // Escape characters that can't be included in string literals.
        source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar);

        // Replace delimiters with snippets.
        if (escapeValue) {
          isEscaping = true;
          source += "' +\n__e(" + escapeValue + ") +\n'";
        }
        if (evaluateValue) {
          isEvaluating = true;
          source += "';\n" + evaluateValue + ";\n__p += '";
        }
        if (interpolateValue) {
          source += "' +\n((__t = (" + interpolateValue + ")) == null ? '' : __t) +\n'";
        }
        index = offset + match.length;

        // The JS engine embedded in Adobe products needs `match` returned in
        // order to produce the correct `offset` value.
        return match;
      });

      source += "';\n";

      // If `variable` is not specified wrap a with-statement around the generated
      // code to add the data object to the top of the scope chain.
      var variable = options.variable;
      if (!variable) {
        source = 'with (obj) {\n' + source + '\n}\n';
      }
      // Cleanup code by stripping empty strings.
      source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source)
        .replace(reEmptyStringMiddle, '$1')
        .replace(reEmptyStringTrailing, '$1;');

      // Frame code as the function body.
      source = 'function(' + (variable || 'obj') + ') {\n' +
        (variable
          ? ''
          : 'obj || (obj = {});\n'
        ) +
        "var __t, __p = ''" +
        (isEscaping
           ? ', __e = _.escape'
           : ''
        ) +
        (isEvaluating
          ? ', __j = Array.prototype.join;\n' +
            "function print() { __p += __j.call(arguments, '') }\n"
          : ';\n'
        ) +
        source +
        'return __p\n}';

      var result = attempt(function() {
        return Function(importsKeys, sourceURL + 'return ' + source)
          .apply(undefined, importsValues);
      });

      // Provide the compiled function's source by its `toString` method or
      // the `source` property as a convenience for inlining compiled templates.
      result.source = source;
      if (isError(result)) {
        throw result;
      }
      return result;
    }

    /**
     * Converts `string`, as a whole, to lower case just like
     * [String#toLowerCase](https://mdn.io/toLowerCase).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the lower cased string.
     * @example
     *
     * _.toLower('--Foo-Bar--');
     * // => '--foo-bar--'
     *
     * _.toLower('fooBar');
     * // => 'foobar'
     *
     * _.toLower('__FOO_BAR__');
     * // => '__foo_bar__'
     */
    function toLower(value) {
      return toString(value).toLowerCase();
    }

    /**
     * Converts `string`, as a whole, to upper case just like
     * [String#toUpperCase](https://mdn.io/toUpperCase).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the upper cased string.
     * @example
     *
     * _.toUpper('--foo-bar--');
     * // => '--FOO-BAR--'
     *
     * _.toUpper('fooBar');
     * // => 'FOOBAR'
     *
     * _.toUpper('__foo_bar__');
     * // => '__FOO_BAR__'
     */
    function toUpper(value) {
      return toString(value).toUpperCase();
    }

    /**
     * Removes leading and trailing whitespace or specified characters from `string`.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to trim.
     * @param {string} [chars=whitespace] The characters to trim.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {string} Returns the trimmed string.
     * @example
     *
     * _.trim('  abc  ');
     * // => 'abc'
     *
     * _.trim('-_-abc-_-', '_-');
     * // => 'abc'
     *
     * _.map(['  foo  ', '  bar  '], _.trim);
     * // => ['foo', 'bar']
     */
    function trim(string, chars, guard) {
      string = toString(string);
      if (string && (guard || chars === undefined)) {
        return string.replace(reTrim, '');
      }
      if (!string || !(chars = baseToString(chars))) {
        return string;
      }
      var strSymbols = stringToArray(string),
          chrSymbols = stringToArray(chars),
          start = charsStartIndex(strSymbols, chrSymbols),
          end = charsEndIndex(strSymbols, chrSymbols) + 1;

      return castSlice(strSymbols, start, end).join('');
    }

    /**
     * Removes trailing whitespace or specified characters from `string`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to trim.
     * @param {string} [chars=whitespace] The characters to trim.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {string} Returns the trimmed string.
     * @example
     *
     * _.trimEnd('  abc  ');
     * // => '  abc'
     *
     * _.trimEnd('-_-abc-_-', '_-');
     * // => '-_-abc'
     */
    function trimEnd(string, chars, guard) {
      string = toString(string);
      if (string && (guard || chars === undefined)) {
        return string.replace(reTrimEnd, '');
      }
      if (!string || !(chars = baseToString(chars))) {
        return string;
      }
      var strSymbols = stringToArray(string),
          end = charsEndIndex(strSymbols, stringToArray(chars)) + 1;

      return castSlice(strSymbols, 0, end).join('');
    }

    /**
     * Removes leading whitespace or specified characters from `string`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to trim.
     * @param {string} [chars=whitespace] The characters to trim.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {string} Returns the trimmed string.
     * @example
     *
     * _.trimStart('  abc  ');
     * // => 'abc  '
     *
     * _.trimStart('-_-abc-_-', '_-');
     * // => 'abc-_-'
     */
    function trimStart(string, chars, guard) {
      string = toString(string);
      if (string && (guard || chars === undefined)) {
        return string.replace(reTrimStart, '');
      }
      if (!string || !(chars = baseToString(chars))) {
        return string;
      }
      var strSymbols = stringToArray(string),
          start = charsStartIndex(strSymbols, stringToArray(chars));

      return castSlice(strSymbols, start).join('');
    }

    /**
     * Truncates `string` if it's longer than the given maximum string length.
     * The last characters of the truncated string are replaced with the omission
     * string which defaults to "...".
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to truncate.
     * @param {Object} [options={}] The options object.
     * @param {number} [options.length=30] The maximum string length.
     * @param {string} [options.omission='...'] The string to indicate text is omitted.
     * @param {RegExp|string} [options.separator] The separator pattern to truncate to.
     * @returns {string} Returns the truncated string.
     * @example
     *
     * _.truncate('hi-diddly-ho there, neighborino');
     * // => 'hi-diddly-ho there, neighbo...'
     *
     * _.truncate('hi-diddly-ho there, neighborino', {
     *   'length': 24,
     *   'separator': ' '
     * });
     * // => 'hi-diddly-ho there,...'
     *
     * _.truncate('hi-diddly-ho there, neighborino', {
     *   'length': 24,
     *   'separator': /,? +/
     * });
     * // => 'hi-diddly-ho there...'
     *
     * _.truncate('hi-diddly-ho there, neighborino', {
     *   'omission': ' [...]'
     * });
     * // => 'hi-diddly-ho there, neig [...]'
     */
    function truncate(string, options) {
      var length = DEFAULT_TRUNC_LENGTH,
          omission = DEFAULT_TRUNC_OMISSION;

      if (isObject(options)) {
        var separator = 'separator' in options ? options.separator : separator;
        length = 'length' in options ? toInteger(options.length) : length;
        omission = 'omission' in options ? baseToString(options.omission) : omission;
      }
      string = toString(string);

      var strLength = string.length;
      if (hasUnicode(string)) {
        var strSymbols = stringToArray(string);
        strLength = strSymbols.length;
      }
      if (length >= strLength) {
        return string;
      }
      var end = length - stringSize(omission);
      if (end < 1) {
        return omission;
      }
      var result = strSymbols
        ? castSlice(strSymbols, 0, end).join('')
        : string.slice(0, end);

      if (separator === undefined) {
        return result + omission;
      }
      if (strSymbols) {
        end += (result.length - end);
      }
      if (isRegExp(separator)) {
        if (string.slice(end).search(separator)) {
          var match,
              substring = result;

          if (!separator.global) {
            separator = RegExp(separator.source, toString(reFlags.exec(separator)) + 'g');
          }
          separator.lastIndex = 0;
          while ((match = separator.exec(substring))) {
            var newEnd = match.index;
          }
          result = result.slice(0, newEnd === undefined ? end : newEnd);
        }
      } else if (string.indexOf(baseToString(separator), end) != end) {
        var index = result.lastIndexOf(separator);
        if (index > -1) {
          result = result.slice(0, index);
        }
      }
      return result + omission;
    }

    /**
     * The inverse of `_.escape`; this method converts the HTML entities
     * `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#39;` in `string` to
     * their corresponding characters.
     *
     * **Note:** No other HTML entities are unescaped. To unescape additional
     * HTML entities use a third-party library like [_he_](https://mths.be/he).
     *
     * @static
     * @memberOf _
     * @since 0.6.0
     * @category String
     * @param {string} [string=''] The string to unescape.
     * @returns {string} Returns the unescaped string.
     * @example
     *
     * _.unescape('fred, barney, &amp; pebbles');
     * // => 'fred, barney, & pebbles'
     */
    function unescape(string) {
      string = toString(string);
      return (string && reHasEscapedHtml.test(string))
        ? string.replace(reEscapedHtml, unescapeHtmlChar)
        : string;
    }

    /**
     * Converts `string`, as space separated words, to upper case.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the upper cased string.
     * @example
     *
     * _.upperCase('--foo-bar');
     * // => 'FOO BAR'
     *
     * _.upperCase('fooBar');
     * // => 'FOO BAR'
     *
     * _.upperCase('__foo_bar__');
     * // => 'FOO BAR'
     */
    var upperCase = createCompounder(function(result, word, index) {
      return result + (index ? ' ' : '') + word.toUpperCase();
    });

    /**
     * Converts the first character of `string` to upper case.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the converted string.
     * @example
     *
     * _.upperFirst('fred');
     * // => 'Fred'
     *
     * _.upperFirst('FRED');
     * // => 'FRED'
     */
    var upperFirst = createCaseFirst('toUpperCase');

    /**
     * Splits `string` into an array of its words.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to inspect.
     * @param {RegExp|string} [pattern] The pattern to match words.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Array} Returns the words of `string`.
     * @example
     *
     * _.words('fred, barney, & pebbles');
     * // => ['fred', 'barney', 'pebbles']
     *
     * _.words('fred, barney, & pebbles', /[^, ]+/g);
     * // => ['fred', 'barney', '&', 'pebbles']
     */
    function words(string, pattern, guard) {
      string = toString(string);
      pattern = guard ? undefined : pattern;

      if (pattern === undefined) {
        return hasUnicodeWord(string) ? unicodeWords(string) : asciiWords(string);
      }
      return string.match(pattern) || [];
    }

    /*------------------------------------------------------------------------*/

    /**
     * Attempts to invoke `func`, returning either the result or the caught error
     * object. Any additional arguments are provided to `func` when it's invoked.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Util
     * @param {Function} func The function to attempt.
     * @param {...*} [args] The arguments to invoke `func` with.
     * @returns {*} Returns the `func` result or error object.
     * @example
     *
     * // Avoid throwing errors for invalid selectors.
     * var elements = _.attempt(function(selector) {
     *   return document.querySelectorAll(selector);
     * }, '>_>');
     *
     * if (_.isError(elements)) {
     *   elements = [];
     * }
     */
    var attempt = baseRest(function(func, args) {
      try {
        return apply(func, undefined, args);
      } catch (e) {
        return isError(e) ? e : new Error(e);
      }
    });

    /**
     * Binds methods of an object to the object itself, overwriting the existing
     * method.
     *
     * **Note:** This method doesn't set the "length" property of bound functions.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Util
     * @param {Object} object The object to bind and assign the bound methods to.
     * @param {...(string|string[])} methodNames The object method names to bind.
     * @returns {Object} Returns `object`.
     * @example
     *
     * var view = {
     *   'label': 'docs',
     *   'click': function() {
     *     console.log('clicked ' + this.label);
     *   }
     * };
     *
     * _.bindAll(view, ['click']);
     * jQuery(element).on('click', view.click);
     * // => Logs 'clicked docs' when clicked.
     */
    var bindAll = flatRest(function(object, methodNames) {
      arrayEach(methodNames, function(key) {
        key = toKey(key);
        baseAssignValue(object, key, bind(object[key], object));
      });
      return object;
    });

    /**
     * Creates a function that iterates over `pairs` and invokes the corresponding
     * function of the first predicate to return truthy. The predicate-function
     * pairs are invoked with the `this` binding and arguments of the created
     * function.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Util
     * @param {Array} pairs The predicate-function pairs.
     * @returns {Function} Returns the new composite function.
     * @example
     *
     * var func = _.cond([
     *   [_.matches({ 'a': 1 }),           _.constant('matches A')],
     *   [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],
     *   [_.stubTrue,                      _.constant('no match')]
     * ]);
     *
     * func({ 'a': 1, 'b': 2 });
     * // => 'matches A'
     *
     * func({ 'a': 0, 'b': 1 });
     * // => 'matches B'
     *
     * func({ 'a': '1', 'b': '2' });
     * // => 'no match'
     */
    function cond(pairs) {
      var length = pairs == null ? 0 : pairs.length,
          toIteratee = getIteratee();

      pairs = !length ? [] : arrayMap(pairs, function(pair) {
        if (typeof pair[1] != 'function') {
          throw new TypeError(FUNC_ERROR_TEXT);
        }
        return [toIteratee(pair[0]), pair[1]];
      });

      return baseRest(function(args) {
        var index = -1;
        while (++index < length) {
          var pair = pairs[index];
          if (apply(pair[0], this, args)) {
            return apply(pair[1], this, args);
          }
        }
      });
    }

    /**
     * Creates a function that invokes the predicate properties of `source` with
     * the corresponding property values of a given object, returning `true` if
     * all predicates return truthy, else `false`.
     *
     * **Note:** The created function is equivalent to `_.conformsTo` with
     * `source` partially applied.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Util
     * @param {Object} source The object of property predicates to conform to.
     * @returns {Function} Returns the new spec function.
     * @example
     *
     * var objects = [
     *   { 'a': 2, 'b': 1 },
     *   { 'a': 1, 'b': 2 }
     * ];
     *
     * _.filter(objects, _.conforms({ 'b': function(n) { return n > 1; } }));
     * // => [{ 'a': 1, 'b': 2 }]
     */
    function conforms(source) {
      return baseConforms(baseClone(source, CLONE_DEEP_FLAG));
    }

    /**
     * Creates a function that returns `value`.
     *
     * @static
     * @memberOf _
     * @since 2.4.0
     * @category Util
     * @param {*} value The value to return from the new function.
     * @returns {Function} Returns the new constant function.
     * @example
     *
     * var objects = _.times(2, _.constant({ 'a': 1 }));
     *
     * console.log(objects);
     * // => [{ 'a': 1 }, { 'a': 1 }]
     *
     * console.log(objects[0] === objects[1]);
     * // => true
     */
    function constant(value) {
      return function() {
        return value;
      };
    }

    /**
     * Checks `value` to determine whether a default value should be returned in
     * its place. The `defaultValue` is returned if `value` is `NaN`, `null`,
     * or `undefined`.
     *
     * @static
     * @memberOf _
     * @since 4.14.0
     * @category Util
     * @param {*} value The value to check.
     * @param {*} defaultValue The default value.
     * @returns {*} Returns the resolved value.
     * @example
     *
     * _.defaultTo(1, 10);
     * // => 1
     *
     * _.defaultTo(undefined, 10);
     * // => 10
     */
    function defaultTo(value, defaultValue) {
      return (value == null || value !== value) ? defaultValue : value;
    }

    /**
     * Creates a function that returns the result of invoking the given functions
     * with the `this` binding of the created function, where each successive
     * invocation is supplied the return value of the previous.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Util
     * @param {...(Function|Function[])} [funcs] The functions to invoke.
     * @returns {Function} Returns the new composite function.
     * @see _.flowRight
     * @example
     *
     * function square(n) {
     *   return n * n;
     * }
     *
     * var addSquare = _.flow([_.add, square]);
     * addSquare(1, 2);
     * // => 9
     */
    var flow = createFlow();

    /**
     * This method is like `_.flow` except that it creates a function that
     * invokes the given functions from right to left.
     *
     * @static
     * @since 3.0.0
     * @memberOf _
     * @category Util
     * @param {...(Function|Function[])} [funcs] The functions to invoke.
     * @returns {Function} Returns the new composite function.
     * @see _.flow
     * @example
     *
     * function square(n) {
     *   return n * n;
     * }
     *
     * var addSquare = _.flowRight([square, _.add]);
     * addSquare(1, 2);
     * // => 9
     */
    var flowRight = createFlow(true);

    /**
     * This method returns the first argument it receives.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Util
     * @param {*} value Any value.
     * @returns {*} Returns `value`.
     * @example
     *
     * var object = { 'a': 1 };
     *
     * console.log(_.identity(object) === object);
     * // => true
     */
    function identity(value) {
      return value;
    }

    /**
     * Creates a function that invokes `func` with the arguments of the created
     * function. If `func` is a property name, the created function returns the
     * property value for a given element. If `func` is an array or object, the
     * created function returns `true` for elements that contain the equivalent
     * source properties, otherwise it returns `false`.
     *
     * @static
     * @since 4.0.0
     * @memberOf _
     * @category Util
     * @param {*} [func=_.identity] The value to convert to a callback.
     * @returns {Function} Returns the callback.
     * @example
     *
     * var users = [
     *   { 'user': 'barney', 'age': 36, 'active': true },
     *   { 'user': 'fred',   'age': 40, 'active': false }
     * ];
     *
     * // The `_.matches` iteratee shorthand.
     * _.filter(users, _.iteratee({ 'user': 'barney', 'active': true }));
     * // => [{ 'user': 'barney', 'age': 36, 'active': true }]
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.filter(users, _.iteratee(['user', 'fred']));
     * // => [{ 'user': 'fred', 'age': 40 }]
     *
     * // The `_.property` iteratee shorthand.
     * _.map(users, _.iteratee('user'));
     * // => ['barney', 'fred']
     *
     * // Create custom iteratee shorthands.
     * _.iteratee = _.wrap(_.iteratee, function(iteratee, func) {
     *   return !_.isRegExp(func) ? iteratee(func) : function(string) {
     *     return func.test(string);
     *   };
     * });
     *
     * _.filter(['abc', 'def'], /ef/);
     * // => ['def']
     */
    function iteratee(func) {
      return baseIteratee(typeof func == 'function' ? func : baseClone(func, CLONE_DEEP_FLAG));
    }

    /**
     * Creates a function that performs a partial deep comparison between a given
     * object and `source`, returning `true` if the given object has equivalent
     * property values, else `false`.
     *
     * **Note:** The created function is equivalent to `_.isMatch` with `source`
     * partially applied.
     *
     * Partial comparisons will match empty array and empty object `source`
     * values against any array or object value, respectively. See `_.isEqual`
     * for a list of supported value comparisons.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Util
     * @param {Object} source The object of property values to match.
     * @returns {Function} Returns the new spec function.
     * @example
     *
     * var objects = [
     *   { 'a': 1, 'b': 2, 'c': 3 },
     *   { 'a': 4, 'b': 5, 'c': 6 }
     * ];
     *
     * _.filter(objects, _.matches({ 'a': 4, 'c': 6 }));
     * // => [{ 'a': 4, 'b': 5, 'c': 6 }]
     */
    function matches(source) {
      return baseMatches(baseClone(source, CLONE_DEEP_FLAG));
    }

    /**
     * Creates a function that performs a partial deep comparison between the
     * value at `path` of a given object to `srcValue`, returning `true` if the
     * object value is equivalent, else `false`.
     *
     * **Note:** Partial comparisons will match empty array and empty object
     * `srcValue` values against any array or object value, respectively. See
     * `_.isEqual` for a list of supported value comparisons.
     *
     * @static
     * @memberOf _
     * @since 3.2.0
     * @category Util
     * @param {Array|string} path The path of the property to get.
     * @param {*} srcValue The value to match.
     * @returns {Function} Returns the new spec function.
     * @example
     *
     * var objects = [
     *   { 'a': 1, 'b': 2, 'c': 3 },
     *   { 'a': 4, 'b': 5, 'c': 6 }
     * ];
     *
     * _.find(objects, _.matchesProperty('a', 4));
     * // => { 'a': 4, 'b': 5, 'c': 6 }
     */
    function matchesProperty(path, srcValue) {
      return baseMatchesProperty(path, baseClone(srcValue, CLONE_DEEP_FLAG));
    }

    /**
     * Creates a function that invokes the method at `path` of a given object.
     * Any additional arguments are provided to the invoked method.
     *
     * @static
     * @memberOf _
     * @since 3.7.0
     * @category Util
     * @param {Array|string} path The path of the method to invoke.
     * @param {...*} [args] The arguments to invoke the method with.
     * @returns {Function} Returns the new invoker function.
     * @example
     *
     * var objects = [
     *   { 'a': { 'b': _.constant(2) } },
     *   { 'a': { 'b': _.constant(1) } }
     * ];
     *
     * _.map(objects, _.method('a.b'));
     * // => [2, 1]
     *
     * _.map(objects, _.method(['a', 'b']));
     * // => [2, 1]
     */
    var method = baseRest(function(path, args) {
      return function(object) {
        return baseInvoke(object, path, args);
      };
    });

    /**
     * The opposite of `_.method`; this method creates a function that invokes
     * the method at a given path of `object`. Any additional arguments are
     * provided to the invoked method.
     *
     * @static
     * @memberOf _
     * @since 3.7.0
     * @category Util
     * @param {Object} object The object to query.
     * @param {...*} [args] The arguments to invoke the method with.
     * @returns {Function} Returns the new invoker function.
     * @example
     *
     * var array = _.times(3, _.constant),
     *     object = { 'a': array, 'b': array, 'c': array };
     *
     * _.map(['a[2]', 'c[0]'], _.methodOf(object));
     * // => [2, 0]
     *
     * _.map([['a', '2'], ['c', '0']], _.methodOf(object));
     * // => [2, 0]
     */
    var methodOf = baseRest(function(object, args) {
      return function(path) {
        return baseInvoke(object, path, args);
      };
    });

    /**
     * Adds all own enumerable string keyed function properties of a source
     * object to the destination object. If `object` is a function, then methods
     * are added to its prototype as well.
     *
     * **Note:** Use `_.runInContext` to create a pristine `lodash` function to
     * avoid conflicts caused by modifying the original.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Util
     * @param {Function|Object} [object=lodash] The destination object.
     * @param {Object} source The object of functions to add.
     * @param {Object} [options={}] The options object.
     * @param {boolean} [options.chain=true] Specify whether mixins are chainable.
     * @returns {Function|Object} Returns `object`.
     * @example
     *
     * function vowels(string) {
     *   return _.filter(string, function(v) {
     *     return /[aeiou]/i.test(v);
     *   });
     * }
     *
     * _.mixin({ 'vowels': vowels });
     * _.vowels('fred');
     * // => ['e']
     *
     * _('fred').vowels().value();
     * // => ['e']
     *
     * _.mixin({ 'vowels': vowels }, { 'chain': false });
     * _('fred').vowels();
     * // => ['e']
     */
    function mixin(object, source, options) {
      var props = keys(source),
          methodNames = baseFunctions(source, props);

      if (options == null &&
          !(isObject(source) && (methodNames.length || !props.length))) {
        options = source;
        source = object;
        object = this;
        methodNames = baseFunctions(source, keys(source));
      }
      var chain = !(isObject(options) && 'chain' in options) || !!options.chain,
          isFunc = isFunction(object);

      arrayEach(methodNames, function(methodName) {
        var func = source[methodName];
        object[methodName] = func;
        if (isFunc) {
          object.prototype[methodName] = function() {
            var chainAll = this.__chain__;
            if (chain || chainAll) {
              var result = object(this.__wrapped__),
                  actions = result.__actions__ = copyArray(this.__actions__);

              actions.push({ 'func': func, 'args': arguments, 'thisArg': object });
              result.__chain__ = chainAll;
              return result;
            }
            return func.apply(object, arrayPush([this.value()], arguments));
          };
        }
      });

      return object;
    }

    /**
     * Reverts the `_` variable to its previous value and returns a reference to
     * the `lodash` function.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Util
     * @returns {Function} Returns the `lodash` function.
     * @example
     *
     * var lodash = _.noConflict();
     */
    function noConflict() {
      if (root._ === this) {
        root._ = oldDash;
      }
      return this;
    }

    /**
     * This method returns `undefined`.
     *
     * @static
     * @memberOf _
     * @since 2.3.0
     * @category Util
     * @example
     *
     * _.times(2, _.noop);
     * // => [undefined, undefined]
     */
    function noop() {
      // No operation performed.
    }

    /**
     * Creates a function that gets the argument at index `n`. If `n` is negative,
     * the nth argument from the end is returned.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Util
     * @param {number} [n=0] The index of the argument to return.
     * @returns {Function} Returns the new pass-thru function.
     * @example
     *
     * var func = _.nthArg(1);
     * func('a', 'b', 'c', 'd');
     * // => 'b'
     *
     * var func = _.nthArg(-2);
     * func('a', 'b', 'c', 'd');
     * // => 'c'
     */
    function nthArg(n) {
      n = toInteger(n);
      return baseRest(function(args) {
        return baseNth(args, n);
      });
    }

    /**
     * Creates a function that invokes `iteratees` with the arguments it receives
     * and returns their results.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Util
     * @param {...(Function|Function[])} [iteratees=[_.identity]]
     *  The iteratees to invoke.
     * @returns {Function} Returns the new function.
     * @example
     *
     * var func = _.over([Math.max, Math.min]);
     *
     * func(1, 2, 3, 4);
     * // => [4, 1]
     */
    var over = createOver(arrayMap);

    /**
     * Creates a function that checks if **all** of the `predicates` return
     * truthy when invoked with the arguments it receives.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Util
     * @param {...(Function|Function[])} [predicates=[_.identity]]
     *  The predicates to check.
     * @returns {Function} Returns the new function.
     * @example
     *
     * var func = _.overEvery([Boolean, isFinite]);
     *
     * func('1');
     * // => true
     *
     * func(null);
     * // => false
     *
     * func(NaN);
     * // => false
     */
    var overEvery = createOver(arrayEvery);

    /**
     * Creates a function that checks if **any** of the `predicates` return
     * truthy when invoked with the arguments it receives.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Util
     * @param {...(Function|Function[])} [predicates=[_.identity]]
     *  The predicates to check.
     * @returns {Function} Returns the new function.
     * @example
     *
     * var func = _.overSome([Boolean, isFinite]);
     *
     * func('1');
     * // => true
     *
     * func(null);
     * // => true
     *
     * func(NaN);
     * // => false
     */
    var overSome = createOver(arraySome);

    /**
     * Creates a function that returns the value at `path` of a given object.
     *
     * @static
     * @memberOf _
     * @since 2.4.0
     * @category Util
     * @param {Array|string} path The path of the property to get.
     * @returns {Function} Returns the new accessor function.
     * @example
     *
     * var objects = [
     *   { 'a': { 'b': 2 } },
     *   { 'a': { 'b': 1 } }
     * ];
     *
     * _.map(objects, _.property('a.b'));
     * // => [2, 1]
     *
     * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');
     * // => [1, 2]
     */
    function property(path) {
      return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);
    }

    /**
     * The opposite of `_.property`; this method creates a function that returns
     * the value at a given path of `object`.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Util
     * @param {Object} object The object to query.
     * @returns {Function} Returns the new accessor function.
     * @example
     *
     * var array = [0, 1, 2],
     *     object = { 'a': array, 'b': array, 'c': array };
     *
     * _.map(['a[2]', 'c[0]'], _.propertyOf(object));
     * // => [2, 0]
     *
     * _.map([['a', '2'], ['c', '0']], _.propertyOf(object));
     * // => [2, 0]
     */
    function propertyOf(object) {
      return function(path) {
        return object == null ? undefined : baseGet(object, path);
      };
    }

    /**
     * Creates an array of numbers (positive and/or negative) progressing from
     * `start` up to, but not including, `end`. A step of `-1` is used if a negative
     * `start` is specified without an `end` or `step`. If `end` is not specified,
     * it's set to `start` with `start` then set to `0`.
     *
     * **Note:** JavaScript follows the IEEE-754 standard for resolving
     * floating-point values which can produce unexpected results.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Util
     * @param {number} [start=0] The start of the range.
     * @param {number} end The end of the range.
     * @param {number} [step=1] The value to increment or decrement by.
     * @returns {Array} Returns the range of numbers.
     * @see _.inRange, _.rangeRight
     * @example
     *
     * _.range(4);
     * // => [0, 1, 2, 3]
     *
     * _.range(-4);
     * // => [0, -1, -2, -3]
     *
     * _.range(1, 5);
     * // => [1, 2, 3, 4]
     *
     * _.range(0, 20, 5);
     * // => [0, 5, 10, 15]
     *
     * _.range(0, -4, -1);
     * // => [0, -1, -2, -3]
     *
     * _.range(1, 4, 0);
     * // => [1, 1, 1]
     *
     * _.range(0);
     * // => []
     */
    var range = createRange();

    /**
     * This method is like `_.range` except that it populates values in
     * descending order.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Util
     * @param {number} [start=0] The start of the range.
     * @param {number} end The end of the range.
     * @param {number} [step=1] The value to increment or decrement by.
     * @returns {Array} Returns the range of numbers.
     * @see _.inRange, _.range
     * @example
     *
     * _.rangeRight(4);
     * // => [3, 2, 1, 0]
     *
     * _.rangeRight(-4);
     * // => [-3, -2, -1, 0]
     *
     * _.rangeRight(1, 5);
     * // => [4, 3, 2, 1]
     *
     * _.rangeRight(0, 20, 5);
     * // => [15, 10, 5, 0]
     *
     * _.rangeRight(0, -4, -1);
     * // => [-3, -2, -1, 0]
     *
     * _.rangeRight(1, 4, 0);
     * // => [1, 1, 1]
     *
     * _.rangeRight(0);
     * // => []
     */
    var rangeRight = createRange(true);

    /**
     * This method returns a new empty array.
     *
     * @static
     * @memberOf _
     * @since 4.13.0
     * @category Util
     * @returns {Array} Returns the new empty array.
     * @example
     *
     * var arrays = _.times(2, _.stubArray);
     *
     * console.log(arrays);
     * // => [[], []]
     *
     * console.log(arrays[0] === arrays[1]);
     * // => false
     */
    function stubArray() {
      return [];
    }

    /**
     * This method returns `false`.
     *
     * @static
     * @memberOf _
     * @since 4.13.0
     * @category Util
     * @returns {boolean} Returns `false`.
     * @example
     *
     * _.times(2, _.stubFalse);
     * // => [false, false]
     */
    function stubFalse() {
      return false;
    }

    /**
     * This method returns a new empty object.
     *
     * @static
     * @memberOf _
     * @since 4.13.0
     * @category Util
     * @returns {Object} Returns the new empty object.
     * @example
     *
     * var objects = _.times(2, _.stubObject);
     *
     * console.log(objects);
     * // => [{}, {}]
     *
     * console.log(objects[0] === objects[1]);
     * // => false
     */
    function stubObject() {
      return {};
    }

    /**
     * This method returns an empty string.
     *
     * @static
     * @memberOf _
     * @since 4.13.0
     * @category Util
     * @returns {string} Returns the empty string.
     * @example
     *
     * _.times(2, _.stubString);
     * // => ['', '']
     */
    function stubString() {
      return '';
    }

    /**
     * This method returns `true`.
     *
     * @static
     * @memberOf _
     * @since 4.13.0
     * @category Util
     * @returns {boolean} Returns `true`.
     * @example
     *
     * _.times(2, _.stubTrue);
     * // => [true, true]
     */
    function stubTrue() {
      return true;
    }

    /**
     * Invokes the iteratee `n` times, returning an array of the results of
     * each invocation. The iteratee is invoked with one argument; (index).
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Util
     * @param {number} n The number of times to invoke `iteratee`.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the array of results.
     * @example
     *
     * _.times(3, String);
     * // => ['0', '1', '2']
     *
     *  _.times(4, _.constant(0));
     * // => [0, 0, 0, 0]
     */
    function times(n, iteratee) {
      n = toInteger(n);
      if (n < 1 || n > MAX_SAFE_INTEGER) {
        return [];
      }
      var index = MAX_ARRAY_LENGTH,
          length = nativeMin(n, MAX_ARRAY_LENGTH);

      iteratee = getIteratee(iteratee);
      n -= MAX_ARRAY_LENGTH;

      var result = baseTimes(length, iteratee);
      while (++index < n) {
        iteratee(index);
      }
      return result;
    }

    /**
     * Converts `value` to a property path array.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Util
     * @param {*} value The value to convert.
     * @returns {Array} Returns the new property path array.
     * @example
     *
     * _.toPath('a.b.c');
     * // => ['a', 'b', 'c']
     *
     * _.toPath('a[0].b.c');
     * // => ['a', '0', 'b', 'c']
     */
    function toPath(value) {
      if (isArray(value)) {
        return arrayMap(value, toKey);
      }
      return isSymbol(value) ? [value] : copyArray(stringToPath(toString(value)));
    }

    /**
     * Generates a unique ID. If `prefix` is given, the ID is appended to it.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Util
     * @param {string} [prefix=''] The value to prefix the ID with.
     * @returns {string} Returns the unique ID.
     * @example
     *
     * _.uniqueId('contact_');
     * // => 'contact_104'
     *
     * _.uniqueId();
     * // => '105'
     */
    function uniqueId(prefix) {
      var id = ++idCounter;
      return toString(prefix) + id;
    }

    /*------------------------------------------------------------------------*/

    /**
     * Adds two numbers.
     *
     * @static
     * @memberOf _
     * @since 3.4.0
     * @category Math
     * @param {number} augend The first number in an addition.
     * @param {number} addend The second number in an addition.
     * @returns {number} Returns the total.
     * @example
     *
     * _.add(6, 4);
     * // => 10
     */
    var add = createMathOperation(function(augend, addend) {
      return augend + addend;
    }, 0);

    /**
     * Computes `number` rounded up to `precision`.
     *
     * @static
     * @memberOf _
     * @since 3.10.0
     * @category Math
     * @param {number} number The number to round up.
     * @param {number} [precision=0] The precision to round up to.
     * @returns {number} Returns the rounded up number.
     * @example
     *
     * _.ceil(4.006);
     * // => 5
     *
     * _.ceil(6.004, 2);
     * // => 6.01
     *
     * _.ceil(6040, -2);
     * // => 6100
     */
    var ceil = createRound('ceil');

    /**
     * Divide two numbers.
     *
     * @static
     * @memberOf _
     * @since 4.7.0
     * @category Math
     * @param {number} dividend The first number in a division.
     * @param {number} divisor The second number in a division.
     * @returns {number} Returns the quotient.
     * @example
     *
     * _.divide(6, 4);
     * // => 1.5
     */
    var divide = createMathOperation(function(dividend, divisor) {
      return dividend / divisor;
    }, 1);

    /**
     * Computes `number` rounded down to `precision`.
     *
     * @static
     * @memberOf _
     * @since 3.10.0
     * @category Math
     * @param {number} number The number to round down.
     * @param {number} [precision=0] The precision to round down to.
     * @returns {number} Returns the rounded down number.
     * @example
     *
     * _.floor(4.006);
     * // => 4
     *
     * _.floor(0.046, 2);
     * // => 0.04
     *
     * _.floor(4060, -2);
     * // => 4000
     */
    var floor = createRound('floor');

    /**
     * Computes the maximum value of `array`. If `array` is empty or falsey,
     * `undefined` is returned.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Math
     * @param {Array} array The array to iterate over.
     * @returns {*} Returns the maximum value.
     * @example
     *
     * _.max([4, 2, 8, 6]);
     * // => 8
     *
     * _.max([]);
     * // => undefined
     */
    function max(array) {
      return (array && array.length)
        ? baseExtremum(array, identity, baseGt)
        : undefined;
    }

    /**
     * This method is like `_.max` except that it accepts `iteratee` which is
     * invoked for each element in `array` to generate the criterion by which
     * the value is ranked. The iteratee is invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Math
     * @param {Array} array The array to iterate over.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {*} Returns the maximum value.
     * @example
     *
     * var objects = [{ 'n': 1 }, { 'n': 2 }];
     *
     * _.maxBy(objects, function(o) { return o.n; });
     * // => { 'n': 2 }
     *
     * // The `_.property` iteratee shorthand.
     * _.maxBy(objects, 'n');
     * // => { 'n': 2 }
     */
    function maxBy(array, iteratee) {
      return (array && array.length)
        ? baseExtremum(array, getIteratee(iteratee, 2), baseGt)
        : undefined;
    }

    /**
     * Computes the mean of the values in `array`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Math
     * @param {Array} array The array to iterate over.
     * @returns {number} Returns the mean.
     * @example
     *
     * _.mean([4, 2, 8, 6]);
     * // => 5
     */
    function mean(array) {
      return baseMean(array, identity);
    }

    /**
     * This method is like `_.mean` except that it accepts `iteratee` which is
     * invoked for each element in `array` to generate the value to be averaged.
     * The iteratee is invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.7.0
     * @category Math
     * @param {Array} array The array to iterate over.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {number} Returns the mean.
     * @example
     *
     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];
     *
     * _.meanBy(objects, function(o) { return o.n; });
     * // => 5
     *
     * // The `_.property` iteratee shorthand.
     * _.meanBy(objects, 'n');
     * // => 5
     */
    function meanBy(array, iteratee) {
      return baseMean(array, getIteratee(iteratee, 2));
    }

    /**
     * Computes the minimum value of `array`. If `array` is empty or falsey,
     * `undefined` is returned.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Math
     * @param {Array} array The array to iterate over.
     * @returns {*} Returns the minimum value.
     * @example
     *
     * _.min([4, 2, 8, 6]);
     * // => 2
     *
     * _.min([]);
     * // => undefined
     */
    function min(array) {
      return (array && array.length)
        ? baseExtremum(array, identity, baseLt)
        : undefined;
    }

    /**
     * This method is like `_.min` except that it accepts `iteratee` which is
     * invoked for each element in `array` to generate the criterion by which
     * the value is ranked. The iteratee is invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Math
     * @param {Array} array The array to iterate over.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {*} Returns the minimum value.
     * @example
     *
     * var objects = [{ 'n': 1 }, { 'n': 2 }];
     *
     * _.minBy(objects, function(o) { return o.n; });
     * // => { 'n': 1 }
     *
     * // The `_.property` iteratee shorthand.
     * _.minBy(objects, 'n');
     * // => { 'n': 1 }
     */
    function minBy(array, iteratee) {
      return (array && array.length)
        ? baseExtremum(array, getIteratee(iteratee, 2), baseLt)
        : undefined;
    }

    /**
     * Multiply two numbers.
     *
     * @static
     * @memberOf _
     * @since 4.7.0
     * @category Math
     * @param {number} multiplier The first number in a multiplication.
     * @param {number} multiplicand The second number in a multiplication.
     * @returns {number} Returns the product.
     * @example
     *
     * _.multiply(6, 4);
     * // => 24
     */
    var multiply = createMathOperation(function(multiplier, multiplicand) {
      return multiplier * multiplicand;
    }, 1);

    /**
     * Computes `number` rounded to `precision`.
     *
     * @static
     * @memberOf _
     * @since 3.10.0
     * @category Math
     * @param {number} number The number to round.
     * @param {number} [precision=0] The precision to round to.
     * @returns {number} Returns the rounded number.
     * @example
     *
     * _.round(4.006);
     * // => 4
     *
     * _.round(4.006, 2);
     * // => 4.01
     *
     * _.round(4060, -2);
     * // => 4100
     */
    var round = createRound('round');

    /**
     * Subtract two numbers.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Math
     * @param {number} minuend The first number in a subtraction.
     * @param {number} subtrahend The second number in a subtraction.
     * @returns {number} Returns the difference.
     * @example
     *
     * _.subtract(6, 4);
     * // => 2
     */
    var subtract = createMathOperation(function(minuend, subtrahend) {
      return minuend - subtrahend;
    }, 0);

    /**
     * Computes the sum of the values in `array`.
     *
     * @static
     * @memberOf _
     * @since 3.4.0
     * @category Math
     * @param {Array} array The array to iterate over.
     * @returns {number} Returns the sum.
     * @example
     *
     * _.sum([4, 2, 8, 6]);
     * // => 20
     */
    function sum(array) {
      return (array && array.length)
        ? baseSum(array, identity)
        : 0;
    }

    /**
     * This method is like `_.sum` except that it accepts `iteratee` which is
     * invoked for each element in `array` to generate the value to be summed.
     * The iteratee is invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Math
     * @param {Array} array The array to iterate over.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {number} Returns the sum.
     * @example
     *
     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];
     *
     * _.sumBy(objects, function(o) { return o.n; });
     * // => 20
     *
     * // The `_.property` iteratee shorthand.
     * _.sumBy(objects, 'n');
     * // => 20
     */
    function sumBy(array, iteratee) {
      return (array && array.length)
        ? baseSum(array, getIteratee(iteratee, 2))
        : 0;
    }

    /*------------------------------------------------------------------------*/

    // Add methods that return wrapped values in chain sequences.
    lodash.after = after;
    lodash.ary = ary;
    lodash.assign = assign;
    lodash.assignIn = assignIn;
    lodash.assignInWith = assignInWith;
    lodash.assignWith = assignWith;
    lodash.at = at;
    lodash.before = before;
    lodash.bind = bind;
    lodash.bindAll = bindAll;
    lodash.bindKey = bindKey;
    lodash.castArray = castArray;
    lodash.chain = chain;
    lodash.chunk = chunk;
    lodash.compact = compact;
    lodash.concat = concat;
    lodash.cond = cond;
    lodash.conforms = conforms;
    lodash.constant = constant;
    lodash.countBy = countBy;
    lodash.create = create;
    lodash.curry = curry;
    lodash.curryRight = curryRight;
    lodash.debounce = debounce;
    lodash.defaults = defaults;
    lodash.defaultsDeep = defaultsDeep;
    lodash.defer = defer;
    lodash.delay = delay;
    lodash.difference = difference;
    lodash.differenceBy = differenceBy;
    lodash.differenceWith = differenceWith;
    lodash.drop = drop;
    lodash.dropRight = dropRight;
    lodash.dropRightWhile = dropRightWhile;
    lodash.dropWhile = dropWhile;
    lodash.fill = fill;
    lodash.filter = filter;
    lodash.flatMap = flatMap;
    lodash.flatMapDeep = flatMapDeep;
    lodash.flatMapDepth = flatMapDepth;
    lodash.flatten = flatten;
    lodash.flattenDeep = flattenDeep;
    lodash.flattenDepth = flattenDepth;
    lodash.flip = flip;
    lodash.flow = flow;
    lodash.flowRight = flowRight;
    lodash.fromPairs = fromPairs;
    lodash.functions = functions;
    lodash.functionsIn = functionsIn;
    lodash.groupBy = groupBy;
    lodash.initial = initial;
    lodash.intersection = intersection;
    lodash.intersectionBy = intersectionBy;
    lodash.intersectionWith = intersectionWith;
    lodash.invert = invert;
    lodash.invertBy = invertBy;
    lodash.invokeMap = invokeMap;
    lodash.iteratee = iteratee;
    lodash.keyBy = keyBy;
    lodash.keys = keys;
    lodash.keysIn = keysIn;
    lodash.map = map;
    lodash.mapKeys = mapKeys;
    lodash.mapValues = mapValues;
    lodash.matches = matches;
    lodash.matchesProperty = matchesProperty;
    lodash.memoize = memoize;
    lodash.merge = merge;
    lodash.mergeWith = mergeWith;
    lodash.method = method;
    lodash.methodOf = methodOf;
    lodash.mixin = mixin;
    lodash.negate = negate;
    lodash.nthArg = nthArg;
    lodash.omit = omit;
    lodash.omitBy = omitBy;
    lodash.once = once;
    lodash.orderBy = orderBy;
    lodash.over = over;
    lodash.overArgs = overArgs;
    lodash.overEvery = overEvery;
    lodash.overSome = overSome;
    lodash.partial = partial;
    lodash.partialRight = partialRight;
    lodash.partition = partition;
    lodash.pick = pick;
    lodash.pickBy = pickBy;
    lodash.property = property;
    lodash.propertyOf = propertyOf;
    lodash.pull = pull;
    lodash.pullAll = pullAll;
    lodash.pullAllBy = pullAllBy;
    lodash.pullAllWith = pullAllWith;
    lodash.pullAt = pullAt;
    lodash.range = range;
    lodash.rangeRight = rangeRight;
    lodash.rearg = rearg;
    lodash.reject = reject;
    lodash.remove = remove;
    lodash.rest = rest;
    lodash.reverse = reverse;
    lodash.sampleSize = sampleSize;
    lodash.set = set;
    lodash.setWith = setWith;
    lodash.shuffle = shuffle;
    lodash.slice = slice;
    lodash.sortBy = sortBy;
    lodash.sortedUniq = sortedUniq;
    lodash.sortedUniqBy = sortedUniqBy;
    lodash.split = split;
    lodash.spread = spread;
    lodash.tail = tail;
    lodash.take = take;
    lodash.takeRight = takeRight;
    lodash.takeRightWhile = takeRightWhile;
    lodash.takeWhile = takeWhile;
    lodash.tap = tap;
    lodash.throttle = throttle;
    lodash.thru = thru;
    lodash.toArray = toArray;
    lodash.toPairs = toPairs;
    lodash.toPairsIn = toPairsIn;
    lodash.toPath = toPath;
    lodash.toPlainObject = toPlainObject;
    lodash.transform = transform;
    lodash.unary = unary;
    lodash.union = union;
    lodash.unionBy = unionBy;
    lodash.unionWith = unionWith;
    lodash.uniq = uniq;
    lodash.uniqBy = uniqBy;
    lodash.uniqWith = uniqWith;
    lodash.unset = unset;
    lodash.unzip = unzip;
    lodash.unzipWith = unzipWith;
    lodash.update = update;
    lodash.updateWith = updateWith;
    lodash.values = values;
    lodash.valuesIn = valuesIn;
    lodash.without = without;
    lodash.words = words;
    lodash.wrap = wrap;
    lodash.xor = xor;
    lodash.xorBy = xorBy;
    lodash.xorWith = xorWith;
    lodash.zip = zip;
    lodash.zipObject = zipObject;
    lodash.zipObjectDeep = zipObjectDeep;
    lodash.zipWith = zipWith;

    // Add aliases.
    lodash.entries = toPairs;
    lodash.entriesIn = toPairsIn;
    lodash.extend = assignIn;
    lodash.extendWith = assignInWith;

    // Add methods to `lodash.prototype`.
    mixin(lodash, lodash);

    /*------------------------------------------------------------------------*/

    // Add methods that return unwrapped values in chain sequences.
    lodash.add = add;
    lodash.attempt = attempt;
    lodash.camelCase = camelCase;
    lodash.capitalize = capitalize;
    lodash.ceil = ceil;
    lodash.clamp = clamp;
    lodash.clone = clone;
    lodash.cloneDeep = cloneDeep;
    lodash.cloneDeepWith = cloneDeepWith;
    lodash.cloneWith = cloneWith;
    lodash.conformsTo = conformsTo;
    lodash.deburr = deburr;
    lodash.defaultTo = defaultTo;
    lodash.divide = divide;
    lodash.endsWith = endsWith;
    lodash.eq = eq;
    lodash.escape = escape;
    lodash.escapeRegExp = escapeRegExp;
    lodash.every = every;
    lodash.find = find;
    lodash.findIndex = findIndex;
    lodash.findKey = findKey;
    lodash.findLast = findLast;
    lodash.findLastIndex = findLastIndex;
    lodash.findLastKey = findLastKey;
    lodash.floor = floor;
    lodash.forEach = forEach;
    lodash.forEachRight = forEachRight;
    lodash.forIn = forIn;
    lodash.forInRight = forInRight;
    lodash.forOwn = forOwn;
    lodash.forOwnRight = forOwnRight;
    lodash.get = get;
    lodash.gt = gt;
    lodash.gte = gte;
    lodash.has = has;
    lodash.hasIn = hasIn;
    lodash.head = head;
    lodash.identity = identity;
    lodash.includes = includes;
    lodash.indexOf = indexOf;
    lodash.inRange = inRange;
    lodash.invoke = invoke;
    lodash.isArguments = isArguments;
    lodash.isArray = isArray;
    lodash.isArrayBuffer = isArrayBuffer;
    lodash.isArrayLike = isArrayLike;
    lodash.isArrayLikeObject = isArrayLikeObject;
    lodash.isBoolean = isBoolean;
    lodash.isBuffer = isBuffer;
    lodash.isDate = isDate;
    lodash.isElement = isElement;
    lodash.isEmpty = isEmpty;
    lodash.isEqual = isEqual;
    lodash.isEqualWith = isEqualWith;
    lodash.isError = isError;
    lodash.isFinite = isFinite;
    lodash.isFunction = isFunction;
    lodash.isInteger = isInteger;
    lodash.isLength = isLength;
    lodash.isMap = isMap;
    lodash.isMatch = isMatch;
    lodash.isMatchWith = isMatchWith;
    lodash.isNaN = isNaN;
    lodash.isNative = isNative;
    lodash.isNil = isNil;
    lodash.isNull = isNull;
    lodash.isNumber = isNumber;
    lodash.isObject = isObject;
    lodash.isObjectLike = isObjectLike;
    lodash.isPlainObject = isPlainObject;
    lodash.isRegExp = isRegExp;
    lodash.isSafeInteger = isSafeInteger;
    lodash.isSet = isSet;
    lodash.isString = isString;
    lodash.isSymbol = isSymbol;
    lodash.isTypedArray = isTypedArray;
    lodash.isUndefined = isUndefined;
    lodash.isWeakMap = isWeakMap;
    lodash.isWeakSet = isWeakSet;
    lodash.join = join;
    lodash.kebabCase = kebabCase;
    lodash.last = last;
    lodash.lastIndexOf = lastIndexOf;
    lodash.lowerCase = lowerCase;
    lodash.lowerFirst = lowerFirst;
    lodash.lt = lt;
    lodash.lte = lte;
    lodash.max = max;
    lodash.maxBy = maxBy;
    lodash.mean = mean;
    lodash.meanBy = meanBy;
    lodash.min = min;
    lodash.minBy = minBy;
    lodash.stubArray = stubArray;
    lodash.stubFalse = stubFalse;
    lodash.stubObject = stubObject;
    lodash.stubString = stubString;
    lodash.stubTrue = stubTrue;
    lodash.multiply = multiply;
    lodash.nth = nth;
    lodash.noConflict = noConflict;
    lodash.noop = noop;
    lodash.now = now;
    lodash.pad = pad;
    lodash.padEnd = padEnd;
    lodash.padStart = padStart;
    lodash.parseInt = parseInt;
    lodash.random = random;
    lodash.reduce = reduce;
    lodash.reduceRight = reduceRight;
    lodash.repeat = repeat;
    lodash.replace = replace;
    lodash.result = result;
    lodash.round = round;
    lodash.runInContext = runInContext;
    lodash.sample = sample;
    lodash.size = size;
    lodash.snakeCase = snakeCase;
    lodash.some = some;
    lodash.sortedIndex = sortedIndex;
    lodash.sortedIndexBy = sortedIndexBy;
    lodash.sortedIndexOf = sortedIndexOf;
    lodash.sortedLastIndex = sortedLastIndex;
    lodash.sortedLastIndexBy = sortedLastIndexBy;
    lodash.sortedLastIndexOf = sortedLastIndexOf;
    lodash.startCase = startCase;
    lodash.startsWith = startsWith;
    lodash.subtract = subtract;
    lodash.sum = sum;
    lodash.sumBy = sumBy;
    lodash.template = template;
    lodash.times = times;
    lodash.toFinite = toFinite;
    lodash.toInteger = toInteger;
    lodash.toLength = toLength;
    lodash.toLower = toLower;
    lodash.toNumber = toNumber;
    lodash.toSafeInteger = toSafeInteger;
    lodash.toString = toString;
    lodash.toUpper = toUpper;
    lodash.trim = trim;
    lodash.trimEnd = trimEnd;
    lodash.trimStart = trimStart;
    lodash.truncate = truncate;
    lodash.unescape = unescape;
    lodash.uniqueId = uniqueId;
    lodash.upperCase = upperCase;
    lodash.upperFirst = upperFirst;

    // Add aliases.
    lodash.each = forEach;
    lodash.eachRight = forEachRight;
    lodash.first = head;

    mixin(lodash, (function() {
      var source = {};
      baseForOwn(lodash, function(func, methodName) {
        if (!hasOwnProperty.call(lodash.prototype, methodName)) {
          source[methodName] = func;
        }
      });
      return source;
    }()), { 'chain': false });

    /*------------------------------------------------------------------------*/

    /**
     * The semantic version number.
     *
     * @static
     * @memberOf _
     * @type {string}
     */
    lodash.VERSION = VERSION;

    // Assign default placeholders.
    arrayEach(['bind', 'bindKey', 'curry', 'curryRight', 'partial', 'partialRight'], function(methodName) {
      lodash[methodName].placeholder = lodash;
    });

    // Add `LazyWrapper` methods for `_.drop` and `_.take` variants.
    arrayEach(['drop', 'take'], function(methodName, index) {
      LazyWrapper.prototype[methodName] = function(n) {
        n = n === undefined ? 1 : nativeMax(toInteger(n), 0);

        var result = (this.__filtered__ && !index)
          ? new LazyWrapper(this)
          : this.clone();

        if (result.__filtered__) {
          result.__takeCount__ = nativeMin(n, result.__takeCount__);
        } else {
          result.__views__.push({
            'size': nativeMin(n, MAX_ARRAY_LENGTH),
            'type': methodName + (result.__dir__ < 0 ? 'Right' : '')
          });
        }
        return result;
      };

      LazyWrapper.prototype[methodName + 'Right'] = function(n) {
        return this.reverse()[methodName](n).reverse();
      };
    });

    // Add `LazyWrapper` methods that accept an `iteratee` value.
    arrayEach(['filter', 'map', 'takeWhile'], function(methodName, index) {
      var type = index + 1,
          isFilter = type == LAZY_FILTER_FLAG || type == LAZY_WHILE_FLAG;

      LazyWrapper.prototype[methodName] = function(iteratee) {
        var result = this.clone();
        result.__iteratees__.push({
          'iteratee': getIteratee(iteratee, 3),
          'type': type
        });
        result.__filtered__ = result.__filtered__ || isFilter;
        return result;
      };
    });

    // Add `LazyWrapper` methods for `_.head` and `_.last`.
    arrayEach(['head', 'last'], function(methodName, index) {
      var takeName = 'take' + (index ? 'Right' : '');

      LazyWrapper.prototype[methodName] = function() {
        return this[takeName](1).value()[0];
      };
    });

    // Add `LazyWrapper` methods for `_.initial` and `_.tail`.
    arrayEach(['initial', 'tail'], function(methodName, index) {
      var dropName = 'drop' + (index ? '' : 'Right');

      LazyWrapper.prototype[methodName] = function() {
        return this.__filtered__ ? new LazyWrapper(this) : this[dropName](1);
      };
    });

    LazyWrapper.prototype.compact = function() {
      return this.filter(identity);
    };

    LazyWrapper.prototype.find = function(predicate) {
      return this.filter(predicate).head();
    };

    LazyWrapper.prototype.findLast = function(predicate) {
      return this.reverse().find(predicate);
    };

    LazyWrapper.prototype.invokeMap = baseRest(function(path, args) {
      if (typeof path == 'function') {
        return new LazyWrapper(this);
      }
      return this.map(function(value) {
        return baseInvoke(value, path, args);
      });
    });

    LazyWrapper.prototype.reject = function(predicate) {
      return this.filter(negate(getIteratee(predicate)));
    };

    LazyWrapper.prototype.slice = function(start, end) {
      start = toInteger(start);

      var result = this;
      if (result.__filtered__ && (start > 0 || end < 0)) {
        return new LazyWrapper(result);
      }
      if (start < 0) {
        result = result.takeRight(-start);
      } else if (start) {
        result = result.drop(start);
      }
      if (end !== undefined) {
        end = toInteger(end);
        result = end < 0 ? result.dropRight(-end) : result.take(end - start);
      }
      return result;
    };

    LazyWrapper.prototype.takeRightWhile = function(predicate) {
      return this.reverse().takeWhile(predicate).reverse();
    };

    LazyWrapper.prototype.toArray = function() {
      return this.take(MAX_ARRAY_LENGTH);
    };

    // Add `LazyWrapper` methods to `lodash.prototype`.
    baseForOwn(LazyWrapper.prototype, function(func, methodName) {
      var checkIteratee = /^(?:filter|find|map|reject)|While$/.test(methodName),
          isTaker = /^(?:head|last)$/.test(methodName),
          lodashFunc = lodash[isTaker ? ('take' + (methodName == 'last' ? 'Right' : '')) : methodName],
          retUnwrapped = isTaker || /^find/.test(methodName);

      if (!lodashFunc) {
        return;
      }
      lodash.prototype[methodName] = function() {
        var value = this.__wrapped__,
            args = isTaker ? [1] : arguments,
            isLazy = value instanceof LazyWrapper,
            iteratee = args[0],
            useLazy = isLazy || isArray(value);

        var interceptor = function(value) {
          var result = lodashFunc.apply(lodash, arrayPush([value], args));
          return (isTaker && chainAll) ? result[0] : result;
        };

        if (useLazy && checkIteratee && typeof iteratee == 'function' && iteratee.length != 1) {
          // Avoid lazy use if the iteratee has a "length" value other than `1`.
          isLazy = useLazy = false;
        }
        var chainAll = this.__chain__,
            isHybrid = !!this.__actions__.length,
            isUnwrapped = retUnwrapped && !chainAll,
            onlyLazy = isLazy && !isHybrid;

        if (!retUnwrapped && useLazy) {
          value = onlyLazy ? value : new LazyWrapper(this);
          var result = func.apply(value, args);
          result.__actions__.push({ 'func': thru, 'args': [interceptor], 'thisArg': undefined });
          return new LodashWrapper(result, chainAll);
        }
        if (isUnwrapped && onlyLazy) {
          return func.apply(this, args);
        }
        result = this.thru(interceptor);
        return isUnwrapped ? (isTaker ? result.value()[0] : result.value()) : result;
      };
    });

    // Add `Array` methods to `lodash.prototype`.
    arrayEach(['pop', 'push', 'shift', 'sort', 'splice', 'unshift'], function(methodName) {
      var func = arrayProto[methodName],
          chainName = /^(?:push|sort|unshift)$/.test(methodName) ? 'tap' : 'thru',
          retUnwrapped = /^(?:pop|shift)$/.test(methodName);

      lodash.prototype[methodName] = function() {
        var args = arguments;
        if (retUnwrapped && !this.__chain__) {
          var value = this.value();
          return func.apply(isArray(value) ? value : [], args);
        }
        return this[chainName](function(value) {
          return func.apply(isArray(value) ? value : [], args);
        });
      };
    });

    // Map minified method names to their real names.
    baseForOwn(LazyWrapper.prototype, function(func, methodName) {
      var lodashFunc = lodash[methodName];
      if (lodashFunc) {
        var key = (lodashFunc.name + ''),
            names = realNames[key] || (realNames[key] = []);

        names.push({ 'name': methodName, 'func': lodashFunc });
      }
    });

    realNames[createHybrid(undefined, WRAP_BIND_KEY_FLAG).name] = [{
      'name': 'wrapper',
      'func': undefined
    }];

    // Add methods to `LazyWrapper`.
    LazyWrapper.prototype.clone = lazyClone;
    LazyWrapper.prototype.reverse = lazyReverse;
    LazyWrapper.prototype.value = lazyValue;

    // Add chain sequence methods to the `lodash` wrapper.
    lodash.prototype.at = wrapperAt;
    lodash.prototype.chain = wrapperChain;
    lodash.prototype.commit = wrapperCommit;
    lodash.prototype.next = wrapperNext;
    lodash.prototype.plant = wrapperPlant;
    lodash.prototype.reverse = wrapperReverse;
    lodash.prototype.toJSON = lodash.prototype.valueOf = lodash.prototype.value = wrapperValue;

    // Add lazy aliases.
    lodash.prototype.first = lodash.prototype.head;

    if (symIterator) {
      lodash.prototype[symIterator] = wrapperToIterator;
    }
    return lodash;
  });

  /*--------------------------------------------------------------------------*/

  // Export lodash.
  var _ = runInContext();

  // Some AMD build optimizers, like r.js, check for condition patterns like:
  if (true) {
    // Expose Lodash on the global object to prevent errors when Lodash is
    // loaded by a script tag in the presence of an AMD loader.
    // See http://requirejs.org/docs/errors.html#mismatch for more details.
    // Use `_.noConflict` to remove Lodash from the global object.
    root._ = _;

    // Define as an anonymous module so, through path mapping, it can be
    // referenced as the "underscore" module.
    !(__WEBPACK_AMD_DEFINE_RESULT__ = (function() {
      return _;
    }).call(exports, __webpack_require__, exports, module),
				__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
  }
  // Check for `exports` after `define` in case a build optimizer adds it.
  else {}
}.call(this));

/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(/*! ./../webpack/buildin/global.js */ "./node_modules/webpack/buildin/global.js"), __webpack_require__(/*! ./../webpack/buildin/module.js */ "./node_modules/webpack/buildin/module.js")(module)))

/***/ }),

/***/ "./node_modules/lodash/toString.js":
/*!*****************************************!*\
  !*** ./node_modules/lodash/toString.js ***!
  \*****************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var baseToString = __webpack_require__(/*! ./_baseToString */ "./node_modules/lodash/_baseToString.js");

/**
 * Converts `value` to a string. An empty string is returned for `null`
 * and `undefined` values. The sign of `-0` is preserved.
 *
 * @static
 * @memberOf _
 * @since 4.0.0
 * @category Lang
 * @param {*} value The value to convert.
 * @returns {string} Returns the converted string.
 * @example
 *
 * _.toString(null);
 * // => ''
 *
 * _.toString(-0);
 * // => '-0'
 *
 * _.toString([1, 2, 3]);
 * // => '1,2,3'
 */
function toString(value) {
  return value == null ? '' : baseToString(value);
}

module.exports = toString;


/***/ }),

/***/ "./node_modules/moment/locale/af.js":
/*!******************************************!*\
  !*** ./node_modules/moment/locale/af.js ***!
  \******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

//! moment.js locale configuration
//! locale : Afrikaans [af]
//! author : Werner Mollentze : https://github.com/wernerm

;(function (global, factory) {
    true ? factory(__webpack_require__(/*! ../moment */ "./node_modules/moment/moment.js")) :
   undefined
}(this, (function (moment) { 'use strict';


var af = moment.defineLocale('af', {
    months : 'Januarie_Februarie_Maart_April_Mei_Junie_Julie_Augustus_September_Oktober_November_Desember'.split('_'),
    monthsShort : 'Jan_Feb_Mrt_Apr_Mei_Jun_Jul_Aug_Sep_Okt_Nov_Des'.split('_'),
    weekdays : 'Sondag_Maandag_Dinsdag_Woensdag_Donderdag_Vrydag_Saterdag'.split('_'),
    weekdaysShort : 'Son_Maa_Din_Woe_Don_Vry_Sat'.split('_'),
    weekdaysMin : 'So_Ma_Di_Wo_Do_Vr_Sa'.split('_'),
    meridiemParse: /vm|nm/i,
    isPM : function (input) {
        return /^nm$/i.test(input);
    },
    meridiem : function (hours, minutes, isLower) {
        if (hours < 12) {
            return isLower ? 'vm' : 'VM';
        } else {
            return isLower ? 'nm' : 'NM';
        }
    },
    longDateFormat : {
        LT : 'HH:mm',
        LTS : 'HH:mm:ss',
        L : 'DD/MM/YYYY',
        LL : 'D MMMM YYYY',
        LLL : 'D MMMM YYYY HH:mm',
        LLLL : 'dddd, D MMMM YYYY HH:mm'
    },
    calendar : {
        sameDay : '[Vandag om] LT',
        nextDay : '[Môre om] LT',
        nextWeek : 'dddd [om] LT',
        lastDay : '[Gister om] LT',
        lastWeek : '[Laas] dddd [om] LT',
        sameElse : 'L'
    },
    relativeTime : {
        future : 'oor %s',
        past : '%s gelede',
        s : '\'n paar sekondes',
        m : '\'n minuut',
        mm : '%d minute',
        h : '\'n uur',
        hh : '%d ure',
        d : '\'n dag',
        dd : '%d dae',
        M : '\'n maand',
        MM : '%d maande',
        y : '\'n jaar',
        yy : '%d jaar'
    },
    dayOfMonthOrdinalParse: /\d{1,2}(ste|de)/,
    ordinal : function (number) {
        return number + ((number === 1 || number === 8 || number >= 20) ? 'ste' : 'de'); // Thanks to Joris Röling : https://github.com/jjupiter
    },
    week : {
        dow : 1, // Maandag is die eerste dag van die week.
        doy : 4  // Die week wat die 4de Januarie bevat is die eerste week van die jaar.
    }
});

return af;

})));


/***/ }),

/***/ "./node_modules/moment/locale/ar.js":
/*!******************************************!*\
  !*** ./node_modules/moment/locale/ar.js ***!
  \******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

//! moment.js locale configuration
//! locale : Arabic [ar]
//! author : Abdel Said: https://github.com/abdelsaid
//! author : Ahmed Elkhatib
//! author : forabi https://github.com/forabi

;(function (global, factory) {
    true ? factory(__webpack_require__(/*! ../moment */ "./node_modules/moment/moment.js")) :
   undefined
}(this, (function (moment) { 'use strict';


var symbolMap = {
    '1': '١',
    '2': '٢',
    '3': '٣',
    '4': '٤',
    '5': '٥',
    '6': '٦',
    '7': '٧',
    '8': '٨',
    '9': '٩',
    '0': '٠'
};
var numberMap = {
    '١': '1',
    '٢': '2',
    '٣': '3',
    '٤': '4',
    '٥': '5',
    '٦': '6',
    '٧': '7',
    '٨': '8',
    '٩': '9',
    '٠': '0'
};
var pluralForm = function (n) {
    return n === 0 ? 0 : n === 1 ? 1 : n === 2 ? 2 : n % 100 >= 3 && n % 100 <= 10 ? 3 : n % 100 >= 11 ? 4 : 5;
};
var plurals = {
    s : ['أقل من ثانية', 'ثانية واحدة', ['ثانيتان', 'ثانيتين'], '%d ثوان', '%d ثانية', '%d ثانية'],
    m : ['أقل من دقيقة', 'دقيقة واحدة', ['دقيقتان', 'دقيقتين'], '%d دقائق', '%d دقيقة', '%d دقيقة'],
    h : ['أقل من ساعة', 'ساعة واحدة', ['ساعتان', 'ساعتين'], '%d ساعات', '%d ساعة', '%d ساعة'],
    d : ['أقل من يوم', 'يوم واحد', ['يومان', 'يومين'], '%d أيام', '%d يومًا', '%d يوم'],
    M : ['أقل من شهر', 'شهر واحد', ['شهران', 'شهرين'], '%d أشهر', '%d شهرا', '%d شهر'],
    y : ['أقل من عام', 'عام واحد', ['عامان', 'عامين'], '%d أعوام', '%d عامًا', '%d عام']
};
var pluralize = function (u) {
    return function (number, withoutSuffix, string, isFuture) {
        var f = pluralForm(number),
            str = plurals[u][pluralForm(number)];
        if (f === 2) {
            str = str[withoutSuffix ? 0 : 1];
        }
        return str.replace(/%d/i, number);
    };
};
var months = [
    'كانون الثاني يناير',
    'شباط فبراير',
    'آذار مارس',
    'نيسان أبريل',
    'أيار مايو',
    'حزيران يونيو',
    'تموز يوليو',
    'آب أغسطس',
    'أيلول سبتمبر',
    'تشرين الأول أكتوبر',
    'تشرين الثاني نوفمبر',
    'كانون الأول ديسمبر'
];

var ar = moment.defineLocale('ar', {
    months : months,
    monthsShort : months,
    weekdays : 'الأحد_الإثنين_الثلاثاء_الأربعاء_الخميس_الجمعة_السبت'.split('_'),
    weekdaysShort : 'أحد_إثنين_ثلاثاء_أربعاء_خميس_جمعة_سبت'.split('_'),
    weekdaysMin : 'ح_ن_ث_ر_خ_ج_س'.split('_'),
    weekdaysParseExact : true,
    longDateFormat : {
        LT : 'HH:mm',
        LTS : 'HH:mm:ss',
        L : 'D/\u200FM/\u200FYYYY',
        LL : 'D MMMM YYYY',
        LLL : 'D MMMM YYYY HH:mm',
        LLLL : 'dddd D MMMM YYYY HH:mm'
    },
    meridiemParse: /ص|م/,
    isPM : function (input) {
        return 'م' === input;
    },
    meridiem : function (hour, minute, isLower) {
        if (hour < 12) {
            return 'ص';
        } else {
            return 'م';
        }
    },
    calendar : {
        sameDay: '[اليوم عند الساعة] LT',
        nextDay: '[غدًا عند الساعة] LT',
        nextWeek: 'dddd [عند الساعة] LT',
        lastDay: '[أمس عند الساعة] LT',
        lastWeek: 'dddd [عند الساعة] LT',
        sameElse: 'L'
    },
    relativeTime : {
        future : 'بعد %s',
        past : 'منذ %s',
        s : pluralize('s'),
        m : pluralize('m'),
        mm : pluralize('m'),
        h : pluralize('h'),
        hh : pluralize('h'),
        d : pluralize('d'),
        dd : pluralize('d'),
        M : pluralize('M'),
        MM : pluralize('M'),
        y : pluralize('y'),
        yy : pluralize('y')
    },
    preparse: function (string) {
        return string.replace(/[١٢٣٤٥٦٧٨٩٠]/g, function (match) {
            return numberMap[match];
        }).replace(/،/g, ',');
    },
    postformat: function (string) {
        return string.replace(/\d/g, function (match) {
            return symbolMap[match];
        }).replace(/,/g, '،');
    },
    week : {
        dow : 6, // Saturday is the first day of the week.
        doy : 12  // The week that contains Jan 1st is the first week of the year.
    }
});

return ar;

})));


/***/ }),

/***/ "./node_modules/moment/locale/bg.js":
/*!******************************************!*\
  !*** ./node_modules/moment/locale/bg.js ***!
  \******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

//! moment.js locale configuration
//! locale : Bulgarian [bg]
//! author : Krasen Borisov : https://github.com/kraz

;(function (global, factory) {
    true ? factory(__webpack_require__(/*! ../moment */ "./node_modules/moment/moment.js")) :
   undefined
}(this, (function (moment) { 'use strict';


var bg = moment.defineLocale('bg', {
    months : 'януари_февруари_март_април_май_юни_юли_август_септември_октомври_ноември_декември'.split('_'),
    monthsShort : 'янр_фев_мар_апр_май_юни_юли_авг_сеп_окт_ное_дек'.split('_'),
    weekdays : 'неделя_понеделник_вторник_сряда_четвъртък_петък_събота'.split('_'),
    weekdaysShort : 'нед_пон_вто_сря_чет_пет_съб'.split('_'),
    weekdaysMin : 'нд_пн_вт_ср_чт_пт_сб'.split('_'),
    longDateFormat : {
        LT : 'H:mm',
        LTS : 'H:mm:ss',
        L : 'D.MM.YYYY',
        LL : 'D MMMM YYYY',
        LLL : 'D MMMM YYYY H:mm',
        LLLL : 'dddd, D MMMM YYYY H:mm'
    },
    calendar : {
        sameDay : '[Днес в] LT',
        nextDay : '[Утре в] LT',
        nextWeek : 'dddd [в] LT',
        lastDay : '[Вчера в] LT',
        lastWeek : function () {
            switch (this.day()) {
                case 0:
                case 3:
                case 6:
                    return '[В изминалата] dddd [в] LT';
                case 1:
                case 2:
                case 4:
                case 5:
                    return '[В изминалия] dddd [в] LT';
            }
        },
        sameElse : 'L'
    },
    relativeTime : {
        future : 'след %s',
        past : 'преди %s',
        s : 'няколко секунди',
        m : 'минута',
        mm : '%d минути',
        h : 'час',
        hh : '%d часа',
        d : 'ден',
        dd : '%d дни',
        M : 'месец',
        MM : '%d месеца',
        y : 'година',
        yy : '%d години'
    },
    dayOfMonthOrdinalParse: /\d{1,2}-(ев|ен|ти|ви|ри|ми)/,
    ordinal : function (number) {
        var lastDigit = number % 10,
            last2Digits = number % 100;
        if (number === 0) {
            return number + '-ев';
        } else if (last2Digits === 0) {
            return number + '-ен';
        } else if (last2Digits > 10 && last2Digits < 20) {
            return number + '-ти';
        } else if (lastDigit === 1) {
            return number + '-ви';
        } else if (lastDigit === 2) {
            return number + '-ри';
        } else if (lastDigit === 7 || lastDigit === 8) {
            return number + '-ми';
        } else {
            return number + '-ти';
        }
    },
    week : {
        dow : 1, // Monday is the first day of the week.
        doy : 7  // The week that contains Jan 1st is the first week of the year.
    }
});

return bg;

})));


/***/ }),

/***/ "./node_modules/moment/locale/ca.js":
/*!******************************************!*\
  !*** ./node_modules/moment/locale/ca.js ***!
  \******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

//! moment.js locale configuration
//! locale : Catalan [ca]
//! author : Juan G. Hurtado : https://github.com/juanghurtado

;(function (global, factory) {
    true ? factory(__webpack_require__(/*! ../moment */ "./node_modules/moment/moment.js")) :
   undefined
}(this, (function (moment) { 'use strict';


var ca = moment.defineLocale('ca', {
    months : {
        standalone: 'gener_febrer_març_abril_maig_juny_juliol_agost_setembre_octubre_novembre_desembre'.split('_'),
        format: 'de gener_de febrer_de març_d\'abril_de maig_de juny_de juliol_d\'agost_de setembre_d\'octubre_de novembre_de desembre'.split('_'),
        isFormat: /D[oD]?(\s)+MMMM/
    },
    monthsShort : 'gen._febr._març_abr._maig_juny_jul._ag._set._oct._nov._des.'.split('_'),
    monthsParseExact : true,
    weekdays : 'diumenge_dilluns_dimarts_dimecres_dijous_divendres_dissabte'.split('_'),
    weekdaysShort : 'dg._dl._dt._dc._dj._dv._ds.'.split('_'),
    weekdaysMin : 'dg_dl_dt_dc_dj_dv_ds'.split('_'),
    weekdaysParseExact : true,
    longDateFormat : {
        LT : 'H:mm',
        LTS : 'H:mm:ss',
        L : 'DD/MM/YYYY',
        LL : 'D MMMM [de] YYYY',
        ll : 'D MMM YYYY',
        LLL : 'D MMMM [de] YYYY [a les] H:mm',
        lll : 'D MMM YYYY, H:mm',
        LLLL : 'dddd D MMMM [de] YYYY [a les] H:mm',
        llll : 'ddd D MMM YYYY, H:mm'
    },
    calendar : {
        sameDay : function () {
            return '[avui a ' + ((this.hours() !== 1) ? 'les' : 'la') + '] LT';
        },
        nextDay : function () {
            return '[demà a ' + ((this.hours() !== 1) ? 'les' : 'la') + '] LT';
        },
        nextWeek : function () {
            return 'dddd [a ' + ((this.hours() !== 1) ? 'les' : 'la') + '] LT';
        },
        lastDay : function () {
            return '[ahir a ' + ((this.hours() !== 1) ? 'les' : 'la') + '] LT';
        },
        lastWeek : function () {
            return '[el] dddd [passat a ' + ((this.hours() !== 1) ? 'les' : 'la') + '] LT';
        },
        sameElse : 'L'
    },
    relativeTime : {
        future : 'd\'aquí %s',
        past : 'fa %s',
        s : 'uns segons',
        m : 'un minut',
        mm : '%d minuts',
        h : 'una hora',
        hh : '%d hores',
        d : 'un dia',
        dd : '%d dies',
        M : 'un mes',
        MM : '%d mesos',
        y : 'un any',
        yy : '%d anys'
    },
    dayOfMonthOrdinalParse: /\d{1,2}(r|n|t|è|a)/,
    ordinal : function (number, period) {
        var output = (number === 1) ? 'r' :
            (number === 2) ? 'n' :
            (number === 3) ? 'r' :
            (number === 4) ? 't' : 'è';
        if (period === 'w' || period === 'W') {
            output = 'a';
        }
        return number + output;
    },
    week : {
        dow : 1, // Monday is the first day of the week.
        doy : 4  // The week that contains Jan 4th is the first week of the year.
    }
});

return ca;

})));


/***/ }),

/***/ "./node_modules/moment/locale/cs.js":
/*!******************************************!*\
  !*** ./node_modules/moment/locale/cs.js ***!
  \******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

//! moment.js locale configuration
//! locale : Czech [cs]
//! author : petrbela : https://github.com/petrbela

;(function (global, factory) {
    true ? factory(__webpack_require__(/*! ../moment */ "./node_modules/moment/moment.js")) :
   undefined
}(this, (function (moment) { 'use strict';


var months = 'leden_únor_březen_duben_květen_červen_červenec_srpen_září_říjen_listopad_prosinec'.split('_');
var monthsShort = 'led_úno_bře_dub_kvě_čvn_čvc_srp_zář_říj_lis_pro'.split('_');
function plural(n) {
    return (n > 1) && (n < 5) && (~~(n / 10) !== 1);
}
function translate(number, withoutSuffix, key, isFuture) {
    var result = number + ' ';
    switch (key) {
        case 's':  // a few seconds / in a few seconds / a few seconds ago
            return (withoutSuffix || isFuture) ? 'pár sekund' : 'pár sekundami';
        case 'm':  // a minute / in a minute / a minute ago
            return withoutSuffix ? 'minuta' : (isFuture ? 'minutu' : 'minutou');
        case 'mm': // 9 minutes / in 9 minutes / 9 minutes ago
            if (withoutSuffix || isFuture) {
                return result + (plural(number) ? 'minuty' : 'minut');
            } else {
                return result + 'minutami';
            }
            break;
        case 'h':  // an hour / in an hour / an hour ago
            return withoutSuffix ? 'hodina' : (isFuture ? 'hodinu' : 'hodinou');
        case 'hh': // 9 hours / in 9 hours / 9 hours ago
            if (withoutSuffix || isFuture) {
                return result + (plural(number) ? 'hodiny' : 'hodin');
            } else {
                return result + 'hodinami';
            }
            break;
        case 'd':  // a day / in a day / a day ago
            return (withoutSuffix || isFuture) ? 'den' : 'dnem';
        case 'dd': // 9 days / in 9 days / 9 days ago
            if (withoutSuffix || isFuture) {
                return result + (plural(number) ? 'dny' : 'dní');
            } else {
                return result + 'dny';
            }
            break;
        case 'M':  // a month / in a month / a month ago
            return (withoutSuffix || isFuture) ? 'měsíc' : 'měsícem';
        case 'MM': // 9 months / in 9 months / 9 months ago
            if (withoutSuffix || isFuture) {
                return result + (plural(number) ? 'měsíce' : 'měsíců');
            } else {
                return result + 'měsíci';
            }
            break;
        case 'y':  // a year / in a year / a year ago
            return (withoutSuffix || isFuture) ? 'rok' : 'rokem';
        case 'yy': // 9 years / in 9 years / 9 years ago
            if (withoutSuffix || isFuture) {
                return result + (plural(number) ? 'roky' : 'let');
            } else {
                return result + 'lety';
            }
            break;
    }
}

var cs = moment.defineLocale('cs', {
    months : months,
    monthsShort : monthsShort,
    monthsParse : (function (months, monthsShort) {
        var i, _monthsParse = [];
        for (i = 0; i < 12; i++) {
            // use custom parser to solve problem with July (červenec)
            _monthsParse[i] = new RegExp('^' + months[i] + '$|^' + monthsShort[i] + '$', 'i');
        }
        return _monthsParse;
    }(months, monthsShort)),
    shortMonthsParse : (function (monthsShort) {
        var i, _shortMonthsParse = [];
        for (i = 0; i < 12; i++) {
            _shortMonthsParse[i] = new RegExp('^' + monthsShort[i] + '$', 'i');
        }
        return _shortMonthsParse;
    }(monthsShort)),
    longMonthsParse : (function (months) {
        var i, _longMonthsParse = [];
        for (i = 0; i < 12; i++) {
            _longMonthsParse[i] = new RegExp('^' + months[i] + '$', 'i');
        }
        return _longMonthsParse;
    }(months)),
    weekdays : 'neděle_pondělí_úterý_středa_čtvrtek_pátek_sobota'.split('_'),
    weekdaysShort : 'ne_po_út_st_čt_pá_so'.split('_'),
    weekdaysMin : 'ne_po_út_st_čt_pá_so'.split('_'),
    longDateFormat : {
        LT: 'H:mm',
        LTS : 'H:mm:ss',
        L : 'DD.MM.YYYY',
        LL : 'D. MMMM YYYY',
        LLL : 'D. MMMM YYYY H:mm',
        LLLL : 'dddd D. MMMM YYYY H:mm',
        l : 'D. M. YYYY'
    },
    calendar : {
        sameDay: '[dnes v] LT',
        nextDay: '[zítra v] LT',
        nextWeek: function () {
            switch (this.day()) {
                case 0:
                    return '[v neděli v] LT';
                case 1:
                case 2:
                    return '[v] dddd [v] LT';
                case 3:
                    return '[ve středu v] LT';
                case 4:
                    return '[ve čtvrtek v] LT';
                case 5:
                    return '[v pátek v] LT';
                case 6:
                    return '[v sobotu v] LT';
            }
        },
        lastDay: '[včera v] LT',
        lastWeek: function () {
            switch (this.day()) {
                case 0:
                    return '[minulou neděli v] LT';
                case 1:
                case 2:
                    return '[minulé] dddd [v] LT';
                case 3:
                    return '[minulou středu v] LT';
                case 4:
                case 5:
                    return '[minulý] dddd [v] LT';
                case 6:
                    return '[minulou sobotu v] LT';
            }
        },
        sameElse: 'L'
    },
    relativeTime : {
        future : 'za %s',
        past : 'před %s',
        s : translate,
        m : translate,
        mm : translate,
        h : translate,
        hh : translate,
        d : translate,
        dd : translate,
        M : translate,
        MM : translate,
        y : translate,
        yy : translate
    },
    dayOfMonthOrdinalParse : /\d{1,2}\./,
    ordinal : '%d.',
    week : {
        dow : 1, // Monday is the first day of the week.
        doy : 4  // The week that contains Jan 4th is the first week of the year.
    }
});

return cs;

})));


/***/ }),

/***/ "./node_modules/moment/locale/de.js":
/*!******************************************!*\
  !*** ./node_modules/moment/locale/de.js ***!
  \******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

//! moment.js locale configuration
//! locale : German [de]
//! author : lluchs : https://github.com/lluchs
//! author: Menelion Elensúle: https://github.com/Oire
//! author : Mikolaj Dadela : https://github.com/mik01aj

;(function (global, factory) {
    true ? factory(__webpack_require__(/*! ../moment */ "./node_modules/moment/moment.js")) :
   undefined
}(this, (function (moment) { 'use strict';


function processRelativeTime(number, withoutSuffix, key, isFuture) {
    var format = {
        'm': ['eine Minute', 'einer Minute'],
        'h': ['eine Stunde', 'einer Stunde'],
        'd': ['ein Tag', 'einem Tag'],
        'dd': [number + ' Tage', number + ' Tagen'],
        'M': ['ein Monat', 'einem Monat'],
        'MM': [number + ' Monate', number + ' Monaten'],
        'y': ['ein Jahr', 'einem Jahr'],
        'yy': [number + ' Jahre', number + ' Jahren']
    };
    return withoutSuffix ? format[key][0] : format[key][1];
}

var de = moment.defineLocale('de', {
    months : 'Januar_Februar_März_April_Mai_Juni_Juli_August_September_Oktober_November_Dezember'.split('_'),
    monthsShort : 'Jan._Feb._März_Apr._Mai_Juni_Juli_Aug._Sep._Okt._Nov._Dez.'.split('_'),
    monthsParseExact : true,
    weekdays : 'Sonntag_Montag_Dienstag_Mittwoch_Donnerstag_Freitag_Samstag'.split('_'),
    weekdaysShort : 'So._Mo._Di._Mi._Do._Fr._Sa.'.split('_'),
    weekdaysMin : 'So_Mo_Di_Mi_Do_Fr_Sa'.split('_'),
    weekdaysParseExact : true,
    longDateFormat : {
        LT: 'HH:mm',
        LTS: 'HH:mm:ss',
        L : 'DD.MM.YYYY',
        LL : 'D. MMMM YYYY',
        LLL : 'D. MMMM YYYY HH:mm',
        LLLL : 'dddd, D. MMMM YYYY HH:mm'
    },
    calendar : {
        sameDay: '[heute um] LT [Uhr]',
        sameElse: 'L',
        nextDay: '[morgen um] LT [Uhr]',
        nextWeek: 'dddd [um] LT [Uhr]',
        lastDay: '[gestern um] LT [Uhr]',
        lastWeek: '[letzten] dddd [um] LT [Uhr]'
    },
    relativeTime : {
        future : 'in %s',
        past : 'vor %s',
        s : 'ein paar Sekunden',
        m : processRelativeTime,
        mm : '%d Minuten',
        h : processRelativeTime,
        hh : '%d Stunden',
        d : processRelativeTime,
        dd : processRelativeTime,
        M : processRelativeTime,
        MM : processRelativeTime,
        y : processRelativeTime,
        yy : processRelativeTime
    },
    dayOfMonthOrdinalParse: /\d{1,2}\./,
    ordinal : '%d.',
    week : {
        dow : 1, // Monday is the first day of the week.
        doy : 4  // The week that contains Jan 4th is the first week of the year.
    }
});

return de;

})));


/***/ }),

/***/ "./node_modules/moment/locale/es.js":
/*!******************************************!*\
  !*** ./node_modules/moment/locale/es.js ***!
  \******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

//! moment.js locale configuration
//! locale : Spanish [es]
//! author : Julio Napurí : https://github.com/julionc

;(function (global, factory) {
    true ? factory(__webpack_require__(/*! ../moment */ "./node_modules/moment/moment.js")) :
   undefined
}(this, (function (moment) { 'use strict';


var monthsShortDot = 'ene._feb._mar._abr._may._jun._jul._ago._sep._oct._nov._dic.'.split('_');
var monthsShort = 'ene_feb_mar_abr_may_jun_jul_ago_sep_oct_nov_dic'.split('_');

var monthsParse = [/^ene/i, /^feb/i, /^mar/i, /^abr/i, /^may/i, /^jun/i, /^jul/i, /^ago/i, /^sep/i, /^oct/i, /^nov/i, /^dic/i];
var monthsRegex = /^(enero|febrero|marzo|abril|mayo|junio|julio|agosto|septiembre|octubre|noviembre|diciembre|ene\.?|feb\.?|mar\.?|abr\.?|may\.?|jun\.?|jul\.?|ago\.?|sep\.?|oct\.?|nov\.?|dic\.?)/i;

var es = moment.defineLocale('es', {
    months : 'enero_febrero_marzo_abril_mayo_junio_julio_agosto_septiembre_octubre_noviembre_diciembre'.split('_'),
    monthsShort : function (m, format) {
        if (!m) {
            return monthsShortDot;
        } else if (/-MMM-/.test(format)) {
            return monthsShort[m.month()];
        } else {
            return monthsShortDot[m.month()];
        }
    },
    monthsRegex : monthsRegex,
    monthsShortRegex : monthsRegex,
    monthsStrictRegex : /^(enero|febrero|marzo|abril|mayo|junio|julio|agosto|septiembre|octubre|noviembre|diciembre)/i,
    monthsShortStrictRegex : /^(ene\.?|feb\.?|mar\.?|abr\.?|may\.?|jun\.?|jul\.?|ago\.?|sep\.?|oct\.?|nov\.?|dic\.?)/i,
    monthsParse : monthsParse,
    longMonthsParse : monthsParse,
    shortMonthsParse : monthsParse,
    weekdays : 'domingo_lunes_martes_miércoles_jueves_viernes_sábado'.split('_'),
    weekdaysShort : 'dom._lun._mar._mié._jue._vie._sáb.'.split('_'),
    weekdaysMin : 'do_lu_ma_mi_ju_vi_sá'.split('_'),
    weekdaysParseExact : true,
    longDateFormat : {
        LT : 'H:mm',
        LTS : 'H:mm:ss',
        L : 'DD/MM/YYYY',
        LL : 'D [de] MMMM [de] YYYY',
        LLL : 'D [de] MMMM [de] YYYY H:mm',
        LLLL : 'dddd, D [de] MMMM [de] YYYY H:mm'
    },
    calendar : {
        sameDay : function () {
            return '[hoy a la' + ((this.hours() !== 1) ? 's' : '') + '] LT';
        },
        nextDay : function () {
            return '[mañana a la' + ((this.hours() !== 1) ? 's' : '') + '] LT';
        },
        nextWeek : function () {
            return 'dddd [a la' + ((this.hours() !== 1) ? 's' : '') + '] LT';
        },
        lastDay : function () {
            return '[ayer a la' + ((this.hours() !== 1) ? 's' : '') + '] LT';
        },
        lastWeek : function () {
            return '[el] dddd [pasado a la' + ((this.hours() !== 1) ? 's' : '') + '] LT';
        },
        sameElse : 'L'
    },
    relativeTime : {
        future : 'en %s',
        past : 'hace %s',
        s : 'unos segundos',
        m : 'un minuto',
        mm : '%d minutos',
        h : 'una hora',
        hh : '%d horas',
        d : 'un día',
        dd : '%d días',
        M : 'un mes',
        MM : '%d meses',
        y : 'un año',
        yy : '%d años'
    },
    dayOfMonthOrdinalParse : /\d{1,2}º/,
    ordinal : '%dº',
    week : {
        dow : 1, // Monday is the first day of the week.
        doy : 4  // The week that contains Jan 4th is the first week of the year.
    }
});

return es;

})));


/***/ }),

/***/ "./node_modules/moment/locale/eu.js":
/*!******************************************!*\
  !*** ./node_modules/moment/locale/eu.js ***!
  \******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

//! moment.js locale configuration
//! locale : Basque [eu]
//! author : Eneko Illarramendi : https://github.com/eillarra

;(function (global, factory) {
    true ? factory(__webpack_require__(/*! ../moment */ "./node_modules/moment/moment.js")) :
   undefined
}(this, (function (moment) { 'use strict';


var eu = moment.defineLocale('eu', {
    months : 'urtarrila_otsaila_martxoa_apirila_maiatza_ekaina_uztaila_abuztua_iraila_urria_azaroa_abendua'.split('_'),
    monthsShort : 'urt._ots._mar._api._mai._eka._uzt._abu._ira._urr._aza._abe.'.split('_'),
    monthsParseExact : true,
    weekdays : 'igandea_astelehena_asteartea_asteazkena_osteguna_ostirala_larunbata'.split('_'),
    weekdaysShort : 'ig._al._ar._az._og._ol._lr.'.split('_'),
    weekdaysMin : 'ig_al_ar_az_og_ol_lr'.split('_'),
    weekdaysParseExact : true,
    longDateFormat : {
        LT : 'HH:mm',
        LTS : 'HH:mm:ss',
        L : 'YYYY-MM-DD',
        LL : 'YYYY[ko] MMMM[ren] D[a]',
        LLL : 'YYYY[ko] MMMM[ren] D[a] HH:mm',
        LLLL : 'dddd, YYYY[ko] MMMM[ren] D[a] HH:mm',
        l : 'YYYY-M-D',
        ll : 'YYYY[ko] MMM D[a]',
        lll : 'YYYY[ko] MMM D[a] HH:mm',
        llll : 'ddd, YYYY[ko] MMM D[a] HH:mm'
    },
    calendar : {
        sameDay : '[gaur] LT[etan]',
        nextDay : '[bihar] LT[etan]',
        nextWeek : 'dddd LT[etan]',
        lastDay : '[atzo] LT[etan]',
        lastWeek : '[aurreko] dddd LT[etan]',
        sameElse : 'L'
    },
    relativeTime : {
        future : '%s barru',
        past : 'duela %s',
        s : 'segundo batzuk',
        m : 'minutu bat',
        mm : '%d minutu',
        h : 'ordu bat',
        hh : '%d ordu',
        d : 'egun bat',
        dd : '%d egun',
        M : 'hilabete bat',
        MM : '%d hilabete',
        y : 'urte bat',
        yy : '%d urte'
    },
    dayOfMonthOrdinalParse: /\d{1,2}\./,
    ordinal : '%d.',
    week : {
        dow : 1, // Monday is the first day of the week.
        doy : 7  // The week that contains Jan 1st is the first week of the year.
    }
});

return eu;

})));


/***/ }),

/***/ "./node_modules/moment/locale/fr.js":
/*!******************************************!*\
  !*** ./node_modules/moment/locale/fr.js ***!
  \******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

//! moment.js locale configuration
//! locale : French [fr]
//! author : John Fischer : https://github.com/jfroffice

;(function (global, factory) {
    true ? factory(__webpack_require__(/*! ../moment */ "./node_modules/moment/moment.js")) :
   undefined
}(this, (function (moment) { 'use strict';


var fr = moment.defineLocale('fr', {
    months : 'janvier_février_mars_avril_mai_juin_juillet_août_septembre_octobre_novembre_décembre'.split('_'),
    monthsShort : 'janv._févr._mars_avr._mai_juin_juil._août_sept._oct._nov._déc.'.split('_'),
    monthsParseExact : true,
    weekdays : 'dimanche_lundi_mardi_mercredi_jeudi_vendredi_samedi'.split('_'),
    weekdaysShort : 'dim._lun._mar._mer._jeu._ven._sam.'.split('_'),
    weekdaysMin : 'Di_Lu_Ma_Me_Je_Ve_Sa'.split('_'),
    weekdaysParseExact : true,
    longDateFormat : {
        LT : 'HH:mm',
        LTS : 'HH:mm:ss',
        L : 'DD/MM/YYYY',
        LL : 'D MMMM YYYY',
        LLL : 'D MMMM YYYY HH:mm',
        LLLL : 'dddd D MMMM YYYY HH:mm'
    },
    calendar : {
        sameDay : '[Aujourd’hui à] LT',
        nextDay : '[Demain à] LT',
        nextWeek : 'dddd [à] LT',
        lastDay : '[Hier à] LT',
        lastWeek : 'dddd [dernier à] LT',
        sameElse : 'L'
    },
    relativeTime : {
        future : 'dans %s',
        past : 'il y a %s',
        s : 'quelques secondes',
        m : 'une minute',
        mm : '%d minutes',
        h : 'une heure',
        hh : '%d heures',
        d : 'un jour',
        dd : '%d jours',
        M : 'un mois',
        MM : '%d mois',
        y : 'un an',
        yy : '%d ans'
    },
    dayOfMonthOrdinalParse: /\d{1,2}(er|)/,
    ordinal : function (number, period) {
        switch (period) {
            // TODO: Return 'e' when day of month > 1. Move this case inside
            // block for masculine words below.
            // See https://github.com/moment/moment/issues/3375
            case 'D':
                return number + (number === 1 ? 'er' : '');

            // Words with masculine grammatical gender: mois, trimestre, jour
            default:
            case 'M':
            case 'Q':
            case 'DDD':
            case 'd':
                return number + (number === 1 ? 'er' : 'e');

            // Words with feminine grammatical gender: semaine
            case 'w':
            case 'W':
                return number + (number === 1 ? 're' : 'e');
        }
    },
    week : {
        dow : 1, // Monday is the first day of the week.
        doy : 4  // The week that contains Jan 4th is the first week of the year.
    }
});

return fr;

})));


/***/ }),

/***/ "./node_modules/moment/locale/gl.js":
/*!******************************************!*\
  !*** ./node_modules/moment/locale/gl.js ***!
  \******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

//! moment.js locale configuration
//! locale : Galician [gl]
//! author : Juan G. Hurtado : https://github.com/juanghurtado

;(function (global, factory) {
    true ? factory(__webpack_require__(/*! ../moment */ "./node_modules/moment/moment.js")) :
   undefined
}(this, (function (moment) { 'use strict';


var gl = moment.defineLocale('gl', {
    months : 'xaneiro_febreiro_marzo_abril_maio_xuño_xullo_agosto_setembro_outubro_novembro_decembro'.split('_'),
    monthsShort : 'xan._feb._mar._abr._mai._xuñ._xul._ago._set._out._nov._dec.'.split('_'),
    monthsParseExact: true,
    weekdays : 'domingo_luns_martes_mércores_xoves_venres_sábado'.split('_'),
    weekdaysShort : 'dom._lun._mar._mér._xov._ven._sáb.'.split('_'),
    weekdaysMin : 'do_lu_ma_mé_xo_ve_sá'.split('_'),
    weekdaysParseExact : true,
    longDateFormat : {
        LT : 'H:mm',
        LTS : 'H:mm:ss',
        L : 'DD/MM/YYYY',
        LL : 'D [de] MMMM [de] YYYY',
        LLL : 'D [de] MMMM [de] YYYY H:mm',
        LLLL : 'dddd, D [de] MMMM [de] YYYY H:mm'
    },
    calendar : {
        sameDay : function () {
            return '[hoxe ' + ((this.hours() !== 1) ? 'ás' : 'á') + '] LT';
        },
        nextDay : function () {
            return '[mañá ' + ((this.hours() !== 1) ? 'ás' : 'á') + '] LT';
        },
        nextWeek : function () {
            return 'dddd [' + ((this.hours() !== 1) ? 'ás' : 'a') + '] LT';
        },
        lastDay : function () {
            return '[onte ' + ((this.hours() !== 1) ? 'á' : 'a') + '] LT';
        },
        lastWeek : function () {
            return '[o] dddd [pasado ' + ((this.hours() !== 1) ? 'ás' : 'a') + '] LT';
        },
        sameElse : 'L'
    },
    relativeTime : {
        future : function (str) {
            if (str.indexOf('un') === 0) {
                return 'n' + str;
            }
            return 'en ' + str;
        },
        past : 'hai %s',
        s : 'uns segundos',
        m : 'un minuto',
        mm : '%d minutos',
        h : 'unha hora',
        hh : '%d horas',
        d : 'un día',
        dd : '%d días',
        M : 'un mes',
        MM : '%d meses',
        y : 'un ano',
        yy : '%d anos'
    },
    dayOfMonthOrdinalParse : /\d{1,2}º/,
    ordinal : '%dº',
    week : {
        dow : 1, // Monday is the first day of the week.
        doy : 4  // The week that contains Jan 4th is the first week of the year.
    }
});

return gl;

})));


/***/ }),

/***/ "./node_modules/moment/locale/he.js":
/*!******************************************!*\
  !*** ./node_modules/moment/locale/he.js ***!
  \******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

//! moment.js locale configuration
//! locale : Hebrew [he]
//! author : Tomer Cohen : https://github.com/tomer
//! author : Moshe Simantov : https://github.com/DevelopmentIL
//! author : Tal Ater : https://github.com/TalAter

;(function (global, factory) {
    true ? factory(__webpack_require__(/*! ../moment */ "./node_modules/moment/moment.js")) :
   undefined
}(this, (function (moment) { 'use strict';


var he = moment.defineLocale('he', {
    months : 'ינואר_פברואר_מרץ_אפריל_מאי_יוני_יולי_אוגוסט_ספטמבר_אוקטובר_נובמבר_דצמבר'.split('_'),
    monthsShort : 'ינו׳_פבר׳_מרץ_אפר׳_מאי_יוני_יולי_אוג׳_ספט׳_אוק׳_נוב׳_דצמ׳'.split('_'),
    weekdays : 'ראשון_שני_שלישי_רביעי_חמישי_שישי_שבת'.split('_'),
    weekdaysShort : 'א׳_ב׳_ג׳_ד׳_ה׳_ו׳_ש׳'.split('_'),
    weekdaysMin : 'א_ב_ג_ד_ה_ו_ש'.split('_'),
    longDateFormat : {
        LT : 'HH:mm',
        LTS : 'HH:mm:ss',
        L : 'DD/MM/YYYY',
        LL : 'D [ב]MMMM YYYY',
        LLL : 'D [ב]MMMM YYYY HH:mm',
        LLLL : 'dddd, D [ב]MMMM YYYY HH:mm',
        l : 'D/M/YYYY',
        ll : 'D MMM YYYY',
        lll : 'D MMM YYYY HH:mm',
        llll : 'ddd, D MMM YYYY HH:mm'
    },
    calendar : {
        sameDay : '[היום ב־]LT',
        nextDay : '[מחר ב־]LT',
        nextWeek : 'dddd [בשעה] LT',
        lastDay : '[אתמול ב־]LT',
        lastWeek : '[ביום] dddd [האחרון בשעה] LT',
        sameElse : 'L'
    },
    relativeTime : {
        future : 'בעוד %s',
        past : 'לפני %s',
        s : 'מספר שניות',
        m : 'דקה',
        mm : '%d דקות',
        h : 'שעה',
        hh : function (number) {
            if (number === 2) {
                return 'שעתיים';
            }
            return number + ' שעות';
        },
        d : 'יום',
        dd : function (number) {
            if (number === 2) {
                return 'יומיים';
            }
            return number + ' ימים';
        },
        M : 'חודש',
        MM : function (number) {
            if (number === 2) {
                return 'חודשיים';
            }
            return number + ' חודשים';
        },
        y : 'שנה',
        yy : function (number) {
            if (number === 2) {
                return 'שנתיים';
            } else if (number % 10 === 0 && number !== 10) {
                return number + ' שנה';
            }
            return number + ' שנים';
        }
    },
    meridiemParse: /אחה"צ|לפנה"צ|אחרי הצהריים|לפני הצהריים|לפנות בוקר|בבוקר|בערב/i,
    isPM : function (input) {
        return /^(אחה"צ|אחרי הצהריים|בערב)$/.test(input);
    },
    meridiem : function (hour, minute, isLower) {
        if (hour < 5) {
            return 'לפנות בוקר';
        } else if (hour < 10) {
            return 'בבוקר';
        } else if (hour < 12) {
            return isLower ? 'לפנה"צ' : 'לפני הצהריים';
        } else if (hour < 18) {
            return isLower ? 'אחה"צ' : 'אחרי הצהריים';
        } else {
            return 'בערב';
        }
    }
});

return he;

})));


/***/ }),

/***/ "./node_modules/moment/locale/hi.js":
/*!******************************************!*\
  !*** ./node_modules/moment/locale/hi.js ***!
  \******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

//! moment.js locale configuration
//! locale : Hindi [hi]
//! author : Mayank Singhal : https://github.com/mayanksinghal

;(function (global, factory) {
    true ? factory(__webpack_require__(/*! ../moment */ "./node_modules/moment/moment.js")) :
   undefined
}(this, (function (moment) { 'use strict';


var symbolMap = {
    '1': '१',
    '2': '२',
    '3': '३',
    '4': '४',
    '5': '५',
    '6': '६',
    '7': '७',
    '8': '८',
    '9': '९',
    '0': '०'
};
var numberMap = {
    '१': '1',
    '२': '2',
    '३': '3',
    '४': '4',
    '५': '5',
    '६': '6',
    '७': '7',
    '८': '8',
    '९': '9',
    '०': '0'
};

var hi = moment.defineLocale('hi', {
    months : 'जनवरी_फ़रवरी_मार्च_अप्रैल_मई_जून_जुलाई_अगस्त_सितम्बर_अक्टूबर_नवम्बर_दिसम्बर'.split('_'),
    monthsShort : 'जन._फ़र._मार्च_अप्रै._मई_जून_जुल._अग._सित._अक्टू._नव._दिस.'.split('_'),
    monthsParseExact: true,
    weekdays : 'रविवार_सोमवार_मंगलवार_बुधवार_गुरूवार_शुक्रवार_शनिवार'.split('_'),
    weekdaysShort : 'रवि_सोम_मंगल_बुध_गुरू_शुक्र_शनि'.split('_'),
    weekdaysMin : 'र_सो_मं_बु_गु_शु_श'.split('_'),
    longDateFormat : {
        LT : 'A h:mm बजे',
        LTS : 'A h:mm:ss बजे',
        L : 'DD/MM/YYYY',
        LL : 'D MMMM YYYY',
        LLL : 'D MMMM YYYY, A h:mm बजे',
        LLLL : 'dddd, D MMMM YYYY, A h:mm बजे'
    },
    calendar : {
        sameDay : '[आज] LT',
        nextDay : '[कल] LT',
        nextWeek : 'dddd, LT',
        lastDay : '[कल] LT',
        lastWeek : '[पिछले] dddd, LT',
        sameElse : 'L'
    },
    relativeTime : {
        future : '%s में',
        past : '%s पहले',
        s : 'कुछ ही क्षण',
        m : 'एक मिनट',
        mm : '%d मिनट',
        h : 'एक घंटा',
        hh : '%d घंटे',
        d : 'एक दिन',
        dd : '%d दिन',
        M : 'एक महीने',
        MM : '%d महीने',
        y : 'एक वर्ष',
        yy : '%d वर्ष'
    },
    preparse: function (string) {
        return string.replace(/[१२३४५६७८९०]/g, function (match) {
            return numberMap[match];
        });
    },
    postformat: function (string) {
        return string.replace(/\d/g, function (match) {
            return symbolMap[match];
        });
    },
    // Hindi notation for meridiems are quite fuzzy in practice. While there exists
    // a rigid notion of a 'Pahar' it is not used as rigidly in modern Hindi.
    meridiemParse: /रात|सुबह|दोपहर|शाम/,
    meridiemHour : function (hour, meridiem) {
        if (hour === 12) {
            hour = 0;
        }
        if (meridiem === 'रात') {
            return hour < 4 ? hour : hour + 12;
        } else if (meridiem === 'सुबह') {
            return hour;
        } else if (meridiem === 'दोपहर') {
            return hour >= 10 ? hour : hour + 12;
        } else if (meridiem === 'शाम') {
            return hour + 12;
        }
    },
    meridiem : function (hour, minute, isLower) {
        if (hour < 4) {
            return 'रात';
        } else if (hour < 10) {
            return 'सुबह';
        } else if (hour < 17) {
            return 'दोपहर';
        } else if (hour < 20) {
            return 'शाम';
        } else {
            return 'रात';
        }
    },
    week : {
        dow : 0, // Sunday is the first day of the week.
        doy : 6  // The week that contains Jan 1st is the first week of the year.
    }
});

return hi;

})));


/***/ }),

/***/ "./node_modules/moment/locale/hu.js":
/*!******************************************!*\
  !*** ./node_modules/moment/locale/hu.js ***!
  \******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

//! moment.js locale configuration
//! locale : Hungarian [hu]
//! author : Adam Brunner : https://github.com/adambrunner

;(function (global, factory) {
    true ? factory(__webpack_require__(/*! ../moment */ "./node_modules/moment/moment.js")) :
   undefined
}(this, (function (moment) { 'use strict';


var weekEndings = 'vasárnap hétfőn kedden szerdán csütörtökön pénteken szombaton'.split(' ');
function translate(number, withoutSuffix, key, isFuture) {
    var num = number;
    switch (key) {
        case 's':
            return (isFuture || withoutSuffix) ? 'néhány másodperc' : 'néhány másodperce';
        case 'm':
            return 'egy' + (isFuture || withoutSuffix ? ' perc' : ' perce');
        case 'mm':
            return num + (isFuture || withoutSuffix ? ' perc' : ' perce');
        case 'h':
            return 'egy' + (isFuture || withoutSuffix ? ' óra' : ' órája');
        case 'hh':
            return num + (isFuture || withoutSuffix ? ' óra' : ' órája');
        case 'd':
            return 'egy' + (isFuture || withoutSuffix ? ' nap' : ' napja');
        case 'dd':
            return num + (isFuture || withoutSuffix ? ' nap' : ' napja');
        case 'M':
            return 'egy' + (isFuture || withoutSuffix ? ' hónap' : ' hónapja');
        case 'MM':
            return num + (isFuture || withoutSuffix ? ' hónap' : ' hónapja');
        case 'y':
            return 'egy' + (isFuture || withoutSuffix ? ' év' : ' éve');
        case 'yy':
            return num + (isFuture || withoutSuffix ? ' év' : ' éve');
    }
    return '';
}
function week(isFuture) {
    return (isFuture ? '' : '[múlt] ') + '[' + weekEndings[this.day()] + '] LT[-kor]';
}

var hu = moment.defineLocale('hu', {
    months : 'január_február_március_április_május_június_július_augusztus_szeptember_október_november_december'.split('_'),
    monthsShort : 'jan_feb_márc_ápr_máj_jún_júl_aug_szept_okt_nov_dec'.split('_'),
    weekdays : 'vasárnap_hétfő_kedd_szerda_csütörtök_péntek_szombat'.split('_'),
    weekdaysShort : 'vas_hét_kedd_sze_csüt_pén_szo'.split('_'),
    weekdaysMin : 'v_h_k_sze_cs_p_szo'.split('_'),
    longDateFormat : {
        LT : 'H:mm',
        LTS : 'H:mm:ss',
        L : 'YYYY.MM.DD.',
        LL : 'YYYY. MMMM D.',
        LLL : 'YYYY. MMMM D. H:mm',
        LLLL : 'YYYY. MMMM D., dddd H:mm'
    },
    meridiemParse: /de|du/i,
    isPM: function (input) {
        return input.charAt(1).toLowerCase() === 'u';
    },
    meridiem : function (hours, minutes, isLower) {
        if (hours < 12) {
            return isLower === true ? 'de' : 'DE';
        } else {
            return isLower === true ? 'du' : 'DU';
        }
    },
    calendar : {
        sameDay : '[ma] LT[-kor]',
        nextDay : '[holnap] LT[-kor]',
        nextWeek : function () {
            return week.call(this, true);
        },
        lastDay : '[tegnap] LT[-kor]',
        lastWeek : function () {
            return week.call(this, false);
        },
        sameElse : 'L'
    },
    relativeTime : {
        future : '%s múlva',
        past : '%s',
        s : translate,
        m : translate,
        mm : translate,
        h : translate,
        hh : translate,
        d : translate,
        dd : translate,
        M : translate,
        MM : translate,
        y : translate,
        yy : translate
    },
    dayOfMonthOrdinalParse: /\d{1,2}\./,
    ordinal : '%d.',
    week : {
        dow : 1, // Monday is the first day of the week.
        doy : 4  // The week that contains Jan 4th is the first week of the year.
    }
});

return hu;

})));


/***/ }),

/***/ "./node_modules/moment/locale/id.js":
/*!******************************************!*\
  !*** ./node_modules/moment/locale/id.js ***!
  \******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

//! moment.js locale configuration
//! locale : Indonesian [id]
//! author : Mohammad Satrio Utomo : https://github.com/tyok
//! reference: http://id.wikisource.org/wiki/Pedoman_Umum_Ejaan_Bahasa_Indonesia_yang_Disempurnakan

;(function (global, factory) {
    true ? factory(__webpack_require__(/*! ../moment */ "./node_modules/moment/moment.js")) :
   undefined
}(this, (function (moment) { 'use strict';


var id = moment.defineLocale('id', {
    months : 'Januari_Februari_Maret_April_Mei_Juni_Juli_Agustus_September_Oktober_November_Desember'.split('_'),
    monthsShort : 'Jan_Feb_Mar_Apr_Mei_Jun_Jul_Ags_Sep_Okt_Nov_Des'.split('_'),
    weekdays : 'Minggu_Senin_Selasa_Rabu_Kamis_Jumat_Sabtu'.split('_'),
    weekdaysShort : 'Min_Sen_Sel_Rab_Kam_Jum_Sab'.split('_'),
    weekdaysMin : 'Mg_Sn_Sl_Rb_Km_Jm_Sb'.split('_'),
    longDateFormat : {
        LT : 'HH.mm',
        LTS : 'HH.mm.ss',
        L : 'DD/MM/YYYY',
        LL : 'D MMMM YYYY',
        LLL : 'D MMMM YYYY [pukul] HH.mm',
        LLLL : 'dddd, D MMMM YYYY [pukul] HH.mm'
    },
    meridiemParse: /pagi|siang|sore|malam/,
    meridiemHour : function (hour, meridiem) {
        if (hour === 12) {
            hour = 0;
        }
        if (meridiem === 'pagi') {
            return hour;
        } else if (meridiem === 'siang') {
            return hour >= 11 ? hour : hour + 12;
        } else if (meridiem === 'sore' || meridiem === 'malam') {
            return hour + 12;
        }
    },
    meridiem : function (hours, minutes, isLower) {
        if (hours < 11) {
            return 'pagi';
        } else if (hours < 15) {
            return 'siang';
        } else if (hours < 19) {
            return 'sore';
        } else {
            return 'malam';
        }
    },
    calendar : {
        sameDay : '[Hari ini pukul] LT',
        nextDay : '[Besok pukul] LT',
        nextWeek : 'dddd [pukul] LT',
        lastDay : '[Kemarin pukul] LT',
        lastWeek : 'dddd [lalu pukul] LT',
        sameElse : 'L'
    },
    relativeTime : {
        future : 'dalam %s',
        past : '%s yang lalu',
        s : 'beberapa detik',
        m : 'semenit',
        mm : '%d menit',
        h : 'sejam',
        hh : '%d jam',
        d : 'sehari',
        dd : '%d hari',
        M : 'sebulan',
        MM : '%d bulan',
        y : 'setahun',
        yy : '%d tahun'
    },
    week : {
        dow : 1, // Monday is the first day of the week.
        doy : 7  // The week that contains Jan 1st is the first week of the year.
    }
});

return id;

})));


/***/ }),

/***/ "./node_modules/moment/locale/it.js":
/*!******************************************!*\
  !*** ./node_modules/moment/locale/it.js ***!
  \******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

//! moment.js locale configuration
//! locale : Italian [it]
//! author : Lorenzo : https://github.com/aliem
//! author: Mattia Larentis: https://github.com/nostalgiaz

;(function (global, factory) {
    true ? factory(__webpack_require__(/*! ../moment */ "./node_modules/moment/moment.js")) :
   undefined
}(this, (function (moment) { 'use strict';


var it = moment.defineLocale('it', {
    months : 'gennaio_febbraio_marzo_aprile_maggio_giugno_luglio_agosto_settembre_ottobre_novembre_dicembre'.split('_'),
    monthsShort : 'gen_feb_mar_apr_mag_giu_lug_ago_set_ott_nov_dic'.split('_'),
    weekdays : 'domenica_lunedì_martedì_mercoledì_giovedì_venerdì_sabato'.split('_'),
    weekdaysShort : 'dom_lun_mar_mer_gio_ven_sab'.split('_'),
    weekdaysMin : 'do_lu_ma_me_gi_ve_sa'.split('_'),
    longDateFormat : {
        LT : 'HH:mm',
        LTS : 'HH:mm:ss',
        L : 'DD/MM/YYYY',
        LL : 'D MMMM YYYY',
        LLL : 'D MMMM YYYY HH:mm',
        LLLL : 'dddd, D MMMM YYYY HH:mm'
    },
    calendar : {
        sameDay: '[Oggi alle] LT',
        nextDay: '[Domani alle] LT',
        nextWeek: 'dddd [alle] LT',
        lastDay: '[Ieri alle] LT',
        lastWeek: function () {
            switch (this.day()) {
                case 0:
                    return '[la scorsa] dddd [alle] LT';
                default:
                    return '[lo scorso] dddd [alle] LT';
            }
        },
        sameElse: 'L'
    },
    relativeTime : {
        future : function (s) {
            return ((/^[0-9].+$/).test(s) ? 'tra' : 'in') + ' ' + s;
        },
        past : '%s fa',
        s : 'alcuni secondi',
        m : 'un minuto',
        mm : '%d minuti',
        h : 'un\'ora',
        hh : '%d ore',
        d : 'un giorno',
        dd : '%d giorni',
        M : 'un mese',
        MM : '%d mesi',
        y : 'un anno',
        yy : '%d anni'
    },
    dayOfMonthOrdinalParse : /\d{1,2}º/,
    ordinal: '%dº',
    week : {
        dow : 1, // Monday is the first day of the week.
        doy : 4  // The week that contains Jan 4th is the first week of the year.
    }
});

return it;

})));


/***/ }),

/***/ "./node_modules/moment/locale/ja.js":
/*!******************************************!*\
  !*** ./node_modules/moment/locale/ja.js ***!
  \******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

//! moment.js locale configuration
//! locale : Japanese [ja]
//! author : LI Long : https://github.com/baryon

;(function (global, factory) {
    true ? factory(__webpack_require__(/*! ../moment */ "./node_modules/moment/moment.js")) :
   undefined
}(this, (function (moment) { 'use strict';


var ja = moment.defineLocale('ja', {
    months : '1月_2月_3月_4月_5月_6月_7月_8月_9月_10月_11月_12月'.split('_'),
    monthsShort : '1月_2月_3月_4月_5月_6月_7月_8月_9月_10月_11月_12月'.split('_'),
    weekdays : '日曜日_月曜日_火曜日_水曜日_木曜日_金曜日_土曜日'.split('_'),
    weekdaysShort : '日_月_火_水_木_金_土'.split('_'),
    weekdaysMin : '日_月_火_水_木_金_土'.split('_'),
    longDateFormat : {
        LT : 'HH:mm',
        LTS : 'HH:mm:ss',
        L : 'YYYY/MM/DD',
        LL : 'YYYY年M月D日',
        LLL : 'YYYY年M月D日 HH:mm',
        LLLL : 'YYYY年M月D日 HH:mm dddd',
        l : 'YYYY/MM/DD',
        ll : 'YYYY年M月D日',
        lll : 'YYYY年M月D日 HH:mm',
        llll : 'YYYY年M月D日 HH:mm dddd'
    },
    meridiemParse: /午前|午後/i,
    isPM : function (input) {
        return input === '午後';
    },
    meridiem : function (hour, minute, isLower) {
        if (hour < 12) {
            return '午前';
        } else {
            return '午後';
        }
    },
    calendar : {
        sameDay : '[今日] LT',
        nextDay : '[明日] LT',
        nextWeek : '[来週]dddd LT',
        lastDay : '[昨日] LT',
        lastWeek : '[前週]dddd LT',
        sameElse : 'L'
    },
    dayOfMonthOrdinalParse : /\d{1,2}日/,
    ordinal : function (number, period) {
        switch (period) {
            case 'd':
            case 'D':
            case 'DDD':
                return number + '日';
            default:
                return number;
        }
    },
    relativeTime : {
        future : '%s後',
        past : '%s前',
        s : '数秒',
        m : '1分',
        mm : '%d分',
        h : '1時間',
        hh : '%d時間',
        d : '1日',
        dd : '%d日',
        M : '1ヶ月',
        MM : '%dヶ月',
        y : '1年',
        yy : '%d年'
    }
});

return ja;

})));


/***/ }),

/***/ "./node_modules/moment/locale/nb.js":
/*!******************************************!*\
  !*** ./node_modules/moment/locale/nb.js ***!
  \******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

//! moment.js locale configuration
//! locale : Norwegian Bokmål [nb]
//! authors : Espen Hovlandsdal : https://github.com/rexxars
//!           Sigurd Gartmann : https://github.com/sigurdga

;(function (global, factory) {
    true ? factory(__webpack_require__(/*! ../moment */ "./node_modules/moment/moment.js")) :
   undefined
}(this, (function (moment) { 'use strict';


var nb = moment.defineLocale('nb', {
    months : 'januar_februar_mars_april_mai_juni_juli_august_september_oktober_november_desember'.split('_'),
    monthsShort : 'jan._feb._mars_april_mai_juni_juli_aug._sep._okt._nov._des.'.split('_'),
    monthsParseExact : true,
    weekdays : 'søndag_mandag_tirsdag_onsdag_torsdag_fredag_lørdag'.split('_'),
    weekdaysShort : 'sø._ma._ti._on._to._fr._lø.'.split('_'),
    weekdaysMin : 'sø_ma_ti_on_to_fr_lø'.split('_'),
    weekdaysParseExact : true,
    longDateFormat : {
        LT : 'HH:mm',
        LTS : 'HH:mm:ss',
        L : 'DD.MM.YYYY',
        LL : 'D. MMMM YYYY',
        LLL : 'D. MMMM YYYY [kl.] HH:mm',
        LLLL : 'dddd D. MMMM YYYY [kl.] HH:mm'
    },
    calendar : {
        sameDay: '[i dag kl.] LT',
        nextDay: '[i morgen kl.] LT',
        nextWeek: 'dddd [kl.] LT',
        lastDay: '[i går kl.] LT',
        lastWeek: '[forrige] dddd [kl.] LT',
        sameElse: 'L'
    },
    relativeTime : {
        future : 'om %s',
        past : '%s siden',
        s : 'noen sekunder',
        m : 'ett minutt',
        mm : '%d minutter',
        h : 'en time',
        hh : '%d timer',
        d : 'en dag',
        dd : '%d dager',
        M : 'en måned',
        MM : '%d måneder',
        y : 'ett år',
        yy : '%d år'
    },
    dayOfMonthOrdinalParse: /\d{1,2}\./,
    ordinal : '%d.',
    week : {
        dow : 1, // Monday is the first day of the week.
        doy : 4  // The week that contains Jan 4th is the first week of the year.
    }
});

return nb;

})));


/***/ }),

/***/ "./node_modules/moment/locale/nl.js":
/*!******************************************!*\
  !*** ./node_modules/moment/locale/nl.js ***!
  \******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

//! moment.js locale configuration
//! locale : Dutch [nl]
//! author : Joris Röling : https://github.com/jorisroling
//! author : Jacob Middag : https://github.com/middagj

;(function (global, factory) {
    true ? factory(__webpack_require__(/*! ../moment */ "./node_modules/moment/moment.js")) :
   undefined
}(this, (function (moment) { 'use strict';


var monthsShortWithDots = 'jan._feb._mrt._apr._mei_jun._jul._aug._sep._okt._nov._dec.'.split('_');
var monthsShortWithoutDots = 'jan_feb_mrt_apr_mei_jun_jul_aug_sep_okt_nov_dec'.split('_');

var monthsParse = [/^jan/i, /^feb/i, /^maart|mrt.?$/i, /^apr/i, /^mei$/i, /^jun[i.]?$/i, /^jul[i.]?$/i, /^aug/i, /^sep/i, /^okt/i, /^nov/i, /^dec/i];
var monthsRegex = /^(januari|februari|maart|april|mei|april|ju[nl]i|augustus|september|oktober|november|december|jan\.?|feb\.?|mrt\.?|apr\.?|ju[nl]\.?|aug\.?|sep\.?|okt\.?|nov\.?|dec\.?)/i;

var nl = moment.defineLocale('nl', {
    months : 'januari_februari_maart_april_mei_juni_juli_augustus_september_oktober_november_december'.split('_'),
    monthsShort : function (m, format) {
        if (!m) {
            return monthsShortWithDots;
        } else if (/-MMM-/.test(format)) {
            return monthsShortWithoutDots[m.month()];
        } else {
            return monthsShortWithDots[m.month()];
        }
    },

    monthsRegex: monthsRegex,
    monthsShortRegex: monthsRegex,
    monthsStrictRegex: /^(januari|februari|maart|mei|ju[nl]i|april|augustus|september|oktober|november|december)/i,
    monthsShortStrictRegex: /^(jan\.?|feb\.?|mrt\.?|apr\.?|mei|ju[nl]\.?|aug\.?|sep\.?|okt\.?|nov\.?|dec\.?)/i,

    monthsParse : monthsParse,
    longMonthsParse : monthsParse,
    shortMonthsParse : monthsParse,

    weekdays : 'zondag_maandag_dinsdag_woensdag_donderdag_vrijdag_zaterdag'.split('_'),
    weekdaysShort : 'zo._ma._di._wo._do._vr._za.'.split('_'),
    weekdaysMin : 'zo_ma_di_wo_do_vr_za'.split('_'),
    weekdaysParseExact : true,
    longDateFormat : {
        LT : 'HH:mm',
        LTS : 'HH:mm:ss',
        L : 'DD-MM-YYYY',
        LL : 'D MMMM YYYY',
        LLL : 'D MMMM YYYY HH:mm',
        LLLL : 'dddd D MMMM YYYY HH:mm'
    },
    calendar : {
        sameDay: '[vandaag om] LT',
        nextDay: '[morgen om] LT',
        nextWeek: 'dddd [om] LT',
        lastDay: '[gisteren om] LT',
        lastWeek: '[afgelopen] dddd [om] LT',
        sameElse: 'L'
    },
    relativeTime : {
        future : 'over %s',
        past : '%s geleden',
        s : 'een paar seconden',
        m : 'één minuut',
        mm : '%d minuten',
        h : 'één uur',
        hh : '%d uur',
        d : 'één dag',
        dd : '%d dagen',
        M : 'één maand',
        MM : '%d maanden',
        y : 'één jaar',
        yy : '%d jaar'
    },
    dayOfMonthOrdinalParse: /\d{1,2}(ste|de)/,
    ordinal : function (number) {
        return number + ((number === 1 || number === 8 || number >= 20) ? 'ste' : 'de');
    },
    week : {
        dow : 1, // Monday is the first day of the week.
        doy : 4  // The week that contains Jan 4th is the first week of the year.
    }
});

return nl;

})));


/***/ }),

/***/ "./node_modules/moment/locale/pl.js":
/*!******************************************!*\
  !*** ./node_modules/moment/locale/pl.js ***!
  \******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

//! moment.js locale configuration
//! locale : Polish [pl]
//! author : Rafal Hirsz : https://github.com/evoL

;(function (global, factory) {
    true ? factory(__webpack_require__(/*! ../moment */ "./node_modules/moment/moment.js")) :
   undefined
}(this, (function (moment) { 'use strict';


var monthsNominative = 'styczeń_luty_marzec_kwiecień_maj_czerwiec_lipiec_sierpień_wrzesień_październik_listopad_grudzień'.split('_');
var monthsSubjective = 'stycznia_lutego_marca_kwietnia_maja_czerwca_lipca_sierpnia_września_października_listopada_grudnia'.split('_');
function plural(n) {
    return (n % 10 < 5) && (n % 10 > 1) && ((~~(n / 10) % 10) !== 1);
}
function translate(number, withoutSuffix, key) {
    var result = number + ' ';
    switch (key) {
        case 'm':
            return withoutSuffix ? 'minuta' : 'minutę';
        case 'mm':
            return result + (plural(number) ? 'minuty' : 'minut');
        case 'h':
            return withoutSuffix  ? 'godzina'  : 'godzinę';
        case 'hh':
            return result + (plural(number) ? 'godziny' : 'godzin');
        case 'MM':
            return result + (plural(number) ? 'miesiące' : 'miesięcy');
        case 'yy':
            return result + (plural(number) ? 'lata' : 'lat');
    }
}

var pl = moment.defineLocale('pl', {
    months : function (momentToFormat, format) {
        if (!momentToFormat) {
            return monthsNominative;
        } else if (format === '') {
            // Hack: if format empty we know this is used to generate
            // RegExp by moment. Give then back both valid forms of months
            // in RegExp ready format.
            return '(' + monthsSubjective[momentToFormat.month()] + '|' + monthsNominative[momentToFormat.month()] + ')';
        } else if (/D MMMM/.test(format)) {
            return monthsSubjective[momentToFormat.month()];
        } else {
            return monthsNominative[momentToFormat.month()];
        }
    },
    monthsShort : 'sty_lut_mar_kwi_maj_cze_lip_sie_wrz_paź_lis_gru'.split('_'),
    weekdays : 'niedziela_poniedziałek_wtorek_środa_czwartek_piątek_sobota'.split('_'),
    weekdaysShort : 'ndz_pon_wt_śr_czw_pt_sob'.split('_'),
    weekdaysMin : 'Nd_Pn_Wt_Śr_Cz_Pt_So'.split('_'),
    longDateFormat : {
        LT : 'HH:mm',
        LTS : 'HH:mm:ss',
        L : 'DD.MM.YYYY',
        LL : 'D MMMM YYYY',
        LLL : 'D MMMM YYYY HH:mm',
        LLLL : 'dddd, D MMMM YYYY HH:mm'
    },
    calendar : {
        sameDay: '[Dziś o] LT',
        nextDay: '[Jutro o] LT',
        nextWeek: function () {
            switch (this.day()) {
                case 0:
                    return '[W niedzielę o] LT';

                case 2:
                    return '[We wtorek o] LT';

                case 3:
                    return '[W środę o] LT';

                case 6:
                    return '[W sobotę o] LT';

                default:
                    return '[W] dddd [o] LT';
            }
        },
        lastDay: '[Wczoraj o] LT',
        lastWeek: function () {
            switch (this.day()) {
                case 0:
                    return '[W zeszłą niedzielę o] LT';
                case 3:
                    return '[W zeszłą środę o] LT';
                case 6:
                    return '[W zeszłą sobotę o] LT';
                default:
                    return '[W zeszły] dddd [o] LT';
            }
        },
        sameElse: 'L'
    },
    relativeTime : {
        future : 'za %s',
        past : '%s temu',
        s : 'kilka sekund',
        m : translate,
        mm : translate,
        h : translate,
        hh : translate,
        d : '1 dzień',
        dd : '%d dni',
        M : 'miesiąc',
        MM : translate,
        y : 'rok',
        yy : translate
    },
    dayOfMonthOrdinalParse: /\d{1,2}\./,
    ordinal : '%d.',
    week : {
        dow : 1, // Monday is the first day of the week.
        doy : 4  // The week that contains Jan 4th is the first week of the year.
    }
});

return pl;

})));


/***/ }),

/***/ "./node_modules/moment/locale/pt-br.js":
/*!*********************************************!*\
  !*** ./node_modules/moment/locale/pt-br.js ***!
  \*********************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

//! moment.js locale configuration
//! locale : Portuguese (Brazil) [pt-br]
//! author : Caio Ribeiro Pereira : https://github.com/caio-ribeiro-pereira

;(function (global, factory) {
    true ? factory(__webpack_require__(/*! ../moment */ "./node_modules/moment/moment.js")) :
   undefined
}(this, (function (moment) { 'use strict';


var ptBr = moment.defineLocale('pt-br', {
    months : 'janeiro_fevereiro_março_abril_maio_junho_julho_agosto_setembro_outubro_novembro_dezembro'.split('_'),
    monthsShort : 'jan_fev_mar_abr_mai_jun_jul_ago_set_out_nov_dez'.split('_'),
    weekdays : 'Domingo_Segunda-feira_Terça-feira_Quarta-feira_Quinta-feira_Sexta-feira_Sábado'.split('_'),
    weekdaysShort : 'Dom_Seg_Ter_Qua_Qui_Sex_Sáb'.split('_'),
    weekdaysMin : 'Do_2ª_3ª_4ª_5ª_6ª_Sá'.split('_'),
    weekdaysParseExact : true,
    longDateFormat : {
        LT : 'HH:mm',
        LTS : 'HH:mm:ss',
        L : 'DD/MM/YYYY',
        LL : 'D [de] MMMM [de] YYYY',
        LLL : 'D [de] MMMM [de] YYYY [às] HH:mm',
        LLLL : 'dddd, D [de] MMMM [de] YYYY [às] HH:mm'
    },
    calendar : {
        sameDay: '[Hoje às] LT',
        nextDay: '[Amanhã às] LT',
        nextWeek: 'dddd [às] LT',
        lastDay: '[Ontem às] LT',
        lastWeek: function () {
            return (this.day() === 0 || this.day() === 6) ?
                '[Último] dddd [às] LT' : // Saturday + Sunday
                '[Última] dddd [às] LT'; // Monday - Friday
        },
        sameElse: 'L'
    },
    relativeTime : {
        future : 'em %s',
        past : '%s atrás',
        s : 'poucos segundos',
        ss : '%d segundos',
        m : 'um minuto',
        mm : '%d minutos',
        h : 'uma hora',
        hh : '%d horas',
        d : 'um dia',
        dd : '%d dias',
        M : 'um mês',
        MM : '%d meses',
        y : 'um ano',
        yy : '%d anos'
    },
    dayOfMonthOrdinalParse: /\d{1,2}º/,
    ordinal : '%dº'
});

return ptBr;

})));


/***/ }),

/***/ "./node_modules/moment/locale/ro.js":
/*!******************************************!*\
  !*** ./node_modules/moment/locale/ro.js ***!
  \******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

//! moment.js locale configuration
//! locale : Romanian [ro]
//! author : Vlad Gurdiga : https://github.com/gurdiga
//! author : Valentin Agachi : https://github.com/avaly

;(function (global, factory) {
    true ? factory(__webpack_require__(/*! ../moment */ "./node_modules/moment/moment.js")) :
   undefined
}(this, (function (moment) { 'use strict';


function relativeTimeWithPlural(number, withoutSuffix, key) {
    var format = {
            'mm': 'minute',
            'hh': 'ore',
            'dd': 'zile',
            'MM': 'luni',
            'yy': 'ani'
        },
        separator = ' ';
    if (number % 100 >= 20 || (number >= 100 && number % 100 === 0)) {
        separator = ' de ';
    }
    return number + separator + format[key];
}

var ro = moment.defineLocale('ro', {
    months : 'ianuarie_februarie_martie_aprilie_mai_iunie_iulie_august_septembrie_octombrie_noiembrie_decembrie'.split('_'),
    monthsShort : 'ian._febr._mart._apr._mai_iun._iul._aug._sept._oct._nov._dec.'.split('_'),
    monthsParseExact: true,
    weekdays : 'duminică_luni_marți_miercuri_joi_vineri_sâmbătă'.split('_'),
    weekdaysShort : 'Dum_Lun_Mar_Mie_Joi_Vin_Sâm'.split('_'),
    weekdaysMin : 'Du_Lu_Ma_Mi_Jo_Vi_Sâ'.split('_'),
    longDateFormat : {
        LT : 'H:mm',
        LTS : 'H:mm:ss',
        L : 'DD.MM.YYYY',
        LL : 'D MMMM YYYY',
        LLL : 'D MMMM YYYY H:mm',
        LLLL : 'dddd, D MMMM YYYY H:mm'
    },
    calendar : {
        sameDay: '[azi la] LT',
        nextDay: '[mâine la] LT',
        nextWeek: 'dddd [la] LT',
        lastDay: '[ieri la] LT',
        lastWeek: '[fosta] dddd [la] LT',
        sameElse: 'L'
    },
    relativeTime : {
        future : 'peste %s',
        past : '%s în urmă',
        s : 'câteva secunde',
        m : 'un minut',
        mm : relativeTimeWithPlural,
        h : 'o oră',
        hh : relativeTimeWithPlural,
        d : 'o zi',
        dd : relativeTimeWithPlural,
        M : 'o lună',
        MM : relativeTimeWithPlural,
        y : 'un an',
        yy : relativeTimeWithPlural
    },
    week : {
        dow : 1, // Monday is the first day of the week.
        doy : 7  // The week that contains Jan 1st is the first week of the year.
    }
});

return ro;

})));


/***/ }),

/***/ "./node_modules/moment/locale/ru.js":
/*!******************************************!*\
  !*** ./node_modules/moment/locale/ru.js ***!
  \******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

//! moment.js locale configuration
//! locale : Russian [ru]
//! author : Viktorminator : https://github.com/Viktorminator
//! Author : Menelion Elensúle : https://github.com/Oire
//! author : Коренберг Марк : https://github.com/socketpair

;(function (global, factory) {
    true ? factory(__webpack_require__(/*! ../moment */ "./node_modules/moment/moment.js")) :
   undefined
}(this, (function (moment) { 'use strict';


function plural(word, num) {
    var forms = word.split('_');
    return num % 10 === 1 && num % 100 !== 11 ? forms[0] : (num % 10 >= 2 && num % 10 <= 4 && (num % 100 < 10 || num % 100 >= 20) ? forms[1] : forms[2]);
}
function relativeTimeWithPlural(number, withoutSuffix, key) {
    var format = {
        'mm': withoutSuffix ? 'минута_минуты_минут' : 'минуту_минуты_минут',
        'hh': 'час_часа_часов',
        'dd': 'день_дня_дней',
        'MM': 'месяц_месяца_месяцев',
        'yy': 'год_года_лет'
    };
    if (key === 'm') {
        return withoutSuffix ? 'минута' : 'минуту';
    }
    else {
        return number + ' ' + plural(format[key], +number);
    }
}
var monthsParse = [/^янв/i, /^фев/i, /^мар/i, /^апр/i, /^ма[йя]/i, /^июн/i, /^июл/i, /^авг/i, /^сен/i, /^окт/i, /^ноя/i, /^дек/i];

// http://new.gramota.ru/spravka/rules/139-prop : § 103
// Сокращения месяцев: http://new.gramota.ru/spravka/buro/search-answer?s=242637
// CLDR data:          http://www.unicode.org/cldr/charts/28/summary/ru.html#1753
var ru = moment.defineLocale('ru', {
    months : {
        format: 'января_февраля_марта_апреля_мая_июня_июля_августа_сентября_октября_ноября_декабря'.split('_'),
        standalone: 'январь_февраль_март_апрель_май_июнь_июль_август_сентябрь_октябрь_ноябрь_декабрь'.split('_')
    },
    monthsShort : {
        // по CLDR именно "июл." и "июн.", но какой смысл менять букву на точку ?
        format: 'янв._февр._мар._апр._мая_июня_июля_авг._сент._окт._нояб._дек.'.split('_'),
        standalone: 'янв._февр._март_апр._май_июнь_июль_авг._сент._окт._нояб._дек.'.split('_')
    },
    weekdays : {
        standalone: 'воскресенье_понедельник_вторник_среда_четверг_пятница_суббота'.split('_'),
        format: 'воскресенье_понедельник_вторник_среду_четверг_пятницу_субботу'.split('_'),
        isFormat: /\[ ?[Вв] ?(?:прошлую|следующую|эту)? ?\] ?dddd/
    },
    weekdaysShort : 'вс_пн_вт_ср_чт_пт_сб'.split('_'),
    weekdaysMin : 'вс_пн_вт_ср_чт_пт_сб'.split('_'),
    monthsParse : monthsParse,
    longMonthsParse : monthsParse,
    shortMonthsParse : monthsParse,

    // полные названия с падежами, по три буквы, для некоторых, по 4 буквы, сокращения с точкой и без точки
    monthsRegex: /^(январ[ья]|янв\.?|феврал[ья]|февр?\.?|марта?|мар\.?|апрел[ья]|апр\.?|ма[йя]|июн[ья]|июн\.?|июл[ья]|июл\.?|августа?|авг\.?|сентябр[ья]|сент?\.?|октябр[ья]|окт\.?|ноябр[ья]|нояб?\.?|декабр[ья]|дек\.?)/i,

    // копия предыдущего
    monthsShortRegex: /^(январ[ья]|янв\.?|феврал[ья]|февр?\.?|марта?|мар\.?|апрел[ья]|апр\.?|ма[йя]|июн[ья]|июн\.?|июл[ья]|июл\.?|августа?|авг\.?|сентябр[ья]|сент?\.?|октябр[ья]|окт\.?|ноябр[ья]|нояб?\.?|декабр[ья]|дек\.?)/i,

    // полные названия с падежами
    monthsStrictRegex: /^(январ[яь]|феврал[яь]|марта?|апрел[яь]|ма[яй]|июн[яь]|июл[яь]|августа?|сентябр[яь]|октябр[яь]|ноябр[яь]|декабр[яь])/i,

    // Выражение, которое соотвествует только сокращённым формам
    monthsShortStrictRegex: /^(янв\.|февр?\.|мар[т.]|апр\.|ма[яй]|июн[ья.]|июл[ья.]|авг\.|сент?\.|окт\.|нояб?\.|дек\.)/i,
    longDateFormat : {
        LT : 'HH:mm',
        LTS : 'HH:mm:ss',
        L : 'DD.MM.YYYY',
        LL : 'D MMMM YYYY г.',
        LLL : 'D MMMM YYYY г., HH:mm',
        LLLL : 'dddd, D MMMM YYYY г., HH:mm'
    },
    calendar : {
        sameDay: '[Сегодня в] LT',
        nextDay: '[Завтра в] LT',
        lastDay: '[Вчера в] LT',
        nextWeek: function (now) {
            if (now.week() !== this.week()) {
                switch (this.day()) {
                    case 0:
                        return '[В следующее] dddd [в] LT';
                    case 1:
                    case 2:
                    case 4:
                        return '[В следующий] dddd [в] LT';
                    case 3:
                    case 5:
                    case 6:
                        return '[В следующую] dddd [в] LT';
                }
            } else {
                if (this.day() === 2) {
                    return '[Во] dddd [в] LT';
                } else {
                    return '[В] dddd [в] LT';
                }
            }
        },
        lastWeek: function (now) {
            if (now.week() !== this.week()) {
                switch (this.day()) {
                    case 0:
                        return '[В прошлое] dddd [в] LT';
                    case 1:
                    case 2:
                    case 4:
                        return '[В прошлый] dddd [в] LT';
                    case 3:
                    case 5:
                    case 6:
                        return '[В прошлую] dddd [в] LT';
                }
            } else {
                if (this.day() === 2) {
                    return '[Во] dddd [в] LT';
                } else {
                    return '[В] dddd [в] LT';
                }
            }
        },
        sameElse: 'L'
    },
    relativeTime : {
        future : 'через %s',
        past : '%s назад',
        s : 'несколько секунд',
        m : relativeTimeWithPlural,
        mm : relativeTimeWithPlural,
        h : 'час',
        hh : relativeTimeWithPlural,
        d : 'день',
        dd : relativeTimeWithPlural,
        M : 'месяц',
        MM : relativeTimeWithPlural,
        y : 'год',
        yy : relativeTimeWithPlural
    },
    meridiemParse: /ночи|утра|дня|вечера/i,
    isPM : function (input) {
        return /^(дня|вечера)$/.test(input);
    },
    meridiem : function (hour, minute, isLower) {
        if (hour < 4) {
            return 'ночи';
        } else if (hour < 12) {
            return 'утра';
        } else if (hour < 17) {
            return 'дня';
        } else {
            return 'вечера';
        }
    },
    dayOfMonthOrdinalParse: /\d{1,2}-(й|го|я)/,
    ordinal: function (number, period) {
        switch (period) {
            case 'M':
            case 'd':
            case 'DDD':
                return number + '-й';
            case 'D':
                return number + '-го';
            case 'w':
            case 'W':
                return number + '-я';
            default:
                return number;
        }
    },
    week : {
        dow : 1, // Monday is the first day of the week.
        doy : 4  // The week that contains Jan 4th is the first week of the year.
    }
});

return ru;

})));


/***/ }),

/***/ "./node_modules/moment/locale/tr.js":
/*!******************************************!*\
  !*** ./node_modules/moment/locale/tr.js ***!
  \******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

//! moment.js locale configuration
//! locale : Turkish [tr]
//! authors : Erhan Gundogan : https://github.com/erhangundogan,
//!           Burak Yiğit Kaya: https://github.com/BYK

;(function (global, factory) {
    true ? factory(__webpack_require__(/*! ../moment */ "./node_modules/moment/moment.js")) :
   undefined
}(this, (function (moment) { 'use strict';


var suffixes = {
    1: '\'inci',
    5: '\'inci',
    8: '\'inci',
    70: '\'inci',
    80: '\'inci',
    2: '\'nci',
    7: '\'nci',
    20: '\'nci',
    50: '\'nci',
    3: '\'üncü',
    4: '\'üncü',
    100: '\'üncü',
    6: '\'ncı',
    9: '\'uncu',
    10: '\'uncu',
    30: '\'uncu',
    60: '\'ıncı',
    90: '\'ıncı'
};

var tr = moment.defineLocale('tr', {
    months : 'Ocak_Şubat_Mart_Nisan_Mayıs_Haziran_Temmuz_Ağustos_Eylül_Ekim_Kasım_Aralık'.split('_'),
    monthsShort : 'Oca_Şub_Mar_Nis_May_Haz_Tem_Ağu_Eyl_Eki_Kas_Ara'.split('_'),
    weekdays : 'Pazar_Pazartesi_Salı_Çarşamba_Perşembe_Cuma_Cumartesi'.split('_'),
    weekdaysShort : 'Paz_Pts_Sal_Çar_Per_Cum_Cts'.split('_'),
    weekdaysMin : 'Pz_Pt_Sa_Ça_Pe_Cu_Ct'.split('_'),
    longDateFormat : {
        LT : 'HH:mm',
        LTS : 'HH:mm:ss',
        L : 'DD.MM.YYYY',
        LL : 'D MMMM YYYY',
        LLL : 'D MMMM YYYY HH:mm',
        LLLL : 'dddd, D MMMM YYYY HH:mm'
    },
    calendar : {
        sameDay : '[bugün saat] LT',
        nextDay : '[yarın saat] LT',
        nextWeek : '[gelecek] dddd [saat] LT',
        lastDay : '[dün] LT',
        lastWeek : '[geçen] dddd [saat] LT',
        sameElse : 'L'
    },
    relativeTime : {
        future : '%s sonra',
        past : '%s önce',
        s : 'birkaç saniye',
        m : 'bir dakika',
        mm : '%d dakika',
        h : 'bir saat',
        hh : '%d saat',
        d : 'bir gün',
        dd : '%d gün',
        M : 'bir ay',
        MM : '%d ay',
        y : 'bir yıl',
        yy : '%d yıl'
    },
    dayOfMonthOrdinalParse: /\d{1,2}'(inci|nci|üncü|ncı|uncu|ıncı)/,
    ordinal : function (number) {
        if (number === 0) {  // special case for zero
            return number + '\'ıncı';
        }
        var a = number % 10,
            b = number % 100 - a,
            c = number >= 100 ? 100 : null;
        return number + (suffixes[a] || suffixes[b] || suffixes[c]);
    },
    week : {
        dow : 1, // Monday is the first day of the week.
        doy : 7  // The week that contains Jan 1st is the first week of the year.
    }
});

return tr;

})));


/***/ }),

/***/ "./node_modules/moment/locale/uk.js":
/*!******************************************!*\
  !*** ./node_modules/moment/locale/uk.js ***!
  \******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

//! moment.js locale configuration
//! locale : Ukrainian [uk]
//! author : zemlanin : https://github.com/zemlanin
//! Author : Menelion Elensúle : https://github.com/Oire

;(function (global, factory) {
    true ? factory(__webpack_require__(/*! ../moment */ "./node_modules/moment/moment.js")) :
   undefined
}(this, (function (moment) { 'use strict';


function plural(word, num) {
    var forms = word.split('_');
    return num % 10 === 1 && num % 100 !== 11 ? forms[0] : (num % 10 >= 2 && num % 10 <= 4 && (num % 100 < 10 || num % 100 >= 20) ? forms[1] : forms[2]);
}
function relativeTimeWithPlural(number, withoutSuffix, key) {
    var format = {
        'mm': withoutSuffix ? 'хвилина_хвилини_хвилин' : 'хвилину_хвилини_хвилин',
        'hh': withoutSuffix ? 'година_години_годин' : 'годину_години_годин',
        'dd': 'день_дні_днів',
        'MM': 'місяць_місяці_місяців',
        'yy': 'рік_роки_років'
    };
    if (key === 'm') {
        return withoutSuffix ? 'хвилина' : 'хвилину';
    }
    else if (key === 'h') {
        return withoutSuffix ? 'година' : 'годину';
    }
    else {
        return number + ' ' + plural(format[key], +number);
    }
}
function weekdaysCaseReplace(m, format) {
    var weekdays = {
        'nominative': 'неділя_понеділок_вівторок_середа_четвер_п’ятниця_субота'.split('_'),
        'accusative': 'неділю_понеділок_вівторок_середу_четвер_п’ятницю_суботу'.split('_'),
        'genitive': 'неділі_понеділка_вівторка_середи_четверга_п’ятниці_суботи'.split('_')
    };

    if (!m) {
        return weekdays['nominative'];
    }

    var nounCase = (/(\[[ВвУу]\]) ?dddd/).test(format) ?
        'accusative' :
        ((/\[?(?:минулої|наступної)? ?\] ?dddd/).test(format) ?
            'genitive' :
            'nominative');
    return weekdays[nounCase][m.day()];
}
function processHoursFunction(str) {
    return function () {
        return str + 'о' + (this.hours() === 11 ? 'б' : '') + '] LT';
    };
}

var uk = moment.defineLocale('uk', {
    months : {
        'format': 'січня_лютого_березня_квітня_травня_червня_липня_серпня_вересня_жовтня_листопада_грудня'.split('_'),
        'standalone': 'січень_лютий_березень_квітень_травень_червень_липень_серпень_вересень_жовтень_листопад_грудень'.split('_')
    },
    monthsShort : 'січ_лют_бер_квіт_трав_черв_лип_серп_вер_жовт_лист_груд'.split('_'),
    weekdays : weekdaysCaseReplace,
    weekdaysShort : 'нд_пн_вт_ср_чт_пт_сб'.split('_'),
    weekdaysMin : 'нд_пн_вт_ср_чт_пт_сб'.split('_'),
    longDateFormat : {
        LT : 'HH:mm',
        LTS : 'HH:mm:ss',
        L : 'DD.MM.YYYY',
        LL : 'D MMMM YYYY р.',
        LLL : 'D MMMM YYYY р., HH:mm',
        LLLL : 'dddd, D MMMM YYYY р., HH:mm'
    },
    calendar : {
        sameDay: processHoursFunction('[Сьогодні '),
        nextDay: processHoursFunction('[Завтра '),
        lastDay: processHoursFunction('[Вчора '),
        nextWeek: processHoursFunction('[У] dddd ['),
        lastWeek: function () {
            switch (this.day()) {
                case 0:
                case 3:
                case 5:
                case 6:
                    return processHoursFunction('[Минулої] dddd [').call(this);
                case 1:
                case 2:
                case 4:
                    return processHoursFunction('[Минулого] dddd [').call(this);
            }
        },
        sameElse: 'L'
    },
    relativeTime : {
        future : 'за %s',
        past : '%s тому',
        s : 'декілька секунд',
        m : relativeTimeWithPlural,
        mm : relativeTimeWithPlural,
        h : 'годину',
        hh : relativeTimeWithPlural,
        d : 'день',
        dd : relativeTimeWithPlural,
        M : 'місяць',
        MM : relativeTimeWithPlural,
        y : 'рік',
        yy : relativeTimeWithPlural
    },
    // M. E.: those two are virtually unused but a user might want to implement them for his/her website for some reason
    meridiemParse: /ночі|ранку|дня|вечора/,
    isPM: function (input) {
        return /^(дня|вечора)$/.test(input);
    },
    meridiem : function (hour, minute, isLower) {
        if (hour < 4) {
            return 'ночі';
        } else if (hour < 12) {
            return 'ранку';
        } else if (hour < 17) {
            return 'дня';
        } else {
            return 'вечора';
        }
    },
    dayOfMonthOrdinalParse: /\d{1,2}-(й|го)/,
    ordinal: function (number, period) {
        switch (period) {
            case 'M':
            case 'd':
            case 'DDD':
            case 'w':
            case 'W':
                return number + '-й';
            case 'D':
                return number + '-го';
            default:
                return number;
        }
    },
    week : {
        dow : 1, // Monday is the first day of the week.
        doy : 7  // The week that contains Jan 1st is the first week of the year.
    }
});

return uk;

})));


/***/ }),

/***/ "./node_modules/moment/locale/zh-cn.js":
/*!*********************************************!*\
  !*** ./node_modules/moment/locale/zh-cn.js ***!
  \*********************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

//! moment.js locale configuration
//! locale : Chinese (China) [zh-cn]
//! author : suupic : https://github.com/suupic
//! author : Zeno Zeng : https://github.com/zenozeng

;(function (global, factory) {
    true ? factory(__webpack_require__(/*! ../moment */ "./node_modules/moment/moment.js")) :
   undefined
}(this, (function (moment) { 'use strict';


var zhCn = moment.defineLocale('zh-cn', {
    months : '一月_二月_三月_四月_五月_六月_七月_八月_九月_十月_十一月_十二月'.split('_'),
    monthsShort : '1月_2月_3月_4月_5月_6月_7月_8月_9月_10月_11月_12月'.split('_'),
    weekdays : '星期日_星期一_星期二_星期三_星期四_星期五_星期六'.split('_'),
    weekdaysShort : '周日_周一_周二_周三_周四_周五_周六'.split('_'),
    weekdaysMin : '日_一_二_三_四_五_六'.split('_'),
    longDateFormat : {
        LT : 'HH:mm',
        LTS : 'HH:mm:ss',
        L : 'YYYY年MMMD日',
        LL : 'YYYY年MMMD日',
        LLL : 'YYYY年MMMD日Ah点mm分',
        LLLL : 'YYYY年MMMD日ddddAh点mm分',
        l : 'YYYY年MMMD日',
        ll : 'YYYY年MMMD日',
        lll : 'YYYY年MMMD日 HH:mm',
        llll : 'YYYY年MMMD日dddd HH:mm'
    },
    meridiemParse: /凌晨|早上|上午|中午|下午|晚上/,
    meridiemHour: function (hour, meridiem) {
        if (hour === 12) {
            hour = 0;
        }
        if (meridiem === '凌晨' || meridiem === '早上' ||
                meridiem === '上午') {
            return hour;
        } else if (meridiem === '下午' || meridiem === '晚上') {
            return hour + 12;
        } else {
            // '中午'
            return hour >= 11 ? hour : hour + 12;
        }
    },
    meridiem : function (hour, minute, isLower) {
        var hm = hour * 100 + minute;
        if (hm < 600) {
            return '凌晨';
        } else if (hm < 900) {
            return '早上';
        } else if (hm < 1130) {
            return '上午';
        } else if (hm < 1230) {
            return '中午';
        } else if (hm < 1800) {
            return '下午';
        } else {
            return '晚上';
        }
    },
    calendar : {
        sameDay : '[今天]LT',
        nextDay : '[明天]LT',
        nextWeek : '[下]ddddLT',
        lastDay : '[昨天]LT',
        lastWeek : '[上]ddddLT',
        sameElse : 'L'
    },
    dayOfMonthOrdinalParse: /\d{1,2}(日|月|周)/,
    ordinal : function (number, period) {
        switch (period) {
            case 'd':
            case 'D':
            case 'DDD':
                return number + '日';
            case 'M':
                return number + '月';
            case 'w':
            case 'W':
                return number + '周';
            default:
                return number;
        }
    },
    relativeTime : {
        future : '%s内',
        past : '%s前',
        s : '几秒',
        m : '1 分钟',
        mm : '%d 分钟',
        h : '1 小时',
        hh : '%d 小时',
        d : '1 天',
        dd : '%d 天',
        M : '1 个月',
        MM : '%d 个月',
        y : '1 年',
        yy : '%d 年'
    },
    week : {
        // GB/T 7408-1994《数据元和交换格式·信息交换·日期和时间表示法》与ISO 8601:1988等效
        dow : 1, // Monday is the first day of the week.
        doy : 4  // The week that contains Jan 4th is the first week of the year.
    }
});

return zhCn;

})));


/***/ }),

/***/ "./node_modules/moment/locale/zh-tw.js":
/*!*********************************************!*\
  !*** ./node_modules/moment/locale/zh-tw.js ***!
  \*********************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

//! moment.js locale configuration
//! locale : Chinese (Taiwan) [zh-tw]
//! author : Ben : https://github.com/ben-lin
//! author : Chris Lam : https://github.com/hehachris

;(function (global, factory) {
    true ? factory(__webpack_require__(/*! ../moment */ "./node_modules/moment/moment.js")) :
   undefined
}(this, (function (moment) { 'use strict';


var zhTw = moment.defineLocale('zh-tw', {
    months : '一月_二月_三月_四月_五月_六月_七月_八月_九月_十月_十一月_十二月'.split('_'),
    monthsShort : '1月_2月_3月_4月_5月_6月_7月_8月_9月_10月_11月_12月'.split('_'),
    weekdays : '星期日_星期一_星期二_星期三_星期四_星期五_星期六'.split('_'),
    weekdaysShort : '週日_週一_週二_週三_週四_週五_週六'.split('_'),
    weekdaysMin : '日_一_二_三_四_五_六'.split('_'),
    longDateFormat : {
        LT : 'HH:mm',
        LTS : 'HH:mm:ss',
        L : 'YYYY年MMMD日',
        LL : 'YYYY年MMMD日',
        LLL : 'YYYY年MMMD日 HH:mm',
        LLLL : 'YYYY年MMMD日dddd HH:mm',
        l : 'YYYY年MMMD日',
        ll : 'YYYY年MMMD日',
        lll : 'YYYY年MMMD日 HH:mm',
        llll : 'YYYY年MMMD日dddd HH:mm'
    },
    meridiemParse: /凌晨|早上|上午|中午|下午|晚上/,
    meridiemHour : function (hour, meridiem) {
        if (hour === 12) {
            hour = 0;
        }
        if (meridiem === '凌晨' || meridiem === '早上' || meridiem === '上午') {
            return hour;
        } else if (meridiem === '中午') {
            return hour >= 11 ? hour : hour + 12;
        } else if (meridiem === '下午' || meridiem === '晚上') {
            return hour + 12;
        }
    },
    meridiem : function (hour, minute, isLower) {
        var hm = hour * 100 + minute;
        if (hm < 600) {
            return '凌晨';
        } else if (hm < 900) {
            return '早上';
        } else if (hm < 1130) {
            return '上午';
        } else if (hm < 1230) {
            return '中午';
        } else if (hm < 1800) {
            return '下午';
        } else {
            return '晚上';
        }
    },
    calendar : {
        sameDay : '[今天]LT',
        nextDay : '[明天]LT',
        nextWeek : '[下]ddddLT',
        lastDay : '[昨天]LT',
        lastWeek : '[上]ddddLT',
        sameElse : 'L'
    },
    dayOfMonthOrdinalParse: /\d{1,2}(日|月|週)/,
    ordinal : function (number, period) {
        switch (period) {
            case 'd' :
            case 'D' :
            case 'DDD' :
                return number + '日';
            case 'M' :
                return number + '月';
            case 'w' :
            case 'W' :
                return number + '週';
            default :
                return number;
        }
    },
    relativeTime : {
        future : '%s內',
        past : '%s前',
        s : '幾秒',
        m : '1 分鐘',
        mm : '%d 分鐘',
        h : '1 小時',
        hh : '%d 小時',
        d : '1 天',
        dd : '%d 天',
        M : '1 個月',
        MM : '%d 個月',
        y : '1 年',
        yy : '%d 年'
    }
});

return zhTw;

})));


/***/ }),

/***/ "./node_modules/moment/moment.js":
/*!***************************************!*\
  !*** ./node_modules/moment/moment.js ***!
  \***************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

/* WEBPACK VAR INJECTION */(function(module) {var require;//! moment.js
//! version : 2.19.4
//! authors : Tim Wood, Iskren Chernev, Moment.js contributors
//! license : MIT
//! momentjs.com

;(function (global, factory) {
     true ? module.exports = factory() :
    undefined
}(this, (function () { 'use strict';

var hookCallback;

function hooks () {
    return hookCallback.apply(null, arguments);
}

// This is done to register the method called with moment()
// without creating circular dependencies.
function setHookCallback (callback) {
    hookCallback = callback;
}

function isArray(input) {
    return input instanceof Array || Object.prototype.toString.call(input) === '[object Array]';
}

function isObject(input) {
    // IE8 will treat undefined and null as object if it wasn't for
    // input != null
    return input != null && Object.prototype.toString.call(input) === '[object Object]';
}

function isObjectEmpty(obj) {
    if (Object.getOwnPropertyNames) {
        return (Object.getOwnPropertyNames(obj).length === 0);
    } else {
        var k;
        for (k in obj) {
            if (obj.hasOwnProperty(k)) {
                return false;
            }
        }
        return true;
    }
}

function isUndefined(input) {
    return input === void 0;
}

function isNumber(input) {
    return typeof input === 'number' || Object.prototype.toString.call(input) === '[object Number]';
}

function isDate(input) {
    return input instanceof Date || Object.prototype.toString.call(input) === '[object Date]';
}

function map(arr, fn) {
    var res = [], i;
    for (i = 0; i < arr.length; ++i) {
        res.push(fn(arr[i], i));
    }
    return res;
}

function hasOwnProp(a, b) {
    return Object.prototype.hasOwnProperty.call(a, b);
}

function extend(a, b) {
    for (var i in b) {
        if (hasOwnProp(b, i)) {
            a[i] = b[i];
        }
    }

    if (hasOwnProp(b, 'toString')) {
        a.toString = b.toString;
    }

    if (hasOwnProp(b, 'valueOf')) {
        a.valueOf = b.valueOf;
    }

    return a;
}

function createUTC (input, format, locale, strict) {
    return createLocalOrUTC(input, format, locale, strict, true).utc();
}

function defaultParsingFlags() {
    // We need to deep clone this object.
    return {
        empty           : false,
        unusedTokens    : [],
        unusedInput     : [],
        overflow        : -2,
        charsLeftOver   : 0,
        nullInput       : false,
        invalidMonth    : null,
        invalidFormat   : false,
        userInvalidated : false,
        iso             : false,
        parsedDateParts : [],
        meridiem        : null,
        rfc2822         : false,
        weekdayMismatch : false
    };
}

function getParsingFlags(m) {
    if (m._pf == null) {
        m._pf = defaultParsingFlags();
    }
    return m._pf;
}

var some;
if (Array.prototype.some) {
    some = Array.prototype.some;
} else {
    some = function (fun) {
        var t = Object(this);
        var len = t.length >>> 0;

        for (var i = 0; i < len; i++) {
            if (i in t && fun.call(this, t[i], i, t)) {
                return true;
            }
        }

        return false;
    };
}

function isValid(m) {
    if (m._isValid == null) {
        var flags = getParsingFlags(m);
        var parsedParts = some.call(flags.parsedDateParts, function (i) {
            return i != null;
        });
        var isNowValid = !isNaN(m._d.getTime()) &&
            flags.overflow < 0 &&
            !flags.empty &&
            !flags.invalidMonth &&
            !flags.invalidWeekday &&
            !flags.weekdayMismatch &&
            !flags.nullInput &&
            !flags.invalidFormat &&
            !flags.userInvalidated &&
            (!flags.meridiem || (flags.meridiem && parsedParts));

        if (m._strict) {
            isNowValid = isNowValid &&
                flags.charsLeftOver === 0 &&
                flags.unusedTokens.length === 0 &&
                flags.bigHour === undefined;
        }

        if (Object.isFrozen == null || !Object.isFrozen(m)) {
            m._isValid = isNowValid;
        }
        else {
            return isNowValid;
        }
    }
    return m._isValid;
}

function createInvalid (flags) {
    var m = createUTC(NaN);
    if (flags != null) {
        extend(getParsingFlags(m), flags);
    }
    else {
        getParsingFlags(m).userInvalidated = true;
    }

    return m;
}

// Plugins that add properties should also add the key here (null value),
// so we can properly clone ourselves.
var momentProperties = hooks.momentProperties = [];

function copyConfig(to, from) {
    var i, prop, val;

    if (!isUndefined(from._isAMomentObject)) {
        to._isAMomentObject = from._isAMomentObject;
    }
    if (!isUndefined(from._i)) {
        to._i = from._i;
    }
    if (!isUndefined(from._f)) {
        to._f = from._f;
    }
    if (!isUndefined(from._l)) {
        to._l = from._l;
    }
    if (!isUndefined(from._strict)) {
        to._strict = from._strict;
    }
    if (!isUndefined(from._tzm)) {
        to._tzm = from._tzm;
    }
    if (!isUndefined(from._isUTC)) {
        to._isUTC = from._isUTC;
    }
    if (!isUndefined(from._offset)) {
        to._offset = from._offset;
    }
    if (!isUndefined(from._pf)) {
        to._pf = getParsingFlags(from);
    }
    if (!isUndefined(from._locale)) {
        to._locale = from._locale;
    }

    if (momentProperties.length > 0) {
        for (i = 0; i < momentProperties.length; i++) {
            prop = momentProperties[i];
            val = from[prop];
            if (!isUndefined(val)) {
                to[prop] = val;
            }
        }
    }

    return to;
}

var updateInProgress = false;

// Moment prototype object
function Moment(config) {
    copyConfig(this, config);
    this._d = new Date(config._d != null ? config._d.getTime() : NaN);
    if (!this.isValid()) {
        this._d = new Date(NaN);
    }
    // Prevent infinite loop in case updateOffset creates new moment
    // objects.
    if (updateInProgress === false) {
        updateInProgress = true;
        hooks.updateOffset(this);
        updateInProgress = false;
    }
}

function isMoment (obj) {
    return obj instanceof Moment || (obj != null && obj._isAMomentObject != null);
}

function absFloor (number) {
    if (number < 0) {
        // -0 -> 0
        return Math.ceil(number) || 0;
    } else {
        return Math.floor(number);
    }
}

function toInt(argumentForCoercion) {
    var coercedNumber = +argumentForCoercion,
        value = 0;

    if (coercedNumber !== 0 && isFinite(coercedNumber)) {
        value = absFloor(coercedNumber);
    }

    return value;
}

// compare two arrays, return the number of differences
function compareArrays(array1, array2, dontConvert) {
    var len = Math.min(array1.length, array2.length),
        lengthDiff = Math.abs(array1.length - array2.length),
        diffs = 0,
        i;
    for (i = 0; i < len; i++) {
        if ((dontConvert && array1[i] !== array2[i]) ||
            (!dontConvert && toInt(array1[i]) !== toInt(array2[i]))) {
            diffs++;
        }
    }
    return diffs + lengthDiff;
}

function warn(msg) {
    if (hooks.suppressDeprecationWarnings === false &&
            (typeof console !==  'undefined') && console.warn) {
        console.warn('Deprecation warning: ' + msg);
    }
}

function deprecate(msg, fn) {
    var firstTime = true;

    return extend(function () {
        if (hooks.deprecationHandler != null) {
            hooks.deprecationHandler(null, msg);
        }
        if (firstTime) {
            var args = [];
            var arg;
            for (var i = 0; i < arguments.length; i++) {
                arg = '';
                if (typeof arguments[i] === 'object') {
                    arg += '\n[' + i + '] ';
                    for (var key in arguments[0]) {
                        arg += key + ': ' + arguments[0][key] + ', ';
                    }
                    arg = arg.slice(0, -2); // Remove trailing comma and space
                } else {
                    arg = arguments[i];
                }
                args.push(arg);
            }
            warn(msg + '\nArguments: ' + Array.prototype.slice.call(args).join('') + '\n' + (new Error()).stack);
            firstTime = false;
        }
        return fn.apply(this, arguments);
    }, fn);
}

var deprecations = {};

function deprecateSimple(name, msg) {
    if (hooks.deprecationHandler != null) {
        hooks.deprecationHandler(name, msg);
    }
    if (!deprecations[name]) {
        warn(msg);
        deprecations[name] = true;
    }
}

hooks.suppressDeprecationWarnings = false;
hooks.deprecationHandler = null;

function isFunction(input) {
    return input instanceof Function || Object.prototype.toString.call(input) === '[object Function]';
}

function set (config) {
    var prop, i;
    for (i in config) {
        prop = config[i];
        if (isFunction(prop)) {
            this[i] = prop;
        } else {
            this['_' + i] = prop;
        }
    }
    this._config = config;
    // Lenient ordinal parsing accepts just a number in addition to
    // number + (possibly) stuff coming from _dayOfMonthOrdinalParse.
    // TODO: Remove "ordinalParse" fallback in next major release.
    this._dayOfMonthOrdinalParseLenient = new RegExp(
        (this._dayOfMonthOrdinalParse.source || this._ordinalParse.source) +
            '|' + (/\d{1,2}/).source);
}

function mergeConfigs(parentConfig, childConfig) {
    var res = extend({}, parentConfig), prop;
    for (prop in childConfig) {
        if (hasOwnProp(childConfig, prop)) {
            if (isObject(parentConfig[prop]) && isObject(childConfig[prop])) {
                res[prop] = {};
                extend(res[prop], parentConfig[prop]);
                extend(res[prop], childConfig[prop]);
            } else if (childConfig[prop] != null) {
                res[prop] = childConfig[prop];
            } else {
                delete res[prop];
            }
        }
    }
    for (prop in parentConfig) {
        if (hasOwnProp(parentConfig, prop) &&
                !hasOwnProp(childConfig, prop) &&
                isObject(parentConfig[prop])) {
            // make sure changes to properties don't modify parent config
            res[prop] = extend({}, res[prop]);
        }
    }
    return res;
}

function Locale(config) {
    if (config != null) {
        this.set(config);
    }
}

var keys;

if (Object.keys) {
    keys = Object.keys;
} else {
    keys = function (obj) {
        var i, res = [];
        for (i in obj) {
            if (hasOwnProp(obj, i)) {
                res.push(i);
            }
        }
        return res;
    };
}

var defaultCalendar = {
    sameDay : '[Today at] LT',
    nextDay : '[Tomorrow at] LT',
    nextWeek : 'dddd [at] LT',
    lastDay : '[Yesterday at] LT',
    lastWeek : '[Last] dddd [at] LT',
    sameElse : 'L'
};

function calendar (key, mom, now) {
    var output = this._calendar[key] || this._calendar['sameElse'];
    return isFunction(output) ? output.call(mom, now) : output;
}

var defaultLongDateFormat = {
    LTS  : 'h:mm:ss A',
    LT   : 'h:mm A',
    L    : 'MM/DD/YYYY',
    LL   : 'MMMM D, YYYY',
    LLL  : 'MMMM D, YYYY h:mm A',
    LLLL : 'dddd, MMMM D, YYYY h:mm A'
};

function longDateFormat (key) {
    var format = this._longDateFormat[key],
        formatUpper = this._longDateFormat[key.toUpperCase()];

    if (format || !formatUpper) {
        return format;
    }

    this._longDateFormat[key] = formatUpper.replace(/MMMM|MM|DD|dddd/g, function (val) {
        return val.slice(1);
    });

    return this._longDateFormat[key];
}

var defaultInvalidDate = 'Invalid date';

function invalidDate () {
    return this._invalidDate;
}

var defaultOrdinal = '%d';
var defaultDayOfMonthOrdinalParse = /\d{1,2}/;

function ordinal (number) {
    return this._ordinal.replace('%d', number);
}

var defaultRelativeTime = {
    future : 'in %s',
    past   : '%s ago',
    s  : 'a few seconds',
    ss : '%d seconds',
    m  : 'a minute',
    mm : '%d minutes',
    h  : 'an hour',
    hh : '%d hours',
    d  : 'a day',
    dd : '%d days',
    M  : 'a month',
    MM : '%d months',
    y  : 'a year',
    yy : '%d years'
};

function relativeTime (number, withoutSuffix, string, isFuture) {
    var output = this._relativeTime[string];
    return (isFunction(output)) ?
        output(number, withoutSuffix, string, isFuture) :
        output.replace(/%d/i, number);
}

function pastFuture (diff, output) {
    var format = this._relativeTime[diff > 0 ? 'future' : 'past'];
    return isFunction(format) ? format(output) : format.replace(/%s/i, output);
}

var aliases = {};

function addUnitAlias (unit, shorthand) {
    var lowerCase = unit.toLowerCase();
    aliases[lowerCase] = aliases[lowerCase + 's'] = aliases[shorthand] = unit;
}

function normalizeUnits(units) {
    return typeof units === 'string' ? aliases[units] || aliases[units.toLowerCase()] : undefined;
}

function normalizeObjectUnits(inputObject) {
    var normalizedInput = {},
        normalizedProp,
        prop;

    for (prop in inputObject) {
        if (hasOwnProp(inputObject, prop)) {
            normalizedProp = normalizeUnits(prop);
            if (normalizedProp) {
                normalizedInput[normalizedProp] = inputObject[prop];
            }
        }
    }

    return normalizedInput;
}

var priorities = {};

function addUnitPriority(unit, priority) {
    priorities[unit] = priority;
}

function getPrioritizedUnits(unitsObj) {
    var units = [];
    for (var u in unitsObj) {
        units.push({unit: u, priority: priorities[u]});
    }
    units.sort(function (a, b) {
        return a.priority - b.priority;
    });
    return units;
}

function zeroFill(number, targetLength, forceSign) {
    var absNumber = '' + Math.abs(number),
        zerosToFill = targetLength - absNumber.length,
        sign = number >= 0;
    return (sign ? (forceSign ? '+' : '') : '-') +
        Math.pow(10, Math.max(0, zerosToFill)).toString().substr(1) + absNumber;
}

var formattingTokens = /(\[[^\[]*\])|(\\)?([Hh]mm(ss)?|Mo|MM?M?M?|Do|DDDo|DD?D?D?|ddd?d?|do?|w[o|w]?|W[o|W]?|Qo?|YYYYYY|YYYYY|YYYY|YY|gg(ggg?)?|GG(GGG?)?|e|E|a|A|hh?|HH?|kk?|mm?|ss?|S{1,9}|x|X|zz?|ZZ?|.)/g;

var localFormattingTokens = /(\[[^\[]*\])|(\\)?(LTS|LT|LL?L?L?|l{1,4})/g;

var formatFunctions = {};

var formatTokenFunctions = {};

// token:    'M'
// padded:   ['MM', 2]
// ordinal:  'Mo'
// callback: function () { this.month() + 1 }
function addFormatToken (token, padded, ordinal, callback) {
    var func = callback;
    if (typeof callback === 'string') {
        func = function () {
            return this[callback]();
        };
    }
    if (token) {
        formatTokenFunctions[token] = func;
    }
    if (padded) {
        formatTokenFunctions[padded[0]] = function () {
            return zeroFill(func.apply(this, arguments), padded[1], padded[2]);
        };
    }
    if (ordinal) {
        formatTokenFunctions[ordinal] = function () {
            return this.localeData().ordinal(func.apply(this, arguments), token);
        };
    }
}

function removeFormattingTokens(input) {
    if (input.match(/\[[\s\S]/)) {
        return input.replace(/^\[|\]$/g, '');
    }
    return input.replace(/\\/g, '');
}

function makeFormatFunction(format) {
    var array = format.match(formattingTokens), i, length;

    for (i = 0, length = array.length; i < length; i++) {
        if (formatTokenFunctions[array[i]]) {
            array[i] = formatTokenFunctions[array[i]];
        } else {
            array[i] = removeFormattingTokens(array[i]);
        }
    }

    return function (mom) {
        var output = '', i;
        for (i = 0; i < length; i++) {
            output += isFunction(array[i]) ? array[i].call(mom, format) : array[i];
        }
        return output;
    };
}

// format date using native date object
function formatMoment(m, format) {
    if (!m.isValid()) {
        return m.localeData().invalidDate();
    }

    format = expandFormat(format, m.localeData());
    formatFunctions[format] = formatFunctions[format] || makeFormatFunction(format);

    return formatFunctions[format](m);
}

function expandFormat(format, locale) {
    var i = 5;

    function replaceLongDateFormatTokens(input) {
        return locale.longDateFormat(input) || input;
    }

    localFormattingTokens.lastIndex = 0;
    while (i >= 0 && localFormattingTokens.test(format)) {
        format = format.replace(localFormattingTokens, replaceLongDateFormatTokens);
        localFormattingTokens.lastIndex = 0;
        i -= 1;
    }

    return format;
}

var match1         = /\d/;            //       0 - 9
var match2         = /\d\d/;          //      00 - 99
var match3         = /\d{3}/;         //     000 - 999
var match4         = /\d{4}/;         //    0000 - 9999
var match6         = /[+-]?\d{6}/;    // -999999 - 999999
var match1to2      = /\d\d?/;         //       0 - 99
var match3to4      = /\d\d\d\d?/;     //     999 - 9999
var match5to6      = /\d\d\d\d\d\d?/; //   99999 - 999999
var match1to3      = /\d{1,3}/;       //       0 - 999
var match1to4      = /\d{1,4}/;       //       0 - 9999
var match1to6      = /[+-]?\d{1,6}/;  // -999999 - 999999

var matchUnsigned  = /\d+/;           //       0 - inf
var matchSigned    = /[+-]?\d+/;      //    -inf - inf

var matchOffset    = /Z|[+-]\d\d:?\d\d/gi; // +00:00 -00:00 +0000 -0000 or Z
var matchShortOffset = /Z|[+-]\d\d(?::?\d\d)?/gi; // +00 -00 +00:00 -00:00 +0000 -0000 or Z

var matchTimestamp = /[+-]?\d+(\.\d{1,3})?/; // 123456789 123456789.123

// any word (or two) characters or numbers including two/three word month in arabic.
// includes scottish gaelic two word and hyphenated months
var matchWord = /[0-9]{0,256}['a-z\u00A0-\u05FF\u0700-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]{1,256}|[\u0600-\u06FF\/]{1,256}(\s*?[\u0600-\u06FF]{1,256}){1,2}/i;


var regexes = {};

function addRegexToken (token, regex, strictRegex) {
    regexes[token] = isFunction(regex) ? regex : function (isStrict, localeData) {
        return (isStrict && strictRegex) ? strictRegex : regex;
    };
}

function getParseRegexForToken (token, config) {
    if (!hasOwnProp(regexes, token)) {
        return new RegExp(unescapeFormat(token));
    }

    return regexes[token](config._strict, config._locale);
}

// Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript
function unescapeFormat(s) {
    return regexEscape(s.replace('\\', '').replace(/\\(\[)|\\(\])|\[([^\]\[]*)\]|\\(.)/g, function (matched, p1, p2, p3, p4) {
        return p1 || p2 || p3 || p4;
    }));
}

function regexEscape(s) {
    return s.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&');
}

var tokens = {};

function addParseToken (token, callback) {
    var i, func = callback;
    if (typeof token === 'string') {
        token = [token];
    }
    if (isNumber(callback)) {
        func = function (input, array) {
            array[callback] = toInt(input);
        };
    }
    for (i = 0; i < token.length; i++) {
        tokens[token[i]] = func;
    }
}

function addWeekParseToken (token, callback) {
    addParseToken(token, function (input, array, config, token) {
        config._w = config._w || {};
        callback(input, config._w, config, token);
    });
}

function addTimeToArrayFromToken(token, input, config) {
    if (input != null && hasOwnProp(tokens, token)) {
        tokens[token](input, config._a, config, token);
    }
}

var YEAR = 0;
var MONTH = 1;
var DATE = 2;
var HOUR = 3;
var MINUTE = 4;
var SECOND = 5;
var MILLISECOND = 6;
var WEEK = 7;
var WEEKDAY = 8;

// FORMATTING

addFormatToken('Y', 0, 0, function () {
    var y = this.year();
    return y <= 9999 ? '' + y : '+' + y;
});

addFormatToken(0, ['YY', 2], 0, function () {
    return this.year() % 100;
});

addFormatToken(0, ['YYYY',   4],       0, 'year');
addFormatToken(0, ['YYYYY',  5],       0, 'year');
addFormatToken(0, ['YYYYYY', 6, true], 0, 'year');

// ALIASES

addUnitAlias('year', 'y');

// PRIORITIES

addUnitPriority('year', 1);

// PARSING

addRegexToken('Y',      matchSigned);
addRegexToken('YY',     match1to2, match2);
addRegexToken('YYYY',   match1to4, match4);
addRegexToken('YYYYY',  match1to6, match6);
addRegexToken('YYYYYY', match1to6, match6);

addParseToken(['YYYYY', 'YYYYYY'], YEAR);
addParseToken('YYYY', function (input, array) {
    array[YEAR] = input.length === 2 ? hooks.parseTwoDigitYear(input) : toInt(input);
});
addParseToken('YY', function (input, array) {
    array[YEAR] = hooks.parseTwoDigitYear(input);
});
addParseToken('Y', function (input, array) {
    array[YEAR] = parseInt(input, 10);
});

// HELPERS

function daysInYear(year) {
    return isLeapYear(year) ? 366 : 365;
}

function isLeapYear(year) {
    return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0;
}

// HOOKS

hooks.parseTwoDigitYear = function (input) {
    return toInt(input) + (toInt(input) > 68 ? 1900 : 2000);
};

// MOMENTS

var getSetYear = makeGetSet('FullYear', true);

function getIsLeapYear () {
    return isLeapYear(this.year());
}

function makeGetSet (unit, keepTime) {
    return function (value) {
        if (value != null) {
            set$1(this, unit, value);
            hooks.updateOffset(this, keepTime);
            return this;
        } else {
            return get(this, unit);
        }
    };
}

function get (mom, unit) {
    return mom.isValid() ?
        mom._d['get' + (mom._isUTC ? 'UTC' : '') + unit]() : NaN;
}

function set$1 (mom, unit, value) {
    if (mom.isValid() && !isNaN(value)) {
        if (unit === 'FullYear' && isLeapYear(mom.year()) && mom.month() === 1 && mom.date() === 29) {
            mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value, mom.month(), daysInMonth(value, mom.month()));
        }
        else {
            mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value);
        }
    }
}

// MOMENTS

function stringGet (units) {
    units = normalizeUnits(units);
    if (isFunction(this[units])) {
        return this[units]();
    }
    return this;
}


function stringSet (units, value) {
    if (typeof units === 'object') {
        units = normalizeObjectUnits(units);
        var prioritized = getPrioritizedUnits(units);
        for (var i = 0; i < prioritized.length; i++) {
            this[prioritized[i].unit](units[prioritized[i].unit]);
        }
    } else {
        units = normalizeUnits(units);
        if (isFunction(this[units])) {
            return this[units](value);
        }
    }
    return this;
}

function mod(n, x) {
    return ((n % x) + x) % x;
}

var indexOf;

if (Array.prototype.indexOf) {
    indexOf = Array.prototype.indexOf;
} else {
    indexOf = function (o) {
        // I know
        var i;
        for (i = 0; i < this.length; ++i) {
            if (this[i] === o) {
                return i;
            }
        }
        return -1;
    };
}

function daysInMonth(year, month) {
    if (isNaN(year) || isNaN(month)) {
        return NaN;
    }
    var modMonth = mod(month, 12);
    year += (month - modMonth) / 12;
    return modMonth === 1 ? (isLeapYear(year) ? 29 : 28) : (31 - modMonth % 7 % 2);
}

// FORMATTING

addFormatToken('M', ['MM', 2], 'Mo', function () {
    return this.month() + 1;
});

addFormatToken('MMM', 0, 0, function (format) {
    return this.localeData().monthsShort(this, format);
});

addFormatToken('MMMM', 0, 0, function (format) {
    return this.localeData().months(this, format);
});

// ALIASES

addUnitAlias('month', 'M');

// PRIORITY

addUnitPriority('month', 8);

// PARSING

addRegexToken('M',    match1to2);
addRegexToken('MM',   match1to2, match2);
addRegexToken('MMM',  function (isStrict, locale) {
    return locale.monthsShortRegex(isStrict);
});
addRegexToken('MMMM', function (isStrict, locale) {
    return locale.monthsRegex(isStrict);
});

addParseToken(['M', 'MM'], function (input, array) {
    array[MONTH] = toInt(input) - 1;
});

addParseToken(['MMM', 'MMMM'], function (input, array, config, token) {
    var month = config._locale.monthsParse(input, token, config._strict);
    // if we didn't find a month name, mark the date as invalid.
    if (month != null) {
        array[MONTH] = month;
    } else {
        getParsingFlags(config).invalidMonth = input;
    }
});

// LOCALES

var MONTHS_IN_FORMAT = /D[oD]?(\[[^\[\]]*\]|\s)+MMMM?/;
var defaultLocaleMonths = 'January_February_March_April_May_June_July_August_September_October_November_December'.split('_');
function localeMonths (m, format) {
    if (!m) {
        return isArray(this._months) ? this._months :
            this._months['standalone'];
    }
    return isArray(this._months) ? this._months[m.month()] :
        this._months[(this._months.isFormat || MONTHS_IN_FORMAT).test(format) ? 'format' : 'standalone'][m.month()];
}

var defaultLocaleMonthsShort = 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_');
function localeMonthsShort (m, format) {
    if (!m) {
        return isArray(this._monthsShort) ? this._monthsShort :
            this._monthsShort['standalone'];
    }
    return isArray(this._monthsShort) ? this._monthsShort[m.month()] :
        this._monthsShort[MONTHS_IN_FORMAT.test(format) ? 'format' : 'standalone'][m.month()];
}

function handleStrictParse(monthName, format, strict) {
    var i, ii, mom, llc = monthName.toLocaleLowerCase();
    if (!this._monthsParse) {
        // this is not used
        this._monthsParse = [];
        this._longMonthsParse = [];
        this._shortMonthsParse = [];
        for (i = 0; i < 12; ++i) {
            mom = createUTC([2000, i]);
            this._shortMonthsParse[i] = this.monthsShort(mom, '').toLocaleLowerCase();
            this._longMonthsParse[i] = this.months(mom, '').toLocaleLowerCase();
        }
    }

    if (strict) {
        if (format === 'MMM') {
            ii = indexOf.call(this._shortMonthsParse, llc);
            return ii !== -1 ? ii : null;
        } else {
            ii = indexOf.call(this._longMonthsParse, llc);
            return ii !== -1 ? ii : null;
        }
    } else {
        if (format === 'MMM') {
            ii = indexOf.call(this._shortMonthsParse, llc);
            if (ii !== -1) {
                return ii;
            }
            ii = indexOf.call(this._longMonthsParse, llc);
            return ii !== -1 ? ii : null;
        } else {
            ii = indexOf.call(this._longMonthsParse, llc);
            if (ii !== -1) {
                return ii;
            }
            ii = indexOf.call(this._shortMonthsParse, llc);
            return ii !== -1 ? ii : null;
        }
    }
}

function localeMonthsParse (monthName, format, strict) {
    var i, mom, regex;

    if (this._monthsParseExact) {
        return handleStrictParse.call(this, monthName, format, strict);
    }

    if (!this._monthsParse) {
        this._monthsParse = [];
        this._longMonthsParse = [];
        this._shortMonthsParse = [];
    }

    // TODO: add sorting
    // Sorting makes sure if one month (or abbr) is a prefix of another
    // see sorting in computeMonthsParse
    for (i = 0; i < 12; i++) {
        // make the regex if we don't have it already
        mom = createUTC([2000, i]);
        if (strict && !this._longMonthsParse[i]) {
            this._longMonthsParse[i] = new RegExp('^' + this.months(mom, '').replace('.', '') + '$', 'i');
            this._shortMonthsParse[i] = new RegExp('^' + this.monthsShort(mom, '').replace('.', '') + '$', 'i');
        }
        if (!strict && !this._monthsParse[i]) {
            regex = '^' + this.months(mom, '') + '|^' + this.monthsShort(mom, '');
            this._monthsParse[i] = new RegExp(regex.replace('.', ''), 'i');
        }
        // test the regex
        if (strict && format === 'MMMM' && this._longMonthsParse[i].test(monthName)) {
            return i;
        } else if (strict && format === 'MMM' && this._shortMonthsParse[i].test(monthName)) {
            return i;
        } else if (!strict && this._monthsParse[i].test(monthName)) {
            return i;
        }
    }
}

// MOMENTS

function setMonth (mom, value) {
    var dayOfMonth;

    if (!mom.isValid()) {
        // No op
        return mom;
    }

    if (typeof value === 'string') {
        if (/^\d+$/.test(value)) {
            value = toInt(value);
        } else {
            value = mom.localeData().monthsParse(value);
            // TODO: Another silent failure?
            if (!isNumber(value)) {
                return mom;
            }
        }
    }

    dayOfMonth = Math.min(mom.date(), daysInMonth(mom.year(), value));
    mom._d['set' + (mom._isUTC ? 'UTC' : '') + 'Month'](value, dayOfMonth);
    return mom;
}

function getSetMonth (value) {
    if (value != null) {
        setMonth(this, value);
        hooks.updateOffset(this, true);
        return this;
    } else {
        return get(this, 'Month');
    }
}

function getDaysInMonth () {
    return daysInMonth(this.year(), this.month());
}

var defaultMonthsShortRegex = matchWord;
function monthsShortRegex (isStrict) {
    if (this._monthsParseExact) {
        if (!hasOwnProp(this, '_monthsRegex')) {
            computeMonthsParse.call(this);
        }
        if (isStrict) {
            return this._monthsShortStrictRegex;
        } else {
            return this._monthsShortRegex;
        }
    } else {
        if (!hasOwnProp(this, '_monthsShortRegex')) {
            this._monthsShortRegex = defaultMonthsShortRegex;
        }
        return this._monthsShortStrictRegex && isStrict ?
            this._monthsShortStrictRegex : this._monthsShortRegex;
    }
}

var defaultMonthsRegex = matchWord;
function monthsRegex (isStrict) {
    if (this._monthsParseExact) {
        if (!hasOwnProp(this, '_monthsRegex')) {
            computeMonthsParse.call(this);
        }
        if (isStrict) {
            return this._monthsStrictRegex;
        } else {
            return this._monthsRegex;
        }
    } else {
        if (!hasOwnProp(this, '_monthsRegex')) {
            this._monthsRegex = defaultMonthsRegex;
        }
        return this._monthsStrictRegex && isStrict ?
            this._monthsStrictRegex : this._monthsRegex;
    }
}

function computeMonthsParse () {
    function cmpLenRev(a, b) {
        return b.length - a.length;
    }

    var shortPieces = [], longPieces = [], mixedPieces = [],
        i, mom;
    for (i = 0; i < 12; i++) {
        // make the regex if we don't have it already
        mom = createUTC([2000, i]);
        shortPieces.push(this.monthsShort(mom, ''));
        longPieces.push(this.months(mom, ''));
        mixedPieces.push(this.months(mom, ''));
        mixedPieces.push(this.monthsShort(mom, ''));
    }
    // Sorting makes sure if one month (or abbr) is a prefix of another it
    // will match the longer piece.
    shortPieces.sort(cmpLenRev);
    longPieces.sort(cmpLenRev);
    mixedPieces.sort(cmpLenRev);
    for (i = 0; i < 12; i++) {
        shortPieces[i] = regexEscape(shortPieces[i]);
        longPieces[i] = regexEscape(longPieces[i]);
    }
    for (i = 0; i < 24; i++) {
        mixedPieces[i] = regexEscape(mixedPieces[i]);
    }

    this._monthsRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');
    this._monthsShortRegex = this._monthsRegex;
    this._monthsStrictRegex = new RegExp('^(' + longPieces.join('|') + ')', 'i');
    this._monthsShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')', 'i');
}

function createDate (y, m, d, h, M, s, ms) {
    // can't just apply() to create a date:
    // https://stackoverflow.com/q/181348
    var date = new Date(y, m, d, h, M, s, ms);

    // the date constructor remaps years 0-99 to 1900-1999
    if (y < 100 && y >= 0 && isFinite(date.getFullYear())) {
        date.setFullYear(y);
    }
    return date;
}

function createUTCDate (y) {
    var date = new Date(Date.UTC.apply(null, arguments));

    // the Date.UTC function remaps years 0-99 to 1900-1999
    if (y < 100 && y >= 0 && isFinite(date.getUTCFullYear())) {
        date.setUTCFullYear(y);
    }
    return date;
}

// start-of-first-week - start-of-year
function firstWeekOffset(year, dow, doy) {
    var // first-week day -- which january is always in the first week (4 for iso, 1 for other)
        fwd = 7 + dow - doy,
        // first-week day local weekday -- which local weekday is fwd
        fwdlw = (7 + createUTCDate(year, 0, fwd).getUTCDay() - dow) % 7;

    return -fwdlw + fwd - 1;
}

// https://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday
function dayOfYearFromWeeks(year, week, weekday, dow, doy) {
    var localWeekday = (7 + weekday - dow) % 7,
        weekOffset = firstWeekOffset(year, dow, doy),
        dayOfYear = 1 + 7 * (week - 1) + localWeekday + weekOffset,
        resYear, resDayOfYear;

    if (dayOfYear <= 0) {
        resYear = year - 1;
        resDayOfYear = daysInYear(resYear) + dayOfYear;
    } else if (dayOfYear > daysInYear(year)) {
        resYear = year + 1;
        resDayOfYear = dayOfYear - daysInYear(year);
    } else {
        resYear = year;
        resDayOfYear = dayOfYear;
    }

    return {
        year: resYear,
        dayOfYear: resDayOfYear
    };
}

function weekOfYear(mom, dow, doy) {
    var weekOffset = firstWeekOffset(mom.year(), dow, doy),
        week = Math.floor((mom.dayOfYear() - weekOffset - 1) / 7) + 1,
        resWeek, resYear;

    if (week < 1) {
        resYear = mom.year() - 1;
        resWeek = week + weeksInYear(resYear, dow, doy);
    } else if (week > weeksInYear(mom.year(), dow, doy)) {
        resWeek = week - weeksInYear(mom.year(), dow, doy);
        resYear = mom.year() + 1;
    } else {
        resYear = mom.year();
        resWeek = week;
    }

    return {
        week: resWeek,
        year: resYear
    };
}

function weeksInYear(year, dow, doy) {
    var weekOffset = firstWeekOffset(year, dow, doy),
        weekOffsetNext = firstWeekOffset(year + 1, dow, doy);
    return (daysInYear(year) - weekOffset + weekOffsetNext) / 7;
}

// FORMATTING

addFormatToken('w', ['ww', 2], 'wo', 'week');
addFormatToken('W', ['WW', 2], 'Wo', 'isoWeek');

// ALIASES

addUnitAlias('week', 'w');
addUnitAlias('isoWeek', 'W');

// PRIORITIES

addUnitPriority('week', 5);
addUnitPriority('isoWeek', 5);

// PARSING

addRegexToken('w',  match1to2);
addRegexToken('ww', match1to2, match2);
addRegexToken('W',  match1to2);
addRegexToken('WW', match1to2, match2);

addWeekParseToken(['w', 'ww', 'W', 'WW'], function (input, week, config, token) {
    week[token.substr(0, 1)] = toInt(input);
});

// HELPERS

// LOCALES

function localeWeek (mom) {
    return weekOfYear(mom, this._week.dow, this._week.doy).week;
}

var defaultLocaleWeek = {
    dow : 0, // Sunday is the first day of the week.
    doy : 6  // The week that contains Jan 1st is the first week of the year.
};

function localeFirstDayOfWeek () {
    return this._week.dow;
}

function localeFirstDayOfYear () {
    return this._week.doy;
}

// MOMENTS

function getSetWeek (input) {
    var week = this.localeData().week(this);
    return input == null ? week : this.add((input - week) * 7, 'd');
}

function getSetISOWeek (input) {
    var week = weekOfYear(this, 1, 4).week;
    return input == null ? week : this.add((input - week) * 7, 'd');
}

// FORMATTING

addFormatToken('d', 0, 'do', 'day');

addFormatToken('dd', 0, 0, function (format) {
    return this.localeData().weekdaysMin(this, format);
});

addFormatToken('ddd', 0, 0, function (format) {
    return this.localeData().weekdaysShort(this, format);
});

addFormatToken('dddd', 0, 0, function (format) {
    return this.localeData().weekdays(this, format);
});

addFormatToken('e', 0, 0, 'weekday');
addFormatToken('E', 0, 0, 'isoWeekday');

// ALIASES

addUnitAlias('day', 'd');
addUnitAlias('weekday', 'e');
addUnitAlias('isoWeekday', 'E');

// PRIORITY
addUnitPriority('day', 11);
addUnitPriority('weekday', 11);
addUnitPriority('isoWeekday', 11);

// PARSING

addRegexToken('d',    match1to2);
addRegexToken('e',    match1to2);
addRegexToken('E',    match1to2);
addRegexToken('dd',   function (isStrict, locale) {
    return locale.weekdaysMinRegex(isStrict);
});
addRegexToken('ddd',   function (isStrict, locale) {
    return locale.weekdaysShortRegex(isStrict);
});
addRegexToken('dddd',   function (isStrict, locale) {
    return locale.weekdaysRegex(isStrict);
});

addWeekParseToken(['dd', 'ddd', 'dddd'], function (input, week, config, token) {
    var weekday = config._locale.weekdaysParse(input, token, config._strict);
    // if we didn't get a weekday name, mark the date as invalid
    if (weekday != null) {
        week.d = weekday;
    } else {
        getParsingFlags(config).invalidWeekday = input;
    }
});

addWeekParseToken(['d', 'e', 'E'], function (input, week, config, token) {
    week[token] = toInt(input);
});

// HELPERS

function parseWeekday(input, locale) {
    if (typeof input !== 'string') {
        return input;
    }

    if (!isNaN(input)) {
        return parseInt(input, 10);
    }

    input = locale.weekdaysParse(input);
    if (typeof input === 'number') {
        return input;
    }

    return null;
}

function parseIsoWeekday(input, locale) {
    if (typeof input === 'string') {
        return locale.weekdaysParse(input) % 7 || 7;
    }
    return isNaN(input) ? null : input;
}

// LOCALES

var defaultLocaleWeekdays = 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_');
function localeWeekdays (m, format) {
    if (!m) {
        return isArray(this._weekdays) ? this._weekdays :
            this._weekdays['standalone'];
    }
    return isArray(this._weekdays) ? this._weekdays[m.day()] :
        this._weekdays[this._weekdays.isFormat.test(format) ? 'format' : 'standalone'][m.day()];
}

var defaultLocaleWeekdaysShort = 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_');
function localeWeekdaysShort (m) {
    return (m) ? this._weekdaysShort[m.day()] : this._weekdaysShort;
}

var defaultLocaleWeekdaysMin = 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_');
function localeWeekdaysMin (m) {
    return (m) ? this._weekdaysMin[m.day()] : this._weekdaysMin;
}

function handleStrictParse$1(weekdayName, format, strict) {
    var i, ii, mom, llc = weekdayName.toLocaleLowerCase();
    if (!this._weekdaysParse) {
        this._weekdaysParse = [];
        this._shortWeekdaysParse = [];
        this._minWeekdaysParse = [];

        for (i = 0; i < 7; ++i) {
            mom = createUTC([2000, 1]).day(i);
            this._minWeekdaysParse[i] = this.weekdaysMin(mom, '').toLocaleLowerCase();
            this._shortWeekdaysParse[i] = this.weekdaysShort(mom, '').toLocaleLowerCase();
            this._weekdaysParse[i] = this.weekdays(mom, '').toLocaleLowerCase();
        }
    }

    if (strict) {
        if (format === 'dddd') {
            ii = indexOf.call(this._weekdaysParse, llc);
            return ii !== -1 ? ii : null;
        } else if (format === 'ddd') {
            ii = indexOf.call(this._shortWeekdaysParse, llc);
            return ii !== -1 ? ii : null;
        } else {
            ii = indexOf.call(this._minWeekdaysParse, llc);
            return ii !== -1 ? ii : null;
        }
    } else {
        if (format === 'dddd') {
            ii = indexOf.call(this._weekdaysParse, llc);
            if (ii !== -1) {
                return ii;
            }
            ii = indexOf.call(this._shortWeekdaysParse, llc);
            if (ii !== -1) {
                return ii;
            }
            ii = indexOf.call(this._minWeekdaysParse, llc);
            return ii !== -1 ? ii : null;
        } else if (format === 'ddd') {
            ii = indexOf.call(this._shortWeekdaysParse, llc);
            if (ii !== -1) {
                return ii;
            }
            ii = indexOf.call(this._weekdaysParse, llc);
            if (ii !== -1) {
                return ii;
            }
            ii = indexOf.call(this._minWeekdaysParse, llc);
            return ii !== -1 ? ii : null;
        } else {
            ii = indexOf.call(this._minWeekdaysParse, llc);
            if (ii !== -1) {
                return ii;
            }
            ii = indexOf.call(this._weekdaysParse, llc);
            if (ii !== -1) {
                return ii;
            }
            ii = indexOf.call(this._shortWeekdaysParse, llc);
            return ii !== -1 ? ii : null;
        }
    }
}

function localeWeekdaysParse (weekdayName, format, strict) {
    var i, mom, regex;

    if (this._weekdaysParseExact) {
        return handleStrictParse$1.call(this, weekdayName, format, strict);
    }

    if (!this._weekdaysParse) {
        this._weekdaysParse = [];
        this._minWeekdaysParse = [];
        this._shortWeekdaysParse = [];
        this._fullWeekdaysParse = [];
    }

    for (i = 0; i < 7; i++) {
        // make the regex if we don't have it already

        mom = createUTC([2000, 1]).day(i);
        if (strict && !this._fullWeekdaysParse[i]) {
            this._fullWeekdaysParse[i] = new RegExp('^' + this.weekdays(mom, '').replace('.', '\.?') + '$', 'i');
            this._shortWeekdaysParse[i] = new RegExp('^' + this.weekdaysShort(mom, '').replace('.', '\.?') + '$', 'i');
            this._minWeekdaysParse[i] = new RegExp('^' + this.weekdaysMin(mom, '').replace('.', '\.?') + '$', 'i');
        }
        if (!this._weekdaysParse[i]) {
            regex = '^' + this.weekdays(mom, '') + '|^' + this.weekdaysShort(mom, '') + '|^' + this.weekdaysMin(mom, '');
            this._weekdaysParse[i] = new RegExp(regex.replace('.', ''), 'i');
        }
        // test the regex
        if (strict && format === 'dddd' && this._fullWeekdaysParse[i].test(weekdayName)) {
            return i;
        } else if (strict && format === 'ddd' && this._shortWeekdaysParse[i].test(weekdayName)) {
            return i;
        } else if (strict && format === 'dd' && this._minWeekdaysParse[i].test(weekdayName)) {
            return i;
        } else if (!strict && this._weekdaysParse[i].test(weekdayName)) {
            return i;
        }
    }
}

// MOMENTS

function getSetDayOfWeek (input) {
    if (!this.isValid()) {
        return input != null ? this : NaN;
    }
    var day = this._isUTC ? this._d.getUTCDay() : this._d.getDay();
    if (input != null) {
        input = parseWeekday(input, this.localeData());
        return this.add(input - day, 'd');
    } else {
        return day;
    }
}

function getSetLocaleDayOfWeek (input) {
    if (!this.isValid()) {
        return input != null ? this : NaN;
    }
    var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7;
    return input == null ? weekday : this.add(input - weekday, 'd');
}

function getSetISODayOfWeek (input) {
    if (!this.isValid()) {
        return input != null ? this : NaN;
    }

    // behaves the same as moment#day except
    // as a getter, returns 7 instead of 0 (1-7 range instead of 0-6)
    // as a setter, sunday should belong to the previous week.

    if (input != null) {
        var weekday = parseIsoWeekday(input, this.localeData());
        return this.day(this.day() % 7 ? weekday : weekday - 7);
    } else {
        return this.day() || 7;
    }
}

var defaultWeekdaysRegex = matchWord;
function weekdaysRegex (isStrict) {
    if (this._weekdaysParseExact) {
        if (!hasOwnProp(this, '_weekdaysRegex')) {
            computeWeekdaysParse.call(this);
        }
        if (isStrict) {
            return this._weekdaysStrictRegex;
        } else {
            return this._weekdaysRegex;
        }
    } else {
        if (!hasOwnProp(this, '_weekdaysRegex')) {
            this._weekdaysRegex = defaultWeekdaysRegex;
        }
        return this._weekdaysStrictRegex && isStrict ?
            this._weekdaysStrictRegex : this._weekdaysRegex;
    }
}

var defaultWeekdaysShortRegex = matchWord;
function weekdaysShortRegex (isStrict) {
    if (this._weekdaysParseExact) {
        if (!hasOwnProp(this, '_weekdaysRegex')) {
            computeWeekdaysParse.call(this);
        }
        if (isStrict) {
            return this._weekdaysShortStrictRegex;
        } else {
            return this._weekdaysShortRegex;
        }
    } else {
        if (!hasOwnProp(this, '_weekdaysShortRegex')) {
            this._weekdaysShortRegex = defaultWeekdaysShortRegex;
        }
        return this._weekdaysShortStrictRegex && isStrict ?
            this._weekdaysShortStrictRegex : this._weekdaysShortRegex;
    }
}

var defaultWeekdaysMinRegex = matchWord;
function weekdaysMinRegex (isStrict) {
    if (this._weekdaysParseExact) {
        if (!hasOwnProp(this, '_weekdaysRegex')) {
            computeWeekdaysParse.call(this);
        }
        if (isStrict) {
            return this._weekdaysMinStrictRegex;
        } else {
            return this._weekdaysMinRegex;
        }
    } else {
        if (!hasOwnProp(this, '_weekdaysMinRegex')) {
            this._weekdaysMinRegex = defaultWeekdaysMinRegex;
        }
        return this._weekdaysMinStrictRegex && isStrict ?
            this._weekdaysMinStrictRegex : this._weekdaysMinRegex;
    }
}


function computeWeekdaysParse () {
    function cmpLenRev(a, b) {
        return b.length - a.length;
    }

    var minPieces = [], shortPieces = [], longPieces = [], mixedPieces = [],
        i, mom, minp, shortp, longp;
    for (i = 0; i < 7; i++) {
        // make the regex if we don't have it already
        mom = createUTC([2000, 1]).day(i);
        minp = this.weekdaysMin(mom, '');
        shortp = this.weekdaysShort(mom, '');
        longp = this.weekdays(mom, '');
        minPieces.push(minp);
        shortPieces.push(shortp);
        longPieces.push(longp);
        mixedPieces.push(minp);
        mixedPieces.push(shortp);
        mixedPieces.push(longp);
    }
    // Sorting makes sure if one weekday (or abbr) is a prefix of another it
    // will match the longer piece.
    minPieces.sort(cmpLenRev);
    shortPieces.sort(cmpLenRev);
    longPieces.sort(cmpLenRev);
    mixedPieces.sort(cmpLenRev);
    for (i = 0; i < 7; i++) {
        shortPieces[i] = regexEscape(shortPieces[i]);
        longPieces[i] = regexEscape(longPieces[i]);
        mixedPieces[i] = regexEscape(mixedPieces[i]);
    }

    this._weekdaysRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');
    this._weekdaysShortRegex = this._weekdaysRegex;
    this._weekdaysMinRegex = this._weekdaysRegex;

    this._weekdaysStrictRegex = new RegExp('^(' + longPieces.join('|') + ')', 'i');
    this._weekdaysShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')', 'i');
    this._weekdaysMinStrictRegex = new RegExp('^(' + minPieces.join('|') + ')', 'i');
}

// FORMATTING

function hFormat() {
    return this.hours() % 12 || 12;
}

function kFormat() {
    return this.hours() || 24;
}

addFormatToken('H', ['HH', 2], 0, 'hour');
addFormatToken('h', ['hh', 2], 0, hFormat);
addFormatToken('k', ['kk', 2], 0, kFormat);

addFormatToken('hmm', 0, 0, function () {
    return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2);
});

addFormatToken('hmmss', 0, 0, function () {
    return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2) +
        zeroFill(this.seconds(), 2);
});

addFormatToken('Hmm', 0, 0, function () {
    return '' + this.hours() + zeroFill(this.minutes(), 2);
});

addFormatToken('Hmmss', 0, 0, function () {
    return '' + this.hours() + zeroFill(this.minutes(), 2) +
        zeroFill(this.seconds(), 2);
});

function meridiem (token, lowercase) {
    addFormatToken(token, 0, 0, function () {
        return this.localeData().meridiem(this.hours(), this.minutes(), lowercase);
    });
}

meridiem('a', true);
meridiem('A', false);

// ALIASES

addUnitAlias('hour', 'h');

// PRIORITY
addUnitPriority('hour', 13);

// PARSING

function matchMeridiem (isStrict, locale) {
    return locale._meridiemParse;
}

addRegexToken('a',  matchMeridiem);
addRegexToken('A',  matchMeridiem);
addRegexToken('H',  match1to2);
addRegexToken('h',  match1to2);
addRegexToken('k',  match1to2);
addRegexToken('HH', match1to2, match2);
addRegexToken('hh', match1to2, match2);
addRegexToken('kk', match1to2, match2);

addRegexToken('hmm', match3to4);
addRegexToken('hmmss', match5to6);
addRegexToken('Hmm', match3to4);
addRegexToken('Hmmss', match5to6);

addParseToken(['H', 'HH'], HOUR);
addParseToken(['k', 'kk'], function (input, array, config) {
    var kInput = toInt(input);
    array[HOUR] = kInput === 24 ? 0 : kInput;
});
addParseToken(['a', 'A'], function (input, array, config) {
    config._isPm = config._locale.isPM(input);
    config._meridiem = input;
});
addParseToken(['h', 'hh'], function (input, array, config) {
    array[HOUR] = toInt(input);
    getParsingFlags(config).bigHour = true;
});
addParseToken('hmm', function (input, array, config) {
    var pos = input.length - 2;
    array[HOUR] = toInt(input.substr(0, pos));
    array[MINUTE] = toInt(input.substr(pos));
    getParsingFlags(config).bigHour = true;
});
addParseToken('hmmss', function (input, array, config) {
    var pos1 = input.length - 4;
    var pos2 = input.length - 2;
    array[HOUR] = toInt(input.substr(0, pos1));
    array[MINUTE] = toInt(input.substr(pos1, 2));
    array[SECOND] = toInt(input.substr(pos2));
    getParsingFlags(config).bigHour = true;
});
addParseToken('Hmm', function (input, array, config) {
    var pos = input.length - 2;
    array[HOUR] = toInt(input.substr(0, pos));
    array[MINUTE] = toInt(input.substr(pos));
});
addParseToken('Hmmss', function (input, array, config) {
    var pos1 = input.length - 4;
    var pos2 = input.length - 2;
    array[HOUR] = toInt(input.substr(0, pos1));
    array[MINUTE] = toInt(input.substr(pos1, 2));
    array[SECOND] = toInt(input.substr(pos2));
});

// LOCALES

function localeIsPM (input) {
    // IE8 Quirks Mode & IE7 Standards Mode do not allow accessing strings like arrays
    // Using charAt should be more compatible.
    return ((input + '').toLowerCase().charAt(0) === 'p');
}

var defaultLocaleMeridiemParse = /[ap]\.?m?\.?/i;
function localeMeridiem (hours, minutes, isLower) {
    if (hours > 11) {
        return isLower ? 'pm' : 'PM';
    } else {
        return isLower ? 'am' : 'AM';
    }
}


// MOMENTS

// Setting the hour should keep the time, because the user explicitly
// specified which hour he wants. So trying to maintain the same hour (in
// a new timezone) makes sense. Adding/subtracting hours does not follow
// this rule.
var getSetHour = makeGetSet('Hours', true);

// months
// week
// weekdays
// meridiem
var baseConfig = {
    calendar: defaultCalendar,
    longDateFormat: defaultLongDateFormat,
    invalidDate: defaultInvalidDate,
    ordinal: defaultOrdinal,
    dayOfMonthOrdinalParse: defaultDayOfMonthOrdinalParse,
    relativeTime: defaultRelativeTime,

    months: defaultLocaleMonths,
    monthsShort: defaultLocaleMonthsShort,

    week: defaultLocaleWeek,

    weekdays: defaultLocaleWeekdays,
    weekdaysMin: defaultLocaleWeekdaysMin,
    weekdaysShort: defaultLocaleWeekdaysShort,

    meridiemParse: defaultLocaleMeridiemParse
};

// internal storage for locale config files
var locales = {};
var localeFamilies = {};
var globalLocale;

function normalizeLocale(key) {
    return key ? key.toLowerCase().replace('_', '-') : key;
}

// pick the locale from the array
// try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each
// substring from most specific to least, but move to the next array item if it's a more specific variant than the current root
function chooseLocale(names) {
    var i = 0, j, next, locale, split;

    while (i < names.length) {
        split = normalizeLocale(names[i]).split('-');
        j = split.length;
        next = normalizeLocale(names[i + 1]);
        next = next ? next.split('-') : null;
        while (j > 0) {
            locale = loadLocale(split.slice(0, j).join('-'));
            if (locale) {
                return locale;
            }
            if (next && next.length >= j && compareArrays(split, next, true) >= j - 1) {
                //the next array item is better than a shallower substring of this one
                break;
            }
            j--;
        }
        i++;
    }
    return null;
}

function loadLocale(name) {
    var oldLocale = null;
    // TODO: Find a better way to register and load all the locales in Node
    if (!locales[name] && (typeof module !== 'undefined') &&
            module && module.exports) {
        try {
            oldLocale = globalLocale._abbr;
            var aliasedRequire = require;
            !(function webpackMissingModule() { var e = new Error("Cannot find module 'undefined'"); e.code = 'MODULE_NOT_FOUND'; throw e; }());
            getSetGlobalLocale(oldLocale);
        } catch (e) {}
    }
    return locales[name];
}

// This function will load locale and then set the global locale.  If
// no arguments are passed in, it will simply return the current global
// locale key.
function getSetGlobalLocale (key, values) {
    var data;
    if (key) {
        if (isUndefined(values)) {
            data = getLocale(key);
        }
        else {
            data = defineLocale(key, values);
        }

        if (data) {
            // moment.duration._locale = moment._locale = data;
            globalLocale = data;
        }
    }

    return globalLocale._abbr;
}

function defineLocale (name, config) {
    if (config !== null) {
        var parentConfig = baseConfig;
        config.abbr = name;
        if (locales[name] != null) {
            deprecateSimple('defineLocaleOverride',
                    'use moment.updateLocale(localeName, config) to change ' +
                    'an existing locale. moment.defineLocale(localeName, ' +
                    'config) should only be used for creating a new locale ' +
                    'See http://momentjs.com/guides/#/warnings/define-locale/ for more info.');
            parentConfig = locales[name]._config;
        } else if (config.parentLocale != null) {
            if (locales[config.parentLocale] != null) {
                parentConfig = locales[config.parentLocale]._config;
            } else {
                if (!localeFamilies[config.parentLocale]) {
                    localeFamilies[config.parentLocale] = [];
                }
                localeFamilies[config.parentLocale].push({
                    name: name,
                    config: config
                });
                return null;
            }
        }
        locales[name] = new Locale(mergeConfigs(parentConfig, config));

        if (localeFamilies[name]) {
            localeFamilies[name].forEach(function (x) {
                defineLocale(x.name, x.config);
            });
        }

        // backwards compat for now: also set the locale
        // make sure we set the locale AFTER all child locales have been
        // created, so we won't end up with the child locale set.
        getSetGlobalLocale(name);


        return locales[name];
    } else {
        // useful for testing
        delete locales[name];
        return null;
    }
}

function updateLocale(name, config) {
    if (config != null) {
        var locale, tmpLocale, parentConfig = baseConfig;
        // MERGE
        tmpLocale = loadLocale(name);
        if (tmpLocale != null) {
            parentConfig = tmpLocale._config;
        }
        config = mergeConfigs(parentConfig, config);
        locale = new Locale(config);
        locale.parentLocale = locales[name];
        locales[name] = locale;

        // backwards compat for now: also set the locale
        getSetGlobalLocale(name);
    } else {
        // pass null for config to unupdate, useful for tests
        if (locales[name] != null) {
            if (locales[name].parentLocale != null) {
                locales[name] = locales[name].parentLocale;
            } else if (locales[name] != null) {
                delete locales[name];
            }
        }
    }
    return locales[name];
}

// returns locale data
function getLocale (key) {
    var locale;

    if (key && key._locale && key._locale._abbr) {
        key = key._locale._abbr;
    }

    if (!key) {
        return globalLocale;
    }

    if (!isArray(key)) {
        //short-circuit everything else
        locale = loadLocale(key);
        if (locale) {
            return locale;
        }
        key = [key];
    }

    return chooseLocale(key);
}

function listLocales() {
    return keys(locales);
}

function checkOverflow (m) {
    var overflow;
    var a = m._a;

    if (a && getParsingFlags(m).overflow === -2) {
        overflow =
            a[MONTH]       < 0 || a[MONTH]       > 11  ? MONTH :
            a[DATE]        < 1 || a[DATE]        > daysInMonth(a[YEAR], a[MONTH]) ? DATE :
            a[HOUR]        < 0 || a[HOUR]        > 24 || (a[HOUR] === 24 && (a[MINUTE] !== 0 || a[SECOND] !== 0 || a[MILLISECOND] !== 0)) ? HOUR :
            a[MINUTE]      < 0 || a[MINUTE]      > 59  ? MINUTE :
            a[SECOND]      < 0 || a[SECOND]      > 59  ? SECOND :
            a[MILLISECOND] < 0 || a[MILLISECOND] > 999 ? MILLISECOND :
            -1;

        if (getParsingFlags(m)._overflowDayOfYear && (overflow < YEAR || overflow > DATE)) {
            overflow = DATE;
        }
        if (getParsingFlags(m)._overflowWeeks && overflow === -1) {
            overflow = WEEK;
        }
        if (getParsingFlags(m)._overflowWeekday && overflow === -1) {
            overflow = WEEKDAY;
        }

        getParsingFlags(m).overflow = overflow;
    }

    return m;
}

// Pick the first defined of two or three arguments.
function defaults(a, b, c) {
    if (a != null) {
        return a;
    }
    if (b != null) {
        return b;
    }
    return c;
}

function currentDateArray(config) {
    // hooks is actually the exported moment object
    var nowValue = new Date(hooks.now());
    if (config._useUTC) {
        return [nowValue.getUTCFullYear(), nowValue.getUTCMonth(), nowValue.getUTCDate()];
    }
    return [nowValue.getFullYear(), nowValue.getMonth(), nowValue.getDate()];
}

// convert an array to a date.
// the array should mirror the parameters below
// note: all values past the year are optional and will default to the lowest possible value.
// [year, month, day , hour, minute, second, millisecond]
function configFromArray (config) {
    var i, date, input = [], currentDate, expectedWeekday, yearToUse;

    if (config._d) {
        return;
    }

    currentDate = currentDateArray(config);

    //compute day of the year from weeks and weekdays
    if (config._w && config._a[DATE] == null && config._a[MONTH] == null) {
        dayOfYearFromWeekInfo(config);
    }

    //if the day of the year is set, figure out what it is
    if (config._dayOfYear != null) {
        yearToUse = defaults(config._a[YEAR], currentDate[YEAR]);

        if (config._dayOfYear > daysInYear(yearToUse) || config._dayOfYear === 0) {
            getParsingFlags(config)._overflowDayOfYear = true;
        }

        date = createUTCDate(yearToUse, 0, config._dayOfYear);
        config._a[MONTH] = date.getUTCMonth();
        config._a[DATE] = date.getUTCDate();
    }

    // Default to current date.
    // * if no year, month, day of month are given, default to today
    // * if day of month is given, default month and year
    // * if month is given, default only year
    // * if year is given, don't default anything
    for (i = 0; i < 3 && config._a[i] == null; ++i) {
        config._a[i] = input[i] = currentDate[i];
    }

    // Zero out whatever was not defaulted, including time
    for (; i < 7; i++) {
        config._a[i] = input[i] = (config._a[i] == null) ? (i === 2 ? 1 : 0) : config._a[i];
    }

    // Check for 24:00:00.000
    if (config._a[HOUR] === 24 &&
            config._a[MINUTE] === 0 &&
            config._a[SECOND] === 0 &&
            config._a[MILLISECOND] === 0) {
        config._nextDay = true;
        config._a[HOUR] = 0;
    }

    config._d = (config._useUTC ? createUTCDate : createDate).apply(null, input);
    expectedWeekday = config._useUTC ? config._d.getUTCDay() : config._d.getDay();

    // Apply timezone offset from input. The actual utcOffset can be changed
    // with parseZone.
    if (config._tzm != null) {
        config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm);
    }

    if (config._nextDay) {
        config._a[HOUR] = 24;
    }

    // check for mismatching day of week
    if (config._w && typeof config._w.d !== 'undefined' && config._w.d !== expectedWeekday) {
        getParsingFlags(config).weekdayMismatch = true;
    }
}

function dayOfYearFromWeekInfo(config) {
    var w, weekYear, week, weekday, dow, doy, temp, weekdayOverflow;

    w = config._w;
    if (w.GG != null || w.W != null || w.E != null) {
        dow = 1;
        doy = 4;

        // TODO: We need to take the current isoWeekYear, but that depends on
        // how we interpret now (local, utc, fixed offset). So create
        // a now version of current config (take local/utc/offset flags, and
        // create now).
        weekYear = defaults(w.GG, config._a[YEAR], weekOfYear(createLocal(), 1, 4).year);
        week = defaults(w.W, 1);
        weekday = defaults(w.E, 1);
        if (weekday < 1 || weekday > 7) {
            weekdayOverflow = true;
        }
    } else {
        dow = config._locale._week.dow;
        doy = config._locale._week.doy;

        var curWeek = weekOfYear(createLocal(), dow, doy);

        weekYear = defaults(w.gg, config._a[YEAR], curWeek.year);

        // Default to current week.
        week = defaults(w.w, curWeek.week);

        if (w.d != null) {
            // weekday -- low day numbers are considered next week
            weekday = w.d;
            if (weekday < 0 || weekday > 6) {
                weekdayOverflow = true;
            }
        } else if (w.e != null) {
            // local weekday -- counting starts from begining of week
            weekday = w.e + dow;
            if (w.e < 0 || w.e > 6) {
                weekdayOverflow = true;
            }
        } else {
            // default to begining of week
            weekday = dow;
        }
    }
    if (week < 1 || week > weeksInYear(weekYear, dow, doy)) {
        getParsingFlags(config)._overflowWeeks = true;
    } else if (weekdayOverflow != null) {
        getParsingFlags(config)._overflowWeekday = true;
    } else {
        temp = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy);
        config._a[YEAR] = temp.year;
        config._dayOfYear = temp.dayOfYear;
    }
}

// iso 8601 regex
// 0000-00-00 0000-W00 or 0000-W00-0 + T + 00 or 00:00 or 00:00:00 or 00:00:00.000 + +00:00 or +0000 or +00)
var extendedIsoRegex = /^\s*((?:[+-]\d{6}|\d{4})-(?:\d\d-\d\d|W\d\d-\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?::\d\d(?::\d\d(?:[.,]\d+)?)?)?)([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?$/;
var basicIsoRegex = /^\s*((?:[+-]\d{6}|\d{4})(?:\d\d\d\d|W\d\d\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?:\d\d(?:\d\d(?:[.,]\d+)?)?)?)([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?$/;

var tzRegex = /Z|[+-]\d\d(?::?\d\d)?/;

var isoDates = [
    ['YYYYYY-MM-DD', /[+-]\d{6}-\d\d-\d\d/],
    ['YYYY-MM-DD', /\d{4}-\d\d-\d\d/],
    ['GGGG-[W]WW-E', /\d{4}-W\d\d-\d/],
    ['GGGG-[W]WW', /\d{4}-W\d\d/, false],
    ['YYYY-DDD', /\d{4}-\d{3}/],
    ['YYYY-MM', /\d{4}-\d\d/, false],
    ['YYYYYYMMDD', /[+-]\d{10}/],
    ['YYYYMMDD', /\d{8}/],
    // YYYYMM is NOT allowed by the standard
    ['GGGG[W]WWE', /\d{4}W\d{3}/],
    ['GGGG[W]WW', /\d{4}W\d{2}/, false],
    ['YYYYDDD', /\d{7}/]
];

// iso time formats and regexes
var isoTimes = [
    ['HH:mm:ss.SSSS', /\d\d:\d\d:\d\d\.\d+/],
    ['HH:mm:ss,SSSS', /\d\d:\d\d:\d\d,\d+/],
    ['HH:mm:ss', /\d\d:\d\d:\d\d/],
    ['HH:mm', /\d\d:\d\d/],
    ['HHmmss.SSSS', /\d\d\d\d\d\d\.\d+/],
    ['HHmmss,SSSS', /\d\d\d\d\d\d,\d+/],
    ['HHmmss', /\d\d\d\d\d\d/],
    ['HHmm', /\d\d\d\d/],
    ['HH', /\d\d/]
];

var aspNetJsonRegex = /^\/?Date\((\-?\d+)/i;

// date from iso format
function configFromISO(config) {
    var i, l,
        string = config._i,
        match = extendedIsoRegex.exec(string) || basicIsoRegex.exec(string),
        allowTime, dateFormat, timeFormat, tzFormat;

    if (match) {
        getParsingFlags(config).iso = true;

        for (i = 0, l = isoDates.length; i < l; i++) {
            if (isoDates[i][1].exec(match[1])) {
                dateFormat = isoDates[i][0];
                allowTime = isoDates[i][2] !== false;
                break;
            }
        }
        if (dateFormat == null) {
            config._isValid = false;
            return;
        }
        if (match[3]) {
            for (i = 0, l = isoTimes.length; i < l; i++) {
                if (isoTimes[i][1].exec(match[3])) {
                    // match[2] should be 'T' or space
                    timeFormat = (match[2] || ' ') + isoTimes[i][0];
                    break;
                }
            }
            if (timeFormat == null) {
                config._isValid = false;
                return;
            }
        }
        if (!allowTime && timeFormat != null) {
            config._isValid = false;
            return;
        }
        if (match[4]) {
            if (tzRegex.exec(match[4])) {
                tzFormat = 'Z';
            } else {
                config._isValid = false;
                return;
            }
        }
        config._f = dateFormat + (timeFormat || '') + (tzFormat || '');
        configFromStringAndFormat(config);
    } else {
        config._isValid = false;
    }
}

// RFC 2822 regex: For details see https://tools.ietf.org/html/rfc2822#section-3.3
var rfc2822 = /^(?:(Mon|Tue|Wed|Thu|Fri|Sat|Sun),?\s)?(\d{1,2})\s(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\s(\d{2,4})\s(\d\d):(\d\d)(?::(\d\d))?\s(?:(UT|GMT|[ECMP][SD]T)|([Zz])|([+-]\d{4}))$/;

function extractFromRFC2822Strings(yearStr, monthStr, dayStr, hourStr, minuteStr, secondStr) {
    var result = [
        untruncateYear(yearStr),
        defaultLocaleMonthsShort.indexOf(monthStr),
        parseInt(dayStr, 10),
        parseInt(hourStr, 10),
        parseInt(minuteStr, 10)
    ];

    if (secondStr) {
        result.push(parseInt(secondStr, 10));
    }

    return result;
}

function untruncateYear(yearStr) {
    var year = parseInt(yearStr, 10);
    if (year <= 49) {
        return 2000 + year;
    } else if (year <= 999) {
        return 1900 + year;
    }
    return year;
}

function preprocessRFC2822(s) {
    // Remove comments and folding whitespace and replace multiple-spaces with a single space
    return s.replace(/\([^)]*\)|[\n\t]/g, ' ').replace(/(\s\s+)/g, ' ').trim();
}

function checkWeekday(weekdayStr, parsedInput, config) {
    if (weekdayStr) {
        // TODO: Replace the vanilla JS Date object with an indepentent day-of-week check.
        var weekdayProvided = defaultLocaleWeekdaysShort.indexOf(weekdayStr),
            weekdayActual = new Date(parsedInput[0], parsedInput[1], parsedInput[2]).getDay();
        if (weekdayProvided !== weekdayActual) {
            getParsingFlags(config).weekdayMismatch = true;
            config._isValid = false;
            return false;
        }
    }
    return true;
}

var obsOffsets = {
    UT: 0,
    GMT: 0,
    EDT: -4 * 60,
    EST: -5 * 60,
    CDT: -5 * 60,
    CST: -6 * 60,
    MDT: -6 * 60,
    MST: -7 * 60,
    PDT: -7 * 60,
    PST: -8 * 60
};

function calculateOffset(obsOffset, militaryOffset, numOffset) {
    if (obsOffset) {
        return obsOffsets[obsOffset];
    } else if (militaryOffset) {
        // the only allowed military tz is Z
        return 0;
    } else {
        var hm = parseInt(numOffset, 10);
        var m = hm % 100, h = (hm - m) / 100;
        return h * 60 + m;
    }
}

// date and time from ref 2822 format
function configFromRFC2822(config) {
    var match = rfc2822.exec(preprocessRFC2822(config._i));
    if (match) {
        var parsedArray = extractFromRFC2822Strings(match[4], match[3], match[2], match[5], match[6], match[7]);
        if (!checkWeekday(match[1], parsedArray, config)) {
            return;
        }

        config._a = parsedArray;
        config._tzm = calculateOffset(match[8], match[9], match[10]);

        config._d = createUTCDate.apply(null, config._a);
        config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm);

        getParsingFlags(config).rfc2822 = true;
    } else {
        config._isValid = false;
    }
}

// date from iso format or fallback
function configFromString(config) {
    var matched = aspNetJsonRegex.exec(config._i);

    if (matched !== null) {
        config._d = new Date(+matched[1]);
        return;
    }

    configFromISO(config);
    if (config._isValid === false) {
        delete config._isValid;
    } else {
        return;
    }

    configFromRFC2822(config);
    if (config._isValid === false) {
        delete config._isValid;
    } else {
        return;
    }

    // Final attempt, use Input Fallback
    hooks.createFromInputFallback(config);
}

hooks.createFromInputFallback = deprecate(
    'value provided is not in a recognized RFC2822 or ISO format. moment construction falls back to js Date(), ' +
    'which is not reliable across all browsers and versions. Non RFC2822/ISO date formats are ' +
    'discouraged and will be removed in an upcoming major release. Please refer to ' +
    'http://momentjs.com/guides/#/warnings/js-date/ for more info.',
    function (config) {
        config._d = new Date(config._i + (config._useUTC ? ' UTC' : ''));
    }
);

// constant that refers to the ISO standard
hooks.ISO_8601 = function () {};

// constant that refers to the RFC 2822 form
hooks.RFC_2822 = function () {};

// date from string and format string
function configFromStringAndFormat(config) {
    // TODO: Move this to another part of the creation flow to prevent circular deps
    if (config._f === hooks.ISO_8601) {
        configFromISO(config);
        return;
    }
    if (config._f === hooks.RFC_2822) {
        configFromRFC2822(config);
        return;
    }
    config._a = [];
    getParsingFlags(config).empty = true;

    // This array is used to make a Date, either with `new Date` or `Date.UTC`
    var string = '' + config._i,
        i, parsedInput, tokens, token, skipped,
        stringLength = string.length,
        totalParsedInputLength = 0;

    tokens = expandFormat(config._f, config._locale).match(formattingTokens) || [];

    for (i = 0; i < tokens.length; i++) {
        token = tokens[i];
        parsedInput = (string.match(getParseRegexForToken(token, config)) || [])[0];
        // console.log('token', token, 'parsedInput', parsedInput,
        //         'regex', getParseRegexForToken(token, config));
        if (parsedInput) {
            skipped = string.substr(0, string.indexOf(parsedInput));
            if (skipped.length > 0) {
                getParsingFlags(config).unusedInput.push(skipped);
            }
            string = string.slice(string.indexOf(parsedInput) + parsedInput.length);
            totalParsedInputLength += parsedInput.length;
        }
        // don't parse if it's not a known token
        if (formatTokenFunctions[token]) {
            if (parsedInput) {
                getParsingFlags(config).empty = false;
            }
            else {
                getParsingFlags(config).unusedTokens.push(token);
            }
            addTimeToArrayFromToken(token, parsedInput, config);
        }
        else if (config._strict && !parsedInput) {
            getParsingFlags(config).unusedTokens.push(token);
        }
    }

    // add remaining unparsed input length to the string
    getParsingFlags(config).charsLeftOver = stringLength - totalParsedInputLength;
    if (string.length > 0) {
        getParsingFlags(config).unusedInput.push(string);
    }

    // clear _12h flag if hour is <= 12
    if (config._a[HOUR] <= 12 &&
        getParsingFlags(config).bigHour === true &&
        config._a[HOUR] > 0) {
        getParsingFlags(config).bigHour = undefined;
    }

    getParsingFlags(config).parsedDateParts = config._a.slice(0);
    getParsingFlags(config).meridiem = config._meridiem;
    // handle meridiem
    config._a[HOUR] = meridiemFixWrap(config._locale, config._a[HOUR], config._meridiem);

    configFromArray(config);
    checkOverflow(config);
}


function meridiemFixWrap (locale, hour, meridiem) {
    var isPm;

    if (meridiem == null) {
        // nothing to do
        return hour;
    }
    if (locale.meridiemHour != null) {
        return locale.meridiemHour(hour, meridiem);
    } else if (locale.isPM != null) {
        // Fallback
        isPm = locale.isPM(meridiem);
        if (isPm && hour < 12) {
            hour += 12;
        }
        if (!isPm && hour === 12) {
            hour = 0;
        }
        return hour;
    } else {
        // this is not supposed to happen
        return hour;
    }
}

// date from string and array of format strings
function configFromStringAndArray(config) {
    var tempConfig,
        bestMoment,

        scoreToBeat,
        i,
        currentScore;

    if (config._f.length === 0) {
        getParsingFlags(config).invalidFormat = true;
        config._d = new Date(NaN);
        return;
    }

    for (i = 0; i < config._f.length; i++) {
        currentScore = 0;
        tempConfig = copyConfig({}, config);
        if (config._useUTC != null) {
            tempConfig._useUTC = config._useUTC;
        }
        tempConfig._f = config._f[i];
        configFromStringAndFormat(tempConfig);

        if (!isValid(tempConfig)) {
            continue;
        }

        // if there is any input that was not parsed add a penalty for that format
        currentScore += getParsingFlags(tempConfig).charsLeftOver;

        //or tokens
        currentScore += getParsingFlags(tempConfig).unusedTokens.length * 10;

        getParsingFlags(tempConfig).score = currentScore;

        if (scoreToBeat == null || currentScore < scoreToBeat) {
            scoreToBeat = currentScore;
            bestMoment = tempConfig;
        }
    }

    extend(config, bestMoment || tempConfig);
}

function configFromObject(config) {
    if (config._d) {
        return;
    }

    var i = normalizeObjectUnits(config._i);
    config._a = map([i.year, i.month, i.day || i.date, i.hour, i.minute, i.second, i.millisecond], function (obj) {
        return obj && parseInt(obj, 10);
    });

    configFromArray(config);
}

function createFromConfig (config) {
    var res = new Moment(checkOverflow(prepareConfig(config)));
    if (res._nextDay) {
        // Adding is smart enough around DST
        res.add(1, 'd');
        res._nextDay = undefined;
    }

    return res;
}

function prepareConfig (config) {
    var input = config._i,
        format = config._f;

    config._locale = config._locale || getLocale(config._l);

    if (input === null || (format === undefined && input === '')) {
        return createInvalid({nullInput: true});
    }

    if (typeof input === 'string') {
        config._i = input = config._locale.preparse(input);
    }

    if (isMoment(input)) {
        return new Moment(checkOverflow(input));
    } else if (isDate(input)) {
        config._d = input;
    } else if (isArray(format)) {
        configFromStringAndArray(config);
    } else if (format) {
        configFromStringAndFormat(config);
    }  else {
        configFromInput(config);
    }

    if (!isValid(config)) {
        config._d = null;
    }

    return config;
}

function configFromInput(config) {
    var input = config._i;
    if (isUndefined(input)) {
        config._d = new Date(hooks.now());
    } else if (isDate(input)) {
        config._d = new Date(input.valueOf());
    } else if (typeof input === 'string') {
        configFromString(config);
    } else if (isArray(input)) {
        config._a = map(input.slice(0), function (obj) {
            return parseInt(obj, 10);
        });
        configFromArray(config);
    } else if (isObject(input)) {
        configFromObject(config);
    } else if (isNumber(input)) {
        // from milliseconds
        config._d = new Date(input);
    } else {
        hooks.createFromInputFallback(config);
    }
}

function createLocalOrUTC (input, format, locale, strict, isUTC) {
    var c = {};

    if (locale === true || locale === false) {
        strict = locale;
        locale = undefined;
    }

    if ((isObject(input) && isObjectEmpty(input)) ||
            (isArray(input) && input.length === 0)) {
        input = undefined;
    }
    // object construction must be done this way.
    // https://github.com/moment/moment/issues/1423
    c._isAMomentObject = true;
    c._useUTC = c._isUTC = isUTC;
    c._l = locale;
    c._i = input;
    c._f = format;
    c._strict = strict;

    return createFromConfig(c);
}

function createLocal (input, format, locale, strict) {
    return createLocalOrUTC(input, format, locale, strict, false);
}

var prototypeMin = deprecate(
    'moment().min is deprecated, use moment.max instead. http://momentjs.com/guides/#/warnings/min-max/',
    function () {
        var other = createLocal.apply(null, arguments);
        if (this.isValid() && other.isValid()) {
            return other < this ? this : other;
        } else {
            return createInvalid();
        }
    }
);

var prototypeMax = deprecate(
    'moment().max is deprecated, use moment.min instead. http://momentjs.com/guides/#/warnings/min-max/',
    function () {
        var other = createLocal.apply(null, arguments);
        if (this.isValid() && other.isValid()) {
            return other > this ? this : other;
        } else {
            return createInvalid();
        }
    }
);

// Pick a moment m from moments so that m[fn](other) is true for all
// other. This relies on the function fn to be transitive.
//
// moments should either be an array of moment objects or an array, whose
// first element is an array of moment objects.
function pickBy(fn, moments) {
    var res, i;
    if (moments.length === 1 && isArray(moments[0])) {
        moments = moments[0];
    }
    if (!moments.length) {
        return createLocal();
    }
    res = moments[0];
    for (i = 1; i < moments.length; ++i) {
        if (!moments[i].isValid() || moments[i][fn](res)) {
            res = moments[i];
        }
    }
    return res;
}

// TODO: Use [].sort instead?
function min () {
    var args = [].slice.call(arguments, 0);

    return pickBy('isBefore', args);
}

function max () {
    var args = [].slice.call(arguments, 0);

    return pickBy('isAfter', args);
}

var now = function () {
    return Date.now ? Date.now() : +(new Date());
};

var ordering = ['year', 'quarter', 'month', 'week', 'day', 'hour', 'minute', 'second', 'millisecond'];

function isDurationValid(m) {
    for (var key in m) {
        if (!(indexOf.call(ordering, key) !== -1 && (m[key] == null || !isNaN(m[key])))) {
            return false;
        }
    }

    var unitHasDecimal = false;
    for (var i = 0; i < ordering.length; ++i) {
        if (m[ordering[i]]) {
            if (unitHasDecimal) {
                return false; // only allow non-integers for smallest unit
            }
            if (parseFloat(m[ordering[i]]) !== toInt(m[ordering[i]])) {
                unitHasDecimal = true;
            }
        }
    }

    return true;
}

function isValid$1() {
    return this._isValid;
}

function createInvalid$1() {
    return createDuration(NaN);
}

function Duration (duration) {
    var normalizedInput = normalizeObjectUnits(duration),
        years = normalizedInput.year || 0,
        quarters = normalizedInput.quarter || 0,
        months = normalizedInput.month || 0,
        weeks = normalizedInput.week || 0,
        days = normalizedInput.day || 0,
        hours = normalizedInput.hour || 0,
        minutes = normalizedInput.minute || 0,
        seconds = normalizedInput.second || 0,
        milliseconds = normalizedInput.millisecond || 0;

    this._isValid = isDurationValid(normalizedInput);

    // representation for dateAddRemove
    this._milliseconds = +milliseconds +
        seconds * 1e3 + // 1000
        minutes * 6e4 + // 1000 * 60
        hours * 1000 * 60 * 60; //using 1000 * 60 * 60 instead of 36e5 to avoid floating point rounding errors https://github.com/moment/moment/issues/2978
    // Because of dateAddRemove treats 24 hours as different from a
    // day when working around DST, we need to store them separately
    this._days = +days +
        weeks * 7;
    // It is impossible to translate months into days without knowing
    // which months you are are talking about, so we have to store
    // it separately.
    this._months = +months +
        quarters * 3 +
        years * 12;

    this._data = {};

    this._locale = getLocale();

    this._bubble();
}

function isDuration (obj) {
    return obj instanceof Duration;
}

function absRound (number) {
    if (number < 0) {
        return Math.round(-1 * number) * -1;
    } else {
        return Math.round(number);
    }
}

// FORMATTING

function offset (token, separator) {
    addFormatToken(token, 0, 0, function () {
        var offset = this.utcOffset();
        var sign = '+';
        if (offset < 0) {
            offset = -offset;
            sign = '-';
        }
        return sign + zeroFill(~~(offset / 60), 2) + separator + zeroFill(~~(offset) % 60, 2);
    });
}

offset('Z', ':');
offset('ZZ', '');

// PARSING

addRegexToken('Z',  matchShortOffset);
addRegexToken('ZZ', matchShortOffset);
addParseToken(['Z', 'ZZ'], function (input, array, config) {
    config._useUTC = true;
    config._tzm = offsetFromString(matchShortOffset, input);
});

// HELPERS

// timezone chunker
// '+10:00' > ['10',  '00']
// '-1530'  > ['-15', '30']
var chunkOffset = /([\+\-]|\d\d)/gi;

function offsetFromString(matcher, string) {
    var matches = (string || '').match(matcher);

    if (matches === null) {
        return null;
    }

    var chunk   = matches[matches.length - 1] || [];
    var parts   = (chunk + '').match(chunkOffset) || ['-', 0, 0];
    var minutes = +(parts[1] * 60) + toInt(parts[2]);

    return minutes === 0 ?
      0 :
      parts[0] === '+' ? minutes : -minutes;
}

// Return a moment from input, that is local/utc/zone equivalent to model.
function cloneWithOffset(input, model) {
    var res, diff;
    if (model._isUTC) {
        res = model.clone();
        diff = (isMoment(input) || isDate(input) ? input.valueOf() : createLocal(input).valueOf()) - res.valueOf();
        // Use low-level api, because this fn is low-level api.
        res._d.setTime(res._d.valueOf() + diff);
        hooks.updateOffset(res, false);
        return res;
    } else {
        return createLocal(input).local();
    }
}

function getDateOffset (m) {
    // On Firefox.24 Date#getTimezoneOffset returns a floating point.
    // https://github.com/moment/moment/pull/1871
    return -Math.round(m._d.getTimezoneOffset() / 15) * 15;
}

// HOOKS

// This function will be called whenever a moment is mutated.
// It is intended to keep the offset in sync with the timezone.
hooks.updateOffset = function () {};

// MOMENTS

// keepLocalTime = true means only change the timezone, without
// affecting the local hour. So 5:31:26 +0300 --[utcOffset(2, true)]-->
// 5:31:26 +0200 It is possible that 5:31:26 doesn't exist with offset
// +0200, so we adjust the time as needed, to be valid.
//
// Keeping the time actually adds/subtracts (one hour)
// from the actual represented time. That is why we call updateOffset
// a second time. In case it wants us to change the offset again
// _changeInProgress == true case, then we have to adjust, because
// there is no such time in the given timezone.
function getSetOffset (input, keepLocalTime, keepMinutes) {
    var offset = this._offset || 0,
        localAdjust;
    if (!this.isValid()) {
        return input != null ? this : NaN;
    }
    if (input != null) {
        if (typeof input === 'string') {
            input = offsetFromString(matchShortOffset, input);
            if (input === null) {
                return this;
            }
        } else if (Math.abs(input) < 16 && !keepMinutes) {
            input = input * 60;
        }
        if (!this._isUTC && keepLocalTime) {
            localAdjust = getDateOffset(this);
        }
        this._offset = input;
        this._isUTC = true;
        if (localAdjust != null) {
            this.add(localAdjust, 'm');
        }
        if (offset !== input) {
            if (!keepLocalTime || this._changeInProgress) {
                addSubtract(this, createDuration(input - offset, 'm'), 1, false);
            } else if (!this._changeInProgress) {
                this._changeInProgress = true;
                hooks.updateOffset(this, true);
                this._changeInProgress = null;
            }
        }
        return this;
    } else {
        return this._isUTC ? offset : getDateOffset(this);
    }
}

function getSetZone (input, keepLocalTime) {
    if (input != null) {
        if (typeof input !== 'string') {
            input = -input;
        }

        this.utcOffset(input, keepLocalTime);

        return this;
    } else {
        return -this.utcOffset();
    }
}

function setOffsetToUTC (keepLocalTime) {
    return this.utcOffset(0, keepLocalTime);
}

function setOffsetToLocal (keepLocalTime) {
    if (this._isUTC) {
        this.utcOffset(0, keepLocalTime);
        this._isUTC = false;

        if (keepLocalTime) {
            this.subtract(getDateOffset(this), 'm');
        }
    }
    return this;
}

function setOffsetToParsedOffset () {
    if (this._tzm != null) {
        this.utcOffset(this._tzm, false, true);
    } else if (typeof this._i === 'string') {
        var tZone = offsetFromString(matchOffset, this._i);
        if (tZone != null) {
            this.utcOffset(tZone);
        }
        else {
            this.utcOffset(0, true);
        }
    }
    return this;
}

function hasAlignedHourOffset (input) {
    if (!this.isValid()) {
        return false;
    }
    input = input ? createLocal(input).utcOffset() : 0;

    return (this.utcOffset() - input) % 60 === 0;
}

function isDaylightSavingTime () {
    return (
        this.utcOffset() > this.clone().month(0).utcOffset() ||
        this.utcOffset() > this.clone().month(5).utcOffset()
    );
}

function isDaylightSavingTimeShifted () {
    if (!isUndefined(this._isDSTShifted)) {
        return this._isDSTShifted;
    }

    var c = {};

    copyConfig(c, this);
    c = prepareConfig(c);

    if (c._a) {
        var other = c._isUTC ? createUTC(c._a) : createLocal(c._a);
        this._isDSTShifted = this.isValid() &&
            compareArrays(c._a, other.toArray()) > 0;
    } else {
        this._isDSTShifted = false;
    }

    return this._isDSTShifted;
}

function isLocal () {
    return this.isValid() ? !this._isUTC : false;
}

function isUtcOffset () {
    return this.isValid() ? this._isUTC : false;
}

function isUtc () {
    return this.isValid() ? this._isUTC && this._offset === 0 : false;
}

// ASP.NET json date format regex
var aspNetRegex = /^(\-|\+)?(?:(\d*)[. ])?(\d+)\:(\d+)(?:\:(\d+)(\.\d*)?)?$/;

// from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html
// somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere
// and further modified to allow for strings containing both week and day
var isoRegex = /^(-|\+)?P(?:([-+]?[0-9,.]*)Y)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)W)?(?:([-+]?[0-9,.]*)D)?(?:T(?:([-+]?[0-9,.]*)H)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)S)?)?$/;

function createDuration (input, key) {
    var duration = input,
        // matching against regexp is expensive, do it on demand
        match = null,
        sign,
        ret,
        diffRes;

    if (isDuration(input)) {
        duration = {
            ms : input._milliseconds,
            d  : input._days,
            M  : input._months
        };
    } else if (isNumber(input)) {
        duration = {};
        if (key) {
            duration[key] = input;
        } else {
            duration.milliseconds = input;
        }
    } else if (!!(match = aspNetRegex.exec(input))) {
        sign = (match[1] === '-') ? -1 : 1;
        duration = {
            y  : 0,
            d  : toInt(match[DATE])                         * sign,
            h  : toInt(match[HOUR])                         * sign,
            m  : toInt(match[MINUTE])                       * sign,
            s  : toInt(match[SECOND])                       * sign,
            ms : toInt(absRound(match[MILLISECOND] * 1000)) * sign // the millisecond decimal point is included in the match
        };
    } else if (!!(match = isoRegex.exec(input))) {
        sign = (match[1] === '-') ? -1 : (match[1] === '+') ? 1 : 1;
        duration = {
            y : parseIso(match[2], sign),
            M : parseIso(match[3], sign),
            w : parseIso(match[4], sign),
            d : parseIso(match[5], sign),
            h : parseIso(match[6], sign),
            m : parseIso(match[7], sign),
            s : parseIso(match[8], sign)
        };
    } else if (duration == null) {// checks for null or undefined
        duration = {};
    } else if (typeof duration === 'object' && ('from' in duration || 'to' in duration)) {
        diffRes = momentsDifference(createLocal(duration.from), createLocal(duration.to));

        duration = {};
        duration.ms = diffRes.milliseconds;
        duration.M = diffRes.months;
    }

    ret = new Duration(duration);

    if (isDuration(input) && hasOwnProp(input, '_locale')) {
        ret._locale = input._locale;
    }

    return ret;
}

createDuration.fn = Duration.prototype;
createDuration.invalid = createInvalid$1;

function parseIso (inp, sign) {
    // We'd normally use ~~inp for this, but unfortunately it also
    // converts floats to ints.
    // inp may be undefined, so careful calling replace on it.
    var res = inp && parseFloat(inp.replace(',', '.'));
    // apply sign while we're at it
    return (isNaN(res) ? 0 : res) * sign;
}

function positiveMomentsDifference(base, other) {
    var res = {milliseconds: 0, months: 0};

    res.months = other.month() - base.month() +
        (other.year() - base.year()) * 12;
    if (base.clone().add(res.months, 'M').isAfter(other)) {
        --res.months;
    }

    res.milliseconds = +other - +(base.clone().add(res.months, 'M'));

    return res;
}

function momentsDifference(base, other) {
    var res;
    if (!(base.isValid() && other.isValid())) {
        return {milliseconds: 0, months: 0};
    }

    other = cloneWithOffset(other, base);
    if (base.isBefore(other)) {
        res = positiveMomentsDifference(base, other);
    } else {
        res = positiveMomentsDifference(other, base);
        res.milliseconds = -res.milliseconds;
        res.months = -res.months;
    }

    return res;
}

// TODO: remove 'name' arg after deprecation is removed
function createAdder(direction, name) {
    return function (val, period) {
        var dur, tmp;
        //invert the arguments, but complain about it
        if (period !== null && !isNaN(+period)) {
            deprecateSimple(name, 'moment().' + name  + '(period, number) is deprecated. Please use moment().' + name + '(number, period). ' +
            'See http://momentjs.com/guides/#/warnings/add-inverted-param/ for more info.');
            tmp = val; val = period; period = tmp;
        }

        val = typeof val === 'string' ? +val : val;
        dur = createDuration(val, period);
        addSubtract(this, dur, direction);
        return this;
    };
}

function addSubtract (mom, duration, isAdding, updateOffset) {
    var milliseconds = duration._milliseconds,
        days = absRound(duration._days),
        months = absRound(duration._months);

    if (!mom.isValid()) {
        // No op
        return;
    }

    updateOffset = updateOffset == null ? true : updateOffset;

    if (months) {
        setMonth(mom, get(mom, 'Month') + months * isAdding);
    }
    if (days) {
        set$1(mom, 'Date', get(mom, 'Date') + days * isAdding);
    }
    if (milliseconds) {
        mom._d.setTime(mom._d.valueOf() + milliseconds * isAdding);
    }
    if (updateOffset) {
        hooks.updateOffset(mom, days || months);
    }
}

var add      = createAdder(1, 'add');
var subtract = createAdder(-1, 'subtract');

function getCalendarFormat(myMoment, now) {
    var diff = myMoment.diff(now, 'days', true);
    return diff < -6 ? 'sameElse' :
            diff < -1 ? 'lastWeek' :
            diff < 0 ? 'lastDay' :
            diff < 1 ? 'sameDay' :
            diff < 2 ? 'nextDay' :
            diff < 7 ? 'nextWeek' : 'sameElse';
}

function calendar$1 (time, formats) {
    // We want to compare the start of today, vs this.
    // Getting start-of-today depends on whether we're local/utc/offset or not.
    var now = time || createLocal(),
        sod = cloneWithOffset(now, this).startOf('day'),
        format = hooks.calendarFormat(this, sod) || 'sameElse';

    var output = formats && (isFunction(formats[format]) ? formats[format].call(this, now) : formats[format]);

    return this.format(output || this.localeData().calendar(format, this, createLocal(now)));
}

function clone () {
    return new Moment(this);
}

function isAfter (input, units) {
    var localInput = isMoment(input) ? input : createLocal(input);
    if (!(this.isValid() && localInput.isValid())) {
        return false;
    }
    units = normalizeUnits(!isUndefined(units) ? units : 'millisecond');
    if (units === 'millisecond') {
        return this.valueOf() > localInput.valueOf();
    } else {
        return localInput.valueOf() < this.clone().startOf(units).valueOf();
    }
}

function isBefore (input, units) {
    var localInput = isMoment(input) ? input : createLocal(input);
    if (!(this.isValid() && localInput.isValid())) {
        return false;
    }
    units = normalizeUnits(!isUndefined(units) ? units : 'millisecond');
    if (units === 'millisecond') {
        return this.valueOf() < localInput.valueOf();
    } else {
        return this.clone().endOf(units).valueOf() < localInput.valueOf();
    }
}

function isBetween (from, to, units, inclusivity) {
    inclusivity = inclusivity || '()';
    return (inclusivity[0] === '(' ? this.isAfter(from, units) : !this.isBefore(from, units)) &&
        (inclusivity[1] === ')' ? this.isBefore(to, units) : !this.isAfter(to, units));
}

function isSame (input, units) {
    var localInput = isMoment(input) ? input : createLocal(input),
        inputMs;
    if (!(this.isValid() && localInput.isValid())) {
        return false;
    }
    units = normalizeUnits(units || 'millisecond');
    if (units === 'millisecond') {
        return this.valueOf() === localInput.valueOf();
    } else {
        inputMs = localInput.valueOf();
        return this.clone().startOf(units).valueOf() <= inputMs && inputMs <= this.clone().endOf(units).valueOf();
    }
}

function isSameOrAfter (input, units) {
    return this.isSame(input, units) || this.isAfter(input,units);
}

function isSameOrBefore (input, units) {
    return this.isSame(input, units) || this.isBefore(input,units);
}

function diff (input, units, asFloat) {
    var that,
        zoneDelta,
        delta, output;

    if (!this.isValid()) {
        return NaN;
    }

    that = cloneWithOffset(input, this);

    if (!that.isValid()) {
        return NaN;
    }

    zoneDelta = (that.utcOffset() - this.utcOffset()) * 6e4;

    units = normalizeUnits(units);

    switch (units) {
        case 'year': output = monthDiff(this, that) / 12; break;
        case 'month': output = monthDiff(this, that); break;
        case 'quarter': output = monthDiff(this, that) / 3; break;
        case 'second': output = (this - that) / 1e3; break; // 1000
        case 'minute': output = (this - that) / 6e4; break; // 1000 * 60
        case 'hour': output = (this - that) / 36e5; break; // 1000 * 60 * 60
        case 'day': output = (this - that - zoneDelta) / 864e5; break; // 1000 * 60 * 60 * 24, negate dst
        case 'week': output = (this - that - zoneDelta) / 6048e5; break; // 1000 * 60 * 60 * 24 * 7, negate dst
        default: output = this - that;
    }

    return asFloat ? output : absFloor(output);
}

function monthDiff (a, b) {
    // difference in months
    var wholeMonthDiff = ((b.year() - a.year()) * 12) + (b.month() - a.month()),
        // b is in (anchor - 1 month, anchor + 1 month)
        anchor = a.clone().add(wholeMonthDiff, 'months'),
        anchor2, adjust;

    if (b - anchor < 0) {
        anchor2 = a.clone().add(wholeMonthDiff - 1, 'months');
        // linear across the month
        adjust = (b - anchor) / (anchor - anchor2);
    } else {
        anchor2 = a.clone().add(wholeMonthDiff + 1, 'months');
        // linear across the month
        adjust = (b - anchor) / (anchor2 - anchor);
    }

    //check for negative zero, return zero if negative zero
    return -(wholeMonthDiff + adjust) || 0;
}

hooks.defaultFormat = 'YYYY-MM-DDTHH:mm:ssZ';
hooks.defaultFormatUtc = 'YYYY-MM-DDTHH:mm:ss[Z]';

function toString () {
    return this.clone().locale('en').format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ');
}

function toISOString() {
    if (!this.isValid()) {
        return null;
    }
    var m = this.clone().utc();
    if (m.year() < 0 || m.year() > 9999) {
        return formatMoment(m, 'YYYYYY-MM-DD[T]HH:mm:ss.SSS[Z]');
    }
    if (isFunction(Date.prototype.toISOString)) {
        // native implementation is ~50x faster, use it when we can
        return this.toDate().toISOString();
    }
    return formatMoment(m, 'YYYY-MM-DD[T]HH:mm:ss.SSS[Z]');
}

/**
 * Return a human readable representation of a moment that can
 * also be evaluated to get a new moment which is the same
 *
 * @link https://nodejs.org/dist/latest/docs/api/util.html#util_custom_inspect_function_on_objects
 */
function inspect () {
    if (!this.isValid()) {
        return 'moment.invalid(/* ' + this._i + ' */)';
    }
    var func = 'moment';
    var zone = '';
    if (!this.isLocal()) {
        func = this.utcOffset() === 0 ? 'moment.utc' : 'moment.parseZone';
        zone = 'Z';
    }
    var prefix = '[' + func + '("]';
    var year = (0 <= this.year() && this.year() <= 9999) ? 'YYYY' : 'YYYYYY';
    var datetime = '-MM-DD[T]HH:mm:ss.SSS';
    var suffix = zone + '[")]';

    return this.format(prefix + year + datetime + suffix);
}

function format (inputString) {
    if (!inputString) {
        inputString = this.isUtc() ? hooks.defaultFormatUtc : hooks.defaultFormat;
    }
    var output = formatMoment(this, inputString);
    return this.localeData().postformat(output);
}

function from (time, withoutSuffix) {
    if (this.isValid() &&
            ((isMoment(time) && time.isValid()) ||
             createLocal(time).isValid())) {
        return createDuration({to: this, from: time}).locale(this.locale()).humanize(!withoutSuffix);
    } else {
        return this.localeData().invalidDate();
    }
}

function fromNow (withoutSuffix) {
    return this.from(createLocal(), withoutSuffix);
}

function to (time, withoutSuffix) {
    if (this.isValid() &&
            ((isMoment(time) && time.isValid()) ||
             createLocal(time).isValid())) {
        return createDuration({from: this, to: time}).locale(this.locale()).humanize(!withoutSuffix);
    } else {
        return this.localeData().invalidDate();
    }
}

function toNow (withoutSuffix) {
    return this.to(createLocal(), withoutSuffix);
}

// If passed a locale key, it will set the locale for this
// instance.  Otherwise, it will return the locale configuration
// variables for this instance.
function locale (key) {
    var newLocaleData;

    if (key === undefined) {
        return this._locale._abbr;
    } else {
        newLocaleData = getLocale(key);
        if (newLocaleData != null) {
            this._locale = newLocaleData;
        }
        return this;
    }
}

var lang = deprecate(
    'moment().lang() is deprecated. Instead, use moment().localeData() to get the language configuration. Use moment().locale() to change languages.',
    function (key) {
        if (key === undefined) {
            return this.localeData();
        } else {
            return this.locale(key);
        }
    }
);

function localeData () {
    return this._locale;
}

function startOf (units) {
    units = normalizeUnits(units);
    // the following switch intentionally omits break keywords
    // to utilize falling through the cases.
    switch (units) {
        case 'year':
            this.month(0);
            /* falls through */
        case 'quarter':
        case 'month':
            this.date(1);
            /* falls through */
        case 'week':
        case 'isoWeek':
        case 'day':
        case 'date':
            this.hours(0);
            /* falls through */
        case 'hour':
            this.minutes(0);
            /* falls through */
        case 'minute':
            this.seconds(0);
            /* falls through */
        case 'second':
            this.milliseconds(0);
    }

    // weeks are a special case
    if (units === 'week') {
        this.weekday(0);
    }
    if (units === 'isoWeek') {
        this.isoWeekday(1);
    }

    // quarters are also special
    if (units === 'quarter') {
        this.month(Math.floor(this.month() / 3) * 3);
    }

    return this;
}

function endOf (units) {
    units = normalizeUnits(units);
    if (units === undefined || units === 'millisecond') {
        return this;
    }

    // 'date' is an alias for 'day', so it should be considered as such.
    if (units === 'date') {
        units = 'day';
    }

    return this.startOf(units).add(1, (units === 'isoWeek' ? 'week' : units)).subtract(1, 'ms');
}

function valueOf () {
    return this._d.valueOf() - ((this._offset || 0) * 60000);
}

function unix () {
    return Math.floor(this.valueOf() / 1000);
}

function toDate () {
    return new Date(this.valueOf());
}

function toArray () {
    var m = this;
    return [m.year(), m.month(), m.date(), m.hour(), m.minute(), m.second(), m.millisecond()];
}

function toObject () {
    var m = this;
    return {
        years: m.year(),
        months: m.month(),
        date: m.date(),
        hours: m.hours(),
        minutes: m.minutes(),
        seconds: m.seconds(),
        milliseconds: m.milliseconds()
    };
}

function toJSON () {
    // new Date(NaN).toJSON() === null
    return this.isValid() ? this.toISOString() : null;
}

function isValid$2 () {
    return isValid(this);
}

function parsingFlags () {
    return extend({}, getParsingFlags(this));
}

function invalidAt () {
    return getParsingFlags(this).overflow;
}

function creationData() {
    return {
        input: this._i,
        format: this._f,
        locale: this._locale,
        isUTC: this._isUTC,
        strict: this._strict
    };
}

// FORMATTING

addFormatToken(0, ['gg', 2], 0, function () {
    return this.weekYear() % 100;
});

addFormatToken(0, ['GG', 2], 0, function () {
    return this.isoWeekYear() % 100;
});

function addWeekYearFormatToken (token, getter) {
    addFormatToken(0, [token, token.length], 0, getter);
}

addWeekYearFormatToken('gggg',     'weekYear');
addWeekYearFormatToken('ggggg',    'weekYear');
addWeekYearFormatToken('GGGG',  'isoWeekYear');
addWeekYearFormatToken('GGGGG', 'isoWeekYear');

// ALIASES

addUnitAlias('weekYear', 'gg');
addUnitAlias('isoWeekYear', 'GG');

// PRIORITY

addUnitPriority('weekYear', 1);
addUnitPriority('isoWeekYear', 1);


// PARSING

addRegexToken('G',      matchSigned);
addRegexToken('g',      matchSigned);
addRegexToken('GG',     match1to2, match2);
addRegexToken('gg',     match1to2, match2);
addRegexToken('GGGG',   match1to4, match4);
addRegexToken('gggg',   match1to4, match4);
addRegexToken('GGGGG',  match1to6, match6);
addRegexToken('ggggg',  match1to6, match6);

addWeekParseToken(['gggg', 'ggggg', 'GGGG', 'GGGGG'], function (input, week, config, token) {
    week[token.substr(0, 2)] = toInt(input);
});

addWeekParseToken(['gg', 'GG'], function (input, week, config, token) {
    week[token] = hooks.parseTwoDigitYear(input);
});

// MOMENTS

function getSetWeekYear (input) {
    return getSetWeekYearHelper.call(this,
            input,
            this.week(),
            this.weekday(),
            this.localeData()._week.dow,
            this.localeData()._week.doy);
}

function getSetISOWeekYear (input) {
    return getSetWeekYearHelper.call(this,
            input, this.isoWeek(), this.isoWeekday(), 1, 4);
}

function getISOWeeksInYear () {
    return weeksInYear(this.year(), 1, 4);
}

function getWeeksInYear () {
    var weekInfo = this.localeData()._week;
    return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy);
}

function getSetWeekYearHelper(input, week, weekday, dow, doy) {
    var weeksTarget;
    if (input == null) {
        return weekOfYear(this, dow, doy).year;
    } else {
        weeksTarget = weeksInYear(input, dow, doy);
        if (week > weeksTarget) {
            week = weeksTarget;
        }
        return setWeekAll.call(this, input, week, weekday, dow, doy);
    }
}

function setWeekAll(weekYear, week, weekday, dow, doy) {
    var dayOfYearData = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy),
        date = createUTCDate(dayOfYearData.year, 0, dayOfYearData.dayOfYear);

    this.year(date.getUTCFullYear());
    this.month(date.getUTCMonth());
    this.date(date.getUTCDate());
    return this;
}

// FORMATTING

addFormatToken('Q', 0, 'Qo', 'quarter');

// ALIASES

addUnitAlias('quarter', 'Q');

// PRIORITY

addUnitPriority('quarter', 7);

// PARSING

addRegexToken('Q', match1);
addParseToken('Q', function (input, array) {
    array[MONTH] = (toInt(input) - 1) * 3;
});

// MOMENTS

function getSetQuarter (input) {
    return input == null ? Math.ceil((this.month() + 1) / 3) : this.month((input - 1) * 3 + this.month() % 3);
}

// FORMATTING

addFormatToken('D', ['DD', 2], 'Do', 'date');

// ALIASES

addUnitAlias('date', 'D');

// PRIOROITY
addUnitPriority('date', 9);

// PARSING

addRegexToken('D',  match1to2);
addRegexToken('DD', match1to2, match2);
addRegexToken('Do', function (isStrict, locale) {
    // TODO: Remove "ordinalParse" fallback in next major release.
    return isStrict ?
      (locale._dayOfMonthOrdinalParse || locale._ordinalParse) :
      locale._dayOfMonthOrdinalParseLenient;
});

addParseToken(['D', 'DD'], DATE);
addParseToken('Do', function (input, array) {
    array[DATE] = toInt(input.match(match1to2)[0]);
});

// MOMENTS

var getSetDayOfMonth = makeGetSet('Date', true);

// FORMATTING

addFormatToken('DDD', ['DDDD', 3], 'DDDo', 'dayOfYear');

// ALIASES

addUnitAlias('dayOfYear', 'DDD');

// PRIORITY
addUnitPriority('dayOfYear', 4);

// PARSING

addRegexToken('DDD',  match1to3);
addRegexToken('DDDD', match3);
addParseToken(['DDD', 'DDDD'], function (input, array, config) {
    config._dayOfYear = toInt(input);
});

// HELPERS

// MOMENTS

function getSetDayOfYear (input) {
    var dayOfYear = Math.round((this.clone().startOf('day') - this.clone().startOf('year')) / 864e5) + 1;
    return input == null ? dayOfYear : this.add((input - dayOfYear), 'd');
}

// FORMATTING

addFormatToken('m', ['mm', 2], 0, 'minute');

// ALIASES

addUnitAlias('minute', 'm');

// PRIORITY

addUnitPriority('minute', 14);

// PARSING

addRegexToken('m',  match1to2);
addRegexToken('mm', match1to2, match2);
addParseToken(['m', 'mm'], MINUTE);

// MOMENTS

var getSetMinute = makeGetSet('Minutes', false);

// FORMATTING

addFormatToken('s', ['ss', 2], 0, 'second');

// ALIASES

addUnitAlias('second', 's');

// PRIORITY

addUnitPriority('second', 15);

// PARSING

addRegexToken('s',  match1to2);
addRegexToken('ss', match1to2, match2);
addParseToken(['s', 'ss'], SECOND);

// MOMENTS

var getSetSecond = makeGetSet('Seconds', false);

// FORMATTING

addFormatToken('S', 0, 0, function () {
    return ~~(this.millisecond() / 100);
});

addFormatToken(0, ['SS', 2], 0, function () {
    return ~~(this.millisecond() / 10);
});

addFormatToken(0, ['SSS', 3], 0, 'millisecond');
addFormatToken(0, ['SSSS', 4], 0, function () {
    return this.millisecond() * 10;
});
addFormatToken(0, ['SSSSS', 5], 0, function () {
    return this.millisecond() * 100;
});
addFormatToken(0, ['SSSSSS', 6], 0, function () {
    return this.millisecond() * 1000;
});
addFormatToken(0, ['SSSSSSS', 7], 0, function () {
    return this.millisecond() * 10000;
});
addFormatToken(0, ['SSSSSSSS', 8], 0, function () {
    return this.millisecond() * 100000;
});
addFormatToken(0, ['SSSSSSSSS', 9], 0, function () {
    return this.millisecond() * 1000000;
});


// ALIASES

addUnitAlias('millisecond', 'ms');

// PRIORITY

addUnitPriority('millisecond', 16);

// PARSING

addRegexToken('S',    match1to3, match1);
addRegexToken('SS',   match1to3, match2);
addRegexToken('SSS',  match1to3, match3);

var token;
for (token = 'SSSS'; token.length <= 9; token += 'S') {
    addRegexToken(token, matchUnsigned);
}

function parseMs(input, array) {
    array[MILLISECOND] = toInt(('0.' + input) * 1000);
}

for (token = 'S'; token.length <= 9; token += 'S') {
    addParseToken(token, parseMs);
}
// MOMENTS

var getSetMillisecond = makeGetSet('Milliseconds', false);

// FORMATTING

addFormatToken('z',  0, 0, 'zoneAbbr');
addFormatToken('zz', 0, 0, 'zoneName');

// MOMENTS

function getZoneAbbr () {
    return this._isUTC ? 'UTC' : '';
}

function getZoneName () {
    return this._isUTC ? 'Coordinated Universal Time' : '';
}

var proto = Moment.prototype;

proto.add               = add;
proto.calendar          = calendar$1;
proto.clone             = clone;
proto.diff              = diff;
proto.endOf             = endOf;
proto.format            = format;
proto.from              = from;
proto.fromNow           = fromNow;
proto.to                = to;
proto.toNow             = toNow;
proto.get               = stringGet;
proto.invalidAt         = invalidAt;
proto.isAfter           = isAfter;
proto.isBefore          = isBefore;
proto.isBetween         = isBetween;
proto.isSame            = isSame;
proto.isSameOrAfter     = isSameOrAfter;
proto.isSameOrBefore    = isSameOrBefore;
proto.isValid           = isValid$2;
proto.lang              = lang;
proto.locale            = locale;
proto.localeData        = localeData;
proto.max               = prototypeMax;
proto.min               = prototypeMin;
proto.parsingFlags      = parsingFlags;
proto.set               = stringSet;
proto.startOf           = startOf;
proto.subtract          = subtract;
proto.toArray           = toArray;
proto.toObject          = toObject;
proto.toDate            = toDate;
proto.toISOString       = toISOString;
proto.inspect           = inspect;
proto.toJSON            = toJSON;
proto.toString          = toString;
proto.unix              = unix;
proto.valueOf           = valueOf;
proto.creationData      = creationData;

// Year
proto.year       = getSetYear;
proto.isLeapYear = getIsLeapYear;

// Week Year
proto.weekYear    = getSetWeekYear;
proto.isoWeekYear = getSetISOWeekYear;

// Quarter
proto.quarter = proto.quarters = getSetQuarter;

// Month
proto.month       = getSetMonth;
proto.daysInMonth = getDaysInMonth;

// Week
proto.week           = proto.weeks        = getSetWeek;
proto.isoWeek        = proto.isoWeeks     = getSetISOWeek;
proto.weeksInYear    = getWeeksInYear;
proto.isoWeeksInYear = getISOWeeksInYear;

// Day
proto.date       = getSetDayOfMonth;
proto.day        = proto.days             = getSetDayOfWeek;
proto.weekday    = getSetLocaleDayOfWeek;
proto.isoWeekday = getSetISODayOfWeek;
proto.dayOfYear  = getSetDayOfYear;

// Hour
proto.hour = proto.hours = getSetHour;

// Minute
proto.minute = proto.minutes = getSetMinute;

// Second
proto.second = proto.seconds = getSetSecond;

// Millisecond
proto.millisecond = proto.milliseconds = getSetMillisecond;

// Offset
proto.utcOffset            = getSetOffset;
proto.utc                  = setOffsetToUTC;
proto.local                = setOffsetToLocal;
proto.parseZone            = setOffsetToParsedOffset;
proto.hasAlignedHourOffset = hasAlignedHourOffset;
proto.isDST                = isDaylightSavingTime;
proto.isLocal              = isLocal;
proto.isUtcOffset          = isUtcOffset;
proto.isUtc                = isUtc;
proto.isUTC                = isUtc;

// Timezone
proto.zoneAbbr = getZoneAbbr;
proto.zoneName = getZoneName;

// Deprecations
proto.dates  = deprecate('dates accessor is deprecated. Use date instead.', getSetDayOfMonth);
proto.months = deprecate('months accessor is deprecated. Use month instead', getSetMonth);
proto.years  = deprecate('years accessor is deprecated. Use year instead', getSetYear);
proto.zone   = deprecate('moment().zone is deprecated, use moment().utcOffset instead. http://momentjs.com/guides/#/warnings/zone/', getSetZone);
proto.isDSTShifted = deprecate('isDSTShifted is deprecated. See http://momentjs.com/guides/#/warnings/dst-shifted/ for more information', isDaylightSavingTimeShifted);

function createUnix (input) {
    return createLocal(input * 1000);
}

function createInZone () {
    return createLocal.apply(null, arguments).parseZone();
}

function preParsePostFormat (string) {
    return string;
}

var proto$1 = Locale.prototype;

proto$1.calendar        = calendar;
proto$1.longDateFormat  = longDateFormat;
proto$1.invalidDate     = invalidDate;
proto$1.ordinal         = ordinal;
proto$1.preparse        = preParsePostFormat;
proto$1.postformat      = preParsePostFormat;
proto$1.relativeTime    = relativeTime;
proto$1.pastFuture      = pastFuture;
proto$1.set             = set;

// Month
proto$1.months            =        localeMonths;
proto$1.monthsShort       =        localeMonthsShort;
proto$1.monthsParse       =        localeMonthsParse;
proto$1.monthsRegex       = monthsRegex;
proto$1.monthsShortRegex  = monthsShortRegex;

// Week
proto$1.week = localeWeek;
proto$1.firstDayOfYear = localeFirstDayOfYear;
proto$1.firstDayOfWeek = localeFirstDayOfWeek;

// Day of Week
proto$1.weekdays       =        localeWeekdays;
proto$1.weekdaysMin    =        localeWeekdaysMin;
proto$1.weekdaysShort  =        localeWeekdaysShort;
proto$1.weekdaysParse  =        localeWeekdaysParse;

proto$1.weekdaysRegex       =        weekdaysRegex;
proto$1.weekdaysShortRegex  =        weekdaysShortRegex;
proto$1.weekdaysMinRegex    =        weekdaysMinRegex;

// Hours
proto$1.isPM = localeIsPM;
proto$1.meridiem = localeMeridiem;

function get$1 (format, index, field, setter) {
    var locale = getLocale();
    var utc = createUTC().set(setter, index);
    return locale[field](utc, format);
}

function listMonthsImpl (format, index, field) {
    if (isNumber(format)) {
        index = format;
        format = undefined;
    }

    format = format || '';

    if (index != null) {
        return get$1(format, index, field, 'month');
    }

    var i;
    var out = [];
    for (i = 0; i < 12; i++) {
        out[i] = get$1(format, i, field, 'month');
    }
    return out;
}

// ()
// (5)
// (fmt, 5)
// (fmt)
// (true)
// (true, 5)
// (true, fmt, 5)
// (true, fmt)
function listWeekdaysImpl (localeSorted, format, index, field) {
    if (typeof localeSorted === 'boolean') {
        if (isNumber(format)) {
            index = format;
            format = undefined;
        }

        format = format || '';
    } else {
        format = localeSorted;
        index = format;
        localeSorted = false;

        if (isNumber(format)) {
            index = format;
            format = undefined;
        }

        format = format || '';
    }

    var locale = getLocale(),
        shift = localeSorted ? locale._week.dow : 0;

    if (index != null) {
        return get$1(format, (index + shift) % 7, field, 'day');
    }

    var i;
    var out = [];
    for (i = 0; i < 7; i++) {
        out[i] = get$1(format, (i + shift) % 7, field, 'day');
    }
    return out;
}

function listMonths (format, index) {
    return listMonthsImpl(format, index, 'months');
}

function listMonthsShort (format, index) {
    return listMonthsImpl(format, index, 'monthsShort');
}

function listWeekdays (localeSorted, format, index) {
    return listWeekdaysImpl(localeSorted, format, index, 'weekdays');
}

function listWeekdaysShort (localeSorted, format, index) {
    return listWeekdaysImpl(localeSorted, format, index, 'weekdaysShort');
}

function listWeekdaysMin (localeSorted, format, index) {
    return listWeekdaysImpl(localeSorted, format, index, 'weekdaysMin');
}

getSetGlobalLocale('en', {
    dayOfMonthOrdinalParse: /\d{1,2}(th|st|nd|rd)/,
    ordinal : function (number) {
        var b = number % 10,
            output = (toInt(number % 100 / 10) === 1) ? 'th' :
            (b === 1) ? 'st' :
            (b === 2) ? 'nd' :
            (b === 3) ? 'rd' : 'th';
        return number + output;
    }
});

// Side effect imports
hooks.lang = deprecate('moment.lang is deprecated. Use moment.locale instead.', getSetGlobalLocale);
hooks.langData = deprecate('moment.langData is deprecated. Use moment.localeData instead.', getLocale);

var mathAbs = Math.abs;

function abs () {
    var data           = this._data;

    this._milliseconds = mathAbs(this._milliseconds);
    this._days         = mathAbs(this._days);
    this._months       = mathAbs(this._months);

    data.milliseconds  = mathAbs(data.milliseconds);
    data.seconds       = mathAbs(data.seconds);
    data.minutes       = mathAbs(data.minutes);
    data.hours         = mathAbs(data.hours);
    data.months        = mathAbs(data.months);
    data.years         = mathAbs(data.years);

    return this;
}

function addSubtract$1 (duration, input, value, direction) {
    var other = createDuration(input, value);

    duration._milliseconds += direction * other._milliseconds;
    duration._days         += direction * other._days;
    duration._months       += direction * other._months;

    return duration._bubble();
}

// supports only 2.0-style add(1, 's') or add(duration)
function add$1 (input, value) {
    return addSubtract$1(this, input, value, 1);
}

// supports only 2.0-style subtract(1, 's') or subtract(duration)
function subtract$1 (input, value) {
    return addSubtract$1(this, input, value, -1);
}

function absCeil (number) {
    if (number < 0) {
        return Math.floor(number);
    } else {
        return Math.ceil(number);
    }
}

function bubble () {
    var milliseconds = this._milliseconds;
    var days         = this._days;
    var months       = this._months;
    var data         = this._data;
    var seconds, minutes, hours, years, monthsFromDays;

    // if we have a mix of positive and negative values, bubble down first
    // check: https://github.com/moment/moment/issues/2166
    if (!((milliseconds >= 0 && days >= 0 && months >= 0) ||
            (milliseconds <= 0 && days <= 0 && months <= 0))) {
        milliseconds += absCeil(monthsToDays(months) + days) * 864e5;
        days = 0;
        months = 0;
    }

    // The following code bubbles up values, see the tests for
    // examples of what that means.
    data.milliseconds = milliseconds % 1000;

    seconds           = absFloor(milliseconds / 1000);
    data.seconds      = seconds % 60;

    minutes           = absFloor(seconds / 60);
    data.minutes      = minutes % 60;

    hours             = absFloor(minutes / 60);
    data.hours        = hours % 24;

    days += absFloor(hours / 24);

    // convert days to months
    monthsFromDays = absFloor(daysToMonths(days));
    months += monthsFromDays;
    days -= absCeil(monthsToDays(monthsFromDays));

    // 12 months -> 1 year
    years = absFloor(months / 12);
    months %= 12;

    data.days   = days;
    data.months = months;
    data.years  = years;

    return this;
}

function daysToMonths (days) {
    // 400 years have 146097 days (taking into account leap year rules)
    // 400 years have 12 months === 4800
    return days * 4800 / 146097;
}

function monthsToDays (months) {
    // the reverse of daysToMonths
    return months * 146097 / 4800;
}

function as (units) {
    if (!this.isValid()) {
        return NaN;
    }
    var days;
    var months;
    var milliseconds = this._milliseconds;

    units = normalizeUnits(units);

    if (units === 'month' || units === 'year') {
        days   = this._days   + milliseconds / 864e5;
        months = this._months + daysToMonths(days);
        return units === 'month' ? months : months / 12;
    } else {
        // handle milliseconds separately because of floating point math errors (issue #1867)
        days = this._days + Math.round(monthsToDays(this._months));
        switch (units) {
            case 'week'   : return days / 7     + milliseconds / 6048e5;
            case 'day'    : return days         + milliseconds / 864e5;
            case 'hour'   : return days * 24    + milliseconds / 36e5;
            case 'minute' : return days * 1440  + milliseconds / 6e4;
            case 'second' : return days * 86400 + milliseconds / 1000;
            // Math.floor prevents floating point math errors here
            case 'millisecond': return Math.floor(days * 864e5) + milliseconds;
            default: throw new Error('Unknown unit ' + units);
        }
    }
}

// TODO: Use this.as('ms')?
function valueOf$1 () {
    if (!this.isValid()) {
        return NaN;
    }
    return (
        this._milliseconds +
        this._days * 864e5 +
        (this._months % 12) * 2592e6 +
        toInt(this._months / 12) * 31536e6
    );
}

function makeAs (alias) {
    return function () {
        return this.as(alias);
    };
}

var asMilliseconds = makeAs('ms');
var asSeconds      = makeAs('s');
var asMinutes      = makeAs('m');
var asHours        = makeAs('h');
var asDays         = makeAs('d');
var asWeeks        = makeAs('w');
var asMonths       = makeAs('M');
var asYears        = makeAs('y');

function clone$1 () {
    return createDuration(this);
}

function get$2 (units) {
    units = normalizeUnits(units);
    return this.isValid() ? this[units + 's']() : NaN;
}

function makeGetter(name) {
    return function () {
        return this.isValid() ? this._data[name] : NaN;
    };
}

var milliseconds = makeGetter('milliseconds');
var seconds      = makeGetter('seconds');
var minutes      = makeGetter('minutes');
var hours        = makeGetter('hours');
var days         = makeGetter('days');
var months       = makeGetter('months');
var years        = makeGetter('years');

function weeks () {
    return absFloor(this.days() / 7);
}

var round = Math.round;
var thresholds = {
    ss: 44,         // a few seconds to seconds
    s : 45,         // seconds to minute
    m : 45,         // minutes to hour
    h : 22,         // hours to day
    d : 26,         // days to month
    M : 11          // months to year
};

// helper function for moment.fn.from, moment.fn.fromNow, and moment.duration.fn.humanize
function substituteTimeAgo(string, number, withoutSuffix, isFuture, locale) {
    return locale.relativeTime(number || 1, !!withoutSuffix, string, isFuture);
}

function relativeTime$1 (posNegDuration, withoutSuffix, locale) {
    var duration = createDuration(posNegDuration).abs();
    var seconds  = round(duration.as('s'));
    var minutes  = round(duration.as('m'));
    var hours    = round(duration.as('h'));
    var days     = round(duration.as('d'));
    var months   = round(duration.as('M'));
    var years    = round(duration.as('y'));

    var a = seconds <= thresholds.ss && ['s', seconds]  ||
            seconds < thresholds.s   && ['ss', seconds] ||
            minutes <= 1             && ['m']           ||
            minutes < thresholds.m   && ['mm', minutes] ||
            hours   <= 1             && ['h']           ||
            hours   < thresholds.h   && ['hh', hours]   ||
            days    <= 1             && ['d']           ||
            days    < thresholds.d   && ['dd', days]    ||
            months  <= 1             && ['M']           ||
            months  < thresholds.M   && ['MM', months]  ||
            years   <= 1             && ['y']           || ['yy', years];

    a[2] = withoutSuffix;
    a[3] = +posNegDuration > 0;
    a[4] = locale;
    return substituteTimeAgo.apply(null, a);
}

// This function allows you to set the rounding function for relative time strings
function getSetRelativeTimeRounding (roundingFunction) {
    if (roundingFunction === undefined) {
        return round;
    }
    if (typeof(roundingFunction) === 'function') {
        round = roundingFunction;
        return true;
    }
    return false;
}

// This function allows you to set a threshold for relative time strings
function getSetRelativeTimeThreshold (threshold, limit) {
    if (thresholds[threshold] === undefined) {
        return false;
    }
    if (limit === undefined) {
        return thresholds[threshold];
    }
    thresholds[threshold] = limit;
    if (threshold === 's') {
        thresholds.ss = limit - 1;
    }
    return true;
}

function humanize (withSuffix) {
    if (!this.isValid()) {
        return this.localeData().invalidDate();
    }

    var locale = this.localeData();
    var output = relativeTime$1(this, !withSuffix, locale);

    if (withSuffix) {
        output = locale.pastFuture(+this, output);
    }

    return locale.postformat(output);
}

var abs$1 = Math.abs;

function sign(x) {
    return ((x > 0) - (x < 0)) || +x;
}

function toISOString$1() {
    // for ISO strings we do not use the normal bubbling rules:
    //  * milliseconds bubble up until they become hours
    //  * days do not bubble at all
    //  * months bubble up until they become years
    // This is because there is no context-free conversion between hours and days
    // (think of clock changes)
    // and also not between days and months (28-31 days per month)
    if (!this.isValid()) {
        return this.localeData().invalidDate();
    }

    var seconds = abs$1(this._milliseconds) / 1000;
    var days         = abs$1(this._days);
    var months       = abs$1(this._months);
    var minutes, hours, years;

    // 3600 seconds -> 60 minutes -> 1 hour
    minutes           = absFloor(seconds / 60);
    hours             = absFloor(minutes / 60);
    seconds %= 60;
    minutes %= 60;

    // 12 months -> 1 year
    years  = absFloor(months / 12);
    months %= 12;


    // inspired by https://github.com/dordille/moment-isoduration/blob/master/moment.isoduration.js
    var Y = years;
    var M = months;
    var D = days;
    var h = hours;
    var m = minutes;
    var s = seconds ? seconds.toFixed(3).replace(/\.?0+$/, '') : '';
    var total = this.asSeconds();

    if (!total) {
        // this is the same as C#'s (Noda) and python (isodate)...
        // but not other JS (goog.date)
        return 'P0D';
    }

    var totalSign = total < 0 ? '-' : '';
    var ymSign = sign(this._months) !== sign(total) ? '-' : '';
    var daysSign = sign(this._days) !== sign(total) ? '-' : '';
    var hmsSign = sign(this._milliseconds) !== sign(total) ? '-' : '';

    return totalSign + 'P' +
        (Y ? ymSign + Y + 'Y' : '') +
        (M ? ymSign + M + 'M' : '') +
        (D ? daysSign + D + 'D' : '') +
        ((h || m || s) ? 'T' : '') +
        (h ? hmsSign + h + 'H' : '') +
        (m ? hmsSign + m + 'M' : '') +
        (s ? hmsSign + s + 'S' : '');
}

var proto$2 = Duration.prototype;

proto$2.isValid        = isValid$1;
proto$2.abs            = abs;
proto$2.add            = add$1;
proto$2.subtract       = subtract$1;
proto$2.as             = as;
proto$2.asMilliseconds = asMilliseconds;
proto$2.asSeconds      = asSeconds;
proto$2.asMinutes      = asMinutes;
proto$2.asHours        = asHours;
proto$2.asDays         = asDays;
proto$2.asWeeks        = asWeeks;
proto$2.asMonths       = asMonths;
proto$2.asYears        = asYears;
proto$2.valueOf        = valueOf$1;
proto$2._bubble        = bubble;
proto$2.clone          = clone$1;
proto$2.get            = get$2;
proto$2.milliseconds   = milliseconds;
proto$2.seconds        = seconds;
proto$2.minutes        = minutes;
proto$2.hours          = hours;
proto$2.days           = days;
proto$2.weeks          = weeks;
proto$2.months         = months;
proto$2.years          = years;
proto$2.humanize       = humanize;
proto$2.toISOString    = toISOString$1;
proto$2.toString       = toISOString$1;
proto$2.toJSON         = toISOString$1;
proto$2.locale         = locale;
proto$2.localeData     = localeData;

// Deprecations
proto$2.toIsoString = deprecate('toIsoString() is deprecated. Please use toISOString() instead (notice the capitals)', toISOString$1);
proto$2.lang = lang;

// Side effect imports

// FORMATTING

addFormatToken('X', 0, 0, 'unix');
addFormatToken('x', 0, 0, 'valueOf');

// PARSING

addRegexToken('x', matchSigned);
addRegexToken('X', matchTimestamp);
addParseToken('X', function (input, array, config) {
    config._d = new Date(parseFloat(input, 10) * 1000);
});
addParseToken('x', function (input, array, config) {
    config._d = new Date(toInt(input));
});

// Side effect imports


hooks.version = '2.19.4';

setHookCallback(createLocal);

hooks.fn                    = proto;
hooks.min                   = min;
hooks.max                   = max;
hooks.now                   = now;
hooks.utc                   = createUTC;
hooks.unix                  = createUnix;
hooks.months                = listMonths;
hooks.isDate                = isDate;
hooks.locale                = getSetGlobalLocale;
hooks.invalid               = createInvalid;
hooks.duration              = createDuration;
hooks.isMoment              = isMoment;
hooks.weekdays              = listWeekdays;
hooks.parseZone             = createInZone;
hooks.localeData            = getLocale;
hooks.isDuration            = isDuration;
hooks.monthsShort           = listMonthsShort;
hooks.weekdaysMin           = listWeekdaysMin;
hooks.defineLocale          = defineLocale;
hooks.updateLocale          = updateLocale;
hooks.locales               = listLocales;
hooks.weekdaysShort         = listWeekdaysShort;
hooks.normalizeUnits        = normalizeUnits;
hooks.relativeTimeRounding  = getSetRelativeTimeRounding;
hooks.relativeTimeThreshold = getSetRelativeTimeThreshold;
hooks.calendarFormat        = getCalendarFormat;
hooks.prototype             = proto;

return hooks;

})));

/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(/*! ./../webpack/buildin/module.js */ "./node_modules/webpack/buildin/module.js")(module)))

/***/ }),

/***/ "./node_modules/pluggable.js/dist/pluggable.js":
/*!*****************************************************!*\
  !*** ./node_modules/pluggable.js/dist/pluggable.js ***!
  \*****************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;(function (global, factory) {
    if (true) {
        !(__WEBPACK_AMD_DEFINE_ARRAY__ = [exports, __webpack_require__(/*! lodash */ "./node_modules/lodash/lodash.js")], __WEBPACK_AMD_DEFINE_FACTORY__ = (factory),
				__WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ?
				(__WEBPACK_AMD_DEFINE_FACTORY__.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__)) : __WEBPACK_AMD_DEFINE_FACTORY__),
				__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
    } else { var mod; }
})(this, function (exports, _lodash) {
    'use strict';

    Object.defineProperty(exports, "__esModule", {
        value: true
    });
    exports.enable = undefined;

    var _ = _interopRequireWildcard(_lodash);

    function _interopRequireWildcard(obj) {
        if (obj && obj.__esModule) {
            return obj;
        } else {
            var newObj = {};

            if (obj != null) {
                for (var key in obj) {
                    if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key];
                }
            }

            newObj.default = obj;
            return newObj;
        }
    }

    var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
        return typeof obj;
    } : function (obj) {
        return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
    };

    // The `PluginSocket` class contains the plugin architecture, and gets
    // created whenever `pluggable.enable(obj);` is called on the object
    // that you want to make pluggable.
    // You can also see it as the thing into which the plugins are plugged.
    // It takes two parameters, first, the object being made pluggable, and
    // then the name by which the pluggable object may be referenced on the
    // __super__ object (inside overrides).
    function PluginSocket(plugged, name) {
        this.name = name;
        this.plugged = plugged;
        if (typeof this.plugged.__super__ === 'undefined') {
            this.plugged.__super__ = {};
        } else if (typeof this.plugged.__super__ === 'string') {
            this.plugged.__super__ = { '__string__': this.plugged.__super__ };
        }
        this.plugged.__super__[name] = this.plugged;
        this.plugins = {};
        this.initialized_plugins = [];
    }

    // Now we add methods to the PluginSocket by adding them to its
    // prototype.
    _.extend(PluginSocket.prototype, {

        // `wrappedOverride` creates a partially applied wrapper function
        // that makes sure to set the proper super method when the
        // overriding method is called. This is done to enable
        // chaining of plugin methods, all the way up to the
        // original method.
        wrappedOverride: function wrappedOverride(key, value, super_method, default_super) {
            if (typeof super_method === "function") {
                if (typeof this.__super__ === "undefined") {
                    /* We're not on the context of the plugged object.
                     * This can happen when the overridden method is called via
                     * an event handler or when it's a constructor.
                     *
                     * In this case, we simply tack on the  __super__ obj.
                     */
                    this.__super__ = default_super;
                }
                this.__super__[key] = super_method.bind(this);
            }
            return value.apply(this, _.drop(arguments, 4));
        },

        // `_overrideAttribute` overrides an attribute on the original object
        // (the thing being plugged into).
        //
        // If the attribute being overridden is a function, then the original
        // function will still be available via the `__super__` attribute.
        //
        // If the same function is being overridden multiple times, then
        // the original function will be available at the end of a chain of
        // functions, starting from the most recent override, all the way
        // back to the original function, each being referenced by the
        // previous' __super__ attribute.
        //
        // For example:
        //
        // `plugin2.MyFunc.__super__.myFunc => plugin1.MyFunc.__super__.myFunc => original.myFunc`
        _overrideAttribute: function _overrideAttribute(key, plugin) {
            var value = plugin.overrides[key];
            if (typeof value === "function") {
                var default_super = {};
                default_super[this.name] = this.plugged;

                var wrapped_function = _.partial(this.wrappedOverride, key, value, this.plugged[key], default_super);
                this.plugged[key] = wrapped_function;
            } else {
                this.plugged[key] = value;
            }
        },

        _extendObject: function _extendObject(obj, attributes) {
            if (!obj.prototype.__super__) {
                obj.prototype.__super__ = {};
                obj.prototype.__super__[this.name] = this.plugged;
            }
            var that = this;
            _.each(attributes, function (value, key) {
                if (key === 'events') {
                    obj.prototype[key] = _.extend(value, obj.prototype[key]);
                } else if (typeof value === 'function') {
                    // We create a partially applied wrapper function, that
                    // makes sure to set the proper super method when the
                    // overriding method is called. This is done to enable
                    // chaining of plugin methods, all the way up to the
                    // original method.
                    var default_super = {};
                    default_super[that.name] = that.plugged;

                    var wrapped_function = _.partial(that.wrappedOverride, key, value, obj.prototype[key], default_super);
                    obj.prototype[key] = wrapped_function;
                } else {
                    obj.prototype[key] = value;
                }
            });
        },

        // Plugins can specify dependencies (by means of the
        // `dependencies` list attribute) which refers to dependencies
        // which will be initialized first, before the plugin itself gets initialized.
        //
        // If `strict_plugin_dependencies` is set to `false` (on the object being
        // made pluggable), then no error will be thrown if any of these plugins aren't
        // available.
        loadPluginDependencies: function loadPluginDependencies(plugin) {
            var _this = this;

            _.each(plugin.dependencies, function (name) {
                var dep = _this.plugins[name];
                if (dep) {
                    if (_.includes(dep.dependencies, plugin.__name__)) {
                        /* FIXME: circular dependency checking is only one level deep. */
                        throw "Found a circular dependency between the plugins \"" + plugin.__name__ + "\" and \"" + name + "\"";
                    }
                    _this.initializePlugin(dep);
                } else {
                    _this.throwUndefinedDependencyError("Could not find dependency \"" + name + "\" " + "for the plugin \"" + plugin.__name__ + "\". " + "If it's needed, make sure it's loaded by require.js");
                }
            });
        },

        throwUndefinedDependencyError: function throwUndefinedDependencyError(msg) {
            if (this.plugged.strict_plugin_dependencies) {
                throw msg;
            } else {
                console.log(msg);
                return;
            }
        },

        // `applyOverrides` is called by initializePlugin. It applies any
        // and all overrides of methods or Backbone views and models that
        // are defined on any of the plugins.
        applyOverrides: function applyOverrides(plugin) {
            var _this2 = this;

            _.each(Object.keys(plugin.overrides || {}), function (key) {
                var override = plugin.overrides[key];
                if ((typeof override === 'undefined' ? 'undefined' : _typeof(override)) === "object") {
                    if (typeof _this2.plugged[key] === 'undefined') {
                        _this2.throwUndefinedDependencyError("Error: Plugin \"" + plugin.__name__ + "\" tried to override " + key + " but it's not found.");
                    } else {
                        _this2._extendObject(_this2.plugged[key], override);
                    }
                } else {
                    _this2._overrideAttribute(key, plugin);
                }
            });
        },

        // `initializePlugin` applies the overrides (if any) defined on all
        // the registered plugins and then calls the initialize method of the plugin
        initializePlugin: function initializePlugin(plugin) {
            if (!_.includes(_.keys(this.allowed_plugins), plugin.__name__)) {
                /* Don't initialize disallowed plugins. */
                return;
            }
            if (_.includes(this.initialized_plugins, plugin.__name__)) {
                /* Don't initialize plugins twice, otherwise we get
                * infinite recursion in overridden methods.
                */
                return;
            }
            if (_.isBoolean(plugin.enabled) && plugin.enabled || _.isFunction(plugin.enabled) && plugin.enabled(this.plugged) || _.isNil(plugin.enabled)) {

                _.extend(plugin, this.properties);
                if (plugin.dependencies) {
                    this.loadPluginDependencies(plugin);
                }
                this.applyOverrides(plugin);
                if (typeof plugin.initialize === "function") {
                    plugin.initialize.bind(plugin)(this);
                }
                this.initialized_plugins.push(plugin.__name__);
            }
        },

        // `registerPlugin` registers (or inserts, if you'd like) a plugin,
        // by adding it to the `plugins` map on the PluginSocket instance.
        registerPlugin: function registerPlugin(name, plugin) {
            if (name in this.plugins) {
                throw new Error('Error: Plugin name ' + name + ' is already taken');
            }
            plugin.__name__ = name;
            this.plugins[name] = plugin;
        },

        // `initializePlugins` should get called once all plugins have been
        // registered. It will then iterate through all the plugins, calling
        // `initializePlugin` for each.
        // The passed in  properties variable is an object with attributes and methods
        // which will be attached to the plugins.
        initializePlugins: function initializePlugins() {
            var properties = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
            var whitelist = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];
            var blacklist = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : [];

            if (!_.size(this.plugins)) {
                return;
            }
            this.properties = properties;
            this.allowed_plugins = _.pickBy(this.plugins, function (plugin, key) {
                return (!whitelist.length || whitelist.length && _.includes(whitelist, key)) && !_.includes(blacklist, key);
            });
            _.each(_.values(this.allowed_plugins), this.initializePlugin.bind(this));
        }
    });

    function enable(object, name, attrname) {
        // Call the `enable` method to make an object pluggable
        //
        // It takes three parameters:
        // - `object`: The object that gets made pluggable.
        // - `name`: The string name by which the now pluggable object
        //     may be referenced on the __super__ obj (in overrides).
        //     The default value is "plugged".
        // - `attrname`: The string name of the attribute on the now
        //     pluggable object, which refers to the PluginSocket instance
        //     that gets created.
        if (typeof attrname === "undefined") {
            attrname = "pluginSocket";
        }
        if (typeof name === 'undefined') {
            name = 'plugged';
        }
        var ref = {};
        ref[attrname] = new PluginSocket(object, name);
        return _.extend(object, ref);
    }

    exports.enable = enable;
    exports.default = {
        enable: enable
    };
});

//# sourceMappingURL=pluggable.js.map

/***/ }),

/***/ "./node_modules/process/browser.js":
/*!*****************************************!*\
  !*** ./node_modules/process/browser.js ***!
  \*****************************************/
/*! no static exports found */
/***/ (function(module, exports) {

// shim for using process in browser
var process = module.exports = {};

// cached from whatever global is present so that test runners that stub it
// don't break things.  But we need to wrap it in a try catch in case it is
// wrapped in strict mode code which doesn't define any globals.  It's inside a
// function because try/catches deoptimize in certain engines.

var cachedSetTimeout;
var cachedClearTimeout;

function defaultSetTimout() {
    throw new Error('setTimeout has not been defined');
}
function defaultClearTimeout () {
    throw new Error('clearTimeout has not been defined');
}
(function () {
    try {
        if (typeof setTimeout === 'function') {
            cachedSetTimeout = setTimeout;
        } else {
            cachedSetTimeout = defaultSetTimout;
        }
    } catch (e) {
        cachedSetTimeout = defaultSetTimout;
    }
    try {
        if (typeof clearTimeout === 'function') {
            cachedClearTimeout = clearTimeout;
        } else {
            cachedClearTimeout = defaultClearTimeout;
        }
    } catch (e) {
        cachedClearTimeout = defaultClearTimeout;
    }
} ())
function runTimeout(fun) {
    if (cachedSetTimeout === setTimeout) {
        //normal enviroments in sane situations
        return setTimeout(fun, 0);
    }
    // if setTimeout wasn't available but was latter defined
    if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
        cachedSetTimeout = setTimeout;
        return setTimeout(fun, 0);
    }
    try {
        // when when somebody has screwed with setTimeout but no I.E. maddness
        return cachedSetTimeout(fun, 0);
    } catch(e){
        try {
            // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
            return cachedSetTimeout.call(null, fun, 0);
        } catch(e){
            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
            return cachedSetTimeout.call(this, fun, 0);
        }
    }


}
function runClearTimeout(marker) {
    if (cachedClearTimeout === clearTimeout) {
        //normal enviroments in sane situations
        return clearTimeout(marker);
    }
    // if clearTimeout wasn't available but was latter defined
    if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
        cachedClearTimeout = clearTimeout;
        return clearTimeout(marker);
    }
    try {
        // when when somebody has screwed with setTimeout but no I.E. maddness
        return cachedClearTimeout(marker);
    } catch (e){
        try {
            // When we are in I.E. but the script has been evaled so I.E. doesn't  trust the global object when called normally
            return cachedClearTimeout.call(null, marker);
        } catch (e){
            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
            // Some versions of I.E. have different rules for clearTimeout vs setTimeout
            return cachedClearTimeout.call(this, marker);
        }
    }



}
var queue = [];
var draining = false;
var currentQueue;
var queueIndex = -1;

function cleanUpNextTick() {
    if (!draining || !currentQueue) {
        return;
    }
    draining = false;
    if (currentQueue.length) {
        queue = currentQueue.concat(queue);
    } else {
        queueIndex = -1;
    }
    if (queue.length) {
        drainQueue();
    }
}

function drainQueue() {
    if (draining) {
        return;
    }
    var timeout = runTimeout(cleanUpNextTick);
    draining = true;

    var len = queue.length;
    while(len) {
        currentQueue = queue;
        queue = [];
        while (++queueIndex < len) {
            if (currentQueue) {
                currentQueue[queueIndex].run();
            }
        }
        queueIndex = -1;
        len = queue.length;
    }
    currentQueue = null;
    draining = false;
    runClearTimeout(timeout);
}

process.nextTick = function (fun) {
    var args = new Array(arguments.length - 1);
    if (arguments.length > 1) {
        for (var i = 1; i < arguments.length; i++) {
            args[i - 1] = arguments[i];
        }
    }
    queue.push(new Item(fun, args));
    if (queue.length === 1 && !draining) {
        runTimeout(drainQueue);
    }
};

// v8 likes predictible objects
function Item(fun, array) {
    this.fun = fun;
    this.array = array;
}
Item.prototype.run = function () {
    this.fun.apply(null, this.array);
};
process.title = 'browser';
process.browser = true;
process.env = {};
process.argv = [];
process.version = ''; // empty string to avoid regexp issues
process.versions = {};

function noop() {}

process.on = noop;
process.addListener = noop;
process.once = noop;
process.off = noop;
process.removeListener = noop;
process.removeAllListeners = noop;
process.emit = noop;
process.prependListener = noop;
process.prependOnceListener = noop;

process.listeners = function (name) { return [] }

process.binding = function (name) {
    throw new Error('process.binding is not supported');
};

process.cwd = function () { return '/' };
process.chdir = function (dir) {
    throw new Error('process.chdir is not supported');
};
process.umask = function() { return 0; };


/***/ }),

/***/ "./node_modules/sizzle/dist/sizzle.js":
/*!********************************************!*\
  !*** ./node_modules/sizzle/dist/sizzle.js ***!
  \********************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var __WEBPACK_AMD_DEFINE_RESULT__;/*!
 * Sizzle CSS Selector Engine v2.3.3
 * https://sizzlejs.com/
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license
 * http://jquery.org/license
 *
 * Date: 2016-08-08
 */
(function( window ) {

var i,
	support,
	Expr,
	getText,
	isXML,
	tokenize,
	compile,
	select,
	outermostContext,
	sortInput,
	hasDuplicate,

	// Local document vars
	setDocument,
	document,
	docElem,
	documentIsHTML,
	rbuggyQSA,
	rbuggyMatches,
	matches,
	contains,

	// Instance-specific data
	expando = "sizzle" + 1 * new Date(),
	preferredDoc = window.document,
	dirruns = 0,
	done = 0,
	classCache = createCache(),
	tokenCache = createCache(),
	compilerCache = createCache(),
	sortOrder = function( a, b ) {
		if ( a === b ) {
			hasDuplicate = true;
		}
		return 0;
	},

	// Instance methods
	hasOwn = ({}).hasOwnProperty,
	arr = [],
	pop = arr.pop,
	push_native = arr.push,
	push = arr.push,
	slice = arr.slice,
	// Use a stripped-down indexOf as it's faster than native
	// https://jsperf.com/thor-indexof-vs-for/5
	indexOf = function( list, elem ) {
		var i = 0,
			len = list.length;
		for ( ; i < len; i++ ) {
			if ( list[i] === elem ) {
				return i;
			}
		}
		return -1;
	},

	booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",

	// Regular expressions

	// http://www.w3.org/TR/css3-selectors/#whitespace
	whitespace = "[\\x20\\t\\r\\n\\f]",

	// http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
	identifier = "(?:\\\\.|[\\w-]|[^\0-\\xa0])+",

	// Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
	attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace +
		// Operator (capture 2)
		"*([*^$|!~]?=)" + whitespace +
		// "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]"
		"*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace +
		"*\\]",

	pseudos = ":(" + identifier + ")(?:\\((" +
		// To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
		// 1. quoted (capture 3; capture 4 or capture 5)
		"('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +
		// 2. simple (capture 6)
		"((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" +
		// 3. anything else (capture 2)
		".*" +
		")\\)|)",

	// Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
	rwhitespace = new RegExp( whitespace + "+", "g" ),
	rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),

	rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
	rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),

	rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ),

	rpseudo = new RegExp( pseudos ),
	ridentifier = new RegExp( "^" + identifier + "$" ),

	matchExpr = {
		"ID": new RegExp( "^#(" + identifier + ")" ),
		"CLASS": new RegExp( "^\\.(" + identifier + ")" ),
		"TAG": new RegExp( "^(" + identifier + "|[*])" ),
		"ATTR": new RegExp( "^" + attributes ),
		"PSEUDO": new RegExp( "^" + pseudos ),
		"CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace +
			"*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +
			"*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
		"bool": new RegExp( "^(?:" + booleans + ")$", "i" ),
		// For use in libraries implementing .is()
		// We use this for POS matching in `select`
		"needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +
			whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
	},

	rinputs = /^(?:input|select|textarea|button)$/i,
	rheader = /^h\d$/i,

	rnative = /^[^{]+\{\s*\[native \w/,

	// Easily-parseable/retrievable ID or TAG or CLASS selectors
	rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,

	rsibling = /[+~]/,

	// CSS escapes
	// http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
	runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ),
	funescape = function( _, escaped, escapedWhitespace ) {
		var high = "0x" + escaped - 0x10000;
		// NaN means non-codepoint
		// Support: Firefox<24
		// Workaround erroneous numeric interpretation of +"0x"
		return high !== high || escapedWhitespace ?
			escaped :
			high < 0 ?
				// BMP codepoint
				String.fromCharCode( high + 0x10000 ) :
				// Supplemental Plane codepoint (surrogate pair)
				String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
	},

	// CSS string/identifier serialization
	// https://drafts.csswg.org/cssom/#common-serializing-idioms
	rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g,
	fcssescape = function( ch, asCodePoint ) {
		if ( asCodePoint ) {

			// U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER
			if ( ch === "\0" ) {
				return "\uFFFD";
			}

			// Control characters and (dependent upon position) numbers get escaped as code points
			return ch.slice( 0, -1 ) + "\\" + ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " ";
		}

		// Other potentially-special ASCII characters get backslash-escaped
		return "\\" + ch;
	},

	// Used for iframes
	// See setDocument()
	// Removing the function wrapper causes a "Permission Denied"
	// error in IE
	unloadHandler = function() {
		setDocument();
	},

	disabledAncestor = addCombinator(
		function( elem ) {
			return elem.disabled === true && ("form" in elem || "label" in elem);
		},
		{ dir: "parentNode", next: "legend" }
	);

// Optimize for push.apply( _, NodeList )
try {
	push.apply(
		(arr = slice.call( preferredDoc.childNodes )),
		preferredDoc.childNodes
	);
	// Support: Android<4.0
	// Detect silently failing push.apply
	arr[ preferredDoc.childNodes.length ].nodeType;
} catch ( e ) {
	push = { apply: arr.length ?

		// Leverage slice if possible
		function( target, els ) {
			push_native.apply( target, slice.call(els) );
		} :

		// Support: IE<9
		// Otherwise append directly
		function( target, els ) {
			var j = target.length,
				i = 0;
			// Can't trust NodeList.length
			while ( (target[j++] = els[i++]) ) {}
			target.length = j - 1;
		}
	};
}

function Sizzle( selector, context, results, seed ) {
	var m, i, elem, nid, match, groups, newSelector,
		newContext = context && context.ownerDocument,

		// nodeType defaults to 9, since context defaults to document
		nodeType = context ? context.nodeType : 9;

	results = results || [];

	// Return early from calls with invalid selector or context
	if ( typeof selector !== "string" || !selector ||
		nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) {

		return results;
	}

	// Try to shortcut find operations (as opposed to filters) in HTML documents
	if ( !seed ) {

		if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {
			setDocument( context );
		}
		context = context || document;

		if ( documentIsHTML ) {

			// If the selector is sufficiently simple, try using a "get*By*" DOM method
			// (excepting DocumentFragment context, where the methods don't exist)
			if ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) {

				// ID selector
				if ( (m = match[1]) ) {

					// Document context
					if ( nodeType === 9 ) {
						if ( (elem = context.getElementById( m )) ) {

							// Support: IE, Opera, Webkit
							// TODO: identify versions
							// getElementById can match elements by name instead of ID
							if ( elem.id === m ) {
								results.push( elem );
								return results;
							}
						} else {
							return results;
						}

					// Element context
					} else {

						// Support: IE, Opera, Webkit
						// TODO: identify versions
						// getElementById can match elements by name instead of ID
						if ( newContext && (elem = newContext.getElementById( m )) &&
							contains( context, elem ) &&
							elem.id === m ) {

							results.push( elem );
							return results;
						}
					}

				// Type selector
				} else if ( match[2] ) {
					push.apply( results, context.getElementsByTagName( selector ) );
					return results;

				// Class selector
				} else if ( (m = match[3]) && support.getElementsByClassName &&
					context.getElementsByClassName ) {

					push.apply( results, context.getElementsByClassName( m ) );
					return results;
				}
			}

			// Take advantage of querySelectorAll
			if ( support.qsa &&
				!compilerCache[ selector + " " ] &&
				(!rbuggyQSA || !rbuggyQSA.test( selector )) ) {

				if ( nodeType !== 1 ) {
					newContext = context;
					newSelector = selector;

				// qSA looks outside Element context, which is not what we want
				// Thanks to Andrew Dupont for this workaround technique
				// Support: IE <=8
				// Exclude object elements
				} else if ( context.nodeName.toLowerCase() !== "object" ) {

					// Capture the context ID, setting it first if necessary
					if ( (nid = context.getAttribute( "id" )) ) {
						nid = nid.replace( rcssescape, fcssescape );
					} else {
						context.setAttribute( "id", (nid = expando) );
					}

					// Prefix every selector in the list
					groups = tokenize( selector );
					i = groups.length;
					while ( i-- ) {
						groups[i] = "#" + nid + " " + toSelector( groups[i] );
					}
					newSelector = groups.join( "," );

					// Expand context for sibling selectors
					newContext = rsibling.test( selector ) && testContext( context.parentNode ) ||
						context;
				}

				if ( newSelector ) {
					try {
						push.apply( results,
							newContext.querySelectorAll( newSelector )
						);
						return results;
					} catch ( qsaError ) {
					} finally {
						if ( nid === expando ) {
							context.removeAttribute( "id" );
						}
					}
				}
			}
		}
	}

	// All others
	return select( selector.replace( rtrim, "$1" ), context, results, seed );
}

/**
 * Create key-value caches of limited size
 * @returns {function(string, object)} Returns the Object data after storing it on itself with
 *	property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
 *	deleting the oldest entry
 */
function createCache() {
	var keys = [];

	function cache( key, value ) {
		// Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
		if ( keys.push( key + " " ) > Expr.cacheLength ) {
			// Only keep the most recent entries
			delete cache[ keys.shift() ];
		}
		return (cache[ key + " " ] = value);
	}
	return cache;
}

/**
 * Mark a function for special use by Sizzle
 * @param {Function} fn The function to mark
 */
function markFunction( fn ) {
	fn[ expando ] = true;
	return fn;
}

/**
 * Support testing using an element
 * @param {Function} fn Passed the created element and returns a boolean result
 */
function assert( fn ) {
	var el = document.createElement("fieldset");

	try {
		return !!fn( el );
	} catch (e) {
		return false;
	} finally {
		// Remove from its parent by default
		if ( el.parentNode ) {
			el.parentNode.removeChild( el );
		}
		// release memory in IE
		el = null;
	}
}

/**
 * Adds the same handler for all of the specified attrs
 * @param {String} attrs Pipe-separated list of attributes
 * @param {Function} handler The method that will be applied
 */
function addHandle( attrs, handler ) {
	var arr = attrs.split("|"),
		i = arr.length;

	while ( i-- ) {
		Expr.attrHandle[ arr[i] ] = handler;
	}
}

/**
 * Checks document order of two siblings
 * @param {Element} a
 * @param {Element} b
 * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
 */
function siblingCheck( a, b ) {
	var cur = b && a,
		diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
			a.sourceIndex - b.sourceIndex;

	// Use IE sourceIndex if available on both nodes
	if ( diff ) {
		return diff;
	}

	// Check if b follows a
	if ( cur ) {
		while ( (cur = cur.nextSibling) ) {
			if ( cur === b ) {
				return -1;
			}
		}
	}

	return a ? 1 : -1;
}

/**
 * Returns a function to use in pseudos for input types
 * @param {String} type
 */
function createInputPseudo( type ) {
	return function( elem ) {
		var name = elem.nodeName.toLowerCase();
		return name === "input" && elem.type === type;
	};
}

/**
 * Returns a function to use in pseudos for buttons
 * @param {String} type
 */
function createButtonPseudo( type ) {
	return function( elem ) {
		var name = elem.nodeName.toLowerCase();
		return (name === "input" || name === "button") && elem.type === type;
	};
}

/**
 * Returns a function to use in pseudos for :enabled/:disabled
 * @param {Boolean} disabled true for :disabled; false for :enabled
 */
function createDisabledPseudo( disabled ) {

	// Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable
	return function( elem ) {

		// Only certain elements can match :enabled or :disabled
		// https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled
		// https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled
		if ( "form" in elem ) {

			// Check for inherited disabledness on relevant non-disabled elements:
			// * listed form-associated elements in a disabled fieldset
			//   https://html.spec.whatwg.org/multipage/forms.html#category-listed
			//   https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled
			// * option elements in a disabled optgroup
			//   https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled
			// All such elements have a "form" property.
			if ( elem.parentNode && elem.disabled === false ) {

				// Option elements defer to a parent optgroup if present
				if ( "label" in elem ) {
					if ( "label" in elem.parentNode ) {
						return elem.parentNode.disabled === disabled;
					} else {
						return elem.disabled === disabled;
					}
				}

				// Support: IE 6 - 11
				// Use the isDisabled shortcut property to check for disabled fieldset ancestors
				return elem.isDisabled === disabled ||

					// Where there is no isDisabled, check manually
					/* jshint -W018 */
					elem.isDisabled !== !disabled &&
						disabledAncestor( elem ) === disabled;
			}

			return elem.disabled === disabled;

		// Try to winnow out elements that can't be disabled before trusting the disabled property.
		// Some victims get caught in our net (label, legend, menu, track), but it shouldn't
		// even exist on them, let alone have a boolean value.
		} else if ( "label" in elem ) {
			return elem.disabled === disabled;
		}

		// Remaining elements are neither :enabled nor :disabled
		return false;
	};
}

/**
 * Returns a function to use in pseudos for positionals
 * @param {Function} fn
 */
function createPositionalPseudo( fn ) {
	return markFunction(function( argument ) {
		argument = +argument;
		return markFunction(function( seed, matches ) {
			var j,
				matchIndexes = fn( [], seed.length, argument ),
				i = matchIndexes.length;

			// Match elements found at the specified indexes
			while ( i-- ) {
				if ( seed[ (j = matchIndexes[i]) ] ) {
					seed[j] = !(matches[j] = seed[j]);
				}
			}
		});
	});
}

/**
 * Checks a node for validity as a Sizzle context
 * @param {Element|Object=} context
 * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
 */
function testContext( context ) {
	return context && typeof context.getElementsByTagName !== "undefined" && context;
}

// Expose support vars for convenience
support = Sizzle.support = {};

/**
 * Detects XML nodes
 * @param {Element|Object} elem An element or a document
 * @returns {Boolean} True iff elem is a non-HTML XML node
 */
isXML = Sizzle.isXML = function( elem ) {
	// documentElement is verified for cases where it doesn't yet exist
	// (such as loading iframes in IE - #4833)
	var documentElement = elem && (elem.ownerDocument || elem).documentElement;
	return documentElement ? documentElement.nodeName !== "HTML" : false;
};

/**
 * Sets document-related variables once based on the current document
 * @param {Element|Object} [doc] An element or document object to use to set the document
 * @returns {Object} Returns the current document
 */
setDocument = Sizzle.setDocument = function( node ) {
	var hasCompare, subWindow,
		doc = node ? node.ownerDocument || node : preferredDoc;

	// Return early if doc is invalid or already selected
	if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {
		return document;
	}

	// Update global variables
	document = doc;
	docElem = document.documentElement;
	documentIsHTML = !isXML( document );

	// Support: IE 9-11, Edge
	// Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936)
	if ( preferredDoc !== document &&
		(subWindow = document.defaultView) && subWindow.top !== subWindow ) {

		// Support: IE 11, Edge
		if ( subWindow.addEventListener ) {
			subWindow.addEventListener( "unload", unloadHandler, false );

		// Support: IE 9 - 10 only
		} else if ( subWindow.attachEvent ) {
			subWindow.attachEvent( "onunload", unloadHandler );
		}
	}

	/* Attributes
	---------------------------------------------------------------------- */

	// Support: IE<8
	// Verify that getAttribute really returns attributes and not properties
	// (excepting IE8 booleans)
	support.attributes = assert(function( el ) {
		el.className = "i";
		return !el.getAttribute("className");
	});

	/* getElement(s)By*
	---------------------------------------------------------------------- */

	// Check if getElementsByTagName("*") returns only elements
	support.getElementsByTagName = assert(function( el ) {
		el.appendChild( document.createComment("") );
		return !el.getElementsByTagName("*").length;
	});

	// Support: IE<9
	support.getElementsByClassName = rnative.test( document.getElementsByClassName );

	// Support: IE<10
	// Check if getElementById returns elements by name
	// The broken getElementById methods don't pick up programmatically-set names,
	// so use a roundabout getElementsByName test
	support.getById = assert(function( el ) {
		docElem.appendChild( el ).id = expando;
		return !document.getElementsByName || !document.getElementsByName( expando ).length;
	});

	// ID filter and find
	if ( support.getById ) {
		Expr.filter["ID"] = function( id ) {
			var attrId = id.replace( runescape, funescape );
			return function( elem ) {
				return elem.getAttribute("id") === attrId;
			};
		};
		Expr.find["ID"] = function( id, context ) {
			if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
				var elem = context.getElementById( id );
				return elem ? [ elem ] : [];
			}
		};
	} else {
		Expr.filter["ID"] =  function( id ) {
			var attrId = id.replace( runescape, funescape );
			return function( elem ) {
				var node = typeof elem.getAttributeNode !== "undefined" &&
					elem.getAttributeNode("id");
				return node && node.value === attrId;
			};
		};

		// Support: IE 6 - 7 only
		// getElementById is not reliable as a find shortcut
		Expr.find["ID"] = function( id, context ) {
			if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
				var node, i, elems,
					elem = context.getElementById( id );

				if ( elem ) {

					// Verify the id attribute
					node = elem.getAttributeNode("id");
					if ( node && node.value === id ) {
						return [ elem ];
					}

					// Fall back on getElementsByName
					elems = context.getElementsByName( id );
					i = 0;
					while ( (elem = elems[i++]) ) {
						node = elem.getAttributeNode("id");
						if ( node && node.value === id ) {
							return [ elem ];
						}
					}
				}

				return [];
			}
		};
	}

	// Tag
	Expr.find["TAG"] = support.getElementsByTagName ?
		function( tag, context ) {
			if ( typeof context.getElementsByTagName !== "undefined" ) {
				return context.getElementsByTagName( tag );

			// DocumentFragment nodes don't have gEBTN
			} else if ( support.qsa ) {
				return context.querySelectorAll( tag );
			}
		} :

		function( tag, context ) {
			var elem,
				tmp = [],
				i = 0,
				// By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too
				results = context.getElementsByTagName( tag );

			// Filter out possible comments
			if ( tag === "*" ) {
				while ( (elem = results[i++]) ) {
					if ( elem.nodeType === 1 ) {
						tmp.push( elem );
					}
				}

				return tmp;
			}
			return results;
		};

	// Class
	Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) {
		if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) {
			return context.getElementsByClassName( className );
		}
	};

	/* QSA/matchesSelector
	---------------------------------------------------------------------- */

	// QSA and matchesSelector support

	// matchesSelector(:active) reports false when true (IE9/Opera 11.5)
	rbuggyMatches = [];

	// qSa(:focus) reports false when true (Chrome 21)
	// We allow this because of a bug in IE8/9 that throws an error
	// whenever `document.activeElement` is accessed on an iframe
	// So, we allow :focus to pass through QSA all the time to avoid the IE error
	// See https://bugs.jquery.com/ticket/13378
	rbuggyQSA = [];

	if ( (support.qsa = rnative.test( document.querySelectorAll )) ) {
		// Build QSA regex
		// Regex strategy adopted from Diego Perini
		assert(function( el ) {
			// Select is set to empty string on purpose
			// This is to test IE's treatment of not explicitly
			// setting a boolean content attribute,
			// since its presence should be enough
			// https://bugs.jquery.com/ticket/12359
			docElem.appendChild( el ).innerHTML = "<a id='" + expando + "'></a>" +
				"<select id='" + expando + "-\r\\' msallowcapture=''>" +
				"<option selected=''></option></select>";

			// Support: IE8, Opera 11-12.16
			// Nothing should be selected when empty strings follow ^= or $= or *=
			// The test attribute must be unknown in Opera but "safe" for WinRT
			// https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
			if ( el.querySelectorAll("[msallowcapture^='']").length ) {
				rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
			}

			// Support: IE8
			// Boolean attributes and "value" are not treated correctly
			if ( !el.querySelectorAll("[selected]").length ) {
				rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
			}

			// Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+
			if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) {
				rbuggyQSA.push("~=");
			}

			// Webkit/Opera - :checked should return selected option elements
			// http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
			// IE8 throws error here and will not see later tests
			if ( !el.querySelectorAll(":checked").length ) {
				rbuggyQSA.push(":checked");
			}

			// Support: Safari 8+, iOS 8+
			// https://bugs.webkit.org/show_bug.cgi?id=136851
			// In-page `selector#id sibling-combinator selector` fails
			if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) {
				rbuggyQSA.push(".#.+[+~]");
			}
		});

		assert(function( el ) {
			el.innerHTML = "<a href='' disabled='disabled'></a>" +
				"<select disabled='disabled'><option/></select>";

			// Support: Windows 8 Native Apps
			// The type and name attributes are restricted during .innerHTML assignment
			var input = document.createElement("input");
			input.setAttribute( "type", "hidden" );
			el.appendChild( input ).setAttribute( "name", "D" );

			// Support: IE8
			// Enforce case-sensitivity of name attribute
			if ( el.querySelectorAll("[name=d]").length ) {
				rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" );
			}

			// FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
			// IE8 throws error here and will not see later tests
			if ( el.querySelectorAll(":enabled").length !== 2 ) {
				rbuggyQSA.push( ":enabled", ":disabled" );
			}

			// Support: IE9-11+
			// IE's :disabled selector does not pick up the children of disabled fieldsets
			docElem.appendChild( el ).disabled = true;
			if ( el.querySelectorAll(":disabled").length !== 2 ) {
				rbuggyQSA.push( ":enabled", ":disabled" );
			}

			// Opera 10-11 does not throw on post-comma invalid pseudos
			el.querySelectorAll("*,:x");
			rbuggyQSA.push(",.*:");
		});
	}

	if ( (support.matchesSelector = rnative.test( (matches = docElem.matches ||
		docElem.webkitMatchesSelector ||
		docElem.mozMatchesSelector ||
		docElem.oMatchesSelector ||
		docElem.msMatchesSelector) )) ) {

		assert(function( el ) {
			// Check to see if it's possible to do matchesSelector
			// on a disconnected node (IE 9)
			support.disconnectedMatch = matches.call( el, "*" );

			// This should fail with an exception
			// Gecko does not error, returns false instead
			matches.call( el, "[s!='']:x" );
			rbuggyMatches.push( "!=", pseudos );
		});
	}

	rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") );
	rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") );

	/* Contains
	---------------------------------------------------------------------- */
	hasCompare = rnative.test( docElem.compareDocumentPosition );

	// Element contains another
	// Purposefully self-exclusive
	// As in, an element does not contain itself
	contains = hasCompare || rnative.test( docElem.contains ) ?
		function( a, b ) {
			var adown = a.nodeType === 9 ? a.documentElement : a,
				bup = b && b.parentNode;
			return a === bup || !!( bup && bup.nodeType === 1 && (
				adown.contains ?
					adown.contains( bup ) :
					a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
			));
		} :
		function( a, b ) {
			if ( b ) {
				while ( (b = b.parentNode) ) {
					if ( b === a ) {
						return true;
					}
				}
			}
			return false;
		};

	/* Sorting
	---------------------------------------------------------------------- */

	// Document order sorting
	sortOrder = hasCompare ?
	function( a, b ) {

		// Flag for duplicate removal
		if ( a === b ) {
			hasDuplicate = true;
			return 0;
		}

		// Sort on method existence if only one input has compareDocumentPosition
		var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
		if ( compare ) {
			return compare;
		}

		// Calculate position if both inputs belong to the same document
		compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ?
			a.compareDocumentPosition( b ) :

			// Otherwise we know they are disconnected
			1;

		// Disconnected nodes
		if ( compare & 1 ||
			(!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {

			// Choose the first element that is related to our preferred document
			if ( a === document || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) {
				return -1;
			}
			if ( b === document || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) {
				return 1;
			}

			// Maintain original order
			return sortInput ?
				( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
				0;
		}

		return compare & 4 ? -1 : 1;
	} :
	function( a, b ) {
		// Exit early if the nodes are identical
		if ( a === b ) {
			hasDuplicate = true;
			return 0;
		}

		var cur,
			i = 0,
			aup = a.parentNode,
			bup = b.parentNode,
			ap = [ a ],
			bp = [ b ];

		// Parentless nodes are either documents or disconnected
		if ( !aup || !bup ) {
			return a === document ? -1 :
				b === document ? 1 :
				aup ? -1 :
				bup ? 1 :
				sortInput ?
				( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
				0;

		// If the nodes are siblings, we can do a quick check
		} else if ( aup === bup ) {
			return siblingCheck( a, b );
		}

		// Otherwise we need full lists of their ancestors for comparison
		cur = a;
		while ( (cur = cur.parentNode) ) {
			ap.unshift( cur );
		}
		cur = b;
		while ( (cur = cur.parentNode) ) {
			bp.unshift( cur );
		}

		// Walk down the tree looking for a discrepancy
		while ( ap[i] === bp[i] ) {
			i++;
		}

		return i ?
			// Do a sibling check if the nodes have a common ancestor
			siblingCheck( ap[i], bp[i] ) :

			// Otherwise nodes in our document sort first
			ap[i] === preferredDoc ? -1 :
			bp[i] === preferredDoc ? 1 :
			0;
	};

	return document;
};

Sizzle.matches = function( expr, elements ) {
	return Sizzle( expr, null, null, elements );
};

Sizzle.matchesSelector = function( elem, expr ) {
	// Set document vars if needed
	if ( ( elem.ownerDocument || elem ) !== document ) {
		setDocument( elem );
	}

	// Make sure that attribute selectors are quoted
	expr = expr.replace( rattributeQuotes, "='$1']" );

	if ( support.matchesSelector && documentIsHTML &&
		!compilerCache[ expr + " " ] &&
		( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
		( !rbuggyQSA     || !rbuggyQSA.test( expr ) ) ) {

		try {
			var ret = matches.call( elem, expr );

			// IE 9's matchesSelector returns false on disconnected nodes
			if ( ret || support.disconnectedMatch ||
					// As well, disconnected nodes are said to be in a document
					// fragment in IE 9
					elem.document && elem.document.nodeType !== 11 ) {
				return ret;
			}
		} catch (e) {}
	}

	return Sizzle( expr, document, null, [ elem ] ).length > 0;
};

Sizzle.contains = function( context, elem ) {
	// Set document vars if needed
	if ( ( context.ownerDocument || context ) !== document ) {
		setDocument( context );
	}
	return contains( context, elem );
};

Sizzle.attr = function( elem, name ) {
	// Set document vars if needed
	if ( ( elem.ownerDocument || elem ) !== document ) {
		setDocument( elem );
	}

	var fn = Expr.attrHandle[ name.toLowerCase() ],
		// Don't get fooled by Object.prototype properties (jQuery #13807)
		val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
			fn( elem, name, !documentIsHTML ) :
			undefined;

	return val !== undefined ?
		val :
		support.attributes || !documentIsHTML ?
			elem.getAttribute( name ) :
			(val = elem.getAttributeNode(name)) && val.specified ?
				val.value :
				null;
};

Sizzle.escape = function( sel ) {
	return (sel + "").replace( rcssescape, fcssescape );
};

Sizzle.error = function( msg ) {
	throw new Error( "Syntax error, unrecognized expression: " + msg );
};

/**
 * Document sorting and removing duplicates
 * @param {ArrayLike} results
 */
Sizzle.uniqueSort = function( results ) {
	var elem,
		duplicates = [],
		j = 0,
		i = 0;

	// Unless we *know* we can detect duplicates, assume their presence
	hasDuplicate = !support.detectDuplicates;
	sortInput = !support.sortStable && results.slice( 0 );
	results.sort( sortOrder );

	if ( hasDuplicate ) {
		while ( (elem = results[i++]) ) {
			if ( elem === results[ i ] ) {
				j = duplicates.push( i );
			}
		}
		while ( j-- ) {
			results.splice( duplicates[ j ], 1 );
		}
	}

	// Clear input after sorting to release objects
	// See https://github.com/jquery/sizzle/pull/225
	sortInput = null;

	return results;
};

/**
 * Utility function for retrieving the text value of an array of DOM nodes
 * @param {Array|Element} elem
 */
getText = Sizzle.getText = function( elem ) {
	var node,
		ret = "",
		i = 0,
		nodeType = elem.nodeType;

	if ( !nodeType ) {
		// If no nodeType, this is expected to be an array
		while ( (node = elem[i++]) ) {
			// Do not traverse comment nodes
			ret += getText( node );
		}
	} else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
		// Use textContent for elements
		// innerText usage removed for consistency of new lines (jQuery #11153)
		if ( typeof elem.textContent === "string" ) {
			return elem.textContent;
		} else {
			// Traverse its children
			for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
				ret += getText( elem );
			}
		}
	} else if ( nodeType === 3 || nodeType === 4 ) {
		return elem.nodeValue;
	}
	// Do not include comment or processing instruction nodes

	return ret;
};

Expr = Sizzle.selectors = {

	// Can be adjusted by the user
	cacheLength: 50,

	createPseudo: markFunction,

	match: matchExpr,

	attrHandle: {},

	find: {},

	relative: {
		">": { dir: "parentNode", first: true },
		" ": { dir: "parentNode" },
		"+": { dir: "previousSibling", first: true },
		"~": { dir: "previousSibling" }
	},

	preFilter: {
		"ATTR": function( match ) {
			match[1] = match[1].replace( runescape, funescape );

			// Move the given value to match[3] whether quoted or unquoted
			match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape );

			if ( match[2] === "~=" ) {
				match[3] = " " + match[3] + " ";
			}

			return match.slice( 0, 4 );
		},

		"CHILD": function( match ) {
			/* matches from matchExpr["CHILD"]
				1 type (only|nth|...)
				2 what (child|of-type)
				3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
				4 xn-component of xn+y argument ([+-]?\d*n|)
				5 sign of xn-component
				6 x of xn-component
				7 sign of y-component
				8 y of y-component
			*/
			match[1] = match[1].toLowerCase();

			if ( match[1].slice( 0, 3 ) === "nth" ) {
				// nth-* requires argument
				if ( !match[3] ) {
					Sizzle.error( match[0] );
				}

				// numeric x and y parameters for Expr.filter.CHILD
				// remember that false/true cast respectively to 0/1
				match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) );
				match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );

			// other types prohibit arguments
			} else if ( match[3] ) {
				Sizzle.error( match[0] );
			}

			return match;
		},

		"PSEUDO": function( match ) {
			var excess,
				unquoted = !match[6] && match[2];

			if ( matchExpr["CHILD"].test( match[0] ) ) {
				return null;
			}

			// Accept quoted arguments as-is
			if ( match[3] ) {
				match[2] = match[4] || match[5] || "";

			// Strip excess characters from unquoted arguments
			} else if ( unquoted && rpseudo.test( unquoted ) &&
				// Get excess from tokenize (recursively)
				(excess = tokenize( unquoted, true )) &&
				// advance to the next closing parenthesis
				(excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {

				// excess is a negative index
				match[0] = match[0].slice( 0, excess );
				match[2] = unquoted.slice( 0, excess );
			}

			// Return only captures needed by the pseudo filter method (type and argument)
			return match.slice( 0, 3 );
		}
	},

	filter: {

		"TAG": function( nodeNameSelector ) {
			var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
			return nodeNameSelector === "*" ?
				function() { return true; } :
				function( elem ) {
					return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
				};
		},

		"CLASS": function( className ) {
			var pattern = classCache[ className + " " ];

			return pattern ||
				(pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) &&
				classCache( className, function( elem ) {
					return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== "undefined" && elem.getAttribute("class") || "" );
				});
		},

		"ATTR": function( name, operator, check ) {
			return function( elem ) {
				var result = Sizzle.attr( elem, name );

				if ( result == null ) {
					return operator === "!=";
				}
				if ( !operator ) {
					return true;
				}

				result += "";

				return operator === "=" ? result === check :
					operator === "!=" ? result !== check :
					operator === "^=" ? check && result.indexOf( check ) === 0 :
					operator === "*=" ? check && result.indexOf( check ) > -1 :
					operator === "$=" ? check && result.slice( -check.length ) === check :
					operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 :
					operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
					false;
			};
		},

		"CHILD": function( type, what, argument, first, last ) {
			var simple = type.slice( 0, 3 ) !== "nth",
				forward = type.slice( -4 ) !== "last",
				ofType = what === "of-type";

			return first === 1 && last === 0 ?

				// Shortcut for :nth-*(n)
				function( elem ) {
					return !!elem.parentNode;
				} :

				function( elem, context, xml ) {
					var cache, uniqueCache, outerCache, node, nodeIndex, start,
						dir = simple !== forward ? "nextSibling" : "previousSibling",
						parent = elem.parentNode,
						name = ofType && elem.nodeName.toLowerCase(),
						useCache = !xml && !ofType,
						diff = false;

					if ( parent ) {

						// :(first|last|only)-(child|of-type)
						if ( simple ) {
							while ( dir ) {
								node = elem;
								while ( (node = node[ dir ]) ) {
									if ( ofType ?
										node.nodeName.toLowerCase() === name :
										node.nodeType === 1 ) {

										return false;
									}
								}
								// Reverse direction for :only-* (if we haven't yet done so)
								start = dir = type === "only" && !start && "nextSibling";
							}
							return true;
						}

						start = [ forward ? parent.firstChild : parent.lastChild ];

						// non-xml :nth-child(...) stores cache data on `parent`
						if ( forward && useCache ) {

							// Seek `elem` from a previously-cached index

							// ...in a gzip-friendly way
							node = parent;
							outerCache = node[ expando ] || (node[ expando ] = {});

							// Support: IE <9 only
							// Defend against cloned attroperties (jQuery gh-1709)
							uniqueCache = outerCache[ node.uniqueID ] ||
								(outerCache[ node.uniqueID ] = {});

							cache = uniqueCache[ type ] || [];
							nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
							diff = nodeIndex && cache[ 2 ];
							node = nodeIndex && parent.childNodes[ nodeIndex ];

							while ( (node = ++nodeIndex && node && node[ dir ] ||

								// Fallback to seeking `elem` from the start
								(diff = nodeIndex = 0) || start.pop()) ) {

								// When found, cache indexes on `parent` and break
								if ( node.nodeType === 1 && ++diff && node === elem ) {
									uniqueCache[ type ] = [ dirruns, nodeIndex, diff ];
									break;
								}
							}

						} else {
							// Use previously-cached element index if available
							if ( useCache ) {
								// ...in a gzip-friendly way
								node = elem;
								outerCache = node[ expando ] || (node[ expando ] = {});

								// Support: IE <9 only
								// Defend against cloned attroperties (jQuery gh-1709)
								uniqueCache = outerCache[ node.uniqueID ] ||
									(outerCache[ node.uniqueID ] = {});

								cache = uniqueCache[ type ] || [];
								nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
								diff = nodeIndex;
							}

							// xml :nth-child(...)
							// or :nth-last-child(...) or :nth(-last)?-of-type(...)
							if ( diff === false ) {
								// Use the same loop as above to seek `elem` from the start
								while ( (node = ++nodeIndex && node && node[ dir ] ||
									(diff = nodeIndex = 0) || start.pop()) ) {

									if ( ( ofType ?
										node.nodeName.toLowerCase() === name :
										node.nodeType === 1 ) &&
										++diff ) {

										// Cache the index of each encountered element
										if ( useCache ) {
											outerCache = node[ expando ] || (node[ expando ] = {});

											// Support: IE <9 only
											// Defend against cloned attroperties (jQuery gh-1709)
											uniqueCache = outerCache[ node.uniqueID ] ||
												(outerCache[ node.uniqueID ] = {});

											uniqueCache[ type ] = [ dirruns, diff ];
										}

										if ( node === elem ) {
											break;
										}
									}
								}
							}
						}

						// Incorporate the offset, then check against cycle size
						diff -= last;
						return diff === first || ( diff % first === 0 && diff / first >= 0 );
					}
				};
		},

		"PSEUDO": function( pseudo, argument ) {
			// pseudo-class names are case-insensitive
			// http://www.w3.org/TR/selectors/#pseudo-classes
			// Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
			// Remember that setFilters inherits from pseudos
			var args,
				fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
					Sizzle.error( "unsupported pseudo: " + pseudo );

			// The user may use createPseudo to indicate that
			// arguments are needed to create the filter function
			// just as Sizzle does
			if ( fn[ expando ] ) {
				return fn( argument );
			}

			// But maintain support for old signatures
			if ( fn.length > 1 ) {
				args = [ pseudo, pseudo, "", argument ];
				return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
					markFunction(function( seed, matches ) {
						var idx,
							matched = fn( seed, argument ),
							i = matched.length;
						while ( i-- ) {
							idx = indexOf( seed, matched[i] );
							seed[ idx ] = !( matches[ idx ] = matched[i] );
						}
					}) :
					function( elem ) {
						return fn( elem, 0, args );
					};
			}

			return fn;
		}
	},

	pseudos: {
		// Potentially complex pseudos
		"not": markFunction(function( selector ) {
			// Trim the selector passed to compile
			// to avoid treating leading and trailing
			// spaces as combinators
			var input = [],
				results = [],
				matcher = compile( selector.replace( rtrim, "$1" ) );

			return matcher[ expando ] ?
				markFunction(function( seed, matches, context, xml ) {
					var elem,
						unmatched = matcher( seed, null, xml, [] ),
						i = seed.length;

					// Match elements unmatched by `matcher`
					while ( i-- ) {
						if ( (elem = unmatched[i]) ) {
							seed[i] = !(matches[i] = elem);
						}
					}
				}) :
				function( elem, context, xml ) {
					input[0] = elem;
					matcher( input, null, xml, results );
					// Don't keep the element (issue #299)
					input[0] = null;
					return !results.pop();
				};
		}),

		"has": markFunction(function( selector ) {
			return function( elem ) {
				return Sizzle( selector, elem ).length > 0;
			};
		}),

		"contains": markFunction(function( text ) {
			text = text.replace( runescape, funescape );
			return function( elem ) {
				return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1;
			};
		}),

		// "Whether an element is represented by a :lang() selector
		// is based solely on the element's language value
		// being equal to the identifier C,
		// or beginning with the identifier C immediately followed by "-".
		// The matching of C against the element's language value is performed case-insensitively.
		// The identifier C does not have to be a valid language name."
		// http://www.w3.org/TR/selectors/#lang-pseudo
		"lang": markFunction( function( lang ) {
			// lang value must be a valid identifier
			if ( !ridentifier.test(lang || "") ) {
				Sizzle.error( "unsupported lang: " + lang );
			}
			lang = lang.replace( runescape, funescape ).toLowerCase();
			return function( elem ) {
				var elemLang;
				do {
					if ( (elemLang = documentIsHTML ?
						elem.lang :
						elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) {

						elemLang = elemLang.toLowerCase();
						return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
					}
				} while ( (elem = elem.parentNode) && elem.nodeType === 1 );
				return false;
			};
		}),

		// Miscellaneous
		"target": function( elem ) {
			var hash = window.location && window.location.hash;
			return hash && hash.slice( 1 ) === elem.id;
		},

		"root": function( elem ) {
			return elem === docElem;
		},

		"focus": function( elem ) {
			return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
		},

		// Boolean properties
		"enabled": createDisabledPseudo( false ),
		"disabled": createDisabledPseudo( true ),

		"checked": function( elem ) {
			// In CSS3, :checked should return both checked and selected elements
			// http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
			var nodeName = elem.nodeName.toLowerCase();
			return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected);
		},

		"selected": function( elem ) {
			// Accessing this property makes selected-by-default
			// options in Safari work properly
			if ( elem.parentNode ) {
				elem.parentNode.selectedIndex;
			}

			return elem.selected === true;
		},

		// Contents
		"empty": function( elem ) {
			// http://www.w3.org/TR/selectors/#empty-pseudo
			// :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
			//   but not by others (comment: 8; processing instruction: 7; etc.)
			// nodeType < 6 works because attributes (2) do not appear as children
			for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
				if ( elem.nodeType < 6 ) {
					return false;
				}
			}
			return true;
		},

		"parent": function( elem ) {
			return !Expr.pseudos["empty"]( elem );
		},

		// Element/input types
		"header": function( elem ) {
			return rheader.test( elem.nodeName );
		},

		"input": function( elem ) {
			return rinputs.test( elem.nodeName );
		},

		"button": function( elem ) {
			var name = elem.nodeName.toLowerCase();
			return name === "input" && elem.type === "button" || name === "button";
		},

		"text": function( elem ) {
			var attr;
			return elem.nodeName.toLowerCase() === "input" &&
				elem.type === "text" &&

				// Support: IE<8
				// New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
				( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" );
		},

		// Position-in-collection
		"first": createPositionalPseudo(function() {
			return [ 0 ];
		}),

		"last": createPositionalPseudo(function( matchIndexes, length ) {
			return [ length - 1 ];
		}),

		"eq": createPositionalPseudo(function( matchIndexes, length, argument ) {
			return [ argument < 0 ? argument + length : argument ];
		}),

		"even": createPositionalPseudo(function( matchIndexes, length ) {
			var i = 0;
			for ( ; i < length; i += 2 ) {
				matchIndexes.push( i );
			}
			return matchIndexes;
		}),

		"odd": createPositionalPseudo(function( matchIndexes, length ) {
			var i = 1;
			for ( ; i < length; i += 2 ) {
				matchIndexes.push( i );
			}
			return matchIndexes;
		}),

		"lt": createPositionalPseudo(function( matchIndexes, length, argument ) {
			var i = argument < 0 ? argument + length : argument;
			for ( ; --i >= 0; ) {
				matchIndexes.push( i );
			}
			return matchIndexes;
		}),

		"gt": createPositionalPseudo(function( matchIndexes, length, argument ) {
			var i = argument < 0 ? argument + length : argument;
			for ( ; ++i < length; ) {
				matchIndexes.push( i );
			}
			return matchIndexes;
		})
	}
};

Expr.pseudos["nth"] = Expr.pseudos["eq"];

// Add button/input type pseudos
for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
	Expr.pseudos[ i ] = createInputPseudo( i );
}
for ( i in { submit: true, reset: true } ) {
	Expr.pseudos[ i ] = createButtonPseudo( i );
}

// Easy API for creating new setFilters
function setFilters() {}
setFilters.prototype = Expr.filters = Expr.pseudos;
Expr.setFilters = new setFilters();

tokenize = Sizzle.tokenize = function( selector, parseOnly ) {
	var matched, match, tokens, type,
		soFar, groups, preFilters,
		cached = tokenCache[ selector + " " ];

	if ( cached ) {
		return parseOnly ? 0 : cached.slice( 0 );
	}

	soFar = selector;
	groups = [];
	preFilters = Expr.preFilter;

	while ( soFar ) {

		// Comma and first run
		if ( !matched || (match = rcomma.exec( soFar )) ) {
			if ( match ) {
				// Don't consume trailing commas as valid
				soFar = soFar.slice( match[0].length ) || soFar;
			}
			groups.push( (tokens = []) );
		}

		matched = false;

		// Combinators
		if ( (match = rcombinators.exec( soFar )) ) {
			matched = match.shift();
			tokens.push({
				value: matched,
				// Cast descendant combinators to space
				type: match[0].replace( rtrim, " " )
			});
			soFar = soFar.slice( matched.length );
		}

		// Filters
		for ( type in Expr.filter ) {
			if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||
				(match = preFilters[ type ]( match ))) ) {
				matched = match.shift();
				tokens.push({
					value: matched,
					type: type,
					matches: match
				});
				soFar = soFar.slice( matched.length );
			}
		}

		if ( !matched ) {
			break;
		}
	}

	// Return the length of the invalid excess
	// if we're just parsing
	// Otherwise, throw an error or return tokens
	return parseOnly ?
		soFar.length :
		soFar ?
			Sizzle.error( selector ) :
			// Cache the tokens
			tokenCache( selector, groups ).slice( 0 );
};

function toSelector( tokens ) {
	var i = 0,
		len = tokens.length,
		selector = "";
	for ( ; i < len; i++ ) {
		selector += tokens[i].value;
	}
	return selector;
}

function addCombinator( matcher, combinator, base ) {
	var dir = combinator.dir,
		skip = combinator.next,
		key = skip || dir,
		checkNonElements = base && key === "parentNode",
		doneName = done++;

	return combinator.first ?
		// Check against closest ancestor/preceding element
		function( elem, context, xml ) {
			while ( (elem = elem[ dir ]) ) {
				if ( elem.nodeType === 1 || checkNonElements ) {
					return matcher( elem, context, xml );
				}
			}
			return false;
		} :

		// Check against all ancestor/preceding elements
		function( elem, context, xml ) {
			var oldCache, uniqueCache, outerCache,
				newCache = [ dirruns, doneName ];

			// We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching
			if ( xml ) {
				while ( (elem = elem[ dir ]) ) {
					if ( elem.nodeType === 1 || checkNonElements ) {
						if ( matcher( elem, context, xml ) ) {
							return true;
						}
					}
				}
			} else {
				while ( (elem = elem[ dir ]) ) {
					if ( elem.nodeType === 1 || checkNonElements ) {
						outerCache = elem[ expando ] || (elem[ expando ] = {});

						// Support: IE <9 only
						// Defend against cloned attroperties (jQuery gh-1709)
						uniqueCache = outerCache[ elem.uniqueID ] || (outerCache[ elem.uniqueID ] = {});

						if ( skip && skip === elem.nodeName.toLowerCase() ) {
							elem = elem[ dir ] || elem;
						} else if ( (oldCache = uniqueCache[ key ]) &&
							oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {

							// Assign to newCache so results back-propagate to previous elements
							return (newCache[ 2 ] = oldCache[ 2 ]);
						} else {
							// Reuse newcache so results back-propagate to previous elements
							uniqueCache[ key ] = newCache;

							// A match means we're done; a fail means we have to keep checking
							if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) {
								return true;
							}
						}
					}
				}
			}
			return false;
		};
}

function elementMatcher( matchers ) {
	return matchers.length > 1 ?
		function( elem, context, xml ) {
			var i = matchers.length;
			while ( i-- ) {
				if ( !matchers[i]( elem, context, xml ) ) {
					return false;
				}
			}
			return true;
		} :
		matchers[0];
}

function multipleContexts( selector, contexts, results ) {
	var i = 0,
		len = contexts.length;
	for ( ; i < len; i++ ) {
		Sizzle( selector, contexts[i], results );
	}
	return results;
}

function condense( unmatched, map, filter, context, xml ) {
	var elem,
		newUnmatched = [],
		i = 0,
		len = unmatched.length,
		mapped = map != null;

	for ( ; i < len; i++ ) {
		if ( (elem = unmatched[i]) ) {
			if ( !filter || filter( elem, context, xml ) ) {
				newUnmatched.push( elem );
				if ( mapped ) {
					map.push( i );
				}
			}
		}
	}

	return newUnmatched;
}

function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
	if ( postFilter && !postFilter[ expando ] ) {
		postFilter = setMatcher( postFilter );
	}
	if ( postFinder && !postFinder[ expando ] ) {
		postFinder = setMatcher( postFinder, postSelector );
	}
	return markFunction(function( seed, results, context, xml ) {
		var temp, i, elem,
			preMap = [],
			postMap = [],
			preexisting = results.length,

			// Get initial elements from seed or context
			elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),

			// Prefilter to get matcher input, preserving a map for seed-results synchronization
			matcherIn = preFilter && ( seed || !selector ) ?
				condense( elems, preMap, preFilter, context, xml ) :
				elems,

			matcherOut = matcher ?
				// If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
				postFinder || ( seed ? preFilter : preexisting || postFilter ) ?

					// ...intermediate processing is necessary
					[] :

					// ...otherwise use results directly
					results :
				matcherIn;

		// Find primary matches
		if ( matcher ) {
			matcher( matcherIn, matcherOut, context, xml );
		}

		// Apply postFilter
		if ( postFilter ) {
			temp = condense( matcherOut, postMap );
			postFilter( temp, [], context, xml );

			// Un-match failing elements by moving them back to matcherIn
			i = temp.length;
			while ( i-- ) {
				if ( (elem = temp[i]) ) {
					matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem);
				}
			}
		}

		if ( seed ) {
			if ( postFinder || preFilter ) {
				if ( postFinder ) {
					// Get the final matcherOut by condensing this intermediate into postFinder contexts
					temp = [];
					i = matcherOut.length;
					while ( i-- ) {
						if ( (elem = matcherOut[i]) ) {
							// Restore matcherIn since elem is not yet a final match
							temp.push( (matcherIn[i] = elem) );
						}
					}
					postFinder( null, (matcherOut = []), temp, xml );
				}

				// Move matched elements from seed to results to keep them synchronized
				i = matcherOut.length;
				while ( i-- ) {
					if ( (elem = matcherOut[i]) &&
						(temp = postFinder ? indexOf( seed, elem ) : preMap[i]) > -1 ) {

						seed[temp] = !(results[temp] = elem);
					}
				}
			}

		// Add elements to results, through postFinder if defined
		} else {
			matcherOut = condense(
				matcherOut === results ?
					matcherOut.splice( preexisting, matcherOut.length ) :
					matcherOut
			);
			if ( postFinder ) {
				postFinder( null, results, matcherOut, xml );
			} else {
				push.apply( results, matcherOut );
			}
		}
	});
}

function matcherFromTokens( tokens ) {
	var checkContext, matcher, j,
		len = tokens.length,
		leadingRelative = Expr.relative[ tokens[0].type ],
		implicitRelative = leadingRelative || Expr.relative[" "],
		i = leadingRelative ? 1 : 0,

		// The foundational matcher ensures that elements are reachable from top-level context(s)
		matchContext = addCombinator( function( elem ) {
			return elem === checkContext;
		}, implicitRelative, true ),
		matchAnyContext = addCombinator( function( elem ) {
			return indexOf( checkContext, elem ) > -1;
		}, implicitRelative, true ),
		matchers = [ function( elem, context, xml ) {
			var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
				(checkContext = context).nodeType ?
					matchContext( elem, context, xml ) :
					matchAnyContext( elem, context, xml ) );
			// Avoid hanging onto element (issue #299)
			checkContext = null;
			return ret;
		} ];

	for ( ; i < len; i++ ) {
		if ( (matcher = Expr.relative[ tokens[i].type ]) ) {
			matchers = [ addCombinator(elementMatcher( matchers ), matcher) ];
		} else {
			matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );

			// Return special upon seeing a positional matcher
			if ( matcher[ expando ] ) {
				// Find the next relative operator (if any) for proper handling
				j = ++i;
				for ( ; j < len; j++ ) {
					if ( Expr.relative[ tokens[j].type ] ) {
						break;
					}
				}
				return setMatcher(
					i > 1 && elementMatcher( matchers ),
					i > 1 && toSelector(
						// If the preceding token was a descendant combinator, insert an implicit any-element `*`
						tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" })
					).replace( rtrim, "$1" ),
					matcher,
					i < j && matcherFromTokens( tokens.slice( i, j ) ),
					j < len && matcherFromTokens( (tokens = tokens.slice( j )) ),
					j < len && toSelector( tokens )
				);
			}
			matchers.push( matcher );
		}
	}

	return elementMatcher( matchers );
}

function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
	var bySet = setMatchers.length > 0,
		byElement = elementMatchers.length > 0,
		superMatcher = function( seed, context, xml, results, outermost ) {
			var elem, j, matcher,
				matchedCount = 0,
				i = "0",
				unmatched = seed && [],
				setMatched = [],
				contextBackup = outermostContext,
				// We must always have either seed elements or outermost context
				elems = seed || byElement && Expr.find["TAG"]( "*", outermost ),
				// Use integer dirruns iff this is the outermost matcher
				dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1),
				len = elems.length;

			if ( outermost ) {
				outermostContext = context === document || context || outermost;
			}

			// Add elements passing elementMatchers directly to results
			// Support: IE<9, Safari
			// Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id
			for ( ; i !== len && (elem = elems[i]) != null; i++ ) {
				if ( byElement && elem ) {
					j = 0;
					if ( !context && elem.ownerDocument !== document ) {
						setDocument( elem );
						xml = !documentIsHTML;
					}
					while ( (matcher = elementMatchers[j++]) ) {
						if ( matcher( elem, context || document, xml) ) {
							results.push( elem );
							break;
						}
					}
					if ( outermost ) {
						dirruns = dirrunsUnique;
					}
				}

				// Track unmatched elements for set filters
				if ( bySet ) {
					// They will have gone through all possible matchers
					if ( (elem = !matcher && elem) ) {
						matchedCount--;
					}

					// Lengthen the array for every element, matched or not
					if ( seed ) {
						unmatched.push( elem );
					}
				}
			}

			// `i` is now the count of elements visited above, and adding it to `matchedCount`
			// makes the latter nonnegative.
			matchedCount += i;

			// Apply set filters to unmatched elements
			// NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount`
			// equals `i`), unless we didn't visit _any_ elements in the above loop because we have
			// no element matchers and no seed.
			// Incrementing an initially-string "0" `i` allows `i` to remain a string only in that
			// case, which will result in a "00" `matchedCount` that differs from `i` but is also
			// numerically zero.
			if ( bySet && i !== matchedCount ) {
				j = 0;
				while ( (matcher = setMatchers[j++]) ) {
					matcher( unmatched, setMatched, context, xml );
				}

				if ( seed ) {
					// Reintegrate element matches to eliminate the need for sorting
					if ( matchedCount > 0 ) {
						while ( i-- ) {
							if ( !(unmatched[i] || setMatched[i]) ) {
								setMatched[i] = pop.call( results );
							}
						}
					}

					// Discard index placeholder values to get only actual matches
					setMatched = condense( setMatched );
				}

				// Add matches to results
				push.apply( results, setMatched );

				// Seedless set matches succeeding multiple successful matchers stipulate sorting
				if ( outermost && !seed && setMatched.length > 0 &&
					( matchedCount + setMatchers.length ) > 1 ) {

					Sizzle.uniqueSort( results );
				}
			}

			// Override manipulation of globals by nested matchers
			if ( outermost ) {
				dirruns = dirrunsUnique;
				outermostContext = contextBackup;
			}

			return unmatched;
		};

	return bySet ?
		markFunction( superMatcher ) :
		superMatcher;
}

compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {
	var i,
		setMatchers = [],
		elementMatchers = [],
		cached = compilerCache[ selector + " " ];

	if ( !cached ) {
		// Generate a function of recursive functions that can be used to check each element
		if ( !match ) {
			match = tokenize( selector );
		}
		i = match.length;
		while ( i-- ) {
			cached = matcherFromTokens( match[i] );
			if ( cached[ expando ] ) {
				setMatchers.push( cached );
			} else {
				elementMatchers.push( cached );
			}
		}

		// Cache the compiled function
		cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );

		// Save selector and tokenization
		cached.selector = selector;
	}
	return cached;
};

/**
 * A low-level selection function that works with Sizzle's compiled
 *  selector functions
 * @param {String|Function} selector A selector or a pre-compiled
 *  selector function built with Sizzle.compile
 * @param {Element} context
 * @param {Array} [results]
 * @param {Array} [seed] A set of elements to match against
 */
select = Sizzle.select = function( selector, context, results, seed ) {
	var i, tokens, token, type, find,
		compiled = typeof selector === "function" && selector,
		match = !seed && tokenize( (selector = compiled.selector || selector) );

	results = results || [];

	// Try to minimize operations if there is only one selector in the list and no seed
	// (the latter of which guarantees us context)
	if ( match.length === 1 ) {

		// Reduce context if the leading compound selector is an ID
		tokens = match[0] = match[0].slice( 0 );
		if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
				context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[1].type ] ) {

			context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0];
			if ( !context ) {
				return results;

			// Precompiled matchers will still verify ancestry, so step up a level
			} else if ( compiled ) {
				context = context.parentNode;
			}

			selector = selector.slice( tokens.shift().value.length );
		}

		// Fetch a seed set for right-to-left matching
		i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length;
		while ( i-- ) {
			token = tokens[i];

			// Abort if we hit a combinator
			if ( Expr.relative[ (type = token.type) ] ) {
				break;
			}
			if ( (find = Expr.find[ type ]) ) {
				// Search, expanding context for leading sibling combinators
				if ( (seed = find(
					token.matches[0].replace( runescape, funescape ),
					rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context
				)) ) {

					// If seed is empty or no tokens remain, we can return early
					tokens.splice( i, 1 );
					selector = seed.length && toSelector( tokens );
					if ( !selector ) {
						push.apply( results, seed );
						return results;
					}

					break;
				}
			}
		}
	}

	// Compile and execute a filtering function if one is not provided
	// Provide `match` to avoid retokenization if we modified the selector above
	( compiled || compile( selector, match ) )(
		seed,
		context,
		!documentIsHTML,
		results,
		!context || rsibling.test( selector ) && testContext( context.parentNode ) || context
	);
	return results;
};

// One-time assignments

// Sort stability
support.sortStable = expando.split("").sort( sortOrder ).join("") === expando;

// Support: Chrome 14-35+
// Always assume duplicates if they aren't passed to the comparison function
support.detectDuplicates = !!hasDuplicate;

// Initialize against the default document
setDocument();

// Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
// Detached nodes confoundingly follow *each other*
support.sortDetached = assert(function( el ) {
	// Should return 1, but returns 4 (following)
	return el.compareDocumentPosition( document.createElement("fieldset") ) & 1;
});

// Support: IE<8
// Prevent attribute/property "interpolation"
// https://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
if ( !assert(function( el ) {
	el.innerHTML = "<a href='#'></a>";
	return el.firstChild.getAttribute("href") === "#" ;
}) ) {
	addHandle( "type|href|height|width", function( elem, name, isXML ) {
		if ( !isXML ) {
			return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
		}
	});
}

// Support: IE<9
// Use defaultValue in place of getAttribute("value")
if ( !support.attributes || !assert(function( el ) {
	el.innerHTML = "<input/>";
	el.firstChild.setAttribute( "value", "" );
	return el.firstChild.getAttribute( "value" ) === "";
}) ) {
	addHandle( "value", function( elem, name, isXML ) {
		if ( !isXML && elem.nodeName.toLowerCase() === "input" ) {
			return elem.defaultValue;
		}
	});
}

// Support: IE<9
// Use getAttributeNode to fetch booleans when getAttribute lies
if ( !assert(function( el ) {
	return el.getAttribute("disabled") == null;
}) ) {
	addHandle( booleans, function( elem, name, isXML ) {
		var val;
		if ( !isXML ) {
			return elem[ name ] === true ? name.toLowerCase() :
					(val = elem.getAttributeNode( name )) && val.specified ?
					val.value :
				null;
		}
	});
}

// EXPOSE
var _sizzle = window.Sizzle;

Sizzle.noConflict = function() {
	if ( window.Sizzle === Sizzle ) {
		window.Sizzle = _sizzle;
	}

	return Sizzle;
};

if ( true ) {
	!(__WEBPACK_AMD_DEFINE_RESULT__ = (function() { return Sizzle; }).call(exports, __webpack_require__, exports, module),
				__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
// Sizzle requires that there be a global window in Common-JS like environments
} else {}
// EXPOSE

})( window );


/***/ }),

/***/ "./node_modules/snabbdom/dist/snabbdom-attributes.js":
/*!***********************************************************!*\
  !*** ./node_modules/snabbdom/dist/snabbdom-attributes.js ***!
  \***********************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var require;var require;(function(f){if(true){module.exports=f()}else { var g; }})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return require(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var booleanAttrs = ["allowfullscreen", "async", "autofocus", "autoplay", "checked", "compact", "controls", "declare",
    "default", "defaultchecked", "defaultmuted", "defaultselected", "defer", "disabled", "draggable",
    "enabled", "formnovalidate", "hidden", "indeterminate", "inert", "ismap", "itemscope", "loop", "multiple",
    "muted", "nohref", "noresize", "noshade", "novalidate", "nowrap", "open", "pauseonexit", "readonly",
    "required", "reversed", "scoped", "seamless", "selected", "sortable", "spellcheck", "translate",
    "truespeed", "typemustmatch", "visible"];
var xlinkNS = 'http://www.w3.org/1999/xlink';
var xmlNS = 'http://www.w3.org/XML/1998/namespace';
var colonChar = 58;
var xChar = 120;
var booleanAttrsDict = Object.create(null);
for (var i = 0, len = booleanAttrs.length; i < len; i++) {
    booleanAttrsDict[booleanAttrs[i]] = true;
}
function updateAttrs(oldVnode, vnode) {
    var key, elm = vnode.elm, oldAttrs = oldVnode.data.attrs, attrs = vnode.data.attrs;
    if (!oldAttrs && !attrs)
        return;
    if (oldAttrs === attrs)
        return;
    oldAttrs = oldAttrs || {};
    attrs = attrs || {};
    // update modified attributes, add new attributes
    for (key in attrs) {
        var cur = attrs[key];
        var old = oldAttrs[key];
        if (old !== cur) {
            if (booleanAttrsDict[key]) {
                if (cur) {
                    elm.setAttribute(key, "");
                }
                else {
                    elm.removeAttribute(key);
                }
            }
            else {
                if (key.charCodeAt(0) !== xChar) {
                    elm.setAttribute(key, cur);
                }
                else if (key.charCodeAt(3) === colonChar) {
                    // Assume xml namespace
                    elm.setAttributeNS(xmlNS, key, cur);
                }
                else if (key.charCodeAt(5) === colonChar) {
                    // Assume xlink namespace
                    elm.setAttributeNS(xlinkNS, key, cur);
                }
                else {
                    elm.setAttribute(key, cur);
                }
            }
        }
    }
    // remove removed attributes
    // use `in` operator since the previous `for` iteration uses it (.i.e. add even attributes with undefined value)
    // the other option is to remove all attributes with value == undefined
    for (key in oldAttrs) {
        if (!(key in attrs)) {
            elm.removeAttribute(key);
        }
    }
}
exports.attributesModule = { create: updateAttrs, update: updateAttrs };
exports.default = exports.attributesModule;

},{}]},{},[1])(1)
});
//# sourceMappingURL=data:application/json;charset=utf-8;base64,[encoded data, 5220 characters]


/***/ }),

/***/ "./node_modules/snabbdom/dist/snabbdom-class.js":
/*!******************************************************!*\
  !*** ./node_modules/snabbdom/dist/snabbdom-class.js ***!
  \******************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var require;var require;(function(f){if(true){module.exports=f()}else { var g; }})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return require(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
function updateClass(oldVnode, vnode) {
    var cur, name, elm = vnode.elm, oldClass = oldVnode.data.class, klass = vnode.data.class;
    if (!oldClass && !klass)
        return;
    if (oldClass === klass)
        return;
    oldClass = oldClass || {};
    klass = klass || {};
    for (name in oldClass) {
        if (!klass[name]) {
            elm.classList.remove(name);
        }
    }
    for (name in klass) {
        cur = klass[name];
        if (cur !== oldClass[name]) {
            elm.classList[cur ? 'add' : 'remove'](name);
        }
    }
}
exports.classModule = { create: updateClass, update: updateClass };
exports.default = exports.classModule;

},{}]},{},[1])(1)
});
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/***/ }),

/***/ "./node_modules/snabbdom/dist/snabbdom-dataset.js":
/*!********************************************************!*\
  !*** ./node_modules/snabbdom/dist/snabbdom-dataset.js ***!
  \********************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var require;var require;(function(f){if(true){module.exports=f()}else { var g; }})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return require(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var CAPS_REGEX = /[A-Z]/g;
function updateDataset(oldVnode, vnode) {
    var elm = vnode.elm, oldDataset = oldVnode.data.dataset, dataset = vnode.data.dataset, key;
    if (!oldDataset && !dataset)
        return;
    if (oldDataset === dataset)
        return;
    oldDataset = oldDataset || {};
    dataset = dataset || {};
    var d = elm.dataset;
    for (key in oldDataset) {
        if (!dataset[key]) {
            if (d) {
                if (key in d) {
                    delete d[key];
                }
            }
            else {
                elm.removeAttribute('data-' + key.replace(CAPS_REGEX, '-$&').toLowerCase());
            }
        }
    }
    for (key in dataset) {
        if (oldDataset[key] !== dataset[key]) {
            if (d) {
                d[key] = dataset[key];
            }
            else {
                elm.setAttribute('data-' + key.replace(CAPS_REGEX, '-$&').toLowerCase(), dataset[key]);
            }
        }
    }
}
exports.datasetModule = { create: updateDataset, update: updateDataset };
exports.default = exports.datasetModule;

},{}]},{},[1])(1)
});
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/***/ }),

/***/ "./node_modules/snabbdom/dist/snabbdom-props.js":
/*!******************************************************!*\
  !*** ./node_modules/snabbdom/dist/snabbdom-props.js ***!
  \******************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var require;var require;(function(f){if(true){module.exports=f()}else { var g; }})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return require(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
function updateProps(oldVnode, vnode) {
    var key, cur, old, elm = vnode.elm, oldProps = oldVnode.data.props, props = vnode.data.props;
    if (!oldProps && !props)
        return;
    if (oldProps === props)
        return;
    oldProps = oldProps || {};
    props = props || {};
    for (key in oldProps) {
        if (!props[key]) {
            delete elm[key];
        }
    }
    for (key in props) {
        cur = props[key];
        old = oldProps[key];
        if (old !== cur && (key !== 'value' || elm[key] !== cur)) {
            elm[key] = cur;
        }
    }
}
exports.propsModule = { create: updateProps, update: updateProps };
exports.default = exports.propsModule;

},{}]},{},[1])(1)
});
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/***/ }),

/***/ "./node_modules/snabbdom/dist/snabbdom-style.js":
/*!******************************************************!*\
  !*** ./node_modules/snabbdom/dist/snabbdom-style.js ***!
  \******************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var require;var require;(function(f){if(true){module.exports=f()}else { var g; }})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return require(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var raf = (typeof window !== 'undefined' && window.requestAnimationFrame) || setTimeout;
var nextFrame = function (fn) { raf(function () { raf(fn); }); };
function setNextFrame(obj, prop, val) {
    nextFrame(function () { obj[prop] = val; });
}
function updateStyle(oldVnode, vnode) {
    var cur, name, elm = vnode.elm, oldStyle = oldVnode.data.style, style = vnode.data.style;
    if (!oldStyle && !style)
        return;
    if (oldStyle === style)
        return;
    oldStyle = oldStyle || {};
    style = style || {};
    var oldHasDel = 'delayed' in oldStyle;
    for (name in oldStyle) {
        if (!style[name]) {
            if (name[0] === '-' && name[1] === '-') {
                elm.style.removeProperty(name);
            }
            else {
                elm.style[name] = '';
            }
        }
    }
    for (name in style) {
        cur = style[name];
        if (name === 'delayed' && style.delayed) {
            for (var name2 in style.delayed) {
                cur = style.delayed[name2];
                if (!oldHasDel || cur !== oldStyle.delayed[name2]) {
                    setNextFrame(elm.style, name2, cur);
                }
            }
        }
        else if (name !== 'remove' && cur !== oldStyle[name]) {
            if (name[0] === '-' && name[1] === '-') {
                elm.style.setProperty(name, cur);
            }
            else {
                elm.style[name] = cur;
            }
        }
    }
}
function applyDestroyStyle(vnode) {
    var style, name, elm = vnode.elm, s = vnode.data.style;
    if (!s || !(style = s.destroy))
        return;
    for (name in style) {
        elm.style[name] = style[name];
    }
}
function applyRemoveStyle(vnode, rm) {
    var s = vnode.data.style;
    if (!s || !s.remove) {
        rm();
        return;
    }
    var name, elm = vnode.elm, i = 0, compStyle, style = s.remove, amount = 0, applied = [];
    for (name in style) {
        applied.push(name);
        elm.style[name] = style[name];
    }
    compStyle = getComputedStyle(elm);
    var props = compStyle['transition-property'].split(', ');
    for (; i < props.length; ++i) {
        if (applied.indexOf(props[i]) !== -1)
            amount++;
    }
    elm.addEventListener('transitionend', function (ev) {
        if (ev.target === elm)
            --amount;
        if (amount === 0)
            rm();
    });
}
exports.styleModule = {
    create: updateStyle,
    update: updateStyle,
    destroy: applyDestroyStyle,
    remove: applyRemoveStyle
};
exports.default = exports.styleModule;

},{}]},{},[1])(1)
});
//# sourceMappingURL=data:application/json;charset=utf-8;base64,[encoded data, 5160 characters]


/***/ }),

/***/ "./node_modules/snabbdom/dist/snabbdom.js":
/*!************************************************!*\
  !*** ./node_modules/snabbdom/dist/snabbdom.js ***!
  \************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var require;var require;(function(f){if(true){module.exports=f()}else { var g; }})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return require(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var vnode_1 = require("./vnode");
var is = require("./is");
function addNS(data, children, sel) {
    data.ns = 'http://www.w3.org/2000/svg';
    if (sel !== 'foreignObject' && children !== undefined) {
        for (var i = 0; i < children.length; ++i) {
            var childData = children[i].data;
            if (childData !== undefined) {
                addNS(childData, children[i].children, children[i].sel);
            }
        }
    }
}
function h(sel, b, c) {
    var data = {}, children, text, i;
    if (c !== undefined) {
        data = b;
        if (is.array(c)) {
            children = c;
        }
        else if (is.primitive(c)) {
            text = c;
        }
        else if (c && c.sel) {
            children = [c];
        }
    }
    else if (b !== undefined) {
        if (is.array(b)) {
            children = b;
        }
        else if (is.primitive(b)) {
            text = b;
        }
        else if (b && b.sel) {
            children = [b];
        }
        else {
            data = b;
        }
    }
    if (is.array(children)) {
        for (i = 0; i < children.length; ++i) {
            if (is.primitive(children[i]))
                children[i] = vnode_1.vnode(undefined, undefined, undefined, children[i]);
        }
    }
    if (sel[0] === 's' && sel[1] === 'v' && sel[2] === 'g' &&
        (sel.length === 3 || sel[3] === '.' || sel[3] === '#')) {
        addNS(data, children, sel);
    }
    return vnode_1.vnode(sel, data, children, text, undefined);
}
exports.h = h;
;
exports.default = h;

},{"./is":3,"./vnode":6}],2:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
function createElement(tagName) {
    return document.createElement(tagName);
}
function createElementNS(namespaceURI, qualifiedName) {
    return document.createElementNS(namespaceURI, qualifiedName);
}
function createTextNode(text) {
    return document.createTextNode(text);
}
function createComment(text) {
    return document.createComment(text);
}
function insertBefore(parentNode, newNode, referenceNode) {
    parentNode.insertBefore(newNode, referenceNode);
}
function removeChild(node, child) {
    node.removeChild(child);
}
function appendChild(node, child) {
    node.appendChild(child);
}
function parentNode(node) {
    return node.parentNode;
}
function nextSibling(node) {
    return node.nextSibling;
}
function tagName(elm) {
    return elm.tagName;
}
function setTextContent(node, text) {
    node.textContent = text;
}
function getTextContent(node) {
    return node.textContent;
}
function isElement(node) {
    return node.nodeType === 1;
}
function isText(node) {
    return node.nodeType === 3;
}
function isComment(node) {
    return node.nodeType === 8;
}
exports.htmlDomApi = {
    createElement: createElement,
    createElementNS: createElementNS,
    createTextNode: createTextNode,
    createComment: createComment,
    insertBefore: insertBefore,
    removeChild: removeChild,
    appendChild: appendChild,
    parentNode: parentNode,
    nextSibling: nextSibling,
    tagName: tagName,
    setTextContent: setTextContent,
    getTextContent: getTextContent,
    isElement: isElement,
    isText: isText,
    isComment: isComment,
};
exports.default = exports.htmlDomApi;

},{}],3:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.array = Array.isArray;
function primitive(s) {
    return typeof s === 'string' || typeof s === 'number';
}
exports.primitive = primitive;

},{}],4:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var vnode_1 = require("./vnode");
var is = require("./is");
var htmldomapi_1 = require("./htmldomapi");
function isUndef(s) { return s === undefined; }
function isDef(s) { return s !== undefined; }
var emptyNode = vnode_1.default('', {}, [], undefined, undefined);
function sameVnode(vnode1, vnode2) {
    return vnode1.key === vnode2.key && vnode1.sel === vnode2.sel;
}
function isVnode(vnode) {
    return vnode.sel !== undefined;
}
function createKeyToOldIdx(children, beginIdx, endIdx) {
    var i, map = {}, key, ch;
    for (i = beginIdx; i <= endIdx; ++i) {
        ch = children[i];
        if (ch != null) {
            key = ch.key;
            if (key !== undefined)
                map[key] = i;
        }
    }
    return map;
}
var hooks = ['create', 'update', 'remove', 'destroy', 'pre', 'post'];
var h_1 = require("./h");
exports.h = h_1.h;
var thunk_1 = require("./thunk");
exports.thunk = thunk_1.thunk;
function init(modules, domApi) {
    var i, j, cbs = {};
    var api = domApi !== undefined ? domApi : htmldomapi_1.default;
    for (i = 0; i < hooks.length; ++i) {
        cbs[hooks[i]] = [];
        for (j = 0; j < modules.length; ++j) {
            var hook = modules[j][hooks[i]];
            if (hook !== undefined) {
                cbs[hooks[i]].push(hook);
            }
        }
    }
    function emptyNodeAt(elm) {
        var id = elm.id ? '#' + elm.id : '';
        var c = elm.className ? '.' + elm.className.split(' ').join('.') : '';
        return vnode_1.default(api.tagName(elm).toLowerCase() + id + c, {}, [], undefined, elm);
    }
    function createRmCb(childElm, listeners) {
        return function rmCb() {
            if (--listeners === 0) {
                var parent_1 = api.parentNode(childElm);
                api.removeChild(parent_1, childElm);
            }
        };
    }
    function createElm(vnode, insertedVnodeQueue) {
        var i, data = vnode.data;
        if (data !== undefined) {
            if (isDef(i = data.hook) && isDef(i = i.init)) {
                i(vnode);
                data = vnode.data;
            }
        }
        var children = vnode.children, sel = vnode.sel;
        if (sel === '!') {
            if (isUndef(vnode.text)) {
                vnode.text = '';
            }
            vnode.elm = api.createComment(vnode.text);
        }
        else if (sel !== undefined) {
            // Parse selector
            var hashIdx = sel.indexOf('#');
            var dotIdx = sel.indexOf('.', hashIdx);
            var hash = hashIdx > 0 ? hashIdx : sel.length;
            var dot = dotIdx > 0 ? dotIdx : sel.length;
            var tag = hashIdx !== -1 || dotIdx !== -1 ? sel.slice(0, Math.min(hash, dot)) : sel;
            var elm = vnode.elm = isDef(data) && isDef(i = data.ns) ? api.createElementNS(i, tag)
                : api.createElement(tag);
            if (hash < dot)
                elm.setAttribute('id', sel.slice(hash + 1, dot));
            if (dotIdx > 0)
                elm.setAttribute('class', sel.slice(dot + 1).replace(/\./g, ' '));
            for (i = 0; i < cbs.create.length; ++i)
                cbs.create[i](emptyNode, vnode);
            if (is.array(children)) {
                for (i = 0; i < children.length; ++i) {
                    var ch = children[i];
                    if (ch != null) {
                        api.appendChild(elm, createElm(ch, insertedVnodeQueue));
                    }
                }
            }
            else if (is.primitive(vnode.text)) {
                api.appendChild(elm, api.createTextNode(vnode.text));
            }
            i = vnode.data.hook; // Reuse variable
            if (isDef(i)) {
                if (i.create)
                    i.create(emptyNode, vnode);
                if (i.insert)
                    insertedVnodeQueue.push(vnode);
            }
        }
        else {
            vnode.elm = api.createTextNode(vnode.text);
        }
        return vnode.elm;
    }
    function addVnodes(parentElm, before, vnodes, startIdx, endIdx, insertedVnodeQueue) {
        for (; startIdx <= endIdx; ++startIdx) {
            var ch = vnodes[startIdx];
            if (ch != null) {
                api.insertBefore(parentElm, createElm(ch, insertedVnodeQueue), before);
            }
        }
    }
    function invokeDestroyHook(vnode) {
        var i, j, data = vnode.data;
        if (data !== undefined) {
            if (isDef(i = data.hook) && isDef(i = i.destroy))
                i(vnode);
            for (i = 0; i < cbs.destroy.length; ++i)
                cbs.destroy[i](vnode);
            if (vnode.children !== undefined) {
                for (j = 0; j < vnode.children.length; ++j) {
                    i = vnode.children[j];
                    if (i != null && typeof i !== "string") {
                        invokeDestroyHook(i);
                    }
                }
            }
        }
    }
    function removeVnodes(parentElm, vnodes, startIdx, endIdx) {
        for (; startIdx <= endIdx; ++startIdx) {
            var i_1 = void 0, listeners = void 0, rm = void 0, ch = vnodes[startIdx];
            if (ch != null) {
                if (isDef(ch.sel)) {
                    invokeDestroyHook(ch);
                    listeners = cbs.remove.length + 1;
                    rm = createRmCb(ch.elm, listeners);
                    for (i_1 = 0; i_1 < cbs.remove.length; ++i_1)
                        cbs.remove[i_1](ch, rm);
                    if (isDef(i_1 = ch.data) && isDef(i_1 = i_1.hook) && isDef(i_1 = i_1.remove)) {
                        i_1(ch, rm);
                    }
                    else {
                        rm();
                    }
                }
                else {
                    api.removeChild(parentElm, ch.elm);
                }
            }
        }
    }
    function updateChildren(parentElm, oldCh, newCh, insertedVnodeQueue) {
        var oldStartIdx = 0, newStartIdx = 0;
        var oldEndIdx = oldCh.length - 1;
        var oldStartVnode = oldCh[0];
        var oldEndVnode = oldCh[oldEndIdx];
        var newEndIdx = newCh.length - 1;
        var newStartVnode = newCh[0];
        var newEndVnode = newCh[newEndIdx];
        var oldKeyToIdx;
        var idxInOld;
        var elmToMove;
        var before;
        while (oldStartIdx <= oldEndIdx && newStartIdx <= newEndIdx) {
            if (oldStartVnode == null) {
                oldStartVnode = oldCh[++oldStartIdx]; // Vnode might have been moved left
            }
            else if (oldEndVnode == null) {
                oldEndVnode = oldCh[--oldEndIdx];
            }
            else if (newStartVnode == null) {
                newStartVnode = newCh[++newStartIdx];
            }
            else if (newEndVnode == null) {
                newEndVnode = newCh[--newEndIdx];
            }
            else if (sameVnode(oldStartVnode, newStartVnode)) {
                patchVnode(oldStartVnode, newStartVnode, insertedVnodeQueue);
                oldStartVnode = oldCh[++oldStartIdx];
                newStartVnode = newCh[++newStartIdx];
            }
            else if (sameVnode(oldEndVnode, newEndVnode)) {
                patchVnode(oldEndVnode, newEndVnode, insertedVnodeQueue);
                oldEndVnode = oldCh[--oldEndIdx];
                newEndVnode = newCh[--newEndIdx];
            }
            else if (sameVnode(oldStartVnode, newEndVnode)) {
                patchVnode(oldStartVnode, newEndVnode, insertedVnodeQueue);
                api.insertBefore(parentElm, oldStartVnode.elm, api.nextSibling(oldEndVnode.elm));
                oldStartVnode = oldCh[++oldStartIdx];
                newEndVnode = newCh[--newEndIdx];
            }
            else if (sameVnode(oldEndVnode, newStartVnode)) {
                patchVnode(oldEndVnode, newStartVnode, insertedVnodeQueue);
                api.insertBefore(parentElm, oldEndVnode.elm, oldStartVnode.elm);
                oldEndVnode = oldCh[--oldEndIdx];
                newStartVnode = newCh[++newStartIdx];
            }
            else {
                if (oldKeyToIdx === undefined) {
                    oldKeyToIdx = createKeyToOldIdx(oldCh, oldStartIdx, oldEndIdx);
                }
                idxInOld = oldKeyToIdx[newStartVnode.key];
                if (isUndef(idxInOld)) {
                    api.insertBefore(parentElm, createElm(newStartVnode, insertedVnodeQueue), oldStartVnode.elm);
                    newStartVnode = newCh[++newStartIdx];
                }
                else {
                    elmToMove = oldCh[idxInOld];
                    if (elmToMove.sel !== newStartVnode.sel) {
                        api.insertBefore(parentElm, createElm(newStartVnode, insertedVnodeQueue), oldStartVnode.elm);
                    }
                    else {
                        patchVnode(elmToMove, newStartVnode, insertedVnodeQueue);
                        oldCh[idxInOld] = undefined;
                        api.insertBefore(parentElm, elmToMove.elm, oldStartVnode.elm);
                    }
                    newStartVnode = newCh[++newStartIdx];
                }
            }
        }
        if (oldStartIdx > oldEndIdx) {
            before = newCh[newEndIdx + 1] == null ? null : newCh[newEndIdx + 1].elm;
            addVnodes(parentElm, before, newCh, newStartIdx, newEndIdx, insertedVnodeQueue);
        }
        else if (newStartIdx > newEndIdx) {
            removeVnodes(parentElm, oldCh, oldStartIdx, oldEndIdx);
        }
    }
    function patchVnode(oldVnode, vnode, insertedVnodeQueue) {
        var i, hook;
        if (isDef(i = vnode.data) && isDef(hook = i.hook) && isDef(i = hook.prepatch)) {
            i(oldVnode, vnode);
        }
        var elm = vnode.elm = oldVnode.elm;
        var oldCh = oldVnode.children;
        var ch = vnode.children;
        if (oldVnode === vnode)
            return;
        if (vnode.data !== undefined) {
            for (i = 0; i < cbs.update.length; ++i)
                cbs.update[i](oldVnode, vnode);
            i = vnode.data.hook;
            if (isDef(i) && isDef(i = i.update))
                i(oldVnode, vnode);
        }
        if (isUndef(vnode.text)) {
            if (isDef(oldCh) && isDef(ch)) {
                if (oldCh !== ch)
                    updateChildren(elm, oldCh, ch, insertedVnodeQueue);
            }
            else if (isDef(ch)) {
                if (isDef(oldVnode.text))
                    api.setTextContent(elm, '');
                addVnodes(elm, null, ch, 0, ch.length - 1, insertedVnodeQueue);
            }
            else if (isDef(oldCh)) {
                removeVnodes(elm, oldCh, 0, oldCh.length - 1);
            }
            else if (isDef(oldVnode.text)) {
                api.setTextContent(elm, '');
            }
        }
        else if (oldVnode.text !== vnode.text) {
            api.setTextContent(elm, vnode.text);
        }
        if (isDef(hook) && isDef(i = hook.postpatch)) {
            i(oldVnode, vnode);
        }
    }
    return function patch(oldVnode, vnode) {
        var i, elm, parent;
        var insertedVnodeQueue = [];
        for (i = 0; i < cbs.pre.length; ++i)
            cbs.pre[i]();
        if (!isVnode(oldVnode)) {
            oldVnode = emptyNodeAt(oldVnode);
        }
        if (sameVnode(oldVnode, vnode)) {
            patchVnode(oldVnode, vnode, insertedVnodeQueue);
        }
        else {
            elm = oldVnode.elm;
            parent = api.parentNode(elm);
            createElm(vnode, insertedVnodeQueue);
            if (parent !== null) {
                api.insertBefore(parent, vnode.elm, api.nextSibling(elm));
                removeVnodes(parent, [oldVnode], 0, 0);
            }
        }
        for (i = 0; i < insertedVnodeQueue.length; ++i) {
            insertedVnodeQueue[i].data.hook.insert(insertedVnodeQueue[i]);
        }
        for (i = 0; i < cbs.post.length; ++i)
            cbs.post[i]();
        return vnode;
    };
}
exports.init = init;

},{"./h":1,"./htmldomapi":2,"./is":3,"./thunk":5,"./vnode":6}],5:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var h_1 = require("./h");
function copyToThunk(vnode, thunk) {
    thunk.elm = vnode.elm;
    vnode.data.fn = thunk.data.fn;
    vnode.data.args = thunk.data.args;
    thunk.data = vnode.data;
    thunk.children = vnode.children;
    thunk.text = vnode.text;
    thunk.elm = vnode.elm;
}
function init(thunk) {
    var cur = thunk.data;
    var vnode = cur.fn.apply(undefined, cur.args);
    copyToThunk(vnode, thunk);
}
function prepatch(oldVnode, thunk) {
    var i, old = oldVnode.data, cur = thunk.data;
    var oldArgs = old.args, args = cur.args;
    if (old.fn !== cur.fn || oldArgs.length !== args.length) {
        copyToThunk(cur.fn.apply(undefined, args), thunk);
        return;
    }
    for (i = 0; i < args.length; ++i) {
        if (oldArgs[i] !== args[i]) {
            copyToThunk(cur.fn.apply(undefined, args), thunk);
            return;
        }
    }
    copyToThunk(oldVnode, thunk);
}
exports.thunk = function thunk(sel, key, fn, args) {
    if (args === undefined) {
        args = fn;
        fn = key;
        key = undefined;
    }
    return h_1.h(sel, {
        key: key,
        hook: { init: init, prepatch: prepatch },
        fn: fn,
        args: args
    });
};
exports.default = exports.thunk;

},{"./h":1}],6:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
function vnode(sel, data, children, text, elm) {
    var key = data === undefined ? undefined : data.key;
    return { sel: sel, data: data, children: children,
        text: text, elm: elm, key: key };
}
exports.vnode = vnode;
exports.default = vnode;

},{}]},{},[4])(4)
});
//# sourceMappingURL=data:application/json;charset=utf-8;base64,[encoded data, 28296 characters]


/***/ }),

/***/ "./node_modules/snabbdom/dist/tovnode.js":
/*!***********************************************!*\
  !*** ./node_modules/snabbdom/dist/tovnode.js ***!
  \***********************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var require;var require;(function(f){if(true){module.exports=f()}else { var g; }})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return require(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
function createElement(tagName) {
    return document.createElement(tagName);
}
function createElementNS(namespaceURI, qualifiedName) {
    return document.createElementNS(namespaceURI, qualifiedName);
}
function createTextNode(text) {
    return document.createTextNode(text);
}
function createComment(text) {
    return document.createComment(text);
}
function insertBefore(parentNode, newNode, referenceNode) {
    parentNode.insertBefore(newNode, referenceNode);
}
function removeChild(node, child) {
    node.removeChild(child);
}
function appendChild(node, child) {
    node.appendChild(child);
}
function parentNode(node) {
    return node.parentNode;
}
function nextSibling(node) {
    return node.nextSibling;
}
function tagName(elm) {
    return elm.tagName;
}
function setTextContent(node, text) {
    node.textContent = text;
}
function getTextContent(node) {
    return node.textContent;
}
function isElement(node) {
    return node.nodeType === 1;
}
function isText(node) {
    return node.nodeType === 3;
}
function isComment(node) {
    return node.nodeType === 8;
}
exports.htmlDomApi = {
    createElement: createElement,
    createElementNS: createElementNS,
    createTextNode: createTextNode,
    createComment: createComment,
    insertBefore: insertBefore,
    removeChild: removeChild,
    appendChild: appendChild,
    parentNode: parentNode,
    nextSibling: nextSibling,
    tagName: tagName,
    setTextContent: setTextContent,
    getTextContent: getTextContent,
    isElement: isElement,
    isText: isText,
    isComment: isComment,
};
exports.default = exports.htmlDomApi;

},{}],2:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var vnode_1 = require("./vnode");
var htmldomapi_1 = require("./htmldomapi");
function toVNode(node, domApi) {
    var api = domApi !== undefined ? domApi : htmldomapi_1.default;
    var text;
    if (api.isElement(node)) {
        var id = node.id ? '#' + node.id : '';
        var cn = node.getAttribute('class');
        var c = cn ? '.' + cn.split(' ').join('.') : '';
        var sel = api.tagName(node).toLowerCase() + id + c;
        var attrs = {};
        var children = [];
        var name_1;
        var i = void 0, n = void 0;
        var elmAttrs = node.attributes;
        var elmChildren = node.childNodes;
        for (i = 0, n = elmAttrs.length; i < n; i++) {
            name_1 = elmAttrs[i].nodeName;
            if (name_1 !== 'id' && name_1 !== 'class') {
                attrs[name_1] = elmAttrs[i].nodeValue;
            }
        }
        for (i = 0, n = elmChildren.length; i < n; i++) {
            children.push(toVNode(elmChildren[i]));
        }
        return vnode_1.default(sel, { attrs: attrs }, children, undefined, node);
    }
    else if (api.isText(node)) {
        text = api.getTextContent(node);
        return vnode_1.default(undefined, undefined, undefined, text, node);
    }
    else if (api.isComment(node)) {
        text = api.getTextContent(node);
        return vnode_1.default('!', {}, [], text, node);
    }
    else {
        return vnode_1.default('', {}, [], undefined, undefined);
    }
}
exports.toVNode = toVNode;
exports.default = toVNode;

},{"./htmldomapi":1,"./vnode":3}],3:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
function vnode(sel, data, children, text, elm) {
    var key = data === undefined ? undefined : data.key;
    return { sel: sel, data: data, children: children,
        text: text, elm: elm, key: key };
}
exports.vnode = vnode;
exports.default = vnode;

},{}]},{},[2])(2)
});
//# sourceMappingURL=data:application/json;charset=utf-8;base64,[encoded data, 6856 characters]


/***/ }),

/***/ "./node_modules/strophe.js/dist/strophe.js":
/*!*************************************************!*\
  !*** ./node_modules/strophe.js/dist/strophe.js ***!
  \*************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

(function webpackUniversalModuleDefinition(root, factory) {
	if(true)
		module.exports = factory();
	else {}
})(window, function() {
return /******/ (function(modules) { // webpackBootstrap
/******/ 	// The module cache
/******/ 	var installedModules = {};
/******/
/******/ 	// The require function
/******/ 	function __webpack_require__(moduleId) {
/******/
/******/ 		// Check if module is in cache
/******/ 		if(installedModules[moduleId]) {
/******/ 			return installedModules[moduleId].exports;
/******/ 		}
/******/ 		// Create a new module (and put it into the cache)
/******/ 		var module = installedModules[moduleId] = {
/******/ 			i: moduleId,
/******/ 			l: false,
/******/ 			exports: {}
/******/ 		};
/******/
/******/ 		// Execute the module function
/******/ 		modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
/******/
/******/ 		// Flag the module as loaded
/******/ 		module.l = true;
/******/
/******/ 		// Return the exports of the module
/******/ 		return module.exports;
/******/ 	}
/******/
/******/
/******/ 	// expose the modules object (__webpack_modules__)
/******/ 	__webpack_require__.m = modules;
/******/
/******/ 	// expose the module cache
/******/ 	__webpack_require__.c = installedModules;
/******/
/******/ 	// define getter function for harmony exports
/******/ 	__webpack_require__.d = function(exports, name, getter) {
/******/ 		if(!__webpack_require__.o(exports, name)) {
/******/ 			Object.defineProperty(exports, name, { enumerable: true, get: getter });
/******/ 		}
/******/ 	};
/******/
/******/ 	// define __esModule on exports
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/***/ "./src/bosh.js":
/*!*********************!*\
  !*** ./src/bosh.js ***!
  \*********************/
/*! no exports provided */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var core__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! core */ "./src/core.js");
/*
    This program is distributed under the terms of the MIT license.
    Please see the LICENSE file for details.

    Copyright 2006-2008, OGG, LLC
*/

/* global window, setTimeout, clearTimeout, XMLHttpRequest, ActiveXObject */

var Strophe = core__WEBPACK_IMPORTED_MODULE_0__["default"].Strophe;
var $build = core__WEBPACK_IMPORTED_MODULE_0__["default"].$build;
/** PrivateClass: Strophe.Request
 *  _Private_ helper class that provides a cross implementation abstraction
 *  for a BOSH related XMLHttpRequest.
 *
 *  The Strophe.Request class is used internally to encapsulate BOSH request
 *  information.  It is not meant to be used from user's code.
 */

/** PrivateConstructor: Strophe.Request
 *  Create and initialize a new Strophe.Request object.
 *
 *  Parameters:
 *    (XMLElement) elem - The XML data to be sent in the request.
 *    (Function) func - The function that will be called when the
 *      XMLHttpRequest readyState changes.
 *    (Integer) rid - The BOSH rid attribute associated with this request.
 *    (Integer) sends - The number of times this same request has been sent.
 */

Strophe.Request = function (elem, func, rid, sends) {
  this.id = ++Strophe._requestId;
  this.xmlData = elem;
  this.data = Strophe.serialize(elem); // save original function in case we need to make a new request
  // from this one.

  this.origFunc = func;
  this.func = func;
  this.rid = rid;
  this.date = NaN;
  this.sends = sends || 0;
  this.abort = false;
  this.dead = null;

  this.age = function () {
    if (!this.date) {
      return 0;
    }

    var now = new Date();
    return (now - this.date) / 1000;
  };

  this.timeDead = function () {
    if (!this.dead) {
      return 0;
    }

    var now = new Date();
    return (now - this.dead) / 1000;
  };

  this.xhr = this._newXHR();
};

Strophe.Request.prototype = {
  /** PrivateFunction: getResponse
   *  Get a response from the underlying XMLHttpRequest.
   *
   *  This function attempts to get a response from the request and checks
   *  for errors.
   *
   *  Throws:
   *    "parsererror" - A parser error occured.
   *    "bad-format" - The entity has sent XML that cannot be processed.
   *
   *  Returns:
   *    The DOM element tree of the response.
   */
  getResponse: function getResponse() {
    var node = null;

    if (this.xhr.responseXML && this.xhr.responseXML.documentElement) {
      node = this.xhr.responseXML.documentElement;

      if (node.tagName === "parsererror") {
        Strophe.error("invalid response received");
        Strophe.error("responseText: " + this.xhr.responseText);
        Strophe.error("responseXML: " + Strophe.serialize(this.xhr.responseXML));
        throw new Error("parsererror");
      }
    } else if (this.xhr.responseText) {
      // In React Native, we may get responseText but no responseXML.  We can try to parse it manually.
      Strophe.debug("Got responseText but no responseXML; attempting to parse it with DOMParser...");
      node = new DOMParser().parseFromString(this.xhr.responseText, 'application/xml').documentElement;

      if (!node) {
        throw new Error('Parsing produced null node');
      } else if (node.querySelector('parsererror')) {
        Strophe.error("invalid response received: " + node.querySelector('parsererror').textContent);
        Strophe.error("responseText: " + this.xhr.responseText);
        var error = new Error();
        error.name = Strophe.ErrorCondition.BAD_FORMAT;
        throw error;
      }
    }

    return node;
  },

  /** PrivateFunction: _newXHR
   *  _Private_ helper function to create XMLHttpRequests.
   *
   *  This function creates XMLHttpRequests across all implementations.
   *
   *  Returns:
   *    A new XMLHttpRequest.
   */
  _newXHR: function _newXHR() {
    var xhr = null;

    if (window.XMLHttpRequest) {
      xhr = new XMLHttpRequest();

      if (xhr.overrideMimeType) {
        xhr.overrideMimeType("text/xml; charset=utf-8");
      }
    } else if (window.ActiveXObject) {
      xhr = new ActiveXObject("Microsoft.XMLHTTP");
    } // use Function.bind() to prepend ourselves as an argument


    xhr.onreadystatechange = this.func.bind(null, this);
    return xhr;
  }
};
/** Class: Strophe.Bosh
 *  _Private_ helper class that handles BOSH Connections
 *
 *  The Strophe.Bosh class is used internally by Strophe.Connection
 *  to encapsulate BOSH sessions. It is not meant to be used from user's code.
 */

/** File: bosh.js
 *  A JavaScript library to enable BOSH in Strophejs.
 *
 *  this library uses Bidirectional-streams Over Synchronous HTTP (BOSH)
 *  to emulate a persistent, stateful, two-way connection to an XMPP server.
 *  More information on BOSH can be found in XEP 124.
 */

/** PrivateConstructor: Strophe.Bosh
 *  Create and initialize a Strophe.Bosh object.
 *
 *  Parameters:
 *    (Strophe.Connection) connection - The Strophe.Connection that will use BOSH.
 *
 *  Returns:
 *    A new Strophe.Bosh object.
 */

Strophe.Bosh = function (connection) {
  this._conn = connection;
  /* request id for body tags */

  this.rid = Math.floor(Math.random() * 4294967295);
  /* The current session ID. */

  this.sid = null; // default BOSH values

  this.hold = 1;
  this.wait = 60;
  this.window = 5;
  this.errors = 0;
  this.inactivity = null;
  this.lastResponseHeaders = null;
  this._requests = [];
};

Strophe.Bosh.prototype = {
  /** Variable: strip
   *
   *  BOSH-Connections will have all stanzas wrapped in a <body> tag when
   *  passed to <Strophe.Connection.xmlInput> or <Strophe.Connection.xmlOutput>.
   *  To strip this tag, User code can set <Strophe.Bosh.strip> to "body":
   *
   *  > Strophe.Bosh.prototype.strip = "body";
   *
   *  This will enable stripping of the body tag in both
   *  <Strophe.Connection.xmlInput> and <Strophe.Connection.xmlOutput>.
   */
  strip: null,

  /** PrivateFunction: _buildBody
   *  _Private_ helper function to generate the <body/> wrapper for BOSH.
   *
   *  Returns:
   *    A Strophe.Builder with a <body/> element.
   */
  _buildBody: function _buildBody() {
    var bodyWrap = $build('body', {
      'rid': this.rid++,
      'xmlns': Strophe.NS.HTTPBIND
    });

    if (this.sid !== null) {
      bodyWrap.attrs({
        'sid': this.sid
      });
    }

    if (this._conn.options.keepalive && this._conn._sessionCachingSupported()) {
      this._cacheSession();
    }

    return bodyWrap;
  },

  /** PrivateFunction: _reset
   *  Reset the connection.
   *
   *  This function is called by the reset function of the Strophe Connection
   */
  _reset: function _reset() {
    this.rid = Math.floor(Math.random() * 4294967295);
    this.sid = null;
    this.errors = 0;

    if (this._conn._sessionCachingSupported()) {
      window.sessionStorage.removeItem('strophe-bosh-session');
    }

    this._conn.nextValidRid(this.rid);
  },

  /** PrivateFunction: _connect
   *  _Private_ function that initializes the BOSH connection.
   *
   *  Creates and sends the Request that initializes the BOSH connection.
   */
  _connect: function _connect(wait, hold, route) {
    this.wait = wait || this.wait;
    this.hold = hold || this.hold;
    this.errors = 0;

    var body = this._buildBody().attrs({
      "to": this._conn.domain,
      "xml:lang": "en",
      "wait": this.wait,
      "hold": this.hold,
      "content": "text/xml; charset=utf-8",
      "ver": "1.6",
      "xmpp:version": "1.0",
      "xmlns:xmpp": Strophe.NS.BOSH
    });

    if (route) {
      body.attrs({
        'route': route
      });
    }

    var _connect_cb = this._conn._connect_cb;

    this._requests.push(new Strophe.Request(body.tree(), this._onRequestStateChange.bind(this, _connect_cb.bind(this._conn)), body.tree().getAttribute("rid")));

    this._throttledRequestHandler();
  },

  /** PrivateFunction: _attach
   *  Attach to an already created and authenticated BOSH session.
   *
   *  This function is provided to allow Strophe to attach to BOSH
   *  sessions which have been created externally, perhaps by a Web
   *  application.  This is often used to support auto-login type features
   *  without putting user credentials into the page.
   *
   *  Parameters:
   *    (String) jid - The full JID that is bound by the session.
   *    (String) sid - The SID of the BOSH session.
   *    (String) rid - The current RID of the BOSH session.  This RID
   *      will be used by the next request.
   *    (Function) callback The connect callback function.
   *    (Integer) wait - The optional HTTPBIND wait value.  This is the
   *      time the server will wait before returning an empty result for
   *      a request.  The default setting of 60 seconds is recommended.
   *      Other settings will require tweaks to the Strophe.TIMEOUT value.
   *    (Integer) hold - The optional HTTPBIND hold value.  This is the
   *      number of connections the server will hold at one time.  This
   *      should almost always be set to 1 (the default).
   *    (Integer) wind - The optional HTTBIND window value.  This is the
   *      allowed range of request ids that are valid.  The default is 5.
   */
  _attach: function _attach(jid, sid, rid, callback, wait, hold, wind) {
    this._conn.jid = jid;
    this.sid = sid;
    this.rid = rid;
    this._conn.connect_callback = callback;
    this._conn.domain = Strophe.getDomainFromJid(this._conn.jid);
    this._conn.authenticated = true;
    this._conn.connected = true;
    this.wait = wait || this.wait;
    this.hold = hold || this.hold;
    this.window = wind || this.window;

    this._conn._changeConnectStatus(Strophe.Status.ATTACHED, null);
  },

  /** PrivateFunction: _restore
   *  Attempt to restore a cached BOSH session
   *
   *  Parameters:
   *    (String) jid - The full JID that is bound by the session.
   *      This parameter is optional but recommended, specifically in cases
   *      where prebinded BOSH sessions are used where it's important to know
   *      that the right session is being restored.
   *    (Function) callback The connect callback function.
   *    (Integer) wait - The optional HTTPBIND wait value.  This is the
   *      time the server will wait before returning an empty result for
   *      a request.  The default setting of 60 seconds is recommended.
   *      Other settings will require tweaks to the Strophe.TIMEOUT value.
   *    (Integer) hold - The optional HTTPBIND hold value.  This is the
   *      number of connections the server will hold at one time.  This
   *      should almost always be set to 1 (the default).
   *    (Integer) wind - The optional HTTBIND window value.  This is the
   *      allowed range of request ids that are valid.  The default is 5.
   */
  _restore: function _restore(jid, callback, wait, hold, wind) {
    var session = JSON.parse(window.sessionStorage.getItem('strophe-bosh-session'));

    if (typeof session !== "undefined" && session !== null && session.rid && session.sid && session.jid && (typeof jid === "undefined" || jid === null || Strophe.getBareJidFromJid(session.jid) === Strophe.getBareJidFromJid(jid) || // If authcid is null, then it's an anonymous login, so
    // we compare only the domains:
    Strophe.getNodeFromJid(jid) === null && Strophe.getDomainFromJid(session.jid) === jid)) {
      this._conn.restored = true;

      this._attach(session.jid, session.sid, session.rid, callback, wait, hold, wind);
    } else {
      var error = new Error("_restore: no restoreable session.");
      error.name = "StropheSessionError";
      throw error;
    }
  },

  /** PrivateFunction: _cacheSession
   *  _Private_ handler for the beforeunload event.
   *
   *  This handler is used to process the Bosh-part of the initial request.
   *  Parameters:
   *    (Strophe.Request) bodyWrap - The received stanza.
   */
  _cacheSession: function _cacheSession() {
    if (this._conn.authenticated) {
      if (this._conn.jid && this.rid && this.sid) {
        window.sessionStorage.setItem('strophe-bosh-session', JSON.stringify({
          'jid': this._conn.jid,
          'rid': this.rid,
          'sid': this.sid
        }));
      }
    } else {
      window.sessionStorage.removeItem('strophe-bosh-session');
    }
  },

  /** PrivateFunction: _connect_cb
   *  _Private_ handler for initial connection request.
   *
   *  This handler is used to process the Bosh-part of the initial request.
   *  Parameters:
   *    (Strophe.Request) bodyWrap - The received stanza.
   */
  _connect_cb: function _connect_cb(bodyWrap) {
    var typ = bodyWrap.getAttribute("type");

    if (typ !== null && typ === "terminate") {
      // an error occurred
      var cond = bodyWrap.getAttribute("condition");
      Strophe.error("BOSH-Connection failed: " + cond);
      var conflict = bodyWrap.getElementsByTagName("conflict");

      if (cond !== null) {
        if (cond === "remote-stream-error" && conflict.length > 0) {
          cond = "conflict";
        }

        this._conn._changeConnectStatus(Strophe.Status.CONNFAIL, cond);
      } else {
        this._conn._changeConnectStatus(Strophe.Status.CONNFAIL, "unknown");
      }

      this._conn._doDisconnect(cond);

      return Strophe.Status.CONNFAIL;
    } // check to make sure we don't overwrite these if _connect_cb is
    // called multiple times in the case of missing stream:features


    if (!this.sid) {
      this.sid = bodyWrap.getAttribute("sid");
    }

    var wind = bodyWrap.getAttribute('requests');

    if (wind) {
      this.window = parseInt(wind, 10);
    }

    var hold = bodyWrap.getAttribute('hold');

    if (hold) {
      this.hold = parseInt(hold, 10);
    }

    var wait = bodyWrap.getAttribute('wait');

    if (wait) {
      this.wait = parseInt(wait, 10);
    }

    var inactivity = bodyWrap.getAttribute('inactivity');

    if (inactivity) {
      this.inactivity = parseInt(inactivity, 10);
    }
  },

  /** PrivateFunction: _disconnect
   *  _Private_ part of Connection.disconnect for Bosh
   *
   *  Parameters:
   *    (Request) pres - This stanza will be sent before disconnecting.
   */
  _disconnect: function _disconnect(pres) {
    this._sendTerminate(pres);
  },

  /** PrivateFunction: _doDisconnect
   *  _Private_ function to disconnect.
   *
   *  Resets the SID and RID.
   */
  _doDisconnect: function _doDisconnect() {
    this.sid = null;
    this.rid = Math.floor(Math.random() * 4294967295);

    if (this._conn._sessionCachingSupported()) {
      window.sessionStorage.removeItem('strophe-bosh-session');
    }

    this._conn.nextValidRid(this.rid);
  },

  /** PrivateFunction: _emptyQueue
   * _Private_ function to check if the Request queue is empty.
   *
   *  Returns:
   *    True, if there are no Requests queued, False otherwise.
   */
  _emptyQueue: function _emptyQueue() {
    return this._requests.length === 0;
  },

  /** PrivateFunction: _callProtocolErrorHandlers
   *  _Private_ function to call error handlers registered for HTTP errors.
   *
   *  Parameters:
   *    (Strophe.Request) req - The request that is changing readyState.
   */
  _callProtocolErrorHandlers: function _callProtocolErrorHandlers(req) {
    var reqStatus = this._getRequestStatus(req);

    var err_callback = this._conn.protocolErrorHandlers.HTTP[reqStatus];

    if (err_callback) {
      err_callback.call(this, reqStatus);
    }
  },

  /** PrivateFunction: _hitError
   *  _Private_ function to handle the error count.
   *
   *  Requests are resent automatically until their error count reaches
   *  5.  Each time an error is encountered, this function is called to
   *  increment the count and disconnect if the count is too high.
   *
   *  Parameters:
   *    (Integer) reqStatus - The request status.
   */
  _hitError: function _hitError(reqStatus) {
    this.errors++;
    Strophe.warn("request errored, status: " + reqStatus + ", number of errors: " + this.errors);

    if (this.errors > 4) {
      this._conn._onDisconnectTimeout();
    }
  },

  /** PrivateFunction: _no_auth_received
   *
   * Called on stream start/restart when no stream:features
   * has been received and sends a blank poll request.
   */
  _no_auth_received: function _no_auth_received(callback) {
    Strophe.warn("Server did not yet offer a supported authentication " + "mechanism. Sending a blank poll request.");

    if (callback) {
      callback = callback.bind(this._conn);
    } else {
      callback = this._conn._connect_cb.bind(this._conn);
    }

    var body = this._buildBody();

    this._requests.push(new Strophe.Request(body.tree(), this._onRequestStateChange.bind(this, callback), body.tree().getAttribute("rid")));

    this._throttledRequestHandler();
  },

  /** PrivateFunction: _onDisconnectTimeout
   *  _Private_ timeout handler for handling non-graceful disconnection.
   *
   *  Cancels all remaining Requests and clears the queue.
   */
  _onDisconnectTimeout: function _onDisconnectTimeout() {
    this._abortAllRequests();
  },

  /** PrivateFunction: _abortAllRequests
   *  _Private_ helper function that makes sure all pending requests are aborted.
   */
  _abortAllRequests: function _abortAllRequests() {
    while (this._requests.length > 0) {
      var req = this._requests.pop();

      req.abort = true;
      req.xhr.abort(); // jslint complains, but this is fine. setting to empty func
      // is necessary for IE6

      req.xhr.onreadystatechange = function () {}; // jshint ignore:line

    }
  },

  /** PrivateFunction: _onIdle
   *  _Private_ handler called by Strophe.Connection._onIdle
   *
   *  Sends all queued Requests or polls with empty Request if there are none.
   */
  _onIdle: function _onIdle() {
    var data = this._conn._data; // if no requests are in progress, poll

    if (this._conn.authenticated && this._requests.length === 0 && data.length === 0 && !this._conn.disconnecting) {
      Strophe.info("no requests during idle cycle, sending " + "blank request");
      data.push(null);
    }

    if (this._conn.paused) {
      return;
    }

    if (this._requests.length < 2 && data.length > 0) {
      var body = this._buildBody();

      for (var i = 0; i < data.length; i++) {
        if (data[i] !== null) {
          if (data[i] === "restart") {
            body.attrs({
              "to": this._conn.domain,
              "xml:lang": "en",
              "xmpp:restart": "true",
              "xmlns:xmpp": Strophe.NS.BOSH
            });
          } else {
            body.cnode(data[i]).up();
          }
        }
      }

      delete this._conn._data;
      this._conn._data = [];

      this._requests.push(new Strophe.Request(body.tree(), this._onRequestStateChange.bind(this, this._conn._dataRecv.bind(this._conn)), body.tree().getAttribute("rid")));

      this._throttledRequestHandler();
    }

    if (this._requests.length > 0) {
      var time_elapsed = this._requests[0].age();

      if (this._requests[0].dead !== null) {
        if (this._requests[0].timeDead() > Math.floor(Strophe.SECONDARY_TIMEOUT * this.wait)) {
          this._throttledRequestHandler();
        }
      }

      if (time_elapsed > Math.floor(Strophe.TIMEOUT * this.wait)) {
        Strophe.warn("Request " + this._requests[0].id + " timed out, over " + Math.floor(Strophe.TIMEOUT * this.wait) + " seconds since last activity");

        this._throttledRequestHandler();
      }
    }
  },

  /** PrivateFunction: _getRequestStatus
   *
   *  Returns the HTTP status code from a Strophe.Request
   *
   *  Parameters:
   *    (Strophe.Request) req - The Strophe.Request instance.
   *    (Integer) def - The default value that should be returned if no
   *          status value was found.
   */
  _getRequestStatus: function _getRequestStatus(req, def) {
    var reqStatus;

    if (req.xhr.readyState === 4) {
      try {
        reqStatus = req.xhr.status;
      } catch (e) {
        // ignore errors from undefined status attribute. Works
        // around a browser bug
        Strophe.error("Caught an error while retrieving a request's status, " + "reqStatus: " + reqStatus);
      }
    }

    if (typeof reqStatus === "undefined") {
      reqStatus = typeof def === 'number' ? def : 0;
    }

    return reqStatus;
  },

  /** PrivateFunction: _onRequestStateChange
   *  _Private_ handler for Strophe.Request state changes.
   *
   *  This function is called when the XMLHttpRequest readyState changes.
   *  It contains a lot of error handling logic for the many ways that
   *  requests can fail, and calls the request callback when requests
   *  succeed.
   *
   *  Parameters:
   *    (Function) func - The handler for the request.
   *    (Strophe.Request) req - The request that is changing readyState.
   */
  _onRequestStateChange: function _onRequestStateChange(func, req) {
    Strophe.debug("request id " + req.id + "." + req.sends + " state changed to " + req.xhr.readyState);

    if (req.abort) {
      req.abort = false;
      return;
    }

    if (req.xhr.readyState !== 4) {
      // The request is not yet complete
      return;
    }

    var reqStatus = this._getRequestStatus(req);

    this.lastResponseHeaders = req.xhr.getAllResponseHeaders();

    if (this.disconnecting && reqStatus >= 400) {
      this._hitError(reqStatus);

      this._callProtocolErrorHandlers(req);

      return;
    }

    var valid_request = reqStatus > 0 && reqStatus < 500;
    var too_many_retries = req.sends > this._conn.maxRetries;

    if (valid_request || too_many_retries) {
      // remove from internal queue
      this._removeRequest(req);

      Strophe.debug("request id " + req.id + " should now be removed");
    }

    if (reqStatus === 200) {
      // request succeeded
      var reqIs0 = this._requests[0] === req;
      var reqIs1 = this._requests[1] === req; // if request 1 finished, or request 0 finished and request
      // 1 is over Strophe.SECONDARY_TIMEOUT seconds old, we need to
      // restart the other - both will be in the first spot, as the
      // completed request has been removed from the queue already

      if (reqIs1 || reqIs0 && this._requests.length > 0 && this._requests[0].age() > Math.floor(Strophe.SECONDARY_TIMEOUT * this.wait)) {
        this._restartRequest(0);
      }

      this._conn.nextValidRid(Number(req.rid) + 1);

      Strophe.debug("request id " + req.id + "." + req.sends + " got 200");
      func(req); // call handler

      this.errors = 0;
    } else if (reqStatus === 0 || reqStatus >= 400 && reqStatus < 600 || reqStatus >= 12000) {
      // request failed
      Strophe.error("request id " + req.id + "." + req.sends + " error " + reqStatus + " happened");

      this._hitError(reqStatus);

      this._callProtocolErrorHandlers(req);

      if (reqStatus >= 400 && reqStatus < 500) {
        this._conn._changeConnectStatus(Strophe.Status.DISCONNECTING, null);

        this._conn._doDisconnect();
      }
    } else {
      Strophe.error("request id " + req.id + "." + req.sends + " error " + reqStatus + " happened");
    }

    if (!valid_request && !too_many_retries) {
      this._throttledRequestHandler();
    } else if (too_many_retries && !this._conn.connected) {
      this._conn._changeConnectStatus(Strophe.Status.CONNFAIL, "giving-up");
    }
  },

  /** PrivateFunction: _processRequest
   *  _Private_ function to process a request in the queue.
   *
   *  This function takes requests off the queue and sends them and
   *  restarts dead requests.
   *
   *  Parameters:
   *    (Integer) i - The index of the request in the queue.
   */
  _processRequest: function _processRequest(i) {
    var _this = this;

    var req = this._requests[i];

    var reqStatus = this._getRequestStatus(req, -1); // make sure we limit the number of retries


    if (req.sends > this._conn.maxRetries) {
      this._conn._onDisconnectTimeout();

      return;
    }

    var time_elapsed = req.age();
    var primary_timeout = !isNaN(time_elapsed) && time_elapsed > Math.floor(Strophe.TIMEOUT * this.wait);
    var secondary_timeout = req.dead !== null && req.timeDead() > Math.floor(Strophe.SECONDARY_TIMEOUT * this.wait);
    var server_error = req.xhr.readyState === 4 && (reqStatus < 1 || reqStatus >= 500);

    if (primary_timeout || secondary_timeout || server_error) {
      if (secondary_timeout) {
        Strophe.error("Request ".concat(this._requests[i].id, " timed out (secondary), restarting"));
      }

      req.abort = true;
      req.xhr.abort(); // setting to null fails on IE6, so set to empty function

      req.xhr.onreadystatechange = function () {};

      this._requests[i] = new Strophe.Request(req.xmlData, req.origFunc, req.rid, req.sends);
      req = this._requests[i];
    }

    if (req.xhr.readyState === 0) {
      Strophe.debug("request id " + req.id + "." + req.sends + " posting");

      try {
        var content_type = this._conn.options.contentType || "text/xml; charset=utf-8";
        req.xhr.open("POST", this._conn.service, this._conn.options.sync ? false : true);

        if (typeof req.xhr.setRequestHeader !== 'undefined') {
          // IE9 doesn't have setRequestHeader
          req.xhr.setRequestHeader("Content-Type", content_type);
        }

        if (this._conn.options.withCredentials) {
          req.xhr.withCredentials = true;
        }
      } catch (e2) {
        Strophe.error("XHR open failed: " + e2.toString());

        if (!this._conn.connected) {
          this._conn._changeConnectStatus(Strophe.Status.CONNFAIL, "bad-service");
        }

        this._conn.disconnect();

        return;
      } // Fires the XHR request -- may be invoked immediately
      // or on a gradually expanding retry window for reconnects


      var sendFunc = function sendFunc() {
        req.date = new Date();

        if (_this._conn.options.customHeaders) {
          var headers = _this._conn.options.customHeaders;

          for (var header in headers) {
            if (Object.prototype.hasOwnProperty.call(headers, header)) {
              req.xhr.setRequestHeader(header, headers[header]);
            }
          }
        }

        req.xhr.send(req.data);
      }; // Implement progressive backoff for reconnects --
      // First retry (send === 1) should also be instantaneous


      if (req.sends > 1) {
        // Using a cube of the retry number creates a nicely
        // expanding retry window
        var backoff = Math.min(Math.floor(Strophe.TIMEOUT * this.wait), Math.pow(req.sends, 3)) * 1000;
        setTimeout(function () {
          // XXX: setTimeout should be called only with function expressions (23974bc1)
          sendFunc();
        }, backoff);
      } else {
        sendFunc();
      }

      req.sends++;

      if (this._conn.xmlOutput !== Strophe.Connection.prototype.xmlOutput) {
        if (req.xmlData.nodeName === this.strip && req.xmlData.childNodes.length) {
          this._conn.xmlOutput(req.xmlData.childNodes[0]);
        } else {
          this._conn.xmlOutput(req.xmlData);
        }
      }

      if (this._conn.rawOutput !== Strophe.Connection.prototype.rawOutput) {
        this._conn.rawOutput(req.data);
      }
    } else {
      Strophe.debug("_processRequest: " + (i === 0 ? "first" : "second") + " request has readyState of " + req.xhr.readyState);
    }
  },

  /** PrivateFunction: _removeRequest
   *  _Private_ function to remove a request from the queue.
   *
   *  Parameters:
   *    (Strophe.Request) req - The request to remove.
   */
  _removeRequest: function _removeRequest(req) {
    Strophe.debug("removing request");

    for (var i = this._requests.length - 1; i >= 0; i--) {
      if (req === this._requests[i]) {
        this._requests.splice(i, 1);
      }
    } // IE6 fails on setting to null, so set to empty function


    req.xhr.onreadystatechange = function () {};

    this._throttledRequestHandler();
  },

  /** PrivateFunction: _restartRequest
   *  _Private_ function to restart a request that is presumed dead.
   *
   *  Parameters:
   *    (Integer) i - The index of the request in the queue.
   */
  _restartRequest: function _restartRequest(i) {
    var req = this._requests[i];

    if (req.dead === null) {
      req.dead = new Date();
    }

    this._processRequest(i);
  },

  /** PrivateFunction: _reqToData
   * _Private_ function to get a stanza out of a request.
   *
   * Tries to extract a stanza out of a Request Object.
   * When this fails the current connection will be disconnected.
   *
   *  Parameters:
   *    (Object) req - The Request.
   *
   *  Returns:
   *    The stanza that was passed.
   */
  _reqToData: function _reqToData(req) {
    try {
      return req.getResponse();
    } catch (e) {
      if (e.message !== "parsererror") {
        throw e;
      }

      this._conn.disconnect("strophe-parsererror");
    }
  },

  /** PrivateFunction: _sendTerminate
   *  _Private_ function to send initial disconnect sequence.
   *
   *  This is the first step in a graceful disconnect.  It sends
   *  the BOSH server a terminate body and includes an unavailable
   *  presence if authentication has completed.
   */
  _sendTerminate: function _sendTerminate(pres) {
    Strophe.info("_sendTerminate was called");

    var body = this._buildBody().attrs({
      type: "terminate"
    });

    if (pres) {
      body.cnode(pres.tree());
    }

    var req = new Strophe.Request(body.tree(), this._onRequestStateChange.bind(this, this._conn._dataRecv.bind(this._conn)), body.tree().getAttribute("rid"));

    this._requests.push(req);

    this._throttledRequestHandler();
  },

  /** PrivateFunction: _send
   *  _Private_ part of the Connection.send function for BOSH
   *
   * Just triggers the RequestHandler to send the messages that are in the queue
   */
  _send: function _send() {
    var _this2 = this;

    clearTimeout(this._conn._idleTimeout);

    this._throttledRequestHandler();

    this._conn._idleTimeout = setTimeout(function () {
      return _this2._conn._onIdle();
    }, 100);
  },

  /** PrivateFunction: _sendRestart
   *
   *  Send an xmpp:restart stanza.
   */
  _sendRestart: function _sendRestart() {
    this._throttledRequestHandler();

    clearTimeout(this._conn._idleTimeout);
  },

  /** PrivateFunction: _throttledRequestHandler
   *  _Private_ function to throttle requests to the connection window.
   *
   *  This function makes sure we don't send requests so fast that the
   *  request ids overflow the connection window in the case that one
   *  request died.
   */
  _throttledRequestHandler: function _throttledRequestHandler() {
    if (!this._requests) {
      Strophe.debug("_throttledRequestHandler called with " + "undefined requests");
    } else {
      Strophe.debug("_throttledRequestHandler called with " + this._requests.length + " requests");
    }

    if (!this._requests || this._requests.length === 0) {
      return;
    }

    if (this._requests.length > 0) {
      this._processRequest(0);
    }

    if (this._requests.length > 1 && Math.abs(this._requests[0].rid - this._requests[1].rid) < this.window) {
      this._processRequest(1);
    }
  }
};

/***/ }),

/***/ "./src/core.js":
/*!*********************!*\
  !*** ./src/core.js ***!
  \*********************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var md5__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! md5 */ "./src/md5.js");
/* harmony import */ var sha1__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! sha1 */ "./src/sha1.js");
/* harmony import */ var utils__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! utils */ "./src/utils.js");
function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread(); }

function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance"); }

function _iterableToArray(iter) { if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter); }

function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } }

function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

/*
    This program is distributed under the terms of the MIT license.
    Please see the LICENSE file for details.

    Copyright 2006-2018, OGG, LLC
*/

/*global define, document, sessionStorage, setTimeout, clearTimeout, ActiveXObject, DOMParser, btoa, atob, module */



/** Function: $build
 *  Create a Strophe.Builder.
 *  This is an alias for 'new Strophe.Builder(name, attrs)'.
 *
 *  Parameters:
 *    (String) name - The root element name.
 *    (Object) attrs - The attributes for the root element in object notation.
 *
 *  Returns:
 *    A new Strophe.Builder object.
 */

function $build(name, attrs) {
  return new Strophe.Builder(name, attrs);
}
/** Function: $msg
 *  Create a Strophe.Builder with a <message/> element as the root.
 *
 *  Parameters:
 *    (Object) attrs - The <message/> element attributes in object notation.
 *
 *  Returns:
 *    A new Strophe.Builder object.
 */


function $msg(attrs) {
  return new Strophe.Builder("message", attrs);
}
/** Function: $iq
 *  Create a Strophe.Builder with an <iq/> element as the root.
 *
 *  Parameters:
 *    (Object) attrs - The <iq/> element attributes in object notation.
 *
 *  Returns:
 *    A new Strophe.Builder object.
 */


function $iq(attrs) {
  return new Strophe.Builder("iq", attrs);
}
/** Function: $pres
 *  Create a Strophe.Builder with a <presence/> element as the root.
 *
 *  Parameters:
 *    (Object) attrs - The <presence/> element attributes in object notation.
 *
 *  Returns:
 *    A new Strophe.Builder object.
 */


function $pres(attrs) {
  return new Strophe.Builder("presence", attrs);
}
/** Class: Strophe
 *  An object container for all Strophe library functions.
 *
 *  This class is just a container for all the objects and constants
 *  used in the library.  It is not meant to be instantiated, but to
 *  provide a namespace for library objects, constants, and functions.
 */


var Strophe = {
  /** Constant: VERSION */
  VERSION: "1.3.0",

  /** Constants: XMPP Namespace Constants
   *  Common namespace constants from the XMPP RFCs and XEPs.
   *
   *  NS.HTTPBIND - HTTP BIND namespace from XEP 124.
   *  NS.BOSH - BOSH namespace from XEP 206.
   *  NS.CLIENT - Main XMPP client namespace.
   *  NS.AUTH - Legacy authentication namespace.
   *  NS.ROSTER - Roster operations namespace.
   *  NS.PROFILE - Profile namespace.
   *  NS.DISCO_INFO - Service discovery info namespace from XEP 30.
   *  NS.DISCO_ITEMS - Service discovery items namespace from XEP 30.
   *  NS.MUC - Multi-User Chat namespace from XEP 45.
   *  NS.SASL - XMPP SASL namespace from RFC 3920.
   *  NS.STREAM - XMPP Streams namespace from RFC 3920.
   *  NS.BIND - XMPP Binding namespace from RFC 3920.
   *  NS.SESSION - XMPP Session namespace from RFC 3920.
   *  NS.XHTML_IM - XHTML-IM namespace from XEP 71.
   *  NS.XHTML - XHTML body namespace from XEP 71.
   */
  NS: {
    HTTPBIND: "http://jabber.org/protocol/httpbind",
    BOSH: "urn:xmpp:xbosh",
    CLIENT: "jabber:client",
    AUTH: "jabber:iq:auth",
    ROSTER: "jabber:iq:roster",
    PROFILE: "jabber:iq:profile",
    DISCO_INFO: "http://jabber.org/protocol/disco#info",
    DISCO_ITEMS: "http://jabber.org/protocol/disco#items",
    MUC: "http://jabber.org/protocol/muc",
    SASL: "urn:ietf:params:xml:ns:xmpp-sasl",
    STREAM: "http://etherx.jabber.org/streams",
    FRAMING: "urn:ietf:params:xml:ns:xmpp-framing",
    BIND: "urn:ietf:params:xml:ns:xmpp-bind",
    SESSION: "urn:ietf:params:xml:ns:xmpp-session",
    VERSION: "jabber:iq:version",
    STANZAS: "urn:ietf:params:xml:ns:xmpp-stanzas",
    XHTML_IM: "http://jabber.org/protocol/xhtml-im",
    XHTML: "http://www.w3.org/1999/xhtml"
  },

  /** Constants: XHTML_IM Namespace
   *  contains allowed tags, tag attributes, and css properties.
   *  Used in the createHtml function to filter incoming html into the allowed XHTML-IM subset.
   *  See http://xmpp.org/extensions/xep-0071.html#profile-summary for the list of recommended
   *  allowed tags and their attributes.
   */
  XHTML: {
    tags: ['a', 'blockquote', 'br', 'cite', 'em', 'img', 'li', 'ol', 'p', 'span', 'strong', 'ul', 'body'],
    attributes: {
      'a': ['href'],
      'blockquote': ['style'],
      'br': [],
      'cite': ['style'],
      'em': [],
      'img': ['src', 'alt', 'style', 'height', 'width'],
      'li': ['style'],
      'ol': ['style'],
      'p': ['style'],
      'span': ['style'],
      'strong': [],
      'ul': ['style'],
      'body': []
    },
    css: ['background-color', 'color', 'font-family', 'font-size', 'font-style', 'font-weight', 'margin-left', 'margin-right', 'text-align', 'text-decoration'],

    /** Function: XHTML.validTag
     *
     * Utility method to determine whether a tag is allowed
     * in the XHTML_IM namespace.
     *
     * XHTML tag names are case sensitive and must be lower case.
     */
    validTag: function validTag(tag) {
      for (var i = 0; i < Strophe.XHTML.tags.length; i++) {
        if (tag === Strophe.XHTML.tags[i]) {
          return true;
        }
      }

      return false;
    },

    /** Function: XHTML.validAttribute
     *
     * Utility method to determine whether an attribute is allowed
     * as recommended per XEP-0071
     *
     * XHTML attribute names are case sensitive and must be lower case.
     */
    validAttribute: function validAttribute(tag, attribute) {
      if (typeof Strophe.XHTML.attributes[tag] !== 'undefined' && Strophe.XHTML.attributes[tag].length > 0) {
        for (var i = 0; i < Strophe.XHTML.attributes[tag].length; i++) {
          if (attribute === Strophe.XHTML.attributes[tag][i]) {
            return true;
          }
        }
      }

      return false;
    },
    validCSS: function validCSS(style) {
      for (var i = 0; i < Strophe.XHTML.css.length; i++) {
        if (style === Strophe.XHTML.css[i]) {
          return true;
        }
      }

      return false;
    }
  },

  /** Constants: Connection Status Constants
   *  Connection status constants for use by the connection handler
   *  callback.
   *
   *  Status.ERROR - An error has occurred
   *  Status.CONNECTING - The connection is currently being made
   *  Status.CONNFAIL - The connection attempt failed
   *  Status.AUTHENTICATING - The connection is authenticating
   *  Status.AUTHFAIL - The authentication attempt failed
   *  Status.CONNECTED - The connection has succeeded
   *  Status.DISCONNECTED - The connection has been terminated
   *  Status.DISCONNECTING - The connection is currently being terminated
   *  Status.ATTACHED - The connection has been attached
   *  Status.REDIRECT - The connection has been redirected
   *  Status.CONNTIMEOUT - The connection has timed out
   */
  Status: {
    ERROR: 0,
    CONNECTING: 1,
    CONNFAIL: 2,
    AUTHENTICATING: 3,
    AUTHFAIL: 4,
    CONNECTED: 5,
    DISCONNECTED: 6,
    DISCONNECTING: 7,
    ATTACHED: 8,
    REDIRECT: 9,
    CONNTIMEOUT: 10
  },
  ErrorCondition: {
    BAD_FORMAT: "bad-format",
    CONFLICT: "conflict",
    MISSING_JID_NODE: "x-strophe-bad-non-anon-jid",
    NO_AUTH_MECH: "no-auth-mech",
    UNKNOWN_REASON: "unknown"
  },

  /** Constants: Log Level Constants
   *  Logging level indicators.
   *
   *  LogLevel.DEBUG - Debug output
   *  LogLevel.INFO - Informational output
   *  LogLevel.WARN - Warnings
   *  LogLevel.ERROR - Errors
   *  LogLevel.FATAL - Fatal errors
   */
  LogLevel: {
    DEBUG: 0,
    INFO: 1,
    WARN: 2,
    ERROR: 3,
    FATAL: 4
  },

  /** PrivateConstants: DOM Element Type Constants
   *  DOM element types.
   *
   *  ElementType.NORMAL - Normal element.
   *  ElementType.TEXT - Text data element.
   *  ElementType.FRAGMENT - XHTML fragment element.
   */
  ElementType: {
    NORMAL: 1,
    TEXT: 3,
    CDATA: 4,
    FRAGMENT: 11
  },

  /** PrivateConstants: Timeout Values
   *  Timeout values for error states.  These values are in seconds.
   *  These should not be changed unless you know exactly what you are
   *  doing.
   *
   *  TIMEOUT - Timeout multiplier. A waiting request will be considered
   *      failed after Math.floor(TIMEOUT * wait) seconds have elapsed.
   *      This defaults to 1.1, and with default wait, 66 seconds.
   *  SECONDARY_TIMEOUT - Secondary timeout multiplier. In cases where
   *      Strophe can detect early failure, it will consider the request
   *      failed if it doesn't return after
   *      Math.floor(SECONDARY_TIMEOUT * wait) seconds have elapsed.
   *      This defaults to 0.1, and with default wait, 6 seconds.
   */
  TIMEOUT: 1.1,
  SECONDARY_TIMEOUT: 0.1,

  /** Function: addNamespace
   *  This function is used to extend the current namespaces in
   *  Strophe.NS.  It takes a key and a value with the key being the
   *  name of the new namespace, with its actual value.
   *  For example:
   *  Strophe.addNamespace('PUBSUB', "http://jabber.org/protocol/pubsub");
   *
   *  Parameters:
   *    (String) name - The name under which the namespace will be
   *      referenced under Strophe.NS
   *    (String) value - The actual namespace.
   */
  addNamespace: function addNamespace(name, value) {
    Strophe.NS[name] = value;
  },

  /** Function: forEachChild
   *  Map a function over some or all child elements of a given element.
   *
   *  This is a small convenience function for mapping a function over
   *  some or all of the children of an element.  If elemName is null, all
   *  children will be passed to the function, otherwise only children
   *  whose tag names match elemName will be passed.
   *
   *  Parameters:
   *    (XMLElement) elem - The element to operate on.
   *    (String) elemName - The child element tag name filter.
   *    (Function) func - The function to apply to each child.  This
   *      function should take a single argument, a DOM element.
   */
  forEachChild: function forEachChild(elem, elemName, func) {
    for (var i = 0; i < elem.childNodes.length; i++) {
      var childNode = elem.childNodes[i];

      if (childNode.nodeType === Strophe.ElementType.NORMAL && (!elemName || this.isTagEqual(childNode, elemName))) {
        func(childNode);
      }
    }
  },

  /** Function: isTagEqual
   *  Compare an element's tag name with a string.
   *
   *  This function is case sensitive.
   *
   *  Parameters:
   *    (XMLElement) el - A DOM element.
   *    (String) name - The element name.
   *
   *  Returns:
   *    true if the element's tag name matches _el_, and false
   *    otherwise.
   */
  isTagEqual: function isTagEqual(el, name) {
    return el.tagName === name;
  },

  /** PrivateVariable: _xmlGenerator
   *  _Private_ variable that caches a DOM document to
   *  generate elements.
   */
  _xmlGenerator: null,

  /** PrivateFunction: _makeGenerator
   *  _Private_ function that creates a dummy XML DOM document to serve as
   *  an element and text node generator.
   */
  _makeGenerator: function _makeGenerator() {
    var doc; // IE9 does implement createDocument(); however, using it will cause the browser to leak memory on page unload.
    // Here, we test for presence of createDocument() plus IE's proprietary documentMode attribute, which would be
    // less than 10 in the case of IE9 and below.

    if (document.implementation.createDocument === undefined || document.implementation.createDocument && document.documentMode && document.documentMode < 10) {
      doc = this._getIEXmlDom();
      doc.appendChild(doc.createElement('strophe'));
    } else {
      doc = document.implementation.createDocument('jabber:client', 'strophe', null);
    }

    return doc;
  },

  /** Function: xmlGenerator
   *  Get the DOM document to generate elements.
   *
   *  Returns:
   *    The currently used DOM document.
   */
  xmlGenerator: function xmlGenerator() {
    if (!Strophe._xmlGenerator) {
      Strophe._xmlGenerator = Strophe._makeGenerator();
    }

    return Strophe._xmlGenerator;
  },

  /** PrivateFunction: _getIEXmlDom
   *  Gets IE xml doc object
   *
   *  Returns:
   *    A Microsoft XML DOM Object
   *  See Also:
   *    http://msdn.microsoft.com/en-us/library/ms757837%28VS.85%29.aspx
   */
  _getIEXmlDom: function _getIEXmlDom() {
    var doc = null;
    var docStrings = ["Msxml2.DOMDocument.6.0", "Msxml2.DOMDocument.5.0", "Msxml2.DOMDocument.4.0", "MSXML2.DOMDocument.3.0", "MSXML2.DOMDocument", "MSXML.DOMDocument", "Microsoft.XMLDOM"];

    for (var d = 0; d < docStrings.length; d++) {
      if (doc === null) {
        try {
          doc = new ActiveXObject(docStrings[d]);
        } catch (e) {
          doc = null;
        }
      } else {
        break;
      }
    }

    return doc;
  },

  /** Function: xmlElement
   *  Create an XML DOM element.
   *
   *  This function creates an XML DOM element correctly across all
   *  implementations. Note that these are not HTML DOM elements, which
   *  aren't appropriate for XMPP stanzas.
   *
   *  Parameters:
   *    (String) name - The name for the element.
   *    (Array|Object) attrs - An optional array or object containing
   *      key/value pairs to use as element attributes. The object should
   *      be in the format {'key': 'value'} or {key: 'value'}. The array
   *      should have the format [['key1', 'value1'], ['key2', 'value2']].
   *    (String) text - The text child data for the element.
   *
   *  Returns:
   *    A new XML DOM element.
   */
  xmlElement: function xmlElement(name) {
    if (!name) {
      return null;
    }

    var node = Strophe.xmlGenerator().createElement(name); // FIXME: this should throw errors if args are the wrong type or
    // there are more than two optional args

    for (var a = 1; a < arguments.length; a++) {
      var arg = arguments[a];

      if (!arg) {
        continue;
      }

      if (typeof arg === "string" || typeof arg === "number") {
        node.appendChild(Strophe.xmlTextNode(arg));
      } else if (_typeof(arg) === "object" && typeof arg.sort === "function") {
        for (var i = 0; i < arg.length; i++) {
          var attr = arg[i];

          if (_typeof(attr) === "object" && typeof attr.sort === "function" && attr[1] !== undefined && attr[1] !== null) {
            node.setAttribute(attr[0], attr[1]);
          }
        }
      } else if (_typeof(arg) === "object") {
        for (var k in arg) {
          if (Object.prototype.hasOwnProperty.call(arg, k) && arg[k] !== undefined && arg[k] !== null) {
            node.setAttribute(k, arg[k]);
          }
        }
      }
    }

    return node;
  },

  /*  Function: xmlescape
   *  Excapes invalid xml characters.
   *
   *  Parameters:
   *     (String) text - text to escape.
   *
   *  Returns:
   *      Escaped text.
   */
  xmlescape: function xmlescape(text) {
    text = text.replace(/\&/g, "&amp;");
    text = text.replace(/</g, "&lt;");
    text = text.replace(/>/g, "&gt;");
    text = text.replace(/'/g, "&apos;");
    text = text.replace(/"/g, "&quot;");
    return text;
  },

  /*  Function: xmlunescape
  *  Unexcapes invalid xml characters.
  *
  *  Parameters:
  *     (String) text - text to unescape.
  *
  *  Returns:
  *      Unescaped text.
  */
  xmlunescape: function xmlunescape(text) {
    text = text.replace(/\&amp;/g, "&");
    text = text.replace(/&lt;/g, "<");
    text = text.replace(/&gt;/g, ">");
    text = text.replace(/&apos;/g, "'");
    text = text.replace(/&quot;/g, "\"");
    return text;
  },

  /** Function: xmlTextNode
   *  Creates an XML DOM text node.
   *
   *  Provides a cross implementation version of document.createTextNode.
   *
   *  Parameters:
   *    (String) text - The content of the text node.
   *
   *  Returns:
   *    A new XML DOM text node.
   */
  xmlTextNode: function xmlTextNode(text) {
    return Strophe.xmlGenerator().createTextNode(text);
  },

  /** Function: xmlHtmlNode
   *  Creates an XML DOM html node.
   *
   *  Parameters:
   *    (String) html - The content of the html node.
   *
   *  Returns:
   *    A new XML DOM text node.
   */
  xmlHtmlNode: function xmlHtmlNode(html) {
    var node; //ensure text is escaped

    if (DOMParser) {
      var parser = new DOMParser();
      node = parser.parseFromString(html, "text/xml");
    } else {
      node = new ActiveXObject("Microsoft.XMLDOM");
      node.async = "false";
      node.loadXML(html);
    }

    return node;
  },

  /** Function: getText
   *  Get the concatenation of all text children of an element.
   *
   *  Parameters:
   *    (XMLElement) elem - A DOM element.
   *
   *  Returns:
   *    A String with the concatenated text of all text element children.
   */
  getText: function getText(elem) {
    if (!elem) {
      return null;
    }

    var str = "";

    if (elem.childNodes.length === 0 && elem.nodeType === Strophe.ElementType.TEXT) {
      str += elem.nodeValue;
    }

    for (var i = 0; i < elem.childNodes.length; i++) {
      if (elem.childNodes[i].nodeType === Strophe.ElementType.TEXT) {
        str += elem.childNodes[i].nodeValue;
      }
    }

    return Strophe.xmlescape(str);
  },

  /** Function: copyElement
   *  Copy an XML DOM element.
   *
   *  This function copies a DOM element and all its descendants and returns
   *  the new copy.
   *
   *  Parameters:
   *    (XMLElement) elem - A DOM element.
   *
   *  Returns:
   *    A new, copied DOM element tree.
   */
  copyElement: function copyElement(elem) {
    var el;

    if (elem.nodeType === Strophe.ElementType.NORMAL) {
      el = Strophe.xmlElement(elem.tagName);

      for (var i = 0; i < elem.attributes.length; i++) {
        el.setAttribute(elem.attributes[i].nodeName, elem.attributes[i].value);
      }

      for (var _i = 0; _i < elem.childNodes.length; _i++) {
        el.appendChild(Strophe.copyElement(elem.childNodes[_i]));
      }
    } else if (elem.nodeType === Strophe.ElementType.TEXT) {
      el = Strophe.xmlGenerator().createTextNode(elem.nodeValue);
    }

    return el;
  },

  /** Function: createHtml
   *  Copy an HTML DOM element into an XML DOM.
   *
   *  This function copies a DOM element and all its descendants and returns
   *  the new copy.
   *
   *  Parameters:
   *    (HTMLElement) elem - A DOM element.
   *
   *  Returns:
   *    A new, copied DOM element tree.
   */
  createHtml: function createHtml(elem) {
    var el;

    if (elem.nodeType === Strophe.ElementType.NORMAL) {
      var tag = elem.nodeName.toLowerCase(); // XHTML tags must be lower case.

      if (Strophe.XHTML.validTag(tag)) {
        try {
          el = Strophe.xmlElement(tag);

          for (var i = 0; i < Strophe.XHTML.attributes[tag].length; i++) {
            var attribute = Strophe.XHTML.attributes[tag][i];
            var value = elem.getAttribute(attribute);

            if (typeof value === 'undefined' || value === null || value === '' || value === false || value === 0) {
              continue;
            }

            if (attribute === 'style' && _typeof(value) === 'object' && typeof value.cssText !== 'undefined') {
              value = value.cssText; // we're dealing with IE, need to get CSS out
            } // filter out invalid css styles


            if (attribute === 'style') {
              var css = [];
              var cssAttrs = value.split(';');

              for (var j = 0; j < cssAttrs.length; j++) {
                var attr = cssAttrs[j].split(':');
                var cssName = attr[0].replace(/^\s*/, "").replace(/\s*$/, "").toLowerCase();

                if (Strophe.XHTML.validCSS(cssName)) {
                  var cssValue = attr[1].replace(/^\s*/, "").replace(/\s*$/, "");
                  css.push(cssName + ': ' + cssValue);
                }
              }

              if (css.length > 0) {
                value = css.join('; ');
                el.setAttribute(attribute, value);
              }
            } else {
              el.setAttribute(attribute, value);
            }
          }

          for (var _i2 = 0; _i2 < elem.childNodes.length; _i2++) {
            el.appendChild(Strophe.createHtml(elem.childNodes[_i2]));
          }
        } catch (e) {
          // invalid elements
          el = Strophe.xmlTextNode('');
        }
      } else {
        el = Strophe.xmlGenerator().createDocumentFragment();

        for (var _i3 = 0; _i3 < elem.childNodes.length; _i3++) {
          el.appendChild(Strophe.createHtml(elem.childNodes[_i3]));
        }
      }
    } else if (elem.nodeType === Strophe.ElementType.FRAGMENT) {
      el = Strophe.xmlGenerator().createDocumentFragment();

      for (var _i4 = 0; _i4 < elem.childNodes.length; _i4++) {
        el.appendChild(Strophe.createHtml(elem.childNodes[_i4]));
      }
    } else if (elem.nodeType === Strophe.ElementType.TEXT) {
      el = Strophe.xmlTextNode(elem.nodeValue);
    }

    return el;
  },

  /** Function: escapeNode
   *  Escape the node part (also called local part) of a JID.
   *
   *  Parameters:
   *    (String) node - A node (or local part).
   *
   *  Returns:
   *    An escaped node (or local part).
   */
  escapeNode: function escapeNode(node) {
    if (typeof node !== "string") {
      return node;
    }

    return node.replace(/^\s+|\s+$/g, '').replace(/\\/g, "\\5c").replace(/ /g, "\\20").replace(/\"/g, "\\22").replace(/\&/g, "\\26").replace(/\'/g, "\\27").replace(/\//g, "\\2f").replace(/:/g, "\\3a").replace(/</g, "\\3c").replace(/>/g, "\\3e").replace(/@/g, "\\40");
  },

  /** Function: unescapeNode
   *  Unescape a node part (also called local part) of a JID.
   *
   *  Parameters:
   *    (String) node - A node (or local part).
   *
   *  Returns:
   *    An unescaped node (or local part).
   */
  unescapeNode: function unescapeNode(node) {
    if (typeof node !== "string") {
      return node;
    }

    return node.replace(/\\20/g, " ").replace(/\\22/g, '"').replace(/\\26/g, "&").replace(/\\27/g, "'").replace(/\\2f/g, "/").replace(/\\3a/g, ":").replace(/\\3c/g, "<").replace(/\\3e/g, ">").replace(/\\40/g, "@").replace(/\\5c/g, "\\");
  },

  /** Function: getNodeFromJid
   *  Get the node portion of a JID String.
   *
   *  Parameters:
   *    (String) jid - A JID.
   *
   *  Returns:
   *    A String containing the node.
   */
  getNodeFromJid: function getNodeFromJid(jid) {
    if (jid.indexOf("@") < 0) {
      return null;
    }

    return jid.split("@")[0];
  },

  /** Function: getDomainFromJid
   *  Get the domain portion of a JID String.
   *
   *  Parameters:
   *    (String) jid - A JID.
   *
   *  Returns:
   *    A String containing the domain.
   */
  getDomainFromJid: function getDomainFromJid(jid) {
    var bare = Strophe.getBareJidFromJid(jid);

    if (bare.indexOf("@") < 0) {
      return bare;
    } else {
      var parts = bare.split("@");
      parts.splice(0, 1);
      return parts.join('@');
    }
  },

  /** Function: getResourceFromJid
   *  Get the resource portion of a JID String.
   *
   *  Parameters:
   *    (String) jid - A JID.
   *
   *  Returns:
   *    A String containing the resource.
   */
  getResourceFromJid: function getResourceFromJid(jid) {
    var s = jid.split("/");

    if (s.length < 2) {
      return null;
    }

    s.splice(0, 1);
    return s.join('/');
  },

  /** Function: getBareJidFromJid
   *  Get the bare JID from a JID String.
   *
   *  Parameters:
   *    (String) jid - A JID.
   *
   *  Returns:
   *    A String containing the bare JID.
   */
  getBareJidFromJid: function getBareJidFromJid(jid) {
    return jid ? jid.split("/")[0] : null;
  },

  /** PrivateFunction: _handleError
   *  _Private_ function that properly logs an error to the console
   */
  _handleError: function _handleError(e) {
    if (typeof e.stack !== "undefined") {
      Strophe.fatal(e.stack);
    }

    if (e.sourceURL) {
      Strophe.fatal("error: " + this.handler + " " + e.sourceURL + ":" + e.line + " - " + e.name + ": " + e.message);
    } else if (e.fileName) {
      Strophe.fatal("error: " + this.handler + " " + e.fileName + ":" + e.lineNumber + " - " + e.name + ": " + e.message);
    } else {
      Strophe.fatal("error: " + e.message);
    }
  },

  /** Function: log
   *  User overrideable logging function.
   *
   *  This function is called whenever the Strophe library calls any
   *  of the logging functions.  The default implementation of this
   *  function logs only fatal errors.  If client code wishes to handle the logging
   *  messages, it should override this with
   *  > Strophe.log = function (level, msg) {
   *  >   (user code here)
   *  > };
   *
   *  Please note that data sent and received over the wire is logged
   *  via Strophe.Connection.rawInput() and Strophe.Connection.rawOutput().
   *
   *  The different levels and their meanings are
   *
   *    DEBUG - Messages useful for debugging purposes.
   *    INFO - Informational messages.  This is mostly information like
   *      'disconnect was called' or 'SASL auth succeeded'.
   *    WARN - Warnings about potential problems.  This is mostly used
   *      to report transient connection errors like request timeouts.
   *    ERROR - Some error occurred.
   *    FATAL - A non-recoverable fatal error occurred.
   *
   *  Parameters:
   *    (Integer) level - The log level of the log message.  This will
   *      be one of the values in Strophe.LogLevel.
   *    (String) msg - The log message.
   */
  log: function log(level, msg) {
    if (level === this.LogLevel.FATAL && _typeof(window.console) === 'object' && typeof window.console.error === 'function') {
      window.console.error(msg);
    }
  },

  /** Function: debug
   *  Log a message at the Strophe.LogLevel.DEBUG level.
   *
   *  Parameters:
   *    (String) msg - The log message.
   */
  debug: function debug(msg) {
    this.log(this.LogLevel.DEBUG, msg);
  },

  /** Function: info
   *  Log a message at the Strophe.LogLevel.INFO level.
   *
   *  Parameters:
   *    (String) msg - The log message.
   */
  info: function info(msg) {
    this.log(this.LogLevel.INFO, msg);
  },

  /** Function: warn
   *  Log a message at the Strophe.LogLevel.WARN level.
   *
   *  Parameters:
   *    (String) msg - The log message.
   */
  warn: function warn(msg) {
    this.log(this.LogLevel.WARN, msg);
  },

  /** Function: error
   *  Log a message at the Strophe.LogLevel.ERROR level.
   *
   *  Parameters:
   *    (String) msg - The log message.
   */
  error: function error(msg) {
    this.log(this.LogLevel.ERROR, msg);
  },

  /** Function: fatal
   *  Log a message at the Strophe.LogLevel.FATAL level.
   *
   *  Parameters:
   *    (String) msg - The log message.
   */
  fatal: function fatal(msg) {
    this.log(this.LogLevel.FATAL, msg);
  },

  /** Function: serialize
   *  Render a DOM element and all descendants to a String.
   *
   *  Parameters:
   *    (XMLElement) elem - A DOM element.
   *
   *  Returns:
   *    The serialized element tree as a String.
   */
  serialize: function serialize(elem) {
    if (!elem) {
      return null;
    }

    if (typeof elem.tree === "function") {
      elem = elem.tree();
    }

    var names = _toConsumableArray(Array(elem.attributes.length).keys()).map(function (i) {
      return elem.attributes[i].nodeName;
    });

    names.sort();
    var result = names.reduce(function (a, n) {
      return "".concat(a, " ").concat(n, "=\"").concat(Strophe.xmlescape(elem.attributes.getNamedItem(n).value), "\"");
    }, "<".concat(elem.nodeName));

    if (elem.childNodes.length > 0) {
      result += ">";

      for (var i = 0; i < elem.childNodes.length; i++) {
        var child = elem.childNodes[i];

        switch (child.nodeType) {
          case Strophe.ElementType.NORMAL:
            // normal element, so recurse
            result += Strophe.serialize(child);
            break;

          case Strophe.ElementType.TEXT:
            // text element to escape values
            result += Strophe.xmlescape(child.nodeValue);
            break;

          case Strophe.ElementType.CDATA:
            // cdata section so don't escape values
            result += "<![CDATA[" + child.nodeValue + "]]>";
        }
      }

      result += "</" + elem.nodeName + ">";
    } else {
      result += "/>";
    }

    return result;
  },

  /** PrivateVariable: _requestId
   *  _Private_ variable that keeps track of the request ids for
   *  connections.
   */
  _requestId: 0,

  /** PrivateVariable: Strophe.connectionPlugins
   *  _Private_ variable Used to store plugin names that need
   *  initialization on Strophe.Connection construction.
   */
  _connectionPlugins: {},

  /** Function: addConnectionPlugin
   *  Extends the Strophe.Connection object with the given plugin.
   *
   *  Parameters:
   *    (String) name - The name of the extension.
   *    (Object) ptype - The plugin's prototype.
   */
  addConnectionPlugin: function addConnectionPlugin(name, ptype) {
    Strophe._connectionPlugins[name] = ptype;
  }
};
/** Class: Strophe.Builder
 *  XML DOM builder.
 *
 *  This object provides an interface similar to JQuery but for building
 *  DOM elements easily and rapidly.  All the functions except for toString()
 *  and tree() return the object, so calls can be chained.  Here's an
 *  example using the $iq() builder helper.
 *  > $iq({to: 'you', from: 'me', type: 'get', id: '1'})
 *  >     .c('query', {xmlns: 'strophe:example'})
 *  >     .c('example')
 *  >     .toString()
 *
 *  The above generates this XML fragment
 *  > <iq to='you' from='me' type='get' id='1'>
 *  >   <query xmlns='strophe:example'>
 *  >     <example/>
 *  >   </query>
 *  > </iq>
 *  The corresponding DOM manipulations to get a similar fragment would be
 *  a lot more tedious and probably involve several helper variables.
 *
 *  Since adding children makes new operations operate on the child, up()
 *  is provided to traverse up the tree.  To add two children, do
 *  > builder.c('child1', ...).up().c('child2', ...)
 *  The next operation on the Builder will be relative to the second child.
 */

/** Constructor: Strophe.Builder
 *  Create a Strophe.Builder object.
 *
 *  The attributes should be passed in object notation.  For example
 *  > let b = new Builder('message', {to: 'you', from: 'me'});
 *  or
 *  > let b = new Builder('messsage', {'xml:lang': 'en'});
 *
 *  Parameters:
 *    (String) name - The name of the root element.
 *    (Object) attrs - The attributes for the root element in object notation.
 *
 *  Returns:
 *    A new Strophe.Builder.
 */

Strophe.Builder = function (name, attrs) {
  // Set correct namespace for jabber:client elements
  if (name === "presence" || name === "message" || name === "iq") {
    if (attrs && !attrs.xmlns) {
      attrs.xmlns = Strophe.NS.CLIENT;
    } else if (!attrs) {
      attrs = {
        xmlns: Strophe.NS.CLIENT
      };
    }
  } // Holds the tree being built.


  this.nodeTree = Strophe.xmlElement(name, attrs); // Points to the current operation node.

  this.node = this.nodeTree;
};

Strophe.Builder.prototype = {
  /** Function: tree
   *  Return the DOM tree.
   *
   *  This function returns the current DOM tree as an element object.  This
   *  is suitable for passing to functions like Strophe.Connection.send().
   *
   *  Returns:
   *    The DOM tree as a element object.
   */
  tree: function tree() {
    return this.nodeTree;
  },

  /** Function: toString
   *  Serialize the DOM tree to a String.
   *
   *  This function returns a string serialization of the current DOM
   *  tree.  It is often used internally to pass data to a
   *  Strophe.Request object.
   *
   *  Returns:
   *    The serialized DOM tree in a String.
   */
  toString: function toString() {
    return Strophe.serialize(this.nodeTree);
  },

  /** Function: up
   *  Make the current parent element the new current element.
   *
   *  This function is often used after c() to traverse back up the tree.
   *  For example, to add two children to the same element
   *  > builder.c('child1', {}).up().c('child2', {});
   *
   *  Returns:
   *    The Stophe.Builder object.
   */
  up: function up() {
    this.node = this.node.parentNode;
    return this;
  },

  /** Function: root
   *  Make the root element the new current element.
   *
   *  When at a deeply nested element in the tree, this function can be used
   *  to jump back to the root of the tree, instead of having to repeatedly
   *  call up().
   *
   *  Returns:
   *    The Stophe.Builder object.
   */
  root: function root() {
    this.node = this.nodeTree;
    return this;
  },

  /** Function: attrs
   *  Add or modify attributes of the current element.
   *
   *  The attributes should be passed in object notation.  This function
   *  does not move the current element pointer.
   *
   *  Parameters:
   *    (Object) moreattrs - The attributes to add/modify in object notation.
   *
   *  Returns:
   *    The Strophe.Builder object.
   */
  attrs: function attrs(moreattrs) {
    for (var k in moreattrs) {
      if (Object.prototype.hasOwnProperty.call(moreattrs, k)) {
        if (moreattrs[k] === undefined) {
          this.node.removeAttribute(k);
        } else {
          this.node.setAttribute(k, moreattrs[k]);
        }
      }
    }

    return this;
  },

  /** Function: c
   *  Add a child to the current element and make it the new current
   *  element.
   *
   *  This function moves the current element pointer to the child,
   *  unless text is provided.  If you need to add another child, it
   *  is necessary to use up() to go back to the parent in the tree.
   *
   *  Parameters:
   *    (String) name - The name of the child.
   *    (Object) attrs - The attributes of the child in object notation.
   *    (String) text - The text to add to the child.
   *
   *  Returns:
   *    The Strophe.Builder object.
   */
  c: function c(name, attrs, text) {
    var child = Strophe.xmlElement(name, attrs, text);
    this.node.appendChild(child);

    if (typeof text !== "string" && typeof text !== "number") {
      this.node = child;
    }

    return this;
  },

  /** Function: cnode
   *  Add a child to the current element and make it the new current
   *  element.
   *
   *  This function is the same as c() except that instead of using a
   *  name and an attributes object to create the child it uses an
   *  existing DOM element object.
   *
   *  Parameters:
   *    (XMLElement) elem - A DOM element.
   *
   *  Returns:
   *    The Strophe.Builder object.
   */
  cnode: function cnode(elem) {
    var impNode;
    var xmlGen = Strophe.xmlGenerator();

    try {
      impNode = xmlGen.importNode !== undefined;
    } catch (e) {
      impNode = false;
    }

    var newElem = impNode ? xmlGen.importNode(elem, true) : Strophe.copyElement(elem);
    this.node.appendChild(newElem);
    this.node = newElem;
    return this;
  },

  /** Function: t
   *  Add a child text element.
   *
   *  This *does not* make the child the new current element since there
   *  are no children of text elements.
   *
   *  Parameters:
   *    (String) text - The text data to append to the current element.
   *
   *  Returns:
   *    The Strophe.Builder object.
   */
  t: function t(text) {
    var child = Strophe.xmlTextNode(text);
    this.node.appendChild(child);
    return this;
  },

  /** Function: h
   *  Replace current element contents with the HTML passed in.
   *
   *  This *does not* make the child the new current element
   *
   *  Parameters:
   *    (String) html - The html to insert as contents of current element.
   *
   *  Returns:
   *    The Strophe.Builder object.
   */
  h: function h(html) {
    var fragment = document.createElement('body'); // force the browser to try and fix any invalid HTML tags

    fragment.innerHTML = html; // copy cleaned html into an xml dom

    var xhtml = Strophe.createHtml(fragment);

    while (xhtml.childNodes.length > 0) {
      this.node.appendChild(xhtml.childNodes[0]);
    }

    return this;
  }
};
/** PrivateClass: Strophe.Handler
 *  _Private_ helper class for managing stanza handlers.
 *
 *  A Strophe.Handler encapsulates a user provided callback function to be
 *  executed when matching stanzas are received by the connection.
 *  Handlers can be either one-off or persistant depending on their
 *  return value. Returning true will cause a Handler to remain active, and
 *  returning false will remove the Handler.
 *
 *  Users will not use Strophe.Handler objects directly, but instead they
 *  will use Strophe.Connection.addHandler() and
 *  Strophe.Connection.deleteHandler().
 */

/** PrivateConstructor: Strophe.Handler
 *  Create and initialize a new Strophe.Handler.
 *
 *  Parameters:
 *    (Function) handler - A function to be executed when the handler is run.
 *    (String) ns - The namespace to match.
 *    (String) name - The element name to match.
 *    (String) type - The element type to match.
 *    (String) id - The element id attribute to match.
 *    (String) from - The element from attribute to match.
 *    (Object) options - Handler options
 *
 *  Returns:
 *    A new Strophe.Handler object.
 */

Strophe.Handler = function (handler, ns, name, type, id, from, options) {
  this.handler = handler;
  this.ns = ns;
  this.name = name;
  this.type = type;
  this.id = id;
  this.options = options || {
    'matchBareFromJid': false,
    'ignoreNamespaceFragment': false
  }; // BBB: Maintain backward compatibility with old `matchBare` option

  if (this.options.matchBare) {
    Strophe.warn('The "matchBare" option is deprecated, use "matchBareFromJid" instead.');
    this.options.matchBareFromJid = this.options.matchBare;
    delete this.options.matchBare;
  }

  if (this.options.matchBareFromJid) {
    this.from = from ? Strophe.getBareJidFromJid(from) : null;
  } else {
    this.from = from;
  } // whether the handler is a user handler or a system handler


  this.user = true;
};

Strophe.Handler.prototype = {
  /** PrivateFunction: getNamespace
   *  Returns the XML namespace attribute on an element.
   *  If `ignoreNamespaceFragment` was passed in for this handler, then the
   *  URL fragment will be stripped.
   *
   *  Parameters:
   *    (XMLElement) elem - The XML element with the namespace.
   *
   *  Returns:
   *    The namespace, with optionally the fragment stripped.
   */
  getNamespace: function getNamespace(elem) {
    var elNamespace = elem.getAttribute("xmlns");

    if (elNamespace && this.options.ignoreNamespaceFragment) {
      elNamespace = elNamespace.split('#')[0];
    }

    return elNamespace;
  },

  /** PrivateFunction: namespaceMatch
   *  Tests if a stanza matches the namespace set for this Strophe.Handler.
   *
   *  Parameters:
   *    (XMLElement) elem - The XML element to test.
   *
   *  Returns:
   *    true if the stanza matches and false otherwise.
   */
  namespaceMatch: function namespaceMatch(elem) {
    var _this = this;

    var nsMatch = false;

    if (!this.ns) {
      return true;
    } else {
      Strophe.forEachChild(elem, null, function (elem) {
        if (_this.getNamespace(elem) === _this.ns) {
          nsMatch = true;
        }
      });
      return nsMatch || this.getNamespace(elem) === this.ns;
    }
  },

  /** PrivateFunction: isMatch
   *  Tests if a stanza matches the Strophe.Handler.
   *
   *  Parameters:
   *    (XMLElement) elem - The XML element to test.
   *
   *  Returns:
   *    true if the stanza matches and false otherwise.
   */
  isMatch: function isMatch(elem) {
    var from = elem.getAttribute('from');

    if (this.options.matchBareFromJid) {
      from = Strophe.getBareJidFromJid(from);
    }

    var elem_type = elem.getAttribute("type");

    if (this.namespaceMatch(elem) && (!this.name || Strophe.isTagEqual(elem, this.name)) && (!this.type || (Array.isArray(this.type) ? this.type.indexOf(elem_type) !== -1 : elem_type === this.type)) && (!this.id || elem.getAttribute("id") === this.id) && (!this.from || from === this.from)) {
      return true;
    }

    return false;
  },

  /** PrivateFunction: run
   *  Run the callback on a matching stanza.
   *
   *  Parameters:
   *    (XMLElement) elem - The DOM element that triggered the
   *      Strophe.Handler.
   *
   *  Returns:
   *    A boolean indicating if the handler should remain active.
   */
  run: function run(elem) {
    var result = null;

    try {
      result = this.handler(elem);
    } catch (e) {
      Strophe._handleError(e);

      throw e;
    }

    return result;
  },

  /** PrivateFunction: toString
   *  Get a String representation of the Strophe.Handler object.
   *
   *  Returns:
   *    A String.
   */
  toString: function toString() {
    return "{Handler: " + this.handler + "(" + this.name + "," + this.id + "," + this.ns + ")}";
  }
};
/** PrivateClass: Strophe.TimedHandler
 *  _Private_ helper class for managing timed handlers.
 *
 *  A Strophe.TimedHandler encapsulates a user provided callback that
 *  should be called after a certain period of time or at regular
 *  intervals.  The return value of the callback determines whether the
 *  Strophe.TimedHandler will continue to fire.
 *
 *  Users will not use Strophe.TimedHandler objects directly, but instead
 *  they will use Strophe.Connection.addTimedHandler() and
 *  Strophe.Connection.deleteTimedHandler().
 */

/** PrivateConstructor: Strophe.TimedHandler
 *  Create and initialize a new Strophe.TimedHandler object.
 *
 *  Parameters:
 *    (Integer) period - The number of milliseconds to wait before the
 *      handler is called.
 *    (Function) handler - The callback to run when the handler fires.  This
 *      function should take no arguments.
 *
 *  Returns:
 *    A new Strophe.TimedHandler object.
 */

Strophe.TimedHandler = function (period, handler) {
  this.period = period;
  this.handler = handler;
  this.lastCalled = new Date().getTime();
  this.user = true;
};

Strophe.TimedHandler.prototype = {
  /** PrivateFunction: run
   *  Run the callback for the Strophe.TimedHandler.
   *
   *  Returns:
   *    true if the Strophe.TimedHandler should be called again, and false
   *      otherwise.
   */
  run: function run() {
    this.lastCalled = new Date().getTime();
    return this.handler();
  },

  /** PrivateFunction: reset
   *  Reset the last called time for the Strophe.TimedHandler.
   */
  reset: function reset() {
    this.lastCalled = new Date().getTime();
  },

  /** PrivateFunction: toString
   *  Get a string representation of the Strophe.TimedHandler object.
   *
   *  Returns:
   *    The string representation.
   */
  toString: function toString() {
    return "{TimedHandler: " + this.handler + "(" + this.period + ")}";
  }
};
/** Class: Strophe.Connection
 *  XMPP Connection manager.
 *
 *  This class is the main part of Strophe.  It manages a BOSH or websocket
 *  connection to an XMPP server and dispatches events to the user callbacks
 *  as data arrives. It supports SASL PLAIN, SASL DIGEST-MD5, SASL SCRAM-SHA1
 *  and legacy authentication.
 *
 *  After creating a Strophe.Connection object, the user will typically
 *  call connect() with a user supplied callback to handle connection level
 *  events like authentication failure, disconnection, or connection
 *  complete.
 *
 *  The user will also have several event handlers defined by using
 *  addHandler() and addTimedHandler().  These will allow the user code to
 *  respond to interesting stanzas or do something periodically with the
 *  connection. These handlers will be active once authentication is
 *  finished.
 *
 *  To send data to the connection, use send().
 */

/** Constructor: Strophe.Connection
 *  Create and initialize a Strophe.Connection object.
 *
 *  The transport-protocol for this connection will be chosen automatically
 *  based on the given service parameter. URLs starting with "ws://" or
 *  "wss://" will use WebSockets, URLs starting with "http://", "https://"
 *  or without a protocol will use BOSH.
 *
 *  To make Strophe connect to the current host you can leave out the protocol
 *  and host part and just pass the path, e.g.
 *
 *  > let conn = new Strophe.Connection("/http-bind/");
 *
 *  Options common to both Websocket and BOSH:
 *  ------------------------------------------
 *
 *  cookies:
 *
 *  The *cookies* option allows you to pass in cookies to be added to the
 *  document. These cookies will then be included in the BOSH XMLHttpRequest
 *  or in the websocket connection.
 *
 *  The passed in value must be a map of cookie names and string values.
 *
 *  > { "myCookie": {
 *  >     "value": "1234",
 *  >     "domain": ".example.org",
 *  >     "path": "/",
 *  >     "expires": expirationDate
 *  >     }
 *  > }
 *
 *  Note that cookies can't be set in this way for other domains (i.e. cross-domain).
 *  Those cookies need to be set under those domains, for example they can be
 *  set server-side by making a XHR call to that domain to ask it to set any
 *  necessary cookies.
 *
 *  mechanisms:
 *
 *  The *mechanisms* option allows you to specify the SASL mechanisms that this
 *  instance of Strophe.Connection (and therefore your XMPP client) will
 *  support.
 *
 *  The value must be an array of objects with Strophe.SASLMechanism
 *  prototypes.
 *
 *  If nothing is specified, then the following mechanisms (and their
 *  priorities) are registered:
 *
 *      SCRAM-SHA1 - 70
 *      DIGEST-MD5 - 60
 *      PLAIN - 50
 *      OAUTH-BEARER - 40
 *      OAUTH-2 - 30
 *      ANONYMOUS - 20
 *      EXTERNAL - 10
 *
 *  WebSocket options:
 *  ------------------
 *
 *  If you want to connect to the current host with a WebSocket connection you
 *  can tell Strophe to use WebSockets through a "protocol" attribute in the
 *  optional options parameter. Valid values are "ws" for WebSocket and "wss"
 *  for Secure WebSocket.
 *  So to connect to "wss://CURRENT_HOSTNAME/xmpp-websocket" you would call
 *
 *  > let conn = new Strophe.Connection("/xmpp-websocket/", {protocol: "wss"});
 *
 *  Note that relative URLs _NOT_ starting with a "/" will also include the path
 *  of the current site.
 *
 *  Also because downgrading security is not permitted by browsers, when using
 *  relative URLs both BOSH and WebSocket connections will use their secure
 *  variants if the current connection to the site is also secure (https).
 *
 *  BOSH options:
 *  -------------
 *
 *  By adding "sync" to the options, you can control if requests will
 *  be made synchronously or not. The default behaviour is asynchronous.
 *  If you want to make requests synchronous, make "sync" evaluate to true.
 *  > let conn = new Strophe.Connection("/http-bind/", {sync: true});
 *
 *  You can also toggle this on an already established connection.
 *  > conn.options.sync = true;
 *
 *  The *customHeaders* option can be used to provide custom HTTP headers to be
 *  included in the XMLHttpRequests made.
 *
 *  The *keepalive* option can be used to instruct Strophe to maintain the
 *  current BOSH session across interruptions such as webpage reloads.
 *
 *  It will do this by caching the sessions tokens in sessionStorage, and when
 *  "restore" is called it will check whether there are cached tokens with
 *  which it can resume an existing session.
 *
 *  The *withCredentials* option should receive a Boolean value and is used to
 *  indicate wether cookies should be included in ajax requests (by default
 *  they're not).
 *  Set this value to true if you are connecting to a BOSH service
 *  and for some reason need to send cookies to it.
 *  In order for this to work cross-domain, the server must also enable
 *  credentials by setting the Access-Control-Allow-Credentials response header
 *  to "true". For most usecases however this setting should be false (which
 *  is the default).
 *  Additionally, when using Access-Control-Allow-Credentials, the
 *  Access-Control-Allow-Origin header can't be set to the wildcard "*", but
 *  instead must be restricted to actual domains.
 *
 *  The *contentType* option can be set to change the default Content-Type
 *  of "text/xml; charset=utf-8", which can be useful to reduce the amount of
 *  CORS preflight requests that are sent to the server.
 *
 *  Parameters:
 *    (String) service - The BOSH or WebSocket service URL.
 *    (Object) options - A hash of configuration options
 *
 *  Returns:
 *    A new Strophe.Connection object.
 */

Strophe.Connection = function (service, options) {
  var _this2 = this;

  // The service URL
  this.service = service; // Configuration options

  this.options = options || {};
  var proto = this.options.protocol || ""; // Select protocal based on service or options

  if (service.indexOf("ws:") === 0 || service.indexOf("wss:") === 0 || proto.indexOf("ws") === 0) {
    this._proto = new Strophe.Websocket(this);
  } else {
    this._proto = new Strophe.Bosh(this);
  }
  /* The connected JID. */


  this.jid = "";
  /* the JIDs domain */

  this.domain = null;
  /* stream:features */

  this.features = null; // SASL

  this._sasl_data = {};
  this.do_session = false;
  this.do_bind = false; // handler lists

  this.timedHandlers = [];
  this.handlers = [];
  this.removeTimeds = [];
  this.removeHandlers = [];
  this.addTimeds = [];
  this.addHandlers = [];
  this.protocolErrorHandlers = {
    'HTTP': {},
    'websocket': {}
  };
  this._idleTimeout = null;
  this._disconnectTimeout = null;
  this.authenticated = false;
  this.connected = false;
  this.disconnecting = false;
  this.do_authentication = true;
  this.paused = false;
  this.restored = false;
  this._data = [];
  this._uniqueId = 0;
  this._sasl_success_handler = null;
  this._sasl_failure_handler = null;
  this._sasl_challenge_handler = null; // Max retries before disconnecting

  this.maxRetries = 5; // Call onIdle callback every 1/10th of a second

  this._idleTimeout = setTimeout(function () {
    return _this2._onIdle();
  }, 100);
  utils__WEBPACK_IMPORTED_MODULE_2__["default"].addCookies(this.options.cookies);
  this.registerSASLMechanisms(this.options.mechanisms); // initialize plugins

  for (var k in Strophe._connectionPlugins) {
    if (Object.prototype.hasOwnProperty.call(Strophe._connectionPlugins, k)) {
      var F = function F() {};

      F.prototype = Strophe._connectionPlugins[k];
      this[k] = new F();
      this[k].init(this);
    }
  }
};

Strophe.Connection.prototype = {
  /** Function: reset
   *  Reset the connection.
   *
   *  This function should be called after a connection is disconnected
   *  before that connection is reused.
   */
  reset: function reset() {
    this._proto._reset(); // SASL


    this.do_session = false;
    this.do_bind = false; // handler lists

    this.timedHandlers = [];
    this.handlers = [];
    this.removeTimeds = [];
    this.removeHandlers = [];
    this.addTimeds = [];
    this.addHandlers = [];
    this.authenticated = false;
    this.connected = false;
    this.disconnecting = false;
    this.restored = false;
    this._data = [];
    this._requests = [];
    this._uniqueId = 0;
  },

  /** Function: pause
   *  Pause the request manager.
   *
   *  This will prevent Strophe from sending any more requests to the
   *  server.  This is very useful for temporarily pausing
   *  BOSH-Connections while a lot of send() calls are happening quickly.
   *  This causes Strophe to send the data in a single request, saving
   *  many request trips.
   */
  pause: function pause() {
    this.paused = true;
  },

  /** Function: resume
   *  Resume the request manager.
   *
   *  This resumes after pause() has been called.
   */
  resume: function resume() {
    this.paused = false;
  },

  /** Function: getUniqueId
   *  Generate a unique ID for use in <iq/> elements.
   *
   *  All <iq/> stanzas are required to have unique id attributes.  This
   *  function makes creating these easy.  Each connection instance has
   *  a counter which starts from zero, and the value of this counter
   *  plus a colon followed by the suffix becomes the unique id. If no
   *  suffix is supplied, the counter is used as the unique id.
   *
   *  Suffixes are used to make debugging easier when reading the stream
   *  data, and their use is recommended.  The counter resets to 0 for
   *  every new connection for the same reason.  For connections to the
   *  same server that authenticate the same way, all the ids should be
   *  the same, which makes it easy to see changes.  This is useful for
   *  automated testing as well.
   *
   *  Parameters:
   *    (String) suffix - A optional suffix to append to the id.
   *
   *  Returns:
   *    A unique string to be used for the id attribute.
   */
  getUniqueId: function getUniqueId(suffix) {
    var uuid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
      var r = Math.random() * 16 | 0,
          v = c === 'x' ? r : r & 0x3 | 0x8;
      return v.toString(16);
    });

    if (typeof suffix === "string" || typeof suffix === "number") {
      return uuid + ":" + suffix;
    } else {
      return uuid + "";
    }
  },

  /** Function: addProtocolErrorHandler
   *  Register a handler function for when a protocol (websocker or HTTP)
   *  error occurs.
   *
   *  NOTE: Currently only HTTP errors for BOSH requests are handled.
   *  Patches that handle websocket errors would be very welcome.
   *
   *  Parameters:
   *    (String) protocol - 'HTTP' or 'websocket'
   *    (Integer) status_code - Error status code (e.g 500, 400 or 404)
   *    (Function) callback - Function that will fire on Http error
   *
   *  Example:
   *  function onError(err_code){
   *    //do stuff
   *  }
   *
   *  let conn = Strophe.connect('http://example.com/http-bind');
   *  conn.addProtocolErrorHandler('HTTP', 500, onError);
   *  // Triggers HTTP 500 error and onError handler will be called
   *  conn.connect('user_jid@incorrect_jabber_host', 'secret', onConnect);
   */
  addProtocolErrorHandler: function addProtocolErrorHandler(protocol, status_code, callback) {
    this.protocolErrorHandlers[protocol][status_code] = callback;
  },

  /** Function: connect
   *  Starts the connection process.
   *
   *  As the connection process proceeds, the user supplied callback will
   *  be triggered multiple times with status updates.  The callback
   *  should take two arguments - the status code and the error condition.
   *
   *  The status code will be one of the values in the Strophe.Status
   *  constants.  The error condition will be one of the conditions
   *  defined in RFC 3920 or the condition 'strophe-parsererror'.
   *
   *  The Parameters _wait_, _hold_ and _route_ are optional and only relevant
   *  for BOSH connections. Please see XEP 124 for a more detailed explanation
   *  of the optional parameters.
   *
   *  Parameters:
   *    (String) jid - The user's JID.  This may be a bare JID,
   *      or a full JID.  If a node is not supplied, SASL OAUTHBEARER or
   *      SASL ANONYMOUS authentication will be attempted (OAUTHBEARER will
   *      process the provided password value as an access token).
   *    (String) pass - The user's password.
   *    (Function) callback - The connect callback function.
   *    (Integer) wait - The optional HTTPBIND wait value.  This is the
   *      time the server will wait before returning an empty result for
   *      a request.  The default setting of 60 seconds is recommended.
   *    (Integer) hold - The optional HTTPBIND hold value.  This is the
   *      number of connections the server will hold at one time.  This
   *      should almost always be set to 1 (the default).
   *    (String) route - The optional route value.
   *    (String) authcid - The optional alternative authentication identity
   *      (username) if intending to impersonate another user.
   *      When using the SASL-EXTERNAL authentication mechanism, for example
   *      with client certificates, then the authcid value is used to
   *      determine whether an authorization JID (authzid) should be sent to
   *      the server. The authzid should not be sent to the server if the
   *      authzid and authcid are the same. So to prevent it from being sent
   *      (for example when the JID is already contained in the client
   *      certificate), set authcid to that same JID. See XEP-178 for more
   *      details.
   */
  connect: function connect(jid, pass, callback, wait, hold, route, authcid) {
    this.jid = jid;
    /** Variable: authzid
     *  Authorization identity.
     */

    this.authzid = Strophe.getBareJidFromJid(this.jid);
    /** Variable: authcid
     *  Authentication identity (User name).
     */

    this.authcid = authcid || Strophe.getNodeFromJid(this.jid);
    /** Variable: pass
     *  Authentication identity (User password).
     */

    this.pass = pass;
    /** Variable: servtype
     *  Digest MD5 compatibility.
     */

    this.servtype = "xmpp";
    this.connect_callback = callback;
    this.disconnecting = false;
    this.connected = false;
    this.authenticated = false;
    this.restored = false; // parse jid for domain

    this.domain = Strophe.getDomainFromJid(this.jid);

    this._changeConnectStatus(Strophe.Status.CONNECTING, null);

    this._proto._connect(wait, hold, route);
  },

  /** Function: attach
   *  Attach to an already created and authenticated BOSH session.
   *
   *  This function is provided to allow Strophe to attach to BOSH
   *  sessions which have been created externally, perhaps by a Web
   *  application.  This is often used to support auto-login type features
   *  without putting user credentials into the page.
   *
   *  Parameters:
   *    (String) jid - The full JID that is bound by the session.
   *    (String) sid - The SID of the BOSH session.
   *    (String) rid - The current RID of the BOSH session.  This RID
   *      will be used by the next request.
   *    (Function) callback The connect callback function.
   *    (Integer) wait - The optional HTTPBIND wait value.  This is the
   *      time the server will wait before returning an empty result for
   *      a request.  The default setting of 60 seconds is recommended.
   *      Other settings will require tweaks to the Strophe.TIMEOUT value.
   *    (Integer) hold - The optional HTTPBIND hold value.  This is the
   *      number of connections the server will hold at one time.  This
   *      should almost always be set to 1 (the default).
   *    (Integer) wind - The optional HTTBIND window value.  This is the
   *      allowed range of request ids that are valid.  The default is 5.
   */
  attach: function attach(jid, sid, rid, callback, wait, hold, wind) {
    if (this._proto instanceof Strophe.Bosh) {
      this._proto._attach(jid, sid, rid, callback, wait, hold, wind);
    } else {
      var error = new Error('The "attach" method can only be used with a BOSH connection.');
      error.name = 'StropheSessionError';
      throw error;
    }
  },

  /** Function: restore
   *  Attempt to restore a cached BOSH session.
   *
   *  This function is only useful in conjunction with providing the
   *  "keepalive":true option when instantiating a new Strophe.Connection.
   *
   *  When "keepalive" is set to true, Strophe will cache the BOSH tokens
   *  RID (Request ID) and SID (Session ID) and then when this function is
   *  called, it will attempt to restore the session from those cached
   *  tokens.
   *
   *  This function must therefore be called instead of connect or attach.
   *
   *  For an example on how to use it, please see examples/restore.js
   *
   *  Parameters:
   *    (String) jid - The user's JID.  This may be a bare JID or a full JID.
   *    (Function) callback - The connect callback function.
   *    (Integer) wait - The optional HTTPBIND wait value.  This is the
   *      time the server will wait before returning an empty result for
   *      a request.  The default setting of 60 seconds is recommended.
   *    (Integer) hold - The optional HTTPBIND hold value.  This is the
   *      number of connections the server will hold at one time.  This
   *      should almost always be set to 1 (the default).
   *    (Integer) wind - The optional HTTBIND window value.  This is the
   *      allowed range of request ids that are valid.  The default is 5.
   */
  restore: function restore(jid, callback, wait, hold, wind) {
    if (this._sessionCachingSupported()) {
      this._proto._restore(jid, callback, wait, hold, wind);
    } else {
      var error = new Error('The "restore" method can only be used with a BOSH connection.');
      error.name = 'StropheSessionError';
      throw error;
    }
  },

  /** PrivateFunction: _sessionCachingSupported
   * Checks whether sessionStorage and JSON are supported and whether we're
   * using BOSH.
   */
  _sessionCachingSupported: function _sessionCachingSupported() {
    if (this._proto instanceof Strophe.Bosh) {
      if (!JSON) {
        return false;
      }

      try {
        sessionStorage.setItem('_strophe_', '_strophe_');
        sessionStorage.removeItem('_strophe_');
      } catch (e) {
        return false;
      }

      return true;
    }

    return false;
  },

  /** Function: xmlInput
   *  User overrideable function that receives XML data coming into the
   *  connection.
   *
   *  The default function does nothing.  User code can override this with
   *  > Strophe.Connection.xmlInput = function (elem) {
   *  >   (user code)
   *  > };
   *
   *  Due to limitations of current Browsers' XML-Parsers the opening and closing
   *  <stream> tag for WebSocket-Connoctions will be passed as selfclosing here.
   *
   *  BOSH-Connections will have all stanzas wrapped in a <body> tag. See
   *  <Strophe.Bosh.strip> if you want to strip this tag.
   *
   *  Parameters:
   *    (XMLElement) elem - The XML data received by the connection.
   */

  /* jshint unused:false */
  xmlInput: function xmlInput(elem) {
    return;
  },

  /* jshint unused:true */

  /** Function: xmlOutput
   *  User overrideable function that receives XML data sent to the
   *  connection.
   *
   *  The default function does nothing.  User code can override this with
   *  > Strophe.Connection.xmlOutput = function (elem) {
   *  >   (user code)
   *  > };
   *
   *  Due to limitations of current Browsers' XML-Parsers the opening and closing
   *  <stream> tag for WebSocket-Connoctions will be passed as selfclosing here.
   *
   *  BOSH-Connections will have all stanzas wrapped in a <body> tag. See
   *  <Strophe.Bosh.strip> if you want to strip this tag.
   *
   *  Parameters:
   *    (XMLElement) elem - The XMLdata sent by the connection.
   */

  /* jshint unused:false */
  xmlOutput: function xmlOutput(elem) {
    return;
  },

  /* jshint unused:true */

  /** Function: rawInput
   *  User overrideable function that receives raw data coming into the
   *  connection.
   *
   *  The default function does nothing.  User code can override this with
   *  > Strophe.Connection.rawInput = function (data) {
   *  >   (user code)
   *  > };
   *
   *  Parameters:
   *    (String) data - The data received by the connection.
   */

  /* jshint unused:false */
  rawInput: function rawInput(data) {
    return;
  },

  /* jshint unused:true */

  /** Function: rawOutput
   *  User overrideable function that receives raw data sent to the
   *  connection.
   *
   *  The default function does nothing.  User code can override this with
   *  > Strophe.Connection.rawOutput = function (data) {
   *  >   (user code)
   *  > };
   *
   *  Parameters:
   *    (String) data - The data sent by the connection.
   */

  /* jshint unused:false */
  rawOutput: function rawOutput(data) {
    return;
  },

  /* jshint unused:true */

  /** Function: nextValidRid
   *  User overrideable function that receives the new valid rid.
   *
   *  The default function does nothing. User code can override this with
   *  > Strophe.Connection.nextValidRid = function (rid) {
   *  >    (user code)
   *  > };
   *
   *  Parameters:
   *    (Number) rid - The next valid rid
   */

  /* jshint unused:false */
  nextValidRid: function nextValidRid(rid) {
    return;
  },

  /* jshint unused:true */

  /** Function: send
   *  Send a stanza.
   *
   *  This function is called to push data onto the send queue to
   *  go out over the wire.  Whenever a request is sent to the BOSH
   *  server, all pending data is sent and the queue is flushed.
   *
   *  Parameters:
   *    (XMLElement |
   *     [XMLElement] |
   *     Strophe.Builder) elem - The stanza to send.
   */
  send: function send(elem) {
    if (elem === null) {
      return;
    }

    if (typeof elem.sort === "function") {
      for (var i = 0; i < elem.length; i++) {
        this._queueData(elem[i]);
      }
    } else if (typeof elem.tree === "function") {
      this._queueData(elem.tree());
    } else {
      this._queueData(elem);
    }

    this._proto._send();
  },

  /** Function: flush
   *  Immediately send any pending outgoing data.
   *
   *  Normally send() queues outgoing data until the next idle period
   *  (100ms), which optimizes network use in the common cases when
   *  several send()s are called in succession. flush() can be used to
   *  immediately send all pending data.
   */
  flush: function flush() {
    // cancel the pending idle period and run the idle function
    // immediately
    clearTimeout(this._idleTimeout);

    this._onIdle();
  },

  /** Function: sendPresence
   *  Helper function to send presence stanzas. The main benefit is for
   *  sending presence stanzas for which you expect a responding presence
   *  stanza with the same id (for example when leaving a chat room).
   *
   *  Parameters:
   *    (XMLElement) elem - The stanza to send.
   *    (Function) callback - The callback function for a successful request.
   *    (Function) errback - The callback function for a failed or timed
   *      out request.  On timeout, the stanza will be null.
   *    (Integer) timeout - The time specified in milliseconds for a
   *      timeout to occur.
   *
   *  Returns:
   *    The id used to send the presence.
   */
  sendPresence: function sendPresence(elem, callback, errback, timeout) {
    var _this3 = this;

    var timeoutHandler = null;

    if (typeof elem.tree === "function") {
      elem = elem.tree();
    }

    var id = elem.getAttribute('id');

    if (!id) {
      // inject id if not found
      id = this.getUniqueId("sendPresence");
      elem.setAttribute("id", id);
    }

    if (typeof callback === "function" || typeof errback === "function") {
      var handler = this.addHandler(function (stanza) {
        // remove timeout handler if there is one
        if (timeoutHandler) {
          _this3.deleteTimedHandler(timeoutHandler);
        }

        if (stanza.getAttribute('type') === 'error') {
          if (errback) {
            errback(stanza);
          }
        } else if (callback) {
          callback(stanza);
        }
      }, null, 'presence', null, id); // if timeout specified, set up a timeout handler.

      if (timeout) {
        timeoutHandler = this.addTimedHandler(timeout, function () {
          // get rid of normal handler
          _this3.deleteHandler(handler); // call errback on timeout with null stanza


          if (errback) {
            errback(null);
          }

          return false;
        });
      }
    }

    this.send(elem);
    return id;
  },

  /** Function: sendIQ
   *  Helper function to send IQ stanzas.
   *
   *  Parameters:
   *    (XMLElement) elem - The stanza to send.
   *    (Function) callback - The callback function for a successful request.
   *    (Function) errback - The callback function for a failed or timed
   *      out request.  On timeout, the stanza will be null.
   *    (Integer) timeout - The time specified in milliseconds for a
   *      timeout to occur.
   *
   *  Returns:
   *    The id used to send the IQ.
  */
  sendIQ: function sendIQ(elem, callback, errback, timeout) {
    var _this4 = this;

    var timeoutHandler = null;

    if (typeof elem.tree === "function") {
      elem = elem.tree();
    }

    var id = elem.getAttribute('id');

    if (!id) {
      // inject id if not found
      id = this.getUniqueId("sendIQ");
      elem.setAttribute("id", id);
    }

    if (typeof callback === "function" || typeof errback === "function") {
      var handler = this.addHandler(function (stanza) {
        // remove timeout handler if there is one
        if (timeoutHandler) {
          _this4.deleteTimedHandler(timeoutHandler);
        }

        var iqtype = stanza.getAttribute('type');

        if (iqtype === 'result') {
          if (callback) {
            callback(stanza);
          }
        } else if (iqtype === 'error') {
          if (errback) {
            errback(stanza);
          }
        } else {
          var error = new Error("Got bad IQ type of ".concat(iqtype));
          error.name = "StropheError";
          throw error;
        }
      }, null, 'iq', ['error', 'result'], id); // if timeout specified, set up a timeout handler.

      if (timeout) {
        timeoutHandler = this.addTimedHandler(timeout, function () {
          // get rid of normal handler
          _this4.deleteHandler(handler); // call errback on timeout with null stanza


          if (errback) {
            errback(null);
          }

          return false;
        });
      }
    }

    this.send(elem);
    return id;
  },

  /** PrivateFunction: _queueData
   *  Queue outgoing data for later sending.  Also ensures that the data
   *  is a DOMElement.
   */
  _queueData: function _queueData(element) {
    if (element === null || !element.tagName || !element.childNodes) {
      var error = new Error("Cannot queue non-DOMElement.");
      error.name = "StropheError";
      throw error;
    }

    this._data.push(element);
  },

  /** PrivateFunction: _sendRestart
   *  Send an xmpp:restart stanza.
   */
  _sendRestart: function _sendRestart() {
    var _this5 = this;

    this._data.push("restart");

    this._proto._sendRestart();

    this._idleTimeout = setTimeout(function () {
      return _this5._onIdle();
    }, 100);
  },

  /** Function: addTimedHandler
   *  Add a timed handler to the connection.
   *
   *  This function adds a timed handler.  The provided handler will
   *  be called every period milliseconds until it returns false,
   *  the connection is terminated, or the handler is removed.  Handlers
   *  that wish to continue being invoked should return true.
   *
   *  Because of method binding it is necessary to save the result of
   *  this function if you wish to remove a handler with
   *  deleteTimedHandler().
   *
   *  Note that user handlers are not active until authentication is
   *  successful.
   *
   *  Parameters:
   *    (Integer) period - The period of the handler.
   *    (Function) handler - The callback function.
   *
   *  Returns:
   *    A reference to the handler that can be used to remove it.
   */
  addTimedHandler: function addTimedHandler(period, handler) {
    var thand = new Strophe.TimedHandler(period, handler);
    this.addTimeds.push(thand);
    return thand;
  },

  /** Function: deleteTimedHandler
   *  Delete a timed handler for a connection.
   *
   *  This function removes a timed handler from the connection.  The
   *  handRef parameter is *not* the function passed to addTimedHandler(),
   *  but is the reference returned from addTimedHandler().
   *
   *  Parameters:
   *    (Strophe.TimedHandler) handRef - The handler reference.
   */
  deleteTimedHandler: function deleteTimedHandler(handRef) {
    // this must be done in the Idle loop so that we don't change
    // the handlers during iteration
    this.removeTimeds.push(handRef);
  },

  /** Function: addHandler
   *  Add a stanza handler for the connection.
   *
   *  This function adds a stanza handler to the connection.  The
   *  handler callback will be called for any stanza that matches
   *  the parameters.  Note that if multiple parameters are supplied,
   *  they must all match for the handler to be invoked.
   *
   *  The handler will receive the stanza that triggered it as its argument.
   *  *The handler should return true if it is to be invoked again;
   *  returning false will remove the handler after it returns.*
   *
   *  As a convenience, the ns parameters applies to the top level element
   *  and also any of its immediate children.  This is primarily to make
   *  matching /iq/query elements easy.
   *
   *  Options
   *  ~~~~~~~
   *  With the options argument, you can specify boolean flags that affect how
   *  matches are being done.
   *
   *  Currently two flags exist:
   *
   *  - matchBareFromJid:
   *      When set to true, the from parameter and the
   *      from attribute on the stanza will be matched as bare JIDs instead
   *      of full JIDs. To use this, pass {matchBareFromJid: true} as the
   *      value of options. The default value for matchBareFromJid is false.
   *
   *  - ignoreNamespaceFragment:
   *      When set to true, a fragment specified on the stanza's namespace
   *      URL will be ignored when it's matched with the one configured for
   *      the handler.
   *
   *      This means that if you register like this:
   *      >   connection.addHandler(
   *      >       handler,
   *      >       'http://jabber.org/protocol/muc',
   *      >       null, null, null, null,
   *      >       {'ignoreNamespaceFragment': true}
   *      >   );
   *
   *      Then a stanza with XML namespace of
   *      'http://jabber.org/protocol/muc#user' will also be matched. If
   *      'ignoreNamespaceFragment' is false, then only stanzas with
   *      'http://jabber.org/protocol/muc' will be matched.
   *
   *  Deleting the handler
   *  ~~~~~~~~~~~~~~~~~~~~
   *  The return value should be saved if you wish to remove the handler
   *  with deleteHandler().
   *
   *  Parameters:
   *    (Function) handler - The user callback.
   *    (String) ns - The namespace to match.
   *    (String) name - The stanza name to match.
   *    (String|Array) type - The stanza type (or types if an array) to match.
   *    (String) id - The stanza id attribute to match.
   *    (String) from - The stanza from attribute to match.
   *    (String) options - The handler options
   *
   *  Returns:
   *    A reference to the handler that can be used to remove it.
   */
  addHandler: function addHandler(handler, ns, name, type, id, from, options) {
    var hand = new Strophe.Handler(handler, ns, name, type, id, from, options);
    this.addHandlers.push(hand);
    return hand;
  },

  /** Function: deleteHandler
   *  Delete a stanza handler for a connection.
   *
   *  This function removes a stanza handler from the connection.  The
   *  handRef parameter is *not* the function passed to addHandler(),
   *  but is the reference returned from addHandler().
   *
   *  Parameters:
   *    (Strophe.Handler) handRef - The handler reference.
   */
  deleteHandler: function deleteHandler(handRef) {
    // this must be done in the Idle loop so that we don't change
    // the handlers during iteration
    this.removeHandlers.push(handRef); // If a handler is being deleted while it is being added,
    // prevent it from getting added

    var i = this.addHandlers.indexOf(handRef);

    if (i >= 0) {
      this.addHandlers.splice(i, 1);
    }
  },

  /** Function: registerSASLMechanisms
   *
   * Register the SASL mechanisms which will be supported by this instance of
   * Strophe.Connection (i.e. which this XMPP client will support).
   *
   *  Parameters:
   *    (Array) mechanisms - Array of objects with Strophe.SASLMechanism prototypes
   *
   */
  registerSASLMechanisms: function registerSASLMechanisms(mechanisms) {
    this.mechanisms = {};
    mechanisms = mechanisms || [Strophe.SASLAnonymous, Strophe.SASLExternal, Strophe.SASLMD5, Strophe.SASLOAuthBearer, Strophe.SASLXOAuth2, Strophe.SASLPlain, Strophe.SASLSHA1];
    mechanisms.forEach(this.registerSASLMechanism.bind(this));
  },

  /** Function: registerSASLMechanism
   *
   * Register a single SASL mechanism, to be supported by this client.
   *
   *  Parameters:
   *    (Object) mechanism - Object with a Strophe.SASLMechanism prototype
   *
   */
  registerSASLMechanism: function registerSASLMechanism(mechanism) {
    this.mechanisms[mechanism.prototype.name] = mechanism;
  },

  /** Function: disconnect
   *  Start the graceful disconnection process.
   *
   *  This function starts the disconnection process.  This process starts
   *  by sending unavailable presence and sending BOSH body of type
   *  terminate.  A timeout handler makes sure that disconnection happens
   *  even if the BOSH server does not respond.
   *  If the Connection object isn't connected, at least tries to abort all pending requests
   *  so the connection object won't generate successful requests (which were already opened).
   *
   *  The user supplied connection callback will be notified of the
   *  progress as this process happens.
   *
   *  Parameters:
   *    (String) reason - The reason the disconnect is occuring.
   */
  disconnect: function disconnect(reason) {
    this._changeConnectStatus(Strophe.Status.DISCONNECTING, reason);

    Strophe.info("Disconnect was called because: " + reason);

    if (this.connected) {
      var pres = false;
      this.disconnecting = true;

      if (this.authenticated) {
        pres = $pres({
          'xmlns': Strophe.NS.CLIENT,
          'type': 'unavailable'
        });
      } // setup timeout handler


      this._disconnectTimeout = this._addSysTimedHandler(3000, this._onDisconnectTimeout.bind(this));

      this._proto._disconnect(pres);
    } else {
      Strophe.info("Disconnect was called before Strophe connected to the server");

      this._proto._abortAllRequests();

      this._doDisconnect();
    }
  },

  /** PrivateFunction: _changeConnectStatus
   *  _Private_ helper function that makes sure plugins and the user's
   *  callback are notified of connection status changes.
   *
   *  Parameters:
   *    (Integer) status - the new connection status, one of the values
   *      in Strophe.Status
   *    (String) condition - the error condition or null
   *    (XMLElement) elem - The triggering stanza.
   */
  _changeConnectStatus: function _changeConnectStatus(status, condition, elem) {
    // notify all plugins listening for status changes
    for (var k in Strophe._connectionPlugins) {
      if (Object.prototype.hasOwnProperty.call(Strophe._connectionPlugins, k)) {
        var plugin = this[k];

        if (plugin.statusChanged) {
          try {
            plugin.statusChanged(status, condition);
          } catch (err) {
            Strophe.error("".concat(k, " plugin caused an exception changing status: ").concat(err));
          }
        }
      }
    } // notify the user's callback


    if (this.connect_callback) {
      try {
        this.connect_callback(status, condition, elem);
      } catch (e) {
        Strophe._handleError(e);

        Strophe.error("User connection callback caused an exception: ".concat(e));
      }
    }
  },

  /** PrivateFunction: _doDisconnect
   *  _Private_ function to disconnect.
   *
   *  This is the last piece of the disconnection logic.  This resets the
   *  connection and alerts the user's connection callback.
   */
  _doDisconnect: function _doDisconnect(condition) {
    if (typeof this._idleTimeout === "number") {
      clearTimeout(this._idleTimeout);
    } // Cancel Disconnect Timeout


    if (this._disconnectTimeout !== null) {
      this.deleteTimedHandler(this._disconnectTimeout);
      this._disconnectTimeout = null;
    }

    Strophe.info("_doDisconnect was called");

    this._proto._doDisconnect();

    this.authenticated = false;
    this.disconnecting = false;
    this.restored = false; // delete handlers

    this.handlers = [];
    this.timedHandlers = [];
    this.removeTimeds = [];
    this.removeHandlers = [];
    this.addTimeds = [];
    this.addHandlers = []; // tell the parent we disconnected

    this._changeConnectStatus(Strophe.Status.DISCONNECTED, condition);

    this.connected = false;
  },

  /** PrivateFunction: _dataRecv
   *  _Private_ handler to processes incoming data from the the connection.
   *
   *  Except for _connect_cb handling the initial connection request,
   *  this function handles the incoming data for all requests.  This
   *  function also fires stanza handlers that match each incoming
   *  stanza.
   *
   *  Parameters:
   *    (Strophe.Request) req - The request that has data ready.
   *    (string) req - The stanza a raw string (optiona).
   */
  _dataRecv: function _dataRecv(req, raw) {
    var _this6 = this;

    Strophe.info("_dataRecv called");

    var elem = this._proto._reqToData(req);

    if (elem === null) {
      return;
    }

    if (this.xmlInput !== Strophe.Connection.prototype.xmlInput) {
      if (elem.nodeName === this._proto.strip && elem.childNodes.length) {
        this.xmlInput(elem.childNodes[0]);
      } else {
        this.xmlInput(elem);
      }
    }

    if (this.rawInput !== Strophe.Connection.prototype.rawInput) {
      if (raw) {
        this.rawInput(raw);
      } else {
        this.rawInput(Strophe.serialize(elem));
      }
    } // remove handlers scheduled for deletion


    while (this.removeHandlers.length > 0) {
      var hand = this.removeHandlers.pop();
      var i = this.handlers.indexOf(hand);

      if (i >= 0) {
        this.handlers.splice(i, 1);
      }
    } // add handlers scheduled for addition


    while (this.addHandlers.length > 0) {
      this.handlers.push(this.addHandlers.pop());
    } // handle graceful disconnect


    if (this.disconnecting && this._proto._emptyQueue()) {
      this._doDisconnect();

      return;
    }

    var type = elem.getAttribute("type");

    if (type !== null && type === "terminate") {
      // Don't process stanzas that come in after disconnect
      if (this.disconnecting) {
        return;
      } // an error occurred


      var cond = elem.getAttribute("condition");
      var conflict = elem.getElementsByTagName("conflict");

      if (cond !== null) {
        if (cond === "remote-stream-error" && conflict.length > 0) {
          cond = "conflict";
        }

        this._changeConnectStatus(Strophe.Status.CONNFAIL, cond);
      } else {
        this._changeConnectStatus(Strophe.Status.CONNFAIL, Strophe.ErrorCondition.UNKOWN_REASON);
      }

      this._doDisconnect(cond);

      return;
    } // send each incoming stanza through the handler chain


    Strophe.forEachChild(elem, null, function (child) {
      // process handlers
      var newList = _this6.handlers;
      _this6.handlers = [];

      for (var _i5 = 0; _i5 < newList.length; _i5++) {
        var _hand = newList[_i5]; // encapsulate 'handler.run' not to lose the whole handler list if
        // one of the handlers throws an exception

        try {
          if (_hand.isMatch(child) && (_this6.authenticated || !_hand.user)) {
            if (_hand.run(child)) {
              _this6.handlers.push(_hand);
            }
          } else {
            _this6.handlers.push(_hand);
          }
        } catch (e) {
          // if the handler throws an exception, we consider it as false
          Strophe.warn('Removing Strophe handlers due to uncaught exception: ' + e.message);
        }
      }
    });
  },

  /** Attribute: mechanisms
   *  SASL Mechanisms available for Connection.
   */
  mechanisms: {},

  /** PrivateFunction: _connect_cb
   *  _Private_ handler for initial connection request.
   *
   *  This handler is used to process the initial connection request
   *  response from the BOSH server. It is used to set up authentication
   *  handlers and start the authentication process.
   *
   *  SASL authentication will be attempted if available, otherwise
   *  the code will fall back to legacy authentication.
   *
   *  Parameters:
   *    (Strophe.Request) req - The current request.
   *    (Function) _callback - low level (xmpp) connect callback function.
   *      Useful for plugins with their own xmpp connect callback (when they
   *      want to do something special).
   */
  _connect_cb: function _connect_cb(req, _callback, raw) {
    Strophe.info("_connect_cb was called");
    this.connected = true;
    var bodyWrap;

    try {
      bodyWrap = this._proto._reqToData(req);
    } catch (e) {
      if (e.name !== Strophe.ErrorCondition.BAD_FORMAT) {
        throw e;
      }

      this._changeConnectStatus(Strophe.Status.CONNFAIL, Strophe.ErrorCondition.BAD_FORMAT);

      this._doDisconnect(Strophe.ErrorCondition.BAD_FORMAT);
    }

    if (!bodyWrap) {
      return;
    }

    if (this.xmlInput !== Strophe.Connection.prototype.xmlInput) {
      if (bodyWrap.nodeName === this._proto.strip && bodyWrap.childNodes.length) {
        this.xmlInput(bodyWrap.childNodes[0]);
      } else {
        this.xmlInput(bodyWrap);
      }
    }

    if (this.rawInput !== Strophe.Connection.prototype.rawInput) {
      if (raw) {
        this.rawInput(raw);
      } else {
        this.rawInput(Strophe.serialize(bodyWrap));
      }
    }

    var conncheck = this._proto._connect_cb(bodyWrap);

    if (conncheck === Strophe.Status.CONNFAIL) {
      return;
    } // Check for the stream:features tag


    var hasFeatures;

    if (bodyWrap.getElementsByTagNameNS) {
      hasFeatures = bodyWrap.getElementsByTagNameNS(Strophe.NS.STREAM, "features").length > 0;
    } else {
      hasFeatures = bodyWrap.getElementsByTagName("stream:features").length > 0 || bodyWrap.getElementsByTagName("features").length > 0;
    }

    if (!hasFeatures) {
      this._proto._no_auth_received(_callback);

      return;
    }

    var matched = [];
    var mechanisms = bodyWrap.getElementsByTagName("mechanism");

    if (mechanisms.length > 0) {
      for (var i = 0; i < mechanisms.length; i++) {
        var mech = Strophe.getText(mechanisms[i]);
        if (this.mechanisms[mech]) matched.push(this.mechanisms[mech]);
      }
    }

    if (matched.length === 0) {
      if (bodyWrap.getElementsByTagName("auth").length === 0) {
        // There are no matching SASL mechanisms and also no legacy
        // auth available.
        this._proto._no_auth_received(_callback);

        return;
      }
    }

    if (this.do_authentication !== false) {
      this.authenticate(matched);
    }
  },

  /** Function: sortMechanismsByPriority
   *
   *  Sorts an array of objects with prototype SASLMechanism according to
   *  their priorities.
   *
   *  Parameters:
   *    (Array) mechanisms - Array of SASL mechanisms.
   *
   */
  sortMechanismsByPriority: function sortMechanismsByPriority(mechanisms) {
    // Sorting mechanisms according to priority.
    for (var i = 0; i < mechanisms.length - 1; ++i) {
      var higher = i;

      for (var j = i + 1; j < mechanisms.length; ++j) {
        if (mechanisms[j].prototype.priority > mechanisms[higher].prototype.priority) {
          higher = j;
        }
      }

      if (higher !== i) {
        var swap = mechanisms[i];
        mechanisms[i] = mechanisms[higher];
        mechanisms[higher] = swap;
      }
    }

    return mechanisms;
  },

  /** PrivateFunction: _attemptSASLAuth
   *
   *  Iterate through an array of SASL mechanisms and attempt authentication
   *  with the highest priority (enabled) mechanism.
   *
   *  Parameters:
   *    (Array) mechanisms - Array of SASL mechanisms.
   *
   *  Returns:
   *    (Boolean) mechanism_found - true or false, depending on whether a
   *          valid SASL mechanism was found with which authentication could be
   *          started.
   */
  _attemptSASLAuth: function _attemptSASLAuth(mechanisms) {
    mechanisms = this.sortMechanismsByPriority(mechanisms || []);
    var mechanism_found = false;

    for (var i = 0; i < mechanisms.length; ++i) {
      if (!mechanisms[i].prototype.test(this)) {
        continue;
      }

      this._sasl_success_handler = this._addSysHandler(this._sasl_success_cb.bind(this), null, "success", null, null);
      this._sasl_failure_handler = this._addSysHandler(this._sasl_failure_cb.bind(this), null, "failure", null, null);
      this._sasl_challenge_handler = this._addSysHandler(this._sasl_challenge_cb.bind(this), null, "challenge", null, null);
      this._sasl_mechanism = new mechanisms[i]();

      this._sasl_mechanism.onStart(this);

      var request_auth_exchange = $build("auth", {
        'xmlns': Strophe.NS.SASL,
        'mechanism': this._sasl_mechanism.name
      });

      if (this._sasl_mechanism.isClientFirst) {
        var response = this._sasl_mechanism.onChallenge(this, null);

        request_auth_exchange.t(btoa(response));
      }

      this.send(request_auth_exchange.tree());
      mechanism_found = true;
      break;
    }

    return mechanism_found;
  },

  /** PrivateFunction: _attemptLegacyAuth
   *
   *  Attempt legacy (i.e. non-SASL) authentication.
   *
   */
  _attemptLegacyAuth: function _attemptLegacyAuth() {
    if (Strophe.getNodeFromJid(this.jid) === null) {
      // we don't have a node, which is required for non-anonymous
      // client connections
      this._changeConnectStatus(Strophe.Status.CONNFAIL, Strophe.ErrorCondition.MISSING_JID_NODE);

      this.disconnect(Strophe.ErrorCondition.MISSING_JID_NODE);
    } else {
      // Fall back to legacy authentication
      this._changeConnectStatus(Strophe.Status.AUTHENTICATING, null);

      this._addSysHandler(this._auth1_cb.bind(this), null, null, null, "_auth_1");

      this.send($iq({
        'type': "get",
        'to': this.domain,
        'id': "_auth_1"
      }).c("query", {
        xmlns: Strophe.NS.AUTH
      }).c("username", {}).t(Strophe.getNodeFromJid(this.jid)).tree());
    }
  },

  /** Function: authenticate
   * Set up authentication
   *
   *  Continues the initial connection request by setting up authentication
   *  handlers and starting the authentication process.
   *
   *  SASL authentication will be attempted if available, otherwise
   *  the code will fall back to legacy authentication.
   *
   *  Parameters:
   *    (Array) matched - Array of SASL mechanisms supported.
   *
   */
  authenticate: function authenticate(matched) {
    if (!this._attemptSASLAuth(matched)) {
      this._attemptLegacyAuth();
    }
  },

  /** PrivateFunction: _sasl_challenge_cb
   *  _Private_ handler for the SASL challenge
   *
   */
  _sasl_challenge_cb: function _sasl_challenge_cb(elem) {
    var challenge = atob(Strophe.getText(elem));

    var response = this._sasl_mechanism.onChallenge(this, challenge);

    var stanza = $build('response', {
      'xmlns': Strophe.NS.SASL
    });

    if (response !== "") {
      stanza.t(btoa(response));
    }

    this.send(stanza.tree());
    return true;
  },

  /** PrivateFunction: _auth1_cb
   *  _Private_ handler for legacy authentication.
   *
   *  This handler is called in response to the initial <iq type='get'/>
   *  for legacy authentication.  It builds an authentication <iq/> and
   *  sends it, creating a handler (calling back to _auth2_cb()) to
   *  handle the result
   *
   *  Parameters:
   *    (XMLElement) elem - The stanza that triggered the callback.
   *
   *  Returns:
   *    false to remove the handler.
   */

  /* jshint unused:false */
  _auth1_cb: function _auth1_cb(elem) {
    // build plaintext auth iq
    var iq = $iq({
      type: "set",
      id: "_auth_2"
    }).c('query', {
      xmlns: Strophe.NS.AUTH
    }).c('username', {}).t(Strophe.getNodeFromJid(this.jid)).up().c('password').t(this.pass);

    if (!Strophe.getResourceFromJid(this.jid)) {
      // since the user has not supplied a resource, we pick
      // a default one here.  unlike other auth methods, the server
      // cannot do this for us.
      this.jid = Strophe.getBareJidFromJid(this.jid) + '/strophe';
    }

    iq.up().c('resource', {}).t(Strophe.getResourceFromJid(this.jid));

    this._addSysHandler(this._auth2_cb.bind(this), null, null, null, "_auth_2");

    this.send(iq.tree());
    return false;
  },

  /* jshint unused:true */

  /** PrivateFunction: _sasl_success_cb
   *  _Private_ handler for succesful SASL authentication.
   *
   *  Parameters:
   *    (XMLElement) elem - The matching stanza.
   *
   *  Returns:
   *    false to remove the handler.
   */
  _sasl_success_cb: function _sasl_success_cb(elem) {
    var _this7 = this;

    if (this._sasl_data["server-signature"]) {
      var serverSignature;
      var success = atob(Strophe.getText(elem));
      var attribMatch = /([a-z]+)=([^,]+)(,|$)/;
      var matches = success.match(attribMatch);

      if (matches[1] === "v") {
        serverSignature = matches[2];
      }

      if (serverSignature !== this._sasl_data["server-signature"]) {
        // remove old handlers
        this.deleteHandler(this._sasl_failure_handler);
        this._sasl_failure_handler = null;

        if (this._sasl_challenge_handler) {
          this.deleteHandler(this._sasl_challenge_handler);
          this._sasl_challenge_handler = null;
        }

        this._sasl_data = {};
        return this._sasl_failure_cb(null);
      }
    }

    Strophe.info("SASL authentication succeeded.");

    if (this._sasl_mechanism) {
      this._sasl_mechanism.onSuccess();
    } // remove old handlers


    this.deleteHandler(this._sasl_failure_handler);
    this._sasl_failure_handler = null;

    if (this._sasl_challenge_handler) {
      this.deleteHandler(this._sasl_challenge_handler);
      this._sasl_challenge_handler = null;
    }

    var streamfeature_handlers = [];

    var wrapper = function wrapper(handlers, elem) {
      while (handlers.length) {
        _this7.deleteHandler(handlers.pop());
      }

      _this7._sasl_auth1_cb(elem);

      return false;
    };

    streamfeature_handlers.push(this._addSysHandler(function (elem) {
      return wrapper(streamfeature_handlers, elem);
    }, null, "stream:features", null, null));
    streamfeature_handlers.push(this._addSysHandler(function (elem) {
      return wrapper(streamfeature_handlers, elem);
    }, Strophe.NS.STREAM, "features", null, null)); // we must send an xmpp:restart now

    this._sendRestart();

    return false;
  },

  /** PrivateFunction: _sasl_auth1_cb
   *  _Private_ handler to start stream binding.
   *
   *  Parameters:
   *    (XMLElement) elem - The matching stanza.
   *
   *  Returns:
   *    false to remove the handler.
   */
  _sasl_auth1_cb: function _sasl_auth1_cb(elem) {
    // save stream:features for future usage
    this.features = elem;

    for (var i = 0; i < elem.childNodes.length; i++) {
      var child = elem.childNodes[i];

      if (child.nodeName === 'bind') {
        this.do_bind = true;
      }

      if (child.nodeName === 'session') {
        this.do_session = true;
      }
    }

    if (!this.do_bind) {
      this._changeConnectStatus(Strophe.Status.AUTHFAIL, null);

      return false;
    } else {
      this._addSysHandler(this._sasl_bind_cb.bind(this), null, null, null, "_bind_auth_2");

      var resource = Strophe.getResourceFromJid(this.jid);

      if (resource) {
        this.send($iq({
          type: "set",
          id: "_bind_auth_2"
        }).c('bind', {
          xmlns: Strophe.NS.BIND
        }).c('resource', {}).t(resource).tree());
      } else {
        this.send($iq({
          type: "set",
          id: "_bind_auth_2"
        }).c('bind', {
          xmlns: Strophe.NS.BIND
        }).tree());
      }
    }

    return false;
  },

  /** PrivateFunction: _sasl_bind_cb
   *  _Private_ handler for binding result and session start.
   *
   *  Parameters:
   *    (XMLElement) elem - The matching stanza.
   *
   *  Returns:
   *    false to remove the handler.
   */
  _sasl_bind_cb: function _sasl_bind_cb(elem) {
    if (elem.getAttribute("type") === "error") {
      Strophe.info("SASL binding failed.");
      var conflict = elem.getElementsByTagName("conflict");
      var condition;

      if (conflict.length > 0) {
        condition = Strophe.ErrorCondition.CONFLICT;
      }

      this._changeConnectStatus(Strophe.Status.AUTHFAIL, condition, elem);

      return false;
    } // TODO - need to grab errors


    var bind = elem.getElementsByTagName("bind");

    if (bind.length > 0) {
      var jidNode = bind[0].getElementsByTagName("jid");

      if (jidNode.length > 0) {
        this.jid = Strophe.getText(jidNode[0]);

        if (this.do_session) {
          this._addSysHandler(this._sasl_session_cb.bind(this), null, null, null, "_session_auth_2");

          this.send($iq({
            type: "set",
            id: "_session_auth_2"
          }).c('session', {
            xmlns: Strophe.NS.SESSION
          }).tree());
        } else {
          this.authenticated = true;

          this._changeConnectStatus(Strophe.Status.CONNECTED, null);
        }
      }
    } else {
      Strophe.info("SASL binding failed.");

      this._changeConnectStatus(Strophe.Status.AUTHFAIL, null, elem);

      return false;
    }
  },

  /** PrivateFunction: _sasl_session_cb
   *  _Private_ handler to finish successful SASL connection.
   *
   *  This sets Connection.authenticated to true on success, which
   *  starts the processing of user handlers.
   *
   *  Parameters:
   *    (XMLElement) elem - The matching stanza.
   *
   *  Returns:
   *    false to remove the handler.
   */
  _sasl_session_cb: function _sasl_session_cb(elem) {
    if (elem.getAttribute("type") === "result") {
      this.authenticated = true;

      this._changeConnectStatus(Strophe.Status.CONNECTED, null);
    } else if (elem.getAttribute("type") === "error") {
      Strophe.info("Session creation failed.");

      this._changeConnectStatus(Strophe.Status.AUTHFAIL, null, elem);

      return false;
    }

    return false;
  },

  /** PrivateFunction: _sasl_failure_cb
   *  _Private_ handler for SASL authentication failure.
   *
   *  Parameters:
   *    (XMLElement) elem - The matching stanza.
   *
   *  Returns:
   *    false to remove the handler.
   */

  /* jshint unused:false */
  _sasl_failure_cb: function _sasl_failure_cb(elem) {
    // delete unneeded handlers
    if (this._sasl_success_handler) {
      this.deleteHandler(this._sasl_success_handler);
      this._sasl_success_handler = null;
    }

    if (this._sasl_challenge_handler) {
      this.deleteHandler(this._sasl_challenge_handler);
      this._sasl_challenge_handler = null;
    }

    if (this._sasl_mechanism) this._sasl_mechanism.onFailure();

    this._changeConnectStatus(Strophe.Status.AUTHFAIL, null, elem);

    return false;
  },

  /* jshint unused:true */

  /** PrivateFunction: _auth2_cb
   *  _Private_ handler to finish legacy authentication.
   *
   *  This handler is called when the result from the jabber:iq:auth
   *  <iq/> stanza is returned.
   *
   *  Parameters:
   *    (XMLElement) elem - The stanza that triggered the callback.
   *
   *  Returns:
   *    false to remove the handler.
   */
  _auth2_cb: function _auth2_cb(elem) {
    if (elem.getAttribute("type") === "result") {
      this.authenticated = true;

      this._changeConnectStatus(Strophe.Status.CONNECTED, null);
    } else if (elem.getAttribute("type") === "error") {
      this._changeConnectStatus(Strophe.Status.AUTHFAIL, null, elem);

      this.disconnect('authentication failed');
    }

    return false;
  },

  /** PrivateFunction: _addSysTimedHandler
   *  _Private_ function to add a system level timed handler.
   *
   *  This function is used to add a Strophe.TimedHandler for the
   *  library code.  System timed handlers are allowed to run before
   *  authentication is complete.
   *
   *  Parameters:
   *    (Integer) period - The period of the handler.
   *    (Function) handler - The callback function.
   */
  _addSysTimedHandler: function _addSysTimedHandler(period, handler) {
    var thand = new Strophe.TimedHandler(period, handler);
    thand.user = false;
    this.addTimeds.push(thand);
    return thand;
  },

  /** PrivateFunction: _addSysHandler
   *  _Private_ function to add a system level stanza handler.
   *
   *  This function is used to add a Strophe.Handler for the
   *  library code.  System stanza handlers are allowed to run before
   *  authentication is complete.
   *
   *  Parameters:
   *    (Function) handler - The callback function.
   *    (String) ns - The namespace to match.
   *    (String) name - The stanza name to match.
   *    (String) type - The stanza type attribute to match.
   *    (String) id - The stanza id attribute to match.
   */
  _addSysHandler: function _addSysHandler(handler, ns, name, type, id) {
    var hand = new Strophe.Handler(handler, ns, name, type, id);
    hand.user = false;
    this.addHandlers.push(hand);
    return hand;
  },

  /** PrivateFunction: _onDisconnectTimeout
   *  _Private_ timeout handler for handling non-graceful disconnection.
   *
   *  If the graceful disconnect process does not complete within the
   *  time allotted, this handler finishes the disconnect anyway.
   *
   *  Returns:
   *    false to remove the handler.
   */
  _onDisconnectTimeout: function _onDisconnectTimeout() {
    Strophe.info("_onDisconnectTimeout was called");

    this._changeConnectStatus(Strophe.Status.CONNTIMEOUT, null);

    this._proto._onDisconnectTimeout(); // actually disconnect


    this._doDisconnect();

    return false;
  },

  /** PrivateFunction: _onIdle
   *  _Private_ handler to process events during idle cycle.
   *
   *  This handler is called every 100ms to fire timed handlers that
   *  are ready and keep poll requests going.
   */
  _onIdle: function _onIdle() {
    var _this8 = this;

    // add timed handlers scheduled for addition
    // NOTE: we add before remove in the case a timed handler is
    // added and then deleted before the next _onIdle() call.
    while (this.addTimeds.length > 0) {
      this.timedHandlers.push(this.addTimeds.pop());
    } // remove timed handlers that have been scheduled for deletion


    while (this.removeTimeds.length > 0) {
      var thand = this.removeTimeds.pop();
      var i = this.timedHandlers.indexOf(thand);

      if (i >= 0) {
        this.timedHandlers.splice(i, 1);
      }
    } // call ready timed handlers


    var now = new Date().getTime();
    var newList = [];

    for (var _i6 = 0; _i6 < this.timedHandlers.length; _i6++) {
      var _thand = this.timedHandlers[_i6];

      if (this.authenticated || !_thand.user) {
        var since = _thand.lastCalled + _thand.period;

        if (since - now <= 0) {
          if (_thand.run()) {
            newList.push(_thand);
          }
        } else {
          newList.push(_thand);
        }
      }
    }

    this.timedHandlers = newList;
    clearTimeout(this._idleTimeout);

    this._proto._onIdle(); // reactivate the timer only if connected


    if (this.connected) {
      this._idleTimeout = setTimeout(function () {
        return _this8._onIdle();
      }, 100);
    }
  }
};
/** Class: Strophe.SASLMechanism
 *
 *  encapsulates SASL authentication mechanisms.
 *
 *  User code may override the priority for each mechanism or disable it completely.
 *  See <priority> for information about changing priority and <test> for informatian on
 *  how to disable a mechanism.
 *
 *  By default, all mechanisms are enabled and the priorities are
 *
 *      OAUTHBEARER - 60
 *      SCRAM-SHA1 - 50
 *      DIGEST-MD5 - 40
 *      PLAIN - 30
 *      ANONYMOUS - 20
 *      EXTERNAL - 10
 *
 *  See: Strophe.Connection.addSupportedSASLMechanisms
 */

/**
 * PrivateConstructor: Strophe.SASLMechanism
 * SASL auth mechanism abstraction.
 *
 *  Parameters:
 *    (String) name - SASL Mechanism name.
 *    (Boolean) isClientFirst - If client should send response first without challenge.
 *    (Number) priority - Priority.
 *
 *  Returns:
 *    A new Strophe.SASLMechanism object.
 */

Strophe.SASLMechanism = function (name, isClientFirst, priority) {
  /** PrivateVariable: name
   *  Mechanism name.
   */
  this.name = name;
  /** PrivateVariable: isClientFirst
   *  If client sends response without initial server challenge.
   */

  this.isClientFirst = isClientFirst;
  /** Variable: priority
   *  Determines which <SASLMechanism> is chosen for authentication (Higher is better).
   *  Users may override this to prioritize mechanisms differently.
   *
   *  In the default configuration the priorities are
   *
   *  SCRAM-SHA1 - 40
   *  DIGEST-MD5 - 30
   *  Plain - 20
   *
   *  Example: (This will cause Strophe to choose the mechanism that the server sent first)
   *
   *  > Strophe.SASLMD5.priority = Strophe.SASLSHA1.priority;
   *
   *  See <SASL mechanisms> for a list of available mechanisms.
   *
   */

  this.priority = priority;
};

Strophe.SASLMechanism.prototype = {
  /**
   *  Function: test
   *  Checks if mechanism able to run.
   *  To disable a mechanism, make this return false;
   *
   *  To disable plain authentication run
   *  > Strophe.SASLPlain.test = function() {
   *  >   return false;
   *  > }
   *
   *  See <SASL mechanisms> for a list of available mechanisms.
   *
   *  Parameters:
   *    (Strophe.Connection) connection - Target Connection.
   *
   *  Returns:
   *    (Boolean) If mechanism was able to run.
   */

  /* jshint unused:false */
  test: function test(connection) {
    return true;
  },

  /* jshint unused:true */

  /** PrivateFunction: onStart
   *  Called before starting mechanism on some connection.
   *
   *  Parameters:
   *    (Strophe.Connection) connection - Target Connection.
   */
  onStart: function onStart(connection) {
    this._connection = connection;
  },

  /** PrivateFunction: onChallenge
   *  Called by protocol implementation on incoming challenge. If client is
   *  first (isClientFirst === true) challenge will be null on the first call.
   *
   *  Parameters:
   *    (Strophe.Connection) connection - Target Connection.
   *    (String) challenge - current challenge to handle.
   *
   *  Returns:
   *    (String) Mechanism response.
   */

  /* jshint unused:false */
  onChallenge: function onChallenge(connection, challenge) {
    throw new Error("You should implement challenge handling!");
  },

  /* jshint unused:true */

  /** PrivateFunction: onFailure
   *  Protocol informs mechanism implementation about SASL failure.
   */
  onFailure: function onFailure() {
    this._connection = null;
  },

  /** PrivateFunction: onSuccess
   *  Protocol informs mechanism implementation about SASL success.
   */
  onSuccess: function onSuccess() {
    this._connection = null;
  }
};
/** Constants: SASL mechanisms
 *  Available authentication mechanisms
 *
 *  Strophe.SASLAnonymous - SASL ANONYMOUS authentication.
 *  Strophe.SASLPlain - SASL PLAIN authentication.
 *  Strophe.SASLMD5 - SASL DIGEST-MD5 authentication
 *  Strophe.SASLSHA1 - SASL SCRAM-SHA1 authentication
 *  Strophe.SASLOAuthBearer - SASL OAuth Bearer authentication
 *  Strophe.SASLExternal - SASL EXTERNAL authentication
 *  Strophe.SASLXOAuth2 - SASL X-OAuth2 authentication
 */
// Building SASL callbacks

/** PrivateConstructor: SASLAnonymous
 *  SASL ANONYMOUS authentication.
 */

Strophe.SASLAnonymous = function () {};

Strophe.SASLAnonymous.prototype = new Strophe.SASLMechanism("ANONYMOUS", false, 20);

Strophe.SASLAnonymous.prototype.test = function (connection) {
  return connection.authcid === null;
};
/** PrivateConstructor: SASLPlain
 *  SASL PLAIN authentication.
 */


Strophe.SASLPlain = function () {};

Strophe.SASLPlain.prototype = new Strophe.SASLMechanism("PLAIN", true, 50);

Strophe.SASLPlain.prototype.test = function (connection) {
  return connection.authcid !== null;
};

Strophe.SASLPlain.prototype.onChallenge = function (connection) {
  var auth_str = connection.authzid;
  auth_str = auth_str + "\0";
  auth_str = auth_str + connection.authcid;
  auth_str = auth_str + "\0";
  auth_str = auth_str + connection.pass;
  return utils__WEBPACK_IMPORTED_MODULE_2__["default"].utf16to8(auth_str);
};
/** PrivateConstructor: SASLSHA1
 *  SASL SCRAM SHA 1 authentication.
 */


Strophe.SASLSHA1 = function () {};

Strophe.SASLSHA1.prototype = new Strophe.SASLMechanism("SCRAM-SHA-1", true, 70);

Strophe.SASLSHA1.prototype.test = function (connection) {
  return connection.authcid !== null;
};

Strophe.SASLSHA1.prototype.onChallenge = function (connection, challenge, test_cnonce) {
  var cnonce = test_cnonce || md5__WEBPACK_IMPORTED_MODULE_0__["default"].hexdigest(Math.random() * 1234567890);
  var auth_str = "n=" + utils__WEBPACK_IMPORTED_MODULE_2__["default"].utf16to8(connection.authcid);
  auth_str += ",r=";
  auth_str += cnonce;
  connection._sasl_data.cnonce = cnonce;
  connection._sasl_data["client-first-message-bare"] = auth_str;
  auth_str = "n,," + auth_str;

  this.onChallenge = function (connection, challenge) {
    var nonce, salt, iter, Hi, U, U_old, i, k;
    var responseText = "c=biws,";
    var authMessage = "".concat(connection._sasl_data["client-first-message-bare"], ",").concat(challenge, ",");
    var cnonce = connection._sasl_data.cnonce;
    var attribMatch = /([a-z]+)=([^,]+)(,|$)/;

    while (challenge.match(attribMatch)) {
      var matches = challenge.match(attribMatch);
      challenge = challenge.replace(matches[0], "");

      switch (matches[1]) {
        case "r":
          nonce = matches[2];
          break;

        case "s":
          salt = matches[2];
          break;

        case "i":
          iter = matches[2];
          break;
      }
    }

    if (nonce.substr(0, cnonce.length) !== cnonce) {
      connection._sasl_data = {};
      return connection._sasl_failure_cb();
    }

    responseText += "r=" + nonce;
    authMessage += responseText;
    salt = atob(salt);
    salt += "\x00\x00\x00\x01";
    var pass = utils__WEBPACK_IMPORTED_MODULE_2__["default"].utf16to8(connection.pass);
    Hi = U_old = sha1__WEBPACK_IMPORTED_MODULE_1__["default"].core_hmac_sha1(pass, salt);

    for (i = 1; i < iter; i++) {
      U = sha1__WEBPACK_IMPORTED_MODULE_1__["default"].core_hmac_sha1(pass, sha1__WEBPACK_IMPORTED_MODULE_1__["default"].binb2str(U_old));

      for (k = 0; k < 5; k++) {
        Hi[k] ^= U[k];
      }

      U_old = U;
    }

    Hi = sha1__WEBPACK_IMPORTED_MODULE_1__["default"].binb2str(Hi);
    var clientKey = sha1__WEBPACK_IMPORTED_MODULE_1__["default"].core_hmac_sha1(Hi, "Client Key");
    var serverKey = sha1__WEBPACK_IMPORTED_MODULE_1__["default"].str_hmac_sha1(Hi, "Server Key");
    var clientSignature = sha1__WEBPACK_IMPORTED_MODULE_1__["default"].core_hmac_sha1(sha1__WEBPACK_IMPORTED_MODULE_1__["default"].str_sha1(sha1__WEBPACK_IMPORTED_MODULE_1__["default"].binb2str(clientKey)), authMessage);
    connection._sasl_data["server-signature"] = sha1__WEBPACK_IMPORTED_MODULE_1__["default"].b64_hmac_sha1(serverKey, authMessage);

    for (k = 0; k < 5; k++) {
      clientKey[k] ^= clientSignature[k];
    }

    responseText += ",p=" + btoa(sha1__WEBPACK_IMPORTED_MODULE_1__["default"].binb2str(clientKey));
    return responseText;
  };

  return auth_str;
};
/** PrivateConstructor: SASLMD5
 *  SASL DIGEST MD5 authentication.
 */


Strophe.SASLMD5 = function () {};

Strophe.SASLMD5.prototype = new Strophe.SASLMechanism("DIGEST-MD5", false, 60);

Strophe.SASLMD5.prototype.test = function (connection) {
  return connection.authcid !== null;
};
/** PrivateFunction: _quote
 *  _Private_ utility function to backslash escape and quote strings.
 *
 *  Parameters:
 *    (String) str - The string to be quoted.
 *
 *  Returns:
 *    quoted string
 */


Strophe.SASLMD5.prototype._quote = function (str) {
  return '"' + str.replace(/\\/g, "\\\\").replace(/"/g, '\\"') + '"'; //" end string workaround for emacs
};

Strophe.SASLMD5.prototype.onChallenge = function (connection, challenge, test_cnonce) {
  var attribMatch = /([a-z]+)=("[^"]+"|[^,"]+)(?:,|$)/;
  var cnonce = test_cnonce || md5__WEBPACK_IMPORTED_MODULE_0__["default"].hexdigest("" + Math.random() * 1234567890);
  var realm = "";
  var host = null;
  var nonce = "";
  var qop = "";

  while (challenge.match(attribMatch)) {
    var matches = challenge.match(attribMatch);
    challenge = challenge.replace(matches[0], "");
    matches[2] = matches[2].replace(/^"(.+)"$/, "$1");

    switch (matches[1]) {
      case "realm":
        realm = matches[2];
        break;

      case "nonce":
        nonce = matches[2];
        break;

      case "qop":
        qop = matches[2];
        break;

      case "host":
        host = matches[2];
        break;
    }
  }

  var digest_uri = connection.servtype + "/" + connection.domain;

  if (host !== null) {
    digest_uri = digest_uri + "/" + host;
  }

  var cred = utils__WEBPACK_IMPORTED_MODULE_2__["default"].utf16to8(connection.authcid + ":" + realm + ":" + this._connection.pass);
  var A1 = md5__WEBPACK_IMPORTED_MODULE_0__["default"].hash(cred) + ":" + nonce + ":" + cnonce;
  var A2 = 'AUTHENTICATE:' + digest_uri;
  var responseText = "";
  responseText += 'charset=utf-8,';
  responseText += 'username=' + this._quote(utils__WEBPACK_IMPORTED_MODULE_2__["default"].utf16to8(connection.authcid)) + ',';
  responseText += 'realm=' + this._quote(realm) + ',';
  responseText += 'nonce=' + this._quote(nonce) + ',';
  responseText += 'nc=00000001,';
  responseText += 'cnonce=' + this._quote(cnonce) + ',';
  responseText += 'digest-uri=' + this._quote(digest_uri) + ',';
  responseText += 'response=' + md5__WEBPACK_IMPORTED_MODULE_0__["default"].hexdigest(md5__WEBPACK_IMPORTED_MODULE_0__["default"].hexdigest(A1) + ":" + nonce + ":00000001:" + cnonce + ":auth:" + md5__WEBPACK_IMPORTED_MODULE_0__["default"].hexdigest(A2)) + ",";
  responseText += 'qop=auth';

  this.onChallenge = function () {
    return "";
  };

  return responseText;
};
/** PrivateConstructor: SASLOAuthBearer
 *  SASL OAuth Bearer authentication.
 */


Strophe.SASLOAuthBearer = function () {};

Strophe.SASLOAuthBearer.prototype = new Strophe.SASLMechanism("OAUTHBEARER", true, 40);

Strophe.SASLOAuthBearer.prototype.test = function (connection) {
  return connection.pass !== null;
};

Strophe.SASLOAuthBearer.prototype.onChallenge = function (connection) {
  var auth_str = 'n,';

  if (connection.authcid !== null) {
    auth_str = auth_str + 'a=' + connection.authzid;
  }

  auth_str = auth_str + ',';
  auth_str = auth_str + "\x01";
  auth_str = auth_str + 'auth=Bearer ';
  auth_str = auth_str + connection.pass;
  auth_str = auth_str + "\x01";
  auth_str = auth_str + "\x01";
  return utils__WEBPACK_IMPORTED_MODULE_2__["default"].utf16to8(auth_str);
};
/** PrivateConstructor: SASLExternal
 *  SASL EXTERNAL authentication.
 *
 *  The EXTERNAL mechanism allows a client to request the server to use
 *  credentials established by means external to the mechanism to
 *  authenticate the client. The external means may be, for instance,
 *  TLS services.
 */


Strophe.SASLExternal = function () {};

Strophe.SASLExternal.prototype = new Strophe.SASLMechanism("EXTERNAL", true, 10);

Strophe.SASLExternal.prototype.onChallenge = function (connection) {
  /** According to XEP-178, an authzid SHOULD NOT be presented when the
   * authcid contained or implied in the client certificate is the JID (i.e.
   * authzid) with which the user wants to log in as.
   *
   * To NOT send the authzid, the user should therefore set the authcid equal
   * to the JID when instantiating a new Strophe.Connection object.
   */
  return connection.authcid === connection.authzid ? '' : connection.authzid;
};
/** PrivateConstructor: SASLXOAuth2
 *  SASL X-OAuth2 authentication.
 */


Strophe.SASLXOAuth2 = function () {};

Strophe.SASLXOAuth2.prototype = new Strophe.SASLMechanism("X-OAUTH2", true, 30);

Strophe.SASLXOAuth2.prototype.test = function (connection) {
  return connection.pass !== null;
};

Strophe.SASLXOAuth2.prototype.onChallenge = function (connection) {
  var auth_str = "\0";

  if (connection.authcid !== null) {
    auth_str = auth_str + connection.authzid;
  }

  auth_str = auth_str + "\0";
  auth_str = auth_str + connection.pass;
  return utils__WEBPACK_IMPORTED_MODULE_2__["default"].utf16to8(auth_str);
};

/* harmony default export */ __webpack_exports__["default"] = ({
  'Strophe': Strophe,
  '$build': $build,
  '$iq': $iq,
  '$msg': $msg,
  '$pres': $pres,
  'SHA1': sha1__WEBPACK_IMPORTED_MODULE_1__["default"],
  'MD5': md5__WEBPACK_IMPORTED_MODULE_0__["default"],
  'b64_hmac_sha1': sha1__WEBPACK_IMPORTED_MODULE_1__["default"].b64_hmac_sha1,
  'b64_sha1': sha1__WEBPACK_IMPORTED_MODULE_1__["default"].b64_sha1,
  'str_hmac_sha1': sha1__WEBPACK_IMPORTED_MODULE_1__["default"].str_hmac_sha1,
  'str_sha1': sha1__WEBPACK_IMPORTED_MODULE_1__["default"].str_sha1
});

/***/ }),

/***/ "./src/md5.js":
/*!********************!*\
  !*** ./src/md5.js ***!
  \********************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "default", function() { return MD5; });
/*
 * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
 * Digest Algorithm, as defined in RFC 1321.
 * Version 2.1 Copyright (C) Paul Johnston 1999 - 2002.
 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
 * Distributed under the BSD License
 * See http://pajhome.org.uk/crypt/md5 for more info.
 */

/*
 * Everything that isn't used by Strophe has been stripped here!
 */

/*
 * Add integers, wrapping at 2^32. This uses 16-bit operations internally
 * to work around bugs in some JS interpreters.
 */
var safe_add = function safe_add(x, y) {
  var lsw = (x & 0xFFFF) + (y & 0xFFFF);
  var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
  return msw << 16 | lsw & 0xFFFF;
};
/*
 * Bitwise rotate a 32-bit number to the left.
 */


var bit_rol = function bit_rol(num, cnt) {
  return num << cnt | num >>> 32 - cnt;
};
/*
 * Convert a string to an array of little-endian words
 */


var str2binl = function str2binl(str) {
  var bin = [];

  for (var i = 0; i < str.length * 8; i += 8) {
    bin[i >> 5] |= (str.charCodeAt(i / 8) & 255) << i % 32;
  }

  return bin;
};
/*
 * Convert an array of little-endian words to a string
 */


var binl2str = function binl2str(bin) {
  var str = "";

  for (var i = 0; i < bin.length * 32; i += 8) {
    str += String.fromCharCode(bin[i >> 5] >>> i % 32 & 255);
  }

  return str;
};
/*
 * Convert an array of little-endian words to a hex string.
 */


var binl2hex = function binl2hex(binarray) {
  var hex_tab = "0123456789abcdef";
  var str = "";

  for (var i = 0; i < binarray.length * 4; i++) {
    str += hex_tab.charAt(binarray[i >> 2] >> i % 4 * 8 + 4 & 0xF) + hex_tab.charAt(binarray[i >> 2] >> i % 4 * 8 & 0xF);
  }

  return str;
};
/*
 * These functions implement the four basic operations the algorithm uses.
 */


var md5_cmn = function md5_cmn(q, a, b, x, s, t) {
  return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s), b);
};

var md5_ff = function md5_ff(a, b, c, d, x, s, t) {
  return md5_cmn(b & c | ~b & d, a, b, x, s, t);
};

var md5_gg = function md5_gg(a, b, c, d, x, s, t) {
  return md5_cmn(b & d | c & ~d, a, b, x, s, t);
};

var md5_hh = function md5_hh(a, b, c, d, x, s, t) {
  return md5_cmn(b ^ c ^ d, a, b, x, s, t);
};

var md5_ii = function md5_ii(a, b, c, d, x, s, t) {
  return md5_cmn(c ^ (b | ~d), a, b, x, s, t);
};
/*
 * Calculate the MD5 of an array of little-endian words, and a bit length
 */


var core_md5 = function core_md5(x, len) {
  /* append padding */
  x[len >> 5] |= 0x80 << len % 32;
  x[(len + 64 >>> 9 << 4) + 14] = len;
  var a = 1732584193;
  var b = -271733879;
  var c = -1732584194;
  var d = 271733878;
  var olda, oldb, oldc, oldd;

  for (var i = 0; i < x.length; i += 16) {
    olda = a;
    oldb = b;
    oldc = c;
    oldd = d;
    a = md5_ff(a, b, c, d, x[i + 0], 7, -680876936);
    d = md5_ff(d, a, b, c, x[i + 1], 12, -389564586);
    c = md5_ff(c, d, a, b, x[i + 2], 17, 606105819);
    b = md5_ff(b, c, d, a, x[i + 3], 22, -1044525330);
    a = md5_ff(a, b, c, d, x[i + 4], 7, -176418897);
    d = md5_ff(d, a, b, c, x[i + 5], 12, 1200080426);
    c = md5_ff(c, d, a, b, x[i + 6], 17, -1473231341);
    b = md5_ff(b, c, d, a, x[i + 7], 22, -45705983);
    a = md5_ff(a, b, c, d, x[i + 8], 7, 1770035416);
    d = md5_ff(d, a, b, c, x[i + 9], 12, -1958414417);
    c = md5_ff(c, d, a, b, x[i + 10], 17, -42063);
    b = md5_ff(b, c, d, a, x[i + 11], 22, -1990404162);
    a = md5_ff(a, b, c, d, x[i + 12], 7, 1804603682);
    d = md5_ff(d, a, b, c, x[i + 13], 12, -40341101);
    c = md5_ff(c, d, a, b, x[i + 14], 17, -1502002290);
    b = md5_ff(b, c, d, a, x[i + 15], 22, 1236535329);
    a = md5_gg(a, b, c, d, x[i + 1], 5, -165796510);
    d = md5_gg(d, a, b, c, x[i + 6], 9, -1069501632);
    c = md5_gg(c, d, a, b, x[i + 11], 14, 643717713);
    b = md5_gg(b, c, d, a, x[i + 0], 20, -373897302);
    a = md5_gg(a, b, c, d, x[i + 5], 5, -701558691);
    d = md5_gg(d, a, b, c, x[i + 10], 9, 38016083);
    c = md5_gg(c, d, a, b, x[i + 15], 14, -660478335);
    b = md5_gg(b, c, d, a, x[i + 4], 20, -405537848);
    a = md5_gg(a, b, c, d, x[i + 9], 5, 568446438);
    d = md5_gg(d, a, b, c, x[i + 14], 9, -1019803690);
    c = md5_gg(c, d, a, b, x[i + 3], 14, -187363961);
    b = md5_gg(b, c, d, a, x[i + 8], 20, 1163531501);
    a = md5_gg(a, b, c, d, x[i + 13], 5, -1444681467);
    d = md5_gg(d, a, b, c, x[i + 2], 9, -51403784);
    c = md5_gg(c, d, a, b, x[i + 7], 14, 1735328473);
    b = md5_gg(b, c, d, a, x[i + 12], 20, -1926607734);
    a = md5_hh(a, b, c, d, x[i + 5], 4, -378558);
    d = md5_hh(d, a, b, c, x[i + 8], 11, -2022574463);
    c = md5_hh(c, d, a, b, x[i + 11], 16, 1839030562);
    b = md5_hh(b, c, d, a, x[i + 14], 23, -35309556);
    a = md5_hh(a, b, c, d, x[i + 1], 4, -1530992060);
    d = md5_hh(d, a, b, c, x[i + 4], 11, 1272893353);
    c = md5_hh(c, d, a, b, x[i + 7], 16, -155497632);
    b = md5_hh(b, c, d, a, x[i + 10], 23, -1094730640);
    a = md5_hh(a, b, c, d, x[i + 13], 4, 681279174);
    d = md5_hh(d, a, b, c, x[i + 0], 11, -358537222);
    c = md5_hh(c, d, a, b, x[i + 3], 16, -722521979);
    b = md5_hh(b, c, d, a, x[i + 6], 23, 76029189);
    a = md5_hh(a, b, c, d, x[i + 9], 4, -640364487);
    d = md5_hh(d, a, b, c, x[i + 12], 11, -421815835);
    c = md5_hh(c, d, a, b, x[i + 15], 16, 530742520);
    b = md5_hh(b, c, d, a, x[i + 2], 23, -995338651);
    a = md5_ii(a, b, c, d, x[i + 0], 6, -198630844);
    d = md5_ii(d, a, b, c, x[i + 7], 10, 1126891415);
    c = md5_ii(c, d, a, b, x[i + 14], 15, -1416354905);
    b = md5_ii(b, c, d, a, x[i + 5], 21, -57434055);
    a = md5_ii(a, b, c, d, x[i + 12], 6, 1700485571);
    d = md5_ii(d, a, b, c, x[i + 3], 10, -1894986606);
    c = md5_ii(c, d, a, b, x[i + 10], 15, -1051523);
    b = md5_ii(b, c, d, a, x[i + 1], 21, -2054922799);
    a = md5_ii(a, b, c, d, x[i + 8], 6, 1873313359);
    d = md5_ii(d, a, b, c, x[i + 15], 10, -30611744);
    c = md5_ii(c, d, a, b, x[i + 6], 15, -1560198380);
    b = md5_ii(b, c, d, a, x[i + 13], 21, 1309151649);
    a = md5_ii(a, b, c, d, x[i + 4], 6, -145523070);
    d = md5_ii(d, a, b, c, x[i + 11], 10, -1120210379);
    c = md5_ii(c, d, a, b, x[i + 2], 15, 718787259);
    b = md5_ii(b, c, d, a, x[i + 9], 21, -343485551);
    a = safe_add(a, olda);
    b = safe_add(b, oldb);
    c = safe_add(c, oldc);
    d = safe_add(d, oldd);
  }

  return [a, b, c, d];
};
/*
 * These are the functions you'll usually want to call.
 * They take string arguments and return either hex or base-64 encoded
 * strings.
 */


var MD5 = {
  hexdigest: function hexdigest(s) {
    return binl2hex(core_md5(str2binl(s), s.length * 8));
  },
  hash: function hash(s) {
    return binl2str(core_md5(str2binl(s), s.length * 8));
  }
};


/***/ }),

/***/ "./src/sha1.js":
/*!*********************!*\
  !*** ./src/sha1.js ***!
  \*********************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "default", function() { return SHA1; });
/*
 * A JavaScript implementation of the Secure Hash Algorithm, SHA-1, as defined
 * in FIPS PUB 180-1
 * Version 2.1a Copyright Paul Johnston 2000 - 2002.
 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
 * Distributed under the BSD License
 * See http://pajhome.org.uk/crypt/md5 for details.
 */

/* jshint undef: true, unused: true:, noarg: true, latedef: false */

/* global define */

/* Some functions and variables have been stripped for use with Strophe */

/*
 * Calculate the SHA-1 of an array of big-endian words, and a bit length
 */
function core_sha1(x, len) {
  /* append padding */
  x[len >> 5] |= 0x80 << 24 - len % 32;
  x[(len + 64 >> 9 << 4) + 15] = len;
  var w = new Array(80);
  var a = 1732584193;
  var b = -271733879;
  var c = -1732584194;
  var d = 271733878;
  var e = -1009589776;
  var i, j, t, olda, oldb, oldc, oldd, olde;

  for (i = 0; i < x.length; i += 16) {
    olda = a;
    oldb = b;
    oldc = c;
    oldd = d;
    olde = e;

    for (j = 0; j < 80; j++) {
      if (j < 16) {
        w[j] = x[i + j];
      } else {
        w[j] = rol(w[j - 3] ^ w[j - 8] ^ w[j - 14] ^ w[j - 16], 1);
      }

      t = safe_add(safe_add(rol(a, 5), sha1_ft(j, b, c, d)), safe_add(safe_add(e, w[j]), sha1_kt(j)));
      e = d;
      d = c;
      c = rol(b, 30);
      b = a;
      a = t;
    }

    a = safe_add(a, olda);
    b = safe_add(b, oldb);
    c = safe_add(c, oldc);
    d = safe_add(d, oldd);
    e = safe_add(e, olde);
  }

  return [a, b, c, d, e];
}
/*
 * Perform the appropriate triplet combination function for the current
 * iteration
 */


function sha1_ft(t, b, c, d) {
  if (t < 20) {
    return b & c | ~b & d;
  }

  if (t < 40) {
    return b ^ c ^ d;
  }

  if (t < 60) {
    return b & c | b & d | c & d;
  }

  return b ^ c ^ d;
}
/*
 * Determine the appropriate additive constant for the current iteration
 */


function sha1_kt(t) {
  return t < 20 ? 1518500249 : t < 40 ? 1859775393 : t < 60 ? -1894007588 : -899497514;
}
/*
 * Calculate the HMAC-SHA1 of a key and some data
 */


function core_hmac_sha1(key, data) {
  var bkey = str2binb(key);

  if (bkey.length > 16) {
    bkey = core_sha1(bkey, key.length * 8);
  }

  var ipad = new Array(16),
      opad = new Array(16);

  for (var i = 0; i < 16; i++) {
    ipad[i] = bkey[i] ^ 0x36363636;
    opad[i] = bkey[i] ^ 0x5C5C5C5C;
  }

  var hash = core_sha1(ipad.concat(str2binb(data)), 512 + data.length * 8);
  return core_sha1(opad.concat(hash), 512 + 160);
}
/*
 * Add integers, wrapping at 2^32. This uses 16-bit operations internally
 * to work around bugs in some JS interpreters.
 */


function safe_add(x, y) {
  var lsw = (x & 0xFFFF) + (y & 0xFFFF);
  var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
  return msw << 16 | lsw & 0xFFFF;
}
/*
 * Bitwise rotate a 32-bit number to the left.
 */


function rol(num, cnt) {
  return num << cnt | num >>> 32 - cnt;
}
/*
 * Convert an 8-bit or 16-bit string to an array of big-endian words
 * In 8-bit function, characters >255 have their hi-byte silently ignored.
 */


function str2binb(str) {
  var bin = [];
  var mask = 255;

  for (var i = 0; i < str.length * 8; i += 8) {
    bin[i >> 5] |= (str.charCodeAt(i / 8) & mask) << 24 - i % 32;
  }

  return bin;
}
/*
 * Convert an array of big-endian words to a base-64 string
 */


function binb2b64(binarray) {
  var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
  var str = "";
  var triplet, j;

  for (var i = 0; i < binarray.length * 4; i += 3) {
    triplet = (binarray[i >> 2] >> 8 * (3 - i % 4) & 0xFF) << 16 | (binarray[i + 1 >> 2] >> 8 * (3 - (i + 1) % 4) & 0xFF) << 8 | binarray[i + 2 >> 2] >> 8 * (3 - (i + 2) % 4) & 0xFF;

    for (j = 0; j < 4; j++) {
      if (i * 8 + j * 6 > binarray.length * 32) {
        str += "=";
      } else {
        str += tab.charAt(triplet >> 6 * (3 - j) & 0x3F);
      }
    }
  }

  return str;
}
/*
 * Convert an array of big-endian words to a string
 */


function binb2str(bin) {
  var str = "";
  var mask = 255;

  for (var i = 0; i < bin.length * 32; i += 8) {
    str += String.fromCharCode(bin[i >> 5] >>> 24 - i % 32 & mask);
  }

  return str;
}
/*
 * These are the functions you'll usually want to call
 * They take string arguments and return either hex or base-64 encoded strings
 */


var SHA1 = {
  b64_hmac_sha1: function b64_hmac_sha1(key, data) {
    return binb2b64(core_hmac_sha1(key, data));
  },
  b64_sha1: function b64_sha1(s) {
    return binb2b64(core_sha1(str2binb(s), s.length * 8));
  },
  binb2str: binb2str,
  core_hmac_sha1: core_hmac_sha1,
  str_hmac_sha1: function str_hmac_sha1(key, data) {
    return binb2str(core_hmac_sha1(key, data));
  },
  str_sha1: function str_sha1(s) {
    return binb2str(core_sha1(str2binb(s), s.length * 8));
  }
};


/***/ }),

/***/ "./src/strophe.js":
/*!************************!*\
  !*** ./src/strophe.js ***!
  \************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var bosh__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! bosh */ "./src/bosh.js");
/* harmony import */ var websocket__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! websocket */ "./src/websocket.js");
/* harmony import */ var core__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! core */ "./src/core.js");
/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "default", function() { return core__WEBPACK_IMPORTED_MODULE_2__["default"]; });





/***/ }),

/***/ "./src/utils.js":
/*!**********************!*\
  !*** ./src/utils.js ***!
  \**********************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "default", function() { return utils; });
function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

var utils = {
  utf16to8: function utf16to8(str) {
    var i, c;
    var out = "";
    var len = str.length;

    for (i = 0; i < len; i++) {
      c = str.charCodeAt(i);

      if (c >= 0x0000 && c <= 0x007F) {
        out += str.charAt(i);
      } else if (c > 0x07FF) {
        out += String.fromCharCode(0xE0 | c >> 12 & 0x0F);
        out += String.fromCharCode(0x80 | c >> 6 & 0x3F);
        out += String.fromCharCode(0x80 | c >> 0 & 0x3F);
      } else {
        out += String.fromCharCode(0xC0 | c >> 6 & 0x1F);
        out += String.fromCharCode(0x80 | c >> 0 & 0x3F);
      }
    }

    return out;
  },
  addCookies: function addCookies(cookies) {
    /* Parameters:
     *  (Object) cookies - either a map of cookie names
     *    to string values or to maps of cookie values.
     *
     * For example:
     * { "myCookie": "1234" }
     *
     * or:
     * { "myCookie": {
     *      "value": "1234",
     *      "domain": ".example.org",
     *      "path": "/",
     *      "expires": expirationDate
     *      }
     *  }
     *
     *  These values get passed to Strophe.Connection via
     *   options.cookies
     */
    cookies = cookies || {};

    for (var cookieName in cookies) {
      if (Object.prototype.hasOwnProperty.call(cookies, cookieName)) {
        var expires = '';
        var domain = '';
        var path = '';
        var cookieObj = cookies[cookieName];
        var isObj = _typeof(cookieObj) === "object";
        var cookieValue = escape(unescape(isObj ? cookieObj.value : cookieObj));

        if (isObj) {
          expires = cookieObj.expires ? ";expires=" + cookieObj.expires : '';
          domain = cookieObj.domain ? ";domain=" + cookieObj.domain : '';
          path = cookieObj.path ? ";path=" + cookieObj.path : '';
        }

        document.cookie = cookieName + '=' + cookieValue + expires + domain + path;
      }
    }
  }
};


/***/ }),

/***/ "./src/websocket.js":
/*!**************************!*\
  !*** ./src/websocket.js ***!
  \**************************/
/*! no exports provided */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var core__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! core */ "./src/core.js");
/*
    This program is distributed under the terms of the MIT license.
    Please see the LICENSE file for details.

    Copyright 2006-2008, OGG, LLC
*/

/* global window, clearTimeout, WebSocket, DOMParser */

var Strophe = core__WEBPACK_IMPORTED_MODULE_0__["default"].Strophe;
var $build = core__WEBPACK_IMPORTED_MODULE_0__["default"].$build;
/** Class: Strophe.WebSocket
 *  _Private_ helper class that handles WebSocket Connections
 *
 *  The Strophe.WebSocket class is used internally by Strophe.Connection
 *  to encapsulate WebSocket sessions. It is not meant to be used from user's code.
 */

/** File: websocket.js
 *  A JavaScript library to enable XMPP over Websocket in Strophejs.
 *
 *  This file implements XMPP over WebSockets for Strophejs.
 *  If a Connection is established with a Websocket url (ws://...)
 *  Strophe will use WebSockets.
 *  For more information on XMPP-over-WebSocket see RFC 7395:
 *  http://tools.ietf.org/html/rfc7395
 *
 *  WebSocket support implemented by Andreas Guth (andreas.guth@rwth-aachen.de)
 */

/** PrivateConstructor: Strophe.Websocket
 *  Create and initialize a Strophe.WebSocket object.
 *  Currently only sets the connection Object.
 *
 *  Parameters:
 *    (Strophe.Connection) connection - The Strophe.Connection that will use WebSockets.
 *
 *  Returns:
 *    A new Strophe.WebSocket object.
 */

Strophe.Websocket = function (connection) {
  this._conn = connection;
  this.strip = "wrapper";
  var service = connection.service;

  if (service.indexOf("ws:") !== 0 && service.indexOf("wss:") !== 0) {
    // If the service is not an absolute URL, assume it is a path and put the absolute
    // URL together from options, current URL and the path.
    var new_service = "";

    if (connection.options.protocol === "ws" && window.location.protocol !== "https:") {
      new_service += "ws";
    } else {
      new_service += "wss";
    }

    new_service += "://" + window.location.host;

    if (service.indexOf("/") !== 0) {
      new_service += window.location.pathname + service;
    } else {
      new_service += service;
    }

    connection.service = new_service;
  }
};

Strophe.Websocket.prototype = {
  /** PrivateFunction: _buildStream
   *  _Private_ helper function to generate the <stream> start tag for WebSockets
   *
   *  Returns:
   *    A Strophe.Builder with a <stream> element.
   */
  _buildStream: function _buildStream() {
    return $build("open", {
      "xmlns": Strophe.NS.FRAMING,
      "to": this._conn.domain,
      "version": '1.0'
    });
  },

  /** PrivateFunction: _check_streamerror
   * _Private_ checks a message for stream:error
   *
   *  Parameters:
   *    (Strophe.Request) bodyWrap - The received stanza.
   *    connectstatus - The ConnectStatus that will be set on error.
   *  Returns:
   *     true if there was a streamerror, false otherwise.
   */
  _check_streamerror: function _check_streamerror(bodyWrap, connectstatus) {
    var errors;

    if (bodyWrap.getElementsByTagNameNS) {
      errors = bodyWrap.getElementsByTagNameNS(Strophe.NS.STREAM, "error");
    } else {
      errors = bodyWrap.getElementsByTagName("stream:error");
    }

    if (errors.length === 0) {
      return false;
    }

    var error = errors[0];
    var condition = "";
    var text = "";
    var ns = "urn:ietf:params:xml:ns:xmpp-streams";

    for (var i = 0; i < error.childNodes.length; i++) {
      var e = error.childNodes[i];

      if (e.getAttribute("xmlns") !== ns) {
        break;
      }

      if (e.nodeName === "text") {
        text = e.textContent;
      } else {
        condition = e.nodeName;
      }
    }

    var errorString = "WebSocket stream error: ";

    if (condition) {
      errorString += condition;
    } else {
      errorString += "unknown";
    }

    if (text) {
      errorString += " - " + text;
    }

    Strophe.error(errorString); // close the connection on stream_error

    this._conn._changeConnectStatus(connectstatus, condition);

    this._conn._doDisconnect();

    return true;
  },

  /** PrivateFunction: _reset
   *  Reset the connection.
   *
   *  This function is called by the reset function of the Strophe Connection.
   *  Is not needed by WebSockets.
   */
  _reset: function _reset() {
    return;
  },

  /** PrivateFunction: _connect
   *  _Private_ function called by Strophe.Connection.connect
   *
   *  Creates a WebSocket for a connection and assigns Callbacks to it.
   *  Does nothing if there already is a WebSocket.
   */
  _connect: function _connect() {
    // Ensure that there is no open WebSocket from a previous Connection.
    this._closeSocket(); // Create the new WobSocket


    this.socket = new WebSocket(this._conn.service, "xmpp");
    this.socket.onopen = this._onOpen.bind(this);
    this.socket.onerror = this._onError.bind(this);
    this.socket.onclose = this._onClose.bind(this);
    this.socket.onmessage = this._connect_cb_wrapper.bind(this);
  },

  /** PrivateFunction: _connect_cb
   *  _Private_ function called by Strophe.Connection._connect_cb
   *
   * checks for stream:error
   *
   *  Parameters:
   *    (Strophe.Request) bodyWrap - The received stanza.
   */
  _connect_cb: function _connect_cb(bodyWrap) {
    var error = this._check_streamerror(bodyWrap, Strophe.Status.CONNFAIL);

    if (error) {
      return Strophe.Status.CONNFAIL;
    }
  },

  /** PrivateFunction: _handleStreamStart
   * _Private_ function that checks the opening <open /> tag for errors.
   *
   * Disconnects if there is an error and returns false, true otherwise.
   *
   *  Parameters:
   *    (Node) message - Stanza containing the <open /> tag.
   */
  _handleStreamStart: function _handleStreamStart(message) {
    var error = false; // Check for errors in the <open /> tag

    var ns = message.getAttribute("xmlns");

    if (typeof ns !== "string") {
      error = "Missing xmlns in <open />";
    } else if (ns !== Strophe.NS.FRAMING) {
      error = "Wrong xmlns in <open />: " + ns;
    }

    var ver = message.getAttribute("version");

    if (typeof ver !== "string") {
      error = "Missing version in <open />";
    } else if (ver !== "1.0") {
      error = "Wrong version in <open />: " + ver;
    }

    if (error) {
      this._conn._changeConnectStatus(Strophe.Status.CONNFAIL, error);

      this._conn._doDisconnect();

      return false;
    }

    return true;
  },

  /** PrivateFunction: _connect_cb_wrapper
   * _Private_ function that handles the first connection messages.
   *
   * On receiving an opening stream tag this callback replaces itself with the real
   * message handler. On receiving a stream error the connection is terminated.
   */
  _connect_cb_wrapper: function _connect_cb_wrapper(message) {
    if (message.data.indexOf("<open ") === 0 || message.data.indexOf("<?xml") === 0) {
      // Strip the XML Declaration, if there is one
      var data = message.data.replace(/^(<\?.*?\?>\s*)*/, "");
      if (data === '') return;
      var streamStart = new DOMParser().parseFromString(data, "text/xml").documentElement;

      this._conn.xmlInput(streamStart);

      this._conn.rawInput(message.data); //_handleStreamSteart will check for XML errors and disconnect on error


      if (this._handleStreamStart(streamStart)) {
        //_connect_cb will check for stream:error and disconnect on error
        this._connect_cb(streamStart);
      }
    } else if (message.data.indexOf("<close ") === 0) {
      // <close xmlns="urn:ietf:params:xml:ns:xmpp-framing />
      // Parse the raw string to an XML element
      var parsedMessage = new DOMParser().parseFromString(message.data, "text/xml").documentElement; // Report this input to the raw and xml handlers

      this._conn.xmlInput(parsedMessage);

      this._conn.rawInput(message.data);

      var see_uri = parsedMessage.getAttribute("see-other-uri");

      if (see_uri) {
        var service = this._conn.service; // Valid scenarios: WSS->WSS, WS->ANY

        var isSecureRedirect = service.indexOf("wss:") >= 0 && see_uri.indexOf("wss:") >= 0 || service.indexOf("ws:") >= 0;

        if (isSecureRedirect) {
          this._conn._changeConnectStatus(Strophe.Status.REDIRECT, "Received see-other-uri, resetting connection");

          this._conn.reset();

          this._conn.service = see_uri;

          this._connect();
        }
      } else {
        this._conn._changeConnectStatus(Strophe.Status.CONNFAIL, "Received closing stream");

        this._conn._doDisconnect();
      }
    } else {
      var string = this._streamWrap(message.data);

      var elem = new DOMParser().parseFromString(string, "text/xml").documentElement;
      this.socket.onmessage = this._onMessage.bind(this);

      this._conn._connect_cb(elem, null, message.data);
    }
  },

  /** PrivateFunction: _disconnect
   *  _Private_ function called by Strophe.Connection.disconnect
   *
   *  Disconnects and sends a last stanza if one is given
   *
   *  Parameters:
   *    (Request) pres - This stanza will be sent before disconnecting.
   */
  _disconnect: function _disconnect(pres) {
    if (this.socket && this.socket.readyState !== WebSocket.CLOSED) {
      if (pres) {
        this._conn.send(pres);
      }

      var close = $build("close", {
        "xmlns": Strophe.NS.FRAMING
      });

      this._conn.xmlOutput(close.tree());

      var closeString = Strophe.serialize(close);

      this._conn.rawOutput(closeString);

      try {
        this.socket.send(closeString);
      } catch (e) {
        Strophe.info("Couldn't send <close /> tag.");
      }
    }

    this._conn._doDisconnect();
  },

  /** PrivateFunction: _doDisconnect
   *  _Private_ function to disconnect.
   *
   *  Just closes the Socket for WebSockets
   */
  _doDisconnect: function _doDisconnect() {
    Strophe.info("WebSockets _doDisconnect was called");

    this._closeSocket();
  },

  /** PrivateFunction _streamWrap
   *  _Private_ helper function to wrap a stanza in a <stream> tag.
   *  This is used so Strophe can process stanzas from WebSockets like BOSH
   */
  _streamWrap: function _streamWrap(stanza) {
    return "<wrapper>" + stanza + '</wrapper>';
  },

  /** PrivateFunction: _closeSocket
   *  _Private_ function to close the WebSocket.
   *
   *  Closes the socket if it is still open and deletes it
   */
  _closeSocket: function _closeSocket() {
    if (this.socket) {
      try {
        this.socket.onerror = null;
        this.socket.close();
      } catch (e) {
        Strophe.debug(e.message);
      }
    }

    this.socket = null;
  },

  /** PrivateFunction: _emptyQueue
   * _Private_ function to check if the message queue is empty.
   *
   *  Returns:
   *    True, because WebSocket messages are send immediately after queueing.
   */
  _emptyQueue: function _emptyQueue() {
    return true;
  },

  /** PrivateFunction: _onClose
   * _Private_ function to handle websockets closing.
   *
   * Nothing to do here for WebSockets
   */
  _onClose: function _onClose(e) {
    if (this._conn.connected && !this._conn.disconnecting) {
      Strophe.error("Websocket closed unexpectedly");

      this._conn._doDisconnect();
    } else if (e && e.code === 1006 && !this._conn.connected && this.socket) {
      // in case the onError callback was not called (Safari 10 does not
      // call onerror when the initial connection fails) we need to
      // dispatch a CONNFAIL status update to be consistent with the
      // behavior on other browsers.
      Strophe.error("Websocket closed unexcectedly");

      this._conn._changeConnectStatus(Strophe.Status.CONNFAIL, "The WebSocket connection could not be established or was disconnected.");

      this._conn._doDisconnect();
    } else {
      Strophe.info("Websocket closed");
    }
  },

  /** PrivateFunction: _no_auth_received
   *
   * Called on stream start/restart when no stream:features
   * has been received.
   */
  _no_auth_received: function _no_auth_received(callback) {
    Strophe.error("Server did not offer a supported authentication mechanism");

    this._changeConnectStatus(Strophe.Status.CONNFAIL, Strophe.ErrorCondition.NO_AUTH_MECH);

    if (callback) {
      callback.call(this._conn);
    }

    this._conn._doDisconnect();
  },

  /** PrivateFunction: _onDisconnectTimeout
   *  _Private_ timeout handler for handling non-graceful disconnection.
   *
   *  This does nothing for WebSockets
   */
  _onDisconnectTimeout: function _onDisconnectTimeout() {},

  /** PrivateFunction: _abortAllRequests
   *  _Private_ helper function that makes sure all pending requests are aborted.
   */
  _abortAllRequests: function _abortAllRequests() {},

  /** PrivateFunction: _onError
   * _Private_ function to handle websockets errors.
   *
   * Parameters:
   * (Object) error - The websocket error.
   */
  _onError: function _onError(error) {
    Strophe.error("Websocket error " + error);

    this._conn._changeConnectStatus(Strophe.Status.CONNFAIL, "The WebSocket connection could not be established or was disconnected.");

    this._disconnect();
  },

  /** PrivateFunction: _onIdle
   *  _Private_ function called by Strophe.Connection._onIdle
   *
   *  sends all queued stanzas
   */
  _onIdle: function _onIdle() {
    var data = this._conn._data;

    if (data.length > 0 && !this._conn.paused) {
      for (var i = 0; i < data.length; i++) {
        if (data[i] !== null) {
          var stanza = void 0;

          if (data[i] === "restart") {
            stanza = this._buildStream().tree();
          } else {
            stanza = data[i];
          }

          var rawStanza = Strophe.serialize(stanza);

          this._conn.xmlOutput(stanza);

          this._conn.rawOutput(rawStanza);

          this.socket.send(rawStanza);
        }
      }

      this._conn._data = [];
    }
  },

  /** PrivateFunction: _onMessage
   * _Private_ function to handle websockets messages.
   *
   * This function parses each of the messages as if they are full documents.
   * [TODO : We may actually want to use a SAX Push parser].
   *
   * Since all XMPP traffic starts with
   *  <stream:stream version='1.0'
   *                 xml:lang='en'
   *                 xmlns='jabber:client'
   *                 xmlns:stream='http://etherx.jabber.org/streams'
   *                 id='3697395463'
   *                 from='SERVER'>
   *
   * The first stanza will always fail to be parsed.
   *
   * Additionally, the seconds stanza will always be <stream:features> with
   * the stream NS defined in the previous stanza, so we need to 'force'
   * the inclusion of the NS in this stanza.
   *
   * Parameters:
   * (string) message - The websocket message.
   */
  _onMessage: function _onMessage(message) {
    var elem; // check for closing stream

    var close = '<close xmlns="urn:ietf:params:xml:ns:xmpp-framing" />';

    if (message.data === close) {
      this._conn.rawInput(close);

      this._conn.xmlInput(message);

      if (!this._conn.disconnecting) {
        this._conn._doDisconnect();
      }

      return;
    } else if (message.data.search("<open ") === 0) {
      // This handles stream restarts
      elem = new DOMParser().parseFromString(message.data, "text/xml").documentElement;

      if (!this._handleStreamStart(elem)) {
        return;
      }
    } else {
      var data = this._streamWrap(message.data);

      elem = new DOMParser().parseFromString(data, "text/xml").documentElement;
    }

    if (this._check_streamerror(elem, Strophe.Status.ERROR)) {
      return;
    } //handle unavailable presence stanza before disconnecting


    if (this._conn.disconnecting && elem.firstChild.nodeName === "presence" && elem.firstChild.getAttribute("type") === "unavailable") {
      this._conn.xmlInput(elem);

      this._conn.rawInput(Strophe.serialize(elem)); // if we are already disconnecting we will ignore the unavailable stanza and
      // wait for the </stream:stream> tag before we close the connection


      return;
    }

    this._conn._dataRecv(elem, message.data);
  },

  /** PrivateFunction: _onOpen
   * _Private_ function to handle websockets connection setup.
   *
   * The opening stream tag is sent here.
   */
  _onOpen: function _onOpen() {
    Strophe.info("Websocket open");

    var start = this._buildStream();

    this._conn.xmlOutput(start.tree());

    var startString = Strophe.serialize(start);

    this._conn.rawOutput(startString);

    this.socket.send(startString);
  },

  /** PrivateFunction: _reqToData
   * _Private_ function to get a stanza out of a request.
   *
   * WebSockets don't use requests, so the passed argument is just returned.
   *
   *  Parameters:
   *    (Object) stanza - The stanza.
   *
   *  Returns:
   *    The stanza that was passed.
   */
  _reqToData: function _reqToData(stanza) {
    return stanza;
  },

  /** PrivateFunction: _send
   *  _Private_ part of the Connection.send function for WebSocket
   *
   * Just flushes the messages that are in the queue
   */
  _send: function _send() {
    this._conn.flush();
  },

  /** PrivateFunction: _sendRestart
   *
   *  Send an xmpp:restart stanza.
   */
  _sendRestart: function _sendRestart() {
    clearTimeout(this._conn._idleTimeout);

    this._conn._onIdle.bind(this._conn)();
  }
};

/***/ })

/******/ })["default"];
});
//# sourceMappingURL=strophe.js.map

/***/ }),

/***/ "./node_modules/strophejs-plugin-ping/strophe.ping.js":
/*!************************************************************!*\
  !*** ./node_modules/strophejs-plugin-ping/strophe.ping.js ***!
  \************************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;/*
* Based on Ping Strophejs plugins (https://github.com/metajack/strophejs-plugins/tree/master/ping)
* This plugin is distributed under the terms of the MIT licence.
* Please see the LICENCE file for details.
*
* Copyright (c) Markus Kohlhase, 2010
* Refactored by Pavel Lang, 2011
* AMD Support added by Thierry
*/
/**
* File: strophe.ping.js
* A Strophe plugin for XMPP Ping ( http://xmpp.org/extensions/xep-0199.html )
*/
(function (root, factory) {
    if (true) {
        // AMD. Register as an anonymous module.
        !(__WEBPACK_AMD_DEFINE_ARRAY__ = [
            __webpack_require__(/*! strophe.js */ "./node_modules/strophe.js/dist/strophe.js")
        ], __WEBPACK_AMD_DEFINE_RESULT__ = (function (Strophe) {
            factory(
                Strophe.Strophe,
                Strophe.$build,
                Strophe.$iq ,
                Strophe.$msg,
                Strophe.$pres
            );
            return Strophe;
        }).apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__),
				__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
    } else {}
}(this, function (Strophe, $build, $iq, $msg, $pres) {
    Strophe.addConnectionPlugin('ping', {
        _c: null,

        // called by the Strophe.Connection constructor
        init: function(conn) {
            this._c = conn;
            Strophe.addNamespace('PING', "urn:xmpp:ping");
        },

        /**
         * Function: ping
         *
         * Parameters:
         * (String) to - The JID you want to ping
         * (Function) success - Callback function on success
         * (Function) error - Callback function on error
         * (Integer) timeout - Timeout in milliseconds
         */
        ping: function(jid, success, error, timeout) {
            var id = this._c.getUniqueId('ping');
            var iq = $iq({type: 'get', to: jid, id: id}).c(
                            'ping', {xmlns: Strophe.NS.PING});
            this._c.sendIQ(iq, success, error, timeout);
        },

        /**
         * Function: pong
         *
         * Parameters:
         * (Object) ping - The ping stanza from the server.
         */
        pong: function(ping) {
            var from = ping.getAttribute('from');
            var id = ping.getAttribute('id');
            var iq = $iq({type: 'result', to: from,id: id});
            this._c.sendIQ(iq);
        },

        /**
         * Function: addPingHandler
         *
         * Parameters:
         * (Function) handler - Ping handler
         *
         * Returns:
         * A reference to the handler that can be used to remove it.
         */
        addPingHandler: function(handler) {
            return this._c.addHandler(handler, Strophe.NS.PING, "iq", "get");
        }
    });
}));


/***/ }),

/***/ "./node_modules/strophejs-plugin-rsm/lib/strophe.rsm.js":
/*!**************************************************************!*\
  !*** ./node_modules/strophejs-plugin-rsm/lib/strophe.rsm.js ***!
  \**************************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

(function (global, factory) {
	 true ? factory(__webpack_require__(/*! strophe.js */ "./node_modules/strophe.js/dist/strophe.js")) :
	undefined;
}(this, (function (strophe_js) { 'use strict';

strophe_js.Strophe.addNamespace('RSM', 'http://jabber.org/protocol/rsm');

strophe_js.Strophe.RSM = function(options) {
  this.attribs = ['max', 'first', 'last', 'after', 'before', 'index', 'count'];

  if (typeof options.xml != 'undefined') {
    this.fromXMLElement(options.xml);
  } else {
    for (var ii = 0; ii < this.attribs.length; ii++) {
      var attrib = this.attribs[ii];
      this[attrib] = options[attrib];
    }
  }
};

strophe_js.Strophe.RSM.prototype = {
  toXML: function() {
    var xml = strophe_js.$build('set', {xmlns: strophe_js.Strophe.NS.RSM});
    for (var ii = 0; ii < this.attribs.length; ii++) {
      var attrib = this.attribs[ii];
      if (typeof this[attrib] != 'undefined') {
        xml = xml.c(attrib).t(this[attrib].toString()).up();
      }
    }
    return xml.tree();
  },

  next: function(max) {
    var newSet = new strophe_js.Strophe.RSM({max: max, after: this.last});
    return newSet;
  },

  previous: function(max) {
    var newSet = new strophe_js.Strophe.RSM({max: max, before: this.first});
    return newSet;
  },

  fromXMLElement: function(xmlElement) {
    for (var ii = 0; ii < this.attribs.length; ii++) {
      var attrib = this.attribs[ii];
      var elem = xmlElement.getElementsByTagName(attrib)[0];
      if (typeof elem != 'undefined' && elem !== null) {
        this[attrib] = strophe_js.Strophe.getText(elem);
        if (attrib == 'first') {
          this.index = elem.getAttribute('index');
        }
      }
    }
  }
};

})));
//# sourceMappingURL=strophe.rsm.js.map


/***/ }),

/***/ "./node_modules/twemoji/2/esm.js":
/*!***************************************!*\
  !*** ./node_modules/twemoji/2/esm.js ***!
  \***************************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/*! Copyright Twitter Inc. and other contributors. Licensed under MIT */
var twemoji=function(){"use strict";var twemoji={base:"https://twemoji.maxcdn.com/2/",ext:".png",size:"72x72",className:"emoji",convert:{fromCodePoint:fromCodePoint,toCodePoint:toCodePoint},onerror:function onerror(){if(this.parentNode){this.parentNode.replaceChild(createText(this.alt,false),this)}},parse:parse,replace:replace,test:test},escaper={"&":"&amp;","<":"&lt;",">":"&gt;","'":"&#39;",'"':"&quot;"},re=/(?:\ud83d[\udc68\udc69])(?:\ud83c[\udffb-\udfff])?\u200d(?:\u2695\ufe0f|\u2696\ufe0f|\u2708\ufe0f|\ud83c[\udf3e\udf73\udf93\udfa4\udfa8\udfeb\udfed]|\ud83d[\udcbb\udcbc\udd27\udd2c\ude80\ude92]|\ud83e[\uddb0-\uddb3])|(?:\ud83c[\udfcb\udfcc]|\ud83d[\udd74\udd75]|\u26f9)((?:\ud83c[\udffb-\udfff]|\ufe0f)\u200d[\u2640\u2642]\ufe0f)|(?:\ud83c[\udfc3\udfc4\udfca]|\ud83d[\udc6e\udc71\udc73\udc77\udc81\udc82\udc86\udc87\ude45-\ude47\ude4b\ude4d\ude4e\udea3\udeb4-\udeb6]|\ud83e[\udd26\udd35\udd37-\udd39\udd3d\udd3e\uddb8\uddb9\uddd6-\udddd])(?:\ud83c[\udffb-\udfff])?\u200d[\u2640\u2642]\ufe0f|(?:\ud83d\udc68\u200d\u2764\ufe0f\u200d\ud83d\udc8b\u200d\ud83d\udc68|\ud83d\udc68\u200d\ud83d\udc68\u200d\ud83d\udc66\u200d\ud83d\udc66|\ud83d\udc68\u200d\ud83d\udc68\u200d\ud83d\udc67\u200d\ud83d[\udc66\udc67]|\ud83d\udc68\u200d\ud83d\udc69\u200d\ud83d\udc66\u200d\ud83d\udc66|\ud83d\udc68\u200d\ud83d\udc69\u200d\ud83d\udc67\u200d\ud83d[\udc66\udc67]|\ud83d\udc69\u200d\u2764\ufe0f\u200d\ud83d\udc8b\u200d\ud83d[\udc68\udc69]|\ud83d\udc69\u200d\ud83d\udc69\u200d\ud83d\udc66\u200d\ud83d\udc66|\ud83d\udc69\u200d\ud83d\udc69\u200d\ud83d\udc67\u200d\ud83d[\udc66\udc67]|\ud83d\udc68\u200d\u2764\ufe0f\u200d\ud83d\udc68|\ud83d\udc68\u200d\ud83d\udc66\u200d\ud83d\udc66|\ud83d\udc68\u200d\ud83d\udc67\u200d\ud83d[\udc66\udc67]|\ud83d\udc68\u200d\ud83d\udc68\u200d\ud83d[\udc66\udc67]|\ud83d\udc68\u200d\ud83d\udc69\u200d\ud83d[\udc66\udc67]|\ud83d\udc69\u200d\u2764\ufe0f\u200d\ud83d[\udc68\udc69]|\ud83d\udc69\u200d\ud83d\udc66\u200d\ud83d\udc66|\ud83d\udc69\u200d\ud83d\udc67\u200d\ud83d[\udc66\udc67]|\ud83d\udc69\u200d\ud83d\udc69\u200d\ud83d[\udc66\udc67]|\ud83c\udff3\ufe0f\u200d\ud83c\udf08|\ud83c\udff4\u200d\u2620\ufe0f|\ud83d\udc41\u200d\ud83d\udde8|\ud83d\udc68\u200d\ud83d[\udc66\udc67]|\ud83d\udc69\u200d\ud83d[\udc66\udc67]|\ud83d\udc6f\u200d\u2640\ufe0f|\ud83d\udc6f\u200d\u2642\ufe0f|\ud83e\udd3c\u200d\u2640\ufe0f|\ud83e\udd3c\u200d\u2642\ufe0f|\ud83e\uddde\u200d\u2640\ufe0f|\ud83e\uddde\u200d\u2642\ufe0f|\ud83e\udddf\u200d\u2640\ufe0f|\ud83e\udddf\u200d\u2642\ufe0f)|[\u0023\u002a\u0030-\u0039]\ufe0f?\u20e3|(?:[\u00a9\u00ae\u2122\u265f]\ufe0f)|(?:\ud83c[\udc04\udd70\udd71\udd7e\udd7f\ude02\ude1a\ude2f\ude37\udf21\udf24-\udf2c\udf36\udf7d\udf96\udf97\udf99-\udf9b\udf9e\udf9f\udfcd\udfce\udfd4-\udfdf\udff3\udff5\udff7]|\ud83d[\udc3f\udc41\udcfd\udd49\udd4a\udd6f\udd70\udd73\udd76-\udd79\udd87\udd8a-\udd8d\udda5\udda8\uddb1\uddb2\uddbc\uddc2-\uddc4\uddd1-\uddd3\udddc-\uddde\udde1\udde3\udde8\uddef\uddf3\uddfa\udecb\udecd-\udecf\udee0-\udee5\udee9\udef0\udef3]|[\u203c\u2049\u2139\u2194-\u2199\u21a9\u21aa\u231a\u231b\u2328\u23cf\u23ed-\u23ef\u23f1\u23f2\u23f8-\u23fa\u24c2\u25aa\u25ab\u25b6\u25c0\u25fb-\u25fe\u2600-\u2604\u260e\u2611\u2614\u2615\u2618\u2620\u2622\u2623\u2626\u262a\u262e\u262f\u2638-\u263a\u2640\u2642\u2648-\u2653\u2660\u2663\u2665\u2666\u2668\u267b\u267f\u2692-\u2697\u2699\u269b\u269c\u26a0\u26a1\u26aa\u26ab\u26b0\u26b1\u26bd\u26be\u26c4\u26c5\u26c8\u26cf\u26d1\u26d3\u26d4\u26e9\u26ea\u26f0-\u26f5\u26f8\u26fa\u26fd\u2702\u2708\u2709\u270f\u2712\u2714\u2716\u271d\u2721\u2733\u2734\u2744\u2747\u2757\u2763\u2764\u27a1\u2934\u2935\u2b05-\u2b07\u2b1b\u2b1c\u2b50\u2b55\u3030\u303d\u3297\u3299])(?:\ufe0f|(?!\ufe0e))|(?:(?:\ud83c[\udfcb\udfcc]|\ud83d[\udd74\udd75\udd90]|[\u261d\u26f7\u26f9\u270c\u270d])(?:\ufe0f|(?!\ufe0e))|(?:\ud83c[\udf85\udfc2-\udfc4\udfc7\udfca]|\ud83d[\udc42\udc43\udc46-\udc50\udc66-\udc69\udc6e\udc70-\udc78\udc7c\udc81-\udc83\udc85-\udc87\udcaa\udd7a\udd95\udd96\ude45-\ude47\ude4b-\ude4f\udea3\udeb4-\udeb6\udec0\udecc]|\ud83e[\udd18-\udd1c\udd1e\udd1f\udd26\udd30-\udd39\udd3d\udd3e\uddb5\uddb6\uddb8\uddb9\uddd1-\udddd]|[\u270a\u270b]))(?:\ud83c[\udffb-\udfff])?|(?:\ud83c\udff4\udb40\udc67\udb40\udc62\udb40\udc65\udb40\udc6e\udb40\udc67\udb40\udc7f|\ud83c\udff4\udb40\udc67\udb40\udc62\udb40\udc73\udb40\udc63\udb40\udc74\udb40\udc7f|\ud83c\udff4\udb40\udc67\udb40\udc62\udb40\udc77\udb40\udc6c\udb40\udc73\udb40\udc7f|\ud83c\udde6\ud83c[\udde8-\uddec\uddee\uddf1\uddf2\uddf4\uddf6-\uddfa\uddfc\uddfd\uddff]|\ud83c\udde7\ud83c[\udde6\udde7\udde9-\uddef\uddf1-\uddf4\uddf6-\uddf9\uddfb\uddfc\uddfe\uddff]|\ud83c\udde8\ud83c[\udde6\udde8\udde9\uddeb-\uddee\uddf0-\uddf5\uddf7\uddfa-\uddff]|\ud83c\udde9\ud83c[\uddea\uddec\uddef\uddf0\uddf2\uddf4\uddff]|\ud83c\uddea\ud83c[\udde6\udde8\uddea\uddec\udded\uddf7-\uddfa]|\ud83c\uddeb\ud83c[\uddee-\uddf0\uddf2\uddf4\uddf7]|\ud83c\uddec\ud83c[\udde6\udde7\udde9-\uddee\uddf1-\uddf3\uddf5-\uddfa\uddfc\uddfe]|\ud83c\udded\ud83c[\uddf0\uddf2\uddf3\uddf7\uddf9\uddfa]|\ud83c\uddee\ud83c[\udde8-\uddea\uddf1-\uddf4\uddf6-\uddf9]|\ud83c\uddef\ud83c[\uddea\uddf2\uddf4\uddf5]|\ud83c\uddf0\ud83c[\uddea\uddec-\uddee\uddf2\uddf3\uddf5\uddf7\uddfc\uddfe\uddff]|\ud83c\uddf1\ud83c[\udde6-\udde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twemoji;function createText(text,clean){return document.createTextNode(clean?text.replace(UFE0Fg,""):text)}function escapeHTML(s){return s.replace(rescaper,replacer)}function defaultImageSrcGenerator(icon,options){return"".concat(options.base,options.size,"/",icon,options.ext)}function grabAllTextNodes(node,allText){var childNodes=node.childNodes,length=childNodes.length,subnode,nodeType;while(length--){subnode=childNodes[length];nodeType=subnode.nodeType;if(nodeType===3){allText.push(subnode)}else if(nodeType===1&&!("ownerSVGElement"in subnode)&&!shouldntBeParsed.test(subnode.nodeName.toLowerCase())){grabAllTextNodes(subnode,allText)}}return allText}function grabTheRightIcon(rawText){return toCodePoint(rawText.indexOf(U200D)<0?rawText.replace(UFE0Fg,""):rawText)}function parseNode(node,options){var allText=grabAllTextNodes(node,[]),length=allText.length,attrib,attrname,modified,fragment,subnode,text,match,i,index,img,rawText,iconId,src;while(length--){modified=false;fragment=document.createDocumentFragment();subnode=allText[length];text=subnode.nodeValue;i=0;while(match=re.exec(text)){index=match.index;if(index!==i){fragment.appendChild(createText(text.slice(i,index),true))}rawText=match[0];iconId=grabTheRightIcon(rawText);i=index+rawText.length;src=options.callback(iconId,options);if(iconId&&src){img=new Image;img.onerror=options.onerror;img.setAttribute("draggable","false");attrib=options.attributes(rawText,iconId);for(attrname in attrib){if(attrib.hasOwnProperty(attrname)&&attrname.indexOf("on")!==0&&!img.hasAttribute(attrname)){img.setAttribute(attrname,attrib[attrname])}}img.className=options.className;img.alt=rawText;img.src=src;modified=true;fragment.appendChild(img)}if(!img)fragment.appendChild(createText(rawText,false));img=null}if(modified){if(i<text.length){fragment.appendChild(createText(text.slice(i),true))}subnode.parentNode.replaceChild(fragment,subnode)}}return node}function parseString(str,options){return replace(str,function(rawText){var ret=rawText,iconId=grabTheRightIcon(rawText),src=options.callback(iconId,options),attrib,attrname;if(iconId&&src){ret="<img ".concat('class="',options.className,'" ','draggable="false" ','alt="',rawText,'"',' src="',src,'"');attrib=options.attributes(rawText,iconId);for(attrname in attrib){if(attrib.hasOwnProperty(attrname)&&attrname.indexOf("on")!==0&&ret.indexOf(" "+attrname+"=")===-1){ret=ret.concat(" ",attrname,'="',escapeHTML(attrib[attrname]),'"')}}ret=ret.concat("/>")}return ret})}function replacer(m){return escaper[m]}function returnNull(){return null}function toSizeSquaredAsset(value){return typeof value==="number"?value+"x"+value:value}function fromCodePoint(codepoint){var code=typeof codepoint==="string"?parseInt(codepoint,16):codepoint;if(code<65536){return fromCharCode(code)}code-=65536;return fromCharCode(55296+(code>>10),56320+(code&1023))}function parse(what,how){if(!how||typeof how==="function"){how={callback:how}}return(typeof what==="string"?parseString:parseNode)(what,{callback:how.callback||defaultImageSrcGenerator,attributes:typeof how.attributes==="function"?how.attributes:returnNull,base:typeof how.base==="string"?how.base:twemoji.base,ext:how.ext||twemoji.ext,size:how.folder||toSizeSquaredAsset(how.size||twemoji.size),className:how.className||twemoji.className,onerror:how.onerror||twemoji.onerror})}function replace(text,callback){return String(text).replace(re,callback)}function test(text){re.lastIndex=0;var result=re.test(text);re.lastIndex=0;return result}function toCodePoint(unicodeSurrogates,sep){var r=[],c=0,p=0,i=0;while(i<unicodeSurrogates.length){c=unicodeSurrogates.charCodeAt(i++);if(p){r.push((65536+(p-55296<<10)+(c-56320)).toString(16));p=0}else if(55296<=c&&c<=56319){p=c}else{r.push(c.toString(16))}}return r.join(sep||"-")}}();
/* harmony default export */ __webpack_exports__["default"] = (twemoji);



/***/ }),

/***/ "./node_modules/urijs/src/IPv6.js":
/*!****************************************!*\
  !*** ./node_modules/urijs/src/IPv6.js ***!
  \****************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_RESULT__;/*!
 * URI.js - Mutating URLs
 * IPv6 Support
 *
 * Version: 1.19.1
 *
 * Author: Rodney Rehm
 * Web: http://medialize.github.io/URI.js/
 *
 * Licensed under
 *   MIT License http://www.opensource.org/licenses/mit-license
 *
 */

(function (root, factory) {
  'use strict';
  // https://github.com/umdjs/umd/blob/master/returnExports.js
  if (typeof module === 'object' && module.exports) {
    // Node
    module.exports = factory();
  } else if (true) {
    // AMD. Register as an anonymous module.
    !(__WEBPACK_AMD_DEFINE_FACTORY__ = (factory),
				__WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ?
				(__WEBPACK_AMD_DEFINE_FACTORY__.call(exports, __webpack_require__, exports, module)) :
				__WEBPACK_AMD_DEFINE_FACTORY__),
				__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
  } else {}
}(this, function (root) {
  'use strict';

  /*
  var _in = "fe80:0000:0000:0000:0204:61ff:fe9d:f156";
  var _out = IPv6.best(_in);
  var _expected = "fe80::204:61ff:fe9d:f156";

  console.log(_in, _out, _expected, _out === _expected);
  */

  // save current IPv6 variable, if any
  var _IPv6 = root && root.IPv6;

  function bestPresentation(address) {
    // based on:
    // Javascript to test an IPv6 address for proper format, and to
    // present the "best text representation" according to IETF Draft RFC at
    // http://tools.ietf.org/html/draft-ietf-6man-text-addr-representation-04
    // 8 Feb 2010 Rich Brown, Dartware, LLC
    // Please feel free to use this code as long as you provide a link to
    // http://www.intermapper.com
    // http://intermapper.com/support/tools/IPV6-Validator.aspx
    // http://download.dartware.com/thirdparty/ipv6validator.js

    var _address = address.toLowerCase();
    var segments = _address.split(':');
    var length = segments.length;
    var total = 8;

    // trim colons (:: or ::a:b:c… or …a:b:c::)
    if (segments[0] === '' && segments[1] === '' && segments[2] === '') {
      // must have been ::
      // remove first two items
      segments.shift();
      segments.shift();
    } else if (segments[0] === '' && segments[1] === '') {
      // must have been ::xxxx
      // remove the first item
      segments.shift();
    } else if (segments[length - 1] === '' && segments[length - 2] === '') {
      // must have been xxxx::
      segments.pop();
    }

    length = segments.length;

    // adjust total segments for IPv4 trailer
    if (segments[length - 1].indexOf('.') !== -1) {
      // found a "." which means IPv4
      total = 7;
    }

    // fill empty segments them with "0000"
    var pos;
    for (pos = 0; pos < length; pos++) {
      if (segments[pos] === '') {
        break;
      }
    }

    if (pos < total) {
      segments.splice(pos, 1, '0000');
      while (segments.length < total) {
        segments.splice(pos, 0, '0000');
      }
    }

    // strip leading zeros
    var _segments;
    for (var i = 0; i < total; i++) {
      _segments = segments[i].split('');
      for (var j = 0; j < 3 ; j++) {
        if (_segments[0] === '0' && _segments.length > 1) {
          _segments.splice(0,1);
        } else {
          break;
        }
      }

      segments[i] = _segments.join('');
    }

    // find longest sequence of zeroes and coalesce them into one segment
    var best = -1;
    var _best = 0;
    var _current = 0;
    var current = -1;
    var inzeroes = false;
    // i; already declared

    for (i = 0; i < total; i++) {
      if (inzeroes) {
        if (segments[i] === '0') {
          _current += 1;
        } else {
          inzeroes = false;
          if (_current > _best) {
            best = current;
            _best = _current;
          }
        }
      } else {
        if (segments[i] === '0') {
          inzeroes = true;
          current = i;
          _current = 1;
        }
      }
    }

    if (_current > _best) {
      best = current;
      _best = _current;
    }

    if (_best > 1) {
      segments.splice(best, _best, '');
    }

    length = segments.length;

    // assemble remaining segments
    var result = '';
    if (segments[0] === '')  {
      result = ':';
    }

    for (i = 0; i < length; i++) {
      result += segments[i];
      if (i === length - 1) {
        break;
      }

      result += ':';
    }

    if (segments[length - 1] === '') {
      result += ':';
    }

    return result;
  }

  function noConflict() {
    /*jshint validthis: true */
    if (root.IPv6 === this) {
      root.IPv6 = _IPv6;
    }

    return this;
  }

  return {
    best: bestPresentation,
    noConflict: noConflict
  };
}));


/***/ }),

/***/ "./node_modules/urijs/src/SecondLevelDomains.js":
/*!******************************************************!*\
  !*** ./node_modules/urijs/src/SecondLevelDomains.js ***!
  \******************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_RESULT__;/*!
 * URI.js - Mutating URLs
 * Second Level Domain (SLD) Support
 *
 * Version: 1.19.1
 *
 * Author: Rodney Rehm
 * Web: http://medialize.github.io/URI.js/
 *
 * Licensed under
 *   MIT License http://www.opensource.org/licenses/mit-license
 *
 */

(function (root, factory) {
  'use strict';
  // https://github.com/umdjs/umd/blob/master/returnExports.js
  if (typeof module === 'object' && module.exports) {
    // Node
    module.exports = factory();
  } else if (true) {
    // AMD. Register as an anonymous module.
    !(__WEBPACK_AMD_DEFINE_FACTORY__ = (factory),
				__WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ?
				(__WEBPACK_AMD_DEFINE_FACTORY__.call(exports, __webpack_require__, exports, module)) :
				__WEBPACK_AMD_DEFINE_FACTORY__),
				__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
  } else {}
}(this, function (root) {
  'use strict';

  // save current SecondLevelDomains variable, if any
  var _SecondLevelDomains = root && root.SecondLevelDomains;

  var SLD = {
    // list of known Second Level Domains
    // converted list of SLDs from https://github.com/gavingmiller/second-level-domains
    // ----
    // publicsuffix.org is more current and actually used by a couple of browsers internally.
    // downside is it also contains domains like "dyndns.org" - which is fine for the security
    // issues browser have to deal with (SOP for cookies, etc) - but is way overboard for URI.js
    // ----
    list: {
      'ac':' com gov mil net org ',
      'ae':' ac co gov mil name net org pro sch ',
      'af':' com edu gov net org ',
      'al':' com edu gov mil net org ',
      'ao':' co ed gv it og pb ',
      'ar':' com edu gob gov int mil net org tur ',
      'at':' ac co gv or ',
      'au':' asn com csiro edu gov id net org ',
      'ba':' co com edu gov mil net org rs unbi unmo unsa untz unze ',
      'bb':' biz co com edu gov info net org store tv ',
      'bh':' biz cc com edu gov info net org ',
      'bn':' com edu gov net org ',
      'bo':' com edu gob gov int mil net org tv ',
      'br':' adm adv agr am arq art ato b bio blog bmd cim cng cnt com coop ecn edu eng esp etc eti far flog fm fnd fot fst g12 ggf gov imb ind inf jor jus lel mat med mil mus net nom not ntr odo org ppg pro psc psi qsl rec slg srv tmp trd tur tv vet vlog wiki zlg ',
      'bs':' com edu gov net org ',
      'bz':' du et om ov rg ',
      'ca':' ab bc mb nb nf nl ns nt nu on pe qc sk yk ',
      'ck':' biz co edu gen gov info net org ',
      'cn':' ac ah bj com cq edu fj gd gov gs gx gz ha hb he hi hl hn jl js jx ln mil net nm nx org qh sc sd sh sn sx tj tw xj xz yn zj ',
      'co':' com edu gov mil net nom org ',
      'cr':' ac c co ed fi go or sa ',
      'cy':' ac biz com ekloges gov ltd name net org parliament press pro tm ',
      'do':' art com edu gob gov mil net org sld web ',
      'dz':' art asso com edu gov net org pol ',
      'ec':' com edu fin gov info med mil net org pro ',
      'eg':' com edu eun gov mil name net org sci ',
      'er':' com edu gov ind mil net org rochest w ',
      'es':' com edu gob nom org ',
      'et':' biz com edu gov info name net org ',
      'fj':' ac biz com info mil name net org pro ',
      'fk':' ac co gov net nom org ',
      'fr':' asso com f gouv nom prd presse tm ',
      'gg':' co net org ',
      'gh':' com edu gov mil org ',
      'gn':' ac com gov net org ',
      'gr':' com edu gov mil net org ',
      'gt':' com edu gob ind mil net org ',
      'gu':' com edu gov net org ',
      'hk':' com edu gov idv net org ',
      'hu':' 2000 agrar bolt casino city co erotica erotika film forum games hotel info ingatlan jogasz konyvelo lakas media news org priv reklam sex shop sport suli szex tm tozsde utazas video ',
      'id':' ac co go mil net or sch web ',
      'il':' ac co gov idf k12 muni net org ',
      'in':' ac co edu ernet firm gen gov i ind mil net nic org res ',
      'iq':' com edu gov i mil net org ',
      'ir':' ac co dnssec gov i id net org sch ',
      'it':' edu gov ',
      'je':' co net org ',
      'jo':' com edu gov mil name net org sch ',
      'jp':' ac ad co ed go gr lg ne or ',
      'ke':' ac co go info me mobi ne or sc ',
      'kh':' com edu gov mil net org per ',
      'ki':' biz com de edu gov info mob net org tel ',
      'km':' asso com coop edu gouv k medecin mil nom notaires pharmaciens presse tm veterinaire ',
      'kn':' edu gov net org ',
      'kr':' ac busan chungbuk chungnam co daegu daejeon es gangwon go gwangju gyeongbuk gyeonggi gyeongnam hs incheon jeju jeonbuk jeonnam k kg mil ms ne or pe re sc seoul ulsan ',
      'kw':' com edu gov net org ',
      'ky':' com edu gov net org ',
      'kz':' com edu gov mil net org ',
      'lb':' com edu gov net org ',
      'lk':' assn com edu gov grp hotel int ltd net ngo org sch soc web ',
      'lr':' com edu gov net org ',
      'lv':' asn com conf edu gov id mil net org ',
      'ly':' com edu gov id med net org plc sch ',
      'ma':' ac co gov m net org press ',
      'mc':' asso tm ',
      'me':' ac co edu gov its net org priv ',
      'mg':' com edu gov mil nom org prd tm ',
      'mk':' com edu gov inf name net org pro ',
      'ml':' com edu gov net org presse ',
      'mn':' edu gov org ',
      'mo':' com edu gov net org ',
      'mt':' com edu gov net org ',
      'mv':' aero biz com coop edu gov info int mil museum name net org pro ',
      'mw':' ac co com coop edu gov int museum net org ',
      'mx':' com edu gob net org ',
      'my':' com edu gov mil name net org sch ',
      'nf':' arts com firm info net other per rec store web ',
      'ng':' biz com edu gov mil mobi name net org sch ',
      'ni':' ac co com edu gob mil net nom org ',
      'np':' com edu gov mil net org ',
      'nr':' biz com edu gov info net org ',
      'om':' ac biz co com edu gov med mil museum net org pro sch ',
      'pe':' com edu gob mil net nom org sld ',
      'ph':' com edu gov i mil net ngo org ',
      'pk':' biz com edu fam gob gok gon gop gos gov net org web ',
      'pl':' art bialystok biz com edu gda gdansk gorzow gov info katowice krakow lodz lublin mil net ngo olsztyn org poznan pwr radom slupsk szczecin torun warszawa waw wroc wroclaw zgora ',
      'pr':' ac biz com edu est gov info isla name net org pro prof ',
      'ps':' com edu gov net org plo sec ',
      'pw':' belau co ed go ne or ',
      'ro':' arts com firm info nom nt org rec store tm www ',
      'rs':' ac co edu gov in org ',
      'sb':' com edu gov net org ',
      'sc':' com edu gov net org ',
      'sh':' co com edu gov net nom org ',
      'sl':' com edu gov net org ',
      'st':' co com consulado edu embaixada gov mil net org principe saotome store ',
      'sv':' com edu gob org red ',
      'sz':' ac co org ',
      'tr':' av bbs bel biz com dr edu gen gov info k12 name net org pol tel tsk tv web ',
      'tt':' aero biz cat co com coop edu gov info int jobs mil mobi museum name net org pro tel travel ',
      'tw':' club com ebiz edu game gov idv mil net org ',
      'mu':' ac co com gov net or org ',
      'mz':' ac co edu gov org ',
      'na':' co com ',
      'nz':' ac co cri geek gen govt health iwi maori mil net org parliament school ',
      'pa':' abo ac com edu gob ing med net nom org sld ',
      'pt':' com edu gov int net nome org publ ',
      'py':' com edu gov mil net org ',
      'qa':' com edu gov mil net org ',
      're':' asso com nom ',
      'ru':' ac adygeya altai amur arkhangelsk astrakhan bashkiria belgorod bir bryansk buryatia cbg chel chelyabinsk chita chukotka chuvashia com dagestan e-burg edu gov grozny int irkutsk ivanovo izhevsk jar joshkar-ola kalmykia kaluga kamchatka karelia kazan kchr kemerovo khabarovsk khakassia khv kirov koenig komi kostroma kranoyarsk kuban kurgan kursk lipetsk magadan mari mari-el marine mil mordovia mosreg msk murmansk nalchik net nnov nov novosibirsk nsk omsk orenburg org oryol penza perm pp pskov ptz rnd ryazan sakhalin samara saratov simbirsk smolensk spb stavropol stv surgut tambov tatarstan tom tomsk tsaritsyn tsk tula tuva tver tyumen udm udmurtia ulan-ude vladikavkaz vladimir vladivostok volgograd vologda voronezh vrn vyatka yakutia yamal yekaterinburg yuzhno-sakhalinsk ',
      'rw':' ac co com edu gouv gov int mil net ',
      'sa':' com edu gov med net org pub sch ',
      'sd':' com edu gov info med net org tv ',
      'se':' a ac b bd c d e f g h i k l m n o org p parti pp press r s t tm u w x y z ',
      'sg':' com edu gov idn net org per ',
      'sn':' art com edu gouv org perso univ ',
      'sy':' com edu gov mil net news org ',
      'th':' ac co go in mi net or ',
      'tj':' ac biz co com edu go gov info int mil name net nic org test web ',
      'tn':' agrinet com defense edunet ens fin gov ind info intl mincom nat net org perso rnrt rns rnu tourism ',
      'tz':' ac co go ne or ',
      'ua':' biz cherkassy chernigov chernovtsy ck cn co com crimea cv dn dnepropetrovsk donetsk dp edu gov if in ivano-frankivsk kh kharkov kherson khmelnitskiy kiev kirovograd km kr ks kv lg lugansk lutsk lviv me mk net nikolaev od odessa org pl poltava pp rovno rv sebastopol sumy te ternopil uzhgorod vinnica vn zaporizhzhe zhitomir zp zt ',
      'ug':' ac co go ne or org sc ',
      'uk':' ac bl british-library co cym gov govt icnet jet lea ltd me mil mod national-library-scotland nel net nhs nic nls org orgn parliament plc police sch scot soc ',
      'us':' dni fed isa kids nsn ',
      'uy':' com edu gub mil net org ',
      've':' co com edu gob info mil net org web ',
      'vi':' co com k12 net org ',
      'vn':' ac biz com edu gov health info int name net org pro ',
      'ye':' co com gov ltd me net org plc ',
      'yu':' ac co edu gov org ',
      'za':' ac agric alt bourse city co cybernet db edu gov grondar iaccess imt inca landesign law mil net ngo nis nom olivetti org pix school tm web ',
      'zm':' ac co com edu gov net org sch ',
      // https://en.wikipedia.org/wiki/CentralNic#Second-level_domains
      'com': 'ar br cn de eu gb gr hu jpn kr no qc ru sa se uk us uy za ',
      'net': 'gb jp se uk ',
      'org': 'ae',
      'de': 'com '
    },
    // gorhill 2013-10-25: Using indexOf() instead Regexp(). Significant boost
    // in both performance and memory footprint. No initialization required.
    // http://jsperf.com/uri-js-sld-regex-vs-binary-search/4
    // Following methods use lastIndexOf() rather than array.split() in order
    // to avoid any memory allocations.
    has: function(domain) {
      var tldOffset = domain.lastIndexOf('.');
      if (tldOffset <= 0 || tldOffset >= (domain.length-1)) {
        return false;
      }
      var sldOffset = domain.lastIndexOf('.', tldOffset-1);
      if (sldOffset <= 0 || sldOffset >= (tldOffset-1)) {
        return false;
      }
      var sldList = SLD.list[domain.slice(tldOffset+1)];
      if (!sldList) {
        return false;
      }
      return sldList.indexOf(' ' + domain.slice(sldOffset+1, tldOffset) + ' ') >= 0;
    },
    is: function(domain) {
      var tldOffset = domain.lastIndexOf('.');
      if (tldOffset <= 0 || tldOffset >= (domain.length-1)) {
        return false;
      }
      var sldOffset = domain.lastIndexOf('.', tldOffset-1);
      if (sldOffset >= 0) {
        return false;
      }
      var sldList = SLD.list[domain.slice(tldOffset+1)];
      if (!sldList) {
        return false;
      }
      return sldList.indexOf(' ' + domain.slice(0, tldOffset) + ' ') >= 0;
    },
    get: function(domain) {
      var tldOffset = domain.lastIndexOf('.');
      if (tldOffset <= 0 || tldOffset >= (domain.length-1)) {
        return null;
      }
      var sldOffset = domain.lastIndexOf('.', tldOffset-1);
      if (sldOffset <= 0 || sldOffset >= (tldOffset-1)) {
        return null;
      }
      var sldList = SLD.list[domain.slice(tldOffset+1)];
      if (!sldList) {
        return null;
      }
      if (sldList.indexOf(' ' + domain.slice(sldOffset+1, tldOffset) + ' ') < 0) {
        return null;
      }
      return domain.slice(sldOffset+1);
    },
    noConflict: function(){
      if (root.SecondLevelDomains === this) {
        root.SecondLevelDomains = _SecondLevelDomains;
      }
      return this;
    }
  };

  return SLD;
}));


/***/ }),

/***/ "./node_modules/urijs/src/URI.js":
/*!***************************************!*\
  !*** ./node_modules/urijs/src/URI.js ***!
  \***************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;/*!
 * URI.js - Mutating URLs
 *
 * Version: 1.19.1
 *
 * Author: Rodney Rehm
 * Web: http://medialize.github.io/URI.js/
 *
 * Licensed under
 *   MIT License http://www.opensource.org/licenses/mit-license
 *
 */
(function (root, factory) {
  'use strict';
  // https://github.com/umdjs/umd/blob/master/returnExports.js
  if (typeof module === 'object' && module.exports) {
    // Node
    module.exports = factory(__webpack_require__(/*! ./punycode */ "./node_modules/urijs/src/punycode.js"), __webpack_require__(/*! ./IPv6 */ "./node_modules/urijs/src/IPv6.js"), __webpack_require__(/*! ./SecondLevelDomains */ "./node_modules/urijs/src/SecondLevelDomains.js"));
  } else if (true) {
    // AMD. Register as an anonymous module.
    !(__WEBPACK_AMD_DEFINE_ARRAY__ = [__webpack_require__(/*! ./punycode */ "./node_modules/urijs/src/punycode.js"), __webpack_require__(/*! ./IPv6 */ "./node_modules/urijs/src/IPv6.js"), __webpack_require__(/*! ./SecondLevelDomains */ "./node_modules/urijs/src/SecondLevelDomains.js")], __WEBPACK_AMD_DEFINE_FACTORY__ = (factory),
				__WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ?
				(__WEBPACK_AMD_DEFINE_FACTORY__.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__)) : __WEBPACK_AMD_DEFINE_FACTORY__),
				__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
  } else {}
}(this, function (punycode, IPv6, SLD, root) {
  'use strict';
  /*global location, escape, unescape */
  // FIXME: v2.0.0 renamce non-camelCase properties to uppercase
  /*jshint camelcase: false */

  // save current URI variable, if any
  var _URI = root && root.URI;

  function URI(url, base) {
    var _urlSupplied = arguments.length >= 1;
    var _baseSupplied = arguments.length >= 2;

    // Allow instantiation without the 'new' keyword
    if (!(this instanceof URI)) {
      if (_urlSupplied) {
        if (_baseSupplied) {
          return new URI(url, base);
        }

        return new URI(url);
      }

      return new URI();
    }

    if (url === undefined) {
      if (_urlSupplied) {
        throw new TypeError('undefined is not a valid argument for URI');
      }

      if (typeof location !== 'undefined') {
        url = location.href + '';
      } else {
        url = '';
      }
    }

    if (url === null) {
      if (_urlSupplied) {
        throw new TypeError('null is not a valid argument for URI');
      }
    }

    this.href(url);

    // resolve to base according to http://dvcs.w3.org/hg/url/raw-file/tip/Overview.html#constructor
    if (base !== undefined) {
      return this.absoluteTo(base);
    }

    return this;
  }

  function isInteger(value) {
    return /^[0-9]+$/.test(value);
  }

  URI.version = '1.19.1';

  var p = URI.prototype;
  var hasOwn = Object.prototype.hasOwnProperty;

  function escapeRegEx(string) {
    // https://github.com/medialize/URI.js/commit/85ac21783c11f8ccab06106dba9735a31a86924d#commitcomment-821963
    return string.replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
  }

  function getType(value) {
    // IE8 doesn't return [Object Undefined] but [Object Object] for undefined value
    if (value === undefined) {
      return 'Undefined';
    }

    return String(Object.prototype.toString.call(value)).slice(8, -1);
  }

  function isArray(obj) {
    return getType(obj) === 'Array';
  }

  function filterArrayValues(data, value) {
    var lookup = {};
    var i, length;

    if (getType(value) === 'RegExp') {
      lookup = null;
    } else if (isArray(value)) {
      for (i = 0, length = value.length; i < length; i++) {
        lookup[value[i]] = true;
      }
    } else {
      lookup[value] = true;
    }

    for (i = 0, length = data.length; i < length; i++) {
      /*jshint laxbreak: true */
      var _match = lookup && lookup[data[i]] !== undefined
        || !lookup && value.test(data[i]);
      /*jshint laxbreak: false */
      if (_match) {
        data.splice(i, 1);
        length--;
        i--;
      }
    }

    return data;
  }

  function arrayContains(list, value) {
    var i, length;

    // value may be string, number, array, regexp
    if (isArray(value)) {
      // Note: this can be optimized to O(n) (instead of current O(m * n))
      for (i = 0, length = value.length; i < length; i++) {
        if (!arrayContains(list, value[i])) {
          return false;
        }
      }

      return true;
    }

    var _type = getType(value);
    for (i = 0, length = list.length; i < length; i++) {
      if (_type === 'RegExp') {
        if (typeof list[i] === 'string' && list[i].match(value)) {
          return true;
        }
      } else if (list[i] === value) {
        return true;
      }
    }

    return false;
  }

  function arraysEqual(one, two) {
    if (!isArray(one) || !isArray(two)) {
      return false;
    }

    // arrays can't be equal if they have different amount of content
    if (one.length !== two.length) {
      return false;
    }

    one.sort();
    two.sort();

    for (var i = 0, l = one.length; i < l; i++) {
      if (one[i] !== two[i]) {
        return false;
      }
    }

    return true;
  }

  function trimSlashes(text) {
    var trim_expression = /^\/+|\/+$/g;
    return text.replace(trim_expression, '');
  }

  URI._parts = function() {
    return {
      protocol: null,
      username: null,
      password: null,
      hostname: null,
      urn: null,
      port: null,
      path: null,
      query: null,
      fragment: null,
      // state
      preventInvalidHostname: URI.preventInvalidHostname,
      duplicateQueryParameters: URI.duplicateQueryParameters,
      escapeQuerySpace: URI.escapeQuerySpace
    };
  };
  // state: throw on invalid hostname
  // see https://github.com/medialize/URI.js/pull/345
  // and https://github.com/medialize/URI.js/issues/354
  URI.preventInvalidHostname = false;
  // state: allow duplicate query parameters (a=1&a=1)
  URI.duplicateQueryParameters = false;
  // state: replaces + with %20 (space in query strings)
  URI.escapeQuerySpace = true;
  // static properties
  URI.protocol_expression = /^[a-z][a-z0-9.+-]*$/i;
  URI.idn_expression = /[^a-z0-9\._-]/i;
  URI.punycode_expression = /(xn--)/i;
  // well, 333.444.555.666 matches, but it sure ain't no IPv4 - do we care?
  URI.ip4_expression = /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/;
  // credits to Rich Brown
  // source: http://forums.intermapper.com/viewtopic.php?p=1096#1096
  // specification: http://www.ietf.org/rfc/rfc4291.txt
  URI.ip6_expression = /^\s*((([0-9A-Fa-f]{1,4}:){7}([0-9A-Fa-f]{1,4}|:))|(([0-9A-Fa-f]{1,4}:){6}(:[0-9A-Fa-f]{1,4}|((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){5}(((:[0-9A-Fa-f]{1,4}){1,2})|:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){4}(((:[0-9A-Fa-f]{1,4}){1,3})|((:[0-9A-Fa-f]{1,4})?:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){3}(((:[0-9A-Fa-f]{1,4}){1,4})|((:[0-9A-Fa-f]{1,4}){0,2}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){2}(((:[0-9A-Fa-f]{1,4}){1,5})|((:[0-9A-Fa-f]{1,4}){0,3}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){1}(((:[0-9A-Fa-f]{1,4}){1,6})|((:[0-9A-Fa-f]{1,4}){0,4}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(:(((:[0-9A-Fa-f]{1,4}){1,7})|((:[0-9A-Fa-f]{1,4}){0,5}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))(%.+)?\s*$/;
  // expression used is "gruber revised" (@gruber v2) determined to be the
  // best solution in a regex-golf we did a couple of ages ago at
  // * http://mathiasbynens.be/demo/url-regex
  // * http://rodneyrehm.de/t/url-regex.html
  URI.find_uri_expression = /\b((?:[a-z][\w-]+:(?:\/{1,3}|[a-z0-9%])|www\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,4}\/)(?:[^\s()<>]+|\(([^\s()<>]+|(\([^\s()<>]+\)))*\))+(?:\(([^\s()<>]+|(\([^\s()<>]+\)))*\)|[^\s`!()\[\]{};:'".,<>?«»“”‘’]))/ig;
  URI.findUri = {
    // valid "scheme://" or "www."
    start: /\b(?:([a-z][a-z0-9.+-]*:\/\/)|www\.)/gi,
    // everything up to the next whitespace
    end: /[\s\r\n]|$/,
    // trim trailing punctuation captured by end RegExp
    trim: /[`!()\[\]{};:'".,<>?«»“”„‘’]+$/,
    // balanced parens inclusion (), [], {}, <>
    parens: /(\([^\)]*\)|\[[^\]]*\]|\{[^}]*\}|<[^>]*>)/g,
  };
  // http://www.iana.org/assignments/uri-schemes.html
  // http://en.wikipedia.org/wiki/List_of_TCP_and_UDP_port_numbers#Well-known_ports
  URI.defaultPorts = {
    http: '80',
    https: '443',
    ftp: '21',
    gopher: '70',
    ws: '80',
    wss: '443'
  };
  // list of protocols which always require a hostname
  URI.hostProtocols = [
    'http',
    'https'
  ];

  // allowed hostname characters according to RFC 3986
  // ALPHA DIGIT "-" "." "_" "~" "!" "$" "&" "'" "(" ")" "*" "+" "," ";" "=" %encoded
  // I've never seen a (non-IDN) hostname other than: ALPHA DIGIT . - _
  URI.invalid_hostname_characters = /[^a-zA-Z0-9\.\-:_]/;
  // map DOM Elements to their URI attribute
  URI.domAttributes = {
    'a': 'href',
    'blockquote': 'cite',
    'link': 'href',
    'base': 'href',
    'script': 'src',
    'form': 'action',
    'img': 'src',
    'area': 'href',
    'iframe': 'src',
    'embed': 'src',
    'source': 'src',
    'track': 'src',
    'input': 'src', // but only if type="image"
    'audio': 'src',
    'video': 'src'
  };
  URI.getDomAttribute = function(node) {
    if (!node || !node.nodeName) {
      return undefined;
    }

    var nodeName = node.nodeName.toLowerCase();
    // <input> should only expose src for type="image"
    if (nodeName === 'input' && node.type !== 'image') {
      return undefined;
    }

    return URI.domAttributes[nodeName];
  };

  function escapeForDumbFirefox36(value) {
    // https://github.com/medialize/URI.js/issues/91
    return escape(value);
  }

  // encoding / decoding according to RFC3986
  function strictEncodeURIComponent(string) {
    // see https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/encodeURIComponent
    return encodeURIComponent(string)
      .replace(/[!'()*]/g, escapeForDumbFirefox36)
      .replace(/\*/g, '%2A');
  }
  URI.encode = strictEncodeURIComponent;
  URI.decode = decodeURIComponent;
  URI.iso8859 = function() {
    URI.encode = escape;
    URI.decode = unescape;
  };
  URI.unicode = function() {
    URI.encode = strictEncodeURIComponent;
    URI.decode = decodeURIComponent;
  };
  URI.characters = {
    pathname: {
      encode: {
        // RFC3986 2.1: For consistency, URI producers and normalizers should
        // use uppercase hexadecimal digits for all percent-encodings.
        expression: /%(24|26|2B|2C|3B|3D|3A|40)/ig,
        map: {
          // -._~!'()*
          '%24': '$',
          '%26': '&',
          '%2B': '+',
          '%2C': ',',
          '%3B': ';',
          '%3D': '=',
          '%3A': ':',
          '%40': '@'
        }
      },
      decode: {
        expression: /[\/\?#]/g,
        map: {
          '/': '%2F',
          '?': '%3F',
          '#': '%23'
        }
      }
    },
    reserved: {
      encode: {
        // RFC3986 2.1: For consistency, URI producers and normalizers should
        // use uppercase hexadecimal digits for all percent-encodings.
        expression: /%(21|23|24|26|27|28|29|2A|2B|2C|2F|3A|3B|3D|3F|40|5B|5D)/ig,
        map: {
          // gen-delims
          '%3A': ':',
          '%2F': '/',
          '%3F': '?',
          '%23': '#',
          '%5B': '[',
          '%5D': ']',
          '%40': '@',
          // sub-delims
          '%21': '!',
          '%24': '$',
          '%26': '&',
          '%27': '\'',
          '%28': '(',
          '%29': ')',
          '%2A': '*',
          '%2B': '+',
          '%2C': ',',
          '%3B': ';',
          '%3D': '='
        }
      }
    },
    urnpath: {
      // The characters under `encode` are the characters called out by RFC 2141 as being acceptable
      // for usage in a URN. RFC2141 also calls out "-", ".", and "_" as acceptable characters, but
      // these aren't encoded by encodeURIComponent, so we don't have to call them out here. Also
      // note that the colon character is not featured in the encoding map; this is because URI.js
      // gives the colons in URNs semantic meaning as the delimiters of path segements, and so it
      // should not appear unencoded in a segment itself.
      // See also the note above about RFC3986 and capitalalized hex digits.
      encode: {
        expression: /%(21|24|27|28|29|2A|2B|2C|3B|3D|40)/ig,
        map: {
          '%21': '!',
          '%24': '$',
          '%27': '\'',
          '%28': '(',
          '%29': ')',
          '%2A': '*',
          '%2B': '+',
          '%2C': ',',
          '%3B': ';',
          '%3D': '=',
          '%40': '@'
        }
      },
      // These characters are the characters called out by RFC2141 as "reserved" characters that
      // should never appear in a URN, plus the colon character (see note above).
      decode: {
        expression: /[\/\?#:]/g,
        map: {
          '/': '%2F',
          '?': '%3F',
          '#': '%23',
          ':': '%3A'
        }
      }
    }
  };
  URI.encodeQuery = function(string, escapeQuerySpace) {
    var escaped = URI.encode(string + '');
    if (escapeQuerySpace === undefined) {
      escapeQuerySpace = URI.escapeQuerySpace;
    }

    return escapeQuerySpace ? escaped.replace(/%20/g, '+') : escaped;
  };
  URI.decodeQuery = function(string, escapeQuerySpace) {
    string += '';
    if (escapeQuerySpace === undefined) {
      escapeQuerySpace = URI.escapeQuerySpace;
    }

    try {
      return URI.decode(escapeQuerySpace ? string.replace(/\+/g, '%20') : string);
    } catch(e) {
      // we're not going to mess with weird encodings,
      // give up and return the undecoded original string
      // see https://github.com/medialize/URI.js/issues/87
      // see https://github.com/medialize/URI.js/issues/92
      return string;
    }
  };
  // generate encode/decode path functions
  var _parts = {'encode':'encode', 'decode':'decode'};
  var _part;
  var generateAccessor = function(_group, _part) {
    return function(string) {
      try {
        return URI[_part](string + '').replace(URI.characters[_group][_part].expression, function(c) {
          return URI.characters[_group][_part].map[c];
        });
      } catch (e) {
        // we're not going to mess with weird encodings,
        // give up and return the undecoded original string
        // see https://github.com/medialize/URI.js/issues/87
        // see https://github.com/medialize/URI.js/issues/92
        return string;
      }
    };
  };

  for (_part in _parts) {
    URI[_part + 'PathSegment'] = generateAccessor('pathname', _parts[_part]);
    URI[_part + 'UrnPathSegment'] = generateAccessor('urnpath', _parts[_part]);
  }

  var generateSegmentedPathFunction = function(_sep, _codingFuncName, _innerCodingFuncName) {
    return function(string) {
      // Why pass in names of functions, rather than the function objects themselves? The
      // definitions of some functions (but in particular, URI.decode) will occasionally change due
      // to URI.js having ISO8859 and Unicode modes. Passing in the name and getting it will ensure
      // that the functions we use here are "fresh".
      var actualCodingFunc;
      if (!_innerCodingFuncName) {
        actualCodingFunc = URI[_codingFuncName];
      } else {
        actualCodingFunc = function(string) {
          return URI[_codingFuncName](URI[_innerCodingFuncName](string));
        };
      }

      var segments = (string + '').split(_sep);

      for (var i = 0, length = segments.length; i < length; i++) {
        segments[i] = actualCodingFunc(segments[i]);
      }

      return segments.join(_sep);
    };
  };

  // This takes place outside the above loop because we don't want, e.g., encodeUrnPath functions.
  URI.decodePath = generateSegmentedPathFunction('/', 'decodePathSegment');
  URI.decodeUrnPath = generateSegmentedPathFunction(':', 'decodeUrnPathSegment');
  URI.recodePath = generateSegmentedPathFunction('/', 'encodePathSegment', 'decode');
  URI.recodeUrnPath = generateSegmentedPathFunction(':', 'encodeUrnPathSegment', 'decode');

  URI.encodeReserved = generateAccessor('reserved', 'encode');

  URI.parse = function(string, parts) {
    var pos;
    if (!parts) {
      parts = {
        preventInvalidHostname: URI.preventInvalidHostname
      };
    }
    // [protocol"://"[username[":"password]"@"]hostname[":"port]"/"?][path]["?"querystring]["#"fragment]

    // extract fragment
    pos = string.indexOf('#');
    if (pos > -1) {
      // escaping?
      parts.fragment = string.substring(pos + 1) || null;
      string = string.substring(0, pos);
    }

    // extract query
    pos = string.indexOf('?');
    if (pos > -1) {
      // escaping?
      parts.query = string.substring(pos + 1) || null;
      string = string.substring(0, pos);
    }

    // extract protocol
    if (string.substring(0, 2) === '//') {
      // relative-scheme
      parts.protocol = null;
      string = string.substring(2);
      // extract "user:pass@host:port"
      string = URI.parseAuthority(string, parts);
    } else {
      pos = string.indexOf(':');
      if (pos > -1) {
        parts.protocol = string.substring(0, pos) || null;
        if (parts.protocol && !parts.protocol.match(URI.protocol_expression)) {
          // : may be within the path
          parts.protocol = undefined;
        } else if (string.substring(pos + 1, pos + 3) === '//') {
          string = string.substring(pos + 3);

          // extract "user:pass@host:port"
          string = URI.parseAuthority(string, parts);
        } else {
          string = string.substring(pos + 1);
          parts.urn = true;
        }
      }
    }

    // what's left must be the path
    parts.path = string;

    // and we're done
    return parts;
  };
  URI.parseHost = function(string, parts) {
    if (!string) {
      string = '';
    }

    // Copy chrome, IE, opera backslash-handling behavior.
    // Back slashes before the query string get converted to forward slashes
    // See: https://github.com/joyent/node/blob/386fd24f49b0e9d1a8a076592a404168faeecc34/lib/url.js#L115-L124
    // See: https://code.google.com/p/chromium/issues/detail?id=25916
    // https://github.com/medialize/URI.js/pull/233
    string = string.replace(/\\/g, '/');

    // extract host:port
    var pos = string.indexOf('/');
    var bracketPos;
    var t;

    if (pos === -1) {
      pos = string.length;
    }

    if (string.charAt(0) === '[') {
      // IPv6 host - http://tools.ietf.org/html/draft-ietf-6man-text-addr-representation-04#section-6
      // I claim most client software breaks on IPv6 anyways. To simplify things, URI only accepts
      // IPv6+port in the format [2001:db8::1]:80 (for the time being)
      bracketPos = string.indexOf(']');
      parts.hostname = string.substring(1, bracketPos) || null;
      parts.port = string.substring(bracketPos + 2, pos) || null;
      if (parts.port === '/') {
        parts.port = null;
      }
    } else {
      var firstColon = string.indexOf(':');
      var firstSlash = string.indexOf('/');
      var nextColon = string.indexOf(':', firstColon + 1);
      if (nextColon !== -1 && (firstSlash === -1 || nextColon < firstSlash)) {
        // IPv6 host contains multiple colons - but no port
        // this notation is actually not allowed by RFC 3986, but we're a liberal parser
        parts.hostname = string.substring(0, pos) || null;
        parts.port = null;
      } else {
        t = string.substring(0, pos).split(':');
        parts.hostname = t[0] || null;
        parts.port = t[1] || null;
      }
    }

    if (parts.hostname && string.substring(pos).charAt(0) !== '/') {
      pos++;
      string = '/' + string;
    }

    if (parts.preventInvalidHostname) {
      URI.ensureValidHostname(parts.hostname, parts.protocol);
    }

    if (parts.port) {
      URI.ensureValidPort(parts.port);
    }

    return string.substring(pos) || '/';
  };
  URI.parseAuthority = function(string, parts) {
    string = URI.parseUserinfo(string, parts);
    return URI.parseHost(string, parts);
  };
  URI.parseUserinfo = function(string, parts) {
    // extract username:password
    var firstSlash = string.indexOf('/');
    var pos = string.lastIndexOf('@', firstSlash > -1 ? firstSlash : string.length - 1);
    var t;

    // authority@ must come before /path
    if (pos > -1 && (firstSlash === -1 || pos < firstSlash)) {
      t = string.substring(0, pos).split(':');
      parts.username = t[0] ? URI.decode(t[0]) : null;
      t.shift();
      parts.password = t[0] ? URI.decode(t.join(':')) : null;
      string = string.substring(pos + 1);
    } else {
      parts.username = null;
      parts.password = null;
    }

    return string;
  };
  URI.parseQuery = function(string, escapeQuerySpace) {
    if (!string) {
      return {};
    }

    // throw out the funky business - "?"[name"="value"&"]+
    string = string.replace(/&+/g, '&').replace(/^\?*&*|&+$/g, '');

    if (!string) {
      return {};
    }

    var items = {};
    var splits = string.split('&');
    var length = splits.length;
    var v, name, value;

    for (var i = 0; i < length; i++) {
      v = splits[i].split('=');
      name = URI.decodeQuery(v.shift(), escapeQuerySpace);
      // no "=" is null according to http://dvcs.w3.org/hg/url/raw-file/tip/Overview.html#collect-url-parameters
      value = v.length ? URI.decodeQuery(v.join('='), escapeQuerySpace) : null;

      if (hasOwn.call(items, name)) {
        if (typeof items[name] === 'string' || items[name] === null) {
          items[name] = [items[name]];
        }

        items[name].push(value);
      } else {
        items[name] = value;
      }
    }

    return items;
  };

  URI.build = function(parts) {
    var t = '';

    if (parts.protocol) {
      t += parts.protocol + ':';
    }

    if (!parts.urn && (t || parts.hostname)) {
      t += '//';
    }

    t += (URI.buildAuthority(parts) || '');

    if (typeof parts.path === 'string') {
      if (parts.path.charAt(0) !== '/' && typeof parts.hostname === 'string') {
        t += '/';
      }

      t += parts.path;
    }

    if (typeof parts.query === 'string' && parts.query) {
      t += '?' + parts.query;
    }

    if (typeof parts.fragment === 'string' && parts.fragment) {
      t += '#' + parts.fragment;
    }
    return t;
  };
  URI.buildHost = function(parts) {
    var t = '';

    if (!parts.hostname) {
      return '';
    } else if (URI.ip6_expression.test(parts.hostname)) {
      t += '[' + parts.hostname + ']';
    } else {
      t += parts.hostname;
    }

    if (parts.port) {
      t += ':' + parts.port;
    }

    return t;
  };
  URI.buildAuthority = function(parts) {
    return URI.buildUserinfo(parts) + URI.buildHost(parts);
  };
  URI.buildUserinfo = function(parts) {
    var t = '';

    if (parts.username) {
      t += URI.encode(parts.username);
    }

    if (parts.password) {
      t += ':' + URI.encode(parts.password);
    }

    if (t) {
      t += '@';
    }

    return t;
  };
  URI.buildQuery = function(data, duplicateQueryParameters, escapeQuerySpace) {
    // according to http://tools.ietf.org/html/rfc3986 or http://labs.apache.org/webarch/uri/rfc/rfc3986.html
    // being »-._~!$&'()*+,;=:@/?« %HEX and alnum are allowed
    // the RFC explicitly states ?/foo being a valid use case, no mention of parameter syntax!
    // URI.js treats the query string as being application/x-www-form-urlencoded
    // see http://www.w3.org/TR/REC-html40/interact/forms.html#form-content-type

    var t = '';
    var unique, key, i, length;
    for (key in data) {
      if (hasOwn.call(data, key) && key) {
        if (isArray(data[key])) {
          unique = {};
          for (i = 0, length = data[key].length; i < length; i++) {
            if (data[key][i] !== undefined && unique[data[key][i] + ''] === undefined) {
              t += '&' + URI.buildQueryParameter(key, data[key][i], escapeQuerySpace);
              if (duplicateQueryParameters !== true) {
                unique[data[key][i] + ''] = true;
              }
            }
          }
        } else if (data[key] !== undefined) {
          t += '&' + URI.buildQueryParameter(key, data[key], escapeQuerySpace);
        }
      }
    }

    return t.substring(1);
  };
  URI.buildQueryParameter = function(name, value, escapeQuerySpace) {
    // http://www.w3.org/TR/REC-html40/interact/forms.html#form-content-type -- application/x-www-form-urlencoded
    // don't append "=" for null values, according to http://dvcs.w3.org/hg/url/raw-file/tip/Overview.html#url-parameter-serialization
    return URI.encodeQuery(name, escapeQuerySpace) + (value !== null ? '=' + URI.encodeQuery(value, escapeQuerySpace) : '');
  };

  URI.addQuery = function(data, name, value) {
    if (typeof name === 'object') {
      for (var key in name) {
        if (hasOwn.call(name, key)) {
          URI.addQuery(data, key, name[key]);
        }
      }
    } else if (typeof name === 'string') {
      if (data[name] === undefined) {
        data[name] = value;
        return;
      } else if (typeof data[name] === 'string') {
        data[name] = [data[name]];
      }

      if (!isArray(value)) {
        value = [value];
      }

      data[name] = (data[name] || []).concat(value);
    } else {
      throw new TypeError('URI.addQuery() accepts an object, string as the name parameter');
    }
  };

  URI.setQuery = function(data, name, value) {
    if (typeof name === 'object') {
      for (var key in name) {
        if (hasOwn.call(name, key)) {
          URI.setQuery(data, key, name[key]);
        }
      }
    } else if (typeof name === 'string') {
      data[name] = value === undefined ? null : value;
    } else {
      throw new TypeError('URI.setQuery() accepts an object, string as the name parameter');
    }
  };

  URI.removeQuery = function(data, name, value) {
    var i, length, key;

    if (isArray(name)) {
      for (i = 0, length = name.length; i < length; i++) {
        data[name[i]] = undefined;
      }
    } else if (getType(name) === 'RegExp') {
      for (key in data) {
        if (name.test(key)) {
          data[key] = undefined;
        }
      }
    } else if (typeof name === 'object') {
      for (key in name) {
        if (hasOwn.call(name, key)) {
          URI.removeQuery(data, key, name[key]);
        }
      }
    } else if (typeof name === 'string') {
      if (value !== undefined) {
        if (getType(value) === 'RegExp') {
          if (!isArray(data[name]) && value.test(data[name])) {
            data[name] = undefined;
          } else {
            data[name] = filterArrayValues(data[name], value);
          }
        } else if (data[name] === String(value) && (!isArray(value) || value.length === 1)) {
          data[name] = undefined;
        } else if (isArray(data[name])) {
          data[name] = filterArrayValues(data[name], value);
        }
      } else {
        data[name] = undefined;
      }
    } else {
      throw new TypeError('URI.removeQuery() accepts an object, string, RegExp as the first parameter');
    }
  };
  URI.hasQuery = function(data, name, value, withinArray) {
    switch (getType(name)) {
      case 'String':
        // Nothing to do here
        break;

      case 'RegExp':
        for (var key in data) {
          if (hasOwn.call(data, key)) {
            if (name.test(key) && (value === undefined || URI.hasQuery(data, key, value))) {
              return true;
            }
          }
        }

        return false;

      case 'Object':
        for (var _key in name) {
          if (hasOwn.call(name, _key)) {
            if (!URI.hasQuery(data, _key, name[_key])) {
              return false;
            }
          }
        }

        return true;

      default:
        throw new TypeError('URI.hasQuery() accepts a string, regular expression or object as the name parameter');
    }

    switch (getType(value)) {
      case 'Undefined':
        // true if exists (but may be empty)
        return name in data; // data[name] !== undefined;

      case 'Boolean':
        // true if exists and non-empty
        var _booly = Boolean(isArray(data[name]) ? data[name].length : data[name]);
        return value === _booly;

      case 'Function':
        // allow complex comparison
        return !!value(data[name], name, data);

      case 'Array':
        if (!isArray(data[name])) {
          return false;
        }

        var op = withinArray ? arrayContains : arraysEqual;
        return op(data[name], value);

      case 'RegExp':
        if (!isArray(data[name])) {
          return Boolean(data[name] && data[name].match(value));
        }

        if (!withinArray) {
          return false;
        }

        return arrayContains(data[name], value);

      case 'Number':
        value = String(value);
        /* falls through */
      case 'String':
        if (!isArray(data[name])) {
          return data[name] === value;
        }

        if (!withinArray) {
          return false;
        }

        return arrayContains(data[name], value);

      default:
        throw new TypeError('URI.hasQuery() accepts undefined, boolean, string, number, RegExp, Function as the value parameter');
    }
  };


  URI.joinPaths = function() {
    var input = [];
    var segments = [];
    var nonEmptySegments = 0;

    for (var i = 0; i < arguments.length; i++) {
      var url = new URI(arguments[i]);
      input.push(url);
      var _segments = url.segment();
      for (var s = 0; s < _segments.length; s++) {
        if (typeof _segments[s] === 'string') {
          segments.push(_segments[s]);
        }

        if (_segments[s]) {
          nonEmptySegments++;
        }
      }
    }

    if (!segments.length || !nonEmptySegments) {
      return new URI('');
    }

    var uri = new URI('').segment(segments);

    if (input[0].path() === '' || input[0].path().slice(0, 1) === '/') {
      uri.path('/' + uri.path());
    }

    return uri.normalize();
  };

  URI.commonPath = function(one, two) {
    var length = Math.min(one.length, two.length);
    var pos;

    // find first non-matching character
    for (pos = 0; pos < length; pos++) {
      if (one.charAt(pos) !== two.charAt(pos)) {
        pos--;
        break;
      }
    }

    if (pos < 1) {
      return one.charAt(0) === two.charAt(0) && one.charAt(0) === '/' ? '/' : '';
    }

    // revert to last /
    if (one.charAt(pos) !== '/' || two.charAt(pos) !== '/') {
      pos = one.substring(0, pos).lastIndexOf('/');
    }

    return one.substring(0, pos + 1);
  };

  URI.withinString = function(string, callback, options) {
    options || (options = {});
    var _start = options.start || URI.findUri.start;
    var _end = options.end || URI.findUri.end;
    var _trim = options.trim || URI.findUri.trim;
    var _parens = options.parens || URI.findUri.parens;
    var _attributeOpen = /[a-z0-9-]=["']?$/i;

    _start.lastIndex = 0;
    while (true) {
      var match = _start.exec(string);
      if (!match) {
        break;
      }

      var start = match.index;
      if (options.ignoreHtml) {
        // attribut(e=["']?$)
        var attributeOpen = string.slice(Math.max(start - 3, 0), start);
        if (attributeOpen && _attributeOpen.test(attributeOpen)) {
          continue;
        }
      }

      var end = start + string.slice(start).search(_end);
      var slice = string.slice(start, end);
      // make sure we include well balanced parens
      var parensEnd = -1;
      while (true) {
        var parensMatch = _parens.exec(slice);
        if (!parensMatch) {
          break;
        }

        var parensMatchEnd = parensMatch.index + parensMatch[0].length;
        parensEnd = Math.max(parensEnd, parensMatchEnd);
      }

      if (parensEnd > -1) {
        slice = slice.slice(0, parensEnd) + slice.slice(parensEnd).replace(_trim, '');
      } else {
        slice = slice.replace(_trim, '');
      }

      if (slice.length <= match[0].length) {
        // the extract only contains the starting marker of a URI,
        // e.g. "www" or "http://"
        continue;
      }

      if (options.ignore && options.ignore.test(slice)) {
        continue;
      }

      end = start + slice.length;
      var result = callback(slice, start, end, string);
      if (result === undefined) {
        _start.lastIndex = end;
        continue;
      }

      result = String(result);
      string = string.slice(0, start) + result + string.slice(end);
      _start.lastIndex = start + result.length;
    }

    _start.lastIndex = 0;
    return string;
  };

  URI.ensureValidHostname = function(v, protocol) {
    // Theoretically URIs allow percent-encoding in Hostnames (according to RFC 3986)
    // they are not part of DNS and therefore ignored by URI.js

    var hasHostname = !!v; // not null and not an empty string
    var hasProtocol = !!protocol;
    var rejectEmptyHostname = false;

    if (hasProtocol) {
      rejectEmptyHostname = arrayContains(URI.hostProtocols, protocol);
    }

    if (rejectEmptyHostname && !hasHostname) {
      throw new TypeError('Hostname cannot be empty, if protocol is ' + protocol);
    } else if (v && v.match(URI.invalid_hostname_characters)) {
      // test punycode
      if (!punycode) {
        throw new TypeError('Hostname "' + v + '" contains characters other than [A-Z0-9.-:_] and Punycode.js is not available');
      }
      if (punycode.toASCII(v).match(URI.invalid_hostname_characters)) {
        throw new TypeError('Hostname "' + v + '" contains characters other than [A-Z0-9.-:_]');
      }
    }
  };

  URI.ensureValidPort = function (v) {
    if (!v) {
      return;
    }

    var port = Number(v);
    if (isInteger(port) && (port > 0) && (port < 65536)) {
      return;
    }

    throw new TypeError('Port "' + v + '" is not a valid port');
  };

  // noConflict
  URI.noConflict = function(removeAll) {
    if (removeAll) {
      var unconflicted = {
        URI: this.noConflict()
      };

      if (root.URITemplate && typeof root.URITemplate.noConflict === 'function') {
        unconflicted.URITemplate = root.URITemplate.noConflict();
      }

      if (root.IPv6 && typeof root.IPv6.noConflict === 'function') {
        unconflicted.IPv6 = root.IPv6.noConflict();
      }

      if (root.SecondLevelDomains && typeof root.SecondLevelDomains.noConflict === 'function') {
        unconflicted.SecondLevelDomains = root.SecondLevelDomains.noConflict();
      }

      return unconflicted;
    } else if (root.URI === this) {
      root.URI = _URI;
    }

    return this;
  };

  p.build = function(deferBuild) {
    if (deferBuild === true) {
      this._deferred_build = true;
    } else if (deferBuild === undefined || this._deferred_build) {
      this._string = URI.build(this._parts);
      this._deferred_build = false;
    }

    return this;
  };

  p.clone = function() {
    return new URI(this);
  };

  p.valueOf = p.toString = function() {
    return this.build(false)._string;
  };


  function generateSimpleAccessor(_part){
    return function(v, build) {
      if (v === undefined) {
        return this._parts[_part] || '';
      } else {
        this._parts[_part] = v || null;
        this.build(!build);
        return this;
      }
    };
  }

  function generatePrefixAccessor(_part, _key){
    return function(v, build) {
      if (v === undefined) {
        return this._parts[_part] || '';
      } else {
        if (v !== null) {
          v = v + '';
          if (v.charAt(0) === _key) {
            v = v.substring(1);
          }
        }

        this._parts[_part] = v;
        this.build(!build);
        return this;
      }
    };
  }

  p.protocol = generateSimpleAccessor('protocol');
  p.username = generateSimpleAccessor('username');
  p.password = generateSimpleAccessor('password');
  p.hostname = generateSimpleAccessor('hostname');
  p.port = generateSimpleAccessor('port');
  p.query = generatePrefixAccessor('query', '?');
  p.fragment = generatePrefixAccessor('fragment', '#');

  p.search = function(v, build) {
    var t = this.query(v, build);
    return typeof t === 'string' && t.length ? ('?' + t) : t;
  };
  p.hash = function(v, build) {
    var t = this.fragment(v, build);
    return typeof t === 'string' && t.length ? ('#' + t) : t;
  };

  p.pathname = function(v, build) {
    if (v === undefined || v === true) {
      var res = this._parts.path || (this._parts.hostname ? '/' : '');
      return v ? (this._parts.urn ? URI.decodeUrnPath : URI.decodePath)(res) : res;
    } else {
      if (this._parts.urn) {
        this._parts.path = v ? URI.recodeUrnPath(v) : '';
      } else {
        this._parts.path = v ? URI.recodePath(v) : '/';
      }
      this.build(!build);
      return this;
    }
  };
  p.path = p.pathname;
  p.href = function(href, build) {
    var key;

    if (href === undefined) {
      return this.toString();
    }

    this._string = '';
    this._parts = URI._parts();

    var _URI = href instanceof URI;
    var _object = typeof href === 'object' && (href.hostname || href.path || href.pathname);
    if (href.nodeName) {
      var attribute = URI.getDomAttribute(href);
      href = href[attribute] || '';
      _object = false;
    }

    // window.location is reported to be an object, but it's not the sort
    // of object we're looking for:
    // * location.protocol ends with a colon
    // * location.query != object.search
    // * location.hash != object.fragment
    // simply serializing the unknown object should do the trick
    // (for location, not for everything...)
    if (!_URI && _object && href.pathname !== undefined) {
      href = href.toString();
    }

    if (typeof href === 'string' || href instanceof String) {
      this._parts = URI.parse(String(href), this._parts);
    } else if (_URI || _object) {
      var src = _URI ? href._parts : href;
      for (key in src) {
        if (key === 'query') { continue; }
        if (hasOwn.call(this._parts, key)) {
          this._parts[key] = src[key];
        }
      }
      if (src.query) {
        this.query(src.query, false);
      }
    } else {
      throw new TypeError('invalid input');
    }

    this.build(!build);
    return this;
  };

  // identification accessors
  p.is = function(what) {
    var ip = false;
    var ip4 = false;
    var ip6 = false;
    var name = false;
    var sld = false;
    var idn = false;
    var punycode = false;
    var relative = !this._parts.urn;

    if (this._parts.hostname) {
      relative = false;
      ip4 = URI.ip4_expression.test(this._parts.hostname);
      ip6 = URI.ip6_expression.test(this._parts.hostname);
      ip = ip4 || ip6;
      name = !ip;
      sld = name && SLD && SLD.has(this._parts.hostname);
      idn = name && URI.idn_expression.test(this._parts.hostname);
      punycode = name && URI.punycode_expression.test(this._parts.hostname);
    }

    switch (what.toLowerCase()) {
      case 'relative':
        return relative;

      case 'absolute':
        return !relative;

      // hostname identification
      case 'domain':
      case 'name':
        return name;

      case 'sld':
        return sld;

      case 'ip':
        return ip;

      case 'ip4':
      case 'ipv4':
      case 'inet4':
        return ip4;

      case 'ip6':
      case 'ipv6':
      case 'inet6':
        return ip6;

      case 'idn':
        return idn;

      case 'url':
        return !this._parts.urn;

      case 'urn':
        return !!this._parts.urn;

      case 'punycode':
        return punycode;
    }

    return null;
  };

  // component specific input validation
  var _protocol = p.protocol;
  var _port = p.port;
  var _hostname = p.hostname;

  p.protocol = function(v, build) {
    if (v) {
      // accept trailing ://
      v = v.replace(/:(\/\/)?$/, '');

      if (!v.match(URI.protocol_expression)) {
        throw new TypeError('Protocol "' + v + '" contains characters other than [A-Z0-9.+-] or doesn\'t start with [A-Z]');
      }
    }

    return _protocol.call(this, v, build);
  };
  p.scheme = p.protocol;
  p.port = function(v, build) {
    if (this._parts.urn) {
      return v === undefined ? '' : this;
    }

    if (v !== undefined) {
      if (v === 0) {
        v = null;
      }

      if (v) {
        v += '';
        if (v.charAt(0) === ':') {
          v = v.substring(1);
        }

        URI.ensureValidPort(v);
      }
    }
    return _port.call(this, v, build);
  };
  p.hostname = function(v, build) {
    if (this._parts.urn) {
      return v === undefined ? '' : this;
    }

    if (v !== undefined) {
      var x = { preventInvalidHostname: this._parts.preventInvalidHostname };
      var res = URI.parseHost(v, x);
      if (res !== '/') {
        throw new TypeError('Hostname "' + v + '" contains characters other than [A-Z0-9.-]');
      }

      v = x.hostname;
      if (this._parts.preventInvalidHostname) {
        URI.ensureValidHostname(v, this._parts.protocol);
      }
    }

    return _hostname.call(this, v, build);
  };

  // compound accessors
  p.origin = function(v, build) {
    if (this._parts.urn) {
      return v === undefined ? '' : this;
    }

    if (v === undefined) {
      var protocol = this.protocol();
      var authority = this.authority();
      if (!authority) {
        return '';
      }

      return (protocol ? protocol + '://' : '') + this.authority();
    } else {
      var origin = URI(v);
      this
        .protocol(origin.protocol())
        .authority(origin.authority())
        .build(!build);
      return this;
    }
  };
  p.host = function(v, build) {
    if (this._parts.urn) {
      return v === undefined ? '' : this;
    }

    if (v === undefined) {
      return this._parts.hostname ? URI.buildHost(this._parts) : '';
    } else {
      var res = URI.parseHost(v, this._parts);
      if (res !== '/') {
        throw new TypeError('Hostname "' + v + '" contains characters other than [A-Z0-9.-]');
      }

      this.build(!build);
      return this;
    }
  };
  p.authority = function(v, build) {
    if (this._parts.urn) {
      return v === undefined ? '' : this;
    }

    if (v === undefined) {
      return this._parts.hostname ? URI.buildAuthority(this._parts) : '';
    } else {
      var res = URI.parseAuthority(v, this._parts);
      if (res !== '/') {
        throw new TypeError('Hostname "' + v + '" contains characters other than [A-Z0-9.-]');
      }

      this.build(!build);
      return this;
    }
  };
  p.userinfo = function(v, build) {
    if (this._parts.urn) {
      return v === undefined ? '' : this;
    }

    if (v === undefined) {
      var t = URI.buildUserinfo(this._parts);
      return t ? t.substring(0, t.length -1) : t;
    } else {
      if (v[v.length-1] !== '@') {
        v += '@';
      }

      URI.parseUserinfo(v, this._parts);
      this.build(!build);
      return this;
    }
  };
  p.resource = function(v, build) {
    var parts;

    if (v === undefined) {
      return this.path() + this.search() + this.hash();
    }

    parts = URI.parse(v);
    this._parts.path = parts.path;
    this._parts.query = parts.query;
    this._parts.fragment = parts.fragment;
    this.build(!build);
    return this;
  };

  // fraction accessors
  p.subdomain = function(v, build) {
    if (this._parts.urn) {
      return v === undefined ? '' : this;
    }

    // convenience, return "www" from "www.example.org"
    if (v === undefined) {
      if (!this._parts.hostname || this.is('IP')) {
        return '';
      }

      // grab domain and add another segment
      var end = this._parts.hostname.length - this.domain().length - 1;
      return this._parts.hostname.substring(0, end) || '';
    } else {
      var e = this._parts.hostname.length - this.domain().length;
      var sub = this._parts.hostname.substring(0, e);
      var replace = new RegExp('^' + escapeRegEx(sub));

      if (v && v.charAt(v.length - 1) !== '.') {
        v += '.';
      }

      if (v.indexOf(':') !== -1) {
        throw new TypeError('Domains cannot contain colons');
      }

      if (v) {
        URI.ensureValidHostname(v, this._parts.protocol);
      }

      this._parts.hostname = this._parts.hostname.replace(replace, v);
      this.build(!build);
      return this;
    }
  };
  p.domain = function(v, build) {
    if (this._parts.urn) {
      return v === undefined ? '' : this;
    }

    if (typeof v === 'boolean') {
      build = v;
      v = undefined;
    }

    // convenience, return "example.org" from "www.example.org"
    if (v === undefined) {
      if (!this._parts.hostname || this.is('IP')) {
        return '';
      }

      // if hostname consists of 1 or 2 segments, it must be the domain
      var t = this._parts.hostname.match(/\./g);
      if (t && t.length < 2) {
        return this._parts.hostname;
      }

      // grab tld and add another segment
      var end = this._parts.hostname.length - this.tld(build).length - 1;
      end = this._parts.hostname.lastIndexOf('.', end -1) + 1;
      return this._parts.hostname.substring(end) || '';
    } else {
      if (!v) {
        throw new TypeError('cannot set domain empty');
      }

      if (v.indexOf(':') !== -1) {
        throw new TypeError('Domains cannot contain colons');
      }

      URI.ensureValidHostname(v, this._parts.protocol);

      if (!this._parts.hostname || this.is('IP')) {
        this._parts.hostname = v;
      } else {
        var replace = new RegExp(escapeRegEx(this.domain()) + '$');
        this._parts.hostname = this._parts.hostname.replace(replace, v);
      }

      this.build(!build);
      return this;
    }
  };
  p.tld = function(v, build) {
    if (this._parts.urn) {
      return v === undefined ? '' : this;
    }

    if (typeof v === 'boolean') {
      build = v;
      v = undefined;
    }

    // return "org" from "www.example.org"
    if (v === undefined) {
      if (!this._parts.hostname || this.is('IP')) {
        return '';
      }

      var pos = this._parts.hostname.lastIndexOf('.');
      var tld = this._parts.hostname.substring(pos + 1);

      if (build !== true && SLD && SLD.list[tld.toLowerCase()]) {
        return SLD.get(this._parts.hostname) || tld;
      }

      return tld;
    } else {
      var replace;

      if (!v) {
        throw new TypeError('cannot set TLD empty');
      } else if (v.match(/[^a-zA-Z0-9-]/)) {
        if (SLD && SLD.is(v)) {
          replace = new RegExp(escapeRegEx(this.tld()) + '$');
          this._parts.hostname = this._parts.hostname.replace(replace, v);
        } else {
          throw new TypeError('TLD "' + v + '" contains characters other than [A-Z0-9]');
        }
      } else if (!this._parts.hostname || this.is('IP')) {
        throw new ReferenceError('cannot set TLD on non-domain host');
      } else {
        replace = new RegExp(escapeRegEx(this.tld()) + '$');
        this._parts.hostname = this._parts.hostname.replace(replace, v);
      }

      this.build(!build);
      return this;
    }
  };
  p.directory = function(v, build) {
    if (this._parts.urn) {
      return v === undefined ? '' : this;
    }

    if (v === undefined || v === true) {
      if (!this._parts.path && !this._parts.hostname) {
        return '';
      }

      if (this._parts.path === '/') {
        return '/';
      }

      var end = this._parts.path.length - this.filename().length - 1;
      var res = this._parts.path.substring(0, end) || (this._parts.hostname ? '/' : '');

      return v ? URI.decodePath(res) : res;

    } else {
      var e = this._parts.path.length - this.filename().length;
      var directory = this._parts.path.substring(0, e);
      var replace = new RegExp('^' + escapeRegEx(directory));

      // fully qualifier directories begin with a slash
      if (!this.is('relative')) {
        if (!v) {
          v = '/';
        }

        if (v.charAt(0) !== '/') {
          v = '/' + v;
        }
      }

      // directories always end with a slash
      if (v && v.charAt(v.length - 1) !== '/') {
        v += '/';
      }

      v = URI.recodePath(v);
      this._parts.path = this._parts.path.replace(replace, v);
      this.build(!build);
      return this;
    }
  };
  p.filename = function(v, build) {
    if (this._parts.urn) {
      return v === undefined ? '' : this;
    }

    if (typeof v !== 'string') {
      if (!this._parts.path || this._parts.path === '/') {
        return '';
      }

      var pos = this._parts.path.lastIndexOf('/');
      var res = this._parts.path.substring(pos+1);

      return v ? URI.decodePathSegment(res) : res;
    } else {
      var mutatedDirectory = false;

      if (v.charAt(0) === '/') {
        v = v.substring(1);
      }

      if (v.match(/\.?\//)) {
        mutatedDirectory = true;
      }

      var replace = new RegExp(escapeRegEx(this.filename()) + '$');
      v = URI.recodePath(v);
      this._parts.path = this._parts.path.replace(replace, v);

      if (mutatedDirectory) {
        this.normalizePath(build);
      } else {
        this.build(!build);
      }

      return this;
    }
  };
  p.suffix = function(v, build) {
    if (this._parts.urn) {
      return v === undefined ? '' : this;
    }

    if (v === undefined || v === true) {
      if (!this._parts.path || this._parts.path === '/') {
        return '';
      }

      var filename = this.filename();
      var pos = filename.lastIndexOf('.');
      var s, res;

      if (pos === -1) {
        return '';
      }

      // suffix may only contain alnum characters (yup, I made this up.)
      s = filename.substring(pos+1);
      res = (/^[a-z0-9%]+$/i).test(s) ? s : '';
      return v ? URI.decodePathSegment(res) : res;
    } else {
      if (v.charAt(0) === '.') {
        v = v.substring(1);
      }

      var suffix = this.suffix();
      var replace;

      if (!suffix) {
        if (!v) {
          return this;
        }

        this._parts.path += '.' + URI.recodePath(v);
      } else if (!v) {
        replace = new RegExp(escapeRegEx('.' + suffix) + '$');
      } else {
        replace = new RegExp(escapeRegEx(suffix) + '$');
      }

      if (replace) {
        v = URI.recodePath(v);
        this._parts.path = this._parts.path.replace(replace, v);
      }

      this.build(!build);
      return this;
    }
  };
  p.segment = function(segment, v, build) {
    var separator = this._parts.urn ? ':' : '/';
    var path = this.path();
    var absolute = path.substring(0, 1) === '/';
    var segments = path.split(separator);

    if (segment !== undefined && typeof segment !== 'number') {
      build = v;
      v = segment;
      segment = undefined;
    }

    if (segment !== undefined && typeof segment !== 'number') {
      throw new Error('Bad segment "' + segment + '", must be 0-based integer');
    }

    if (absolute) {
      segments.shift();
    }

    if (segment < 0) {
      // allow negative indexes to address from the end
      segment = Math.max(segments.length + segment, 0);
    }

    if (v === undefined) {
      /*jshint laxbreak: true */
      return segment === undefined
        ? segments
        : segments[segment];
      /*jshint laxbreak: false */
    } else if (segment === null || segments[segment] === undefined) {
      if (isArray(v)) {
        segments = [];
        // collapse empty elements within array
        for (var i=0, l=v.length; i < l; i++) {
          if (!v[i].length && (!segments.length || !segments[segments.length -1].length)) {
            continue;
          }

          if (segments.length && !segments[segments.length -1].length) {
            segments.pop();
          }

          segments.push(trimSlashes(v[i]));
        }
      } else if (v || typeof v === 'string') {
        v = trimSlashes(v);
        if (segments[segments.length -1] === '') {
          // empty trailing elements have to be overwritten
          // to prevent results such as /foo//bar
          segments[segments.length -1] = v;
        } else {
          segments.push(v);
        }
      }
    } else {
      if (v) {
        segments[segment] = trimSlashes(v);
      } else {
        segments.splice(segment, 1);
      }
    }

    if (absolute) {
      segments.unshift('');
    }

    return this.path(segments.join(separator), build);
  };
  p.segmentCoded = function(segment, v, build) {
    var segments, i, l;

    if (typeof segment !== 'number') {
      build = v;
      v = segment;
      segment = undefined;
    }

    if (v === undefined) {
      segments = this.segment(segment, v, build);
      if (!isArray(segments)) {
        segments = segments !== undefined ? URI.decode(segments) : undefined;
      } else {
        for (i = 0, l = segments.length; i < l; i++) {
          segments[i] = URI.decode(segments[i]);
        }
      }

      return segments;
    }

    if (!isArray(v)) {
      v = (typeof v === 'string' || v instanceof String) ? URI.encode(v) : v;
    } else {
      for (i = 0, l = v.length; i < l; i++) {
        v[i] = URI.encode(v[i]);
      }
    }

    return this.segment(segment, v, build);
  };

  // mutating query string
  var q = p.query;
  p.query = function(v, build) {
    if (v === true) {
      return URI.parseQuery(this._parts.query, this._parts.escapeQuerySpace);
    } else if (typeof v === 'function') {
      var data = URI.parseQuery(this._parts.query, this._parts.escapeQuerySpace);
      var result = v.call(this, data);
      this._parts.query = URI.buildQuery(result || data, this._parts.duplicateQueryParameters, this._parts.escapeQuerySpace);
      this.build(!build);
      return this;
    } else if (v !== undefined && typeof v !== 'string') {
      this._parts.query = URI.buildQuery(v, this._parts.duplicateQueryParameters, this._parts.escapeQuerySpace);
      this.build(!build);
      return this;
    } else {
      return q.call(this, v, build);
    }
  };
  p.setQuery = function(name, value, build) {
    var data = URI.parseQuery(this._parts.query, this._parts.escapeQuerySpace);

    if (typeof name === 'string' || name instanceof String) {
      data[name] = value !== undefined ? value : null;
    } else if (typeof name === 'object') {
      for (var key in name) {
        if (hasOwn.call(name, key)) {
          data[key] = name[key];
        }
      }
    } else {
      throw new TypeError('URI.addQuery() accepts an object, string as the name parameter');
    }

    this._parts.query = URI.buildQuery(data, this._parts.duplicateQueryParameters, this._parts.escapeQuerySpace);
    if (typeof name !== 'string') {
      build = value;
    }

    this.build(!build);
    return this;
  };
  p.addQuery = function(name, value, build) {
    var data = URI.parseQuery(this._parts.query, this._parts.escapeQuerySpace);
    URI.addQuery(data, name, value === undefined ? null : value);
    this._parts.query = URI.buildQuery(data, this._parts.duplicateQueryParameters, this._parts.escapeQuerySpace);
    if (typeof name !== 'string') {
      build = value;
    }

    this.build(!build);
    return this;
  };
  p.removeQuery = function(name, value, build) {
    var data = URI.parseQuery(this._parts.query, this._parts.escapeQuerySpace);
    URI.removeQuery(data, name, value);
    this._parts.query = URI.buildQuery(data, this._parts.duplicateQueryParameters, this._parts.escapeQuerySpace);
    if (typeof name !== 'string') {
      build = value;
    }

    this.build(!build);
    return this;
  };
  p.hasQuery = function(name, value, withinArray) {
    var data = URI.parseQuery(this._parts.query, this._parts.escapeQuerySpace);
    return URI.hasQuery(data, name, value, withinArray);
  };
  p.setSearch = p.setQuery;
  p.addSearch = p.addQuery;
  p.removeSearch = p.removeQuery;
  p.hasSearch = p.hasQuery;

  // sanitizing URLs
  p.normalize = function() {
    if (this._parts.urn) {
      return this
        .normalizeProtocol(false)
        .normalizePath(false)
        .normalizeQuery(false)
        .normalizeFragment(false)
        .build();
    }

    return this
      .normalizeProtocol(false)
      .normalizeHostname(false)
      .normalizePort(false)
      .normalizePath(false)
      .normalizeQuery(false)
      .normalizeFragment(false)
      .build();
  };
  p.normalizeProtocol = function(build) {
    if (typeof this._parts.protocol === 'string') {
      this._parts.protocol = this._parts.protocol.toLowerCase();
      this.build(!build);
    }

    return this;
  };
  p.normalizeHostname = function(build) {
    if (this._parts.hostname) {
      if (this.is('IDN') && punycode) {
        this._parts.hostname = punycode.toASCII(this._parts.hostname);
      } else if (this.is('IPv6') && IPv6) {
        this._parts.hostname = IPv6.best(this._parts.hostname);
      }

      this._parts.hostname = this._parts.hostname.toLowerCase();
      this.build(!build);
    }

    return this;
  };
  p.normalizePort = function(build) {
    // remove port of it's the protocol's default
    if (typeof this._parts.protocol === 'string' && this._parts.port === URI.defaultPorts[this._parts.protocol]) {
      this._parts.port = null;
      this.build(!build);
    }

    return this;
  };
  p.normalizePath = function(build) {
    var _path = this._parts.path;
    if (!_path) {
      return this;
    }

    if (this._parts.urn) {
      this._parts.path = URI.recodeUrnPath(this._parts.path);
      this.build(!build);
      return this;
    }

    if (this._parts.path === '/') {
      return this;
    }

    _path = URI.recodePath(_path);

    var _was_relative;
    var _leadingParents = '';
    var _parent, _pos;

    // handle relative paths
    if (_path.charAt(0) !== '/') {
      _was_relative = true;
      _path = '/' + _path;
    }

    // handle relative files (as opposed to directories)
    if (_path.slice(-3) === '/..' || _path.slice(-2) === '/.') {
      _path += '/';
    }

    // resolve simples
    _path = _path
      .replace(/(\/(\.\/)+)|(\/\.$)/g, '/')
      .replace(/\/{2,}/g, '/');

    // remember leading parents
    if (_was_relative) {
      _leadingParents = _path.substring(1).match(/^(\.\.\/)+/) || '';
      if (_leadingParents) {
        _leadingParents = _leadingParents[0];
      }
    }

    // resolve parents
    while (true) {
      _parent = _path.search(/\/\.\.(\/|$)/);
      if (_parent === -1) {
        // no more ../ to resolve
        break;
      } else if (_parent === 0) {
        // top level cannot be relative, skip it
        _path = _path.substring(3);
        continue;
      }

      _pos = _path.substring(0, _parent).lastIndexOf('/');
      if (_pos === -1) {
        _pos = _parent;
      }
      _path = _path.substring(0, _pos) + _path.substring(_parent + 3);
    }

    // revert to relative
    if (_was_relative && this.is('relative')) {
      _path = _leadingParents + _path.substring(1);
    }

    this._parts.path = _path;
    this.build(!build);
    return this;
  };
  p.normalizePathname = p.normalizePath;
  p.normalizeQuery = function(build) {
    if (typeof this._parts.query === 'string') {
      if (!this._parts.query.length) {
        this._parts.query = null;
      } else {
        this.query(URI.parseQuery(this._parts.query, this._parts.escapeQuerySpace));
      }

      this.build(!build);
    }

    return this;
  };
  p.normalizeFragment = function(build) {
    if (!this._parts.fragment) {
      this._parts.fragment = null;
      this.build(!build);
    }

    return this;
  };
  p.normalizeSearch = p.normalizeQuery;
  p.normalizeHash = p.normalizeFragment;

  p.iso8859 = function() {
    // expect unicode input, iso8859 output
    var e = URI.encode;
    var d = URI.decode;

    URI.encode = escape;
    URI.decode = decodeURIComponent;
    try {
      this.normalize();
    } finally {
      URI.encode = e;
      URI.decode = d;
    }
    return this;
  };

  p.unicode = function() {
    // expect iso8859 input, unicode output
    var e = URI.encode;
    var d = URI.decode;

    URI.encode = strictEncodeURIComponent;
    URI.decode = unescape;
    try {
      this.normalize();
    } finally {
      URI.encode = e;
      URI.decode = d;
    }
    return this;
  };

  p.readable = function() {
    var uri = this.clone();
    // removing username, password, because they shouldn't be displayed according to RFC 3986
    uri.username('').password('').normalize();
    var t = '';
    if (uri._parts.protocol) {
      t += uri._parts.protocol + '://';
    }

    if (uri._parts.hostname) {
      if (uri.is('punycode') && punycode) {
        t += punycode.toUnicode(uri._parts.hostname);
        if (uri._parts.port) {
          t += ':' + uri._parts.port;
        }
      } else {
        t += uri.host();
      }
    }

    if (uri._parts.hostname && uri._parts.path && uri._parts.path.charAt(0) !== '/') {
      t += '/';
    }

    t += uri.path(true);
    if (uri._parts.query) {
      var q = '';
      for (var i = 0, qp = uri._parts.query.split('&'), l = qp.length; i < l; i++) {
        var kv = (qp[i] || '').split('=');
        q += '&' + URI.decodeQuery(kv[0], this._parts.escapeQuerySpace)
          .replace(/&/g, '%26');

        if (kv[1] !== undefined) {
          q += '=' + URI.decodeQuery(kv[1], this._parts.escapeQuerySpace)
            .replace(/&/g, '%26');
        }
      }
      t += '?' + q.substring(1);
    }

    t += URI.decodeQuery(uri.hash(), true);
    return t;
  };

  // resolving relative and absolute URLs
  p.absoluteTo = function(base) {
    var resolved = this.clone();
    var properties = ['protocol', 'username', 'password', 'hostname', 'port'];
    var basedir, i, p;

    if (this._parts.urn) {
      throw new Error('URNs do not have any generally defined hierarchical components');
    }

    if (!(base instanceof URI)) {
      base = new URI(base);
    }

    if (resolved._parts.protocol) {
      // Directly returns even if this._parts.hostname is empty.
      return resolved;
    } else {
      resolved._parts.protocol = base._parts.protocol;
    }

    if (this._parts.hostname) {
      return resolved;
    }

    for (i = 0; (p = properties[i]); i++) {
      resolved._parts[p] = base._parts[p];
    }

    if (!resolved._parts.path) {
      resolved._parts.path = base._parts.path;
      if (!resolved._parts.query) {
        resolved._parts.query = base._parts.query;
      }
    } else {
      if (resolved._parts.path.substring(-2) === '..') {
        resolved._parts.path += '/';
      }

      if (resolved.path().charAt(0) !== '/') {
        basedir = base.directory();
        basedir = basedir ? basedir : base.path().indexOf('/') === 0 ? '/' : '';
        resolved._parts.path = (basedir ? (basedir + '/') : '') + resolved._parts.path;
        resolved.normalizePath();
      }
    }

    resolved.build();
    return resolved;
  };
  p.relativeTo = function(base) {
    var relative = this.clone().normalize();
    var relativeParts, baseParts, common, relativePath, basePath;

    if (relative._parts.urn) {
      throw new Error('URNs do not have any generally defined hierarchical components');
    }

    base = new URI(base).normalize();
    relativeParts = relative._parts;
    baseParts = base._parts;
    relativePath = relative.path();
    basePath = base.path();

    if (relativePath.charAt(0) !== '/') {
      throw new Error('URI is already relative');
    }

    if (basePath.charAt(0) !== '/') {
      throw new Error('Cannot calculate a URI relative to another relative URI');
    }

    if (relativeParts.protocol === baseParts.protocol) {
      relativeParts.protocol = null;
    }

    if (relativeParts.username !== baseParts.username || relativeParts.password !== baseParts.password) {
      return relative.build();
    }

    if (relativeParts.protocol !== null || relativeParts.username !== null || relativeParts.password !== null) {
      return relative.build();
    }

    if (relativeParts.hostname === baseParts.hostname && relativeParts.port === baseParts.port) {
      relativeParts.hostname = null;
      relativeParts.port = null;
    } else {
      return relative.build();
    }

    if (relativePath === basePath) {
      relativeParts.path = '';
      return relative.build();
    }

    // determine common sub path
    common = URI.commonPath(relativePath, basePath);

    // If the paths have nothing in common, return a relative URL with the absolute path.
    if (!common) {
      return relative.build();
    }

    var parents = baseParts.path
      .substring(common.length)
      .replace(/[^\/]*$/, '')
      .replace(/.*?\//g, '../');

    relativeParts.path = (parents + relativeParts.path.substring(common.length)) || './';

    return relative.build();
  };

  // comparing URIs
  p.equals = function(uri) {
    var one = this.clone();
    var two = new URI(uri);
    var one_map = {};
    var two_map = {};
    var checked = {};
    var one_query, two_query, key;

    one.normalize();
    two.normalize();

    // exact match
    if (one.toString() === two.toString()) {
      return true;
    }

    // extract query string
    one_query = one.query();
    two_query = two.query();
    one.query('');
    two.query('');

    // definitely not equal if not even non-query parts match
    if (one.toString() !== two.toString()) {
      return false;
    }

    // query parameters have the same length, even if they're permuted
    if (one_query.length !== two_query.length) {
      return false;
    }

    one_map = URI.parseQuery(one_query, this._parts.escapeQuerySpace);
    two_map = URI.parseQuery(two_query, this._parts.escapeQuerySpace);

    for (key in one_map) {
      if (hasOwn.call(one_map, key)) {
        if (!isArray(one_map[key])) {
          if (one_map[key] !== two_map[key]) {
            return false;
          }
        } else if (!arraysEqual(one_map[key], two_map[key])) {
          return false;
        }

        checked[key] = true;
      }
    }

    for (key in two_map) {
      if (hasOwn.call(two_map, key)) {
        if (!checked[key]) {
          // two contains a parameter not present in one
          return false;
        }
      }
    }

    return true;
  };

  // state
  p.preventInvalidHostname = function(v) {
    this._parts.preventInvalidHostname = !!v;
    return this;
  };

  p.duplicateQueryParameters = function(v) {
    this._parts.duplicateQueryParameters = !!v;
    return this;
  };

  p.escapeQuerySpace = function(v) {
    this._parts.escapeQuerySpace = !!v;
    return this;
  };

  return URI;
}));


/***/ }),

/***/ "./node_modules/urijs/src/punycode.js":
/*!********************************************!*\
  !*** ./node_modules/urijs/src/punycode.js ***!
  \********************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

/* WEBPACK VAR INJECTION */(function(module, global) {var __WEBPACK_AMD_DEFINE_RESULT__;/*! https://mths.be/punycode v1.4.0 by @mathias */
;(function(root) {

	/** Detect free variables */
	var freeExports = typeof exports == 'object' && exports &&
		!exports.nodeType && exports;
	var freeModule = typeof module == 'object' && module &&
		!module.nodeType && module;
	var freeGlobal = typeof global == 'object' && global;
	if (
		freeGlobal.global === freeGlobal ||
		freeGlobal.window === freeGlobal ||
		freeGlobal.self === freeGlobal
	) {
		root = freeGlobal;
	}

	/**
	 * The `punycode` object.
	 * @name punycode
	 * @type Object
	 */
	var punycode,

	/** Highest positive signed 32-bit float value */
	maxInt = 2147483647, // aka. 0x7FFFFFFF or 2^31-1

	/** Bootstring parameters */
	base = 36,
	tMin = 1,
	tMax = 26,
	skew = 38,
	damp = 700,
	initialBias = 72,
	initialN = 128, // 0x80
	delimiter = '-', // '\x2D'

	/** Regular expressions */
	regexPunycode = /^xn--/,
	regexNonASCII = /[^\x20-\x7E]/, // unprintable ASCII chars + non-ASCII chars
	regexSeparators = /[\x2E\u3002\uFF0E\uFF61]/g, // RFC 3490 separators

	/** Error messages */
	errors = {
		'overflow': 'Overflow: input needs wider integers to process',
		'not-basic': 'Illegal input >= 0x80 (not a basic code point)',
		'invalid-input': 'Invalid input'
	},

	/** Convenience shortcuts */
	baseMinusTMin = base - tMin,
	floor = Math.floor,
	stringFromCharCode = String.fromCharCode,

	/** Temporary variable */
	key;

	/*--------------------------------------------------------------------------*/

	/**
	 * A generic error utility function.
	 * @private
	 * @param {String} type The error type.
	 * @returns {Error} Throws a `RangeError` with the applicable error message.
	 */
	function error(type) {
		throw new RangeError(errors[type]);
	}

	/**
	 * A generic `Array#map` utility function.
	 * @private
	 * @param {Array} array The array to iterate over.
	 * @param {Function} callback The function that gets called for every array
	 * item.
	 * @returns {Array} A new array of values returned by the callback function.
	 */
	function map(array, fn) {
		var length = array.length;
		var result = [];
		while (length--) {
			result[length] = fn(array[length]);
		}
		return result;
	}

	/**
	 * A simple `Array#map`-like wrapper to work with domain name strings or email
	 * addresses.
	 * @private
	 * @param {String} domain The domain name or email address.
	 * @param {Function} callback The function that gets called for every
	 * character.
	 * @returns {Array} A new string of characters returned by the callback
	 * function.
	 */
	function mapDomain(string, fn) {
		var parts = string.split('@');
		var result = '';
		if (parts.length > 1) {
			// In email addresses, only the domain name should be punycoded. Leave
			// the local part (i.e. everything up to `@`) intact.
			result = parts[0] + '@';
			string = parts[1];
		}
		// Avoid `split(regex)` for IE8 compatibility. See #17.
		string = string.replace(regexSeparators, '\x2E');
		var labels = string.split('.');
		var encoded = map(labels, fn).join('.');
		return result + encoded;
	}

	/**
	 * Creates an array containing the numeric code points of each Unicode
	 * character in the string. While JavaScript uses UCS-2 internally,
	 * this function will convert a pair of surrogate halves (each of which
	 * UCS-2 exposes as separate characters) into a single code point,
	 * matching UTF-16.
	 * @see `punycode.ucs2.encode`
	 * @see <https://mathiasbynens.be/notes/javascript-encoding>
	 * @memberOf punycode.ucs2
	 * @name decode
	 * @param {String} string The Unicode input string (UCS-2).
	 * @returns {Array} The new array of code points.
	 */
	function ucs2decode(string) {
		var output = [],
		    counter = 0,
		    length = string.length,
		    value,
		    extra;
		while (counter < length) {
			value = string.charCodeAt(counter++);
			if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
				// high surrogate, and there is a next character
				extra = string.charCodeAt(counter++);
				if ((extra & 0xFC00) == 0xDC00) { // low surrogate
					output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
				} else {
					// unmatched surrogate; only append this code unit, in case the next
					// code unit is the high surrogate of a surrogate pair
					output.push(value);
					counter--;
				}
			} else {
				output.push(value);
			}
		}
		return output;
	}

	/**
	 * Creates a string based on an array of numeric code points.
	 * @see `punycode.ucs2.decode`
	 * @memberOf punycode.ucs2
	 * @name encode
	 * @param {Array} codePoints The array of numeric code points.
	 * @returns {String} The new Unicode string (UCS-2).
	 */
	function ucs2encode(array) {
		return map(array, function(value) {
			var output = '';
			if (value > 0xFFFF) {
				value -= 0x10000;
				output += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800);
				value = 0xDC00 | value & 0x3FF;
			}
			output += stringFromCharCode(value);
			return output;
		}).join('');
	}

	/**
	 * Converts a basic code point into a digit/integer.
	 * @see `digitToBasic()`
	 * @private
	 * @param {Number} codePoint The basic numeric code point value.
	 * @returns {Number} The numeric value of a basic code point (for use in
	 * representing integers) in the range `0` to `base - 1`, or `base` if
	 * the code point does not represent a value.
	 */
	function basicToDigit(codePoint) {
		if (codePoint - 48 < 10) {
			return codePoint - 22;
		}
		if (codePoint - 65 < 26) {
			return codePoint - 65;
		}
		if (codePoint - 97 < 26) {
			return codePoint - 97;
		}
		return base;
	}

	/**
	 * Converts a digit/integer into a basic code point.
	 * @see `basicToDigit()`
	 * @private
	 * @param {Number} digit The numeric value of a basic code point.
	 * @returns {Number} The basic code point whose value (when used for
	 * representing integers) is `digit`, which needs to be in the range
	 * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is
	 * used; else, the lowercase form is used. The behavior is undefined
	 * if `flag` is non-zero and `digit` has no uppercase form.
	 */
	function digitToBasic(digit, flag) {
		//  0..25 map to ASCII a..z or A..Z
		// 26..35 map to ASCII 0..9
		return digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5);
	}

	/**
	 * Bias adaptation function as per section 3.4 of RFC 3492.
	 * https://tools.ietf.org/html/rfc3492#section-3.4
	 * @private
	 */
	function adapt(delta, numPoints, firstTime) {
		var k = 0;
		delta = firstTime ? floor(delta / damp) : delta >> 1;
		delta += floor(delta / numPoints);
		for (/* no initialization */; delta > baseMinusTMin * tMax >> 1; k += base) {
			delta = floor(delta / baseMinusTMin);
		}
		return floor(k + (baseMinusTMin + 1) * delta / (delta + skew));
	}

	/**
	 * Converts a Punycode string of ASCII-only symbols to a string of Unicode
	 * symbols.
	 * @memberOf punycode
	 * @param {String} input The Punycode string of ASCII-only symbols.
	 * @returns {String} The resulting string of Unicode symbols.
	 */
	function decode(input) {
		// Don't use UCS-2
		var output = [],
		    inputLength = input.length,
		    out,
		    i = 0,
		    n = initialN,
		    bias = initialBias,
		    basic,
		    j,
		    index,
		    oldi,
		    w,
		    k,
		    digit,
		    t,
		    /** Cached calculation results */
		    baseMinusT;

		// Handle the basic code points: let `basic` be the number of input code
		// points before the last delimiter, or `0` if there is none, then copy
		// the first basic code points to the output.

		basic = input.lastIndexOf(delimiter);
		if (basic < 0) {
			basic = 0;
		}

		for (j = 0; j < basic; ++j) {
			// if it's not a basic code point
			if (input.charCodeAt(j) >= 0x80) {
				error('not-basic');
			}
			output.push(input.charCodeAt(j));
		}

		// Main decoding loop: start just after the last delimiter if any basic code
		// points were copied; start at the beginning otherwise.

		for (index = basic > 0 ? basic + 1 : 0; index < inputLength; /* no final expression */) {

			// `index` is the index of the next character to be consumed.
			// Decode a generalized variable-length integer into `delta`,
			// which gets added to `i`. The overflow checking is easier
			// if we increase `i` as we go, then subtract off its starting
			// value at the end to obtain `delta`.
			for (oldi = i, w = 1, k = base; /* no condition */; k += base) {

				if (index >= inputLength) {
					error('invalid-input');
				}

				digit = basicToDigit(input.charCodeAt(index++));

				if (digit >= base || digit > floor((maxInt - i) / w)) {
					error('overflow');
				}

				i += digit * w;
				t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);

				if (digit < t) {
					break;
				}

				baseMinusT = base - t;
				if (w > floor(maxInt / baseMinusT)) {
					error('overflow');
				}

				w *= baseMinusT;

			}

			out = output.length + 1;
			bias = adapt(i - oldi, out, oldi == 0);

			// `i` was supposed to wrap around from `out` to `0`,
			// incrementing `n` each time, so we'll fix that now:
			if (floor(i / out) > maxInt - n) {
				error('overflow');
			}

			n += floor(i / out);
			i %= out;

			// Insert `n` at position `i` of the output
			output.splice(i++, 0, n);

		}

		return ucs2encode(output);
	}

	/**
	 * Converts a string of Unicode symbols (e.g. a domain name label) to a
	 * Punycode string of ASCII-only symbols.
	 * @memberOf punycode
	 * @param {String} input The string of Unicode symbols.
	 * @returns {String} The resulting Punycode string of ASCII-only symbols.
	 */
	function encode(input) {
		var n,
		    delta,
		    handledCPCount,
		    basicLength,
		    bias,
		    j,
		    m,
		    q,
		    k,
		    t,
		    currentValue,
		    output = [],
		    /** `inputLength` will hold the number of code points in `input`. */
		    inputLength,
		    /** Cached calculation results */
		    handledCPCountPlusOne,
		    baseMinusT,
		    qMinusT;

		// Convert the input in UCS-2 to Unicode
		input = ucs2decode(input);

		// Cache the length
		inputLength = input.length;

		// Initialize the state
		n = initialN;
		delta = 0;
		bias = initialBias;

		// Handle the basic code points
		for (j = 0; j < inputLength; ++j) {
			currentValue = input[j];
			if (currentValue < 0x80) {
				output.push(stringFromCharCode(currentValue));
			}
		}

		handledCPCount = basicLength = output.length;

		// `handledCPCount` is the number of code points that have been handled;
		// `basicLength` is the number of basic code points.

		// Finish the basic string - if it is not empty - with a delimiter
		if (basicLength) {
			output.push(delimiter);
		}

		// Main encoding loop:
		while (handledCPCount < inputLength) {

			// All non-basic code points < n have been handled already. Find the next
			// larger one:
			for (m = maxInt, j = 0; j < inputLength; ++j) {
				currentValue = input[j];
				if (currentValue >= n && currentValue < m) {
					m = currentValue;
				}
			}

			// Increase `delta` enough to advance the decoder's <n,i> state to <m,0>,
			// but guard against overflow
			handledCPCountPlusOne = handledCPCount + 1;
			if (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) {
				error('overflow');
			}

			delta += (m - n) * handledCPCountPlusOne;
			n = m;

			for (j = 0; j < inputLength; ++j) {
				currentValue = input[j];

				if (currentValue < n && ++delta > maxInt) {
					error('overflow');
				}

				if (currentValue == n) {
					// Represent delta as a generalized variable-length integer
					for (q = delta, k = base; /* no condition */; k += base) {
						t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);
						if (q < t) {
							break;
						}
						qMinusT = q - t;
						baseMinusT = base - t;
						output.push(
							stringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0))
						);
						q = floor(qMinusT / baseMinusT);
					}

					output.push(stringFromCharCode(digitToBasic(q, 0)));
					bias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength);
					delta = 0;
					++handledCPCount;
				}
			}

			++delta;
			++n;

		}
		return output.join('');
	}

	/**
	 * Converts a Punycode string representing a domain name or an email address
	 * to Unicode. Only the Punycoded parts of the input will be converted, i.e.
	 * it doesn't matter if you call it on a string that has already been
	 * converted to Unicode.
	 * @memberOf punycode
	 * @param {String} input The Punycoded domain name or email address to
	 * convert to Unicode.
	 * @returns {String} The Unicode representation of the given Punycode
	 * string.
	 */
	function toUnicode(input) {
		return mapDomain(input, function(string) {
			return regexPunycode.test(string)
				? decode(string.slice(4).toLowerCase())
				: string;
		});
	}

	/**
	 * Converts a Unicode string representing a domain name or an email address to
	 * Punycode. Only the non-ASCII parts of the domain name will be converted,
	 * i.e. it doesn't matter if you call it with a domain that's already in
	 * ASCII.
	 * @memberOf punycode
	 * @param {String} input The domain name or email address to convert, as a
	 * Unicode string.
	 * @returns {String} The Punycode representation of the given domain name or
	 * email address.
	 */
	function toASCII(input) {
		return mapDomain(input, function(string) {
			return regexNonASCII.test(string)
				? 'xn--' + encode(string)
				: string;
		});
	}

	/*--------------------------------------------------------------------------*/

	/** Define the public API */
	punycode = {
		/**
		 * A string representing the current Punycode.js version number.
		 * @memberOf punycode
		 * @type String
		 */
		'version': '1.3.2',
		/**
		 * An object of methods to convert from JavaScript's internal character
		 * representation (UCS-2) to Unicode code points, and back.
		 * @see <https://mathiasbynens.be/notes/javascript-encoding>
		 * @memberOf punycode
		 * @type Object
		 */
		'ucs2': {
			'decode': ucs2decode,
			'encode': ucs2encode
		},
		'decode': decode,
		'encode': encode,
		'toASCII': toASCII,
		'toUnicode': toUnicode
	};

	/** Expose `punycode` */
	// Some AMD build optimizers, like r.js, check for specific condition patterns
	// like the following:
	if (
		true
	) {
		!(__WEBPACK_AMD_DEFINE_RESULT__ = (function() {
			return punycode;
		}).call(exports, __webpack_require__, exports, module),
				__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
	} else {}

}(this));

/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(/*! ./../../webpack/buildin/module.js */ "./node_modules/webpack/buildin/module.js")(module), __webpack_require__(/*! ./../../webpack/buildin/global.js */ "./node_modules/webpack/buildin/global.js")))

/***/ }),

/***/ "./node_modules/webpack/buildin/global.js":
/*!***********************************!*\
  !*** (webpack)/buildin/global.js ***!
  \***********************************/
/*! no static exports found */
/***/ (function(module, exports) {

var g;

// This works in non-strict mode
g = (function() {
	return this;
})();

try {
	// This works if eval is allowed (see CSP)
	g = g || Function("return this")() || (1, eval)("this");
} catch (e) {
	// This works if the window reference is available
	if (typeof window === "object") g = window;
}

// g can still be undefined, but nothing to do about it...
// We return undefined, instead of nothing here, so it's
// easier to handle this case. if(!global) { ...}

module.exports = g;


/***/ }),

/***/ "./node_modules/webpack/buildin/module.js":
/*!***********************************!*\
  !*** (webpack)/buildin/module.js ***!
  \***********************************/
/*! no static exports found */
/***/ (function(module, exports) {

module.exports = function(module) {
	if (!module.webpackPolyfill) {
		module.deprecate = function() {};
		module.paths = [];
		// module.parent = undefined by default
		if (!module.children) module.children = [];
		Object.defineProperty(module, "loaded", {
			enumerable: true,
			get: function() {
				return module.l;
			}
		});
		Object.defineProperty(module, "id", {
			enumerable: true,
			get: function() {
				return module.i;
			}
		});
		module.webpackPolyfill = 1;
	}
	return module;
};


/***/ }),

/***/ "./node_modules/xss/dist/xss.js":
/*!**************************************!*\
  !*** ./node_modules/xss/dist/xss.js ***!
  \**************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var require;var require;(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return require(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
/**
 * default settings
 *
 * @author Zongmin Lei<leizongmin@gmail.com>
 */

var FilterCSS = require("cssfilter").FilterCSS;
var getDefaultCSSWhiteList = require("cssfilter").getDefaultWhiteList;
var _ = require("./util");

function getDefaultWhiteList() {
  return {
    a: ["target", "href", "title"],
    abbr: ["title"],
    address: [],
    area: ["shape", "coords", "href", "alt"],
    article: [],
    aside: [],
    audio: ["autoplay", "controls", "loop", "preload", "src"],
    b: [],
    bdi: ["dir"],
    bdo: ["dir"],
    big: [],
    blockquote: ["cite"],
    br: [],
    caption: [],
    center: [],
    cite: [],
    code: [],
    col: ["align", "valign", "span", "width"],
    colgroup: ["align", "valign", "span", "width"],
    dd: [],
    del: ["datetime"],
    details: ["open"],
    div: [],
    dl: [],
    dt: [],
    em: [],
    font: ["color", "size", "face"],
    footer: [],
    h1: [],
    h2: [],
    h3: [],
    h4: [],
    h5: [],
    h6: [],
    header: [],
    hr: [],
    i: [],
    img: ["src", "alt", "title", "width", "height"],
    ins: ["datetime"],
    li: [],
    mark: [],
    nav: [],
    ol: [],
    p: [],
    pre: [],
    s: [],
    section: [],
    small: [],
    span: [],
    sub: [],
    sup: [],
    strong: [],
    table: ["width", "border", "align", "valign"],
    tbody: ["align", "valign"],
    td: ["width", "rowspan", "colspan", "align", "valign"],
    tfoot: ["align", "valign"],
    th: ["width", "rowspan", "colspan", "align", "valign"],
    thead: ["align", "valign"],
    tr: ["rowspan", "align", "valign"],
    tt: [],
    u: [],
    ul: [],
    video: ["autoplay", "controls", "loop", "preload", "src", "height", "width"]
  };
}

var defaultCSSFilter = new FilterCSS();

/**
 * default onTag function
 *
 * @param {String} tag
 * @param {String} html
 * @param {Object} options
 * @return {String}
 */
function onTag(tag, html, options) {
  // do nothing
}

/**
 * default onIgnoreTag function
 *
 * @param {String} tag
 * @param {String} html
 * @param {Object} options
 * @return {String}
 */
function onIgnoreTag(tag, html, options) {
  // do nothing
}

/**
 * default onTagAttr function
 *
 * @param {String} tag
 * @param {String} name
 * @param {String} value
 * @return {String}
 */
function onTagAttr(tag, name, value) {
  // do nothing
}

/**
 * default onIgnoreTagAttr function
 *
 * @param {String} tag
 * @param {String} name
 * @param {String} value
 * @return {String}
 */
function onIgnoreTagAttr(tag, name, value) {
  // do nothing
}

/**
 * default escapeHtml function
 *
 * @param {String} html
 */
function escapeHtml(html) {
  return html.replace(REGEXP_LT, "&lt;").replace(REGEXP_GT, "&gt;");
}

/**
 * default safeAttrValue function
 *
 * @param {String} tag
 * @param {String} name
 * @param {String} value
 * @param {Object} cssFilter
 * @return {String}
 */
function safeAttrValue(tag, name, value, cssFilter) {
  // unescape attribute value firstly
  value = friendlyAttrValue(value);

  if (name === "href" || name === "src") {
    // filter `href` and `src` attribute
    // only allow the value that starts with `http://` | `https://` | `mailto:` | `/` | `#`
    value = _.trim(value);
    if (value === "#") return "#";
    if (
      !(
        value.substr(0, 7) === "http://" ||
        value.substr(0, 8) === "https://" ||
        value.substr(0, 7) === "mailto:" ||
        value.substr(0, 4) === "tel:" ||
        value[0] === "#" ||
        value[0] === "/"
      )
    ) {
      return "";
    }
  } else if (name === "background") {
    // filter `background` attribute (maybe no use)
    // `javascript:`
    REGEXP_DEFAULT_ON_TAG_ATTR_4.lastIndex = 0;
    if (REGEXP_DEFAULT_ON_TAG_ATTR_4.test(value)) {
      return "";
    }
  } else if (name === "style") {
    // `expression()`
    REGEXP_DEFAULT_ON_TAG_ATTR_7.lastIndex = 0;
    if (REGEXP_DEFAULT_ON_TAG_ATTR_7.test(value)) {
      return "";
    }
    // `url()`
    REGEXP_DEFAULT_ON_TAG_ATTR_8.lastIndex = 0;
    if (REGEXP_DEFAULT_ON_TAG_ATTR_8.test(value)) {
      REGEXP_DEFAULT_ON_TAG_ATTR_4.lastIndex = 0;
      if (REGEXP_DEFAULT_ON_TAG_ATTR_4.test(value)) {
        return "";
      }
    }
    if (cssFilter !== false) {
      cssFilter = cssFilter || defaultCSSFilter;
      value = cssFilter.process(value);
    }
  }

  // escape `<>"` before returns
  value = escapeAttrValue(value);
  return value;
}

// RegExp list
var REGEXP_LT = /</g;
var REGEXP_GT = />/g;
var REGEXP_QUOTE = /"/g;
var REGEXP_QUOTE_2 = /&quot;/g;
var REGEXP_ATTR_VALUE_1 = /&#([a-zA-Z0-9]*);?/gim;
var REGEXP_ATTR_VALUE_COLON = /&colon;?/gim;
var REGEXP_ATTR_VALUE_NEWLINE = /&newline;?/gim;
var REGEXP_DEFAULT_ON_TAG_ATTR_3 = /\/\*|\*\//gm;
var REGEXP_DEFAULT_ON_TAG_ATTR_4 = /((j\s*a\s*v\s*a|v\s*b|l\s*i\s*v\s*e)\s*s\s*c\s*r\s*i\s*p\s*t\s*|m\s*o\s*c\s*h\s*a)\:/gi;
var REGEXP_DEFAULT_ON_TAG_ATTR_5 = /^[\s"'`]*(d\s*a\s*t\s*a\s*)\:/gi;
var REGEXP_DEFAULT_ON_TAG_ATTR_6 = /^[\s"'`]*(d\s*a\s*t\s*a\s*)\:\s*image\//gi;
var REGEXP_DEFAULT_ON_TAG_ATTR_7 = /e\s*x\s*p\s*r\s*e\s*s\s*s\s*i\s*o\s*n\s*\(.*/gi;
var REGEXP_DEFAULT_ON_TAG_ATTR_8 = /u\s*r\s*l\s*\(.*/gi;

/**
 * escape doube quote
 *
 * @param {String} str
 * @return {String} str
 */
function escapeQuote(str) {
  return str.replace(REGEXP_QUOTE, "&quot;");
}

/**
 * unescape double quote
 *
 * @param {String} str
 * @return {String} str
 */
function unescapeQuote(str) {
  return str.replace(REGEXP_QUOTE_2, '"');
}

/**
 * escape html entities
 *
 * @param {String} str
 * @return {String}
 */
function escapeHtmlEntities(str) {
  return str.replace(REGEXP_ATTR_VALUE_1, function replaceUnicode(str, code) {
    return code[0] === "x" || code[0] === "X"
      ? String.fromCharCode(parseInt(code.substr(1), 16))
      : String.fromCharCode(parseInt(code, 10));
  });
}

/**
 * escape html5 new danger entities
 *
 * @param {String} str
 * @return {String}
 */
function escapeDangerHtml5Entities(str) {
  return str
    .replace(REGEXP_ATTR_VALUE_COLON, ":")
    .replace(REGEXP_ATTR_VALUE_NEWLINE, " ");
}

/**
 * clear nonprintable characters
 *
 * @param {String} str
 * @return {String}
 */
function clearNonPrintableCharacter(str) {
  var str2 = "";
  for (var i = 0, len = str.length; i < len; i++) {
    str2 += str.charCodeAt(i) < 32 ? " " : str.charAt(i);
  }
  return _.trim(str2);
}

/**
 * get friendly attribute value
 *
 * @param {String} str
 * @return {String}
 */
function friendlyAttrValue(str) {
  str = unescapeQuote(str);
  str = escapeHtmlEntities(str);
  str = escapeDangerHtml5Entities(str);
  str = clearNonPrintableCharacter(str);
  return str;
}

/**
 * unescape attribute value
 *
 * @param {String} str
 * @return {String}
 */
function escapeAttrValue(str) {
  str = escapeQuote(str);
  str = escapeHtml(str);
  return str;
}

/**
 * `onIgnoreTag` function for removing all the tags that are not in whitelist
 */
function onIgnoreTagStripAll() {
  return "";
}

/**
 * remove tag body
 * specify a `tags` list, if the tag is not in the `tags` list then process by the specify function (optional)
 *
 * @param {array} tags
 * @param {function} next
 */
function StripTagBody(tags, next) {
  if (typeof next !== "function") {
    next = function() {};
  }

  var isRemoveAllTag = !Array.isArray(tags);
  function isRemoveTag(tag) {
    if (isRemoveAllTag) return true;
    return _.indexOf(tags, tag) !== -1;
  }

  var removeList = [];
  var posStart = false;

  return {
    onIgnoreTag: function(tag, html, options) {
      if (isRemoveTag(tag)) {
        if (options.isClosing) {
          var ret = "[/removed]";
          var end = options.position + ret.length;
          removeList.push([
            posStart !== false ? posStart : options.position,
            end
          ]);
          posStart = false;
          return ret;
        } else {
          if (!posStart) {
            posStart = options.position;
          }
          return "[removed]";
        }
      } else {
        return next(tag, html, options);
      }
    },
    remove: function(html) {
      var rethtml = "";
      var lastPos = 0;
      _.forEach(removeList, function(pos) {
        rethtml += html.slice(lastPos, pos[0]);
        lastPos = pos[1];
      });
      rethtml += html.slice(lastPos);
      return rethtml;
    }
  };
}

/**
 * remove html comments
 *
 * @param {String} html
 * @return {String}
 */
function stripCommentTag(html) {
  return html.replace(STRIP_COMMENT_TAG_REGEXP, "");
}
var STRIP_COMMENT_TAG_REGEXP = /<!--[\s\S]*?-->/g;

/**
 * remove invisible characters
 *
 * @param {String} html
 * @return {String}
 */
function stripBlankChar(html) {
  var chars = html.split("");
  chars = chars.filter(function(char) {
    var c = char.charCodeAt(0);
    if (c === 127) return false;
    if (c <= 31) {
      if (c === 10 || c === 13) return true;
      return false;
    }
    return true;
  });
  return chars.join("");
}

exports.whiteList = getDefaultWhiteList();
exports.getDefaultWhiteList = getDefaultWhiteList;
exports.onTag = onTag;
exports.onIgnoreTag = onIgnoreTag;
exports.onTagAttr = onTagAttr;
exports.onIgnoreTagAttr = onIgnoreTagAttr;
exports.safeAttrValue = safeAttrValue;
exports.escapeHtml = escapeHtml;
exports.escapeQuote = escapeQuote;
exports.unescapeQuote = unescapeQuote;
exports.escapeHtmlEntities = escapeHtmlEntities;
exports.escapeDangerHtml5Entities = escapeDangerHtml5Entities;
exports.clearNonPrintableCharacter = clearNonPrintableCharacter;
exports.friendlyAttrValue = friendlyAttrValue;
exports.escapeAttrValue = escapeAttrValue;
exports.onIgnoreTagStripAll = onIgnoreTagStripAll;
exports.StripTagBody = StripTagBody;
exports.stripCommentTag = stripCommentTag;
exports.stripBlankChar = stripBlankChar;
exports.cssFilter = defaultCSSFilter;
exports.getDefaultCSSWhiteList = getDefaultCSSWhiteList;

},{"./util":4,"cssfilter":8}],2:[function(require,module,exports){
/**
 * xss
 *
 * @author Zongmin Lei<leizongmin@gmail.com>
 */

var DEFAULT = require("./default");
var parser = require("./parser");
var FilterXSS = require("./xss");

/**
 * filter xss function
 *
 * @param {String} html
 * @param {Object} options { whiteList, onTag, onTagAttr, onIgnoreTag, onIgnoreTagAttr, safeAttrValue, escapeHtml }
 * @return {String}
 */
function filterXSS(html, options) {
  var xss = new FilterXSS(options);
  return xss.process(html);
}

exports = module.exports = filterXSS;
exports.FilterXSS = FilterXSS;
for (var i in DEFAULT) exports[i] = DEFAULT[i];
for (var i in parser) exports[i] = parser[i];

// using `xss` on the browser, output `filterXSS` to the globals
if (typeof window !== "undefined") {
  window.filterXSS = module.exports;
}

},{"./default":1,"./parser":3,"./xss":5}],3:[function(require,module,exports){
/**
 * Simple HTML Parser
 *
 * @author Zongmin Lei<leizongmin@gmail.com>
 */

var _ = require("./util");

/**
 * get tag name
 *
 * @param {String} html e.g. '<a hef="#">'
 * @return {String}
 */
function getTagName(html) {
  var i = _.spaceIndex(html);
  if (i === -1) {
    var tagName = html.slice(1, -1);
  } else {
    var tagName = html.slice(1, i + 1);
  }
  tagName = _.trim(tagName).toLowerCase();
  if (tagName.slice(0, 1) === "/") tagName = tagName.slice(1);
  if (tagName.slice(-1) === "/") tagName = tagName.slice(0, -1);
  return tagName;
}

/**
 * is close tag?
 *
 * @param {String} html 如：'<a hef="#">'
 * @return {Boolean}
 */
function isClosing(html) {
  return html.slice(0, 2) === "</";
}

/**
 * parse input html and returns processed html
 *
 * @param {String} html
 * @param {Function} onTag e.g. function (sourcePosition, position, tag, html, isClosing)
 * @param {Function} escapeHtml
 * @return {String}
 */
function parseTag(html, onTag, escapeHtml) {
  "user strict";

  var rethtml = "";
  var lastPos = 0;
  var tagStart = false;
  var quoteStart = false;
  var currentPos = 0;
  var len = html.length;
  var currentTagName = "";
  var currentHtml = "";

  for (currentPos = 0; currentPos < len; currentPos++) {
    var c = html.charAt(currentPos);
    if (tagStart === false) {
      if (c === "<") {
        tagStart = currentPos;
        continue;
      }
    } else {
      if (quoteStart === false) {
        if (c === "<") {
          rethtml += escapeHtml(html.slice(lastPos, currentPos));
          tagStart = currentPos;
          lastPos = currentPos;
          continue;
        }
        if (c === ">") {
          rethtml += escapeHtml(html.slice(lastPos, tagStart));
          currentHtml = html.slice(tagStart, currentPos + 1);
          currentTagName = getTagName(currentHtml);
          rethtml += onTag(
            tagStart,
            rethtml.length,
            currentTagName,
            currentHtml,
            isClosing(currentHtml)
          );
          lastPos = currentPos + 1;
          tagStart = false;
          continue;
        }
        if ((c === '"' || c === "'") && html.charAt(currentPos - 1) === "=") {
          quoteStart = c;
          continue;
        }
      } else {
        if (c === quoteStart) {
          quoteStart = false;
          continue;
        }
      }
    }
  }
  if (lastPos < html.length) {
    rethtml += escapeHtml(html.substr(lastPos));
  }

  return rethtml;
}

var REGEXP_ILLEGAL_ATTR_NAME = /[^a-zA-Z0-9_:\.\-]/gim;

/**
 * parse input attributes and returns processed attributes
 *
 * @param {String} html e.g. `href="#" target="_blank"`
 * @param {Function} onAttr e.g. `function (name, value)`
 * @return {String}
 */
function parseAttr(html, onAttr) {
  "user strict";

  var lastPos = 0;
  var retAttrs = [];
  var tmpName = false;
  var len = html.length;

  function addAttr(name, value) {
    name = _.trim(name);
    name = name.replace(REGEXP_ILLEGAL_ATTR_NAME, "").toLowerCase();
    if (name.length < 1) return;
    var ret = onAttr(name, value || "");
    if (ret) retAttrs.push(ret);
  }

  // 逐个分析字符
  for (var i = 0; i < len; i++) {
    var c = html.charAt(i);
    var v, j;
    if (tmpName === false && c === "=") {
      tmpName = html.slice(lastPos, i);
      lastPos = i + 1;
      continue;
    }
    if (tmpName !== false) {
      if (
        i === lastPos &&
        (c === '"' || c === "'") &&
        html.charAt(i - 1) === "="
      ) {
        j = html.indexOf(c, i + 1);
        if (j === -1) {
          break;
        } else {
          v = _.trim(html.slice(lastPos + 1, j));
          addAttr(tmpName, v);
          tmpName = false;
          i = j;
          lastPos = i + 1;
          continue;
        }
      }
    }
    if (/\s|\n|\t/.test(c)) {
      html = html.replace(/\s|\n|\t/g, " ");
      if (tmpName === false) {
        j = findNextEqual(html, i);
        if (j === -1) {
          v = _.trim(html.slice(lastPos, i));
          addAttr(v);
          tmpName = false;
          lastPos = i + 1;
          continue;
        } else {
          i = j - 1;
          continue;
        }
      } else {
        j = findBeforeEqual(html, i - 1);
        if (j === -1) {
          v = _.trim(html.slice(lastPos, i));
          v = stripQuoteWrap(v);
          addAttr(tmpName, v);
          tmpName = false;
          lastPos = i + 1;
          continue;
        } else {
          continue;
        }
      }
    }
  }

  if (lastPos < html.length) {
    if (tmpName === false) {
      addAttr(html.slice(lastPos));
    } else {
      addAttr(tmpName, stripQuoteWrap(_.trim(html.slice(lastPos))));
    }
  }

  return _.trim(retAttrs.join(" "));
}

function findNextEqual(str, i) {
  for (; i < str.length; i++) {
    var c = str[i];
    if (c === " ") continue;
    if (c === "=") return i;
    return -1;
  }
}

function findBeforeEqual(str, i) {
  for (; i > 0; i--) {
    var c = str[i];
    if (c === " ") continue;
    if (c === "=") return i;
    return -1;
  }
}

function isQuoteWrapString(text) {
  if (
    (text[0] === '"' && text[text.length - 1] === '"') ||
    (text[0] === "'" && text[text.length - 1] === "'")
  ) {
    return true;
  } else {
    return false;
  }
}

function stripQuoteWrap(text) {
  if (isQuoteWrapString(text)) {
    return text.substr(1, text.length - 2);
  } else {
    return text;
  }
}

exports.parseTag = parseTag;
exports.parseAttr = parseAttr;

},{"./util":4}],4:[function(require,module,exports){
module.exports = {
  indexOf: function(arr, item) {
    var i, j;
    if (Array.prototype.indexOf) {
      return arr.indexOf(item);
    }
    for (i = 0, j = arr.length; i < j; i++) {
      if (arr[i] === item) {
        return i;
      }
    }
    return -1;
  },
  forEach: function(arr, fn, scope) {
    var i, j;
    if (Array.prototype.forEach) {
      return arr.forEach(fn, scope);
    }
    for (i = 0, j = arr.length; i < j; i++) {
      fn.call(scope, arr[i], i, arr);
    }
  },
  trim: function(str) {
    if (String.prototype.trim) {
      return str.trim();
    }
    return str.replace(/(^\s*)|(\s*$)/g, "");
  },
  spaceIndex: function(str) {
    var reg = /\s|\n|\t/;
    var match = reg.exec(str);
    return match ? match.index : -1;
  }
};

},{}],5:[function(require,module,exports){
/**
 * filter xss
 *
 * @author Zongmin Lei<leizongmin@gmail.com>
 */

var FilterCSS = require("cssfilter").FilterCSS;
var DEFAULT = require("./default");
var parser = require("./parser");
var parseTag = parser.parseTag;
var parseAttr = parser.parseAttr;
var _ = require("./util");

/**
 * returns `true` if the input value is `undefined` or `null`
 *
 * @param {Object} obj
 * @return {Boolean}
 */
function isNull(obj) {
  return obj === undefined || obj === null;
}

/**
 * get attributes for a tag
 *
 * @param {String} html
 * @return {Object}
 *   - {String} html
 *   - {Boolean} closing
 */
function getAttrs(html) {
  var i = _.spaceIndex(html);
  if (i === -1) {
    return {
      html: "",
      closing: html[html.length - 2] === "/"
    };
  }
  html = _.trim(html.slice(i + 1, -1));
  var isClosing = html[html.length - 1] === "/";
  if (isClosing) html = _.trim(html.slice(0, -1));
  return {
    html: html,
    closing: isClosing
  };
}

/**
 * shallow copy
 *
 * @param {Object} obj
 * @return {Object}
 */
function shallowCopyObject(obj) {
  var ret = {};
  for (var i in obj) {
    ret[i] = obj[i];
  }
  return ret;
}

/**
 * FilterXSS class
 *
 * @param {Object} options
 *        whiteList, onTag, onTagAttr, onIgnoreTag,
 *        onIgnoreTagAttr, safeAttrValue, escapeHtml
 *        stripIgnoreTagBody, allowCommentTag, stripBlankChar
 *        css{whiteList, onAttr, onIgnoreAttr} `css=false` means don't use `cssfilter`
 */
function FilterXSS(options) {
  options = shallowCopyObject(options || {});

  if (options.stripIgnoreTag) {
    if (options.onIgnoreTag) {
      console.error(
        'Notes: cannot use these two options "stripIgnoreTag" and "onIgnoreTag" at the same time'
      );
    }
    options.onIgnoreTag = DEFAULT.onIgnoreTagStripAll;
  }

  options.whiteList = options.whiteList || DEFAULT.whiteList;
  options.onTag = options.onTag || DEFAULT.onTag;
  options.onTagAttr = options.onTagAttr || DEFAULT.onTagAttr;
  options.onIgnoreTag = options.onIgnoreTag || DEFAULT.onIgnoreTag;
  options.onIgnoreTagAttr = options.onIgnoreTagAttr || DEFAULT.onIgnoreTagAttr;
  options.safeAttrValue = options.safeAttrValue || DEFAULT.safeAttrValue;
  options.escapeHtml = options.escapeHtml || DEFAULT.escapeHtml;
  this.options = options;

  if (options.css === false) {
    this.cssFilter = false;
  } else {
    options.css = options.css || {};
    this.cssFilter = new FilterCSS(options.css);
  }
}

/**
 * start process and returns result
 *
 * @param {String} html
 * @return {String}
 */
FilterXSS.prototype.process = function(html) {
  // compatible with the input
  html = html || "";
  html = html.toString();
  if (!html) return "";

  var me = this;
  var options = me.options;
  var whiteList = options.whiteList;
  var onTag = options.onTag;
  var onIgnoreTag = options.onIgnoreTag;
  var onTagAttr = options.onTagAttr;
  var onIgnoreTagAttr = options.onIgnoreTagAttr;
  var safeAttrValue = options.safeAttrValue;
  var escapeHtml = options.escapeHtml;
  var cssFilter = me.cssFilter;

  // remove invisible characters
  if (options.stripBlankChar) {
    html = DEFAULT.stripBlankChar(html);
  }

  // remove html comments
  if (!options.allowCommentTag) {
    html = DEFAULT.stripCommentTag(html);
  }

  // if enable stripIgnoreTagBody
  var stripIgnoreTagBody = false;
  if (options.stripIgnoreTagBody) {
    var stripIgnoreTagBody = DEFAULT.StripTagBody(
      options.stripIgnoreTagBody,
      onIgnoreTag
    );
    onIgnoreTag = stripIgnoreTagBody.onIgnoreTag;
  }

  var retHtml = parseTag(
    html,
    function(sourcePosition, position, tag, html, isClosing) {
      var info = {
        sourcePosition: sourcePosition,
        position: position,
        isClosing: isClosing,
        isWhite: whiteList.hasOwnProperty(tag)
      };

      // call `onTag()`
      var ret = onTag(tag, html, info);
      if (!isNull(ret)) return ret;

      if (info.isWhite) {
        if (info.isClosing) {
          return "</" + tag + ">";
        }

        var attrs = getAttrs(html);
        var whiteAttrList = whiteList[tag];
        var attrsHtml = parseAttr(attrs.html, function(name, value) {
          // call `onTagAttr()`
          var isWhiteAttr = _.indexOf(whiteAttrList, name) !== -1;
          var ret = onTagAttr(tag, name, value, isWhiteAttr);
          if (!isNull(ret)) return ret;

          if (isWhiteAttr) {
            // call `safeAttrValue()`
            value = safeAttrValue(tag, name, value, cssFilter);
            if (value) {
              return name + '="' + value + '"';
            } else {
              return name;
            }
          } else {
            // call `onIgnoreTagAttr()`
            var ret = onIgnoreTagAttr(tag, name, value, isWhiteAttr);
            if (!isNull(ret)) return ret;
            return;
          }
        });

        // build new tag html
        var html = "<" + tag;
        if (attrsHtml) html += " " + attrsHtml;
        if (attrs.closing) html += " /";
        html += ">";
        return html;
      } else {
        // call `onIgnoreTag()`
        var ret = onIgnoreTag(tag, html, info);
        if (!isNull(ret)) return ret;
        return escapeHtml(html);
      }
    },
    escapeHtml
  );

  // if enable stripIgnoreTagBody
  if (stripIgnoreTagBody) {
    retHtml = stripIgnoreTagBody.remove(retHtml);
  }

  return retHtml;
};

module.exports = FilterXSS;

},{"./default":1,"./parser":3,"./util":4,"cssfilter":8}],6:[function(require,module,exports){
/**
 * cssfilter
 *
 * @author 老雷<leizongmin@gmail.com>
 */

var DEFAULT = require('./default');
var parseStyle = require('./parser');
var _ = require('./util');


/**
 * 返回值是否为空
 *
 * @param {Object} obj
 * @return {Boolean}
 */
function isNull (obj) {
  return (obj === undefined || obj === null);
}

/**
 * 浅拷贝对象
 *
 * @param {Object} obj
 * @return {Object}
 */
function shallowCopyObject (obj) {
  var ret = {};
  for (var i in obj) {
    ret[i] = obj[i];
  }
  return ret;
}

/**
 * 创建CSS过滤器
 *
 * @param {Object} options
 *   - {Object} whiteList
 *   - {Function} onAttr
 *   - {Function} onIgnoreAttr
 *   - {Function} safeAttrValue
 */
function FilterCSS (options) {
  options = shallowCopyObject(options || {});
  options.whiteList = options.whiteList || DEFAULT.whiteList;
  options.onAttr = options.onAttr || DEFAULT.onAttr;
  options.onIgnoreAttr = options.onIgnoreAttr || DEFAULT.onIgnoreAttr;
  options.safeAttrValue = options.safeAttrValue || DEFAULT.safeAttrValue;
  this.options = options;
}

FilterCSS.prototype.process = function (css) {
  // 兼容各种奇葩输入
  css = css || '';
  css = css.toString();
  if (!css) return '';

  var me = this;
  var options = me.options;
  var whiteList = options.whiteList;
  var onAttr = options.onAttr;
  var onIgnoreAttr = options.onIgnoreAttr;
  var safeAttrValue = options.safeAttrValue;

  var retCSS = parseStyle(css, function (sourcePosition, position, name, value, source) {

    var check = whiteList[name];
    var isWhite = false;
    if (check === true) isWhite = check;
    else if (typeof check === 'function') isWhite = check(value);
    else if (check instanceof RegExp) isWhite = check.test(value);
    if (isWhite !== true) isWhite = false;

    // 如果过滤后 value 为空则直接忽略
    value = safeAttrValue(name, value);
    if (!value) return;

    var opts = {
      position: position,
      sourcePosition: sourcePosition,
      source: source,
      isWhite: isWhite
    };

    if (isWhite) {

      var ret = onAttr(name, value, opts);
      if (isNull(ret)) {
        return name + ':' + value;
      } else {
        return ret;
      }

    } else {

      var ret = onIgnoreAttr(name, value, opts);
      if (!isNull(ret)) {
        return ret;
      }

    }
  });

  return retCSS;
};


module.exports = FilterCSS;

},{"./default":7,"./parser":9,"./util":10}],7:[function(require,module,exports){
/**
 * cssfilter
 *
 * @author 老雷<leizongmin@gmail.com>
 */

function getDefaultWhiteList () {
  // 白名单值说明：
  // true: 允许该属性
  // Function: function (val) { } 返回true表示允许该属性，其他值均表示不允许
  // RegExp: regexp.test(val) 返回true表示允许该属性，其他值均表示不允许
  // 除上面列出的值外均表示不允许
  var whiteList = {};

  whiteList['align-content'] = false; // default: auto
  whiteList['align-items'] = false; // default: auto
  whiteList['align-self'] = false; // default: auto
  whiteList['alignment-adjust'] = false; // default: auto
  whiteList['alignment-baseline'] = false; // default: baseline
  whiteList['all'] = false; // default: depending on individual properties
  whiteList['anchor-point'] = false; // default: none
  whiteList['animation'] = false; // default: depending on individual properties
  whiteList['animation-delay'] = false; // default: 0
  whiteList['animation-direction'] = false; // default: normal
  whiteList['animation-duration'] = false; // default: 0
  whiteList['animation-fill-mode'] = false; // default: none
  whiteList['animation-iteration-count'] = false; // default: 1
  whiteList['animation-name'] = false; // default: none
  whiteList['animation-play-state'] = false; // default: running
  whiteList['animation-timing-function'] = false; // default: ease
  whiteList['azimuth'] = false; // default: center
  whiteList['backface-visibility'] = false; // default: visible
  whiteList['background'] = true; // default: depending on individual properties
  whiteList['background-attachment'] = true; // default: scroll
  whiteList['background-clip'] = true; // default: border-box
  whiteList['background-color'] = true; // default: transparent
  whiteList['background-image'] = true; // default: none
  whiteList['background-origin'] = true; // default: padding-box
  whiteList['background-position'] = true; // default: 0% 0%
  whiteList['background-repeat'] = true; // default: repeat
  whiteList['background-size'] = true; // default: auto
  whiteList['baseline-shift'] = false; // default: baseline
  whiteList['binding'] = false; // default: none
  whiteList['bleed'] = false; // default: 6pt
  whiteList['bookmark-label'] = false; // default: content()
  whiteList['bookmark-level'] = false; // default: none
  whiteList['bookmark-state'] = false; // default: open
  whiteList['border'] = true; // default: depending on individual properties
  whiteList['border-bottom'] = true; // default: depending on individual properties
  whiteList['border-bottom-color'] = true; // default: current color
  whiteList['border-bottom-left-radius'] = true; // default: 0
  whiteList['border-bottom-right-radius'] = true; // default: 0
  whiteList['border-bottom-style'] = true; // default: none
  whiteList['border-bottom-width'] = true; // default: medium
  whiteList['border-collapse'] = true; // default: separate
  whiteList['border-color'] = true; // default: depending on individual properties
  whiteList['border-image'] = true; // default: none
  whiteList['border-image-outset'] = true; // default: 0
  whiteList['border-image-repeat'] = true; // default: stretch
  whiteList['border-image-slice'] = true; // default: 100%
  whiteList['border-image-source'] = true; // default: none
  whiteList['border-image-width'] = true; // default: 1
  whiteList['border-left'] = true; // default: depending on individual properties
  whiteList['border-left-color'] = true; // default: current color
  whiteList['border-left-style'] = true; // default: none
  whiteList['border-left-width'] = true; // default: medium
  whiteList['border-radius'] = true; // default: 0
  whiteList['border-right'] = true; // default: depending on individual properties
  whiteList['border-right-color'] = true; // default: current color
  whiteList['border-right-style'] = true; // default: none
  whiteList['border-right-width'] = true; // default: medium
  whiteList['border-spacing'] = true; // default: 0
  whiteList['border-style'] = true; // default: depending on individual properties
  whiteList['border-top'] = true; // default: depending on individual properties
  whiteList['border-top-color'] = true; // default: current color
  whiteList['border-top-left-radius'] = true; // default: 0
  whiteList['border-top-right-radius'] = true; // default: 0
  whiteList['border-top-style'] = true; // default: none
  whiteList['border-top-width'] = true; // default: medium
  whiteList['border-width'] = true; // default: depending on individual properties
  whiteList['bottom'] = false; // default: auto
  whiteList['box-decoration-break'] = true; // default: slice
  whiteList['box-shadow'] = true; // default: none
  whiteList['box-sizing'] = true; // default: content-box
  whiteList['box-snap'] = true; // default: none
  whiteList['box-suppress'] = true; // default: show
  whiteList['break-after'] = true; // default: auto
  whiteList['break-before'] = true; // default: auto
  whiteList['break-inside'] = true; // default: auto
  whiteList['caption-side'] = false; // default: top
  whiteList['chains'] = false; // default: none
  whiteList['clear'] = true; // default: none
  whiteList['clip'] = false; // default: auto
  whiteList['clip-path'] = false; // default: none
  whiteList['clip-rule'] = false; // default: nonzero
  whiteList['color'] = true; // default: implementation dependent
  whiteList['color-interpolation-filters'] = true; // default: auto
  whiteList['column-count'] = false; // default: auto
  whiteList['column-fill'] = false; // default: balance
  whiteList['column-gap'] = false; // default: normal
  whiteList['column-rule'] = false; // default: depending on individual properties
  whiteList['column-rule-color'] = false; // default: current color
  whiteList['column-rule-style'] = false; // default: medium
  whiteList['column-rule-width'] = false; // default: medium
  whiteList['column-span'] = false; // default: none
  whiteList['column-width'] = false; // default: auto
  whiteList['columns'] = false; // default: depending on individual properties
  whiteList['contain'] = false; // default: none
  whiteList['content'] = false; // default: normal
  whiteList['counter-increment'] = false; // default: none
  whiteList['counter-reset'] = false; // default: none
  whiteList['counter-set'] = false; // default: none
  whiteList['crop'] = false; // default: auto
  whiteList['cue'] = false; // default: depending on individual properties
  whiteList['cue-after'] = false; // default: none
  whiteList['cue-before'] = false; // default: none
  whiteList['cursor'] = false; // default: auto
  whiteList['direction'] = false; // default: ltr
  whiteList['display'] = true; // default: depending on individual properties
  whiteList['display-inside'] = true; // default: auto
  whiteList['display-list'] = true; // default: none
  whiteList['display-outside'] = true; // default: inline-level
  whiteList['dominant-baseline'] = false; // default: auto
  whiteList['elevation'] = false; // default: level
  whiteList['empty-cells'] = false; // default: show
  whiteList['filter'] = false; // default: none
  whiteList['flex'] = false; // default: depending on individual properties
  whiteList['flex-basis'] = false; // default: auto
  whiteList['flex-direction'] = false; // default: row
  whiteList['flex-flow'] = false; // default: depending on individual properties
  whiteList['flex-grow'] = false; // default: 0
  whiteList['flex-shrink'] = false; // default: 1
  whiteList['flex-wrap'] = false; // default: nowrap
  whiteList['float'] = false; // default: none
  whiteList['float-offset'] = false; // default: 0 0
  whiteList['flood-color'] = false; // default: black
  whiteList['flood-opacity'] = false; // default: 1
  whiteList['flow-from'] = false; // default: none
  whiteList['flow-into'] = false; // default: none
  whiteList['font'] = true; // default: depending on individual properties
  whiteList['font-family'] = true; // default: implementation dependent
  whiteList['font-feature-settings'] = true; // default: normal
  whiteList['font-kerning'] = true; // default: auto
  whiteList['font-language-override'] = true; // default: normal
  whiteList['font-size'] = true; // default: medium
  whiteList['font-size-adjust'] = true; // default: none
  whiteList['font-stretch'] = true; // default: normal
  whiteList['font-style'] = true; // default: normal
  whiteList['font-synthesis'] = true; // default: weight style
  whiteList['font-variant'] = true; // default: normal
  whiteList['font-variant-alternates'] = true; // default: normal
  whiteList['font-variant-caps'] = true; // default: normal
  whiteList['font-variant-east-asian'] = true; // default: normal
  whiteList['font-variant-ligatures'] = true; // default: normal
  whiteList['font-variant-numeric'] = true; // default: normal
  whiteList['font-variant-position'] = true; // default: normal
  whiteList['font-weight'] = true; // default: normal
  whiteList['grid'] = false; // default: depending on individual properties
  whiteList['grid-area'] = false; // default: depending on individual properties
  whiteList['grid-auto-columns'] = false; // default: auto
  whiteList['grid-auto-flow'] = false; // default: none
  whiteList['grid-auto-rows'] = false; // default: auto
  whiteList['grid-column'] = false; // default: depending on individual properties
  whiteList['grid-column-end'] = false; // default: auto
  whiteList['grid-column-start'] = false; // default: auto
  whiteList['grid-row'] = false; // default: depending on individual properties
  whiteList['grid-row-end'] = false; // default: auto
  whiteList['grid-row-start'] = false; // default: auto
  whiteList['grid-template'] = false; // default: depending on individual properties
  whiteList['grid-template-areas'] = false; // default: none
  whiteList['grid-template-columns'] = false; // default: none
  whiteList['grid-template-rows'] = false; // default: none
  whiteList['hanging-punctuation'] = false; // default: none
  whiteList['height'] = true; // default: auto
  whiteList['hyphens'] = false; // default: manual
  whiteList['icon'] = false; // default: auto
  whiteList['image-orientation'] = false; // default: auto
  whiteList['image-resolution'] = false; // default: normal
  whiteList['ime-mode'] = false; // default: auto
  whiteList['initial-letters'] = false; // default: normal
  whiteList['inline-box-align'] = false; // default: last
  whiteList['justify-content'] = false; // default: auto
  whiteList['justify-items'] = false; // default: auto
  whiteList['justify-self'] = false; // default: auto
  whiteList['left'] = false; // default: auto
  whiteList['letter-spacing'] = true; // default: normal
  whiteList['lighting-color'] = true; // default: white
  whiteList['line-box-contain'] = false; // default: block inline replaced
  whiteList['line-break'] = false; // default: auto
  whiteList['line-grid'] = false; // default: match-parent
  whiteList['line-height'] = false; // default: normal
  whiteList['line-snap'] = false; // default: none
  whiteList['line-stacking'] = false; // default: depending on individual properties
  whiteList['line-stacking-ruby'] = false; // default: exclude-ruby
  whiteList['line-stacking-shift'] = false; // default: consider-shifts
  whiteList['line-stacking-strategy'] = false; // default: inline-line-height
  whiteList['list-style'] = true; // default: depending on individual properties
  whiteList['list-style-image'] = true; // default: none
  whiteList['list-style-position'] = true; // default: outside
  whiteList['list-style-type'] = true; // default: disc
  whiteList['margin'] = true; // default: depending on individual properties
  whiteList['margin-bottom'] = true; // default: 0
  whiteList['margin-left'] = true; // default: 0
  whiteList['margin-right'] = true; // default: 0
  whiteList['margin-top'] = true; // default: 0
  whiteList['marker-offset'] = false; // default: auto
  whiteList['marker-side'] = false; // default: list-item
  whiteList['marks'] = false; // default: none
  whiteList['mask'] = false; // default: border-box
  whiteList['mask-box'] = false; // default: see individual properties
  whiteList['mask-box-outset'] = false; // default: 0
  whiteList['mask-box-repeat'] = false; // default: stretch
  whiteList['mask-box-slice'] = false; // default: 0 fill
  whiteList['mask-box-source'] = false; // default: none
  whiteList['mask-box-width'] = false; // default: auto
  whiteList['mask-clip'] = false; // default: border-box
  whiteList['mask-image'] = false; // default: none
  whiteList['mask-origin'] = false; // default: border-box
  whiteList['mask-position'] = false; // default: center
  whiteList['mask-repeat'] = false; // default: no-repeat
  whiteList['mask-size'] = false; // default: border-box
  whiteList['mask-source-type'] = false; // default: auto
  whiteList['mask-type'] = false; // default: luminance
  whiteList['max-height'] = true; // default: none
  whiteList['max-lines'] = false; // default: none
  whiteList['max-width'] = true; // default: none
  whiteList['min-height'] = true; // default: 0
  whiteList['min-width'] = true; // default: 0
  whiteList['move-to'] = false; // default: normal
  whiteList['nav-down'] = false; // default: auto
  whiteList['nav-index'] = false; // default: auto
  whiteList['nav-left'] = false; // default: auto
  whiteList['nav-right'] = false; // default: auto
  whiteList['nav-up'] = false; // default: auto
  whiteList['object-fit'] = false; // default: fill
  whiteList['object-position'] = false; // default: 50% 50%
  whiteList['opacity'] = false; // default: 1
  whiteList['order'] = false; // default: 0
  whiteList['orphans'] = false; // default: 2
  whiteList['outline'] = false; // default: depending on individual properties
  whiteList['outline-color'] = false; // default: invert
  whiteList['outline-offset'] = false; // default: 0
  whiteList['outline-style'] = false; // default: none
  whiteList['outline-width'] = false; // default: medium
  whiteList['overflow'] = false; // default: depending on individual properties
  whiteList['overflow-wrap'] = false; // default: normal
  whiteList['overflow-x'] = false; // default: visible
  whiteList['overflow-y'] = false; // default: visible
  whiteList['padding'] = true; // default: depending on individual properties
  whiteList['padding-bottom'] = true; // default: 0
  whiteList['padding-left'] = true; // default: 0
  whiteList['padding-right'] = true; // default: 0
  whiteList['padding-top'] = true; // default: 0
  whiteList['page'] = false; // default: auto
  whiteList['page-break-after'] = false; // default: auto
  whiteList['page-break-before'] = false; // default: auto
  whiteList['page-break-inside'] = false; // default: auto
  whiteList['page-policy'] = false; // default: start
  whiteList['pause'] = false; // default: implementation dependent
  whiteList['pause-after'] = false; // default: implementation dependent
  whiteList['pause-before'] = false; // default: implementation dependent
  whiteList['perspective'] = false; // default: none
  whiteList['perspective-origin'] = false; // default: 50% 50%
  whiteList['pitch'] = false; // default: medium
  whiteList['pitch-range'] = false; // default: 50
  whiteList['play-during'] = false; // default: auto
  whiteList['position'] = false; // default: static
  whiteList['presentation-level'] = false; // default: 0
  whiteList['quotes'] = false; // default: text
  whiteList['region-fragment'] = false; // default: auto
  whiteList['resize'] = false; // default: none
  whiteList['rest'] = false; // default: depending on individual properties
  whiteList['rest-after'] = false; // default: none
  whiteList['rest-before'] = false; // default: none
  whiteList['richness'] = false; // default: 50
  whiteList['right'] = false; // default: auto
  whiteList['rotation'] = false; // default: 0
  whiteList['rotation-point'] = false; // default: 50% 50%
  whiteList['ruby-align'] = false; // default: auto
  whiteList['ruby-merge'] = false; // default: separate
  whiteList['ruby-position'] = false; // default: before
  whiteList['shape-image-threshold'] = false; // default: 0.0
  whiteList['shape-outside'] = false; // default: none
  whiteList['shape-margin'] = false; // default: 0
  whiteList['size'] = false; // default: auto
  whiteList['speak'] = false; // default: auto
  whiteList['speak-as'] = false; // default: normal
  whiteList['speak-header'] = false; // default: once
  whiteList['speak-numeral'] = false; // default: continuous
  whiteList['speak-punctuation'] = false; // default: none
  whiteList['speech-rate'] = false; // default: medium
  whiteList['stress'] = false; // default: 50
  whiteList['string-set'] = false; // default: none
  whiteList['tab-size'] = false; // default: 8
  whiteList['table-layout'] = false; // default: auto
  whiteList['text-align'] = true; // default: start
  whiteList['text-align-last'] = true; // default: auto
  whiteList['text-combine-upright'] = true; // default: none
  whiteList['text-decoration'] = true; // default: none
  whiteList['text-decoration-color'] = true; // default: currentColor
  whiteList['text-decoration-line'] = true; // default: none
  whiteList['text-decoration-skip'] = true; // default: objects
  whiteList['text-decoration-style'] = true; // default: solid
  whiteList['text-emphasis'] = true; // default: depending on individual properties
  whiteList['text-emphasis-color'] = true; // default: currentColor
  whiteList['text-emphasis-position'] = true; // default: over right
  whiteList['text-emphasis-style'] = true; // default: none
  whiteList['text-height'] = true; // default: auto
  whiteList['text-indent'] = true; // default: 0
  whiteList['text-justify'] = true; // default: auto
  whiteList['text-orientation'] = true; // default: mixed
  whiteList['text-overflow'] = true; // default: clip
  whiteList['text-shadow'] = true; // default: none
  whiteList['text-space-collapse'] = true; // default: collapse
  whiteList['text-transform'] = true; // default: none
  whiteList['text-underline-position'] = true; // default: auto
  whiteList['text-wrap'] = true; // default: normal
  whiteList['top'] = false; // default: auto
  whiteList['transform'] = false; // default: none
  whiteList['transform-origin'] = false; // default: 50% 50% 0
  whiteList['transform-style'] = false; // default: flat
  whiteList['transition'] = false; // default: depending on individual properties
  whiteList['transition-delay'] = false; // default: 0s
  whiteList['transition-duration'] = false; // default: 0s
  whiteList['transition-property'] = false; // default: all
  whiteList['transition-timing-function'] = false; // default: ease
  whiteList['unicode-bidi'] = false; // default: normal
  whiteList['vertical-align'] = false; // default: baseline
  whiteList['visibility'] = false; // default: visible
  whiteList['voice-balance'] = false; // default: center
  whiteList['voice-duration'] = false; // default: auto
  whiteList['voice-family'] = false; // default: implementation dependent
  whiteList['voice-pitch'] = false; // default: medium
  whiteList['voice-range'] = false; // default: medium
  whiteList['voice-rate'] = false; // default: normal
  whiteList['voice-stress'] = false; // default: normal
  whiteList['voice-volume'] = false; // default: medium
  whiteList['volume'] = false; // default: medium
  whiteList['white-space'] = false; // default: normal
  whiteList['widows'] = false; // default: 2
  whiteList['width'] = true; // default: auto
  whiteList['will-change'] = false; // default: auto
  whiteList['word-break'] = true; // default: normal
  whiteList['word-spacing'] = true; // default: normal
  whiteList['word-wrap'] = true; // default: normal
  whiteList['wrap-flow'] = false; // default: auto
  whiteList['wrap-through'] = false; // default: wrap
  whiteList['writing-mode'] = false; // default: horizontal-tb
  whiteList['z-index'] = false; // default: auto

  return whiteList;
}


/**
 * 匹配到白名单上的一个属性时
 *
 * @param {String} name
 * @param {String} value
 * @param {Object} options
 * @return {String}
 */
function onAttr (name, value, options) {
  // do nothing
}

/**
 * 匹配到不在白名单上的一个属性时
 *
 * @param {String} name
 * @param {String} value
 * @param {Object} options
 * @return {String}
 */
function onIgnoreAttr (name, value, options) {
  // do nothing
}

var REGEXP_URL_JAVASCRIPT = /javascript\s*\:/img;

/**
 * 过滤属性值
 *
 * @param {String} name
 * @param {String} value
 * @return {String}
 */
function safeAttrValue(name, value) {
  if (REGEXP_URL_JAVASCRIPT.test(value)) return '';
  return value;
}


exports.whiteList = getDefaultWhiteList();
exports.getDefaultWhiteList = getDefaultWhiteList;
exports.onAttr = onAttr;
exports.onIgnoreAttr = onIgnoreAttr;
exports.safeAttrValue = safeAttrValue;

},{}],8:[function(require,module,exports){
/**
 * cssfilter
 *
 * @author 老雷<leizongmin@gmail.com>
 */

var DEFAULT = require('./default');
var FilterCSS = require('./css');


/**
 * XSS过滤
 *
 * @param {String} css 要过滤的CSS代码
 * @param {Object} options 选项：whiteList, onAttr, onIgnoreAttr
 * @return {String}
 */
function filterCSS (html, options) {
  var xss = new FilterCSS(options);
  return xss.process(html);
}


// 输出
exports = module.exports = filterCSS;
exports.FilterCSS = FilterCSS;
for (var i in DEFAULT) exports[i] = DEFAULT[i];

// 在浏览器端使用
if (typeof window !== 'undefined') {
  window.filterCSS = module.exports;
}

},{"./css":6,"./default":7}],9:[function(require,module,exports){
/**
 * cssfilter
 *
 * @author 老雷<leizongmin@gmail.com>
 */

var _ = require('./util');


/**
 * 解析style
 *
 * @param {String} css
 * @param {Function} onAttr 处理属性的函数
 *   参数格式： function (sourcePosition, position, name, value, source)
 * @return {String}
 */
function parseStyle (css, onAttr) {
  css = _.trimRight(css);
  if (css[css.length - 1] !== ';') css += ';';
  var cssLength = css.length;
  var isParenthesisOpen = false;
  var lastPos = 0;
  var i = 0;
  var retCSS = '';

  function addNewAttr () {
    // 如果没有正常的闭合圆括号，则直接忽略当前属性
    if (!isParenthesisOpen) {
      var source = _.trim(css.slice(lastPos, i));
      var j = source.indexOf(':');
      if (j !== -1) {
        var name = _.trim(source.slice(0, j));
        var value = _.trim(source.slice(j + 1));
        // 必须有属性名称
        if (name) {
          var ret = onAttr(lastPos, retCSS.length, name, value, source);
          if (ret) retCSS += ret + '; ';
        }
      }
    }
    lastPos = i + 1;
  }

  for (; i < cssLength; i++) {
    var c = css[i];
    if (c === '/' && css[i + 1] === '*') {
      // 备注开始
      var j = css.indexOf('*/', i + 2);
      // 如果没有正常的备注结束，则后面的部分全部跳过
      if (j === -1) break;
      // 直接将当前位置调到备注结尾，并且初始化状态
      i = j + 1;
      lastPos = i + 1;
      isParenthesisOpen = false;
    } else if (c === '(') {
      isParenthesisOpen = true;
    } else if (c === ')') {
      isParenthesisOpen = false;
    } else if (c === ';') {
      if (isParenthesisOpen) {
        // 在圆括号里面，忽略
      } else {
        addNewAttr();
      }
    } else if (c === '\n') {
      addNewAttr();
    }
  }

  return _.trim(retCSS);
}

module.exports = parseStyle;

},{"./util":10}],10:[function(require,module,exports){
module.exports = {
  indexOf: function (arr, item) {
    var i, j;
    if (Array.prototype.indexOf) {
      return arr.indexOf(item);
    }
    for (i = 0, j = arr.length; i < j; i++) {
      if (arr[i] === item) {
        return i;
      }
    }
    return -1;
  },
  forEach: function (arr, fn, scope) {
    var i, j;
    if (Array.prototype.forEach) {
      return arr.forEach(fn, scope);
    }
    for (i = 0, j = arr.length; i < j; i++) {
      fn.call(scope, arr[i], i, arr);
    }
  },
  trim: function (str) {
    if (String.prototype.trim) {
      return str.trim();
    }
    return str.replace(/(^\s*)|(\s*$)/g, '');
  },
  trimRight: function (str) {
    if (String.prototype.trimRight) {
      return str.trimRight();
    }
    return str.replace(/(\s*$)/g, '');
  }
};

},{}]},{},[2]);


/*** EXPORTS FROM exports-loader ***/
exports["filterXSS"] = (filterXSS);
exports["filterCSS"] = (filterCSS);

/***/ }),

/***/ "./src/converse-autocomplete.js":
/*!**************************************!*\
  !*** ./src/converse-autocomplete.js ***!
  \**************************************/
/*! no exports provided */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! @converse/headless/converse-core */ "./src/headless/converse-core.js");
// Converse.js
// http://conversejs.org
//
// Copyright (c) 2013-2018, the Converse.js developers
// Licensed under the Mozilla Public License (MPLv2)
// This plugin started as a fork of Lea Verou's Awesomplete
// https://leaverou.github.io/awesomplete/

const _converse$env = _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_0__["default"].env,
      _ = _converse$env._,
      Backbone = _converse$env.Backbone,
      u = _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_0__["default"].env.utils;
_converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_0__["default"].plugins.add("converse-autocomplete", {
  initialize() {
    const _converse = this._converse;

    _converse.FILTER_CONTAINS = function (text, input) {
      return RegExp(helpers.regExpEscape(input.trim()), "i").test(text);
    };

    _converse.FILTER_STARTSWITH = function (text, input) {
      return RegExp("^" + helpers.regExpEscape(input.trim()), "i").test(text);
    };

    const SORT_BYLENGTH = function SORT_BYLENGTH(a, b) {
      if (a.length !== b.length) {
        return a.length - b.length;
      }

      return a < b ? -1 : 1;
    };

    const ITEM = (text, input) => {
      input = input.trim();
      const element = document.createElement("li");
      element.setAttribute("aria-selected", "false");
      const regex = new RegExp("(" + input + ")", "ig");
      const parts = input ? text.split(regex) : [text];
      parts.forEach(txt => {
        if (input && txt.match(regex)) {
          const match = document.createElement("mark");
          match.textContent = txt;
          element.appendChild(match);
        } else {
          element.appendChild(document.createTextNode(txt));
        }
      });
      return element;
    };

    class AutoComplete {
      constructor(el, config = {}) {
        this.is_opened = false;

        if (u.hasClass('.suggestion-box', el)) {
          this.container = el;
        } else {
          this.container = el.querySelector('.suggestion-box');
        }

        this.input = this.container.querySelector('.suggestion-box__input');
        this.input.setAttribute("autocomplete", "off");
        this.input.setAttribute("aria-autocomplete", "list");
        this.ul = this.container.querySelector('.suggestion-box__results');
        this.status = this.container.querySelector('.suggestion-box__additions');

        _.assignIn(this, {
          'match_current_word': false,
          // Match only the current word, otherwise all input is matched
          'match_on_tab': false,
          // Whether matching should only start when tab's pressed
          'trigger_on_at': false,
          // Whether @ should trigger autocomplete
          'min_chars': 2,
          'max_items': 10,
          'auto_evaluate': true,
          'auto_first': false,
          'data': _.identity,
          'filter': _converse.FILTER_CONTAINS,
          'sort': config.sort === false ? false : SORT_BYLENGTH,
          'item': ITEM
        }, config);

        this.index = -1;
        this.bindEvents();

        if (this.input.hasAttribute("list")) {
          this.list = "#" + this.input.getAttribute("list");
          this.input.removeAttribute("list");
        } else {
          this.list = this.input.getAttribute("data-list") || config.list || [];
        }
      }

      bindEvents() {
        // Bind events
        const input = {
          "blur": () => this.close({
            'reason': 'blur'
          })
        };

        if (this.auto_evaluate) {
          input["input"] = () => this.evaluate();
        }

        this._events = {
          'input': input,
          'form': {
            "submit": () => this.close({
              'reason': 'submit'
            })
          },
          'ul': {
            "mousedown": ev => this.onMouseDown(ev),
            "mouseover": ev => this.onMouseOver(ev)
          }
        };
        helpers.bind(this.input, this._events.input);
        helpers.bind(this.input.form, this._events.form);
        helpers.bind(this.ul, this._events.ul);
      }

      set list(list) {
        if (Array.isArray(list) || typeof list === "function") {
          this._list = list;
        } else if (typeof list === "string" && _.includes(list, ",")) {
          this._list = list.split(/\s*,\s*/);
        } else {
          // Element or CSS selector
          list = helpers.getElement(list);

          if (list && list.children) {
            const items = [];
            slice.apply(list.children).forEach(function (el) {
              if (!el.disabled) {
                const text = el.textContent.trim(),
                      value = el.value || text,
                      label = el.label || text;

                if (value !== "") {
                  items.push({
                    label: label,
                    value: value
                  });
                }
              }
            });
            this._list = items;
          }
        }

        if (document.activeElement === this.input) {
          this.evaluate();
        }
      }

      get selected() {
        return this.index > -1;
      }

      get opened() {
        return this.is_opened;
      }

      close(o) {
        if (!this.opened) {
          return;
        }

        this.ul.setAttribute("hidden", "");
        this.is_opened = false;
        this.index = -1;
        this.trigger("suggestion-box-close", o || {});
      }

      insertValue(suggestion) {
        let value;

        if (this.match_current_word) {
          u.replaceCurrentWord(this.input, suggestion.value);
        } else {
          this.input.value = suggestion.value;
        }
      }

      open() {
        this.ul.removeAttribute("hidden");
        this.is_opened = true;

        if (this.auto_first && this.index === -1) {
          this.goto(0);
        }

        this.trigger("suggestion-box-open");
      }

      destroy() {
        //remove events from the input and its form
        helpers.unbind(this.input, this._events.input);
        helpers.unbind(this.input.form, this._events.form); //move the input out of the suggestion-box container and remove the container and its children

        const parentNode = this.container.parentNode;
        parentNode.insertBefore(this.input, this.container);
        parentNode.removeChild(this.container); //remove autocomplete and aria-autocomplete attributes

        this.input.removeAttribute("autocomplete");
        this.input.removeAttribute("aria-autocomplete");
      }

      next() {
        const count = this.ul.children.length;
        this.goto(this.index < count - 1 ? this.index + 1 : count ? 0 : -1);
      }

      previous() {
        const count = this.ul.children.length,
              pos = this.index - 1;
        this.goto(this.selected && pos !== -1 ? pos : count - 1);
      }

      goto(i) {
        // Should not be used directly, highlights specific item without any checks!
        const list = this.ul.children;

        if (this.selected) {
          list[this.index].setAttribute("aria-selected", "false");
        }

        this.index = i;

        if (i > -1 && list.length > 0) {
          list[i].setAttribute("aria-selected", "true");
          list[i].focus();
          this.status.textContent = list[i].textContent; // scroll to highlighted element in case parent's height is fixed

          this.ul.scrollTop = list[i].offsetTop - this.ul.clientHeight + list[i].clientHeight;
          this.trigger("suggestion-box-highlight", {
            'text': this.suggestions[this.index]
          });
        }
      }

      select(selected, origin) {
        if (selected) {
          this.index = u.siblingIndex(selected);
        } else {
          selected = this.ul.children[this.index];
        }

        if (selected) {
          const suggestion = this.suggestions[this.index];
          this.insertValue(suggestion);
          this.close({
            'reason': 'select'
          });
          this.auto_completing = false;
          this.trigger("suggestion-box-selectcomplete", {
            'text': suggestion
          });
        }
      }

      onMouseOver(ev) {
        const li = u.ancestor(ev.target, 'li');

        if (li) {
          this.goto(Array.prototype.slice.call(this.ul.children).indexOf(li));
        }
      }

      onMouseDown(ev) {
        if (ev.button !== 0) {
          return; // Only select on left click
        }

        const li = u.ancestor(ev.target, 'li');

        if (li) {
          ev.preventDefault();
          this.select(li, ev.target);
        }
      }

      keyPressed(ev) {
        if (this.opened) {
          if (_.includes([_converse.keycodes.ENTER, _converse.keycodes.TAB], ev.keyCode) && this.selected) {
            ev.preventDefault();
            ev.stopPropagation();
            this.select();
            return true;
          } else if (ev.keyCode === _converse.keycodes.ESCAPE) {
            this.close({
              'reason': 'esc'
            });
            return true;
          } else if (_.includes([_converse.keycodes.UP_ARROW, _converse.keycodes.DOWN_ARROW], ev.keyCode)) {
            ev.preventDefault();
            ev.stopPropagation();
            this[ev.keyCode === _converse.keycodes.UP_ARROW ? "previous" : "next"]();
            return true;
          }
        }

        if (_.includes([_converse.keycodes.SHIFT, _converse.keycodes.META, _converse.keycodes.META_RIGHT, _converse.keycodes.ESCAPE, _converse.keycodes.ALT], ev.keyCode)) {
          return;
        }

        if (this.match_on_tab && ev.keyCode === _converse.keycodes.TAB) {
          ev.preventDefault();
          this.auto_completing = true;
        } else if (this.trigger_on_at && ev.keyCode === _converse.keycodes.AT) {
          this.auto_completing = true;
        }
      }

      evaluate(ev) {
        const arrow_pressed = ev.keyCode === _converse.keycodes.UP_ARROW || ev.keyCode === _converse.keycodes.DOWN_ARROW;

        if (!this.auto_completing || this.selected && arrow_pressed) {
          return;
        }

        const list = typeof this._list === "function" ? this._list() : this._list;

        if (list.length === 0) {
          return;
        }

        let value = this.match_current_word ? u.getCurrentWord(this.input) : this.input.value;
        let ignore_min_chars = false;

        if (this.trigger_on_at && value.startsWith('@')) {
          ignore_min_chars = true;
          value = value.slice('1');
        }

        if (value.length >= this.min_chars || ignore_min_chars) {
          this.index = -1; // Populate list with options that match

          this.ul.innerHTML = "";
          this.suggestions = list.map(item => new Suggestion(this.data(item, value))).filter(item => this.filter(item, value));

          if (this.sort !== false) {
            this.suggestions = this.suggestions.sort(this.sort);
          }

          this.suggestions = this.suggestions.slice(0, this.max_items);
          this.suggestions.forEach(text => this.ul.appendChild(this.item(text, value)));

          if (this.ul.children.length === 0) {
            this.close({
              'reason': 'nomatches'
            });
          } else {
            this.open();
          }
        } else {
          this.close({
            'reason': 'nomatches'
          });
          this.auto_completing = false;
        }
      }

    } // Make it an event emitter


    _.extend(AutoComplete.prototype, Backbone.Events); // Private functions


    function Suggestion(data) {
      const o = Array.isArray(data) ? {
        label: data[0],
        value: data[1]
      } : typeof data === "object" && "label" in data && "value" in data ? data : {
        label: data,
        value: data
      };
      this.label = o.label || o.value;
      this.value = o.value;
    }

    Object.defineProperty(Suggestion.prototype = Object.create(String.prototype), "length", {
      get: function get() {
        return this.label.length;
      }
    });

    Suggestion.prototype.toString = Suggestion.prototype.valueOf = function () {
      return "" + this.label;
    }; // Helpers


    var slice = Array.prototype.slice;
    const helpers = {
      getElement(expr, el) {
        return typeof expr === "string" ? (el || document).querySelector(expr) : expr || null;
      },

      bind(element, o) {
        if (element) {
          for (var event in o) {
            if (!Object.prototype.hasOwnProperty.call(o, event)) {
              continue;
            }

            const callback = o[event];
            event.split(/\s+/).forEach(event => element.addEventListener(event, callback));
          }
        }
      },

      unbind(element, o) {
        if (element) {
          for (var event in o) {
            if (!Object.prototype.hasOwnProperty.call(o, event)) {
              continue;
            }

            const callback = o[event];
            event.split(/\s+/).forEach(event => element.removeEventListener(event, callback));
          }
        }
      },

      regExpEscape(s) {
        return s.replace(/[-\\^$*+?.()|[\]{}]/g, "\\$&");
      }

    };
    _converse.AutoComplete = AutoComplete;
  }

});

/***/ }),

/***/ "./src/converse-bookmarks.js":
/*!***********************************!*\
  !*** ./src/converse-bookmarks.js ***!
  \***********************************/
/*! no exports provided */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! @converse/headless/converse-core */ "./src/headless/converse-core.js");
/* harmony import */ var _converse_headless_converse_muc__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! @converse/headless/converse-muc */ "./src/headless/converse-muc.js");
/* harmony import */ var templates_bookmark_html__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! templates/bookmark.html */ "./src/templates/bookmark.html");
/* harmony import */ var templates_bookmark_html__WEBPACK_IMPORTED_MODULE_2___default = /*#__PURE__*/__webpack_require__.n(templates_bookmark_html__WEBPACK_IMPORTED_MODULE_2__);
/* harmony import */ var templates_bookmarks_list_html__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! templates/bookmarks_list.html */ "./src/templates/bookmarks_list.html");
/* harmony import */ var templates_bookmarks_list_html__WEBPACK_IMPORTED_MODULE_3___default = /*#__PURE__*/__webpack_require__.n(templates_bookmarks_list_html__WEBPACK_IMPORTED_MODULE_3__);
/* harmony import */ var templates_chatroom_bookmark_form_html__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! templates/chatroom_bookmark_form.html */ "./src/templates/chatroom_bookmark_form.html");
/* harmony import */ var templates_chatroom_bookmark_form_html__WEBPACK_IMPORTED_MODULE_4___default = /*#__PURE__*/__webpack_require__.n(templates_chatroom_bookmark_form_html__WEBPACK_IMPORTED_MODULE_4__);
/* harmony import */ var templates_chatroom_bookmark_toggle_html__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(/*! templates/chatroom_bookmark_toggle.html */ "./src/templates/chatroom_bookmark_toggle.html");
/* harmony import */ var templates_chatroom_bookmark_toggle_html__WEBPACK_IMPORTED_MODULE_5___default = /*#__PURE__*/__webpack_require__.n(templates_chatroom_bookmark_toggle_html__WEBPACK_IMPORTED_MODULE_5__);
// Converse.js (A browser based XMPP chat client)
// http://conversejs.org
//
// Copyright (c) 2012-2017, Jan-Carel Brand <jc@opkode.com>
// Licensed under the Mozilla Public License (MPLv2)
//

/*global define */

/* This is a Converse.js plugin which add support for bookmarks specified
 * in XEP-0048.
 */






const _converse$env = _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_0__["default"].env,
      Backbone = _converse$env.Backbone,
      Promise = _converse$env.Promise,
      Strophe = _converse$env.Strophe,
      $iq = _converse$env.$iq,
      b64_sha1 = _converse$env.b64_sha1,
      sizzle = _converse$env.sizzle,
      _ = _converse$env._;
const u = _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_0__["default"].env.utils;
_converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_0__["default"].plugins.add('converse-bookmarks', {
  /* Plugin dependencies are other plugins which might be
   * overridden or relied upon, and therefore need to be loaded before
   * this plugin.
   *
   * If the setting "strict_plugin_dependencies" is set to true,
   * an error will be raised if the plugin is not found. By default it's
   * false, which means these plugins are only loaded opportunistically.
   *
   * NB: These plugins need to have already been loaded via require.js.
   */
  dependencies: ["converse-chatboxes", "converse-muc", "converse-muc-views"],
  overrides: {
    // Overrides mentioned here will be picked up by converse.js's
    // plugin architecture they will replace existing methods on the
    // relevant objects or classes.
    //
    // New functions which don't exist yet can also be added.
    ChatRoomView: {
      events: {
        'click .toggle-bookmark': 'toggleBookmark'
      },

      initialize() {
        this.__super__.initialize.apply(this, arguments);

        this.model.on('change:bookmarked', this.onBookmarked, this);
        this.setBookmarkState();
      },

      renderBookmarkToggle() {
        if (this.el.querySelector('.chat-head .toggle-bookmark')) {
          return;
        }

        const _converse = this.__super__._converse,
              __ = _converse.__;
        const bookmark_button = templates_chatroom_bookmark_toggle_html__WEBPACK_IMPORTED_MODULE_5___default()(_.assignIn(this.model.toJSON(), {
          info_toggle_bookmark: __('Bookmark this groupchat'),
          bookmarked: this.model.get('bookmarked')
        }));
        const close_button = this.el.querySelector('.close-chatbox-button');
        close_button.insertAdjacentHTML('afterend', bookmark_button);
      },

      async renderHeading() {
        this.__super__.renderHeading.apply(this, arguments);

        const _converse = this.__super__._converse;

        if (_converse.allow_bookmarks) {
          const supported = await _converse.checkBookmarksSupport();

          if (supported) {
            this.renderBookmarkToggle();
          }
        }
      },

      checkForReservedNick() {
        /* Check if the user has a bookmark with a saved nickanme
         * for this groupchat, and if so use it.
         * Otherwise delegate to the super method.
         */
        const _converse = this.__super__._converse;

        if (_.isUndefined(_converse.bookmarks) || !_converse.allow_bookmarks) {
          return this.__super__.checkForReservedNick.apply(this, arguments);
        }

        const model = _converse.bookmarks.findWhere({
          'jid': this.model.get('jid')
        });

        if (!_.isUndefined(model) && model.get('nick')) {
          this.join(model.get('nick'));
        } else {
          return this.__super__.checkForReservedNick.apply(this, arguments);
        }
      },

      onBookmarked() {
        const _converse = this.__super__._converse,
              __ = _converse.__;
        const icon = this.el.querySelector('.toggle-bookmark');

        if (_.isNull(icon)) {
          return;
        }

        if (this.model.get('bookmarked')) {
          icon.classList.add('button-on');
          icon.title = __('Unbookmark this groupchat');
        } else {
          icon.classList.remove('button-on');
          icon.title = __('Bookmark this groupchat');
        }
      },

      setBookmarkState() {
        /* Set whether the groupchat is bookmarked or not.
         */
        const _converse = this.__super__._converse;

        if (!_.isUndefined(_converse.bookmarks)) {
          const models = _converse.bookmarks.where({
            'jid': this.model.get('jid')
          });

          if (!models.length) {
            this.model.save('bookmarked', false);
          } else {
            this.model.save('bookmarked', true);
          }
        }
      },

      renderBookmarkForm() {
        const _converse = this.__super__._converse,
              __ = _converse.__,
              body = this.el.querySelector('.chatroom-body');

        _.each(body.children, child => child.classList.add('hidden'));

        _.each(body.querySelectorAll('.chatroom-form-container'), u.removeElement);

        body.insertAdjacentHTML('beforeend', templates_chatroom_bookmark_form_html__WEBPACK_IMPORTED_MODULE_4___default()({
          'default_nick': this.model.get('nick'),
          'heading': __('Bookmark this groupchat'),
          'label_autojoin': __('Would you like this groupchat to be automatically joined upon startup?'),
          'label_cancel': __('Cancel'),
          'label_name': __('The name for this bookmark:'),
          'label_nick': __('What should your nickname for this groupchat be?'),
          'label_submit': __('Save'),
          'name': this.model.get('name')
        }));
        const form = body.querySelector('form.chatroom-form');
        form.addEventListener('submit', ev => this.onBookmarkFormSubmitted(ev));
        form.querySelector('.button-cancel').addEventListener('click', () => this.closeForm());
      },

      onBookmarkFormSubmitted(ev) {
        ev.preventDefault();
        const _converse = this.__super__._converse;

        _converse.bookmarks.createBookmark({
          'jid': this.model.get('jid'),
          'autojoin': _.get(ev.target.querySelector('input[name="autojoin"]'), 'checked') || false,
          'name': _.get(ev.target.querySelector('input[name=name]'), 'value'),
          'nick': _.get(ev.target.querySelector('input[name=nick]'), 'value')
        });

        u.removeElement(this.el.querySelector('div.chatroom-form-container'));
        this.renderAfterTransition();
      },

      toggleBookmark(ev) {
        if (ev) {
          ev.preventDefault();
          ev.stopPropagation();
        }

        const _converse = this.__super__._converse;

        const models = _converse.bookmarks.where({
          'jid': this.model.get('jid')
        });

        if (!models.length) {
          this.renderBookmarkForm();
        } else {
          _.forEach(models, function (model) {
            model.destroy();
          });

          this.el.querySelector('.toggle-bookmark').classList.remove('button-on');
        }
      }

    }
  },

  initialize() {
    /* The initialize function gets called as soon as the plugin is
     * loaded by converse.js's plugin machinery.
     */
    const _converse = this._converse,
          __ = _converse.__; // Configuration values for this plugin
    // ====================================
    // Refer to docs/source/configuration.rst for explanations of these
    // configuration settings.

    _converse.api.settings.update({
      allow_bookmarks: true,
      allow_public_bookmarks: false,
      hide_open_bookmarks: true
    }); // Promises exposed by this plugin


    _converse.api.promises.add('bookmarksInitialized'); // Pure functions on the _converse object


    _.extend(_converse, {
      removeBookmarkViaEvent(ev) {
        /* Remove a bookmark as determined by the passed in
         * event.
         */
        ev.preventDefault();
        const name = ev.target.getAttribute('data-bookmark-name');
        const jid = ev.target.getAttribute('data-room-jid');

        if (confirm(__("Are you sure you want to remove the bookmark \"%1$s\"?", name))) {
          _.invokeMap(_converse.bookmarks.where({
            'jid': jid
          }), Backbone.Model.prototype.destroy);
        }
      },

      addBookmarkViaEvent(ev) {
        /* Add a bookmark as determined by the passed in
         * event.
         */
        ev.preventDefault();
        const jid = ev.target.getAttribute('data-room-jid');

        const chatroom = _converse.api.rooms.open(jid, {
          'bring_to_foreground': true
        });

        _converse.chatboxviews.get(jid).renderBookmarkForm();
      }

    });

    _converse.Bookmark = Backbone.Model;
    _converse.Bookmarks = Backbone.Collection.extend({
      model: _converse.Bookmark,
      comparator: item => item.get('name').toLowerCase(),

      initialize() {
        this.on('add', _.flow(this.openBookmarkedRoom, this.markRoomAsBookmarked));
        this.on('remove', this.markRoomAsUnbookmarked, this);
        this.on('remove', this.sendBookmarkStanza, this);

        const storage = _converse.config.get('storage'),
              cache_key = `converse.room-bookmarks${_converse.bare_jid}`;

        this.fetched_flag = b64_sha1(cache_key + 'fetched');
        this.browserStorage = new Backbone.BrowserStorage[storage](b64_sha1(cache_key));
      },

      openBookmarkedRoom(bookmark) {
        if (bookmark.get('autojoin')) {
          const groupchat = _converse.api.rooms.create(bookmark.get('jid'), bookmark.get('nick'));

          if (!groupchat.get('hidden')) {
            groupchat.trigger('show');
          }
        }

        return bookmark;
      },

      fetchBookmarks() {
        const deferred = u.getResolveablePromise();

        if (this.browserStorage.records.length > 0) {
          this.fetch({
            'success': _.bind(this.onCachedBookmarksFetched, this, deferred),
            'error': _.bind(this.onCachedBookmarksFetched, this, deferred)
          });
        } else if (!window.sessionStorage.getItem(this.fetched_flag)) {
          // There aren't any cached bookmarks and the
          // `fetched_flag` is off, so we query the XMPP server.
          // If nothing is returned from the XMPP server, we set
          // the `fetched_flag` to avoid calling the server again.
          this.fetchBookmarksFromServer(deferred);
        } else {
          deferred.resolve();
        }

        return deferred;
      },

      onCachedBookmarksFetched(deferred) {
        return deferred.resolve();
      },

      createBookmark(options) {
        this.create(options);
        this.sendBookmarkStanza().catch(iq => this.onBookmarkError(iq, options));
      },

      sendBookmarkStanza() {
        const stanza = $iq({
          'type': 'set',
          'from': _converse.connection.jid
        }).c('pubsub', {
          'xmlns': Strophe.NS.PUBSUB
        }).c('publish', {
          'node': 'storage:bookmarks'
        }).c('item', {
          'id': 'current'
        }).c('storage', {
          'xmlns': 'storage:bookmarks'
        });
        this.each(model => {
          stanza.c('conference', {
            'name': model.get('name'),
            'autojoin': model.get('autojoin'),
            'jid': model.get('jid')
          }).c('nick').t(model.get('nick')).up().up();
        });
        stanza.up().up().up();
        stanza.c('publish-options').c('x', {
          'xmlns': Strophe.NS.XFORM,
          'type': 'submit'
        }).c('field', {
          'var': 'FORM_TYPE',
          'type': 'hidden'
        }).c('value').t('http://jabber.org/protocol/pubsub#publish-options').up().up().c('field', {
          'var': 'pubsub#persist_items'
        }).c('value').t('true').up().up().c('field', {
          'var': 'pubsub#access_model'
        }).c('value').t('whitelist');
        return _converse.api.sendIQ(stanza);
      },

      onBookmarkError(iq, options) {
        _converse.log("Error while trying to add bookmark", Strophe.LogLevel.ERROR);

        _converse.log(iq);

        _converse.api.alert.show(Strophe.LogLevel.ERROR, __('Error'), [__("Sorry, something went wrong while trying to save your bookmark.")]);

        this.findWhere({
          'jid': options.jid
        }).destroy();
      },

      fetchBookmarksFromServer(deferred) {
        const stanza = $iq({
          'from': _converse.connection.jid,
          'type': 'get'
        }).c('pubsub', {
          'xmlns': Strophe.NS.PUBSUB
        }).c('items', {
          'node': 'storage:bookmarks'
        });

        _converse.api.sendIQ(stanza).then(iq => this.onBookmarksReceived(deferred, iq)).catch(iq => this.onBookmarksReceivedError(deferred, iq));
      },

      markRoomAsBookmarked(bookmark) {
        const groupchat = _converse.chatboxes.get(bookmark.get('jid'));

        if (!_.isUndefined(groupchat)) {
          groupchat.save('bookmarked', true);
        }
      },

      markRoomAsUnbookmarked(bookmark) {
        const groupchat = _converse.chatboxes.get(bookmark.get('jid'));

        if (!_.isUndefined(groupchat)) {
          groupchat.save('bookmarked', false);
        }
      },

      createBookmarksFromStanza(stanza) {
        const bookmarks = sizzle(`items[node="storage:bookmarks"] item storage[xmlns="storage:bookmarks"] conference`, stanza);

        _.forEach(bookmarks, bookmark => {
          const jid = bookmark.getAttribute('jid');
          this.create({
            'jid': jid,
            'name': bookmark.getAttribute('name') || jid,
            'autojoin': bookmark.getAttribute('autojoin') === 'true',
            'nick': _.get(bookmark.querySelector('nick'), 'textContent')
          });
        });
      },

      onBookmarksReceived(deferred, iq) {
        this.createBookmarksFromStanza(iq);

        if (!_.isUndefined(deferred)) {
          return deferred.resolve();
        }
      },

      onBookmarksReceivedError(deferred, iq) {
        window.sessionStorage.setItem(this.fetched_flag, true);

        _converse.log('Error while fetching bookmarks', Strophe.LogLevel.WARN);

        _converse.log(iq.outerHTML, Strophe.LogLevel.DEBUG);

        if (!_.isNil(deferred)) {
          if (iq.querySelector('error[type="cancel"] item-not-found')) {
            // Not an exception, the user simply doesn't have
            // any bookmarks.
            return deferred.resolve();
          } else {
            return deferred.reject(new Error("Could not fetch bookmarks"));
          }
        }
      }

    });
    _converse.BookmarksList = Backbone.Model.extend({
      defaults: {
        "toggle-state": _converse.OPENED
      }
    });
    _converse.BookmarkView = Backbone.VDOMView.extend({
      toHTML() {
        return templates_bookmark_html__WEBPACK_IMPORTED_MODULE_2___default()({
          'hidden': _converse.hide_open_bookmarks && _converse.chatboxes.where({
            'jid': this.model.get('jid')
          }).length,
          'bookmarked': true,
          'info_leave_room': __('Leave this groupchat'),
          'info_remove': __('Remove this bookmark'),
          'info_remove_bookmark': __('Unbookmark this groupchat'),
          'info_title': __('Show more information on this groupchat'),
          'jid': this.model.get('jid'),
          'name': Strophe.xmlunescape(this.model.get('name')),
          'open_title': __('Click to open this groupchat')
        });
      }

    });
    _converse.BookmarksView = Backbone.OrderedListView.extend({
      tagName: 'div',
      className: 'bookmarks-list list-container rooms-list-container',
      events: {
        'click .add-bookmark': 'addBookmark',
        'click .bookmarks-toggle': 'toggleBookmarksList',
        'click .remove-bookmark': 'removeBookmark',
        'click .open-room': 'openRoom'
      },
      listSelector: '.rooms-list',
      ItemView: _converse.BookmarkView,
      subviewIndex: 'jid',

      initialize() {
        Backbone.OrderedListView.prototype.initialize.apply(this, arguments);
        this.model.on('add', this.showOrHide, this);
        this.model.on('remove', this.showOrHide, this);

        _converse.chatboxes.on('add', this.renderBookmarkListElement, this);

        _converse.chatboxes.on('remove', this.renderBookmarkListElement, this);

        const storage = _converse.config.get('storage'),
              id = b64_sha1(`converse.room-bookmarks${_converse.bare_jid}-list-model`);

        this.list_model = new _converse.BookmarksList({
          'id': id
        });
        this.list_model.browserStorage = new Backbone.BrowserStorage[storage](id);
        this.list_model.fetch();
        this.render();
        this.sortAndPositionAllItems();
      },

      render() {
        this.el.innerHTML = templates_bookmarks_list_html__WEBPACK_IMPORTED_MODULE_3___default()({
          'toggle_state': this.list_model.get('toggle-state'),
          'desc_bookmarks': __('Click to toggle the bookmarks list'),
          'label_bookmarks': __('Bookmarks'),
          '_converse': _converse
        });
        this.showOrHide();
        this.insertIntoControlBox();
        return this;
      },

      insertIntoControlBox() {
        const controlboxview = _converse.chatboxviews.get('controlbox');

        if (!_.isUndefined(controlboxview) && !u.rootContains(_converse.root, this.el)) {
          const el = controlboxview.el.querySelector('.bookmarks-list');

          if (!_.isNull(el)) {
            el.parentNode.replaceChild(this.el, el);
          }
        }
      },

      openRoom(ev) {
        ev.preventDefault();
        const name = ev.target.textContent;
        const jid = ev.target.getAttribute('data-room-jid');
        const data = {
          'name': name || Strophe.unescapeNode(Strophe.getNodeFromJid(jid)) || jid
        };

        _converse.api.rooms.open(jid, data);
      },

      removeBookmark: _converse.removeBookmarkViaEvent,
      addBookmark: _converse.addBookmarkViaEvent,

      renderBookmarkListElement(chatbox) {
        const bookmarkview = this.get(chatbox.get('jid'));

        if (_.isNil(bookmarkview)) {
          // A chat box has been closed, but we don't have a
          // bookmark for it, so nothing further to do here.
          return;
        }

        bookmarkview.render();
        this.showOrHide();
      },

      showOrHide(item) {
        if (_converse.hide_open_bookmarks) {
          const bookmarks = this.model.filter(bookmark => !_converse.chatboxes.get(bookmark.get('jid')));

          if (!bookmarks.length) {
            u.hideElement(this.el);
            return;
          }
        }

        if (this.model.models.length) {
          u.showElement(this.el);
        }
      },

      toggleBookmarksList(ev) {
        if (ev && ev.preventDefault) {
          ev.preventDefault();
        }

        const icon_el = ev.target.matches('.fa') ? ev.target : ev.target.querySelector('.fa');

        if (u.hasClass('fa-caret-down', icon_el)) {
          u.slideIn(this.el.querySelector('.bookmarks'));
          this.list_model.save({
            'toggle-state': _converse.CLOSED
          });
          icon_el.classList.remove("fa-caret-down");
          icon_el.classList.add("fa-caret-right");
        } else {
          icon_el.classList.remove("fa-caret-right");
          icon_el.classList.add("fa-caret-down");
          u.slideOut(this.el.querySelector('.bookmarks'));
          this.list_model.save({
            'toggle-state': _converse.OPENED
          });
        }
      }

    });

    _converse.checkBookmarksSupport = async function () {
      const identity = await _converse.api.disco.getIdentity('pubsub', 'pep', _converse.bare_jid);

      if (_converse.allow_public_bookmarks) {
        return !!identity;
      } else {
        const supported = await _converse.api.disco.supports(Strophe.NS.PUBSUB + '#publish-options', _converse.bare_jid);
        return !!supported.length;
      }
    };

    const initBookmarks = async function initBookmarks() {
      if (!_converse.allow_bookmarks) {
        return;
      }

      const supported = await _converse.checkBookmarksSupport();

      if (supported) {
        _converse.bookmarks = new _converse.Bookmarks();
        _converse.bookmarksview = new _converse.BookmarksView({
          'model': _converse.bookmarks
        });
        await _converse.bookmarks.fetchBookmarks();
      }

      _converse.emit('bookmarksInitialized');
    };

    u.onMultipleEvents([{
      'object': _converse,
      'event': 'chatBoxesFetched'
    }, {
      'object': _converse,
      'event': 'roomsPanelRendered'
    }], initBookmarks);

    _converse.on('clearSession', () => {
      if (!_.isUndefined(_converse.bookmarks)) {
        _converse.bookmarks.browserStorage._clear();

        window.sessionStorage.removeItem(_converse.bookmarks.fetched_flag);
      }
    });

    _converse.on('reconnected', initBookmarks);

    _converse.on('connected', () => {
      // Add a handler for bookmarks pushed from other connected clients
      // (from the same user obviously)
      _converse.connection.addHandler(message => {
        if (sizzle('event[xmlns="' + Strophe.NS.PUBSUB + '#event"] items[node="storage:bookmarks"]', message).length) {
          _converse.api.waitUntil('bookmarksInitialized').then(() => _converse.bookmarks.createBookmarksFromStanza(message)).catch(_.partial(_converse.log, _, Strophe.LogLevel.FATAL));
        }
      }, null, 'message', 'headline', null, _converse.bare_jid);
    });
  }

});

/***/ }),

/***/ "./src/converse-caps.js":
/*!******************************!*\
  !*** ./src/converse-caps.js ***!
  \******************************/
/*! no exports provided */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! @converse/headless/converse-core */ "./src/headless/converse-core.js");
// Converse.js
// http://conversejs.org
//
// Copyright (c) 2013-2018, the Converse.js developers
// Licensed under the Mozilla Public License (MPLv2)

const _converse$env = _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_0__["default"].env,
      Strophe = _converse$env.Strophe,
      $build = _converse$env.$build,
      _ = _converse$env._,
      b64_sha1 = _converse$env.b64_sha1;
Strophe.addNamespace('CAPS', "http://jabber.org/protocol/caps");

function propertySort(array, property) {
  return array.sort((a, b) => {
    return a[property] > b[property] ? -1 : 1;
  });
}

function generateVerificationString(_converse) {
  const identities = _converse.api.disco.own.identities.get(),
        features = _converse.api.disco.own.features.get();

  if (identities.length > 1) {
    propertySort(identities, "category");
    propertySort(identities, "type");
    propertySort(identities, "lang");
  }

  let S = _.reduce(identities, (result, id) => `${result}${id.category}/${id.type}/${_.get(id, 'lang', '')}/${id.name}<`, "");

  features.sort();
  S = _.reduce(features, (result, feature) => `${result}${feature}<`, S);
  return b64_sha1(S);
}

function createCapsNode(_converse) {
  return $build("c", {
    'xmlns': Strophe.NS.CAPS,
    'hash': "sha-1",
    'node': "https://conversejs.org",
    'ver': generateVerificationString(_converse)
  }).nodeTree;
}

_converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_0__["default"].plugins.add('converse-caps', {
  overrides: {
    // Overrides mentioned here will be picked up by converse.js's
    // plugin architecture they will replace existing methods on the
    // relevant objects or classes.
    XMPPStatus: {
      constructPresence() {
        const presence = this.__super__.constructPresence.apply(this, arguments);

        presence.root().cnode(createCapsNode(this.__super__._converse));
        return presence;
      }

    }
  }
});

/***/ }),

/***/ "./src/converse-chatboxviews.js":
/*!**************************************!*\
  !*** ./src/converse-chatboxviews.js ***!
  \**************************************/
/*! no exports provided */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var _converse_headless_converse_chatboxes__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! @converse/headless/converse-chatboxes */ "./src/headless/converse-chatboxes.js");
/* harmony import */ var backbone_nativeview__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! backbone.nativeview */ "./node_modules/backbone.nativeview/backbone.nativeview.js");
/* harmony import */ var backbone_nativeview__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(backbone_nativeview__WEBPACK_IMPORTED_MODULE_1__);
/* harmony import */ var backbone_overview__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! backbone.overview */ "./node_modules/backbone.overview/backbone.overview.js");
/* harmony import */ var backbone_overview__WEBPACK_IMPORTED_MODULE_2___default = /*#__PURE__*/__webpack_require__.n(backbone_overview__WEBPACK_IMPORTED_MODULE_2__);
/* harmony import */ var _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! @converse/headless/converse-core */ "./src/headless/converse-core.js");
/* harmony import */ var templates_avatar_svg__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! templates/avatar.svg */ "./src/templates/avatar.svg");
/* harmony import */ var templates_avatar_svg__WEBPACK_IMPORTED_MODULE_4___default = /*#__PURE__*/__webpack_require__.n(templates_avatar_svg__WEBPACK_IMPORTED_MODULE_4__);
/* harmony import */ var templates_background_logo_html__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(/*! templates/background_logo.html */ "./src/templates/background_logo.html");
/* harmony import */ var templates_background_logo_html__WEBPACK_IMPORTED_MODULE_5___default = /*#__PURE__*/__webpack_require__.n(templates_background_logo_html__WEBPACK_IMPORTED_MODULE_5__);
/* harmony import */ var templates_chatboxes_html__WEBPACK_IMPORTED_MODULE_6__ = __webpack_require__(/*! templates/chatboxes.html */ "./src/templates/chatboxes.html");
/* harmony import */ var templates_chatboxes_html__WEBPACK_IMPORTED_MODULE_6___default = /*#__PURE__*/__webpack_require__.n(templates_chatboxes_html__WEBPACK_IMPORTED_MODULE_6__);
// Converse.js
// http://conversejs.org
//
// Copyright (c) 2012-2018, the Converse.js developers
// Licensed under the Mozilla Public License (MPLv2)







const _converse$env = _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_3__["default"].env,
      Backbone = _converse$env.Backbone,
      _ = _converse$env._,
      utils = _converse$env.utils;
const u = utils;
const AvatarMixin = {
  renderAvatar(el) {
    el = el || this.el;
    const canvas_el = el.querySelector('canvas');

    if (_.isNull(canvas_el)) {
      return;
    }

    const image_type = this.model.vcard.get('image_type'),
          image = this.model.vcard.get('image');
    canvas_el.outerHTML = templates_avatar_svg__WEBPACK_IMPORTED_MODULE_4___default()({
      'classes': canvas_el.getAttribute('class'),
      'width': canvas_el.width,
      'height': canvas_el.height,
      'image': "data:" + image_type + ";base64," + image
    });
  }

};
_converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_3__["default"].plugins.add('converse-chatboxviews', {
  dependencies: ["converse-chatboxes"],
  overrides: {
    // Overrides mentioned here will be picked up by converse.js's
    // plugin architecture they will replace existing methods on the
    // relevant objects or classes.
    initStatus: function initStatus(reconnecting) {
      const _converse = this.__super__._converse;

      if (!reconnecting) {
        _converse.chatboxviews.closeAllChatBoxes();
      }

      return this.__super__.initStatus.apply(this, arguments);
    }
  },

  initialize() {
    /* The initialize function gets called as soon as the plugin is
     * loaded by converse.js's plugin machinery.
     */
    const _converse = this._converse,
          __ = _converse.__;

    _converse.api.promises.add(['chatBoxViewsInitialized']); // Configuration values for this plugin
    // ====================================
    // Refer to docs/source/configuration.rst for explanations of these
    // configuration settings.


    _converse.api.settings.update({
      'theme': 'default'
    });

    _converse.ViewWithAvatar = Backbone.NativeView.extend(AvatarMixin);
    _converse.VDOMViewWithAvatar = Backbone.VDOMView.extend(AvatarMixin);
    _converse.ChatBoxViews = Backbone.Overview.extend({
      _ensureElement() {
        /* Override method from backbone.js
         * If the #conversejs element doesn't exist, create it.
         */
        if (!this.el) {
          let el = _converse.root.querySelector('#conversejs');

          if (_.isNull(el)) {
            el = document.createElement('div');
            el.setAttribute('id', 'conversejs');
            u.addClass(`theme-${_converse.theme}`, el);

            const body = _converse.root.querySelector('body');

            if (body) {
              body.appendChild(el);
            } else {
              // Perhaps inside a web component?
              _converse.root.appendChild(el);
            }
          }

          el.innerHTML = '';
          this.setElement(el, false);
        } else {
          this.setElement(_.result(this, 'el'), false);
        }
      },

      initialize() {
        this.model.on("destroy", this.removeChat, this);
        const bg = document.getElementById('conversejs-bg');

        if (bg && !bg.innerHTML.trim()) {
          bg.innerHTML = templates_background_logo_html__WEBPACK_IMPORTED_MODULE_5___default()();
        }

        const body = document.querySelector('body');
        body.classList.add(`converse-${_converse.view_mode}`);
        this.el.classList.add(`converse-${_converse.view_mode}`);
        this.render();
      },

      render() {
        try {
          this.el.innerHTML = templates_chatboxes_html__WEBPACK_IMPORTED_MODULE_6___default()();
        } catch (e) {
          this._ensureElement();

          this.el.innerHTML = templates_chatboxes_html__WEBPACK_IMPORTED_MODULE_6___default()();
        }

        this.row_el = this.el.querySelector('.row');
      },

      insertRowColumn(el) {
        /* Add a new DOM element (likely a chat box) into the
         * the row managed by this overview.
         */
        this.row_el.insertAdjacentElement('afterBegin', el);
      },

      removeChat(item) {
        this.remove(item.get('id'));
      },

      closeAllChatBoxes() {
        /* This method gets overridden in src/converse-controlbox.js if
         * the controlbox plugin is active.
         */
        this.each(function (view) {
          view.close();
        });
        return this;
      },

      chatBoxMayBeShown(chatbox) {
        return this.model.chatBoxMayBeShown(chatbox);
      }

    });
    /************************ BEGIN Event Handlers ************************/

    _converse.api.listen.on('chatBoxesInitialized', () => {
      _converse.chatboxviews = new _converse.ChatBoxViews({
        'model': _converse.chatboxes
      });

      _converse.emit('chatBoxViewsInitialized');
    });

    _converse.api.listen.on('clearSession', () => _converse.chatboxviews.closeAllChatBoxes());
    /************************ END Event Handlers ************************/

  }

});

/***/ }),

/***/ "./src/converse-chatview.js":
/*!**********************************!*\
  !*** ./src/converse-chatview.js ***!
  \**********************************/
/*! no exports provided */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var converse_chatboxviews__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! converse-chatboxviews */ "./src/converse-chatboxviews.js");
/* harmony import */ var converse_message_view__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! converse-message-view */ "./src/converse-message-view.js");
/* harmony import */ var converse_modal__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! converse-modal */ "./src/converse-modal.js");
/* harmony import */ var twemoji__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! twemoji */ "./node_modules/twemoji/2/esm.js");
/* harmony import */ var bootstrap__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! bootstrap */ "./node_modules/bootstrap.native/dist/bootstrap-native-v4.js");
/* harmony import */ var bootstrap__WEBPACK_IMPORTED_MODULE_4___default = /*#__PURE__*/__webpack_require__.n(bootstrap__WEBPACK_IMPORTED_MODULE_4__);
/* harmony import */ var _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(/*! @converse/headless/converse-core */ "./src/headless/converse-core.js");
/* harmony import */ var templates_alert_html__WEBPACK_IMPORTED_MODULE_6__ = __webpack_require__(/*! templates/alert.html */ "./src/templates/alert.html");
/* harmony import */ var templates_alert_html__WEBPACK_IMPORTED_MODULE_6___default = /*#__PURE__*/__webpack_require__.n(templates_alert_html__WEBPACK_IMPORTED_MODULE_6__);
/* harmony import */ var templates_chatbox_html__WEBPACK_IMPORTED_MODULE_7__ = __webpack_require__(/*! templates/chatbox.html */ "./src/templates/chatbox.html");
/* harmony import */ var templates_chatbox_html__WEBPACK_IMPORTED_MODULE_7___default = /*#__PURE__*/__webpack_require__.n(templates_chatbox_html__WEBPACK_IMPORTED_MODULE_7__);
/* harmony import */ var templates_chatbox_head_html__WEBPACK_IMPORTED_MODULE_8__ = __webpack_require__(/*! templates/chatbox_head.html */ "./src/templates/chatbox_head.html");
/* harmony import */ var templates_chatbox_head_html__WEBPACK_IMPORTED_MODULE_8___default = /*#__PURE__*/__webpack_require__.n(templates_chatbox_head_html__WEBPACK_IMPORTED_MODULE_8__);
/* harmony import */ var templates_chatbox_message_form_html__WEBPACK_IMPORTED_MODULE_9__ = __webpack_require__(/*! templates/chatbox_message_form.html */ "./src/templates/chatbox_message_form.html");
/* harmony import */ var templates_chatbox_message_form_html__WEBPACK_IMPORTED_MODULE_9___default = /*#__PURE__*/__webpack_require__.n(templates_chatbox_message_form_html__WEBPACK_IMPORTED_MODULE_9__);
/* harmony import */ var templates_emojis_html__WEBPACK_IMPORTED_MODULE_10__ = __webpack_require__(/*! templates/emojis.html */ "./src/templates/emojis.html");
/* harmony import */ var templates_emojis_html__WEBPACK_IMPORTED_MODULE_10___default = /*#__PURE__*/__webpack_require__.n(templates_emojis_html__WEBPACK_IMPORTED_MODULE_10__);
/* harmony import */ var templates_error_message_html__WEBPACK_IMPORTED_MODULE_11__ = __webpack_require__(/*! templates/error_message.html */ "./src/templates/error_message.html");
/* harmony import */ var templates_error_message_html__WEBPACK_IMPORTED_MODULE_11___default = /*#__PURE__*/__webpack_require__.n(templates_error_message_html__WEBPACK_IMPORTED_MODULE_11__);
/* harmony import */ var templates_help_message_html__WEBPACK_IMPORTED_MODULE_12__ = __webpack_require__(/*! templates/help_message.html */ "./src/templates/help_message.html");
/* harmony import */ var templates_help_message_html__WEBPACK_IMPORTED_MODULE_12___default = /*#__PURE__*/__webpack_require__.n(templates_help_message_html__WEBPACK_IMPORTED_MODULE_12__);
/* harmony import */ var templates_info_html__WEBPACK_IMPORTED_MODULE_13__ = __webpack_require__(/*! templates/info.html */ "./src/templates/info.html");
/* harmony import */ var templates_info_html__WEBPACK_IMPORTED_MODULE_13___default = /*#__PURE__*/__webpack_require__.n(templates_info_html__WEBPACK_IMPORTED_MODULE_13__);
/* harmony import */ var templates_new_day_html__WEBPACK_IMPORTED_MODULE_14__ = __webpack_require__(/*! templates/new_day.html */ "./src/templates/new_day.html");
/* harmony import */ var templates_new_day_html__WEBPACK_IMPORTED_MODULE_14___default = /*#__PURE__*/__webpack_require__.n(templates_new_day_html__WEBPACK_IMPORTED_MODULE_14__);
/* harmony import */ var templates_spinner_html__WEBPACK_IMPORTED_MODULE_15__ = __webpack_require__(/*! templates/spinner.html */ "./src/templates/spinner.html");
/* harmony import */ var templates_spinner_html__WEBPACK_IMPORTED_MODULE_15___default = /*#__PURE__*/__webpack_require__.n(templates_spinner_html__WEBPACK_IMPORTED_MODULE_15__);
/* harmony import */ var templates_spoiler_button_html__WEBPACK_IMPORTED_MODULE_16__ = __webpack_require__(/*! templates/spoiler_button.html */ "./src/templates/spoiler_button.html");
/* harmony import */ var templates_spoiler_button_html__WEBPACK_IMPORTED_MODULE_16___default = /*#__PURE__*/__webpack_require__.n(templates_spoiler_button_html__WEBPACK_IMPORTED_MODULE_16__);
/* harmony import */ var templates_status_message_html__WEBPACK_IMPORTED_MODULE_17__ = __webpack_require__(/*! templates/status_message.html */ "./src/templates/status_message.html");
/* harmony import */ var templates_status_message_html__WEBPACK_IMPORTED_MODULE_17___default = /*#__PURE__*/__webpack_require__.n(templates_status_message_html__WEBPACK_IMPORTED_MODULE_17__);
/* harmony import */ var templates_toolbar_html__WEBPACK_IMPORTED_MODULE_18__ = __webpack_require__(/*! templates/toolbar.html */ "./src/templates/toolbar.html");
/* harmony import */ var templates_toolbar_html__WEBPACK_IMPORTED_MODULE_18___default = /*#__PURE__*/__webpack_require__.n(templates_toolbar_html__WEBPACK_IMPORTED_MODULE_18__);
/* harmony import */ var templates_toolbar_fileupload_html__WEBPACK_IMPORTED_MODULE_19__ = __webpack_require__(/*! templates/toolbar_fileupload.html */ "./src/templates/toolbar_fileupload.html");
/* harmony import */ var templates_toolbar_fileupload_html__WEBPACK_IMPORTED_MODULE_19___default = /*#__PURE__*/__webpack_require__.n(templates_toolbar_fileupload_html__WEBPACK_IMPORTED_MODULE_19__);
/* harmony import */ var templates_user_details_modal_html__WEBPACK_IMPORTED_MODULE_20__ = __webpack_require__(/*! templates/user_details_modal.html */ "./src/templates/user_details_modal.html");
/* harmony import */ var templates_user_details_modal_html__WEBPACK_IMPORTED_MODULE_20___default = /*#__PURE__*/__webpack_require__.n(templates_user_details_modal_html__WEBPACK_IMPORTED_MODULE_20__);
/* harmony import */ var _converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_21__ = __webpack_require__(/*! @converse/headless/utils/emoji */ "./src/headless/utils/emoji.js");
/* harmony import */ var xss__WEBPACK_IMPORTED_MODULE_22__ = __webpack_require__(/*! xss */ "./node_modules/xss/dist/xss.js");
/* harmony import */ var xss__WEBPACK_IMPORTED_MODULE_22___default = /*#__PURE__*/__webpack_require__.n(xss__WEBPACK_IMPORTED_MODULE_22__);
// Converse.js
// http://conversejs.org
//
// Copyright (c) 2013-2018, the Converse.js developers
// Licensed under the Mozilla Public License (MPLv2)























const _converse$env = _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_5__["default"].env,
      $msg = _converse$env.$msg,
      Backbone = _converse$env.Backbone,
      Promise = _converse$env.Promise,
      Strophe = _converse$env.Strophe,
      _ = _converse$env._,
      b64_sha1 = _converse$env.b64_sha1,
      f = _converse$env.f,
      sizzle = _converse$env.sizzle,
      moment = _converse$env.moment;
_converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_5__["default"].plugins.add('converse-chatview', {
  /* Plugin dependencies are other plugins which might be
   * overridden or relied upon, and therefore need to be loaded before
   * this plugin.
   *
   * If the setting "strict_plugin_dependencies" is set to true,
   * an error will be raised if the plugin is not found. By default it's
   * false, which means these plugins are only loaded opportunistically.
   *
   * NB: These plugins need to have already been loaded via require.js.
   */
  dependencies: ["converse-chatboxviews", "converse-disco", "converse-message-view", "converse-modal"],

  initialize() {
    /* The initialize function gets called as soon as the plugin is
     * loaded by converse.js's plugin machinery.
     */
    const _converse = this._converse,
          __ = _converse.__;

    _converse.api.settings.update({
      'emoji_image_path': twemoji__WEBPACK_IMPORTED_MODULE_3__["default"].base,
      'show_send_button': false,
      'show_toolbar': true,
      'time_format': 'HH:mm',
      'use_system_emojis': true,
      'visible_toolbar_buttons': {
        'call': false,
        'clear': true,
        'emoji': true,
        'spoiler': true
      }
    });

    twemoji__WEBPACK_IMPORTED_MODULE_3__["default"].base = _converse.emoji_image_path;

    function onWindowStateChanged(data) {
      if (_converse.chatboxviews) {
        _converse.chatboxviews.each(view => {
          if (view.model.get('id') !== 'controlbox') {
            view.onWindowStateChanged(data.state);
          }
        });
      }
    }

    _converse.api.listen.on('windowStateChanged', onWindowStateChanged);

    _converse.EmojiPicker = Backbone.Model.extend({
      defaults: {
        'current_category': 'people',
        'current_skintone': '',
        'scroll_position': 0
      }
    });
    _converse.EmojiPickerView = Backbone.VDOMView.extend({
      className: 'emoji-picker-container',
      events: {
        'click .emoji-category-picker li.emoji-category': 'chooseCategory',
        'click .emoji-skintone-picker li.emoji-skintone': 'chooseSkinTone'
      },

      initialize() {
        this.model.on('change:current_skintone', this.render, this);
        this.model.on('change:current_category', this.render, this);
      },

      toHTML() {
        return templates_emojis_html__WEBPACK_IMPORTED_MODULE_10___default()(_.extend(this.model.toJSON(), {
          '_': _,
          'transform': _converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_21__["default"].getEmojiRenderer(_converse),
          'emojis_by_category': _converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_21__["default"].getEmojisByCategory(_converse),
          'toned_emojis': _converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_21__["default"].getTonedEmojis(_converse),
          'skintones': ['tone1', 'tone2', 'tone3', 'tone4', 'tone5'],
          'shouldBeHidden': this.shouldBeHidden
        }));
      },

      shouldBeHidden(shortname, current_skintone, toned_emojis) {
        /* Helper method for the template which decides whether an
         * emoji should be hidden, based on which skin tone is
         * currently being applied.
         */
        if (_.includes(shortname, '_tone')) {
          if (!current_skintone || !_.includes(shortname, current_skintone)) {
            return true;
          }
        } else {
          if (current_skintone && _.includes(toned_emojis, shortname)) {
            return true;
          }
        }

        return false;
      },

      chooseSkinTone(ev) {
        ev.preventDefault();
        ev.stopPropagation();
        const target = ev.target.nodeName === 'IMG' ? ev.target.parentElement : ev.target;
        const skintone = target.getAttribute("data-skintone").trim();

        if (this.model.get('current_skintone') === skintone) {
          this.model.save({
            'current_skintone': ''
          });
        } else {
          this.model.save({
            'current_skintone': skintone
          });
        }
      },

      chooseCategory(ev) {
        ev.preventDefault();
        ev.stopPropagation();
        const target = ev.target.nodeName === 'IMG' ? ev.target.parentElement : ev.target;
        const category = target.getAttribute("data-category").trim();
        this.model.save({
          'current_category': category,
          'scroll_position': 0
        });
      }

    });
    _converse.ChatBoxHeading = _converse.ViewWithAvatar.extend({
      initialize() {
        this.model.on('change:status', this.onStatusMessageChanged, this);
        this.model.vcard.on('change', this.render, this);
      },

      render() {
        this.el.innerHTML = templates_chatbox_head_html__WEBPACK_IMPORTED_MODULE_8___default()(_.extend(this.model.vcard.toJSON(), this.model.toJSON(), {
          '_converse': _converse,
          'info_close': __('Close this chat box')
        }));
        this.renderAvatar();
        return this;
      },

      onStatusMessageChanged(item) {
        this.render();

        _converse.emit('contactStatusMessageChanged', {
          'contact': item.attributes,
          'message': item.get('status')
        });
      }

    });
    _converse.UserDetailsModal = _converse.BootstrapModal.extend({
      events: {
        'click button.remove-contact': 'removeContact',
        'click button.refresh-contact': 'refreshContact',
        'click .fingerprint-trust .btn input': 'toggleDeviceTrust'
      },

      initialize() {
        _converse.BootstrapModal.prototype.initialize.apply(this, arguments);

        this.model.on('contactAdded', this.registerContactEventHandlers, this);
        this.model.on('change', this.render, this);
        this.registerContactEventHandlers();

        _converse.emit('userDetailsModalInitialized', this.model);
      },

      toHTML() {
        return templates_user_details_modal_html__WEBPACK_IMPORTED_MODULE_20___default()(_.extend(this.model.toJSON(), this.model.vcard.toJSON(), {
          '_': _,
          '__': __,
          'view': this,
          '_converse': _converse,
          'allow_contact_removal': _converse.allow_contact_removal,
          'display_name': this.model.getDisplayName(),
          'is_roster_contact': !_.isUndefined(this.model.contact),
          'utils': _converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_21__["default"]
        }));
      },

      registerContactEventHandlers() {
        if (!_.isUndefined(this.model.contact)) {
          this.model.contact.on('change', this.render, this);
          this.model.contact.vcard.on('change', this.render, this);
          this.model.contact.on('destroy', () => {
            delete this.model.contact;
            this.render();
          });
        }
      },

      async refreshContact(ev) {
        if (ev && ev.preventDefault) {
          ev.preventDefault();
        }

        const refresh_icon = this.el.querySelector('.fa-refresh');
        _converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_21__["default"].addClass('fa-spin', refresh_icon);

        try {
          await _converse.api.vcard.update(this.model.contact.vcard, true);
        } catch (e) {
          _converse.log(e, Strophe.LogLevel.FATAL);

          this.el.querySelector('.modal-body').insertAdjacentHTML('afterBegin', templates_alert_html__WEBPACK_IMPORTED_MODULE_6___default()({
            'type': 'alert-danger',
            'message': __('Sorry, something went wrong while trying to refresh')
          }));
        }

        _converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_21__["default"].removeClass('fa-spin', refresh_icon);
      },

      removeContact(ev) {
        if (ev && ev.preventDefault) {
          ev.preventDefault();
        }

        if (!_converse.allow_contact_removal) {
          return;
        }

        const result = confirm(__("Are you sure you want to remove this contact?"));

        if (result === true) {
          this.modal.hide();
          this.model.contact.removeFromRoster(iq => {
            this.model.contact.destroy();
          }, err => {
            _converse.log(err, Strophe.LogLevel.ERROR);

            _converse.api.alert.show(Strophe.LogLevel.ERROR, __('Error'), [__('Sorry, there was an error while trying to remove %1$s as a contact.', this.model.contact.getDisplayName())]);
          });
        }
      }

    });
    _converse.ChatBoxView = Backbone.NativeView.extend({
      length: 200,
      className: 'chatbox hidden',
      is_chatroom: false,
      // Leaky abstraction from MUC
      events: {
        'change input.fileupload': 'onFileSelection',
        'click .chat-msg__action-edit': 'onMessageEditButtonClicked',
        'click .chatbox-navback': 'showControlBox',
        'click .close-chatbox-button': 'close',
        'click .new-msgs-indicator': 'viewUnreadMessages',
        'click .send-button': 'onFormSubmitted',
        'click .show-user-details-modal': 'showUserDetailsModal',
        'click .spoiler-toggle': 'toggleSpoilerMessage',
        'click .toggle-call': 'toggleCall',
        'click .toggle-clear': 'clearMessages',
        'click .toggle-compose-spoiler': 'toggleComposeSpoilerMessage',
        'click .toggle-smiley ul.emoji-picker li': 'insertEmoji',
        'click .toggle-smiley': 'toggleEmojiMenu',
        'click .upload-file': 'toggleFileUpload',
        'input .chat-textarea': 'inputChanged',
        'keydown .chat-textarea': 'keyPressed',
        'dragover .chat-textarea': 'onDragOver',
        'drop .chat-textarea': 'onDrop'
      },

      initialize() {
        this.initDebounced();
        this.model.messages.on('add', this.onMessageAdded, this);
        this.model.messages.on('rendered', this.scrollDown, this);
        this.model.on('show', this.show, this);
        this.model.on('destroy', this.remove, this);
        this.model.presence.on('change:show', this.onPresenceChanged, this);
        this.model.on('showHelpMessages', this.showHelpMessages, this);
        this.render();
        this.fetchMessages();

        _converse.emit('chatBoxOpened', this);

        _converse.emit('chatBoxInitialized', this);
      },

      initDebounced() {
        this.scrollDown = _.debounce(this._scrollDown, 250);
        this.markScrolled = _.debounce(this._markScrolled, 100);
        this.show = _.debounce(this._show, 250, {
          'leading': true
        });
      },

      render() {
        // XXX: Is this still needed?
        this.el.setAttribute('id', this.model.get('box_id'));
        this.el.innerHTML = templates_chatbox_html__WEBPACK_IMPORTED_MODULE_7___default()(_.extend(this.model.toJSON(), {
          'unread_msgs': __('You have unread messages')
        }));
        this.content = this.el.querySelector('.chat-content');
        this.renderMessageForm();
        this.insertHeading();
        return this;
      },

      renderToolbar(toolbar, options) {
        if (!_converse.show_toolbar) {
          return this;
        }

        toolbar = toolbar || templates_toolbar_html__WEBPACK_IMPORTED_MODULE_18___default.a;
        options = _.assign(this.model.toJSON(), this.getToolbarOptions(options || {}));
        this.el.querySelector('.chat-toolbar').innerHTML = toolbar(options);
        this.addSpoilerButton(options);
        this.addFileUploadButton();

        _converse.emit('renderToolbar', this);

        return this;
      },

      renderMessageForm() {
        let placeholder;

        if (this.model.get('composing_spoiler')) {
          placeholder = __('Hidden message');
        } else {
          placeholder = __('Message');
        }

        const form_container = this.el.querySelector('.message-form-container');
        form_container.innerHTML = templates_chatbox_message_form_html__WEBPACK_IMPORTED_MODULE_9___default()(_.extend(this.model.toJSON(), {
          'hint_value': _.get(this.el.querySelector('.spoiler-hint'), 'value'),
          'label_message': placeholder,
          'label_send': __('Send'),
          'label_spoiler_hint': __('Optional hint'),
          'message_value': _.get(this.el.querySelector('.chat-textarea'), 'value'),
          'show_send_button': _converse.show_send_button,
          'show_toolbar': _converse.show_toolbar,
          'unread_msgs': __('You have unread messages')
        }));
        this.renderToolbar();
      },

      showControlBox() {
        // Used in mobile view, to navigate back to the controlbox
        const view = _converse.chatboxviews.get('controlbox');

        view.show();
        this.hide();
      },

      showUserDetailsModal(ev) {
        ev.preventDefault();

        if (_.isUndefined(this.user_details_modal)) {
          this.user_details_modal = new _converse.UserDetailsModal({
            model: this.model
          });
        }

        this.user_details_modal.show(ev);
      },

      toggleFileUpload(ev) {
        this.el.querySelector('input.fileupload').click();
      },

      onFileSelection(evt) {
        this.model.sendFiles(evt.target.files);
      },

      onDragOver(evt) {
        evt.preventDefault();
      },

      onDrop(evt) {
        if (evt.dataTransfer.files.length == 0) // There are no files to be dropped, so this isn’t a file
          // transfer operation.
          return;
        evt.preventDefault();
        this.model.sendFiles(evt.dataTransfer.files);
      },

      async addFileUploadButton(options) {
        const result = await _converse.api.disco.supports(Strophe.NS.HTTPUPLOAD, _converse.domain);

        if (result.length) {
          this.el.querySelector('.chat-toolbar').insertAdjacentHTML('beforeend', templates_toolbar_fileupload_html__WEBPACK_IMPORTED_MODULE_19___default()({
            'tooltip_upload_file': __('Choose a file to send')
          }));
        }
      },

      async addSpoilerButton(options) {
        /* Asynchronously adds a button for writing spoiler
         * messages, based on whether the contact's client supports
         * it.
         */
        if (!options.show_spoiler_button || this.model.get('type') === _converse.CHATROOMS_TYPE) {
          return;
        }

        const contact_jid = this.model.get('jid');
        const resources = this.model.presence.get('resources');

        if (_.isEmpty(resources)) {
          return;
        }

        const results = await Promise.all(_.map(_.keys(resources), resource => _converse.api.disco.supports(Strophe.NS.SPOILER, `${contact_jid}/${resource}`)));

        if (_.filter(results, 'length').length) {
          const html = templates_spoiler_button_html__WEBPACK_IMPORTED_MODULE_16___default()(this.model.toJSON());

          if (_converse.visible_toolbar_buttons.emoji) {
            this.el.querySelector('.toggle-smiley').insertAdjacentHTML('afterEnd', html);
          } else {
            this.el.querySelector('.chat-toolbar').insertAdjacentHTML('afterBegin', html);
          }
        }
      },

      insertHeading() {
        this.heading = new _converse.ChatBoxHeading({
          'model': this.model
        });
        this.heading.render();
        this.heading.chatview = this;

        if (!_.isUndefined(this.model.contact)) {
          this.model.contact.on('destroy', this.heading.render, this);
        }

        const flyout = this.el.querySelector('.flyout');
        flyout.insertBefore(this.heading.el, flyout.querySelector('.chat-body'));
        return this;
      },

      getToolbarOptions(options) {
        let label_toggle_spoiler;

        if (this.model.get('composing_spoiler')) {
          label_toggle_spoiler = __('Click to write as a normal (non-spoiler) message');
        } else {
          label_toggle_spoiler = __('Click to write your message as a spoiler');
        }

        return _.extend(options || {}, {
          'label_clear': __('Clear all messages'),
          'tooltip_insert_smiley': __('Insert emojis'),
          'tooltip_start_call': __('Start a call'),
          'label_toggle_spoiler': label_toggle_spoiler,
          'show_call_button': _converse.visible_toolbar_buttons.call,
          'show_spoiler_button': _converse.visible_toolbar_buttons.spoiler,
          'use_emoji': _converse.visible_toolbar_buttons.emoji
        });
      },

      afterMessagesFetched() {
        this.insertIntoDOM();
        this.scrollDown();
        this.content.addEventListener('scroll', this.markScrolled.bind(this));

        _converse.emit('afterMessagesFetched', this);
      },

      fetchMessages() {
        this.model.messages.fetch({
          'add': true,
          'success': this.afterMessagesFetched.bind(this),
          'error': this.afterMessagesFetched.bind(this)
        });
        return this;
      },

      insertIntoDOM() {
        /* This method gets overridden in src/converse-controlbox.js
         * as well as src/converse-muc.js (if those plugins are
         * enabled).
         */
        _converse.chatboxviews.insertRowColumn(this.el);

        return this;
      },

      showChatEvent(message) {
        const isodate = moment().format();
        this.content.insertAdjacentHTML('beforeend', templates_info_html__WEBPACK_IMPORTED_MODULE_13___default()({
          'extra_classes': 'chat-event',
          'message': message,
          'isodate': isodate
        }));
        this.insertDayIndicator(this.content.lastElementChild);
        this.scrollDown();
        return isodate;
      },

      showErrorMessage(message) {
        this.content.insertAdjacentHTML('beforeend', templates_error_message_html__WEBPACK_IMPORTED_MODULE_11___default()({
          'message': message,
          'isodate': moment().format()
        }));
        this.scrollDown();
      },

      addSpinner(append = false) {
        if (_.isNull(this.el.querySelector('.spinner'))) {
          if (append) {
            this.content.insertAdjacentHTML('beforeend', templates_spinner_html__WEBPACK_IMPORTED_MODULE_15___default()());
            this.scrollDown();
          } else {
            this.content.insertAdjacentHTML('afterbegin', templates_spinner_html__WEBPACK_IMPORTED_MODULE_15___default()());
          }
        }
      },

      clearSpinner() {
        _.each(this.content.querySelectorAll('span.spinner'), el => el.parentNode.removeChild(el));
      },

      insertDayIndicator(next_msg_el) {
        /* Inserts an indicator into the chat area, showing the
         * day as given by the passed in date.
         *
         * The indicator is only inserted if necessary.
         *
         * Parameters:
         *  (HTMLElement) next_msg_el - The message element before
         *      which the day indicator element must be inserted.
         *      This element must have a "data-isodate" attribute
         *      which specifies its creation date.
         */
        const prev_msg_el = _converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_21__["default"].getPreviousElement(next_msg_el, ".message:not(.chat-state-notification)"),
              prev_msg_date = _.isNull(prev_msg_el) ? null : prev_msg_el.getAttribute('data-isodate'),
              next_msg_date = next_msg_el.getAttribute('data-isodate');

        if (_.isNull(prev_msg_date) && _.isNull(next_msg_date)) {
          return;
        }

        if (_.isNull(prev_msg_date) || moment(next_msg_date).isAfter(prev_msg_date, 'day')) {
          const day_date = moment(next_msg_date).startOf('day');
          next_msg_el.insertAdjacentHTML('beforeBegin', templates_new_day_html__WEBPACK_IMPORTED_MODULE_14___default()({
            'isodate': day_date.format(),
            'datestring': day_date.format("dddd MMM Do YYYY")
          }));
        }
      },

      getLastMessageDate(cutoff) {
        /* Return the ISO8601 format date of the latest message.
         *
         * Parameters:
         *  (Object) cutoff: Moment Date cutoff date. The last
         *      message received cutoff this date will be returned.
         */
        const first_msg = _converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_21__["default"].getFirstChildElement(this.content, '.message:not(.chat-state-notification)'),
              oldest_date = first_msg ? first_msg.getAttribute('data-isodate') : null;

        if (!_.isNull(oldest_date) && moment(oldest_date).isAfter(cutoff)) {
          return null;
        }

        const last_msg = _converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_21__["default"].getLastChildElement(this.content, '.message:not(.chat-state-notification)'),
              most_recent_date = last_msg ? last_msg.getAttribute('data-isodate') : null;

        if (_.isNull(most_recent_date) || moment(most_recent_date).isBefore(cutoff)) {
          return most_recent_date;
        }
        /* XXX: We avoid .chat-state-notification messages, since they are
         * temporary and get removed once a new element is
         * inserted into the chat area, so we don't query for
         * them here, otherwise we get a null reference later
         * upon element insertion.
         */


        const msg_dates = _.invokeMap(sizzle('.message:not(.chat-state-notification)', this.content), Element.prototype.getAttribute, 'data-isodate');

        if (_.isObject(cutoff)) {
          cutoff = cutoff.format();
        }

        msg_dates.push(cutoff);
        msg_dates.sort();
        const idx = msg_dates.lastIndexOf(cutoff);

        if (idx === 0) {
          return null;
        } else {
          return msg_dates[idx - 1];
        }
      },

      setScrollPosition(message_el) {
        /* Given a newly inserted message, determine whether we
         * should keep the scrollbar in place (so as to not scroll
         * up when using infinite scroll).
         */
        if (this.model.get('scrolled')) {
          const next_msg_el = _converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_21__["default"].getNextElement(message_el, ".chat-msg");

          if (next_msg_el) {
            // The currently received message is not new, there
            // are newer messages after it. So let's see if we
            // should maintain our current scroll position.
            if (this.content.scrollTop === 0 || this.model.get('top_visible_message')) {
              const top_visible_message = this.model.get('top_visible_message') || next_msg_el;
              this.model.set('top_visible_message', top_visible_message);
              this.content.scrollTop = top_visible_message.offsetTop - 30;
            }
          }
        } else {
          this.scrollDown();
        }
      },

      showHelpMessages(msgs, type, spinner) {
        _.each(msgs, msg => {
          this.content.insertAdjacentHTML('beforeend', templates_help_message_html__WEBPACK_IMPORTED_MODULE_12___default()({
            'isodate': moment().format(),
            'type': type,
            'message': xss__WEBPACK_IMPORTED_MODULE_22___default.a.filterXSS(msg, {
              'whiteList': {
                'strong': []
              }
            })
          }));
        });

        if (spinner === true) {
          this.addSpinner();
        } else if (spinner === false) {
          this.clearSpinner();
        }

        return this.scrollDown();
      },

      clearChatStateNotification(message, isodate) {
        if (isodate) {
          _.each(sizzle(`.chat-state-notification[data-csn="${message.get('from')}"][data-isodate="${isodate}"]`, this.content), _converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_21__["default"].removeElement);
        } else {
          _.each(sizzle(`.chat-state-notification[data-csn="${message.get('from')}"]`, this.content), _converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_21__["default"].removeElement);
        }
      },

      shouldShowOnTextMessage() {
        return !_converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_21__["default"].isVisible(this.el);
      },

      insertMessage(view) {
        /* Given a view representing a message, insert it into the
         * content area of the chat box.
         *
         * Parameters:
         *  (Backbone.View) message: The message Backbone.View
         */
        if (view.model.get('type') === 'error') {
          const previous_msg_el = this.content.querySelector(`[data-msgid="${view.model.get('msgid')}"]`);

          if (previous_msg_el) {
            previous_msg_el.insertAdjacentElement('afterend', view.el);
            return this.trigger('messageInserted', view.el);
          }
        }

        const current_msg_date = moment(view.model.get('time')) || moment,
              previous_msg_date = this.getLastMessageDate(current_msg_date);

        if (_.isNull(previous_msg_date)) {
          this.content.insertAdjacentElement('afterbegin', view.el);
        } else {
          const previous_msg_el = sizzle(`[data-isodate="${previous_msg_date}"]:last`, this.content).pop();

          if (view.model.get('type') === 'error' && _converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_21__["default"].hasClass('chat-error', previous_msg_el) && previous_msg_el.textContent === view.model.get('message')) {
            // We don't show a duplicate error message
            return;
          }

          previous_msg_el.insertAdjacentElement('afterend', view.el);
          this.markFollowups(view.el);
        }

        return this.trigger('messageInserted', view.el);
      },

      markFollowups(el) {
        /* Given a message element, determine wether it should be
         * marked as a followup message to the previous element.
         *
         * Also determine whether the element following it is a
         * followup message or not.
         *
         * Followup messages are subsequent ones written by the same
         * author with no other conversation elements inbetween and
         * posted within 10 minutes of one another.
         *
         * Parameters:
         *  (HTMLElement) el - The message element.
         */
        const from = el.getAttribute('data-from'),
              previous_el = el.previousElementSibling,
              date = moment(el.getAttribute('data-isodate')),
              next_el = el.nextElementSibling;

        if (!_converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_21__["default"].hasClass('chat-msg--action', el) && !_converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_21__["default"].hasClass('chat-msg--action', previous_el) && previous_el.getAttribute('data-from') === from && date.isBefore(moment(previous_el.getAttribute('data-isodate')).add(10, 'minutes')) && el.getAttribute('data-encrypted') === previous_el.getAttribute('data-encrypted')) {
          _converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_21__["default"].addClass('chat-msg--followup', el);
        }

        if (!next_el) {
          return;
        }

        if (!_converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_21__["default"].hasClass('chat-msg--action', 'el') && next_el.getAttribute('data-from') === from && moment(next_el.getAttribute('data-isodate')).isBefore(date.add(10, 'minutes')) && el.getAttribute('data-encrypted') === next_el.getAttribute('data-encrypted')) {
          _converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_21__["default"].addClass('chat-msg--followup', next_el);
        } else {
          _converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_21__["default"].removeClass('chat-msg--followup', next_el);
        }
      },

      async showMessage(message) {
        /* Inserts a chat message into the content area of the chat box.
         *
         * Will also insert a new day indicator if the message is on a
         * different day.
         *
         * Parameters:
         *  (Backbone.Model) message: The message object
         */
        const view = new _converse.MessageView({
          'model': message
        });
        await view.render();
        this.clearChatStateNotification(message);

        if (!view.el.innerHTML) {
          // An "inactive" CSN message (for example) will have an
          // empty body. No need to then continue.
          return _converse.log("Not inserting a message with empty element", Strophe.LogLevel.INFO);
        }

        this.insertMessage(view);
        this.insertDayIndicator(view.el);
        this.setScrollPosition(view.el);

        if (_converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_21__["default"].isNewMessage(message)) {
          if (message.get('sender') === 'me') {
            // We remove the "scrolled" flag so that the chat area
            // gets scrolled down. We always want to scroll down
            // when the user writes a message as opposed to when a
            // message is received.
            this.model.set('scrolled', false);
          } else if (this.model.get('scrolled', true) && !_converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_21__["default"].isOnlyChatStateNotification(message)) {
            this.showNewMessagesIndicator();
          }
        }

        if (this.shouldShowOnTextMessage()) {
          this.show();
        } else {
          this.scrollDown();
        }
      },

      onMessageAdded(message) {
        /* Handler that gets called when a new message object is created.
         *
         * Parameters:
         *    (Object) message - The message Backbone object that was added.
         */
        this.showMessage(message);

        if (message.get('correcting')) {
          this.insertIntoTextArea(message.get('message'), true, true);
        }

        _converse.emit('messageAdded', {
          'message': message,
          'chatbox': this.model
        });
      },

      parseMessageForCommands(text) {
        const match = text.replace(/^\s*/, "").match(/^\/(.*)\s*$/);

        if (match) {
          if (match[1] === "clear") {
            this.clearMessages();
            return true;
          } else if (match[1] === "help") {
            const msgs = [`<strong>/clear</strong>: ${__('Remove messages')}`, `<strong>/me</strong>: ${__('Write in the third person')}`, `<strong>/help</strong>: ${__('Show this menu')}`];
            this.showHelpMessages(msgs);
            return true;
          }
        }
      },

      setChatState(state, options) {
        /* Mutator for setting the chat state of this chat session.
         * Handles clearing of any chat state notification timeouts and
         * setting new ones if necessary.
         * Timeouts are set when the  state being set is COMPOSING or PAUSED.
         * After the timeout, COMPOSING will become PAUSED and PAUSED will become INACTIVE.
         * See XEP-0085 Chat State Notifications.
         *
         *  Parameters:
         *    (string) state - The chat state (consts ACTIVE, COMPOSING, PAUSED, INACTIVE, GONE)
         */
        if (!_.isUndefined(this.chat_state_timeout)) {
          window.clearTimeout(this.chat_state_timeout);
          delete this.chat_state_timeout;
        }

        if (state === _converse.COMPOSING) {
          this.chat_state_timeout = window.setTimeout(this.setChatState.bind(this), _converse.TIMEOUTS.PAUSED, _converse.PAUSED);
        } else if (state === _converse.PAUSED) {
          this.chat_state_timeout = window.setTimeout(this.setChatState.bind(this), _converse.TIMEOUTS.INACTIVE, _converse.INACTIVE);
        }

        this.model.set('chat_state', state, options);
        return this;
      },

      async onFormSubmitted(ev) {
        ev.preventDefault();
        const textarea = this.el.querySelector('.chat-textarea'),
              message = textarea.value;

        if (!message.replace(/\s/g, '').length) {
          return;
        }

        if (!_converse.connection.authenticated) {
          this.showHelpMessages(['Sorry, the connection has been lost, and your message could not be sent'], 'error');
          return;
        }

        let spoiler_hint,
            hint_el = {};

        if (this.model.get('composing_spoiler')) {
          hint_el = this.el.querySelector('form.sendXMPPMessage input.spoiler-hint');
          spoiler_hint = hint_el.value;
        }

        _converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_21__["default"].addClass('disabled', textarea);
        textarea.setAttribute('disabled', 'disabled');

        if (this.parseMessageForCommands(message) || (await this.model.sendMessage(this.model.getOutgoingMessageAttributes(message, spoiler_hint)))) {
          hint_el.value = '';
          textarea.value = '';
          _converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_21__["default"].removeClass('correcting', textarea); // Trigger input event, so that the textarea resizes

          const event = document.createEvent('Event');
          event.initEvent('input', true, true);
          textarea.dispatchEvent(event);

          _converse.emit('messageSend', message);
        }

        textarea.removeAttribute('disabled');
        textarea.focus(); // Suppress events, otherwise superfluous CSN gets set
        // immediately after the message, causing rate-limiting issues.

        this.setChatState(_converse.ACTIVE, {
          'silent': true
        });
      },

      keyPressed(ev) {
        /* Event handler for when a key is pressed in a chat box textarea.
         */
        if (ev.ctrlKey) {
          // When ctrl is pressed, no chars are entered into the textarea.
          return;
        }

        if (!ev.shiftKey && !ev.altKey) {
          if (ev.keyCode === _converse.keycodes.FORWARD_SLASH) {
            // Forward slash is used to run commands. Nothing to do here.
            return;
          } else if (ev.keyCode === _converse.keycodes.ESCAPE) {
            return this.onEscapePressed(ev);
          } else if (ev.keyCode === _converse.keycodes.ENTER) {
            if (this.emoji_dropdown && _converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_21__["default"].isVisible(this.emoji_dropdown.el.querySelector('.emoji-picker'))) {
              this.emoji_dropdown.toggle();
            }

            return this.onFormSubmitted(ev);
          } else if (ev.keyCode === _converse.keycodes.UP_ARROW && !ev.target.selectionEnd) {
            return this.editEarlierMessage();
          } else if (ev.keyCode === _converse.keycodes.DOWN_ARROW && ev.target.selectionEnd === ev.target.value.length) {
            return this.editLaterMessage();
          }
        }

        if (_.includes([_converse.keycodes.SHIFT, _converse.keycodes.META, _converse.keycodes.META_RIGHT, _converse.keycodes.ESCAPE, _converse.keycodes.ALT], ev.keyCode)) {
          return;
        }

        if (this.model.get('chat_state') !== _converse.COMPOSING) {
          // Set chat state to composing if keyCode is not a forward-slash
          // (which would imply an internal command and not a message).
          this.setChatState(_converse.COMPOSING);
        }
      },

      getOwnMessages() {
        return f(this.model.messages.filter({
          'sender': 'me'
        }));
      },

      onEscapePressed(ev) {
        ev.preventDefault();
        const idx = this.model.messages.findLastIndex('correcting'),
              message = idx >= 0 ? this.model.messages.at(idx) : null;

        if (message) {
          message.save('correcting', false);
        }

        this.insertIntoTextArea('', true, false);
      },

      onMessageEditButtonClicked(ev) {
        ev.preventDefault();
        const idx = this.model.messages.findLastIndex('correcting'),
              currently_correcting = idx >= 0 ? this.model.messages.at(idx) : null,
              message_el = _converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_21__["default"].ancestor(ev.target, '.chat-msg'),
              message = this.model.messages.findWhere({
          'msgid': message_el.getAttribute('data-msgid')
        });

        if (currently_correcting !== message) {
          if (!_.isNil(currently_correcting)) {
            currently_correcting.save('correcting', false);
          }

          message.save('correcting', true);
          this.insertIntoTextArea(_converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_21__["default"].prefixMentions(message), true, true);
        } else {
          message.save('correcting', false);
          this.insertIntoTextArea('', true, false);
        }
      },

      editLaterMessage() {
        let message;
        let idx = this.model.messages.findLastIndex('correcting');

        if (idx >= 0) {
          this.model.messages.at(idx).save('correcting', false);

          while (idx < this.model.messages.length - 1) {
            idx += 1;
            const candidate = this.model.messages.at(idx);

            if (candidate.get('sender') === 'me' && candidate.get('message')) {
              message = candidate;
              break;
            }
          }
        }

        if (message) {
          this.insertIntoTextArea(message.get('message'), true, true);
          message.save('correcting', true);
        } else {
          this.insertIntoTextArea('', true, false);
        }
      },

      editEarlierMessage() {
        let message;
        let idx = this.model.messages.findLastIndex('correcting');

        if (idx >= 0) {
          this.model.messages.at(idx).save('correcting', false);

          while (idx > 0) {
            idx -= 1;
            const candidate = this.model.messages.at(idx);

            if (candidate.get('sender') === 'me' && candidate.get('message')) {
              message = candidate;
              break;
            }
          }
        }

        message = message || this.getOwnMessages().findLast(msg => msg.get('message'));

        if (message) {
          this.insertIntoTextArea(message.get('message'), true, true);
          message.save('correcting', true);
        }
      },

      inputChanged(ev) {
        const new_height = ev.target.scrollHeight + 'px';

        if (ev.target.style.height !== new_height) {
          ev.target.style.height = 'auto'; // Fixes weirdness

          ev.target.style.height = new_height;
        }
      },

      clearMessages(ev) {
        if (ev && ev.preventDefault) {
          ev.preventDefault();
        }

        const result = confirm(__("Are you sure you want to clear the messages from this conversation?"));

        if (result === true) {
          this.content.innerHTML = '';
          this.model.messages.reset();

          this.model.messages.browserStorage._clear();
        }

        return this;
      },

      insertIntoTextArea(value, replace = false, correcting = false) {
        const textarea = this.el.querySelector('.chat-textarea');

        if (correcting) {
          _converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_21__["default"].addClass('correcting', textarea);
        } else {
          _converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_21__["default"].removeClass('correcting', textarea);
        }

        if (replace) {
          textarea.value = '';
          textarea.value = value;
        } else {
          let existing = textarea.value;

          if (existing && existing[existing.length - 1] !== ' ') {
            existing = existing + ' ';
          }

          textarea.value = '';
          textarea.value = existing + value + ' ';
        }

        _converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_21__["default"].putCurserAtEnd(textarea);
      },

      createEmojiPicker() {
        if (_.isUndefined(_converse.emojipicker)) {
          const storage = _converse.config.get('storage'),
                id = `converse.emoji-${_converse.bare_jid}`;

          _converse.emojipicker = new _converse.EmojiPicker({
            'id': id
          });
          _converse.emojipicker.browserStorage = new Backbone.BrowserStorage[storage](id);

          _converse.emojipicker.fetch();
        }

        this.emoji_picker_view = new _converse.EmojiPickerView({
          'model': _converse.emojipicker
        });
      },

      insertEmoji(ev) {
        ev.preventDefault();
        ev.stopPropagation();
        const target = ev.target.nodeName === 'IMG' ? ev.target.parentElement : ev.target;
        this.insertIntoTextArea(target.getAttribute('data-emoji'));
      },

      toggleEmojiMenu(ev) {
        if (_.isUndefined(this.emoji_dropdown)) {
          ev.stopPropagation();
          this.createEmojiPicker();
          this.insertEmojiPicker();
          this.renderEmojiPicker();
          const dropdown_el = this.el.querySelector('.toggle-smiley.dropup');
          this.emoji_dropdown = new bootstrap__WEBPACK_IMPORTED_MODULE_4___default.a.Dropdown(dropdown_el, true);
          this.emoji_dropdown.el = dropdown_el;
          this.emoji_dropdown.toggle();
        }
      },

      toggleCall(ev) {
        ev.stopPropagation();

        _converse.emit('callButtonClicked', {
          connection: _converse.connection,
          model: this.model
        });
      },

      toggleComposeSpoilerMessage() {
        this.model.set('composing_spoiler', !this.model.get('composing_spoiler'));
        this.renderMessageForm();
        this.focus();
      },

      toggleSpoilerMessage(ev) {
        if (ev && ev.preventDefault) {
          ev.preventDefault();
        }

        const toggle_el = ev.target,
              icon_el = toggle_el.firstElementChild;
        _converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_21__["default"].slideToggleElement(toggle_el.parentElement.parentElement.querySelector('.spoiler'));

        if (toggle_el.getAttribute("data-toggle-state") == "closed") {
          toggle_el.textContent = 'Show less';
          icon_el.classList.remove("fa-eye");
          icon_el.classList.add("fa-eye-slash");
          toggle_el.insertAdjacentElement('afterBegin', icon_el);
          toggle_el.setAttribute("data-toggle-state", "open");
        } else {
          toggle_el.textContent = 'Show more';
          icon_el.classList.remove("fa-eye-slash");
          icon_el.classList.add("fa-eye");
          toggle_el.insertAdjacentElement('afterBegin', icon_el);
          toggle_el.setAttribute("data-toggle-state", "closed");
        }
      },

      onPresenceChanged(item) {
        const show = item.get('show'),
              fullname = this.model.getDisplayName();
        let text;

        if (_converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_21__["default"].isVisible(this.el)) {
          if (show === 'offline') {
            text = __('%1$s has gone offline', fullname);
          } else if (show === 'away') {
            text = __('%1$s has gone away', fullname);
          } else if (show === 'dnd') {
            text = __('%1$s is busy', fullname);
          } else if (show === 'online') {
            text = __('%1$s is online', fullname);
          }

          if (text) {
            this.content.insertAdjacentHTML('beforeend', templates_status_message_html__WEBPACK_IMPORTED_MODULE_17___default()({
              'message': text,
              'isodate': moment().format()
            }));
            this.scrollDown();
          }
        }
      },

      close(ev) {
        if (ev && ev.preventDefault) {
          ev.preventDefault();
        }

        if (Backbone.history.getFragment() === "converse/chat?jid=" + this.model.get('jid')) {
          _converse.router.navigate('');
        }

        if (_converse.connection.connected) {
          // Immediately sending the chat state, because the
          // model is going to be destroyed afterwards.
          this.setChatState(_converse.INACTIVE);
          this.model.sendChatState();
        }

        try {
          this.model.destroy();
        } catch (e) {
          _converse.log(e, Strophe.LogLevel.ERROR);
        }

        this.remove();

        _converse.emit('chatBoxClosed', this);

        return this;
      },

      renderEmojiPicker() {
        this.emoji_picker_view.render();
      },

      insertEmojiPicker() {
        var picker_el = this.el.querySelector('.emoji-picker');

        if (!_.isNull(picker_el)) {
          picker_el.innerHTML = '';
          picker_el.appendChild(this.emoji_picker_view.el);
        }
      },

      focus() {
        const textarea_el = this.el.querySelector('.chat-textarea');

        if (!_.isNull(textarea_el)) {
          textarea_el.focus();

          _converse.emit('chatBoxFocused', this);
        }

        return this;
      },

      hide() {
        this.el.classList.add('hidden');
        return this;
      },

      afterShown() {
        this.model.clearUnreadMsgCounter();
        this.setChatState(_converse.ACTIVE);
        this.scrollDown();
        this.focus();
      },

      _show(f) {
        /* Inner show method that gets debounced */
        if (_converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_21__["default"].isVisible(this.el)) {
          this.focus();
          return;
        }

        _converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_21__["default"].fadeIn(this.el, _.bind(this.afterShown, this));
      },

      showNewMessagesIndicator() {
        _converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_21__["default"].showElement(this.el.querySelector('.new-msgs-indicator'));
      },

      hideNewMessagesIndicator() {
        const new_msgs_indicator = this.el.querySelector('.new-msgs-indicator');

        if (!_.isNull(new_msgs_indicator)) {
          new_msgs_indicator.classList.add('hidden');
        }
      },

      _markScrolled: function _markScrolled(ev) {
        /* Called when the chat content is scrolled up or down.
         * We want to record when the user has scrolled away from
         * the bottom, so that we don't automatically scroll away
         * from what the user is reading when new messages are
         * received.
         */
        if (ev && ev.preventDefault) {
          ev.preventDefault();
        }

        let scrolled = true;
        const is_at_bottom = this.content.scrollTop + this.content.clientHeight >= this.content.scrollHeight - 62; // sigh...

        if (is_at_bottom) {
          scrolled = false;
          this.onScrolledDown();
        }

        _converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_21__["default"].safeSave(this.model, {
          'scrolled': scrolled,
          'top_visible_message': null
        });
      },

      viewUnreadMessages() {
        this.model.save({
          'scrolled': false,
          'top_visible_message': null
        });
        this.scrollDown();
      },

      _scrollDown() {
        /* Inner method that gets debounced */
        if (_.isUndefined(this.content)) {
          return;
        }

        if (_converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_21__["default"].isVisible(this.content) && !this.model.get('scrolled')) {
          this.content.scrollTop = this.content.scrollHeight;
        }
      },

      onScrolledDown() {
        this.hideNewMessagesIndicator();

        if (_converse.windowState !== 'hidden') {
          this.model.clearUnreadMsgCounter();
        }

        _converse.emit('chatBoxScrolledDown', {
          'chatbox': this.model
        });
      },

      onWindowStateChanged(state) {
        if (state === 'visible') {
          if (!this.model.isHidden()) {
            this.setChatState(_converse.ACTIVE);

            if (this.model.get('num_unread', 0)) {
              this.model.clearUnreadMsgCounter();
            }
          }
        } else if (state === 'hidden') {
          this.setChatState(_converse.INACTIVE, {
            'silent': true
          });
          this.model.sendChatState();
        }
      }

    });

    _converse.on('chatBoxViewsInitialized', () => {
      const that = _converse.chatboxviews;

      _converse.chatboxes.on('add', item => {
        if (!that.get(item.get('id')) && item.get('type') === _converse.PRIVATE_CHAT_TYPE) {
          that.add(item.get('id'), new _converse.ChatBoxView({
            model: item
          }));
        }
      });
    });

    _converse.on('connected', () => {
      // Advertise that we support XEP-0382 Message Spoilers
      _converse.api.disco.own.features.add(Strophe.NS.SPOILER);
    });
    /************************ BEGIN API ************************/


    _.extend(_converse.api, {
      /**
       * The "chatview" namespace groups methods pertaining to views
       * for one-on-one chats.
       *
       * @namespace _converse.api.chatviews
       * @memberOf _converse.api
       */
      'chatviews': {
        /**
         * Get the view of an already open chat.
         *
         * @method _converse.api.chatviews.get
         * @returns {ChatBoxView} A [Backbone.View](http://backbonejs.org/#View) instance.
         *     The chat should already be open, otherwise `undefined` will be returned.
         *
         * @example
         * // To return a single view, provide the JID of the contact:
         * _converse.api.chatviews.get('buddy@example.com')
         *
         * @example
         * // To return an array of views, provide an array of JIDs:
         * _converse.api.chatviews.get(['buddy1@example.com', 'buddy2@example.com'])
         */
        'get'(jids) {
          if (_.isUndefined(jids)) {
            _converse.log("chats.create: You need to provide at least one JID", Strophe.LogLevel.ERROR);

            return null;
          }

          if (_.isString(jids)) {
            return _converse.chatboxviews.get(jids);
          }

          return _.map(jids, jid => _converse.chatboxviews.get(jids));
        }

      }
    });
    /************************ END API ************************/

  }

});

/***/ }),

/***/ "./src/converse-controlbox.js":
/*!************************************!*\
  !*** ./src/converse-controlbox.js ***!
  \************************************/
/*! no exports provided */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var converse_chatview__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! converse-chatview */ "./src/converse-chatview.js");
/* harmony import */ var converse_profile__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! converse-profile */ "./src/converse-profile.js");
/* harmony import */ var converse_rosterview__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! converse-rosterview */ "./src/converse-rosterview.js");
/* harmony import */ var formdata_polyfill__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! formdata-polyfill */ "./node_modules/formdata-polyfill/FormData.js");
/* harmony import */ var formdata_polyfill__WEBPACK_IMPORTED_MODULE_3___default = /*#__PURE__*/__webpack_require__.n(formdata_polyfill__WEBPACK_IMPORTED_MODULE_3__);
/* harmony import */ var bootstrap__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! bootstrap */ "./node_modules/bootstrap.native/dist/bootstrap-native-v4.js");
/* harmony import */ var bootstrap__WEBPACK_IMPORTED_MODULE_4___default = /*#__PURE__*/__webpack_require__.n(bootstrap__WEBPACK_IMPORTED_MODULE_4__);
/* harmony import */ var _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(/*! @converse/headless/converse-core */ "./src/headless/converse-core.js");
/* harmony import */ var _converse_headless_lodash_fp__WEBPACK_IMPORTED_MODULE_6__ = __webpack_require__(/*! @converse/headless/lodash.fp */ "./src/headless/lodash.fp.js");
/* harmony import */ var _converse_headless_lodash_fp__WEBPACK_IMPORTED_MODULE_6___default = /*#__PURE__*/__webpack_require__.n(_converse_headless_lodash_fp__WEBPACK_IMPORTED_MODULE_6__);
/* harmony import */ var templates_converse_brand_heading_html__WEBPACK_IMPORTED_MODULE_7__ = __webpack_require__(/*! templates/converse_brand_heading.html */ "./src/templates/converse_brand_heading.html");
/* harmony import */ var templates_converse_brand_heading_html__WEBPACK_IMPORTED_MODULE_7___default = /*#__PURE__*/__webpack_require__.n(templates_converse_brand_heading_html__WEBPACK_IMPORTED_MODULE_7__);
/* harmony import */ var templates_controlbox_html__WEBPACK_IMPORTED_MODULE_8__ = __webpack_require__(/*! templates/controlbox.html */ "./src/templates/controlbox.html");
/* harmony import */ var templates_controlbox_html__WEBPACK_IMPORTED_MODULE_8___default = /*#__PURE__*/__webpack_require__.n(templates_controlbox_html__WEBPACK_IMPORTED_MODULE_8__);
/* harmony import */ var templates_controlbox_toggle_html__WEBPACK_IMPORTED_MODULE_9__ = __webpack_require__(/*! templates/controlbox_toggle.html */ "./src/templates/controlbox_toggle.html");
/* harmony import */ var templates_controlbox_toggle_html__WEBPACK_IMPORTED_MODULE_9___default = /*#__PURE__*/__webpack_require__.n(templates_controlbox_toggle_html__WEBPACK_IMPORTED_MODULE_9__);
/* harmony import */ var templates_login_panel_html__WEBPACK_IMPORTED_MODULE_10__ = __webpack_require__(/*! templates/login_panel.html */ "./src/templates/login_panel.html");
/* harmony import */ var templates_login_panel_html__WEBPACK_IMPORTED_MODULE_10___default = /*#__PURE__*/__webpack_require__.n(templates_login_panel_html__WEBPACK_IMPORTED_MODULE_10__);
// Converse.js (A browser based XMPP chat client)
// http://conversejs.org
//
// Copyright (c) 2012-2017, Jan-Carel Brand <jc@opkode.com>
// Licensed under the Mozilla Public License (MPLv2)
//

/*global define */











const CHATBOX_TYPE = 'chatbox';
const _converse$env = _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_5__["default"].env,
      Strophe = _converse$env.Strophe,
      Backbone = _converse$env.Backbone,
      Promise = _converse$env.Promise,
      _ = _converse$env._,
      moment = _converse$env.moment;
const u = _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_5__["default"].env.utils;
const CONNECTION_STATUS_CSS_CLASS = {
  'Error': 'error',
  'Connecting': 'info',
  'Connection failure': 'error',
  'Authenticating': 'info',
  'Authentication failure': 'error',
  'Connected': 'info',
  'Disconnected': 'error',
  'Disconnecting': 'warn',
  'Attached': 'info',
  'Redirect': 'info',
  'Reconnecting': 'warn'
};
const PRETTY_CONNECTION_STATUS = {
  0: 'Error',
  1: 'Connecting',
  2: 'Connection failure',
  3: 'Authenticating',
  4: 'Authentication failure',
  5: 'Connected',
  6: 'Disconnected',
  7: 'Disconnecting',
  8: 'Attached',
  9: 'Redirect',
  10: 'Reconnecting'
};
const REPORTABLE_STATUSES = [0, // ERROR'
1, // CONNECTING
2, // CONNFAIL
3, // AUTHENTICATING
4, // AUTHFAIL
7, // DISCONNECTING
10 // RECONNECTING
];
_converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_5__["default"].plugins.add('converse-controlbox', {
  /* Plugin dependencies are other plugins which might be
   * overridden or relied upon, and therefore need to be loaded before
   * this plugin.
   *
   * If the setting "strict_plugin_dependencies" is set to true,
   * an error will be raised if the plugin is not found. By default it's
   * false, which means these plugins are only loaded opportunistically.
   *
   * NB: These plugins need to have already been loaded via require.js.
   */
  dependencies: ["converse-modal", "converse-chatboxes", "converse-rosterview", "converse-chatview"],

  enabled(_converse) {
    return _converse.view_mode !== 'embedded';
  },

  overrides: {
    // Overrides mentioned here will be picked up by converse.js's
    // plugin architecture they will replace existing methods on the
    // relevant objects or classes.
    //
    // New functions which don't exist yet can also be added.
    tearDown() {
      this.__super__.tearDown.apply(this, arguments);

      if (this.rosterview) {
        // Removes roster groups
        this.rosterview.model.off().reset();
        this.rosterview.each(function (groupview) {
          groupview.removeAll();
          groupview.remove();
        });
        this.rosterview.removeAll().remove();
      }
    },

    ChatBoxes: {
      model(attrs, options) {
        const _converse = this.__super__._converse;

        if (attrs.id == 'controlbox') {
          return new _converse.ControlBox(attrs, options);
        } else {
          return this.__super__.model.apply(this, arguments);
        }
      },

      chatBoxMayBeShown(chatbox) {
        return this.__super__.chatBoxMayBeShown.apply(this, arguments) && chatbox.get('id') !== 'controlbox';
      }

    },
    ChatBoxViews: {
      closeAllChatBoxes() {
        const _converse = this.__super__._converse;
        this.each(function (view) {
          if (view.model.get('id') === 'controlbox' && (_converse.disconnection_cause !== _converse.LOGOUT || _converse.show_controlbox_by_default)) {
            return;
          }

          view.close();
        });
        return this;
      },

      getChatBoxWidth(view) {
        const _converse = this.__super__._converse;
        const controlbox = this.get('controlbox');

        if (view.model.get('id') === 'controlbox') {
          /* We return the width of the controlbox or its toggle,
           * depending on which is visible.
           */
          if (!controlbox || !u.isVisible(controlbox.el)) {
            return u.getOuterWidth(_converse.controlboxtoggle.el, true);
          } else {
            return u.getOuterWidth(controlbox.el, true);
          }
        } else {
          return this.__super__.getChatBoxWidth.apply(this, arguments);
        }
      }

    },
    ChatBox: {
      validate(attrs, options) {
        const _converse = this.__super__._converse;

        if (attrs.type === _converse.CONTROLBOX_TYPE) {
          if (_converse.view_mode === 'embedded') {
            return 'Controlbox not relevant in embedded view mode';
          }

          return;
        }

        return this.__super__.validate.apply(this, arguments);
      },

      initialize() {
        if (this.get('id') === 'controlbox') {
          this.set({
            'time_opened': moment(0).valueOf()
          });
        } else {
          this.__super__.initialize.apply(this, arguments);
        }
      }

    },
    ChatBoxView: {
      insertIntoDOM() {
        const view = this.__super__._converse.chatboxviews.get("controlbox");

        if (view) {
          view.el.insertAdjacentElement('afterend', this.el);
        } else {
          this.__super__.insertIntoDOM.apply(this, arguments);
        }

        return this;
      }

    }
  },

  initialize() {
    /* The initialize function gets called as soon as the plugin is
     * loaded by converse.js's plugin machinery.
     */
    const _converse = this._converse,
          __ = _converse.__;

    _converse.api.settings.update({
      allow_logout: true,
      default_domain: undefined,
      locked_domain: undefined,
      show_controlbox_by_default: false,
      sticky_controlbox: false
    });

    _converse.api.promises.add('controlboxInitialized');

    const addControlBox = () => _converse.chatboxes.add({
      'id': 'controlbox'
    });

    _converse.ControlBox = _converse.ChatBox.extend({
      defaults: {
        'bookmarked': false,
        'box_id': 'controlbox',
        'chat_state': undefined,
        'closed': !_converse.show_controlbox_by_default,
        'num_unread': 0,
        'type': _converse.CONTROLBOX_TYPE,
        'url': ''
      },

      initialize() {
        u.safeSave(this, {
          'time_opened': this.get('time_opened') || moment().valueOf()
        });
      }

    });
    _converse.ControlBoxView = _converse.ChatBoxView.extend({
      tagName: 'div',
      className: 'chatbox',
      id: 'controlbox',
      events: {
        'click a.close-chatbox-button': 'close'
      },

      initialize() {
        if (_.isUndefined(_converse.controlboxtoggle)) {
          _converse.controlboxtoggle = new _converse.ControlBoxToggle();
        }

        _converse.controlboxtoggle.el.insertAdjacentElement('afterend', this.el);

        this.model.on('change:connected', this.onConnected, this);
        this.model.on('destroy', this.hide, this);
        this.model.on('hide', this.hide, this);
        this.model.on('show', this.show, this);
        this.model.on('change:closed', this.ensureClosedState, this);
        this.render();

        if (this.model.get('connected')) {
          this.insertRoster();
        }

        _converse.emit('controlboxInitialized', this);
      },

      render() {
        if (this.model.get('connected')) {
          if (_.isUndefined(this.model.get('closed'))) {
            this.model.set('closed', !_converse.show_controlbox_by_default);
          }
        }

        this.el.innerHTML = templates_controlbox_html__WEBPACK_IMPORTED_MODULE_8___default()(_.extend(this.model.toJSON()));

        if (!this.model.get('closed')) {
          this.show();
        } else {
          this.hide();
        }

        if (!_converse.connection.connected || !_converse.connection.authenticated || _converse.connection.disconnecting) {
          this.renderLoginPanel();
        } else if (this.model.get('connected') && (!this.controlbox_pane || !u.isVisible(this.controlbox_pane.el))) {
          this.renderControlBoxPane();
        }

        return this;
      },

      onConnected() {
        if (this.model.get('connected')) {
          this.render();
          this.insertRoster();
        }
      },

      insertRoster() {
        if (_converse.authentication === _converse.ANONYMOUS) {
          return;
        }
        /* Place the rosterview inside the "Contacts" panel. */


        _converse.api.waitUntil('rosterViewInitialized').then(() => this.controlbox_pane.el.insertAdjacentElement('beforeEnd', _converse.rosterview.el)).catch(_.partial(_converse.log, _, Strophe.LogLevel.FATAL));
      },

      createBrandHeadingHTML() {
        return templates_converse_brand_heading_html__WEBPACK_IMPORTED_MODULE_7___default()({
          'sticky_controlbox': _converse.sticky_controlbox
        });
      },

      insertBrandHeading() {
        const heading_el = this.el.querySelector('.brand-heading-container');

        if (_.isNull(heading_el)) {
          const el = this.el.querySelector('.controlbox-head');
          el.insertAdjacentHTML('beforeend', this.createBrandHeadingHTML());
        } else {
          heading_el.outerHTML = this.createBrandHeadingHTML();
        }
      },

      renderLoginPanel() {
        this.el.classList.add("logged-out");

        if (_.isNil(this.loginpanel)) {
          this.loginpanel = new _converse.LoginPanel({
            'model': new _converse.LoginPanelModel()
          });
          const panes = this.el.querySelector('.controlbox-panes');
          panes.innerHTML = '';
          panes.appendChild(this.loginpanel.render().el);
          this.insertBrandHeading();
        } else {
          this.loginpanel.render();
        }

        this.loginpanel.initPopovers();
        return this;
      },

      renderControlBoxPane() {
        /* Renders the "Contacts" panel of the controlbox.
         *
         * This will only be called after the user has already been
         * logged in.
         */
        if (this.loginpanel) {
          this.loginpanel.remove();
          delete this.loginpanel;
        }

        this.el.classList.remove("logged-out");
        this.controlbox_pane = new _converse.ControlBoxPane();
        this.el.querySelector('.controlbox-panes').insertAdjacentElement('afterBegin', this.controlbox_pane.el);
      },

      close(ev) {
        if (ev && ev.preventDefault) {
          ev.preventDefault();
        }

        if (_converse.sticky_controlbox) {
          return;
        }

        if (_converse.connection.connected && !_converse.connection.disconnecting) {
          this.model.save({
            'closed': true
          });
        } else {
          this.model.trigger('hide');
        }

        _converse.emit('controlBoxClosed', this);

        return this;
      },

      ensureClosedState() {
        if (this.model.get('closed')) {
          this.hide();
        } else {
          this.show();
        }
      },

      hide(callback) {
        if (_converse.sticky_controlbox) {
          return;
        }

        u.addClass('hidden', this.el);

        _converse.emit('chatBoxClosed', this);

        if (!_converse.connection.connected) {
          _converse.controlboxtoggle.render();
        }

        _converse.controlboxtoggle.show(callback);

        return this;
      },

      onControlBoxToggleHidden() {
        this.model.set('closed', false);
        this.el.classList.remove('hidden');

        _converse.emit('controlBoxOpened', this);
      },

      show() {
        _converse.controlboxtoggle.hide(this.onControlBoxToggleHidden.bind(this));

        return this;
      },

      showHelpMessages() {
        /* Override showHelpMessages in ChatBoxView, for now do nothing.
         *
         * Parameters:
         *  (Array) msgs: Array of messages
         */
        return;
      }

    });
    _converse.LoginPanelModel = Backbone.Model.extend({
      defaults: {
        // Passed-by-reference. Fine in this case because there's
        // only one such model.
        'errors': []
      }
    });
    _converse.LoginPanel = Backbone.VDOMView.extend({
      tagName: 'div',
      id: "converse-login-panel",
      className: 'controlbox-pane fade-in',
      events: {
        'submit form#converse-login': 'authenticate',
        'change input': 'validate'
      },

      initialize(cfg) {
        this.model.on('change', this.render, this);
        this.listenTo(_converse.connfeedback, 'change', this.render);
        this.render();
      },

      toHTML() {
        const connection_status = _converse.connfeedback.get('connection_status');

        let feedback_class, pretty_status;

        if (_.includes(REPORTABLE_STATUSES, connection_status)) {
          pretty_status = PRETTY_CONNECTION_STATUS[connection_status];
          feedback_class = CONNECTION_STATUS_CSS_CLASS[pretty_status];
        }

        return templates_login_panel_html__WEBPACK_IMPORTED_MODULE_10___default()(_.extend(this.model.toJSON(), {
          '__': __,
          '_converse': _converse,
          'ANONYMOUS': _converse.ANONYMOUS,
          'EXTERNAL': _converse.EXTERNAL,
          'LOGIN': _converse.LOGIN,
          'PREBIND': _converse.PREBIND,
          'auto_login': _converse.auto_login,
          'authentication': _converse.authentication,
          'connection_status': connection_status,
          'conn_feedback_class': feedback_class,
          'conn_feedback_subject': pretty_status,
          'conn_feedback_message': _converse.connfeedback.get('message'),
          'placeholder_username': (_converse.locked_domain || _converse.default_domain) && __('Username') || __('user@domain'),
          'show_trust_checkbox': _converse.trusted !== 'on' && _converse.trusted !== 'off'
        }));
      },

      initPopovers() {
        _.forEach(this.el.querySelectorAll('[data-title]'), el => {
          const popover = new bootstrap__WEBPACK_IMPORTED_MODULE_4___default.a.Popover(el, {
            'trigger': _converse.view_mode === 'mobile' && 'click' || 'hover',
            'dismissible': _converse.view_mode === 'mobile' && true || false,
            'container': this.el.parentElement.parentElement.parentElement
          });
        });
      },

      validate() {
        const form = this.el.querySelector('form');
        const jid_element = form.querySelector('input[name=jid]');

        if (jid_element.value && !_converse.locked_domain && !_converse.default_domain && !u.isValidJID(jid_element.value)) {
          jid_element.setCustomValidity(__('Please enter a valid XMPP address'));
          return false;
        }

        jid_element.setCustomValidity('');
        return true;
      },

      authenticate(ev) {
        /* Authenticate the user based on a form submission event.
         */
        if (ev && ev.preventDefault) {
          ev.preventDefault();
        }

        if (_converse.authentication === _converse.ANONYMOUS) {
          this.connect(_converse.jid, null);
          return;
        }

        if (!this.validate()) {
          return;
        }

        const form_data = new FormData(ev.target);

        if (_converse.trusted === 'on' || _converse.trusted === 'off') {
          _converse.config.save({
            'trusted': _converse.trusted === 'on',
            'storage': _converse.trusted === 'on' ? 'local' : 'session'
          });
        } else {
          _converse.config.save({
            'trusted': form_data.get('trusted') && true || false,
            'storage': form_data.get('trusted') ? 'local' : 'session'
          });
        }

        let jid = form_data.get('jid');

        if (_converse.locked_domain) {
          const last_part = '@' + _converse.locked_domain;

          if (jid.endsWith(last_part)) {
            jid = jid.substr(0, jid.length - last_part.length);
          }

          jid = Strophe.escapeNode(jid) + last_part;
        } else if (_converse.default_domain && !_.includes(jid, '@')) {
          jid = jid + '@' + _converse.default_domain;
        }

        this.connect(jid, form_data.get('password'));
      },

      connect(jid, password) {
        if (jid) {
          const resource = Strophe.getResourceFromJid(jid);

          if (!resource) {
            jid = jid.toLowerCase() + _converse.generateResource();
          } else {
            jid = Strophe.getBareJidFromJid(jid).toLowerCase() + '/' + resource;
          }
        }

        if (_.includes(["converse/login", "converse/register"], Backbone.history.getFragment())) {
          _converse.router.navigate('', {
            'replace': true
          });
        }

        _converse.connection.reset();

        _converse.connection.connect(jid, password, _converse.onConnectStatusChanged);
      }

    });
    _converse.ControlBoxPane = Backbone.NativeView.extend({
      tagName: 'div',
      className: 'controlbox-pane',

      initialize() {
        _converse.xmppstatusview = new _converse.XMPPStatusView({
          'model': _converse.xmppstatus
        });
        this.el.insertAdjacentElement('afterBegin', _converse.xmppstatusview.render().el);
      }

    });
    _converse.ControlBoxToggle = Backbone.NativeView.extend({
      tagName: 'a',
      className: 'toggle-controlbox hidden',
      id: 'toggle-controlbox',
      events: {
        'click': 'onClick'
      },
      attributes: {
        'href': "#"
      },

      initialize() {
        _converse.chatboxviews.insertRowColumn(this.render().el);

        _converse.api.waitUntil('initialized').then(this.render.bind(this)).catch(_.partial(_converse.log, _, Strophe.LogLevel.FATAL));
      },

      render() {
        // We let the render method of ControlBoxView decide whether
        // the ControlBox or the Toggle must be shown. This prevents
        // artifacts (i.e. on page load the toggle is shown only to then
        // seconds later be hidden in favor of the controlbox).
        this.el.innerHTML = templates_controlbox_toggle_html__WEBPACK_IMPORTED_MODULE_9___default()({
          'label_toggle': _converse.connection.connected ? __('Chat Contacts') : __('Toggle chat')
        });
        return this;
      },

      hide(callback) {
        u.hideElement(this.el);
        callback();
      },

      show(callback) {
        u.fadeIn(this.el, callback);
      },

      showControlBox() {
        let controlbox = _converse.chatboxes.get('controlbox');

        if (!controlbox) {
          controlbox = addControlBox();
        }

        if (_converse.connection.connected) {
          controlbox.save({
            closed: false
          });
        } else {
          controlbox.trigger('show');
        }
      },

      onClick(e) {
        e.preventDefault();

        if (u.isVisible(_converse.root.querySelector("#controlbox"))) {
          const controlbox = _converse.chatboxes.get('controlbox');

          if (_converse.connection.connected) {
            controlbox.save({
              closed: true
            });
          } else {
            controlbox.trigger('hide');
          }
        } else {
          this.showControlBox();
        }
      }

    });

    _converse.on('chatBoxViewsInitialized', () => {
      const that = _converse.chatboxviews;

      _converse.chatboxes.on('add', item => {
        if (item.get('type') === _converse.CONTROLBOX_TYPE) {
          const view = that.get(item.get('id'));

          if (view) {
            view.model = item;
            view.initialize();
          } else {
            that.add(item.get('id'), new _converse.ControlBoxView({
              model: item
            }));
          }
        }
      });
    });

    _converse.on('clearSession', () => {
      if (_converse.config.get('trusted')) {
        const chatboxes = _.get(_converse, 'chatboxes', null);

        if (!_.isNil(chatboxes)) {
          const controlbox = chatboxes.get('controlbox');

          if (controlbox && controlbox.collection && controlbox.collection.browserStorage) {
            controlbox.save({
              'connected': false
            });
          }
        }
      }
    });

    Promise.all([_converse.api.waitUntil('connectionInitialized'), _converse.api.waitUntil('chatBoxViewsInitialized')]).then(addControlBox).catch(_.partial(_converse.log, _, Strophe.LogLevel.FATAL));

    _converse.on('chatBoxesFetched', () => {
      const controlbox = _converse.chatboxes.get('controlbox') || addControlBox();
      controlbox.save({
        connected: true
      });
    });

    const disconnect = function disconnect() {
      /* Upon disconnection, set connected to `false`, so that if
       * we reconnect, "onConnected" will be called,
       * to fetch the roster again and to send out a presence stanza.
       */
      const view = _converse.chatboxviews.get('controlbox');

      view.model.set({
        'connected': false
      });
      return view;
    };

    _converse.on('disconnected', () => disconnect().renderLoginPanel());

    _converse.on('will-reconnect', disconnect);
    /************************ BEGIN API ************************/


    _.extend(_converse.api, {
      /**
       * The "controlbox" namespace groups methods pertaining to the
       * controlbox view
       *
       * @namespace _converse.api.controlbox
       * @memberOf _converse.api
       */
      'controlbox': {
        /**
         * Retrieves the controlbox view.
         *
         * @example
         * const view = _converse.api.controlbox.get();
         *
         * @returns {Backbone.View} View representing the controlbox
         */
        get() {
          return _converse.chatboxviews.get('controlbox');
        }

      }
    });
  }

});

/***/ }),

/***/ "./src/converse-dragresize.js":
/*!************************************!*\
  !*** ./src/converse-dragresize.js ***!
  \************************************/
/*! no exports provided */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var converse_chatview__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! converse-chatview */ "./src/converse-chatview.js");
/* harmony import */ var converse_controlbox__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! converse-controlbox */ "./src/converse-controlbox.js");
/* harmony import */ var _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! @converse/headless/converse-core */ "./src/headless/converse-core.js");
/* harmony import */ var templates_dragresize_html__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! templates/dragresize.html */ "./src/templates/dragresize.html");
/* harmony import */ var templates_dragresize_html__WEBPACK_IMPORTED_MODULE_3___default = /*#__PURE__*/__webpack_require__.n(templates_dragresize_html__WEBPACK_IMPORTED_MODULE_3__);
// Converse.js (A browser based XMPP chat client)
// http://conversejs.org
//
// Copyright (c) 2012-2017, Jan-Carel Brand <jc@opkode.com>
// Licensed under the Mozilla Public License (MPLv2)
//

/*global define, window, document */




const _ = _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_2__["default"].env._;

function renderDragResizeHandles(_converse, view) {
  const flyout = view.el.querySelector('.box-flyout');
  const div = document.createElement('div');
  div.innerHTML = templates_dragresize_html__WEBPACK_IMPORTED_MODULE_3___default()();
  flyout.insertBefore(div, flyout.firstChild);
}

_converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_2__["default"].plugins.add('converse-dragresize', {
  /* Plugin dependencies are other plugins which might be
   * overridden or relied upon, and therefore need to be loaded before
   * this plugin.
   *
   * If the setting "strict_plugin_dependencies" is set to true,
   * an error will be raised if the plugin is not found. By default it's
   * false, which means these plugins are only loaded opportunistically.
   *
   * NB: These plugins need to have already been loaded via require.js.
   */
  dependencies: ["converse-chatview", "converse-headline", "converse-muc-views"],

  enabled(_converse) {
    return _converse.view_mode == 'overlayed';
  },

  overrides: {
    // Overrides mentioned here will be picked up by converse.js's
    // plugin architecture they will replace existing methods on the
    // relevant objects or classes.
    //
    // New functions which don't exist yet can also be added.
    registerGlobalEventHandlers() {
      const that = this;
      document.addEventListener('mousemove', function (ev) {
        if (!that.resizing || !that.allow_dragresize) {
          return true;
        }

        ev.preventDefault();
        that.resizing.chatbox.resizeChatBox(ev);
      });
      document.addEventListener('mouseup', function (ev) {
        if (!that.resizing || !that.allow_dragresize) {
          return true;
        }

        ev.preventDefault();
        const height = that.applyDragResistance(that.resizing.chatbox.height, that.resizing.chatbox.model.get('default_height'));
        const width = that.applyDragResistance(that.resizing.chatbox.width, that.resizing.chatbox.model.get('default_width'));

        if (that.connection.connected) {
          that.resizing.chatbox.model.save({
            'height': height
          });
          that.resizing.chatbox.model.save({
            'width': width
          });
        } else {
          that.resizing.chatbox.model.set({
            'height': height
          });
          that.resizing.chatbox.model.set({
            'width': width
          });
        }

        that.resizing = null;
      });
      return this.__super__.registerGlobalEventHandlers.apply(this, arguments);
    },

    ChatBox: {
      initialize() {
        const _converse = this.__super__._converse;

        const result = this.__super__.initialize.apply(this, arguments),
              height = this.get('height'),
              width = this.get('width'),
              save = this.get('id') === 'controlbox' ? this.set.bind(this) : this.save.bind(this);

        save({
          'height': _converse.applyDragResistance(height, this.get('default_height')),
          'width': _converse.applyDragResistance(width, this.get('default_width'))
        });
        return result;
      }

    },
    ChatBoxView: {
      events: {
        'mousedown .dragresize-top': 'onStartVerticalResize',
        'mousedown .dragresize-left': 'onStartHorizontalResize',
        'mousedown .dragresize-topleft': 'onStartDiagonalResize'
      },

      initialize() {
        window.addEventListener('resize', _.debounce(this.setDimensions.bind(this), 100));

        this.__super__.initialize.apply(this, arguments);
      },

      render() {
        const result = this.__super__.render.apply(this, arguments);

        renderDragResizeHandles(this.__super__._converse, this);
        this.setWidth();
        return result;
      },

      setWidth() {
        // If a custom width is applied (due to drag-resizing),
        // then we need to set the width of the .chatbox element as well.
        if (this.model.get('width')) {
          this.el.style.width = this.model.get('width');
        }
      },

      _show() {
        this.initDragResize().setDimensions();

        this.__super__._show.apply(this, arguments);
      },

      initDragResize() {
        /* Determine and store the default box size.
         * We need this information for the drag-resizing feature.
         */
        const _converse = this.__super__._converse,
              flyout = this.el.querySelector('.box-flyout'),
              style = window.getComputedStyle(flyout);

        if (_.isUndefined(this.model.get('height'))) {
          const height = parseInt(style.height.replace(/px$/, ''), 10),
                width = parseInt(style.width.replace(/px$/, ''), 10);
          this.model.set('height', height);
          this.model.set('default_height', height);
          this.model.set('width', width);
          this.model.set('default_width', width);
        }

        const min_width = style['min-width'];
        const min_height = style['min-height'];
        this.model.set('min_width', min_width.endsWith('px') ? Number(min_width.replace(/px$/, '')) : 0);
        this.model.set('min_height', min_height.endsWith('px') ? Number(min_height.replace(/px$/, '')) : 0); // Initialize last known mouse position

        this.prev_pageY = 0;
        this.prev_pageX = 0;

        if (_converse.connection.connected) {
          this.height = this.model.get('height');
          this.width = this.model.get('width');
        }

        return this;
      },

      setDimensions() {
        // Make sure the chat box has the right height and width.
        this.adjustToViewport();
        this.setChatBoxHeight(this.model.get('height'));
        this.setChatBoxWidth(this.model.get('width'));
      },

      setChatBoxHeight(height) {
        const _converse = this.__super__._converse;

        if (height) {
          height = _converse.applyDragResistance(height, this.model.get('default_height')) + 'px';
        } else {
          height = "";
        }

        const flyout_el = this.el.querySelector('.box-flyout');

        if (!_.isNull(flyout_el)) {
          flyout_el.style.height = height;
        }
      },

      setChatBoxWidth(width) {
        const _converse = this.__super__._converse;

        if (width) {
          width = _converse.applyDragResistance(width, this.model.get('default_width')) + 'px';
        } else {
          width = "";
        }

        this.el.style.width = width;
        const flyout_el = this.el.querySelector('.box-flyout');

        if (!_.isNull(flyout_el)) {
          flyout_el.style.width = width;
        }
      },

      adjustToViewport() {
        /* Event handler called when viewport gets resized. We remove
         * custom width/height from chat boxes.
         */
        const viewport_width = Math.max(document.documentElement.clientWidth, window.innerWidth || 0);
        const viewport_height = Math.max(document.documentElement.clientHeight, window.innerHeight || 0);

        if (viewport_width <= 480) {
          this.model.set('height', undefined);
          this.model.set('width', undefined);
        } else if (viewport_width <= this.model.get('width')) {
          this.model.set('width', undefined);
        } else if (viewport_height <= this.model.get('height')) {
          this.model.set('height', undefined);
        }
      },

      onStartVerticalResize(ev) {
        const _converse = this.__super__._converse;

        if (!_converse.allow_dragresize) {
          return true;
        } // Record element attributes for mouseMove().


        const flyout = this.el.querySelector('.box-flyout'),
              style = window.getComputedStyle(flyout);
        this.height = parseInt(style.height.replace(/px$/, ''), 10);
        _converse.resizing = {
          'chatbox': this,
          'direction': 'top'
        };
        this.prev_pageY = ev.pageY;
      },

      onStartHorizontalResize(ev) {
        const _converse = this.__super__._converse;

        if (!_converse.allow_dragresize) {
          return true;
        }

        const flyout = this.el.querySelector('.box-flyout'),
              style = window.getComputedStyle(flyout);
        this.width = parseInt(style.width.replace(/px$/, ''), 10);
        _converse.resizing = {
          'chatbox': this,
          'direction': 'left'
        };
        this.prev_pageX = ev.pageX;
      },

      onStartDiagonalResize(ev) {
        const _converse = this.__super__._converse;
        this.onStartHorizontalResize(ev);
        this.onStartVerticalResize(ev);
        _converse.resizing.direction = 'topleft';
      },

      resizeChatBox(ev) {
        let diff;
        const _converse = this.__super__._converse;

        if (_converse.resizing.direction.indexOf('top') === 0) {
          diff = ev.pageY - this.prev_pageY;

          if (diff) {
            this.height = this.height - diff > (this.model.get('min_height') || 0) ? this.height - diff : this.model.get('min_height');
            this.prev_pageY = ev.pageY;
            this.setChatBoxHeight(this.height);
          }
        }

        if (_.includes(_converse.resizing.direction, 'left')) {
          diff = this.prev_pageX - ev.pageX;

          if (diff) {
            this.width = this.width + diff > (this.model.get('min_width') || 0) ? this.width + diff : this.model.get('min_width');
            this.prev_pageX = ev.pageX;
            this.setChatBoxWidth(this.width);
          }
        }
      }

    },
    HeadlinesBoxView: {
      events: {
        'mousedown .dragresize-top': 'onStartVerticalResize',
        'mousedown .dragresize-left': 'onStartHorizontalResize',
        'mousedown .dragresize-topleft': 'onStartDiagonalResize'
      },

      initialize() {
        window.addEventListener('resize', _.debounce(this.setDimensions.bind(this), 100));
        return this.__super__.initialize.apply(this, arguments);
      },

      render() {
        const result = this.__super__.render.apply(this, arguments);

        renderDragResizeHandles(this.__super__._converse, this);
        this.setWidth();
        return result;
      }

    },
    ControlBoxView: {
      events: {
        'mousedown .dragresize-top': 'onStartVerticalResize',
        'mousedown .dragresize-left': 'onStartHorizontalResize',
        'mousedown .dragresize-topleft': 'onStartDiagonalResize'
      },

      initialize() {
        window.addEventListener('resize', _.debounce(this.setDimensions.bind(this), 100));

        this.__super__.initialize.apply(this, arguments);
      },

      render() {
        const result = this.__super__.render.apply(this, arguments);

        renderDragResizeHandles(this.__super__._converse, this);
        this.setWidth();
        return result;
      },

      renderLoginPanel() {
        const result = this.__super__.renderLoginPanel.apply(this, arguments);

        this.initDragResize().setDimensions();
        return result;
      },

      renderControlBoxPane() {
        const result = this.__super__.renderControlBoxPane.apply(this, arguments);

        this.initDragResize().setDimensions();
        return result;
      }

    },
    ChatRoomView: {
      events: {
        'mousedown .dragresize-top': 'onStartVerticalResize',
        'mousedown .dragresize-left': 'onStartHorizontalResize',
        'mousedown .dragresize-topleft': 'onStartDiagonalResize'
      },

      initialize() {
        window.addEventListener('resize', _.debounce(this.setDimensions.bind(this), 100));

        this.__super__.initialize.apply(this, arguments);
      },

      render() {
        const result = this.__super__.render.apply(this, arguments);

        renderDragResizeHandles(this.__super__._converse, this);
        this.setWidth();
        return result;
      }

    }
  },

  initialize() {
    /* The initialize function gets called as soon as the plugin is
     * loaded by converse.js's plugin machinery.
     */
    const _converse = this._converse;

    _converse.api.settings.update({
      allow_dragresize: true
    });

    _converse.applyDragResistance = function (value, default_value) {
      /* This method applies some resistance around the
      * default_value. If value is close enough to
      * default_value, then default_value is returned instead.
      */
      if (_.isUndefined(value)) {
        return undefined;
      } else if (_.isUndefined(default_value)) {
        return value;
      }

      const resistance = 10;

      if (value !== default_value && Math.abs(value - default_value) < resistance) {
        return default_value;
      }

      return value;
    };
  }

});

/***/ }),

/***/ "./src/converse-embedded.js":
/*!**********************************!*\
  !*** ./src/converse-embedded.js ***!
  \**********************************/
/*! no exports provided */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var _converse_headless_converse_muc__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! @converse/headless/converse-muc */ "./src/headless/converse-muc.js");
/* harmony import */ var _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! @converse/headless/converse-core */ "./src/headless/converse-core.js");
// Converse.js
// http://conversejs.org
//
// Copyright (c) 2013-2018, the Converse.js developers
// Licensed under the Mozilla Public License (MPLv2)


const _converse$env = _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_1__["default"].env,
      Backbone = _converse$env.Backbone,
      _ = _converse$env._;
_converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_1__["default"].plugins.add('converse-embedded', {
  enabled(_converse) {
    return _converse.view_mode === 'embedded';
  },

  initialize() {
    /* The initialize function gets called as soon as the plugin is
     * loaded by converse.js's plugin machinery.
     */
    this._converse.api.settings.update({
      'allow_logout': false,
      // No point in logging out when we have auto_login as true.
      'allow_muc_invitations': false,
      // Doesn't make sense to allow because only
      // roster contacts can be invited
      'hide_muc_server': true
    });

    const _converse = this._converse;

    if (!_.isArray(_converse.auto_join_rooms) && !_.isArray(_converse.auto_join_private_chats)) {
      throw new Error("converse-embedded: auto_join_rooms must be an Array");
    }

    if (_converse.auto_join_rooms.length > 1 && _converse.auto_join_private_chats.length > 1) {
      throw new Error("converse-embedded: It doesn't make " + "sense to have the auto_join_rooms setting more then one, " + "since only one chat room can be open at any time.");
    }
  }

});

/***/ }),

/***/ "./src/converse-fullscreen.js":
/*!************************************!*\
  !*** ./src/converse-fullscreen.js ***!
  \************************************/
/*! no exports provided */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var _converse_headless_converse_muc__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! @converse/headless/converse-muc */ "./src/headless/converse-muc.js");
/* harmony import */ var converse_chatview__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! converse-chatview */ "./src/converse-chatview.js");
/* harmony import */ var converse_controlbox__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! converse-controlbox */ "./src/converse-controlbox.js");
/* harmony import */ var converse_singleton__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! converse-singleton */ "./src/converse-singleton.js");
/* harmony import */ var _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! @converse/headless/converse-core */ "./src/headless/converse-core.js");
/* harmony import */ var templates_inverse_brand_heading_html__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(/*! templates/inverse_brand_heading.html */ "./src/templates/inverse_brand_heading.html");
/* harmony import */ var templates_inverse_brand_heading_html__WEBPACK_IMPORTED_MODULE_5___default = /*#__PURE__*/__webpack_require__.n(templates_inverse_brand_heading_html__WEBPACK_IMPORTED_MODULE_5__);
// Converse.js (A browser based XMPP chat client)
// http://conversejs.org
//
// Copyright (c) JC Brand <jc@opkode.com>
// Licensed under the Mozilla Public License (MPLv2)
//






const _converse$env = _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_4__["default"].env,
      Strophe = _converse$env.Strophe,
      _ = _converse$env._;
_converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_4__["default"].plugins.add('converse-fullscreen', {
  enabled(_converse) {
    return _.includes(['fullscreen', 'embedded'], _converse.view_mode);
  },

  overrides: {
    // overrides mentioned here will be picked up by converse.js's
    // plugin architecture they will replace existing methods on the
    // relevant objects or classes.
    //
    // new functions which don't exist yet can also be added.
    ControlBoxView: {
      createBrandHeadingHTML() {
        const _converse = this.__super__._converse;
        return templates_inverse_brand_heading_html__WEBPACK_IMPORTED_MODULE_5___default()({
          'version_name': _converse.VERSION_NAME
        });
      },

      insertBrandHeading() {
        const _converse = this.__super__._converse;

        const el = _converse.root.getElementById('converse-login-panel');

        el.parentNode.insertAdjacentHTML('afterbegin', this.createBrandHeadingHTML());
      }

    }
  },

  initialize() {
    this._converse.api.settings.update({
      chatview_avatar_height: 50,
      chatview_avatar_width: 50,
      hide_open_bookmarks: true,
      show_controlbox_by_default: true,
      sticky_controlbox: true
    });
  }

});

/***/ }),

/***/ "./src/converse-headline.js":
/*!**********************************!*\
  !*** ./src/converse-headline.js ***!
  \**********************************/
/*! no exports provided */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var converse_chatview__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! converse-chatview */ "./src/converse-chatview.js");
/* harmony import */ var _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! @converse/headless/converse-core */ "./src/headless/converse-core.js");
/* harmony import */ var templates_chatbox_html__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! templates/chatbox.html */ "./src/templates/chatbox.html");
/* harmony import */ var templates_chatbox_html__WEBPACK_IMPORTED_MODULE_2___default = /*#__PURE__*/__webpack_require__.n(templates_chatbox_html__WEBPACK_IMPORTED_MODULE_2__);
// Converse.js (A browser based XMPP chat client)
// http://conversejs.org
//
// Copyright (c) 2012-2017, Jan-Carel Brand <jc@opkode.com>
// Licensed under the Mozilla Public License (MPLv2)



const _converse$env = _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_1__["default"].env,
      _ = _converse$env._,
      utils = _converse$env.utils;
_converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_1__["default"].plugins.add('converse-headline', {
  /* Plugin dependencies are other plugins which might be
   * overridden or relied upon, and therefore need to be loaded before
   * this plugin.
   *
   * If the setting "strict_plugin_dependencies" is set to true,
   * an error will be raised if the plugin is not found. By default it's
   * false, which means these plugins are only loaded opportunistically.
   *
   * NB: These plugins need to have already been loaded via require.js.
   */
  dependencies: ["converse-chatview"],
  overrides: {
    // Overrides mentioned here will be picked up by converse.js's
    // plugin architecture they will replace existing methods on the
    // relevant objects or classes.
    //
    // New functions which don't exist yet can also be added.
    ChatBoxes: {
      model(attrs, options) {
        const _converse = this.__super__._converse;

        if (attrs.type == _converse.HEADLINES_TYPE) {
          return new _converse.HeadlinesBox(attrs, options);
        } else {
          return this.__super__.model.apply(this, arguments);
        }
      }

    }
  },

  initialize() {
    /* The initialize function gets called as soon as the plugin is
     * loaded by converse.js's plugin machinery.
     */
    const _converse = this._converse,
          __ = _converse.__;
    _converse.HeadlinesBox = _converse.ChatBox.extend({
      defaults: {
        'type': _converse.HEADLINES_TYPE,
        'bookmarked': false,
        'chat_state': undefined,
        'num_unread': 0,
        'url': ''
      }
    });
    _converse.HeadlinesBoxView = _converse.ChatBoxView.extend({
      className: 'chatbox headlines',
      events: {
        'click .close-chatbox-button': 'close',
        'click .toggle-chatbox-button': 'minimize',
        'keypress textarea.chat-textarea': 'keyPressed'
      },

      initialize() {
        this.initDebounced();
        this.disable_mam = true; // Don't do MAM queries for this box

        this.model.messages.on('add', this.onMessageAdded, this);
        this.model.on('show', this.show, this);
        this.model.on('destroy', this.hide, this);
        this.model.on('change:minimized', this.onMinimizedChanged, this);
        this.render().insertHeading().fetchMessages().insertIntoDOM().hide();

        _converse.emit('chatBoxOpened', this);

        _converse.emit('chatBoxInitialized', this);
      },

      render() {
        this.el.setAttribute('id', this.model.get('box_id'));
        this.el.innerHTML = templates_chatbox_html__WEBPACK_IMPORTED_MODULE_2___default()(_.extend(this.model.toJSON(), {
          info_close: '',
          label_personal_message: '',
          show_send_button: false,
          show_toolbar: false,
          unread_msgs: ''
        }));
        this.content = this.el.querySelector('.chat-content');
        return this;
      },

      // Override to avoid the methods in converse-chatview.js
      'renderMessageForm': _.noop,
      'afterShown': _.noop
    });

    function onHeadlineMessage(message) {
      /* Handler method for all incoming messages of type "headline". */
      const from_jid = message.getAttribute('from');

      if (utils.isHeadlineMessage(_converse, message)) {
        if (_.includes(from_jid, '@') && !_converse.api.contacts.get(from_jid) && !_converse.allow_non_roster_messaging) {
          return;
        }

        if (_.isNull(message.querySelector('body'))) {
          // Avoid creating a chat box if we have nothing to show
          // inside it.
          return;
        }

        const chatbox = _converse.chatboxes.create({
          'id': from_jid,
          'jid': from_jid,
          'type': _converse.HEADLINES_TYPE,
          'from': from_jid
        });

        chatbox.createMessage(message, message);

        _converse.emit('message', {
          'chatbox': chatbox,
          'stanza': message
        });
      }

      return true;
    }

    function registerHeadlineHandler() {
      _converse.connection.addHandler(onHeadlineMessage, null, 'message');
    }

    _converse.on('connected', registerHeadlineHandler);

    _converse.on('reconnected', registerHeadlineHandler);

    _converse.on('chatBoxViewsInitialized', () => {
      const that = _converse.chatboxviews;

      _converse.chatboxes.on('add', item => {
        if (!that.get(item.get('id')) && item.get('type') === _converse.HEADLINES_TYPE) {
          that.add(item.get('id'), new _converse.HeadlinesBoxView({
            model: item
          }));
        }
      });
    });
  }

});

/***/ }),

/***/ "./src/converse-message-view.js":
/*!**************************************!*\
  !*** ./src/converse-message-view.js ***!
  \**************************************/
/*! no exports provided */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! @converse/headless/converse-core */ "./src/headless/converse-core.js");
/* harmony import */ var filesize__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! filesize */ "./node_modules/filesize/lib/filesize.js");
/* harmony import */ var filesize__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(filesize__WEBPACK_IMPORTED_MODULE_1__);
/* harmony import */ var _utils_html__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./utils/html */ "./src/utils/html.js");
/* harmony import */ var templates_csn_html__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! templates/csn.html */ "./src/templates/csn.html");
/* harmony import */ var templates_csn_html__WEBPACK_IMPORTED_MODULE_3___default = /*#__PURE__*/__webpack_require__.n(templates_csn_html__WEBPACK_IMPORTED_MODULE_3__);
/* harmony import */ var templates_file_progress_html__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! templates/file_progress.html */ "./src/templates/file_progress.html");
/* harmony import */ var templates_file_progress_html__WEBPACK_IMPORTED_MODULE_4___default = /*#__PURE__*/__webpack_require__.n(templates_file_progress_html__WEBPACK_IMPORTED_MODULE_4__);
/* harmony import */ var templates_info_html__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(/*! templates/info.html */ "./src/templates/info.html");
/* harmony import */ var templates_info_html__WEBPACK_IMPORTED_MODULE_5___default = /*#__PURE__*/__webpack_require__.n(templates_info_html__WEBPACK_IMPORTED_MODULE_5__);
/* harmony import */ var templates_message_html__WEBPACK_IMPORTED_MODULE_6__ = __webpack_require__(/*! templates/message.html */ "./src/templates/message.html");
/* harmony import */ var templates_message_html__WEBPACK_IMPORTED_MODULE_6___default = /*#__PURE__*/__webpack_require__.n(templates_message_html__WEBPACK_IMPORTED_MODULE_6__);
/* harmony import */ var templates_message_versions_modal_html__WEBPACK_IMPORTED_MODULE_7__ = __webpack_require__(/*! templates/message_versions_modal.html */ "./src/templates/message_versions_modal.html");
/* harmony import */ var templates_message_versions_modal_html__WEBPACK_IMPORTED_MODULE_7___default = /*#__PURE__*/__webpack_require__.n(templates_message_versions_modal_html__WEBPACK_IMPORTED_MODULE_7__);
/* harmony import */ var _converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_8__ = __webpack_require__(/*! @converse/headless/utils/emoji */ "./src/headless/utils/emoji.js");
/* harmony import */ var xss__WEBPACK_IMPORTED_MODULE_9__ = __webpack_require__(/*! xss */ "./node_modules/xss/dist/xss.js");
/* harmony import */ var xss__WEBPACK_IMPORTED_MODULE_9___default = /*#__PURE__*/__webpack_require__.n(xss__WEBPACK_IMPORTED_MODULE_9__);
// Converse.js
// https://conversejs.org
//
// Copyright (c) 2013-2018, the Converse.js developers
// Licensed under the Mozilla Public License (MPLv2)










const _converse$env = _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_0__["default"].env,
      Backbone = _converse$env.Backbone,
      _ = _converse$env._,
      moment = _converse$env.moment;
_converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_0__["default"].plugins.add('converse-message-view', {
  dependencies: ["converse-modal"],

  initialize() {
    /* The initialize function gets called as soon as the plugin is
     * loaded by converse.js's plugin machinery.
     */
    const _converse = this._converse,
          __ = _converse.__;

    _converse.api.settings.update({
      'show_images_inline': true
    });

    _converse.MessageVersionsModal = _converse.BootstrapModal.extend({
      toHTML() {
        return templates_message_versions_modal_html__WEBPACK_IMPORTED_MODULE_7___default()(_.extend(this.model.toJSON(), {
          '__': __
        }));
      }

    });
    _converse.MessageView = _converse.ViewWithAvatar.extend({
      events: {
        'click .chat-msg__edit-modal': 'showMessageVersionsModal'
      },

      initialize() {
        if (this.model.vcard) {
          this.model.vcard.on('change', this.render, this);
        }

        this.model.on('change', this.onChanged, this);
        this.model.on('destroy', this.remove, this);
      },

      async render() {
        const is_followup = _converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_8__["default"].hasClass('chat-msg--followup', this.el);

        if (this.model.isOnlyChatStateNotification()) {
          this.renderChatStateNotification();
        } else if (this.model.get('file') && !this.model.get('oob_url')) {
          if (!this.model.file) {
            _converse.log("Attempted to render a file upload message with no file data");

            return this.el;
          }

          this.renderFileUploadProgresBar();
        } else if (this.model.get('type') === 'error') {
          this.renderErrorMessage();
        } else {
          await this.renderChatMessage();
        }

        if (is_followup) {
          _converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_8__["default"].addClass('chat-msg--followup', this.el);
        }

        return this.el;
      },

      async onChanged(item) {
        // Jot down whether it was edited because the `changed`
        // attr gets removed when this.render() gets called further
        // down.
        const edited = item.changed.edited;

        if (this.model.changed.progress) {
          return this.renderFileUploadProgresBar();
        }

        if (_.filter(['correcting', 'message', 'type', 'upload', 'received'], prop => Object.prototype.hasOwnProperty.call(this.model.changed, prop)).length) {
          await this.render();
        }

        if (edited) {
          this.onMessageEdited();
        }
      },

      onMessageEdited() {
        if (this.model.get('is_archived')) {
          return;
        }

        this.el.addEventListener('animationend', () => _converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_8__["default"].removeClass('onload', this.el));
        _converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_8__["default"].addClass('onload', this.el);
      },

      replaceElement(msg) {
        if (!_.isNil(this.el.parentElement)) {
          this.el.parentElement.replaceChild(msg, this.el);
        }

        this.setElement(msg);
        return this.el;
      },

      async renderChatMessage() {
        const is_me_message = this.isMeCommand(),
              moment_time = moment(this.model.get('time')),
              role = this.model.vcard ? this.model.vcard.get('role') : null,
              roles = role ? role.split(',') : [];
        const msg = _converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_8__["default"].stringToElement(templates_message_html__WEBPACK_IMPORTED_MODULE_6___default()(_.extend(this.model.toJSON(), {
          '__': __,
          'is_me_message': is_me_message,
          'roles': roles,
          'pretty_time': moment_time.format(_converse.time_format),
          'time': moment_time.format(),
          'extra_classes': this.getExtraMessageClasses(),
          'label_show': __('Show more'),
          'username': this.model.getDisplayName()
        })));
        const url = this.model.get('oob_url');

        if (url) {
          msg.querySelector('.chat-msg__media').innerHTML = _.flow(_.partial(_converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_8__["default"].renderFileURL, _converse), _.partial(_converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_8__["default"].renderMovieURL, _converse), _.partial(_converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_8__["default"].renderAudioURL, _converse), _.partial(_converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_8__["default"].renderImageURL, _converse))(url);
        }

        let text = this.getMessageText();
        const msg_content = msg.querySelector('.chat-msg__text');

        if (text && text !== url) {
          if (is_me_message) {
            text = text.substring(4);
          }

          text = xss__WEBPACK_IMPORTED_MODULE_9___default.a.filterXSS(text, {
            'whiteList': {}
          });
          msg_content.innerHTML = _.flow(_.partial(_converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_8__["default"].geoUriToHttp, _, _converse.geouri_replacement), _.partial(_converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_8__["default"].addMentionsMarkup, _, this.model.get('references'), this.model.collection.chatbox), _converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_8__["default"].addHyperlinks, _converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_8__["default"].renderNewLines, _.partial(_converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_8__["default"].addEmoji, _converse, _))(text);
        }

        const promise = _converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_8__["default"].renderImageURLs(_converse, msg_content);

        if (this.model.get('type') !== 'headline') {
          this.renderAvatar(msg);
        }

        await promise;
        this.replaceElement(msg);
        this.model.collection.trigger('rendered', this);
      },

      renderErrorMessage() {
        const moment_time = moment(this.model.get('time')),
              msg = _converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_8__["default"].stringToElement(templates_info_html__WEBPACK_IMPORTED_MODULE_5___default()(_.extend(this.model.toJSON(), {
          'extra_classes': 'chat-error',
          'isodate': moment_time.format()
        })));
        return this.replaceElement(msg);
      },

      renderChatStateNotification() {
        let text;
        const from = this.model.get('from'),
              name = this.model.getDisplayName();

        if (this.model.get('chat_state') === _converse.COMPOSING) {
          if (this.model.get('sender') === 'me') {
            text = __('Typing from another device');
          } else {
            text = __('%1$s is typing', name);
          }
        } else if (this.model.get('chat_state') === _converse.PAUSED) {
          if (this.model.get('sender') === 'me') {
            text = __('Stopped typing on the other device');
          } else {
            text = __('%1$s has stopped typing', name);
          }
        } else if (this.model.get('chat_state') === _converse.GONE) {
          text = __('%1$s has gone away', name);
        } else {
          return;
        }

        const isodate = moment().format();
        this.replaceElement(_converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_8__["default"].stringToElement(templates_csn_html__WEBPACK_IMPORTED_MODULE_3___default()({
          'message': text,
          'from': from,
          'isodate': isodate
        })));
      },

      renderFileUploadProgresBar() {
        const msg = _converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_8__["default"].stringToElement(templates_file_progress_html__WEBPACK_IMPORTED_MODULE_4___default()(_.extend(this.model.toJSON(), {
          '__': __,
          'filename': this.model.file.name,
          'filesize': filesize__WEBPACK_IMPORTED_MODULE_1___default()(this.model.file.size)
        })));
        this.replaceElement(msg);
        this.renderAvatar();
      },

      showMessageVersionsModal(ev) {
        ev.preventDefault();

        if (_.isUndefined(this.model.message_versions_modal)) {
          this.model.message_versions_modal = new _converse.MessageVersionsModal({
            'model': this.model
          });
        }

        this.model.message_versions_modal.show(ev);
      },

      getMessageText() {
        if (this.model.get('is_encrypted')) {
          return this.model.get('plaintext') || (_converse.debug ? __('Unencryptable OMEMO message') : null);
        }

        return this.model.get('message');
      },

      isMeCommand() {
        const text = this.getMessageText();

        if (!text) {
          return false;
        }

        return text.startsWith('/me ');
      },

      processMessageText() {
        var text = this.get('message');
        text = _converse_headless_utils_emoji__WEBPACK_IMPORTED_MODULE_8__["default"].geoUriToHttp(text, _converse.geouri_replacement);
      },

      getExtraMessageClasses() {
        let extra_classes = this.model.get('is_delayed') && 'delayed' || '';

        if (this.model.get('type') === 'groupchat' && this.model.get('sender') === 'them') {
          if (this.model.collection.chatbox.isUserMentioned(this.model)) {
            // Add special class to mark groupchat messages
            // in which we are mentioned.
            extra_classes += ' mentioned';
          }
        }

        if (this.model.get('correcting')) {
          extra_classes += ' correcting';
        }

        return extra_classes;
      }

    });
  }

});

/***/ }),

/***/ "./src/converse-minimize.js":
/*!**********************************!*\
  !*** ./src/converse-minimize.js ***!
  \**********************************/
/*! no exports provided */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var converse_chatview__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! converse-chatview */ "./src/converse-chatview.js");
/* harmony import */ var _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! @converse/headless/converse-core */ "./src/headless/converse-core.js");
/* harmony import */ var templates_chatbox_minimize_html__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! templates/chatbox_minimize.html */ "./src/templates/chatbox_minimize.html");
/* harmony import */ var templates_chatbox_minimize_html__WEBPACK_IMPORTED_MODULE_2___default = /*#__PURE__*/__webpack_require__.n(templates_chatbox_minimize_html__WEBPACK_IMPORTED_MODULE_2__);
/* harmony import */ var templates_chats_panel_html__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! templates/chats_panel.html */ "./src/templates/chats_panel.html");
/* harmony import */ var templates_chats_panel_html__WEBPACK_IMPORTED_MODULE_3___default = /*#__PURE__*/__webpack_require__.n(templates_chats_panel_html__WEBPACK_IMPORTED_MODULE_3__);
/* harmony import */ var templates_toggle_chats_html__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! templates/toggle_chats.html */ "./src/templates/toggle_chats.html");
/* harmony import */ var templates_toggle_chats_html__WEBPACK_IMPORTED_MODULE_4___default = /*#__PURE__*/__webpack_require__.n(templates_toggle_chats_html__WEBPACK_IMPORTED_MODULE_4__);
/* harmony import */ var templates_trimmed_chat_html__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(/*! templates/trimmed_chat.html */ "./src/templates/trimmed_chat.html");
/* harmony import */ var templates_trimmed_chat_html__WEBPACK_IMPORTED_MODULE_5___default = /*#__PURE__*/__webpack_require__.n(templates_trimmed_chat_html__WEBPACK_IMPORTED_MODULE_5__);
// Converse.js (A browser based XMPP chat client)
// http://conversejs.org
//
// Copyright (c) 2013-2018, Jan-Carel Brand <jc@opkode.com>
// Licensed under the Mozilla Public License (MPLv2)






const _converse$env = _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_1__["default"].env,
      _ = _converse$env._,
      Backbone = _converse$env.Backbone,
      Promise = _converse$env.Promise,
      Strophe = _converse$env.Strophe,
      b64_sha1 = _converse$env.b64_sha1,
      moment = _converse$env.moment;
const u = _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_1__["default"].env.utils;
_converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_1__["default"].plugins.add('converse-minimize', {
  /* Optional dependencies are other plugins which might be
   * overridden or relied upon, and therefore need to be loaded before
   * this plugin. They are called "optional" because they might not be
   * available, in which case any overrides applicable to them will be
   * ignored.
   *
   * It's possible however to make optional dependencies non-optional.
   * If the setting "strict_plugin_dependencies" is set to true,
   * an error will be raised if the plugin is not found.
   *
   * NB: These plugins need to have already been loaded via require.js.
   */
  dependencies: ["converse-chatview", "converse-controlbox", "converse-muc", "converse-muc-views", "converse-headline"],

  enabled(_converse) {
    return _converse.view_mode === 'overlayed';
  },

  overrides: {
    // Overrides mentioned here will be picked up by converse.js's
    // plugin architecture they will replace existing methods on the
    // relevant objects or classes.
    //
    // New functions which don't exist yet can also be added.
    ChatBox: {
      initialize() {
        this.__super__.initialize.apply(this, arguments);

        this.on('show', this.maximize, this);

        if (this.get('id') === 'controlbox') {
          return;
        }

        this.save({
          'minimized': this.get('minimized') || false,
          'time_minimized': this.get('time_minimized') || moment()
        });
      },

      maximize() {
        u.safeSave(this, {
          'minimized': false,
          'time_opened': moment().valueOf()
        });
      },

      minimize() {
        u.safeSave(this, {
          'minimized': true,
          'time_minimized': moment().format()
        });
      }

    },
    ChatBoxView: {
      events: {
        'click .toggle-chatbox-button': 'minimize'
      },

      initialize() {
        this.model.on('change:minimized', this.onMinimizedChanged, this);
        return this.__super__.initialize.apply(this, arguments);
      },

      _show() {
        const _converse = this.__super__._converse;

        if (_converse.view_mode !== 'overlayed') {
          return this.__super__._show.apply(this, arguments);
        } else if (!this.model.get('minimized')) {
          this.__super__._show.apply(this, arguments);

          _converse.chatboxviews.trimChats(this);
        } else {
          this.minimize();
        }
      },

      isNewMessageHidden() {
        return this.model.get('minimized') || this.__super__.isNewMessageHidden.apply(this, arguments);
      },

      shouldShowOnTextMessage() {
        return !this.model.get('minimized') && this.__super__.shouldShowOnTextMessage.apply(this, arguments);
      },

      setChatBoxHeight(height) {
        if (!this.model.get('minimized')) {
          return this.__super__.setChatBoxHeight.apply(this, arguments);
        }
      },

      setChatBoxWidth(width) {
        if (!this.model.get('minimized')) {
          return this.__super__.setChatBoxWidth.apply(this, arguments);
        }
      },

      onMinimizedChanged(item) {
        if (item.get('minimized')) {
          this.minimize();
        } else {
          this.maximize();
        }
      },

      maximize() {
        // Restores a minimized chat box
        const _converse = this.__super__._converse;
        this.insertIntoDOM();

        if (!this.model.isScrolledUp()) {
          this.model.clearUnreadMsgCounter();
        }

        this.show();

        this.__super__._converse.emit('chatBoxMaximized', this);

        return this;
      },

      minimize(ev) {
        const _converse = this.__super__._converse;

        if (ev && ev.preventDefault) {
          ev.preventDefault();
        } // save the scroll position to restore it on maximize


        if (this.model.collection && this.model.collection.browserStorage) {
          this.model.save({
            'scroll': this.content.scrollTop
          });
        } else {
          this.model.set({
            'scroll': this.content.scrollTop
          });
        }

        this.setChatState(_converse.INACTIVE).model.minimize();
        this.hide();

        _converse.emit('chatBoxMinimized', this);
      }

    },
    ChatBoxHeading: {
      render() {
        const _converse = this.__super__._converse,
              __ = _converse.__;

        const result = this.__super__.render.apply(this, arguments);

        const new_html = templates_chatbox_minimize_html__WEBPACK_IMPORTED_MODULE_2___default()({
          info_minimize: __('Minimize this chat box')
        });
        const el = this.el.querySelector('.toggle-chatbox-button');

        if (el) {
          el.outerHTML = new_html;
        } else {
          const button = this.el.querySelector('.close-chatbox-button');
          button.insertAdjacentHTML('afterEnd', new_html);
        }
      }

    },
    ChatRoomView: {
      events: {
        'click .toggle-chatbox-button': 'minimize'
      },

      initialize() {
        this.model.on('change:minimized', function (item) {
          if (item.get('minimized')) {
            this.hide();
          } else {
            this.maximize();
          }
        }, this);

        const result = this.__super__.initialize.apply(this, arguments);

        if (this.model.get('minimized')) {
          this.hide();
        }

        return result;
      },

      generateHeadingHTML() {
        const _converse = this.__super__._converse,
              __ = _converse.__;

        const html = this.__super__.generateHeadingHTML.apply(this, arguments);

        const div = document.createElement('div');
        div.innerHTML = html;
        const button = div.querySelector('.close-chatbox-button');
        button.insertAdjacentHTML('afterend', templates_chatbox_minimize_html__WEBPACK_IMPORTED_MODULE_2___default()({
          'info_minimize': __('Minimize this chat box')
        }));
        return div.innerHTML;
      }

    },
    ChatBoxes: {
      chatBoxMayBeShown(chatbox) {
        return this.__super__.chatBoxMayBeShown.apply(this, arguments) && !chatbox.get('minimized');
      }

    },
    ChatBoxViews: {
      getChatBoxWidth(view) {
        if (!view.model.get('minimized') && u.isVisible(view.el)) {
          return u.getOuterWidth(view.el, true);
        }

        return 0;
      },

      getShownChats() {
        return this.filter(view => // The controlbox can take a while to close,
        // so we need to check its state. That's why we checked
        // the 'closed' state.
        !view.model.get('minimized') && !view.model.get('closed') && u.isVisible(view.el));
      },

      async trimChats(newchat) {
        /* This method is called when a newly created chat box will
         * be shown.
         *
         * It checks whether there is enough space on the page to show
         * another chat box. Otherwise it minimizes the oldest chat box
         * to create space.
         */
        const _converse = this.__super__._converse,
              shown_chats = this.getShownChats(),
              body_width = u.getOuterWidth(document.querySelector('body'), true);

        if (_converse.no_trimming || shown_chats.length <= 1) {
          return;
        }

        if (this.getChatBoxWidth(shown_chats[0]) === body_width) {
          // If the chats shown are the same width as the body,
          // then we're in responsive mode and the chats are
          // fullscreen. In this case we don't trim.
          return;
        }

        await _converse.api.waitUntil('minimizedChatsInitialized');

        const minimized_el = _.get(_converse.minimized_chats, 'el'),
              new_id = newchat ? newchat.model.get('id') : null;

        if (minimized_el) {
          const minimized_width = _.includes(this.model.pluck('minimized'), true) ? u.getOuterWidth(minimized_el, true) : 0;

          const boxes_width = _.reduce(this.xget(new_id), (memo, view) => memo + this.getChatBoxWidth(view), newchat ? u.getOuterWidth(newchat.el, true) : 0);

          if (minimized_width + boxes_width > body_width) {
            const oldest_chat = this.getOldestMaximizedChat([new_id]);

            if (oldest_chat) {
              // We hide the chat immediately, because waiting
              // for the event to fire (and letting the
              // ChatBoxView hide it then) causes race
              // conditions.
              const view = this.get(oldest_chat.get('id'));

              if (view) {
                view.hide();
              }

              oldest_chat.minimize();
            }
          }
        }
      },

      getOldestMaximizedChat(exclude_ids) {
        // Get oldest view (if its id is not excluded)
        exclude_ids.push('controlbox');
        let i = 0;
        let model = this.model.sort().at(i);

        while (_.includes(exclude_ids, model.get('id')) || model.get('minimized') === true) {
          i++;
          model = this.model.at(i);

          if (!model) {
            return null;
          }
        }

        return model;
      }

    }
  },

  initialize() {
    /* The initialize function gets called as soon as the plugin is
     * loaded by Converse.js's plugin machinery.
     */
    const _converse = this._converse,
          __ = _converse.__; // Add new HTML templates.

    _converse.templates.chatbox_minimize = templates_chatbox_minimize_html__WEBPACK_IMPORTED_MODULE_2___default.a;
    _converse.templates.toggle_chats = templates_toggle_chats_html__WEBPACK_IMPORTED_MODULE_4___default.a;
    _converse.templates.trimmed_chat = templates_trimmed_chat_html__WEBPACK_IMPORTED_MODULE_5___default.a;
    _converse.templates.chats_panel = templates_chats_panel_html__WEBPACK_IMPORTED_MODULE_3___default.a;

    _converse.api.settings.update({
      no_trimming: false // Set to true for phantomjs tests (where browser apparently has no width)

    });

    _converse.api.promises.add('minimizedChatsInitialized');

    _converse.MinimizedChatBoxView = Backbone.NativeView.extend({
      tagName: 'div',
      className: 'chat-head row no-gutters',
      events: {
        'click .close-chatbox-button': 'close',
        'click .restore-chat': 'restore'
      },

      initialize() {
        this.model.on('change:num_unread', this.render, this);
      },

      render() {
        const data = _.extend(this.model.toJSON(), {
          'tooltip': __('Click to restore this chat')
        });

        if (this.model.get('type') === 'chatroom') {
          data.title = this.model.get('name');
          u.addClass('chat-head-chatroom', this.el);
        } else {
          data.title = this.model.get('fullname');
          u.addClass('chat-head-chatbox', this.el);
        }

        this.el.innerHTML = templates_trimmed_chat_html__WEBPACK_IMPORTED_MODULE_5___default()(data);
        return this.el;
      },

      close(ev) {
        if (ev && ev.preventDefault) {
          ev.preventDefault();
        }

        this.remove();

        const view = _converse.chatboxviews.get(this.model.get('id'));

        if (view) {
          // This will call model.destroy(), removing it from the
          // collection and will also emit 'chatBoxClosed'
          view.close();
        } else {
          this.model.destroy();

          _converse.emit('chatBoxClosed', this);
        }

        return this;
      },

      restore: _.debounce(function (ev) {
        if (ev && ev.preventDefault) {
          ev.preventDefault();
        }

        this.model.off('change:num_unread', null, this);
        this.remove();
        this.model.maximize();
      }, 200, {
        'leading': true
      })
    });
    _converse.MinimizedChats = Backbone.Overview.extend({
      tagName: 'div',
      id: "minimized-chats",
      className: 'hidden',
      events: {
        "click #toggle-minimized-chats": "toggle"
      },

      initialize() {
        this.render();
        this.initToggle();
        this.addMultipleChats(this.model.where({
          'minimized': true
        }));
        this.model.on("add", this.onChanged, this);
        this.model.on("destroy", this.removeChat, this);
        this.model.on("change:minimized", this.onChanged, this);
        this.model.on('change:num_unread', this.updateUnreadMessagesCounter, this);
      },

      render() {
        if (!this.el.parentElement) {
          this.el.innerHTML = templates_chats_panel_html__WEBPACK_IMPORTED_MODULE_3___default()();

          _converse.chatboxviews.insertRowColumn(this.el);
        }

        if (this.keys().length === 0) {
          this.el.classList.add('hidden');
        } else if (this.keys().length > 0 && !u.isVisible(this.el)) {
          this.el.classList.remove('hidden');

          _converse.chatboxviews.trimChats();
        }

        return this.el;
      },

      tearDown() {
        this.model.off("add", this.onChanged);
        this.model.off("destroy", this.removeChat);
        this.model.off("change:minimized", this.onChanged);
        this.model.off('change:num_unread', this.updateUnreadMessagesCounter);
        return this;
      },

      initToggle() {
        const storage = _converse.config.get('storage'),
              id = b64_sha1(`converse.minchatstoggle${_converse.bare_jid}`);

        this.toggleview = new _converse.MinimizedChatsToggleView({
          'model': new _converse.MinimizedChatsToggle({
            'id': id
          })
        });
        this.toggleview.model.browserStorage = new Backbone.BrowserStorage[storage](id);
        this.toggleview.model.fetch();
      },

      toggle(ev) {
        if (ev && ev.preventDefault) {
          ev.preventDefault();
        }

        this.toggleview.model.save({
          'collapsed': !this.toggleview.model.get('collapsed')
        });
        u.slideToggleElement(this.el.querySelector('.minimized-chats-flyout'), 200);
      },

      onChanged(item) {
        if (item.get('id') === 'controlbox') {
          // The ControlBox has it's own minimize toggle
          return;
        }

        if (item.get('minimized')) {
          this.addChat(item);
        } else if (this.get(item.get('id'))) {
          this.removeChat(item);
        }
      },

      addChatView(item) {
        const existing = this.get(item.get('id'));

        if (existing && existing.el.parentNode) {
          return;
        }

        const view = new _converse.MinimizedChatBoxView({
          model: item
        });
        this.el.querySelector('.minimized-chats-flyout').insertAdjacentElement('beforeEnd', view.render());
        this.add(item.get('id'), view);
      },

      addMultipleChats(items) {
        _.each(items, this.addChatView.bind(this));

        this.toggleview.model.set({
          'num_minimized': this.keys().length
        });
        this.render();
      },

      addChat(item) {
        this.addChatView(item);
        this.toggleview.model.set({
          'num_minimized': this.keys().length
        });
        this.render();
      },

      removeChat(item) {
        this.remove(item.get('id'));
        this.toggleview.model.set({
          'num_minimized': this.keys().length
        });
        this.render();
      },

      updateUnreadMessagesCounter() {
        this.toggleview.model.save({
          'num_unread': _.sum(this.model.pluck('num_unread'))
        });
        this.render();
      }

    });
    _converse.MinimizedChatsToggle = Backbone.Model.extend({
      defaults: {
        'collapsed': false,
        'num_minimized': 0,
        'num_unread': 0
      }
    });
    _converse.MinimizedChatsToggleView = Backbone.NativeView.extend({
      el: '#toggle-minimized-chats',

      initialize() {
        this.model.on('change:num_minimized', this.render, this);
        this.model.on('change:num_unread', this.render, this);
        this.flyout = this.el.parentElement.querySelector('.minimized-chats-flyout');
      },

      render() {
        this.el.innerHTML = templates_toggle_chats_html__WEBPACK_IMPORTED_MODULE_4___default()(_.extend(this.model.toJSON(), {
          'Minimized': __('Minimized')
        }));

        if (this.model.get('collapsed')) {
          u.hideElement(this.flyout);
        } else {
          u.showElement(this.flyout);
        }

        return this.el;
      }

    });
    Promise.all([_converse.api.waitUntil('connectionInitialized'), _converse.api.waitUntil('chatBoxViewsInitialized')]).then(() => {
      _converse.minimized_chats = new _converse.MinimizedChats({
        model: _converse.chatboxes
      });

      _converse.emit('minimizedChatsInitialized');
    }).catch(_.partial(_converse.log, _, Strophe.LogLevel.FATAL));

    const debouncedTrim = _.debounce(ev => {
      if (_converse.view_mode !== 'overlayed' || !_converse.chatboxviews.trimChats) {
        return;
      }

      if (_converse.connection.connected) {
        _converse.chatboxviews.trimChats();
      }
    }, 200);

    _converse.api.listen.on('registeredGlobalEventHandlers', () => window.addEventListener("resize", debouncedTrim));

    _converse.api.listen.on('unregisteredGlobalEventHandlers', () => window.removeEventListener("resize", debouncedTrim));

    _converse.api.listen.on('controlBoxOpened', function (chatbox) {
      // Wrapped in anon method because at scan time, chatboxviews
      // attr not set yet.
      if (_converse.connection.connected) {
        _converse.chatboxviews.trimChats(chatbox);
      }
    });
  }

});

/***/ }),

/***/ "./src/converse-modal.js":
/*!*******************************!*\
  !*** ./src/converse-modal.js ***!
  \*******************************/
/*! no exports provided */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var backbone_vdomview__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! backbone.vdomview */ "./node_modules/backbone.vdomview/backbone.vdomview.js");
/* harmony import */ var backbone_vdomview__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(backbone_vdomview__WEBPACK_IMPORTED_MODULE_0__);
/* harmony import */ var bootstrap__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! bootstrap */ "./node_modules/bootstrap.native/dist/bootstrap-native-v4.js");
/* harmony import */ var bootstrap__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(bootstrap__WEBPACK_IMPORTED_MODULE_1__);
/* harmony import */ var _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! @converse/headless/converse-core */ "./src/headless/converse-core.js");
/* harmony import */ var templates_alert_modal_html__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! templates/alert_modal.html */ "./src/templates/alert_modal.html");
/* harmony import */ var templates_alert_modal_html__WEBPACK_IMPORTED_MODULE_3___default = /*#__PURE__*/__webpack_require__.n(templates_alert_modal_html__WEBPACK_IMPORTED_MODULE_3__);
// Converse.js
// http://conversejs.org
//
// Copyright (c) 2013-2018, the Converse.js developers
// Licensed under the Mozilla Public License (MPLv2)




const _converse$env = _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_2__["default"].env,
      Strophe = _converse$env.Strophe,
      Backbone = _converse$env.Backbone,
      _ = _converse$env._;
_converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_2__["default"].plugins.add('converse-modal', {
  initialize() {
    const _converse = this._converse;
    _converse.BootstrapModal = Backbone.VDOMView.extend({
      initialize() {
        this.render().insertIntoDOM();
        this.modal = new bootstrap__WEBPACK_IMPORTED_MODULE_1___default.a.Modal(this.el, {
          backdrop: 'static',
          keyboard: true
        });
        this.el.addEventListener('hide.bs.modal', event => {
          if (!_.isNil(this.trigger_el)) {
            this.trigger_el.classList.remove('selected');
          }
        }, false);
      },

      insertIntoDOM() {
        const container_el = _converse.chatboxviews.el.querySelector("#converse-modals");

        container_el.insertAdjacentElement('beforeEnd', this.el);
      },

      show(ev) {
        if (ev) {
          ev.preventDefault();
          this.trigger_el = ev.target;
          this.trigger_el.classList.add('selected');
        }

        this.modal.show();
      }

    });
    _converse.Alert = _converse.BootstrapModal.extend({
      initialize() {
        _converse.BootstrapModal.prototype.initialize.apply(this, arguments);

        this.model.on('change', this.render, this);
      },

      toHTML() {
        return templates_alert_modal_html__WEBPACK_IMPORTED_MODULE_3___default()(this.model.toJSON());
      }

    });

    _converse.api.listen.on('afterTearDown', () => {
      if (!_converse.chatboxviews) {
        return;
      }

      const container = _converse.chatboxviews.el.querySelector("#converse-modals");

      if (container) {
        container.innerHTML = '';
      }
    });
    /************************ BEGIN API ************************/
    // We extend the default converse.js API to add methods specific to MUC chat rooms.


    let alert;

    _.extend(_converse.api, {
      'alert': {
        'show'(type, title, messages) {
          if (_.isString(messages)) {
            messages = [messages];
          }

          if (type === Strophe.LogLevel.ERROR) {
            type = 'alert-danger';
          } else if (type === Strophe.LogLevel.INFO) {
            type = 'alert-info';
          } else if (type === Strophe.LogLevel.WARN) {
            type = 'alert-warning';
          }

          if (_.isUndefined(alert)) {
            const model = new Backbone.Model({
              'title': title,
              'messages': messages,
              'type': type
            });
            alert = new _converse.Alert({
              'model': model
            });
          } else {
            alert.model.set({
              'title': title,
              'messages': messages,
              'type': type
            });
          }

          alert.show();
        }

      }
    });
  }

});

/***/ }),

/***/ "./src/converse-muc-views.js":
/*!***********************************!*\
  !*** ./src/converse-muc-views.js ***!
  \***********************************/
/*! no exports provided */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var converse_modal__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! converse-modal */ "./src/converse-modal.js");
/* harmony import */ var awesomplete__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! awesomplete */ "./node_modules/awesomplete-avoid-xss/awesomplete.js");
/* harmony import */ var awesomplete__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(awesomplete__WEBPACK_IMPORTED_MODULE_1__);
/* harmony import */ var formdata_polyfill__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! formdata-polyfill */ "./node_modules/formdata-polyfill/FormData.js");
/* harmony import */ var formdata_polyfill__WEBPACK_IMPORTED_MODULE_2___default = /*#__PURE__*/__webpack_require__.n(formdata_polyfill__WEBPACK_IMPORTED_MODULE_2__);
/* harmony import */ var _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! @converse/headless/converse-core */ "./src/headless/converse-core.js");
/* harmony import */ var _converse_headless_utils_muc__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! @converse/headless/utils/muc */ "./src/headless/utils/muc.js");
/* harmony import */ var templates_add_chatroom_modal_html__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(/*! templates/add_chatroom_modal.html */ "./src/templates/add_chatroom_modal.html");
/* harmony import */ var templates_add_chatroom_modal_html__WEBPACK_IMPORTED_MODULE_5___default = /*#__PURE__*/__webpack_require__.n(templates_add_chatroom_modal_html__WEBPACK_IMPORTED_MODULE_5__);
/* harmony import */ var templates_chatarea_html__WEBPACK_IMPORTED_MODULE_6__ = __webpack_require__(/*! templates/chatarea.html */ "./src/templates/chatarea.html");
/* harmony import */ var templates_chatarea_html__WEBPACK_IMPORTED_MODULE_6___default = /*#__PURE__*/__webpack_require__.n(templates_chatarea_html__WEBPACK_IMPORTED_MODULE_6__);
/* harmony import */ var templates_chatroom_html__WEBPACK_IMPORTED_MODULE_7__ = __webpack_require__(/*! templates/chatroom.html */ "./src/templates/chatroom.html");
/* harmony import */ var templates_chatroom_html__WEBPACK_IMPORTED_MODULE_7___default = /*#__PURE__*/__webpack_require__.n(templates_chatroom_html__WEBPACK_IMPORTED_MODULE_7__);
/* harmony import */ var templates_chatroom_destroyed_html__WEBPACK_IMPORTED_MODULE_8__ = __webpack_require__(/*! templates/chatroom_destroyed.html */ "./src/templates/chatroom_destroyed.html");
/* harmony import */ var templates_chatroom_destroyed_html__WEBPACK_IMPORTED_MODULE_8___default = /*#__PURE__*/__webpack_require__.n(templates_chatroom_destroyed_html__WEBPACK_IMPORTED_MODULE_8__);
/* harmony import */ var templates_chatroom_details_modal_html__WEBPACK_IMPORTED_MODULE_9__ = __webpack_require__(/*! templates/chatroom_details_modal.html */ "./src/templates/chatroom_details_modal.html");
/* harmony import */ var templates_chatroom_details_modal_html__WEBPACK_IMPORTED_MODULE_9___default = /*#__PURE__*/__webpack_require__.n(templates_chatroom_details_modal_html__WEBPACK_IMPORTED_MODULE_9__);
/* harmony import */ var templates_chatroom_disconnect_html__WEBPACK_IMPORTED_MODULE_10__ = __webpack_require__(/*! templates/chatroom_disconnect.html */ "./src/templates/chatroom_disconnect.html");
/* harmony import */ var templates_chatroom_disconnect_html__WEBPACK_IMPORTED_MODULE_10___default = /*#__PURE__*/__webpack_require__.n(templates_chatroom_disconnect_html__WEBPACK_IMPORTED_MODULE_10__);
/* harmony import */ var templates_chatroom_features_html__WEBPACK_IMPORTED_MODULE_11__ = __webpack_require__(/*! templates/chatroom_features.html */ "./src/templates/chatroom_features.html");
/* harmony import */ var templates_chatroom_features_html__WEBPACK_IMPORTED_MODULE_11___default = /*#__PURE__*/__webpack_require__.n(templates_chatroom_features_html__WEBPACK_IMPORTED_MODULE_11__);
/* harmony import */ var templates_chatroom_form_html__WEBPACK_IMPORTED_MODULE_12__ = __webpack_require__(/*! templates/chatroom_form.html */ "./src/templates/chatroom_form.html");
/* harmony import */ var templates_chatroom_form_html__WEBPACK_IMPORTED_MODULE_12___default = /*#__PURE__*/__webpack_require__.n(templates_chatroom_form_html__WEBPACK_IMPORTED_MODULE_12__);
/* harmony import */ var templates_chatroom_head_html__WEBPACK_IMPORTED_MODULE_13__ = __webpack_require__(/*! templates/chatroom_head.html */ "./src/templates/chatroom_head.html");
/* harmony import */ var templates_chatroom_head_html__WEBPACK_IMPORTED_MODULE_13___default = /*#__PURE__*/__webpack_require__.n(templates_chatroom_head_html__WEBPACK_IMPORTED_MODULE_13__);
/* harmony import */ var templates_chatroom_invite_html__WEBPACK_IMPORTED_MODULE_14__ = __webpack_require__(/*! templates/chatroom_invite.html */ "./src/templates/chatroom_invite.html");
/* harmony import */ var templates_chatroom_invite_html__WEBPACK_IMPORTED_MODULE_14___default = /*#__PURE__*/__webpack_require__.n(templates_chatroom_invite_html__WEBPACK_IMPORTED_MODULE_14__);
/* harmony import */ var templates_chatroom_nickname_form_html__WEBPACK_IMPORTED_MODULE_15__ = __webpack_require__(/*! templates/chatroom_nickname_form.html */ "./src/templates/chatroom_nickname_form.html");
/* harmony import */ var templates_chatroom_nickname_form_html__WEBPACK_IMPORTED_MODULE_15___default = /*#__PURE__*/__webpack_require__.n(templates_chatroom_nickname_form_html__WEBPACK_IMPORTED_MODULE_15__);
/* harmony import */ var templates_chatroom_password_form_html__WEBPACK_IMPORTED_MODULE_16__ = __webpack_require__(/*! templates/chatroom_password_form.html */ "./src/templates/chatroom_password_form.html");
/* harmony import */ var templates_chatroom_password_form_html__WEBPACK_IMPORTED_MODULE_16___default = /*#__PURE__*/__webpack_require__.n(templates_chatroom_password_form_html__WEBPACK_IMPORTED_MODULE_16__);
/* harmony import */ var templates_chatroom_sidebar_html__WEBPACK_IMPORTED_MODULE_17__ = __webpack_require__(/*! templates/chatroom_sidebar.html */ "./src/templates/chatroom_sidebar.html");
/* harmony import */ var templates_chatroom_sidebar_html__WEBPACK_IMPORTED_MODULE_17___default = /*#__PURE__*/__webpack_require__.n(templates_chatroom_sidebar_html__WEBPACK_IMPORTED_MODULE_17__);
/* harmony import */ var templates_info_html__WEBPACK_IMPORTED_MODULE_18__ = __webpack_require__(/*! templates/info.html */ "./src/templates/info.html");
/* harmony import */ var templates_info_html__WEBPACK_IMPORTED_MODULE_18___default = /*#__PURE__*/__webpack_require__.n(templates_info_html__WEBPACK_IMPORTED_MODULE_18__);
/* harmony import */ var templates_list_chatrooms_modal_html__WEBPACK_IMPORTED_MODULE_19__ = __webpack_require__(/*! templates/list_chatrooms_modal.html */ "./src/templates/list_chatrooms_modal.html");
/* harmony import */ var templates_list_chatrooms_modal_html__WEBPACK_IMPORTED_MODULE_19___default = /*#__PURE__*/__webpack_require__.n(templates_list_chatrooms_modal_html__WEBPACK_IMPORTED_MODULE_19__);
/* harmony import */ var templates_occupant_html__WEBPACK_IMPORTED_MODULE_20__ = __webpack_require__(/*! templates/occupant.html */ "./src/templates/occupant.html");
/* harmony import */ var templates_occupant_html__WEBPACK_IMPORTED_MODULE_20___default = /*#__PURE__*/__webpack_require__.n(templates_occupant_html__WEBPACK_IMPORTED_MODULE_20__);
/* harmony import */ var templates_room_description_html__WEBPACK_IMPORTED_MODULE_21__ = __webpack_require__(/*! templates/room_description.html */ "./src/templates/room_description.html");
/* harmony import */ var templates_room_description_html__WEBPACK_IMPORTED_MODULE_21___default = /*#__PURE__*/__webpack_require__.n(templates_room_description_html__WEBPACK_IMPORTED_MODULE_21__);
/* harmony import */ var templates_room_item_html__WEBPACK_IMPORTED_MODULE_22__ = __webpack_require__(/*! templates/room_item.html */ "./src/templates/room_item.html");
/* harmony import */ var templates_room_item_html__WEBPACK_IMPORTED_MODULE_22___default = /*#__PURE__*/__webpack_require__.n(templates_room_item_html__WEBPACK_IMPORTED_MODULE_22__);
/* harmony import */ var templates_room_panel_html__WEBPACK_IMPORTED_MODULE_23__ = __webpack_require__(/*! templates/room_panel.html */ "./src/templates/room_panel.html");
/* harmony import */ var templates_room_panel_html__WEBPACK_IMPORTED_MODULE_23___default = /*#__PURE__*/__webpack_require__.n(templates_room_panel_html__WEBPACK_IMPORTED_MODULE_23__);
/* harmony import */ var templates_rooms_results_html__WEBPACK_IMPORTED_MODULE_24__ = __webpack_require__(/*! templates/rooms_results.html */ "./src/templates/rooms_results.html");
/* harmony import */ var templates_rooms_results_html__WEBPACK_IMPORTED_MODULE_24___default = /*#__PURE__*/__webpack_require__.n(templates_rooms_results_html__WEBPACK_IMPORTED_MODULE_24__);
/* harmony import */ var templates_spinner_html__WEBPACK_IMPORTED_MODULE_25__ = __webpack_require__(/*! templates/spinner.html */ "./src/templates/spinner.html");
/* harmony import */ var templates_spinner_html__WEBPACK_IMPORTED_MODULE_25___default = /*#__PURE__*/__webpack_require__.n(templates_spinner_html__WEBPACK_IMPORTED_MODULE_25__);
/* harmony import */ var xss__WEBPACK_IMPORTED_MODULE_26__ = __webpack_require__(/*! xss */ "./node_modules/xss/dist/xss.js");
/* harmony import */ var xss__WEBPACK_IMPORTED_MODULE_26___default = /*#__PURE__*/__webpack_require__.n(xss__WEBPACK_IMPORTED_MODULE_26__);
// Converse.js
// http://conversejs.org
//
// Copyright (c) 2013-2018, the Converse.js developers
// Licensed under the Mozilla Public License (MPLv2)



























const _converse$env = _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_3__["default"].env,
      Backbone = _converse$env.Backbone,
      Promise = _converse$env.Promise,
      Strophe = _converse$env.Strophe,
      b64_sha1 = _converse$env.b64_sha1,
      moment = _converse$env.moment,
      f = _converse$env.f,
      sizzle = _converse$env.sizzle,
      _ = _converse$env._,
      $build = _converse$env.$build,
      $iq = _converse$env.$iq,
      $msg = _converse$env.$msg,
      $pres = _converse$env.$pres;
const u = _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_3__["default"].env.utils;
_converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_3__["default"].plugins.add('converse-muc-views', {
  /* Dependencies are other plugins which might be
   * overridden or relied upon, and therefore need to be loaded before
   * this plugin. They are "optional" because they might not be
   * available, in which case any overrides applicable to them will be
   * ignored.
   *
   * NB: These plugins need to have already been loaded via require.js.
   *
   * It's possible to make these dependencies "non-optional".
   * If the setting "strict_plugin_dependencies" is set to true,
   * an error will be raised if the plugin is not found.
   */
  dependencies: ["converse-autocomplete", "converse-modal", "converse-controlbox", "converse-chatview"],
  overrides: {
    ControlBoxView: {
      renderRoomsPanel() {
        const _converse = this.__super__._converse;
        this.roomspanel = new _converse.RoomsPanel({
          'model': new (_converse.RoomsPanelModel.extend({
            'id': b64_sha1(`converse.roomspanel${_converse.bare_jid}`),
            // Required by sessionStorage
            'browserStorage': new Backbone.BrowserStorage[_converse.config.get('storage')](b64_sha1(`converse.roomspanel${_converse.bare_jid}`))
          }))()
        });
        this.roomspanel.model.fetch();
        this.el.querySelector('.controlbox-pane').insertAdjacentElement('beforeEnd', this.roomspanel.render().el);

        if (!this.roomspanel.model.get('nick')) {
          this.roomspanel.model.save({
            nick: _converse.xmppstatus.vcard.get('nickname') || Strophe.getNodeFromJid(_converse.bare_jid)
          });
        }

        _converse.emit('roomsPanelRendered');
      },

      renderControlBoxPane() {
        const _converse = this.__super__._converse;

        this.__super__.renderControlBoxPane.apply(this, arguments);

        if (_converse.allow_muc) {
          this.renderRoomsPanel();
        }
      }

    }
  },

  initialize() {
    const _converse = this._converse,
          __ = _converse.__;

    _converse.api.promises.add(['roomsPanelRendered']); // Configuration values for this plugin
    // ====================================
    // Refer to docs/source/configuration.rst for explanations of these
    // configuration settings.


    _converse.api.settings.update({
      'auto_list_rooms': false,
      'muc_disable_moderator_commands': false,
      'visible_toolbar_buttons': {
        'toggle_occupants': true
      }
    });

    function ___(str) {
      /* This is part of a hack to get gettext to scan strings to be
      * translated. Strings we cannot send to the function above because
      * they require variable interpolation and we don't yet have the
      * variables at scan time.
      *
      * See actionInfoMessages further below.
      */
      return str;
    }
    /* http://xmpp.org/extensions/xep-0045.html
     * ----------------------------------------
     * 100 message      Entering a groupchat         Inform user that any occupant is allowed to see the user's full JID
     * 101 message (out of band)                     Affiliation change  Inform user that his or her affiliation changed while not in the groupchat
     * 102 message      Configuration change         Inform occupants that groupchat now shows unavailable members
     * 103 message      Configuration change         Inform occupants that groupchat now does not show unavailable members
     * 104 message      Configuration change         Inform occupants that a non-privacy-related groupchat configuration change has occurred
     * 110 presence     Any groupchat presence       Inform user that presence refers to one of its own groupchat occupants
     * 170 message or initial presence               Configuration change    Inform occupants that groupchat logging is now enabled
     * 171 message      Configuration change         Inform occupants that groupchat logging is now disabled
     * 172 message      Configuration change         Inform occupants that the groupchat is now non-anonymous
     * 173 message      Configuration change         Inform occupants that the groupchat is now semi-anonymous
     * 174 message      Configuration change         Inform occupants that the groupchat is now fully-anonymous
     * 201 presence     Entering a groupchat         Inform user that a new groupchat has been created
     * 210 presence     Entering a groupchat         Inform user that the service has assigned or modified the occupant's roomnick
     * 301 presence     Removal from groupchat       Inform user that he or she has been banned from the groupchat
     * 303 presence     Exiting a groupchat          Inform all occupants of new groupchat nickname
     * 307 presence     Removal from groupchat       Inform user that he or she has been kicked from the groupchat
     * 321 presence     Removal from groupchat       Inform user that he or she is being removed from the groupchat because of an affiliation change
     * 322 presence     Removal from groupchat       Inform user that he or she is being removed from the groupchat because the groupchat has been changed to members-only and the user is not a member
     * 332 presence     Removal from groupchat       Inform user that he or she is being removed from the groupchat because of a system shutdown
     */


    _converse.muc = {
      info_messages: {
        100: __('This groupchat is not anonymous'),
        102: __('This groupchat now shows unavailable members'),
        103: __('This groupchat does not show unavailable members'),
        104: __('The groupchat configuration has changed'),
        170: __('groupchat logging is now enabled'),
        171: __('groupchat logging is now disabled'),
        172: __('This groupchat is now no longer anonymous'),
        173: __('This groupchat is now semi-anonymous'),
        174: __('This groupchat is now fully-anonymous'),
        201: __('A new groupchat has been created')
      },
      disconnect_messages: {
        301: __('You have been banned from this groupchat'),
        307: __('You have been kicked from this groupchat'),
        321: __("You have been removed from this groupchat because of an affiliation change"),
        322: __("You have been removed from this groupchat because the groupchat has changed to members-only and you're not a member"),
        332: __("You have been removed from this groupchat because the service hosting it is being shut down")
      },
      action_info_messages: {
        /* XXX: Note the triple underscore function and not double
        * underscore.
        *
        * This is a hack. We can't pass the strings to __ because we
        * don't yet know what the variable to interpolate is.
        *
        * Triple underscore will just return the string again, but we
        * can then at least tell gettext to scan for it so that these
        * strings are picked up by the translation machinery.
        */
        301: ___("%1$s has been banned"),
        303: ___("%1$s's nickname has changed"),
        307: ___("%1$s has been kicked out"),
        321: ___("%1$s has been removed because of an affiliation change"),
        322: ___("%1$s has been removed for not being a member")
      },
      new_nickname_messages: {
        210: ___('Your nickname has been automatically set to %1$s'),
        303: ___('Your nickname has been changed to %1$s')
      }
    };

    function insertRoomInfo(el, stanza) {
      /* Insert groupchat info (based on returned #disco IQ stanza)
       *
       * Parameters:
       *  (HTMLElement) el: The HTML DOM element that should
       *      contain the info.
       *  (XMLElement) stanza: The IQ stanza containing the groupchat
       *      info.
       */
      // All MUC features found here: http://xmpp.org/registrar/disco-features.html
      el.querySelector('span.spinner').remove();
      el.querySelector('a.room-info').classList.add('selected');
      el.insertAdjacentHTML('beforeEnd', templates_room_description_html__WEBPACK_IMPORTED_MODULE_21___default()({
        'jid': stanza.getAttribute('from'),
        'desc': _.get(_.head(sizzle('field[var="muc#roominfo_description"] value', stanza)), 'textContent'),
        'occ': _.get(_.head(sizzle('field[var="muc#roominfo_occupants"] value', stanza)), 'textContent'),
        'hidden': sizzle('feature[var="muc_hidden"]', stanza).length,
        'membersonly': sizzle('feature[var="muc_membersonly"]', stanza).length,
        'moderated': sizzle('feature[var="muc_moderated"]', stanza).length,
        'nonanonymous': sizzle('feature[var="muc_nonanonymous"]', stanza).length,
        'open': sizzle('feature[var="muc_open"]', stanza).length,
        'passwordprotected': sizzle('feature[var="muc_passwordprotected"]', stanza).length,
        'persistent': sizzle('feature[var="muc_persistent"]', stanza).length,
        'publicroom': sizzle('feature[var="muc_publicroom"]', stanza).length,
        'semianonymous': sizzle('feature[var="muc_semianonymous"]', stanza).length,
        'temporary': sizzle('feature[var="muc_temporary"]', stanza).length,
        'unmoderated': sizzle('feature[var="muc_unmoderated"]', stanza).length,
        'label_desc': __('Description:'),
        'label_jid': __('Groupchat Address (JID):'),
        'label_occ': __('Participants:'),
        'label_features': __('Features:'),
        'label_requires_auth': __('Requires authentication'),
        'label_hidden': __('Hidden'),
        'label_requires_invite': __('Requires an invitation'),
        'label_moderated': __('Moderated'),
        'label_non_anon': __('Non-anonymous'),
        'label_open_room': __('Open'),
        'label_permanent_room': __('Permanent'),
        'label_public': __('Public'),
        'label_semi_anon': __('Semi-anonymous'),
        'label_temp_room': __('Temporary'),
        'label_unmoderated': __('Unmoderated')
      }));
    }

    function toggleRoomInfo(ev) {
      /* Show/hide extra information about a groupchat in a listing. */
      const parent_el = u.ancestor(ev.target, '.room-item'),
            div_el = parent_el.querySelector('div.room-info');

      if (div_el) {
        u.slideIn(div_el).then(u.removeElement);
        parent_el.querySelector('a.room-info').classList.remove('selected');
      } else {
        parent_el.insertAdjacentHTML('beforeend', templates_spinner_html__WEBPACK_IMPORTED_MODULE_25___default()());

        _converse.api.disco.info(ev.target.getAttribute('data-room-jid'), null).then(stanza => insertRoomInfo(parent_el, stanza)).catch(_.partial(_converse.log, _, Strophe.LogLevel.ERROR));
      }
    }

    _converse.ListChatRoomsModal = _converse.BootstrapModal.extend({
      events: {
        'submit form': 'showRooms',
        'click a.room-info': 'toggleRoomInfo',
        'change input[name=nick]': 'setNick',
        'change input[name=server]': 'setDomain',
        'click .open-room': 'openRoom'
      },

      initialize() {
        _converse.BootstrapModal.prototype.initialize.apply(this, arguments);

        this.model.on('change:muc_domain', this.onDomainChange, this);
      },

      toHTML() {
        return templates_list_chatrooms_modal_html__WEBPACK_IMPORTED_MODULE_19___default()(_.extend(this.model.toJSON(), {
          'heading_list_chatrooms': __('Query for Groupchats'),
          'label_server_address': __('Server address'),
          'label_query': __('Show groupchats'),
          'server_placeholder': __('conference.example.org')
        }));
      },

      afterRender() {
        this.el.addEventListener('shown.bs.modal', () => {
          this.el.querySelector('input[name="server"]').focus();
        }, false);
      },

      openRoom(ev) {
        ev.preventDefault();
        const jid = ev.target.getAttribute('data-room-jid');
        const name = ev.target.getAttribute('data-room-name');
        this.modal.hide();

        _converse.api.rooms.open(jid, {
          'name': name
        });
      },

      toggleRoomInfo(ev) {
        ev.preventDefault();
        toggleRoomInfo(ev);
      },

      onDomainChange(model) {
        if (_converse.auto_list_rooms) {
          this.updateRoomsList();
        }
      },

      roomStanzaItemToHTMLElement(groupchat) {
        const name = Strophe.unescapeNode(groupchat.getAttribute('name') || groupchat.getAttribute('jid'));
        const div = document.createElement('div');
        div.innerHTML = templates_room_item_html__WEBPACK_IMPORTED_MODULE_22___default()({
          'name': Strophe.xmlunescape(name),
          'jid': groupchat.getAttribute('jid'),
          'open_title': __('Click to open this groupchat'),
          'info_title': __('Show more information on this groupchat')
        });
        return div.firstElementChild;
      },

      removeSpinner() {
        _.each(this.el.querySelectorAll('span.spinner'), el => el.parentNode.removeChild(el));
      },

      informNoRoomsFound() {
        const chatrooms_el = this.el.querySelector('.available-chatrooms');
        chatrooms_el.innerHTML = templates_rooms_results_html__WEBPACK_IMPORTED_MODULE_24___default()({
          'feedback_text': __('No groupchats found')
        });
        const input_el = this.el.querySelector('input[name="server"]');
        input_el.classList.remove('hidden');
        this.removeSpinner();
      },

      onRoomsFound(iq) {
        /* Handle the IQ stanza returned from the server, containing
         * all its public groupchats.
         */
        const available_chatrooms = this.el.querySelector('.available-chatrooms');
        this.rooms = iq.querySelectorAll('query item');

        if (this.rooms.length) {
          // For translators: %1$s is a variable and will be
          // replaced with the XMPP server name
          available_chatrooms.innerHTML = templates_rooms_results_html__WEBPACK_IMPORTED_MODULE_24___default()({
            'feedback_text': __('Groupchats found:')
          });
          const fragment = document.createDocumentFragment();

          const children = _.reject(_.map(this.rooms, this.roomStanzaItemToHTMLElement), _.isNil);

          _.each(children, child => fragment.appendChild(child));

          available_chatrooms.appendChild(fragment);
          this.removeSpinner();
        } else {
          this.informNoRoomsFound();
        }

        return true;
      },

      updateRoomsList() {
        /* Send an IQ stanza to the server asking for all groupchats
         */
        const iq = $iq({
          'to': this.model.get('muc_domain'),
          'from': _converse.connection.jid,
          'type': "get"
        }).c("query", {
          xmlns: Strophe.NS.DISCO_ITEMS
        });

        _converse.api.sendIQ(iq).then(iq => this.onRoomsFound(iq)).catch(iq => this.informNoRoomsFound());
      },

      showRooms(ev) {
        ev.preventDefault();
        const data = new FormData(ev.target);
        this.model.save('muc_domain', Strophe.getDomainFromJid(data.get('server')));
        this.updateRoomsList();
      },

      setDomain(ev) {
        this.model.save('muc_domain', Strophe.getDomainFromJid(ev.target.value));
      },

      setNick(ev) {
        this.model.save({
          nick: ev.target.value
        });
      }

    });
    _converse.AddChatRoomModal = _converse.BootstrapModal.extend({
      events: {
        'submit form.add-chatroom': 'openChatRoom'
      },

      toHTML() {
        return templates_add_chatroom_modal_html__WEBPACK_IMPORTED_MODULE_5___default()(_.extend(this.model.toJSON(), {
          'heading_new_chatroom': __('Enter a new Groupchat'),
          'label_room_address': __('Groupchat address'),
          'label_nickname': __('Optional nickname'),
          'chatroom_placeholder': __('name@conference.example.org'),
          'label_join': __('Join')
        }));
      },

      afterRender() {
        this.el.addEventListener('shown.bs.modal', () => {
          this.el.querySelector('input[name="chatroom"]').focus();
        }, false);
      },

      parseRoomDataFromEvent(form) {
        const data = new FormData(form);
        const jid = data.get('chatroom');
        this.model.save('muc_domain', Strophe.getDomainFromJid(jid));
        return {
          'jid': jid,
          'nick': data.get('nickname')
        };
      },

      openChatRoom(ev) {
        ev.preventDefault();
        const data = this.parseRoomDataFromEvent(ev.target);

        if (data.nick === "") {
          // Make sure defaults apply if no nick is provided.
          data.nick = undefined;
        }

        _converse.api.rooms.open(data.jid, data);

        this.modal.hide();
        ev.target.reset();
      }

    });
    _converse.RoomDetailsModal = _converse.BootstrapModal.extend({
      initialize() {
        _converse.BootstrapModal.prototype.initialize.apply(this, arguments);

        this.model.on('change', this.render, this);
        this.model.occupants.on('add', this.render, this);
        this.model.occupants.on('change', this.render, this);
      },

      toHTML() {
        return templates_chatroom_details_modal_html__WEBPACK_IMPORTED_MODULE_9___default()(_.extend(this.model.toJSON(), {
          '_': _,
          '__': __,
          'display_name': __('Groupchat info for %1$s', this.model.getDisplayName()),
          'features': this.model.features.toJSON(),
          'num_occupants': this.model.occupants.length,
          'topic': u.addHyperlinks(xss__WEBPACK_IMPORTED_MODULE_26___default.a.filterXSS(_.get(this.model.get('subject'), 'text'), {
            'whiteList': {}
          }))
        }));
      }

    });
    _converse.ChatRoomView = _converse.ChatBoxView.extend({
      /* Backbone.NativeView which renders a groupchat, based upon the view
       * for normal one-on-one chat boxes.
       */
      length: 300,
      tagName: 'div',
      className: 'chatbox chatroom hidden',
      is_chatroom: true,
      events: {
        'change input.fileupload': 'onFileSelection',
        'click .chat-msg__action-edit': 'onMessageEditButtonClicked',
        'click .chatbox-navback': 'showControlBox',
        'click .close-chatbox-button': 'close',
        'click .configure-chatroom-button': 'getAndRenderConfigurationForm',
        'click .hide-occupants': 'hideOccupants',
        'click .new-msgs-indicator': 'viewUnreadMessages',
        'click .occupant-nick': 'onOccupantClicked',
        'click .send-button': 'onFormSubmitted',
        'click .show-room-details-modal': 'showRoomDetailsModal',
        'click .toggle-call': 'toggleCall',
        'click .toggle-occupants': 'toggleOccupants',
        'click .toggle-smiley ul.emoji-picker li': 'insertEmoji',
        'click .toggle-smiley': 'toggleEmojiMenu',
        'click .upload-file': 'toggleFileUpload',
        'keydown .chat-textarea': 'keyPressed',
        'keyup .chat-textarea': 'keyUp',
        'input .chat-textarea': 'inputChanged'
      },

      initialize() {
        this.initDebounced();
        this.model.messages.on('add', this.onMessageAdded, this);
        this.model.messages.on('rendered', this.scrollDown, this);
        this.model.on('change:affiliation', this.renderHeading, this);
        this.model.on('change:connection_status', this.afterConnected, this);
        this.model.on('change:jid', this.renderHeading, this);
        this.model.on('change:name', this.renderHeading, this);
        this.model.on('change:subject', this.renderHeading, this);
        this.model.on('change:subject', this.setChatRoomSubject, this);
        this.model.on('configurationNeeded', this.getAndRenderConfigurationForm, this);
        this.model.on('destroy', this.hide, this);
        this.model.on('show', this.show, this);
        this.model.occupants.on('add', this.onOccupantAdded, this);
        this.model.occupants.on('remove', this.onOccupantRemoved, this);
        this.model.occupants.on('change:show', this.showJoinOrLeaveNotification, this);
        this.model.occupants.on('change:role', this.informOfOccupantsRoleChange, this);
        this.model.occupants.on('change:affiliation', this.informOfOccupantsAffiliationChange, this);
        this.createEmojiPicker();
        this.createOccupantsView();
        this.render().insertIntoDOM();
        this.registerHandlers();
        this.enterRoom();
      },

      enterRoom(ev) {
        if (ev) {
          ev.preventDefault();
        }

        if (this.model.get('connection_status') !== _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_3__["default"].ROOMSTATUS.ENTERED) {
          const handler = () => {
            if (!u.isPersistableModel(this.model)) {
              // Happens during tests, nothing to do if this
              // is a hanging chatbox (i.e. not in the collection anymore).
              return;
            }

            this.populateAndJoin();

            _converse.emit('chatRoomOpened', this);
          };

          this.model.getRoomFeatures().then(handler, handler);
        } else {
          this.fetchMessages();

          _converse.emit('chatRoomOpened', this);
        }
      },

      render() {
        this.el.setAttribute('id', this.model.get('box_id'));
        this.el.innerHTML = templates_chatroom_html__WEBPACK_IMPORTED_MODULE_7___default()();
        this.renderHeading();
        this.renderChatArea();
        this.renderMessageForm();
        this.initAutoComplete();

        if (this.model.get('connection_status') !== _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_3__["default"].ROOMSTATUS.ENTERED) {
          this.showSpinner();
        }

        return this;
      },

      renderHeading() {
        /* Render the heading UI of the groupchat. */
        this.el.querySelector('.chat-head-chatroom').innerHTML = this.generateHeadingHTML();
      },

      renderChatArea() {
        /* Render the UI container in which groupchat messages will appear.
         */
        if (_.isNull(this.el.querySelector('.chat-area'))) {
          const container_el = this.el.querySelector('.chatroom-body');
          container_el.insertAdjacentHTML('beforeend', templates_chatarea_html__WEBPACK_IMPORTED_MODULE_6___default()({
            'show_send_button': _converse.show_send_button
          }));
          container_el.insertAdjacentElement('beforeend', this.occupantsview.el);
          this.content = this.el.querySelector('.chat-content');
          this.toggleOccupants(null, true);
        }

        return this;
      },

      initAutoComplete() {
        this.auto_complete = new _converse.AutoComplete(this.el, {
          'auto_first': true,
          'auto_evaluate': false,
          'min_chars': 1,
          'match_current_word': true,
          'match_on_tab': true,
          'list': () => this.model.occupants.map(o => ({
            'label': o.getDisplayName(),
            'value': `@${o.getDisplayName()}`
          })),
          'filter': _converse.FILTER_STARTSWITH,
          'trigger_on_at': true
        });
        this.auto_complete.on('suggestion-box-selectcomplete', () => this.auto_completing = false);
      },

      keyPressed(ev) {
        if (this.auto_complete.keyPressed(ev)) {
          return;
        }

        return _converse.ChatBoxView.prototype.keyPressed.apply(this, arguments);
      },

      keyUp(ev) {
        this.auto_complete.evaluate(ev);
      },

      showRoomDetailsModal(ev) {
        ev.preventDefault();

        if (_.isUndefined(this.model.room_details_modal)) {
          this.model.room_details_modal = new _converse.RoomDetailsModal({
            'model': this.model
          });
        }

        this.model.room_details_modal.show(ev);
      },

      showChatStateNotification(message) {
        if (message.get('sender') === 'me') {
          return;
        }

        return _converse.ChatBoxView.prototype.showChatStateNotification.apply(this, arguments);
      },

      createOccupantsView() {
        /* Create the ChatRoomOccupantsView Backbone.NativeView
         */
        this.model.occupants.chatroomview = this;
        this.occupantsview = new _converse.ChatRoomOccupantsView({
          'model': this.model.occupants
        });
        return this;
      },

      informOfOccupantsAffiliationChange(occupant, changed) {
        const previous_affiliation = occupant._previousAttributes.affiliation,
              current_affiliation = occupant.get('affiliation');

        if (previous_affiliation === 'admin') {
          this.showChatEvent(__("%1$s is no longer an admin of this groupchat", occupant.get('nick')));
        } else if (previous_affiliation === 'owner') {
          this.showChatEvent(__("%1$s is no longer an owner of this groupchat", occupant.get('nick')));
        } else if (previous_affiliation === 'outcast') {
          this.showChatEvent(__("%1$s is no longer banned from this groupchat", occupant.get('nick')));
        }

        if (current_affiliation === 'none' && previous_affiliation === 'member') {
          this.showChatEvent(__("%1$s is no longer a permanent member of this groupchat", occupant.get('nick')));
        }

        if (current_affiliation === 'member') {
          this.showChatEvent(__("%1$s is now a permanent member of this groupchat", occupant.get('nick')));
        } else if (current_affiliation === 'outcast') {
          this.showChatEvent(__("%1$s has been banned from this groupchat", occupant.get('nick')));
        } else if (current_affiliation === 'admin' || current_affiliation == 'owner') {
          // For example: AppleJack is now an (admin|owner) of this groupchat
          this.showChatEvent(__('%1$s is now an %2$s of this groupchat', occupant.get('nick'), current_affiliation));
        }
      },

      informOfOccupantsRoleChange(occupant, changed) {
        if (changed === "none") {
          return;
        }

        const previous_role = occupant._previousAttributes.role;

        if (previous_role === 'moderator') {
          this.showChatEvent(__("%1$s is no longer a moderator", occupant.get('nick')));
        }

        if (previous_role === 'visitor') {
          this.showChatEvent(__("%1$s has been given a voice again", occupant.get('nick')));
        }

        if (occupant.get('role') === 'visitor') {
          this.showChatEvent(__("%1$s has been muted", occupant.get('nick')));
        }

        if (occupant.get('role') === 'moderator') {
          this.showChatEvent(__("%1$s is now a moderator", occupant.get('nick')));
        }
      },

      generateHeadingHTML() {
        /* Returns the heading HTML to be rendered.
         */
        return templates_chatroom_head_html__WEBPACK_IMPORTED_MODULE_13___default()(_.extend(this.model.toJSON(), {
          'Strophe': Strophe,
          'info_close': __('Close and leave this groupchat'),
          'info_configure': __('Configure this groupchat'),
          'info_details': __('Show more details about this groupchat'),
          'description': u.addHyperlinks(xss__WEBPACK_IMPORTED_MODULE_26___default.a.filterXSS(_.get(this.model.get('subject'), 'text'), {
            'whiteList': {}
          }))
        }));
      },

      afterShown() {
        /* Override from converse-chatview, specifically to avoid
         * the 'active' chat state from being sent out prematurely.
         *
         * This is instead done in `afterConnected` below.
         */
        if (u.isPersistableModel(this.model)) {
          this.model.clearUnreadMsgCounter();
          this.model.save();
        }

        this.occupantsview.setOccupantsHeight();
        this.scrollDown();
        this.renderEmojiPicker();
      },

      show() {
        if (u.isVisible(this.el)) {
          this.focus();
          return;
        } // Override from converse-chatview in order to not use
        // "fadeIn", which causes flashing.


        u.showElement(this.el);
        this.afterShown();
      },

      afterConnected() {
        if (this.model.get('connection_status') === _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_3__["default"].ROOMSTATUS.ENTERED) {
          this.hideSpinner();
          this.setChatState(_converse.ACTIVE);
          this.scrollDown();
          this.focus();
        }
      },

      getToolbarOptions() {
        return _.extend(_converse.ChatBoxView.prototype.getToolbarOptions.apply(this, arguments), {
          'label_hide_occupants': __('Hide the list of participants'),
          'show_occupants_toggle': this.is_chatroom && _converse.visible_toolbar_buttons.toggle_occupants
        });
      },

      close(ev) {
        /* Close this chat box, which implies leaving the groupchat as
         * well.
         */
        this.hide();

        if (Backbone.history.getFragment() === "converse/room?jid=" + this.model.get('jid')) {
          _converse.router.navigate('');
        }

        this.model.leave();

        _converse.ChatBoxView.prototype.close.apply(this, arguments);
      },

      setOccupantsVisibility() {
        const icon_el = this.el.querySelector('.toggle-occupants');

        if (this.model.get('hidden_occupants')) {
          u.removeClass('fa-angle-double-right', icon_el);
          u.addClass('fa-angle-double-left', icon_el);
          const chat_area = this.el.querySelector('.chat-area');
          u.removeClass('col-md-9', chat_area);
          u.removeClass('col-8', chat_area);
          u.addClass('full', chat_area);
          u.addClass('col-12', chat_area);
          u.hideElement(this.el.querySelector('.occupants'));
        } else {
          const chat_area = this.el.querySelector('.chat-area');
          u.addClass('fa-angle-double-right', icon_el);
          u.removeClass('fa-angle-double-left', icon_el);
          u.removeClass('hidden', this.el.querySelector('.occupants'));
          u.removeClass('full', chat_area);
          u.removeClass('col-12', chat_area);
          u.addClass('col-md-9', chat_area);
          u.addClass('col-8', chat_area);
        }

        this.occupantsview.setOccupantsHeight();
      },

      hideOccupants(ev, preserve_state) {
        /* Show or hide the right sidebar containing the chat
         * occupants (and the invite widget).
         */
        if (ev) {
          ev.preventDefault();
          ev.stopPropagation();
        }

        this.model.save({
          'hidden_occupants': true
        });
        this.setOccupantsVisibility();
        this.scrollDown();
      },

      toggleOccupants(ev, preserve_state) {
        /* Show or hide the right sidebar containing the chat
         * occupants (and the invite widget).
         */
        if (ev) {
          ev.preventDefault();
          ev.stopPropagation();
        }

        if (!preserve_state) {
          this.model.set({
            'hidden_occupants': !this.model.get('hidden_occupants')
          });
        }

        this.setOccupantsVisibility();
        this.scrollDown();
      },

      onOccupantClicked(ev) {
        /* When an occupant is clicked, insert their nickname into
         * the chat textarea input.
         */
        this.insertIntoTextArea(ev.target.textContent);
      },

      handleChatStateNotification(message) {
        /* Override the method on the ChatBoxView base class to
         * ignore <gone/> notifications in groupchats.
         *
         * As laid out in the business rules in XEP-0085
         * http://xmpp.org/extensions/xep-0085.html#bizrules-groupchat
         */
        if (message.get('fullname') === this.model.get('nick')) {
          // Don't know about other servers, but OpenFire sends
          // back to you your own chat state notifications.
          // We ignore them here...
          return;
        }

        if (message.get('chat_state') !== _converse.GONE) {
          _converse.ChatBoxView.prototype.handleChatStateNotification.apply(this, arguments);
        }
      },

      destroy(groupchat, reason, onSuccess, onError) {
        const destroy = $build("destroy");
        const iq = $iq({
          to: groupchat,
          type: "set"
        }).c("query", {
          xmlns: Strophe.NS.MUC_OWNER
        }).cnode(destroy.node);

        if (reason && reason.length > 0) {
          iq.c("reason", reason);
        }

        return _converse.api.sendIQ(iq);
      },

      modifyRole(groupchat, nick, role, reason, onSuccess, onError) {
        const item = $build("item", {
          nick,
          role
        });
        const iq = $iq({
          to: groupchat,
          type: "set"
        }).c("query", {
          xmlns: Strophe.NS.MUC_ADMIN
        }).cnode(item.node);

        if (reason !== null) {
          iq.c("reason", reason);
        }

        return _converse.api.sendIQ(iq).then(onSuccess).catch(onError);
      },

      verifyRoles(roles) {
        const me = this.model.occupants.findWhere({
          'jid': _converse.bare_jid
        });

        if (!_.includes(roles, me.get('role'))) {
          this.showErrorMessage(__('Forbidden: you do not have the necessary role in order to do that.'));
          return false;
        }

        return true;
      },

      verifyAffiliations(affiliations) {
        const me = this.model.occupants.findWhere({
          'jid': _converse.bare_jid
        });

        if (!_.includes(affiliations, me.get('affiliation'))) {
          this.showErrorMessage(__('Forbidden: you do not have the necessary affiliation in order to do that.'));
          return false;
        }

        return true;
      },

      validateRoleChangeCommand(command, args) {
        /* Check that a command to change a groupchat user's role or
         * affiliation has anough arguments.
         */
        if (args.length < 1 || args.length > 2) {
          this.showErrorMessage(__('Error: the "%1$s" command takes two arguments, the user\'s nickname and optionally a reason.', command));
          return false;
        }

        if (!this.model.occupants.findWhere({
          'nick': args[0]
        }) && !this.model.occupants.findWhere({
          'jid': args[0]
        })) {
          this.showErrorMessage(__('Error: couldn\'t find a groupchat participant "%1$s"', args[0]));
          return false;
        }

        return true;
      },

      onCommandError(err) {
        _converse.log(err, Strophe.LogLevel.FATAL);

        this.showErrorMessage(__("Sorry, an error happened while running the command. Check your browser's developer console for details."));
      },

      parseMessageForCommands(text) {
        if (_converse.muc_disable_moderator_commands) {
          return _converse.ChatBoxView.prototype.parseMessageForCommands.apply(this, arguments);
        }

        const match = text.replace(/^\s*/, "").match(/^\/(.*?)(?: (.*))?$/) || [false, '', ''],
              args = match[2] && match[2].splitOnce(' ').filter(s => s) || [],
              command = match[1].toLowerCase();

        switch (command) {
          case 'admin':
            if (!this.verifyAffiliations(['owner']) || !this.validateRoleChangeCommand(command, args)) {
              break;
            }

            this.model.setAffiliation('admin', [{
              'jid': args[0],
              'reason': args[1]
            }]).then(() => this.model.occupants.fetchMembers(), err => this.onCommandError(err));
            break;

          case 'ban':
            if (!this.verifyAffiliations(['owner', 'admin']) || !this.validateRoleChangeCommand(command, args)) {
              break;
            }

            this.model.setAffiliation('outcast', [{
              'jid': args[0],
              'reason': args[1]
            }]).then(() => this.model.occupants.fetchMembers(), err => this.onCommandError(err));
            break;

          case 'deop':
            if (!this.verifyAffiliations(['admin', 'owner']) || !this.validateRoleChangeCommand(command, args)) {
              break;
            }

            this.modifyRole(this.model.get('jid'), args[0], 'participant', args[1], undefined, this.onCommandError.bind(this));
            break;

          case 'destroy':
            if (!this.verifyAffiliations(['owner'])) {
              break;
            }

            this.destroy(this.model.get('jid'), args[0]).then(() => this.close()).catch(e => this.onCommandError(e));
            break;

          case 'help':
            this.showHelpMessages([`<strong>/admin</strong>: ${__("Change user's affiliation to admin")}`, `<strong>/ban</strong>: ${__('Ban user from groupchat')}`, `<strong>/clear</strong>: ${__('Remove messages')}`, `<strong>/deop</strong>: ${__('Change user role to participant')}`, `<strong>/destroy</strong>: ${__('Destroy room')}`, `<strong>/help</strong>: ${__('Show this menu')}`, `<strong>/kick</strong>: ${__('Kick user from groupchat')}`, `<strong>/me</strong>: ${__('Write in 3rd person')}`, `<strong>/member</strong>: ${__('Grant membership to a user')}`, `<strong>/mute</strong>: ${__("Remove user's ability to post messages")}`, `<strong>/nick</strong>: ${__('Change your nickname')}`, `<strong>/op</strong>: ${__('Grant moderator role to user')}`, `<strong>/owner</strong>: ${__('Grant ownership of this groupchat')}`, `<strong>/register</strong>: ${__("Register a nickname for this groupchat")}`, `<strong>/revoke</strong>: ${__("Revoke user's membership")}`, `<strong>/subject</strong>: ${__('Set groupchat subject')}`, `<strong>/topic</strong>: ${__('Set groupchat subject (alias for /subject)')}`, `<strong>/voice</strong>: ${__('Allow muted user to post messages')}`]);
            break;

          case 'kick':
            if (!this.verifyRoles(['moderator']) || !this.validateRoleChangeCommand(command, args)) {
              break;
            }

            this.modifyRole(this.model.get('jid'), args[0], 'none', args[1], undefined, this.onCommandError.bind(this));
            break;

          case 'mute':
            if (!this.verifyRoles(['moderator']) || !this.validateRoleChangeCommand(command, args)) {
              break;
            }

            this.modifyRole(this.model.get('jid'), args[0], 'visitor', args[1], undefined, this.onCommandError.bind(this));
            break;

          case 'member':
            {
              if (!this.verifyAffiliations(['admin', 'owner']) || !this.validateRoleChangeCommand(command, args)) {
                break;
              }

              const occupant = this.model.occupants.findWhere({
                'nick': args[0]
              }) || this.model.occupants.findWhere({
                'jid': args[0]
              }),
                    attrs = {
                'jid': occupant.get('jid'),
                'reason': args[1]
              };

              if (_converse.auto_register_muc_nickname) {
                attrs['nick'] = occupant.get('nick');
              }

              this.model.setAffiliation('member', [attrs]).then(() => this.model.occupants.fetchMembers()).catch(err => this.onCommandError(err));
              break;
            }

          case 'nick':
            if (!this.verifyRoles(['visitor', 'participant', 'moderator'])) {
              break;
            }

            _converse.api.send($pres({
              from: _converse.connection.jid,
              to: this.model.getRoomJIDAndNick(match[2]),
              id: _converse.connection.getUniqueId()
            }).tree());

            break;

          case 'owner':
            if (!this.verifyAffiliations(['owner']) || !this.validateRoleChangeCommand(command, args)) {
              break;
            }

            this.model.setAffiliation('owner', [{
              'jid': args[0],
              'reason': args[1]
            }]).then(() => this.model.occupants.fetchMembers(), err => this.onCommandError(err));
            break;

          case 'op':
            if (!this.verifyAffiliations(['admin', 'owner']) || !this.validateRoleChangeCommand(command, args)) {
              break;
            }

            this.modifyRole(this.model.get('jid'), args[0], 'moderator', args[1], undefined, this.onCommandError.bind(this));
            break;

          case 'register':
            if (args.length > 1) {
              this.showErrorMessage(__('Error: invalid number of arguments'));
            } else {
              this.model.registerNickname().then(err_msg => {
                if (err_msg) this.showErrorMessage(err_msg);
              });
            }

            break;

          case 'revoke':
            if (!this.verifyAffiliations(['admin', 'owner']) || !this.validateRoleChangeCommand(command, args)) {
              break;
            }

            this.model.setAffiliation('none', [{
              'jid': args[0],
              'reason': args[1]
            }]).then(() => this.model.occupants.fetchMembers(), err => this.onCommandError(err));
            break;

          case 'topic':
          case 'subject':
            // TODO: should be done via API call to _converse.api.rooms
            _converse.api.send($msg({
              to: this.model.get('jid'),
              from: _converse.connection.jid,
              type: "groupchat"
            }).c("subject", {
              xmlns: "jabber:client"
            }).t(match[2] || "").tree());

            break;

          case 'voice':
            if (!this.verifyRoles(['moderator']) || !this.validateRoleChangeCommand(command, args)) {
              break;
            }

            this.modifyRole(this.model.get('jid'), args[0], 'participant', args[1], undefined, this.onCommandError.bind(this));
            break;

          default:
            return _converse.ChatBoxView.prototype.parseMessageForCommands.apply(this, arguments);
        }

        return true;
      },

      registerHandlers() {
        /* Register presence and message handlers for this chat
         * groupchat
         */
        // XXX: Ideally this can be refactored out so that we don't
        // need to do stanza processing inside the views in this
        // module. See the comment in "onPresence" for more info.
        this.model.addHandler('presence', 'ChatRoomView.onPresence', this.onPresence.bind(this)); // XXX instead of having a method showStatusMessages, we could instead
        // create message models in converse-muc.js and then give them views in this module.

        this.model.addHandler('message', 'ChatRoomView.showStatusMessages', this.showStatusMessages.bind(this));
      },

      onPresence(pres) {
        /* Handles all MUC presence stanzas.
         *
         * Parameters:
         *  (XMLElement) pres: The stanza
         */
        // XXX: Current thinking is that excessive stanza
        // processing inside a view is a "code smell".
        // Instead stanza processing should happen inside the
        // models/collections.
        if (pres.getAttribute('type') === 'error') {
          this.showErrorMessageFromPresence(pres);
        } else {
          // Instead of doing it this way, we could perhaps rather
          // create StatusMessage objects inside the messages
          // Collection and then simply render those. Then stanza
          // processing is done on the model and rendering in the
          // view(s).
          this.showStatusMessages(pres);
        }
      },

      populateAndJoin() {
        this.model.occupants.fetchMembers();
        this.join();
        this.fetchMessages();
      },

      join(nick, password) {
        /* Join the groupchat.
         *
         * Parameters:
         *  (String) nick: The user's nickname
         *  (String) password: Optional password, if required by
         *      the groupchat.
         */
        if (!nick && !this.model.get('nick')) {
          this.checkForReservedNick();
          return this;
        }

        this.model.join(nick, password);
        return this;
      },

      renderConfigurationForm(stanza) {
        /* Renders a form given an IQ stanza containing the current
         * groupchat configuration.
         *
         * Returns a promise which resolves once the user has
         * either submitted the form, or canceled it.
         *
         * Parameters:
         *  (XMLElement) stanza: The IQ stanza containing the groupchat
         *      config.
         */
        const container_el = this.el.querySelector('.chatroom-body');

        _.each(container_el.querySelectorAll('.chatroom-form-container'), u.removeElement);

        _.each(container_el.children, u.hideElement);

        container_el.insertAdjacentHTML('beforeend', templates_chatroom_form_html__WEBPACK_IMPORTED_MODULE_12___default()());

        const form_el = container_el.querySelector('form.chatroom-form'),
              fieldset_el = form_el.querySelector('fieldset'),
              fields = stanza.querySelectorAll('field'),
              title = _.get(stanza.querySelector('title'), 'textContent'),
              instructions = _.get(stanza.querySelector('instructions'), 'textContent');

        u.removeElement(fieldset_el.querySelector('span.spinner'));
        fieldset_el.insertAdjacentHTML('beforeend', `<legend>${title}</legend>`);

        if (instructions && instructions !== title) {
          fieldset_el.insertAdjacentHTML('beforeend', `<p class="form-help">${instructions}</p>`);
        }

        _.each(fields, field => fieldset_el.insertAdjacentHTML('beforeend', u.xForm2webForm(field, stanza))); // Render save/cancel buttons


        const last_fieldset_el = document.createElement('fieldset');
        last_fieldset_el.insertAdjacentHTML('beforeend', `<input type="submit" class="btn btn-primary" value="${__('Save')}"/>`);
        last_fieldset_el.insertAdjacentHTML('beforeend', `<input type="button" class="btn btn-secondary" value="${__('Cancel')}"/>`);
        form_el.insertAdjacentElement('beforeend', last_fieldset_el);
        last_fieldset_el.querySelector('input[type=button]').addEventListener('click', ev => {
          ev.preventDefault();
          this.closeForm();
        });
        form_el.addEventListener('submit', ev => {
          ev.preventDefault();
          this.model.saveConfiguration(ev.target).then(() => this.model.refreshRoomFeatures());
          this.closeForm();
        }, false);
      },

      closeForm() {
        /* Remove the configuration form without submitting and
         * return to the chat view.
         */
        u.removeElement(this.el.querySelector('.chatroom-form-container'));
        this.renderAfterTransition();
      },

      getAndRenderConfigurationForm(ev) {
        /* Start the process of configuring a groupchat, either by
         * rendering a configuration form, or by auto-configuring
         * based on the "roomconfig" data stored on the
         * Backbone.Model.
         *
         * Stores the new configuration on the Backbone.Model once
         * completed.
         *
         * Paremeters:
         *  (Event) ev: DOM event that might be passed in if this
         *      method is called due to a user action. In this
         *      case, auto-configure won't happen, regardless of
         *      the settings.
         */
        this.showSpinner();
        this.model.fetchRoomConfiguration().then(iq => this.renderConfigurationForm(iq)).catch(_.partial(_converse.log, _, Strophe.LogLevel.ERROR));
      },

      submitNickname(ev) {
        /* Get the nickname value from the form and then join the
         * groupchat with it.
         */
        ev.preventDefault();
        const nick_el = ev.target.nick;
        const nick = nick_el.value;

        if (!nick) {
          nick_el.classList.add('error');
          return;
        } else {
          nick_el.classList.remove('error');
        }

        this.el.querySelector('.chatroom-form-container').outerHTML = templates_spinner_html__WEBPACK_IMPORTED_MODULE_25___default()();
        this.join(nick);
      },

      checkForReservedNick() {
        /* User service-discovery to ask the XMPP server whether
         * this user has a reserved nickname for this groupchat.
         * If so, we'll use that, otherwise we render the nickname form.
         */
        this.showSpinner();
        this.model.checkForReservedNick().then(this.onReservedNickFound.bind(this)).catch(this.onReservedNickNotFound.bind(this));
      },

      onReservedNickFound(iq) {
        if (this.model.get('nick')) {
          this.join();
        } else {
          this.onReservedNickNotFound();
        }
      },

      onReservedNickNotFound(message) {
        const nick = this.model.getDefaultNick();

        if (nick) {
          this.join(nick);
        } else {
          this.renderNicknameForm(message);
        }
      },

      onNicknameClash(presence) {
        /* When the nickname is already taken, we either render a
         * form for the user to choose a new nickname, or we
         * try to make the nickname unique by adding an integer to
         * it. So john will become john-2, and then john-3 and so on.
         *
         * Which option is take depends on the value of
         * muc_nickname_from_jid.
         */
        if (_converse.muc_nickname_from_jid) {
          const nick = presence.getAttribute('from').split('/')[1];

          if (nick === this.model.getDefaultNick()) {
            this.join(nick + '-2');
          } else {
            const del = nick.lastIndexOf("-");
            const num = nick.substring(del + 1, nick.length);
            this.join(nick.substring(0, del + 1) + String(Number(num) + 1));
          }
        } else {
          this.renderNicknameForm(__("The nickname you chose is reserved or " + "currently in use, please choose a different one."));
        }
      },

      hideChatRoomContents() {
        const container_el = this.el.querySelector('.chatroom-body');

        if (!_.isNull(container_el)) {
          _.each(container_el.children, child => {
            child.classList.add('hidden');
          });
        }
      },

      renderNicknameForm(message) {
        /* Render a form which allows the user to choose their
         * nickname.
         */
        this.hideChatRoomContents();

        _.each(this.el.querySelectorAll('span.centered.spinner'), u.removeElement);

        if (!_.isString(message)) {
          message = '';
        }

        const container_el = this.el.querySelector('.chatroom-body');
        container_el.insertAdjacentHTML('beforeend', templates_chatroom_nickname_form_html__WEBPACK_IMPORTED_MODULE_15___default()({
          heading: __('Please choose your nickname'),
          label_nickname: __('Nickname'),
          label_join: __('Enter groupchat'),
          validation_message: message
        }));
        this.model.save('connection_status', _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_3__["default"].ROOMSTATUS.NICKNAME_REQUIRED);
        const form_el = this.el.querySelector('.chatroom-form');
        form_el.addEventListener('submit', this.submitNickname.bind(this), false);
      },

      submitPassword(ev) {
        ev.preventDefault();
        const password = this.el.querySelector('.chatroom-form input[type=password]').value;
        this.showSpinner();
        this.join(this.model.get('nick'), password);
      },

      renderPasswordForm() {
        const container_el = this.el.querySelector('.chatroom-body');

        _.each(container_el.children, u.hideElement);

        _.each(this.el.querySelectorAll('.spinner'), u.removeElement);

        _.each(this.el.querySelectorAll('.chatroom-form-container'), u.removeElement);

        container_el.insertAdjacentHTML('beforeend', templates_chatroom_password_form_html__WEBPACK_IMPORTED_MODULE_16___default()({
          'heading': __('This groupchat requires a password'),
          'label_password': __('Password: '),
          'label_submit': __('Submit')
        }));
        this.model.save('connection_status', _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_3__["default"].ROOMSTATUS.PASSWORD_REQUIRED);
        this.el.querySelector('.chatroom-form').addEventListener('submit', ev => this.submitPassword(ev), false);
      },

      showDestroyedMessage(error) {
        u.hideElement(this.el.querySelector('.chat-area'));
        u.hideElement(this.el.querySelector('.occupants'));

        _.each(this.el.querySelectorAll('.spinner'), u.removeElement);

        const container = this.el.querySelector('.disconnect-container');

        const moved_jid = _.get(sizzle('gone[xmlns="urn:ietf:params:xml:ns:xmpp-stanzas"]', error).pop(), 'textContent').replace(/^xmpp:/, '').replace(/\?join$/, '');

        const reason = _.get(sizzle('text[xmlns="urn:ietf:params:xml:ns:xmpp-stanzas"]', error).pop(), 'textContent');

        container.innerHTML = templates_chatroom_destroyed_html__WEBPACK_IMPORTED_MODULE_8___default()({
          '_': _,
          '__': __,
          'jid': moved_jid,
          'reason': reason ? `"${reason}"` : null
        });
        const switch_el = container.querySelector('a.switch-chat');

        if (switch_el) {
          switch_el.addEventListener('click', ev => {
            ev.preventDefault();
            this.model.save('jid', moved_jid);
            container.innerHTML = '';
            this.showSpinner();
            this.enterRoom();
          });
        }

        u.showElement(container);
      },

      showDisconnectMessages(msgs) {
        if (_.isString(msgs)) {
          msgs = [msgs];
        }

        u.hideElement(this.el.querySelector('.chat-area'));
        u.hideElement(this.el.querySelector('.occupants'));

        _.each(this.el.querySelectorAll('.spinner'), u.removeElement);

        const container = this.el.querySelector('.disconnect-container');
        container.innerHTML = templates_chatroom_disconnect_html__WEBPACK_IMPORTED_MODULE_10___default()({
          '_': _,
          'disconnect_messages': msgs
        });
        u.showElement(container);
      },

      getMessageFromStatus(stat, stanza, is_self) {
        /* Parameters:
         *  (XMLElement) stat: A <status> element.
         *  (Boolean) is_self: Whether the element refers to the
         *                     current user.
         *  (XMLElement) stanza: The original stanza received.
         */
        const code = stat.getAttribute('code');

        if (code === '110' || code === '100' && !is_self) {
          return;
        }

        if (code in _converse.muc.info_messages) {
          return _converse.muc.info_messages[code];
        }

        let nick;

        if (!is_self) {
          if (code in _converse.muc.action_info_messages) {
            nick = Strophe.getResourceFromJid(stanza.getAttribute('from'));
            return __(_converse.muc.action_info_messages[code], nick);
          }
        } else if (code in _converse.muc.new_nickname_messages) {
          if (is_self && code === "210") {
            nick = Strophe.getResourceFromJid(stanza.getAttribute('from'));
          } else if (is_self && code === "303") {
            nick = stanza.querySelector('x item').getAttribute('nick');
          }

          return __(_converse.muc.new_nickname_messages[code], nick);
        }

        return;
      },

      getNotificationWithMessage(message) {
        let el = this.content.lastElementChild;

        while (!_.isNil(el)) {
          const data = _.get(el, 'dataset', {});

          if (!_.includes(_.get(el, 'classList', []), 'chat-info')) {
            return;
          }

          if (el.textContent === message) {
            return el;
          }

          el = el.previousElementSibling;
        }
      },

      parseXUserElement(x, stanza, is_self) {
        /* Parse the passed-in <x xmlns='http://jabber.org/protocol/muc#user'>
         * element and construct a map containing relevant
         * information.
         */
        // 1. Get notification messages based on the <status> elements.
        const statuses = x.querySelectorAll('status');

        const mapper = _.partial(this.getMessageFromStatus, _, stanza, is_self);

        const notification = {};

        const messages = _.reject(_.reject(_.map(statuses, mapper), _.isUndefined), message => this.getNotificationWithMessage(message));

        if (messages.length) {
          notification.messages = messages;
        } // 2. Get disconnection messages based on the <status> elements


        const codes = _.invokeMap(statuses, Element.prototype.getAttribute, 'code');

        const disconnection_codes = _.intersection(codes, _.keys(_converse.muc.disconnect_messages));

        const disconnected = is_self && disconnection_codes.length > 0;

        if (disconnected) {
          notification.disconnected = true;
          notification.disconnection_message = _converse.muc.disconnect_messages[disconnection_codes[0]];
        } // 3. Find the reason and actor from the <item> element


        const item = x.querySelector('item'); // By using querySelector above, we assume here there is
        // one <item> per <x xmlns='http://jabber.org/protocol/muc#user'>
        // element. This appears to be a safe assumption, since
        // each <x/> element pertains to a single user.

        if (!_.isNull(item)) {
          const reason = item.querySelector('reason');

          if (reason) {
            notification.reason = reason ? reason.textContent : undefined;
          }

          const actor = item.querySelector('actor');

          if (actor) {
            notification.actor = actor ? actor.getAttribute('nick') : undefined;
          }
        }

        return notification;
      },

      showNotificationsforUser(notification) {
        /* Given the notification object generated by
         * parseXUserElement, display any relevant messages and
         * information to the user.
         */
        if (notification.disconnected) {
          const messages = [];
          messages.push(notification.disconnection_message);

          if (notification.actor) {
            messages.push(__('This action was done by %1$s.', notification.actor));
          }

          if (notification.reason) {
            messages.push(__('The reason given is: "%1$s".', notification.reason));
          }

          this.showDisconnectMessages(messages);
          this.model.save('connection_status', _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_3__["default"].ROOMSTATUS.DISCONNECTED);
          return;
        }

        _.each(notification.messages, message => {
          this.content.insertAdjacentHTML('beforeend', templates_info_html__WEBPACK_IMPORTED_MODULE_18___default()({
            'isodate': moment().format(),
            'extra_classes': 'chat-event',
            'message': message
          }));
        });

        if (notification.reason) {
          this.showChatEvent(__('The reason given is: "%1$s".', notification.reason));
        }

        if (_.get(notification.messages, 'length')) {
          this.scrollDown();
        }
      },

      onOccupantAdded(occupant) {
        if (occupant.get('show') === 'online') {
          this.showJoinNotification(occupant);
        }
      },

      onOccupantRemoved(occupant) {
        if (occupant.get('show') === 'online') {
          this.showLeaveNotification(occupant);
        }
      },

      showJoinOrLeaveNotification(occupant) {
        if (_.includes(occupant.get('states'), '303')) {
          return;
        }

        if (occupant.get('show') === 'offline') {
          this.showLeaveNotification(occupant);
        } else if (occupant.get('show') === 'online') {
          this.showJoinNotification(occupant);
        }
      },

      getPreviousJoinOrLeaveNotification(el, nick) {
        /* Working backwards, get the first join/leave notification
         * from the same user, on the same day and BEFORE any chat
         * messages were received.
         */
        while (!_.isNil(el)) {
          const data = _.get(el, 'dataset', {});

          if (!_.includes(_.get(el, 'classList', []), 'chat-info')) {
            return;
          }

          if (!moment(el.getAttribute('data-isodate')).isSame(new Date(), "day")) {
            el = el.previousElementSibling;
            continue;
          }

          if (data.join === nick || data.leave === nick || data.leavejoin === nick || data.joinleave === nick) {
            return el;
          }

          el = el.previousElementSibling;
        }
      },

      showJoinNotification(occupant) {
        if (this.model.get('connection_status') !== _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_3__["default"].ROOMSTATUS.ENTERED) {
          return;
        }

        const nick = occupant.get('nick'),
              stat = occupant.get('status'),
              prev_info_el = this.getPreviousJoinOrLeaveNotification(this.content.lastElementChild, nick),
              data = _.get(prev_info_el, 'dataset', {});

        if (data.leave === nick) {
          let message;

          if (_.isNil(stat)) {
            message = __('%1$s has left and re-entered the groupchat', nick);
          } else {
            message = __('%1$s has left and re-entered the groupchat. "%2$s"', nick, stat);
          }

          const data = {
            'data_name': 'leavejoin',
            'data_value': nick,
            'isodate': moment().format(),
            'extra_classes': 'chat-event',
            'message': message
          };
          this.content.removeChild(prev_info_el);
          this.content.insertAdjacentHTML('beforeend', templates_info_html__WEBPACK_IMPORTED_MODULE_18___default()(data));
          const el = this.content.lastElementChild;
          setTimeout(() => u.addClass('fade-out', el), 5000);
          setTimeout(() => el.parentElement && el.parentElement.removeChild(el), 5500);
        } else {
          let message;

          if (_.isNil(stat)) {
            message = __('%1$s has entered the groupchat', nick);
          } else {
            message = __('%1$s has entered the groupchat. "%2$s"', nick, stat);
          }

          const data = {
            'data_name': 'join',
            'data_value': nick,
            'isodate': moment().format(),
            'extra_classes': 'chat-event',
            'message': message
          };

          if (prev_info_el) {
            this.content.removeChild(prev_info_el);
            this.content.insertAdjacentHTML('beforeend', templates_info_html__WEBPACK_IMPORTED_MODULE_18___default()(data));
          } else {
            this.content.insertAdjacentHTML('beforeend', templates_info_html__WEBPACK_IMPORTED_MODULE_18___default()(data));
            this.insertDayIndicator(this.content.lastElementChild);
          }
        }

        this.scrollDown();
      },

      showLeaveNotification(occupant) {
        if (_.includes(occupant.get('states'), '303') || _.includes(occupant.get('states'), '307')) {
          return;
        }

        const nick = occupant.get('nick'),
              stat = occupant.get('status'),
              prev_info_el = this.getPreviousJoinOrLeaveNotification(this.content.lastElementChild, nick),
              dataset = _.get(prev_info_el, 'dataset', {});

        if (dataset.join === nick) {
          let message;

          if (_.isNil(stat)) {
            message = __('%1$s has entered and left the groupchat', nick);
          } else {
            message = __('%1$s has entered and left the groupchat. "%2$s"', nick, stat);
          }

          const data = {
            'data_name': 'joinleave',
            'data_value': nick,
            'isodate': moment().format(),
            'extra_classes': 'chat-event',
            'message': message
          };
          this.content.removeChild(prev_info_el);
          this.content.insertAdjacentHTML('beforeend', templates_info_html__WEBPACK_IMPORTED_MODULE_18___default()(data));
          const el = this.content.lastElementChild;
          setTimeout(() => u.addClass('fade-out', el), 5000);
          setTimeout(() => el.parentElement && el.parentElement.removeChild(el), 5500);
        } else {
          let message;

          if (_.isNil(stat)) {
            message = __('%1$s has left the groupchat', nick);
          } else {
            message = __('%1$s has left the groupchat. "%2$s"', nick, stat);
          }

          const data = {
            'message': message,
            'isodate': moment().format(),
            'extra_classes': 'chat-event',
            'data_name': 'leave',
            'data_value': nick
          };

          if (prev_info_el) {
            this.content.removeChild(prev_info_el);
            this.content.insertAdjacentHTML('beforeend', templates_info_html__WEBPACK_IMPORTED_MODULE_18___default()(data));
          } else {
            this.content.insertAdjacentHTML('beforeend', templates_info_html__WEBPACK_IMPORTED_MODULE_18___default()(data));
            this.insertDayIndicator(this.content.lastElementChild);
          }
        }

        this.scrollDown();
      },

      showStatusMessages(stanza) {
        /* Check for status codes and communicate their purpose to the user.
         * See: http://xmpp.org/registrar/mucstatus.html
         *
         * Parameters:
         *  (XMLElement) stanza: The message or presence stanza
         *      containing the status codes.
         */
        const elements = sizzle(`x[xmlns="${Strophe.NS.MUC_USER}"]`, stanza);
        const is_self = stanza.querySelectorAll("status[code='110']").length;

        const iteratee = _.partial(this.parseXUserElement.bind(this), _, stanza, is_self);

        const notifications = _.reject(_.map(elements, iteratee), _.isEmpty);

        _.each(notifications, this.showNotificationsforUser.bind(this));
      },

      showErrorMessageFromPresence(presence) {
        // We didn't enter the groupchat, so we must remove it from the MUC add-on
        const error = presence.querySelector('error');

        if (error.getAttribute('type') === 'auth') {
          if (!_.isNull(error.querySelector('not-authorized'))) {
            this.renderPasswordForm();
          } else if (!_.isNull(error.querySelector('registration-required'))) {
            this.showDisconnectMessages(__('You are not on the member list of this groupchat.'));
          } else if (!_.isNull(error.querySelector('forbidden'))) {
            this.showDisconnectMessages(__('You have been banned from this groupchat.'));
          }
        } else if (error.getAttribute('type') === 'modify') {
          if (!_.isNull(error.querySelector('jid-malformed'))) {
            this.showDisconnectMessages(__('No nickname was specified.'));
          }
        } else if (error.getAttribute('type') === 'cancel') {
          if (!_.isNull(error.querySelector('not-allowed'))) {
            this.showDisconnectMessages(__('You are not allowed to create new groupchats.'));
          } else if (!_.isNull(error.querySelector('not-acceptable'))) {
            this.showDisconnectMessages(__("Your nickname doesn't conform to this groupchat's policies."));
          } else if (sizzle('gone[xmlns="urn:ietf:params:xml:ns:xmpp-stanzas"]', error).length) {
            this.showDestroyedMessage(error);
          } else if (!_.isNull(error.querySelector('conflict'))) {
            this.onNicknameClash(presence);
          } else if (!_.isNull(error.querySelector('item-not-found'))) {
            this.showDisconnectMessages(__("This groupchat does not (yet) exist."));
          } else if (!_.isNull(error.querySelector('service-unavailable'))) {
            this.showDisconnectMessages(__("This groupchat has reached its maximum number of participants."));
          } else if (!_.isNull(error.querySelector('remote-server-not-found'))) {
            const messages = [__("Remote server not found")];

            const reason = _.get(error.querySelector('text'), 'textContent');

            if (reason) {
              messages.push(__('The explanation given is: "%1$s".', reason));
            }

            this.showDisconnectMessages(messages);
          }
        }
      },

      renderAfterTransition() {
        /* Rerender the groupchat after some kind of transition. For
         * example after the spinner has been removed or after a
         * form has been submitted and removed.
         */
        if (this.model.get('connection_status') == _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_3__["default"].ROOMSTATUS.NICKNAME_REQUIRED) {
          this.renderNicknameForm();
        } else if (this.model.get('connection_status') == _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_3__["default"].ROOMSTATUS.PASSWORD_REQUIRED) {
          this.renderPasswordForm();
        } else {
          this.el.querySelector('.chat-area').classList.remove('hidden');
          this.setOccupantsVisibility();
          this.scrollDown();
        }
      },

      showSpinner() {
        u.removeElement(this.el.querySelector('.spinner'));
        const container_el = this.el.querySelector('.chatroom-body');
        const children = Array.prototype.slice.call(container_el.children, 0);
        container_el.insertAdjacentHTML('afterbegin', templates_spinner_html__WEBPACK_IMPORTED_MODULE_25___default()());

        _.each(children, u.hideElement);
      },

      hideSpinner() {
        /* Check if the spinner is being shown and if so, hide it.
         * Also make sure then that the chat area and occupants
         * list are both visible.
         */
        const spinner = this.el.querySelector('.spinner');

        if (!_.isNull(spinner)) {
          u.removeElement(spinner);
          this.renderAfterTransition();
        }

        return this;
      },

      setChatRoomSubject() {
        // For translators: the %1$s and %2$s parts will get
        // replaced by the user and topic text respectively
        // Example: Topic set by JC Brand to: Hello World!
        const subject = this.model.get('subject'),
              message = subject.text ? __('Topic set by %1$s', subject.author) : __('Topic cleared by %1$s', subject.author),
              date = moment().format();
        this.content.insertAdjacentHTML('beforeend', templates_info_html__WEBPACK_IMPORTED_MODULE_18___default()({
          'isodate': date,
          'extra_classes': 'chat-event',
          'message': message
        }));

        if (subject.text) {
          this.content.insertAdjacentHTML('beforeend', templates_info_html__WEBPACK_IMPORTED_MODULE_18___default()({
            'isodate': date,
            'extra_classes': 'chat-topic',
            'message': u.addHyperlinks(xss__WEBPACK_IMPORTED_MODULE_26___default.a.filterXSS(_.get(this.model.get('subject'), 'text'), {
              'whiteList': {}
            })),
            'render_message': true
          }));
        }

        this.scrollDown();
      }

    });
    _converse.RoomsPanel = Backbone.NativeView.extend({
      /* Backbone.NativeView which renders MUC section of the control box.
       */
      tagName: 'div',
      className: 'controlbox-section',
      id: 'chatrooms',
      events: {
        'click a.controlbox-heading__btn.show-add-muc-modal': 'showAddRoomModal',
        'click a.controlbox-heading__btn.show-list-muc-modal': 'showListRoomsModal'
      },

      render() {
        this.el.innerHTML = templates_room_panel_html__WEBPACK_IMPORTED_MODULE_23___default()({
          'heading_chatrooms': __('Groupchats'),
          'title_new_room': __('Add a new groupchat'),
          'title_list_rooms': __('Query for groupchats')
        });
        return this;
      },

      showAddRoomModal(ev) {
        if (_.isUndefined(this.add_room_modal)) {
          this.add_room_modal = new _converse.AddChatRoomModal({
            'model': this.model
          });
        }

        this.add_room_modal.show(ev);
      },

      showListRoomsModal(ev) {
        if (_.isUndefined(this.list_rooms_modal)) {
          this.list_rooms_modal = new _converse.ListChatRoomsModal({
            'model': this.model
          });
        }

        this.list_rooms_modal.show(ev);
      }

    });
    _converse.ChatRoomOccupantView = Backbone.VDOMView.extend({
      tagName: 'li',

      initialize() {
        this.model.on('change', this.render, this);
      },

      toHTML() {
        const show = this.model.get('show');
        return templates_occupant_html__WEBPACK_IMPORTED_MODULE_20___default()(_.extend({
          '_': _,
          // XXX Normally this should already be included,
          // but with the current webpack build,
          // we only get a subset of the _ methods.
          'jid': '',
          'show': show,
          'hint_show': _converse.PRETTY_CHAT_STATUS[show],
          'hint_occupant': __('Click to mention %1$s in your message.', this.model.get('nick')),
          'desc_moderator': __('This user is a moderator.'),
          'desc_participant': __('This user can send messages in this groupchat.'),
          'desc_visitor': __('This user can NOT send messages in this groupchat.'),
          'label_moderator': __('Moderator'),
          'label_visitor': __('Visitor'),
          'label_owner': __('Owner'),
          'label_member': __('Member'),
          'label_admin': __('Admin')
        }, this.model.toJSON()));
      },

      destroy() {
        this.el.parentElement.removeChild(this.el);
      }

    });
    _converse.ChatRoomOccupantsView = Backbone.OrderedListView.extend({
      tagName: 'div',
      className: 'occupants col-md-3 col-4',
      listItems: 'model',
      sortEvent: 'change:role',
      listSelector: '.occupant-list',
      ItemView: _converse.ChatRoomOccupantView,

      initialize() {
        Backbone.OrderedListView.prototype.initialize.apply(this, arguments);
        this.chatroomview = this.model.chatroomview;
        this.chatroomview.model.on('change:open', this.renderInviteWidget, this);
        this.chatroomview.model.on('change:affiliation', this.renderInviteWidget, this);
        this.chatroomview.model.features.on('change', this.renderRoomFeatures, this);
        this.render();
        this.model.fetch({
          'add': true,
          'silent': true,
          'success': this.sortAndPositionAllItems.bind(this)
        });
      },

      render() {
        this.el.innerHTML = templates_chatroom_sidebar_html__WEBPACK_IMPORTED_MODULE_17___default()(_.extend(this.chatroomview.model.toJSON(), {
          'allow_muc_invitations': _converse.allow_muc_invitations,
          'label_occupants': __('Participants')
        }));

        if (_converse.allow_muc_invitations) {
          _converse.api.waitUntil('rosterContactsFetched').then(this.renderInviteWidget.bind(this));
        }

        return this.renderRoomFeatures();
      },

      renderInviteWidget() {
        const form = this.el.querySelector('form.room-invite');

        if (this.shouldInviteWidgetBeShown()) {
          if (_.isNull(form)) {
            const heading = this.el.querySelector('.occupants-heading');
            heading.insertAdjacentHTML('afterend', templates_chatroom_invite_html__WEBPACK_IMPORTED_MODULE_14___default()({
              'error_message': null,
              'label_invitation': __('Invite')
            }));
            this.initInviteWidget();
          }
        } else if (!_.isNull(form)) {
          form.remove();
        }

        return this;
      },

      renderRoomFeatures() {
        const features = this.chatroomview.model.features,
              picks = _.pick(features.attributes, _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_3__["default"].ROOM_FEATURES),
              iteratee = (a, v) => a || v;

        if (_.reduce(_.values(picks), iteratee)) {
          const el = this.el.querySelector('.chatroom-features');
          el.innerHTML = templates_chatroom_features_html__WEBPACK_IMPORTED_MODULE_11___default()(_.extend(features.toJSON(), {
            __
          }));
          this.setOccupantsHeight();
        }

        return this;
      },

      setOccupantsHeight() {
        const el = this.el.querySelector('.chatroom-features');
        this.el.querySelector('.occupant-list').style.cssText = `height: calc(100% - ${el.offsetHeight}px - 5em);`;
      },

      promptForInvite(suggestion) {
        const reason = prompt(__('You are about to invite %1$s to the groupchat "%2$s". ' + 'You may optionally include a message, explaining the reason for the invitation.', suggestion.text.label, this.model.get('id')));

        if (reason !== null) {
          this.chatroomview.model.directInvite(suggestion.text.value, reason);
        }

        const form = suggestion.target.form,
              error = form.querySelector('.pure-form-message.error');

        if (!_.isNull(error)) {
          error.parentNode.removeChild(error);
        }

        suggestion.target.value = '';
      },

      inviteFormSubmitted(evt) {
        evt.preventDefault();
        const el = evt.target.querySelector('input.invited-contact'),
              jid = el.value;

        if (!jid || _.compact(jid.split('@')).length < 2) {
          evt.target.outerHTML = templates_chatroom_invite_html__WEBPACK_IMPORTED_MODULE_14___default()({
            'error_message': __('Please enter a valid XMPP username'),
            'label_invitation': __('Invite')
          });
          this.initInviteWidget();
          return;
        }

        this.promptForInvite({
          'target': el,
          'text': {
            'label': jid,
            'value': jid
          }
        });
      },

      shouldInviteWidgetBeShown() {
        return _converse.allow_muc_invitations && (this.chatroomview.model.get('open') || this.chatroomview.model.get('affiliation') === "owner");
      },

      initInviteWidget() {
        const form = this.el.querySelector('form.room-invite');

        if (_.isNull(form)) {
          return;
        }

        form.addEventListener('submit', this.inviteFormSubmitted.bind(this), false);
        const el = this.el.querySelector('input.invited-contact');

        const list = _converse.roster.map(function (item) {
          const label = item.get('fullname') || item.get('jid');
          return {
            'label': label,
            'value': item.get('jid')
          };
        });

        const awesomplete = new awesomplete__WEBPACK_IMPORTED_MODULE_1___default.a(el, {
          'minChars': 1,
          'list': list
        });
        el.addEventListener('awesomplete-selectcomplete', this.promptForInvite.bind(this));
      }

    });

    function setMUCDomain(domain, controlboxview) {
      _converse.muc_domain = domain;
      controlboxview.roomspanel.model.save('muc_domain', Strophe.getDomainFromJid(domain));
    }

    function setMUCDomainFromDisco(controlboxview) {
      /* Check whether service discovery for the user's domain
       * returned MUC information and use that to automatically
       * set the MUC domain in the "Add groupchat" modal.
       */
      function featureAdded(feature) {
        if (!feature) {
          return;
        }

        if (feature.get('var') === Strophe.NS.MUC) {
          feature.entity.getIdentity('conference', 'text').then(identity => {
            if (identity) {
              setMUCDomain(feature.get('from'), controlboxview);
            }
          });
        }
      }

      _converse.api.waitUntil('discoInitialized').then(() => {
        _converse.api.listen.on('serviceDiscovered', featureAdded); // Features could have been added before the controlbox was
        // initialized. We're only interested in MUC


        _converse.disco_entities.each(entity => featureAdded(entity.features.findWhere({
          'var': Strophe.NS.MUC
        })));
      }).catch(_.partial(_converse.log, _, Strophe.LogLevel.ERROR));
    }

    function fetchAndSetMUCDomain(controlboxview) {
      if (controlboxview.model.get('connected')) {
        if (!controlboxview.roomspanel.model.get('muc_domain')) {
          if (_.isUndefined(_converse.muc_domain)) {
            setMUCDomainFromDisco(controlboxview);
          } else {
            setMUCDomain(_converse.muc_domain, controlboxview);
          }
        }
      }
    }
    /************************ BEGIN Event Handlers ************************/


    _converse.on('chatBoxViewsInitialized', () => {
      function openChatRoomFromURIClicked(ev) {
        ev.preventDefault();

        _converse.api.rooms.open(ev.target.href);
      }

      _converse.chatboxviews.delegate('click', 'a.open-chatroom', openChatRoomFromURIClicked);

      const that = _converse.chatboxviews;

      _converse.chatboxes.on('add', item => {
        if (!that.get(item.get('id')) && item.get('type') === _converse.CHATROOMS_TYPE) {
          return that.add(item.get('id'), new _converse.ChatRoomView({
            'model': item
          }));
        }
      });
    });

    _converse.on('controlboxInitialized', view => {
      if (!_converse.allow_muc) {
        return;
      }

      fetchAndSetMUCDomain(view);
      view.model.on('change:connected', _.partial(fetchAndSetMUCDomain, view));
    });

    function reconnectToChatRooms() {
      /* Upon a reconnection event from converse, join again
       * all the open groupchats.
       */
      _converse.chatboxviews.each(function (view) {
        if (view.model.get('type') === _converse.CHATROOMS_TYPE) {
          view.model.save('connection_status', _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_3__["default"].ROOMSTATUS.DISCONNECTED);
          view.model.registerHandlers();
          view.populateAndJoin();
        }
      });
    }

    _converse.on('reconnected', reconnectToChatRooms);
    /************************ END Event Handlers ************************/

    /************************ BEGIN API ************************/


    _.extend(_converse.api, {
      /**
       * The "roomviews" namespace groups methods relevant to chatroom
       * (aka groupchats) views.
       *
       * @namespace _converse.api.roomviews
       * @memberOf _converse.api
       */
      'roomviews': {
        /**
         * Lets you close open chatrooms.
         *
         * You can call this method without any arguments to close
         * all open chatrooms, or you can specify a single JID or
         * an array of JIDs.
         *
         * @method _converse.api.roomviews.close
         * @param {(String[]|String)} jids The JID or array of JIDs of the chatroom(s)
         */
        'close'(jids) {
          if (_.isUndefined(jids)) {
            _converse.chatboxviews.each(function (view) {
              if (view.is_chatroom && view.model) {
                view.close();
              }
            });
          } else if (_.isString(jids)) {
            const view = _converse.chatboxviews.get(jids);

            if (view) {
              view.close();
            }
          } else {
            _.each(jids, function (jid) {
              const view = _converse.chatboxviews.get(jid);

              if (view) {
                view.close();
              }
            });
          }
        }

      }
    });
  }

});

/***/ }),

/***/ "./src/converse-notification.js":
/*!**************************************!*\
  !*** ./src/converse-notification.js ***!
  \**************************************/
/*! no exports provided */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! @converse/headless/converse-core */ "./src/headless/converse-core.js");
// Converse.js (A browser based XMPP chat client)
// http://conversejs.org
//
// Copyright (c) 2013-2018, JC Brand <jc@opkode.com>
// Licensed under the Mozilla Public License (MPLv2)
//

/*global define */

const _converse$env = _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_0__["default"].env,
      Strophe = _converse$env.Strophe,
      _ = _converse$env._,
      sizzle = _converse$env.sizzle,
      u = _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_0__["default"].env.utils;
_converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_0__["default"].plugins.add('converse-notification', {
  dependencies: ["converse-chatboxes"],

  initialize() {
    /* The initialize function gets called as soon as the plugin is
     * loaded by converse.js's plugin machinery.
     */
    const _converse = this._converse;
    const __ = _converse.__;
    _converse.supports_html5_notification = "Notification" in window;

    _converse.api.settings.update({
      notify_all_room_messages: false,
      show_desktop_notifications: true,
      show_chatstate_notifications: false,
      chatstate_notification_blacklist: [],
      // ^ a list of JIDs to ignore concerning chat state notifications
      play_sounds: true,
      sounds_path: 'sounds/',
      notification_icon: 'logo/conversejs-filled.svg',
      notification_delay: 5000
    });

    _converse.isOnlyChatStateNotification = msg => // See XEP-0085 Chat State Notification
    _.isNull(msg.querySelector('body')) && (_.isNull(msg.querySelector(_converse.ACTIVE)) || _.isNull(msg.querySelector(_converse.COMPOSING)) || _.isNull(msg.querySelector(_converse.INACTIVE)) || _.isNull(msg.querySelector(_converse.PAUSED)) || _.isNull(msg.querySelector(_converse.GONE)));

    _converse.shouldNotifyOfGroupMessage = function (message) {
      /* Is this a group message worthy of notification?
       */
      let notify_all = _converse.notify_all_room_messages;
      const jid = message.getAttribute('from'),
            resource = Strophe.getResourceFromJid(jid),
            room_jid = Strophe.getBareJidFromJid(jid),
            sender = resource && Strophe.unescapeNode(resource) || '';

      if (sender === '' || message.querySelectorAll('delay').length > 0) {
        return false;
      }

      const room = _converse.chatboxes.get(room_jid);

      const body = message.querySelector('body');

      if (_.isNull(body)) {
        return false;
      }

      const mentioned = new RegExp(`\\b${room.get('nick')}\\b`).test(body.textContent);
      notify_all = notify_all === true || _.isArray(notify_all) && _.includes(notify_all, room_jid);

      if (sender === room.get('nick') || !notify_all && !mentioned) {
        return false;
      }

      return true;
    };

    _converse.isMessageToHiddenChat = function (message) {
      if (_converse.isUniView()) {
        const jid = Strophe.getBareJidFromJid(message.getAttribute('from')),
              view = _converse.chatboxviews.get(jid);

        if (!_.isNil(view)) {
          return view.model.get('hidden') || _converse.windowState === 'hidden' || !u.isVisible(view.el);
        }

        return true;
      }

      return _converse.windowState === 'hidden';
    };

    _converse.shouldNotifyOfMessage = function (message) {
      const forwarded = message.querySelector('forwarded');

      if (!_.isNull(forwarded)) {
        return false;
      } else if (message.getAttribute('type') === 'groupchat') {
        return _converse.shouldNotifyOfGroupMessage(message);
      } else if (u.isHeadlineMessage(_converse, message)) {
        // We want to show notifications for headline messages.
        return _converse.isMessageToHiddenChat(message);
      }

      const is_me = Strophe.getBareJidFromJid(message.getAttribute('from')) === _converse.bare_jid;

      return !_converse.isOnlyChatStateNotification(message) && !is_me && (_converse.show_desktop_notifications === 'all' || _converse.isMessageToHiddenChat(message));
    };

    _converse.playSoundNotification = function () {
      /* Plays a sound to notify that a new message was recieved.
       */
      // XXX Eventually this can be refactored to use Notification's sound
      // feature, but no browser currently supports it.
      // https://developer.mozilla.org/en-US/docs/Web/API/notification/sound
      if (_converse.play_sounds && !_.isUndefined(window.Audio)) {
        const audioOgg = new Audio(_converse.sounds_path + "msg_received.ogg");
        const canPlayOgg = audioOgg.canPlayType('audio/ogg');

        if (canPlayOgg === 'probably') {
          return audioOgg.play();
        }

        const audioMp3 = new Audio(_converse.sounds_path + "msg_received.mp3");
        const canPlayMp3 = audioMp3.canPlayType('audio/mp3');

        if (canPlayMp3 === 'probably') {
          audioMp3.play();
        } else if (canPlayOgg === 'maybe') {
          audioOgg.play();
        } else if (canPlayMp3 === 'maybe') {
          audioMp3.play();
        }
      }
    };

    _converse.areDesktopNotificationsEnabled = function () {
      return _converse.supports_html5_notification && _converse.show_desktop_notifications && Notification.permission === "granted";
    };

    _converse.showMessageNotification = function (message) {
      /* Shows an HTML5 Notification to indicate that a new chat
       * message was received.
       */
      if (!_converse.areDesktopNotificationsEnabled()) {
        return;
      }

      let title, roster_item;
      const full_from_jid = message.getAttribute('from'),
            from_jid = Strophe.getBareJidFromJid(full_from_jid);

      if (message.getAttribute('type') === 'headline') {
        if (!_.includes(from_jid, '@') || _converse.allow_non_roster_messaging) {
          title = __("Notification from %1$s", from_jid);
        } else {
          return;
        }
      } else if (!_.includes(from_jid, '@')) {
        // workaround for Prosody which doesn't give type "headline"
        title = __("Notification from %1$s", from_jid);
      } else if (message.getAttribute('type') === 'groupchat') {
        title = __("%1$s says", Strophe.getResourceFromJid(full_from_jid));
      } else {
        if (_.isUndefined(_converse.roster)) {
          _converse.log("Could not send notification, because roster is undefined", Strophe.LogLevel.ERROR);

          return;
        }

        roster_item = _converse.roster.get(from_jid);

        if (!_.isUndefined(roster_item)) {
          title = __("%1$s says", roster_item.getDisplayName());
        } else {
          if (_converse.allow_non_roster_messaging) {
            title = __("%1$s says", from_jid);
          } else {
            return;
          }
        }
      } // TODO: we should suppress notifications if we cannot decrypt
      // the message...


      const body = sizzle(`encrypted[xmlns="${Strophe.NS.OMEMO}"]`, message).length ? __('OMEMO Message received') : _.get(message.querySelector('body'), 'textContent');

      if (!body) {
        return;
      }

      const n = new Notification(title, {
        'body': body,
        'lang': _converse.locale,
        'icon': _converse.notification_icon,
        'requireInteraction': !_converse.notification_delay
      });

      if (_converse.notification_delay) {
        setTimeout(n.close.bind(n), _converse.notification_delay);
      }
    };

    _converse.showChatStateNotification = function (contact) {
      /* Creates an HTML5 Notification to inform of a change in a
       * contact's chat state.
       */
      if (_.includes(_converse.chatstate_notification_blacklist, contact.jid)) {
        // Don't notify if the user is being ignored.
        return;
      }

      const chat_state = contact.chat_status;
      let message = null;

      if (chat_state === 'offline') {
        message = __('has gone offline');
      } else if (chat_state === 'away') {
        message = __('has gone away');
      } else if (chat_state === 'dnd') {
        message = __('is busy');
      } else if (chat_state === 'online') {
        message = __('has come online');
      }

      if (message === null) {
        return;
      }

      const n = new Notification(contact.getDisplayName(), {
        body: message,
        lang: _converse.locale,
        icon: _converse.notification_icon
      });
      setTimeout(n.close.bind(n), 5000);
    };

    _converse.showContactRequestNotification = function (contact) {
      const n = new Notification(contact.getDisplayName(), {
        body: __('wants to be your contact'),
        lang: _converse.locale,
        icon: _converse.notification_icon
      });
      setTimeout(n.close.bind(n), 5000);
    };

    _converse.showFeedbackNotification = function (data) {
      if (data.klass === 'error' || data.klass === 'warn') {
        const n = new Notification(data.subject, {
          body: data.message,
          lang: _converse.locale,
          icon: _converse.notification_icon
        });
        setTimeout(n.close.bind(n), 5000);
      }
    };

    _converse.handleChatStateNotification = function (contact) {
      /* Event handler for on('contactPresenceChanged').
       * Will show an HTML5 notification to indicate that the chat
       * status has changed.
       */
      if (_converse.areDesktopNotificationsEnabled() && _converse.show_chatstate_notifications) {
        _converse.showChatStateNotification(contact);
      }
    };

    _converse.handleMessageNotification = function (data) {
      /* Event handler for the on('message') event. Will call methods
       * to play sounds and show HTML5 notifications.
       */
      const message = data.stanza;

      if (!_converse.shouldNotifyOfMessage(message)) {
        return false;
      }

      _converse.api.emit('messageNotification', message);

      _converse.playSoundNotification();

      _converse.showMessageNotification(message);
    };

    _converse.handleContactRequestNotification = function (contact) {
      if (_converse.areDesktopNotificationsEnabled(true)) {
        _converse.showContactRequestNotification(contact);
      }
    };

    _converse.handleFeedback = function (data) {
      if (_converse.areDesktopNotificationsEnabled(true)) {
        _converse.showFeedbackNotification(data);
      }
    };

    _converse.requestPermission = function () {
      if (_converse.supports_html5_notification && !_.includes(['denied', 'granted'], Notification.permission)) {
        // Ask user to enable HTML5 notifications
        Notification.requestPermission();
      }
    };

    _converse.on('pluginsInitialized', function () {
      // We only register event handlers after all plugins are
      // registered, because other plugins might override some of our
      // handlers.
      _converse.on('contactRequest', _converse.handleContactRequestNotification);

      _converse.on('contactPresenceChanged', _converse.handleChatStateNotification);

      _converse.on('message', _converse.handleMessageNotification);

      _converse.on('feedback', _converse.handleFeedback);

      _converse.on('connected', _converse.requestPermission);
    });
  }

});

/***/ }),

/***/ "./src/converse-omemo.js":
/*!*******************************!*\
  !*** ./src/converse-omemo.js ***!
  \*******************************/
/*! no exports provided */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! @converse/headless/converse-core */ "./src/headless/converse-core.js");
/* harmony import */ var templates_toolbar_omemo_html__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! templates/toolbar_omemo.html */ "./src/templates/toolbar_omemo.html");
/* harmony import */ var templates_toolbar_omemo_html__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(templates_toolbar_omemo_html__WEBPACK_IMPORTED_MODULE_1__);
// Converse.js
// http://conversejs.org
//
// Copyright (c) 2013-2018, the Converse.js developers
// Licensed under the Mozilla Public License (MPLv2)

/* global libsignal, ArrayBuffer, parseInt, crypto */


const _converse$env = _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_0__["default"].env,
      Backbone = _converse$env.Backbone,
      Promise = _converse$env.Promise,
      Strophe = _converse$env.Strophe,
      moment = _converse$env.moment,
      sizzle = _converse$env.sizzle,
      $build = _converse$env.$build,
      $iq = _converse$env.$iq,
      $msg = _converse$env.$msg,
      _ = _converse$env._,
      f = _converse$env.f,
      b64_sha1 = _converse$env.b64_sha1;
const u = _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_0__["default"].env.utils;
Strophe.addNamespace('OMEMO_DEVICELIST', Strophe.NS.OMEMO + ".devicelist");
Strophe.addNamespace('OMEMO_VERIFICATION', Strophe.NS.OMEMO + ".verification");
Strophe.addNamespace('OMEMO_WHITELISTED', Strophe.NS.OMEMO + ".whitelisted");
Strophe.addNamespace('OMEMO_BUNDLES', Strophe.NS.OMEMO + ".bundles");
const UNDECIDED = 0;
const TRUSTED = 1;
const UNTRUSTED = -1;
const TAG_LENGTH = 128;
const KEY_ALGO = {
  'name': "AES-GCM",
  'length': 128
};

class IQError extends Error {
  constructor(message, iq) {
    super(message, iq);
    this.name = 'IQError';
    this.iq = iq;
  }

}

function parseBundle(bundle_el) {
  /* Given an XML element representing a user's OMEMO bundle, parse it
   * and return a map.
   */
  const signed_prekey_public_el = bundle_el.querySelector('signedPreKeyPublic'),
        signed_prekey_signature_el = bundle_el.querySelector('signedPreKeySignature'),
        identity_key_el = bundle_el.querySelector('identityKey');

  const prekeys = _.map(sizzle(`prekeys > preKeyPublic`, bundle_el), el => {
    return {
      'id': parseInt(el.getAttribute('preKeyId'), 10),
      'key': el.textContent
    };
  });

  return {
    'identity_key': bundle_el.querySelector('identityKey').textContent.trim(),
    'signed_prekey': {
      'id': parseInt(signed_prekey_public_el.getAttribute('signedPreKeyId'), 10),
      'public_key': signed_prekey_public_el.textContent,
      'signature': signed_prekey_signature_el.textContent
    },
    'prekeys': prekeys
  };
}

_converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_0__["default"].plugins.add('converse-omemo', {
  enabled(_converse) {
    return !_.isNil(window.libsignal) && !f.includes('converse-omemo', _converse.blacklisted_plugins);
  },

  dependencies: ["converse-chatview", "converse-pubsub"],
  overrides: {
    ProfileModal: {
      events: {
        'change input.select-all': 'selectAll',
        'click .generate-bundle': 'generateOMEMODeviceBundle',
        'submit .fingerprint-removal': 'removeSelectedFingerprints'
      },

      initialize() {
        const _converse = this.__super__._converse;
        this.debouncedRender = _.debounce(this.render, 50);
        this.devicelist = _converse.devicelists.get(_converse.bare_jid);
        this.devicelist.devices.on('change:bundle', this.debouncedRender, this);
        this.devicelist.devices.on('reset', this.debouncedRender, this);
        this.devicelist.devices.on('reset', this.debouncedRender, this);
        this.devicelist.devices.on('remove', this.debouncedRender, this);
        this.devicelist.devices.on('add', this.debouncedRender, this);
        return this.__super__.initialize.apply(this, arguments);
      },

      beforeRender() {
        const _converse = this.__super__._converse,
              device_id = _converse.omemo_store.get('device_id');

        if (device_id) {
          this.current_device = this.devicelist.devices.get(device_id);
        }

        this.other_devices = this.devicelist.devices.filter(d => d.get('id') !== device_id);

        if (this.__super__.beforeRender) {
          return this.__super__.beforeRender.apply(this, arguments);
        }
      },

      selectAll(ev) {
        let sibling = u.ancestor(ev.target, 'li');

        while (sibling) {
          sibling.querySelector('input[type="checkbox"]').checked = ev.target.checked;
          sibling = sibling.nextElementSibling;
        }
      },

      removeSelectedFingerprints(ev) {
        ev.preventDefault();
        ev.stopPropagation();
        ev.target.querySelector('.select-all').checked = false;

        const checkboxes = ev.target.querySelectorAll('.fingerprint-removal-item input[type="checkbox"]:checked'),
              device_ids = _.map(checkboxes, 'value');

        this.devicelist.removeOwnDevices(device_ids).then(this.modal.hide).catch(err => {
          const _converse = this.__super__._converse,
                __ = _converse.__;

          _converse.log(err, Strophe.LogLevel.ERROR);

          _converse.api.alert.show(Strophe.LogLevel.ERROR, __('Error'), [__('Sorry, an error occurred while trying to remove the devices.')]);
        });
      },

      generateOMEMODeviceBundle(ev) {
        const _converse = this.__super__._converse,
              __ = _converse.__,
              api = _converse.api;
        ev.preventDefault();

        if (confirm(__("Are you sure you want to generate new OMEMO keys? " + "This will remove your old keys and all previously encrypted messages will no longer be decryptable on this device."))) {
          api.omemo.bundle.generate();
        }
      }

    },
    UserDetailsModal: {
      events: {
        'click .fingerprint-trust .btn input': 'toggleDeviceTrust'
      },

      initialize() {
        const _converse = this.__super__._converse;
        const jid = this.model.get('jid');
        this.devicelist = _converse.devicelists.get(jid) || _converse.devicelists.create({
          'jid': jid
        });
        this.devicelist.devices.on('change:bundle', this.render, this);
        this.devicelist.devices.on('change:trusted', this.render, this);
        this.devicelist.devices.on('remove', this.render, this);
        this.devicelist.devices.on('add', this.render, this);
        this.devicelist.devices.on('reset', this.render, this);
        return this.__super__.initialize.apply(this, arguments);
      },

      toggleDeviceTrust(ev) {
        const radio = ev.target;
        const device = this.devicelist.devices.get(radio.getAttribute('name'));
        device.save('trusted', parseInt(radio.value, 10));
      }

    },
    ChatBox: {
      async encryptMessage(plaintext) {
        // The client MUST use fresh, randomly generated key/IV pairs
        // with AES-128 in Galois/Counter Mode (GCM).
        // For GCM a 12 byte IV is strongly suggested as other IV lengths
        // will require additional calculations. In principle any IV size
        // can be used as long as the IV doesn't ever repeat. NIST however
        // suggests that only an IV size of 12 bytes needs to be supported
        // by implementations.
        //
        // https://crypto.stackexchange.com/questions/26783/ciphertext-and-tag-size-and-iv-transmission-with-aes-in-gcm-mode
        const iv = crypto.getRandomValues(new window.Uint8Array(12)),
              key = await crypto.subtle.generateKey(KEY_ALGO, true, ["encrypt", "decrypt"]),
              algo = {
          'name': 'AES-GCM',
          'iv': iv,
          'tagLength': TAG_LENGTH
        },
              encrypted = await crypto.subtle.encrypt(algo, key, u.stringToArrayBuffer(plaintext)),
              length = encrypted.byteLength - (128 + 7 >> 3),
              ciphertext = encrypted.slice(0, length),
              tag = encrypted.slice(length),
              exported_key = await crypto.subtle.exportKey("raw", key);
        return Promise.resolve({
          'key': exported_key,
          'tag': tag,
          'key_and_tag': u.appendArrayBuffer(exported_key, tag),
          'payload': u.arrayBufferToBase64(ciphertext),
          'iv': u.arrayBufferToBase64(iv)
        });
      },

      async decryptMessage(obj) {
        const key_obj = await crypto.subtle.importKey('raw', obj.key, KEY_ALGO, true, ['encrypt', 'decrypt']),
              cipher = u.appendArrayBuffer(u.base64ToArrayBuffer(obj.payload), obj.tag),
              algo = {
          'name': "AES-GCM",
          'iv': u.base64ToArrayBuffer(obj.iv),
          'tagLength': TAG_LENGTH
        };
        return u.arrayBufferToString((await crypto.subtle.decrypt(algo, key_obj, cipher)));
      },

      reportDecryptionError(e) {
        const _converse = this.__super__._converse;

        if (_converse.debug) {
          const __ = _converse.__;
          this.messages.create({
            'message': __("Sorry, could not decrypt a received OMEMO message due to an error.") + ` ${e.name} ${e.message}`,
            'type': 'error'
          });
        }

        _converse.log(`${e.name} ${e.message}`, Strophe.LogLevel.ERROR);
      },

      decrypt(attrs) {
        const _converse = this.__super__._converse,
              session_cipher = this.getSessionCipher(attrs.from, parseInt(attrs.encrypted.device_id, 10)); // https://xmpp.org/extensions/xep-0384.html#usecases-receiving

        if (attrs.encrypted.prekey === 'true') {
          let plaintext;
          return session_cipher.decryptPreKeyWhisperMessage(u.base64ToArrayBuffer(attrs.encrypted.key), 'binary').then(key_and_tag => {
            if (attrs.encrypted.payload) {
              const key = key_and_tag.slice(0, 16),
                    tag = key_and_tag.slice(16);
              return this.decryptMessage(_.extend(attrs.encrypted, {
                'key': key,
                'tag': tag
              }));
            }

            return Promise.resolve();
          }).then(pt => {
            plaintext = pt;
            return _converse.omemo_store.generateMissingPreKeys();
          }).then(() => _converse.omemo_store.publishBundle()).then(() => {
            if (plaintext) {
              return _.extend(attrs, {
                'plaintext': plaintext
              });
            } else {
              return _.extend(attrs, {
                'is_only_key': true
              });
            }
          }).catch(e => {
            this.reportDecryptionError(e);
            return attrs;
          });
        } else {
          return session_cipher.decryptWhisperMessage(u.base64ToArrayBuffer(attrs.encrypted.key), 'binary').then(key_and_tag => {
            const key = key_and_tag.slice(0, 16),
                  tag = key_and_tag.slice(16);
            return this.decryptMessage(_.extend(attrs.encrypted, {
              'key': key,
              'tag': tag
            }));
          }).then(plaintext => _.extend(attrs, {
            'plaintext': plaintext
          })).catch(e => {
            this.reportDecryptionError(e);
            return attrs;
          });
        }
      },

      getEncryptionAttributesfromStanza(stanza, original_stanza, attrs) {
        const _converse = this.__super__._converse,
              encrypted = sizzle(`encrypted[xmlns="${Strophe.NS.OMEMO}"]`, original_stanza).pop(),
              header = encrypted.querySelector('header'),
              key = sizzle(`key[rid="${_converse.omemo_store.get('device_id')}"]`, encrypted).pop();

        if (key) {
          attrs['is_encrypted'] = true;
          attrs['encrypted'] = {
            'device_id': header.getAttribute('sid'),
            'iv': header.querySelector('iv').textContent,
            'key': key.textContent,
            'payload': _.get(encrypted.querySelector('payload'), 'textContent', null),
            'prekey': key.getAttribute('prekey')
          };
          return this.decrypt(attrs);
        } else {
          return Promise.resolve(attrs);
        }
      },

      async getMessageAttributesFromStanza(stanza, original_stanza) {
        const _converse = this.__super__._converse,
              encrypted = sizzle(`encrypted[xmlns="${Strophe.NS.OMEMO}"]`, original_stanza).pop(),
              attrs = await this.__super__.getMessageAttributesFromStanza.apply(this, arguments);

        if (!encrypted || !_converse.config.get('trusted')) {
          return attrs;
        } else {
          return this.getEncryptionAttributesfromStanza(stanza, original_stanza, attrs);
        }
      },

      getSessionCipher(jid, id) {
        const _converse = this.__super__._converse,
              address = new libsignal.SignalProtocolAddress(jid, id);
        this.session_cipher = new window.libsignal.SessionCipher(_converse.omemo_store, address);
        return this.session_cipher;
      },

      encryptKey(plaintext, device) {
        return this.getSessionCipher(device.get('jid'), device.get('id')).encrypt(plaintext).then(payload => ({
          'payload': payload,
          'device': device
        }));
      },

      handleMessageSendError(e) {
        const _converse = this.__super__._converse,
              __ = _converse.__;

        if (e.name === 'IQError') {
          this.save('omemo_supported', false);
          const err_msgs = [];

          if (sizzle(`presence-subscription-required[xmlns="${Strophe.NS.PUBSUB_ERROR}"]`, e.iq).length) {
            err_msgs.push(__("Sorry, we're unable to send an encrypted message because %1$s " + "requires you to be subscribed to their presence in order to see their OMEMO information", e.iq.getAttribute('from')));
          } else if (sizzle(`remote-server-not-found[xmlns="urn:ietf:params:xml:ns:xmpp-stanzas"]`, e.iq).length) {
            err_msgs.push(__("Sorry, we're unable to send an encrypted message because the remote server for %1$s could not be found", e.iq.getAttribute('from')));
          } else {
            err_msgs.push(__("Unable to send an encrypted message due to an unexpected error."));
            err_msgs.push(e.iq.outerHTML);
          }

          _converse.api.alert.show(Strophe.LogLevel.ERROR, __('Error'), err_msgs);

          _converse.log(e, Strophe.LogLevel.ERROR);
        } else {
          throw e;
        }
      },

      async sendMessage(attrs) {
        const _converse = this.__super__._converse,
              __ = _converse.__;

        if (this.get('omemo_active') && attrs.message) {
          attrs['is_encrypted'] = true;
          attrs['plaintext'] = attrs.message;

          try {
            const devices = await _converse.getBundlesAndBuildSessions(this);
            const stanza = await _converse.createOMEMOMessageStanza(this, this.messages.create(attrs), devices);
            this.sendMessageStanza(stanza);
          } catch (e) {
            this.handleMessageSendError(e);
            return false;
          }

          return true;
        } else {
          return this.__super__.sendMessage.apply(this, arguments);
        }
      }

    },
    ChatBoxView: {
      events: {
        'click .toggle-omemo': 'toggleOMEMO'
      },

      initialize() {
        this.__super__.initialize.apply(this, arguments);

        this.model.on('change:omemo_active', this.renderOMEMOToolbarButton, this);
        this.model.on('change:omemo_supported', this.onOMEMOSupportedDetermined, this);
      },

      showMessage(message) {
        // We don't show a message if it's only keying material
        if (!message.get('is_only_key')) {
          return this.__super__.showMessage.apply(this, arguments);
        }
      },

      onOMEMOSupportedDetermined() {
        if (!this.model.get('omemo_supported') && this.model.get('omemo_active')) {
          this.model.set('omemo_active', false); // Will cause render
        } else {
          this.renderOMEMOToolbarButton();
        }
      },

      renderOMEMOToolbarButton() {
        const _converse = this.__super__._converse,
              __ = _converse.__,
              icon = this.el.querySelector('.toggle-omemo'),
              html = templates_toolbar_omemo_html__WEBPACK_IMPORTED_MODULE_1___default()(_.extend(this.model.toJSON(), {
          '__': __
        }));

        if (icon) {
          icon.outerHTML = html;
        } else {
          this.el.querySelector('.chat-toolbar').insertAdjacentHTML('beforeend', html);
        }
      },

      toggleOMEMO(ev) {
        const _converse = this.__super__._converse,
              __ = _converse.__;

        if (!this.model.get('omemo_supported')) {
          return _converse.api.alert.show(Strophe.LogLevel.ERROR, __('Error'), [__("Cannot use end-to-end encryption because %1$s uses a client that doesn't support OMEMO.", this.model.contact.getDisplayName())]);
        }

        ev.preventDefault();
        this.model.save({
          'omemo_active': !this.model.get('omemo_active')
        });
      }

    },
    ChatRoomView: {
      events: {
        'click .toggle-omemo': 'toggleOMEMO'
      },

      initialize() {
        this.__super__.initialize.apply(this, arguments);

        this.model.on('change:omemo_active', this.renderOMEMOToolbarButton, this);
        this.model.on('change:omemo_supported', this.onOMEMOSupportedDetermined, this);
      },

      toggleOMEMO(ev) {
        const _converse = this.__super__._converse,
              __ = _converse.__;

        if (!this.model.get('omemo_supported')) {
          return _converse.api.alert.show(Strophe.LogLevel.ERROR, __('Error'), [__('Cannot use end-to-end encryption in this groupchat, ' + 'either the groupchat has some anonymity or not all participants support OMEMO.')]);
        }

        ev.preventDefault();
        this.model.save({
          'omemo_active': !this.model.get('omemo_active')
        });
      },

      renderOMEMOToolbarButton() {
        if (this.model.features.get('membersonly') && this.model.features.get('nonanonymous')) {
          this.__super__.renderOMEMOToolbarButton.apply(arguments);
        } else {
          const icon = this.el.querySelector('.toggle-omemo');

          if (icon) {
            icon.parentElement.removeChild(icon);
          }
        }
      }

    }
  },

  initialize() {
    /* The initialize function gets called as soon as the plugin is
     * loaded by Converse.js's plugin machinery.
     */
    const _converse = this._converse,
          __ = _converse.__;

    _converse.api.promises.add(['OMEMOInitialized']);

    _converse.NUM_PREKEYS = 100; // Set here so that tests can override

    async function generateFingerprint(device) {
      if (_.get(device.get('bundle'), 'fingerprint')) {
        return;
      }

      const bundle = await device.getBundle();
      bundle['fingerprint'] = u.arrayBufferToHex(u.base64ToArrayBuffer(bundle['identity_key']));
      device.save('bundle', bundle);
      device.trigger('change:bundle'); // Doesn't get triggered automatically due to pass-by-reference
    }

    _converse.generateFingerprints = async function (jid) {
      const devices = await getDevicesForContact(jid);
      return Promise.all(devices.map(d => generateFingerprint(d)));
    };

    _converse.getDeviceForContact = function (jid, device_id) {
      return getDevicesForContact(jid).then(devices => devices.get(device_id));
    };

    async function getDevicesForContact(jid) {
      await _converse.api.waitUntil('OMEMOInitialized');

      const devicelist = _converse.devicelists.get(jid) || _converse.devicelists.create({
        'jid': jid
      });

      await devicelist.fetchDevices();
      return devicelist.devices;
    }

    _converse.contactHasOMEMOSupport = async function (jid) {
      /* Checks whether the contact advertises any OMEMO-compatible devices. */
      const devices = await getDevicesForContact(jid);
      return devices.length > 0;
    };

    function generateDeviceID() {
      /* Generates a device ID, making sure that it's unique */
      const existing_ids = _converse.devicelists.get(_converse.bare_jid).devices.pluck('id');

      let device_id = libsignal.KeyHelper.generateRegistrationId();
      let i = 0;

      while (_.includes(existing_ids, device_id)) {
        device_id = libsignal.KeyHelper.generateRegistrationId();
        i++;

        if (i == 10) {
          throw new Error("Unable to generate a unique device ID");
        }
      }

      return device_id.toString();
    }

    async function buildSession(device) {
      const address = new libsignal.SignalProtocolAddress(device.get('jid'), device.get('id')),
            sessionBuilder = new libsignal.SessionBuilder(_converse.omemo_store, address),
            prekey = device.getRandomPreKey(),
            bundle = await device.getBundle();
      return sessionBuilder.processPreKey({
        'registrationId': parseInt(device.get('id'), 10),
        'identityKey': u.base64ToArrayBuffer(bundle.identity_key),
        'signedPreKey': {
          'keyId': bundle.signed_prekey.id,
          // <Number>
          'publicKey': u.base64ToArrayBuffer(bundle.signed_prekey.public_key),
          'signature': u.base64ToArrayBuffer(bundle.signed_prekey.signature)
        },
        'preKey': {
          'keyId': prekey.id,
          // <Number>
          'publicKey': u.base64ToArrayBuffer(prekey.key)
        }
      });
    }

    function getSession(device) {
      const address = new libsignal.SignalProtocolAddress(device.get('jid'), device.get('id'));
      return _converse.omemo_store.loadSession(address.toString()).then(session => {
        if (session) {
          return Promise.resolve();
        } else {
          return buildSession(device);
        }
      });
    }

    _converse.getBundlesAndBuildSessions = async function (chatbox) {
      let devices;

      const id = _converse.omemo_store.get('device_id');

      if (chatbox.get('type') === _converse.CHATROOMS_TYPE) {
        const collections = await Promise.all(chatbox.occupants.map(o => getDevicesForContact(o.get('jid'))));
        devices = collections.reduce((a, b) => _.concat(a, b.models), []);
      } else if (chatbox.get('type') === _converse.PRIVATE_CHAT_TYPE) {
        const their_devices = await getDevicesForContact(chatbox.get('jid')),
              devicelist = _converse.devicelists.get(_converse.bare_jid),
              own_devices = devicelist.devices.filter(d => d.get('id') !== id);

        devices = _.concat(own_devices, their_devices.models);
      } // Filter out our own device


      devices = devices.filter(d => d.get('id') !== id);
      await Promise.all(devices.map(d => d.getBundle()));
      await Promise.all(devices.map(d => getSession(d)));
      return devices;
    };

    function addKeysToMessageStanza(stanza, dicts, iv) {
      for (var i in dicts) {
        if (Object.prototype.hasOwnProperty.call(dicts, i)) {
          const payload = dicts[i].payload,
                device = dicts[i].device,
                prekey = 3 == parseInt(payload.type, 10);
          stanza.c('key', {
            'rid': device.get('id')
          }).t(btoa(payload.body));

          if (prekey) {
            stanza.attrs({
              'prekey': prekey
            });
          }

          stanza.up();

          if (i == dicts.length - 1) {
            stanza.c('iv').t(iv).up().up();
          }
        }
      }

      return Promise.resolve(stanza);
    }

    _converse.createOMEMOMessageStanza = function (chatbox, message, devices) {
      const __ = _converse.__;

      const body = __("This is an OMEMO encrypted message which your client doesn’t seem to support. " + "Find more information on https://conversations.im/omemo");

      if (!message.get('message')) {
        throw new Error("No message body to encrypt!");
      }

      const stanza = $msg({
        'from': _converse.connection.jid,
        'to': chatbox.get('jid'),
        'type': chatbox.get('message_type'),
        'id': message.get('msgid')
      }).c('body').t(body).up();

      if (message.get('type') === 'chat') {
        stanza.c('request', {
          'xmlns': Strophe.NS.RECEIPTS
        }).up();
      } // An encrypted header is added to the message for
      // each device that is supposed to receive it.
      // These headers simply contain the key that the
      // payload message is encrypted with,
      // and they are separately encrypted using the
      // session corresponding to the counterpart device.


      stanza.c('encrypted', {
        'xmlns': Strophe.NS.OMEMO
      }).c('header', {
        'sid': _converse.omemo_store.get('device_id')
      });
      return chatbox.encryptMessage(message.get('message')).then(obj => {
        // The 16 bytes key and the GCM authentication tag (The tag
        // SHOULD have at least 128 bit) are concatenated and for each
        // intended recipient device, i.e. both own devices as well as
        // devices associated with the contact, the result of this
        // concatenation is encrypted using the corresponding
        // long-standing SignalProtocol session.
        const promises = devices.filter(device => device.get('trusted') != UNTRUSTED).map(device => chatbox.encryptKey(obj.key_and_tag, device));
        return Promise.all(promises).then(dicts => addKeysToMessageStanza(stanza, dicts, obj.iv)).then(stanza => {
          stanza.c('payload').t(obj.payload).up().up();
          stanza.c('store', {
            'xmlns': Strophe.NS.HINTS
          });
          return stanza;
        });
      });
    };

    _converse.OMEMOStore = Backbone.Model.extend({
      Direction: {
        SENDING: 1,
        RECEIVING: 2
      },

      getIdentityKeyPair() {
        const keypair = this.get('identity_keypair');
        return Promise.resolve({
          'privKey': u.base64ToArrayBuffer(keypair.privKey),
          'pubKey': u.base64ToArrayBuffer(keypair.pubKey)
        });
      },

      getLocalRegistrationId() {
        return Promise.resolve(parseInt(this.get('device_id'), 10));
      },

      isTrustedIdentity(identifier, identity_key, direction) {
        if (_.isNil(identifier)) {
          throw new Error("Can't check identity key for invalid key");
        }

        if (!(identity_key instanceof ArrayBuffer)) {
          throw new Error("Expected identity_key to be an ArrayBuffer");
        }

        const trusted = this.get('identity_key' + identifier);

        if (trusted === undefined) {
          return Promise.resolve(true);
        }

        return Promise.resolve(u.arrayBufferToBase64(identity_key) === trusted);
      },

      loadIdentityKey(identifier) {
        if (_.isNil(identifier)) {
          throw new Error("Can't load identity_key for invalid identifier");
        }

        return Promise.resolve(u.base64ToArrayBuffer(this.get('identity_key' + identifier)));
      },

      saveIdentity(identifier, identity_key) {
        if (_.isNil(identifier)) {
          throw new Error("Can't save identity_key for invalid identifier");
        }

        const address = new libsignal.SignalProtocolAddress.fromString(identifier),
              existing = this.get('identity_key' + address.getName());
        const b64_idkey = u.arrayBufferToBase64(identity_key);
        this.save('identity_key' + address.getName(), b64_idkey);

        if (existing && b64_idkey !== existing) {
          return Promise.resolve(true);
        } else {
          return Promise.resolve(false);
        }
      },

      getPreKeys() {
        return this.get('prekeys') || {};
      },

      loadPreKey(key_id) {
        const res = this.getPreKeys()[key_id];

        if (res) {
          return Promise.resolve({
            'privKey': u.base64ToArrayBuffer(res.privKey),
            'pubKey': u.base64ToArrayBuffer(res.pubKey)
          });
        }

        return Promise.resolve();
      },

      storePreKey(key_id, key_pair) {
        const prekey = {};
        prekey[key_id] = {
          'pubKey': u.arrayBufferToBase64(key_pair.pubKey),
          'privKey': u.arrayBufferToBase64(key_pair.privKey)
        };
        this.save('prekeys', _.extend(this.getPreKeys(), prekey));
        return Promise.resolve();
      },

      removePreKey(key_id) {
        this.save('prekeys', _.omit(this.getPreKeys(), key_id));
        return Promise.resolve();
      },

      loadSignedPreKey(keyId) {
        const res = this.get('signed_prekey');

        if (res) {
          return Promise.resolve({
            'privKey': u.base64ToArrayBuffer(res.privKey),
            'pubKey': u.base64ToArrayBuffer(res.pubKey)
          });
        }

        return Promise.resolve();
      },

      storeSignedPreKey(spk) {
        if (typeof spk !== "object") {
          // XXX: We've changed the signature of this method from the
          // example given in InMemorySignalProtocolStore.
          // Should be fine because the libsignal code doesn't
          // actually call this method.
          throw new Error("storeSignedPreKey: expected an object");
        }

        this.save('signed_prekey', {
          'id': spk.keyId,
          'privKey': u.arrayBufferToBase64(spk.keyPair.privKey),
          'pubKey': u.arrayBufferToBase64(spk.keyPair.pubKey),
          // XXX: The InMemorySignalProtocolStore does not pass
          // in or store the signature, but we need it when we
          // publish out bundle and this method isn't called from
          // within libsignal code, so we modify it to also store
          // the signature.
          'signature': u.arrayBufferToBase64(spk.signature)
        });
        return Promise.resolve();
      },

      removeSignedPreKey(key_id) {
        if (this.get('signed_prekey')['id'] === key_id) {
          this.unset('signed_prekey');
          this.save();
        }

        return Promise.resolve();
      },

      loadSession(identifier) {
        return Promise.resolve(this.get('session' + identifier));
      },

      storeSession(identifier, record) {
        return Promise.resolve(this.save('session' + identifier, record));
      },

      removeSession(identifier) {
        return Promise.resolve(this.unset('session' + identifier));
      },

      removeAllSessions(identifier) {
        const keys = _.filter(_.keys(this.attributes), key => {
          if (key.startsWith('session' + identifier)) {
            return key;
          }
        });

        const attrs = {};

        _.forEach(keys, key => {
          attrs[key] = undefined;
        });

        this.save(attrs);
        return Promise.resolve();
      },

      publishBundle() {
        const signed_prekey = this.get('signed_prekey');
        const node = `${Strophe.NS.OMEMO_BUNDLES}:${this.get('device_id')}`;
        const item = $build('item').c('bundle', {
          'xmlns': Strophe.NS.OMEMO
        }).c('signedPreKeyPublic', {
          'signedPreKeyId': signed_prekey.id
        }).t(signed_prekey.pubKey).up().c('signedPreKeySignature').t(signed_prekey.signature).up().c('identityKey').t(this.get('identity_keypair').pubKey).up().c('prekeys');

        _.forEach(this.get('prekeys'), (prekey, id) => item.c('preKeyPublic', {
          'preKeyId': id
        }).t(prekey.pubKey).up());

        const options = {
          'pubsub#access_model': 'open'
        };
        return _converse.api.pubsub.publish(null, node, item, options, false);
      },

      async generateMissingPreKeys() {
        const current_keys = this.getPreKeys(),
              missing_keys = _.difference(_.invokeMap(_.range(0, _converse.NUM_PREKEYS), Number.prototype.toString), _.keys(current_keys));

        if (missing_keys.length < 1) {
          _converse.log("No missing prekeys to generate for our own device", Strophe.LogLevel.WARN);

          return Promise.resolve();
        }

        const keys = await Promise.all(_.map(missing_keys, id => libsignal.KeyHelper.generatePreKey(parseInt(id, 10))));

        _.forEach(keys, k => this.storePreKey(k.keyId, k.keyPair));

        const marshalled_keys = _.map(this.getPreKeys(), k => ({
          'id': k.keyId,
          'key': u.arrayBufferToBase64(k.pubKey)
        })),
              devicelist = _converse.devicelists.get(_converse.bare_jid),
              device = devicelist.devices.get(this.get('device_id'));

        const bundle = await device.getBundle();
        device.save('bundle', _.extend(bundle, {
          'prekeys': marshalled_keys
        }));
      },

      async generateBundle() {
        /* The first thing that needs to happen if a client wants to
         * start using OMEMO is they need to generate an IdentityKey
         * and a Device ID. The IdentityKey is a Curve25519 [6]
         * public/private Key pair. The Device ID is a randomly
         * generated integer between 1 and 2^31 - 1.
         */
        const identity_keypair = await libsignal.KeyHelper.generateIdentityKeyPair();
        const bundle = {},
              identity_key = u.arrayBufferToBase64(identity_keypair.pubKey),
              device_id = generateDeviceID();
        bundle['identity_key'] = identity_key;
        bundle['device_id'] = device_id;
        this.save({
          'device_id': device_id,
          'identity_keypair': {
            'privKey': u.arrayBufferToBase64(identity_keypair.privKey),
            'pubKey': identity_key
          },
          'identity_key': identity_key
        });
        const signed_prekey = await libsignal.KeyHelper.generateSignedPreKey(identity_keypair, 0);

        _converse.omemo_store.storeSignedPreKey(signed_prekey);

        bundle['signed_prekey'] = {
          'id': signed_prekey.keyId,
          'public_key': u.arrayBufferToBase64(signed_prekey.keyPair.privKey),
          'signature': u.arrayBufferToBase64(signed_prekey.signature)
        };
        const keys = await Promise.all(_.map(_.range(0, _converse.NUM_PREKEYS), id => libsignal.KeyHelper.generatePreKey(id)));

        _.forEach(keys, k => _converse.omemo_store.storePreKey(k.keyId, k.keyPair));

        const devicelist = _converse.devicelists.get(_converse.bare_jid),
              device = devicelist.devices.create({
          'id': bundle.device_id,
          'jid': _converse.bare_jid
        }),
              marshalled_keys = _.map(keys, k => ({
          'id': k.keyId,
          'key': u.arrayBufferToBase64(k.keyPair.pubKey)
        }));

        bundle['prekeys'] = marshalled_keys;
        device.save('bundle', bundle);
      },

      fetchSession() {
        if (_.isUndefined(this._setup_promise)) {
          this._setup_promise = new Promise((resolve, reject) => {
            this.fetch({
              'success': () => {
                if (!_converse.omemo_store.get('device_id')) {
                  this.generateBundle().then(resolve).catch(resolve);
                } else {
                  resolve();
                }
              },
              'error': () => {
                this.generateBundle().then(resolve).catch(resolve);
              }
            });
          });
        }

        return this._setup_promise;
      }

    });
    _converse.Device = Backbone.Model.extend({
      defaults: {
        'trusted': UNDECIDED
      },

      getRandomPreKey() {
        // XXX: assumes that the bundle has already been fetched
        const bundle = this.get('bundle');
        return bundle.prekeys[u.getRandomInt(bundle.prekeys.length)];
      },

      async fetchBundleFromServer() {
        const stanza = $iq({
          'type': 'get',
          'from': _converse.bare_jid,
          'to': this.get('jid')
        }).c('pubsub', {
          'xmlns': Strophe.NS.PUBSUB
        }).c('items', {
          'node': `${Strophe.NS.OMEMO_BUNDLES}:${this.get('id')}`
        });
        let iq;

        try {
          iq = await _converse.api.sendIQ(stanza);
        } catch (iq) {
          throw new IQError("Could not fetch bundle", iq);
        }

        if (iq.querySelector('error')) {
          throw new IQError("Could not fetch bundle", iq);
        }

        const publish_el = sizzle(`items[node="${Strophe.NS.OMEMO_BUNDLES}:${this.get('id')}"]`, iq).pop(),
              bundle_el = sizzle(`bundle[xmlns="${Strophe.NS.OMEMO}"]`, publish_el).pop(),
              bundle = parseBundle(bundle_el);
        this.save('bundle', bundle);
        return bundle;
      },

      getBundle() {
        /* Fetch and save the bundle information associated with
         * this device, if the information is not at hand already.
         */
        if (this.get('bundle')) {
          return Promise.resolve(this.get('bundle'), this);
        } else {
          return this.fetchBundleFromServer();
        }
      }

    });
    _converse.Devices = Backbone.Collection.extend({
      model: _converse.Device
    });
    _converse.DeviceList = Backbone.Model.extend({
      idAttribute: 'jid',

      initialize() {
        this.devices = new _converse.Devices();
        const id = `converse.devicelist-${_converse.bare_jid}-${this.get('jid')}`;

        const storage = _converse.config.get('storage');

        this.devices.browserStorage = new Backbone.BrowserStorage[storage](id);
        this.fetchDevices();
      },

      fetchDevices() {
        if (_.isUndefined(this._devices_promise)) {
          this._devices_promise = new Promise(resolve => {
            this.devices.fetch({
              'success': async collection => {
                if (collection.length === 0) {
                  let ids;

                  try {
                    ids = await this.fetchDevicesFromServer();
                  } catch (e) {
                    _converse.log(`Could not fetch devices for ${this.get('jid')}`);

                    _converse.log(e, Strophe.LogLevel.ERROR);

                    this.destroy();
                    return resolve(e);
                  }

                  await this.publishCurrentDevice(ids);
                }

                resolve();
              },
              'error': e => {
                _converse.log(e, Strophe.LogLevel.ERROR);

                resolve(e);
              }
            });
          });
        }

        return this._devices_promise;
      },

      async publishCurrentDevice(device_ids) {
        if (this.get('jid') !== _converse.bare_jid) {
          // We only publish for ourselves.
          return;
        }

        await restoreOMEMOSession();

        let device_id = _converse.omemo_store.get('device_id');

        if (!this.devices.findWhere({
          'id': device_id
        })) {
          // Generate a new bundle if we cannot find our device
          await _converse.omemo_store.generateBundle();
          device_id = _converse.omemo_store.get('device_id');
        }

        if (!_.includes(device_ids, device_id)) {
          return this.publishDevices();
        }
      },

      async fetchDevicesFromServer() {
        const stanza = $iq({
          'type': 'get',
          'from': _converse.bare_jid,
          'to': this.get('jid')
        }).c('pubsub', {
          'xmlns': Strophe.NS.PUBSUB
        }).c('items', {
          'node': Strophe.NS.OMEMO_DEVICELIST
        });
        let iq;

        try {
          iq = await _converse.api.sendIQ(stanza);
        } catch (e) {
          _converse.log(e, Strophe.LogLevel.ERROR);

          return [];
        }

        const device_ids = _.map(sizzle(`list[xmlns="${Strophe.NS.OMEMO}"] device`, iq), dev => dev.getAttribute('id'));

        _.forEach(device_ids, id => this.devices.create({
          'id': id,
          'jid': this.get('jid')
        }));

        return device_ids;
      },

      publishDevices() {
        const item = $build('item').c('list', {
          'xmlns': Strophe.NS.OMEMO
        });
        this.devices.each(d => item.c('device', {
          'id': d.get('id')
        }).up());
        const options = {
          'pubsub#access_model': 'open'
        };
        return _converse.api.pubsub.publish(null, Strophe.NS.OMEMO_DEVICELIST, item, options, false);
      },

      removeOwnDevices(device_ids) {
        if (this.get('jid') !== _converse.bare_jid) {
          throw new Error("Cannot remove devices from someone else's device list");
        }

        _.forEach(device_ids, device_id => this.devices.get(device_id).destroy());

        return this.publishDevices();
      }

    });
    _converse.DeviceLists = Backbone.Collection.extend({
      model: _converse.DeviceList
    });

    function fetchDeviceLists() {
      return new Promise((success, error) => _converse.devicelists.fetch({
        success,
        error
      }));
    }

    async function fetchOwnDevices() {
      await fetchDeviceLists();

      let own_devicelist = _converse.devicelists.get(_converse.bare_jid);

      if (_.isNil(own_devicelist)) {
        own_devicelist = _converse.devicelists.create({
          'jid': _converse.bare_jid
        });
      }

      return own_devicelist.fetchDevices();
    }

    function updateBundleFromStanza(stanza) {
      const items_el = sizzle(`items`, stanza).pop();

      if (!items_el || !items_el.getAttribute('node').startsWith(Strophe.NS.OMEMO_BUNDLES)) {
        return;
      }

      const device_id = items_el.getAttribute('node').split(':')[1],
            jid = stanza.getAttribute('from'),
            bundle_el = sizzle(`item > bundle`, items_el).pop(),
            devicelist = _converse.devicelists.get(jid) || _converse.devicelists.create({
        'jid': jid
      }),
            device = devicelist.devices.get(device_id) || devicelist.devices.create({
        'id': device_id,
        'jid': jid
      });

      device.save({
        'bundle': parseBundle(bundle_el)
      });
    }

    function updateDevicesFromStanza(stanza) {
      const items_el = sizzle(`items[node="${Strophe.NS.OMEMO_DEVICELIST}"]`, stanza).pop();

      if (!items_el) {
        return;
      }

      const device_ids = _.map(sizzle(`item list[xmlns="${Strophe.NS.OMEMO}"] device`, items_el), device => device.getAttribute('id'));

      const jid = stanza.getAttribute('from'),
            devicelist = _converse.devicelists.get(jid) || _converse.devicelists.create({
        'jid': jid
      }),
            devices = devicelist.devices,
            removed_ids = _.difference(devices.pluck('id'), device_ids);

      _.forEach(removed_ids, id => {
        if (jid === _converse.bare_jid && id === _converse.omemo_store.get('device_id')) {
          // We don't remove the current device
          return;
        }

        devices.get(id).destroy();
      });

      _.forEach(device_ids, device_id => {
        if (!devices.get(device_id)) {
          devices.create({
            'id': device_id,
            'jid': jid
          });
        }
      });

      if (Strophe.getBareJidFromJid(jid) === _converse.bare_jid) {
        // Make sure our own device is on the list (i.e. if it was
        // removed, add it again.
        _converse.devicelists.get(_converse.bare_jid).publishCurrentDevice(device_ids);
      }
    }

    function registerPEPPushHandler() {
      // Add a handler for devices pushed from other connected clients
      _converse.connection.addHandler(message => {
        try {
          if (sizzle(`event[xmlns="${Strophe.NS.PUBSUB}#event"]`, message).length) {
            updateDevicesFromStanza(message);
            updateBundleFromStanza(message);
          }
        } catch (e) {
          _converse.log(e.message, Strophe.LogLevel.ERROR);
        }

        return true;
      }, null, 'message', 'headline');
    }

    function restoreOMEMOSession() {
      if (_.isUndefined(_converse.omemo_store)) {
        const storage = _converse.config.get('storage'),
              id = `converse.omemosession-${_converse.bare_jid}`;

        _converse.omemo_store = new _converse.OMEMOStore({
          'id': id
        });
        _converse.omemo_store.browserStorage = new Backbone.BrowserStorage[storage](id);
      }

      return _converse.omemo_store.fetchSession();
    }

    async function initOMEMO() {
      if (!_converse.config.get('trusted')) {
        return;
      }

      _converse.devicelists = new _converse.DeviceLists();

      const storage = _converse.config.get('storage'),
            id = `converse.devicelists-${_converse.bare_jid}`;

      _converse.devicelists.browserStorage = new Backbone.BrowserStorage[storage](id);
      await fetchOwnDevices();
      await restoreOMEMOSession();
      await _converse.omemo_store.publishBundle();

      _converse.emit('OMEMOInitialized');
    }

    async function onOccupantAdded(chatroom, occupant) {
      if (occupant.isSelf() || !chatroom.features.get('nonanonymous') || !chatroom.features.get('membersonly')) {
        return;
      }

      if (chatroom.get('omemo_active')) {
        const supported = await _converse.contactHasOMEMOSupport(occupant.get('jid'));

        if (!supported) {
          chatroom.messages.create({
            'message': __("%1$s doesn't appear to have a client that supports OMEMO. " + "Encrypted chat will no longer be possible in this grouchat.", occupant.get('nick')),
            'type': 'error'
          });
          chatroom.save({
            'omemo_active': false,
            'omemo_supported': false
          });
        }
      }
    }

    async function checkOMEMOSupported(chatbox) {
      let supported;

      if (chatbox.get('type') === _converse.CHATROOMS_TYPE) {
        await _converse.api.waitUntil('OMEMOInitialized');
        supported = chatbox.features.get('nonanonymous') && chatbox.features.get('membersonly');
      } else if (chatbox.get('type') === _converse.PRIVATE_CHAT_TYPE) {
        supported = await _converse.contactHasOMEMOSupport(chatbox.get('jid'));
      }

      chatbox.set('omemo_supported', supported);
    }

    _converse.api.waitUntil('chatBoxesInitialized').then(() => _converse.chatboxes.on('add', chatbox => {
      checkOMEMOSupported(chatbox);

      if (chatbox.get('type') === _converse.CHATROOMS_TYPE) {
        chatbox.occupants.on('add', o => onOccupantAdded(chatbox, o));
        chatbox.features.on('change', () => checkOMEMOSupported(chatbox));
      }
    }));

    _converse.api.listen.on('afterTearDown', () => {
      if (_converse.devicelists) {
        _converse.devicelists.reset();
      }

      delete _converse.omemo_store;
    });

    _converse.api.listen.on('connected', registerPEPPushHandler);

    _converse.api.listen.on('renderToolbar', view => view.renderOMEMOToolbarButton());

    _converse.api.listen.on('statusInitialized', initOMEMO);

    _converse.api.listen.on('addClientFeatures', () => _converse.api.disco.own.features.add(`${Strophe.NS.OMEMO_DEVICELIST}+notify`));

    _converse.api.listen.on('userDetailsModalInitialized', contact => {
      const jid = contact.get('jid');

      _converse.generateFingerprints(jid).catch(_.partial(_converse.log, _, Strophe.LogLevel.ERROR));
    });

    _converse.api.listen.on('profileModalInitialized', contact => {
      _converse.generateFingerprints(_converse.bare_jid).catch(_.partial(_converse.log, _, Strophe.LogLevel.ERROR));
    });
    /************************ BEGIN API ************************/


    _.extend(_converse.api, {
      /**
       * The "omemo" namespace groups methods relevant to OMEMO
       * encryption.
       *
       * @namespace _converse.api.omemo
       * @memberOf _converse.api
       */
      'omemo': {
        /**
         * The "bundle" namespace groups methods relevant to the user's
         * OMEMO bundle.
         *
         * @namespace _converse.api.omemo.bundle
         * @memberOf _converse.api.omemo
         */
        'bundle': {
          /**
           * Lets you generate a new OMEMO device bundle
           *
           * @method _converse.api.omemo.bundle.generate
           * @returns {promise} Promise which resolves once we have a result from the server.
           */
          'generate': async () => {
            // Remove current device
            const devicelist = _converse.devicelists.get(_converse.bare_jid),
                  device_id = _converse.omemo_store.get('device_id');

            if (device_id) {
              const device = devicelist.devices.get(device_id);

              _converse.omemo_store.unset(device_id);

              if (device) {
                await new Promise(done => device.destroy({
                  'success': done,
                  'error': done
                }));
              }

              devicelist.devices.trigger('remove');
            } // Generate new bundle and publish


            await _converse.omemo_store.generateBundle();
            await devicelist.publishDevices();
            const device = devicelist.devices.get(_converse.omemo_store.get('device_id'));
            return generateFingerprint(device);
          }
        }
      }
    });
  }

});

/***/ }),

/***/ "./src/converse-profile.js":
/*!*********************************!*\
  !*** ./src/converse-profile.js ***!
  \*********************************/
/*! no exports provided */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var _converse_headless_converse_vcard__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! @converse/headless/converse-vcard */ "./src/headless/converse-vcard.js");
/* harmony import */ var converse_modal__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! converse-modal */ "./src/converse-modal.js");
/* harmony import */ var formdata_polyfill__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! formdata-polyfill */ "./node_modules/formdata-polyfill/FormData.js");
/* harmony import */ var formdata_polyfill__WEBPACK_IMPORTED_MODULE_2___default = /*#__PURE__*/__webpack_require__.n(formdata_polyfill__WEBPACK_IMPORTED_MODULE_2__);
/* harmony import */ var bootstrap__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! bootstrap */ "./node_modules/bootstrap.native/dist/bootstrap-native-v4.js");
/* harmony import */ var bootstrap__WEBPACK_IMPORTED_MODULE_3___default = /*#__PURE__*/__webpack_require__.n(bootstrap__WEBPACK_IMPORTED_MODULE_3__);
/* harmony import */ var _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! @converse/headless/converse-core */ "./src/headless/converse-core.js");
/* harmony import */ var templates_chat_status_modal_html__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(/*! templates/chat_status_modal.html */ "./src/templates/chat_status_modal.html");
/* harmony import */ var templates_chat_status_modal_html__WEBPACK_IMPORTED_MODULE_5___default = /*#__PURE__*/__webpack_require__.n(templates_chat_status_modal_html__WEBPACK_IMPORTED_MODULE_5__);
/* harmony import */ var templates_client_info_modal_html__WEBPACK_IMPORTED_MODULE_6__ = __webpack_require__(/*! templates/client_info_modal.html */ "./src/templates/client_info_modal.html");
/* harmony import */ var templates_client_info_modal_html__WEBPACK_IMPORTED_MODULE_6___default = /*#__PURE__*/__webpack_require__.n(templates_client_info_modal_html__WEBPACK_IMPORTED_MODULE_6__);
/* harmony import */ var templates_profile_modal_html__WEBPACK_IMPORTED_MODULE_7__ = __webpack_require__(/*! templates/profile_modal.html */ "./src/templates/profile_modal.html");
/* harmony import */ var templates_profile_modal_html__WEBPACK_IMPORTED_MODULE_7___default = /*#__PURE__*/__webpack_require__.n(templates_profile_modal_html__WEBPACK_IMPORTED_MODULE_7__);
/* harmony import */ var templates_profile_view_html__WEBPACK_IMPORTED_MODULE_8__ = __webpack_require__(/*! templates/profile_view.html */ "./src/templates/profile_view.html");
/* harmony import */ var templates_profile_view_html__WEBPACK_IMPORTED_MODULE_8___default = /*#__PURE__*/__webpack_require__.n(templates_profile_view_html__WEBPACK_IMPORTED_MODULE_8__);
/* harmony import */ var templates_status_option_html__WEBPACK_IMPORTED_MODULE_9__ = __webpack_require__(/*! templates/status_option.html */ "./src/templates/status_option.html");
/* harmony import */ var templates_status_option_html__WEBPACK_IMPORTED_MODULE_9___default = /*#__PURE__*/__webpack_require__.n(templates_status_option_html__WEBPACK_IMPORTED_MODULE_9__);
// Converse.js (A browser based XMPP chat client)
// http://conversejs.org
//
// Copyright (c) 2013-2017, Jan-Carel Brand <jc@opkode.com>
// Licensed under the Mozilla Public License (MPLv2)
//

/*global define */










const _converse$env = _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_4__["default"].env,
      Strophe = _converse$env.Strophe,
      Backbone = _converse$env.Backbone,
      Promise = _converse$env.Promise,
      utils = _converse$env.utils,
      _ = _converse$env._,
      moment = _converse$env.moment;
const u = _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_4__["default"].env.utils;
_converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_4__["default"].plugins.add('converse-profile', {
  dependencies: ["converse-modal", "converse-vcard", "converse-chatboxviews"],

  initialize() {
    /* The initialize function gets called as soon as the plugin is
     * loaded by converse.js's plugin machinery.
     */
    const _converse = this._converse,
          __ = _converse.__;
    _converse.ProfileModal = _converse.BootstrapModal.extend({
      events: {
        'change input[type="file"': "updateFilePreview",
        'click .change-avatar': "openFileSelection",
        'submit .profile-form': 'onFormSubmitted'
      },

      initialize() {
        this.model.on('change', this.render, this);

        _converse.BootstrapModal.prototype.initialize.apply(this, arguments);

        _converse.emit('profileModalInitialized', this.model);
      },

      toHTML() {
        return templates_profile_modal_html__WEBPACK_IMPORTED_MODULE_7___default()(_.extend(this.model.toJSON(), this.model.vcard.toJSON(), {
          '_': _,
          '__': __,
          '_converse': _converse,
          'alt_avatar': __('Your avatar image'),
          'heading_profile': __('Your Profile'),
          'label_close': __('Close'),
          'label_email': __('Email'),
          'label_fullname': __('Full Name'),
          'label_jid': __('XMPP Address (JID)'),
          'label_nickname': __('Nickname'),
          'label_role': __('Role'),
          'label_role_help': __('Use commas to separate multiple roles. Your roles are shown next to your name on your chat messages.'),
          'label_url': __('URL'),
          'utils': u,
          'view': this
        }));
      },

      afterRender() {
        this.tabs = _.map(this.el.querySelectorAll('.nav-item'), tab => new bootstrap__WEBPACK_IMPORTED_MODULE_3___default.a.Tab(tab));
      },

      openFileSelection(ev) {
        ev.preventDefault();
        this.el.querySelector('input[type="file"]').click();
      },

      updateFilePreview(ev) {
        const file = ev.target.files[0],
              reader = new FileReader();

        reader.onloadend = () => {
          this.el.querySelector('.avatar').setAttribute('src', reader.result);
        };

        reader.readAsDataURL(file);
      },

      setVCard(data) {
        _converse.api.vcard.set(_converse.bare_jid, data).then(() => _converse.api.vcard.update(this.model.vcard, true)).catch(err => {
          _converse.log(err, Strophe.LogLevel.FATAL);

          _converse.api.alert.show(Strophe.LogLevel.ERROR, __('Error'), [__("Sorry, an error happened while trying to save your profile data."), __("You can check your browser's developer console for any error output.")]);
        });

        this.modal.hide();
      },

      onFormSubmitted(ev) {
        ev.preventDefault();
        const reader = new FileReader(),
              form_data = new FormData(ev.target),
              image_file = form_data.get('image');
        const data = {
          'fn': form_data.get('fn'),
          'nickname': form_data.get('nickname'),
          'role': form_data.get('role'),
          'email': form_data.get('email'),
          'url': form_data.get('url')
        };

        if (!image_file.size) {
          _.extend(data, {
            'image': this.model.vcard.get('image'),
            'image_type': this.model.vcard.get('image_type')
          });

          this.setVCard(data);
        } else {
          reader.onloadend = () => {
            _.extend(data, {
              'image': btoa(reader.result),
              'image_type': image_file.type
            });

            this.setVCard(data);
          };

          reader.readAsBinaryString(image_file);
        }
      }

    });
    _converse.ChatStatusModal = _converse.BootstrapModal.extend({
      events: {
        "submit form#set-xmpp-status": "onFormSubmitted",
        "click .clear-input": "clearStatusMessage"
      },

      toHTML() {
        return templates_chat_status_modal_html__WEBPACK_IMPORTED_MODULE_5___default()(_.extend(this.model.toJSON(), this.model.vcard.toJSON(), {
          'label_away': __('Away'),
          'label_close': __('Close'),
          'label_busy': __('Busy'),
          'label_cancel': __('Cancel'),
          'label_custom_status': __('Custom status'),
          'label_offline': __('Offline'),
          'label_online': __('Online'),
          'label_save': __('Save'),
          'label_xa': __('Away for long'),
          'modal_title': __('Change chat status'),
          'placeholder_status_message': __('Personal status message')
        }));
      },

      afterRender() {
        this.el.addEventListener('shown.bs.modal', () => {
          this.el.querySelector('input[name="status_message"]').focus();
        }, false);
      },

      clearStatusMessage(ev) {
        if (ev && ev.preventDefault) {
          ev.preventDefault();
          u.hideElement(this.el.querySelector('.clear-input'));
        }

        const roster_filter = this.el.querySelector('input[name="status_message"]');
        roster_filter.value = '';
      },

      onFormSubmitted(ev) {
        ev.preventDefault();
        const data = new FormData(ev.target);
        this.model.save({
          'status_message': data.get('status_message'),
          'status': data.get('chat_status')
        });
        this.modal.hide();
      }

    });
    _converse.ClientInfoModal = _converse.BootstrapModal.extend({
      toHTML() {
        return templates_client_info_modal_html__WEBPACK_IMPORTED_MODULE_6___default()(_.extend(this.model.toJSON(), this.model.vcard.toJSON(), {
          '__': __,
          'modal_title': __('About'),
          'version_name': _converse.VERSION_NAME,
          'first_subtitle': __('%1$s Open Source %2$s XMPP chat client brought to you by %3$s Opkode %2$s', '<a target="_blank" rel="nofollow" href="https://conversejs.org">', '</a>', '<a target="_blank" rel="nofollow" href="https://opkode.com">'),
          'second_subtitle': __('%1$s Translate %2$s it into your own language', '<a target="_blank" rel="nofollow" href="https://hosted.weblate.org/projects/conversejs/#languages">', '</a>')
        }));
      }

    });
    _converse.XMPPStatusView = _converse.VDOMViewWithAvatar.extend({
      tagName: "div",
      events: {
        "click a.show-profile": "showProfileModal",
        "click a.change-status": "showStatusChangeModal",
        "click .show-client-info": "showClientInfoModal",
        "click .logout": "logOut"
      },

      initialize() {
        this.model.on("change", this.render, this);
        this.model.vcard.on("change", this.render, this);
      },

      toHTML() {
        const chat_status = this.model.get('status') || 'offline';
        return templates_profile_view_html__WEBPACK_IMPORTED_MODULE_8___default()(_.extend(this.model.toJSON(), this.model.vcard.toJSON(), {
          '__': __,
          'fullname': this.model.vcard.get('fullname') || _converse.bare_jid,
          'status_message': this.model.get('status_message') || __("I am %1$s", this.getPrettyStatus(chat_status)),
          'chat_status': chat_status,
          '_converse': _converse,
          'title_change_settings': __('Change settings'),
          'title_change_status': __('Click to change your chat status'),
          'title_log_out': __('Log out'),
          'info_details': __('Show details about this chat client'),
          'title_your_profile': __('Your profile')
        }));
      },

      afterRender() {
        this.renderAvatar();
      },

      showProfileModal(ev) {
        if (_.isUndefined(this.profile_modal)) {
          this.profile_modal = new _converse.ProfileModal({
            model: this.model
          });
        }

        this.profile_modal.show(ev);
      },

      showStatusChangeModal(ev) {
        if (_.isUndefined(this.status_modal)) {
          this.status_modal = new _converse.ChatStatusModal({
            model: this.model
          });
        }

        this.status_modal.show(ev);
      },

      showClientInfoModal(ev) {
        if (_.isUndefined(this.client_info_modal)) {
          this.client_info_modal = new _converse.ClientInfoModal({
            model: this.model
          });
        }

        this.client_info_modal.show(ev);
      },

      logOut(ev) {
        ev.preventDefault();
        const result = confirm(__("Are you sure you want to log out?"));

        if (result === true) {
          _converse.logOut();
        }
      },

      getPrettyStatus(stat) {
        if (stat === 'chat') {
          return __('online');
        } else if (stat === 'dnd') {
          return __('busy');
        } else if (stat === 'xa') {
          return __('away for long');
        } else if (stat === 'away') {
          return __('away');
        } else if (stat === 'offline') {
          return __('offline');
        } else {
          return __(stat) || __('online');
        }
      }

    });
  }

});

/***/ }),

/***/ "./src/converse-push.js":
/*!******************************!*\
  !*** ./src/converse-push.js ***!
  \******************************/
/*! no exports provided */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! @converse/headless/converse-core */ "./src/headless/converse-core.js");
// Converse.js
// https://conversejs.org
//
// Copyright (c) 2013-2018, the Converse.js developers
// Licensed under the Mozilla Public License (MPLv2)

/* This is a Converse.js plugin which add support for registering
 * an "App Server" as defined in  XEP-0357
 */

const _converse$env = _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_0__["default"].env,
      Strophe = _converse$env.Strophe,
      $iq = _converse$env.$iq,
      _ = _converse$env._;
Strophe.addNamespace('PUSH', 'urn:xmpp:push:0');
_converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_0__["default"].plugins.add('converse-push', {
  initialize() {
    /* The initialize function gets called as soon as the plugin is
     * loaded by converse.js's plugin machinery.
     */
    const _converse = this._converse,
          __ = _converse.__;

    _converse.api.settings.update({
      'push_app_servers': [],
      'enable_muc_push': false
    });

    async function disablePushAppServer(domain, push_app_server) {
      if (!push_app_server.jid) {
        return;
      }

      const result = await _converse.api.disco.supports(Strophe.NS.PUSH, domain || _converse.bare_jid);

      if (!result.length) {
        return _converse.log(`Not disabling push app server "${push_app_server.jid}", no disco support from your server.`, Strophe.LogLevel.WARN);
      }

      const stanza = $iq({
        'type': 'set'
      });

      if (domain !== _converse.bare_jid) {
        stanza.attrs({
          'to': domain
        });
      }

      stanza.c('disable', {
        'xmlns': Strophe.NS.PUSH,
        'jid': push_app_server.jid
      });

      if (push_app_server.node) {
        stanza.attrs({
          'node': push_app_server.node
        });
      }

      _converse.api.sendIQ(stanza).catch(e => {
        _converse.log(`Could not disable push app server for ${push_app_server.jid}`, Strophe.LogLevel.ERROR);

        _converse.log(e, Strophe.LogLevel.ERROR);
      });
    }

    async function enablePushAppServer(domain, push_app_server) {
      if (!push_app_server.jid || !push_app_server.node) {
        return;
      }

      const identity = await _converse.api.disco.getIdentity('pubsub', 'push', push_app_server.jid);

      if (!identity) {
        return _converse.log(`Not enabling push the service "${push_app_server.jid}", it doesn't have the right disco identtiy.`, Strophe.LogLevel.WARN);
      }

      const result = await Promise.all([_converse.api.disco.supports(Strophe.NS.PUSH, push_app_server.jid), _converse.api.disco.supports(Strophe.NS.PUSH, domain)]);

      if (!result[0].length && !result[1].length) {
        return _converse.log(`Not enabling push app server "${push_app_server.jid}", no disco support from your server.`, Strophe.LogLevel.WARN);
      }

      const stanza = $iq({
        'type': 'set'
      });

      if (domain !== _converse.bare_jid) {
        stanza.attrs({
          'to': domain
        });
      }

      stanza.c('enable', {
        'xmlns': Strophe.NS.PUSH,
        'jid': push_app_server.jid,
        'node': push_app_server.node
      });

      if (push_app_server.secret) {
        stanza.c('x', {
          'xmlns': Strophe.NS.XFORM,
          'type': 'submit'
        }).c('field', {
          'var': 'FORM_TYPE'
        }).c('value').t(`${Strophe.NS.PUBSUB}#publish-options`).up().up().c('field', {
          'var': 'secret'
        }).c('value').t(push_app_server.secret);
      }

      return _converse.api.sendIQ(stanza);
    }

    async function enablePush(domain) {
      domain = domain || _converse.bare_jid;
      const push_enabled = _converse.session.get('push_enabled') || [];

      if (_.includes(push_enabled, domain)) {
        return;
      }

      const enabled_services = _.reject(_converse.push_app_servers, 'disable');

      const disabled_services = _.filter(_converse.push_app_servers, 'disable');

      try {
        const enabled = _.map(enabled_services, _.partial(enablePushAppServer, domain));

        const disabled = _.map(disabled_services, _.partial(disablePushAppServer, domain));

        await Promise.all(enabled.concat(disabled));
      } catch (e) {
        _converse.log('Could not enable or disable push App Server', Strophe.LogLevel.ERROR);

        if (e) _converse.log(e, Strophe.LogLevel.ERROR);
      } finally {
        push_enabled.push(domain);
      }

      _converse.session.save('push_enabled', push_enabled);
    }

    _converse.api.listen.on('statusInitialized', () => enablePush());

    function onChatBoxAdded(model) {
      if (model.get('type') == _converse.CHATROOMS_TYPE) {
        enablePush(Strophe.getDomainFromJid(model.get('jid')));
      }
    }

    if (_converse.enable_muc_push) {
      _converse.api.listen.on('chatBoxesInitialized', () => _converse.chatboxes.on('add', onChatBoxAdded));
    }
  }

});

/***/ }),

/***/ "./src/converse-register.js":
/*!**********************************!*\
  !*** ./src/converse-register.js ***!
  \**********************************/
/*! no exports provided */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var converse_controlbox__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! converse-controlbox */ "./src/converse-controlbox.js");
/* harmony import */ var _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! @converse/headless/converse-core */ "./src/headless/converse-core.js");
/* harmony import */ var templates_form_input_html__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! templates/form_input.html */ "./src/templates/form_input.html");
/* harmony import */ var templates_form_input_html__WEBPACK_IMPORTED_MODULE_2___default = /*#__PURE__*/__webpack_require__.n(templates_form_input_html__WEBPACK_IMPORTED_MODULE_2__);
/* harmony import */ var templates_form_username_html__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! templates/form_username.html */ "./src/templates/form_username.html");
/* harmony import */ var templates_form_username_html__WEBPACK_IMPORTED_MODULE_3___default = /*#__PURE__*/__webpack_require__.n(templates_form_username_html__WEBPACK_IMPORTED_MODULE_3__);
/* harmony import */ var templates_register_link_html__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! templates/register_link.html */ "./src/templates/register_link.html");
/* harmony import */ var templates_register_link_html__WEBPACK_IMPORTED_MODULE_4___default = /*#__PURE__*/__webpack_require__.n(templates_register_link_html__WEBPACK_IMPORTED_MODULE_4__);
/* harmony import */ var templates_register_panel_html__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(/*! templates/register_panel.html */ "./src/templates/register_panel.html");
/* harmony import */ var templates_register_panel_html__WEBPACK_IMPORTED_MODULE_5___default = /*#__PURE__*/__webpack_require__.n(templates_register_panel_html__WEBPACK_IMPORTED_MODULE_5__);
/* harmony import */ var templates_registration_form_html__WEBPACK_IMPORTED_MODULE_6__ = __webpack_require__(/*! templates/registration_form.html */ "./src/templates/registration_form.html");
/* harmony import */ var templates_registration_form_html__WEBPACK_IMPORTED_MODULE_6___default = /*#__PURE__*/__webpack_require__.n(templates_registration_form_html__WEBPACK_IMPORTED_MODULE_6__);
/* harmony import */ var templates_registration_request_html__WEBPACK_IMPORTED_MODULE_7__ = __webpack_require__(/*! templates/registration_request.html */ "./src/templates/registration_request.html");
/* harmony import */ var templates_registration_request_html__WEBPACK_IMPORTED_MODULE_7___default = /*#__PURE__*/__webpack_require__.n(templates_registration_request_html__WEBPACK_IMPORTED_MODULE_7__);
/* harmony import */ var templates_spinner_html__WEBPACK_IMPORTED_MODULE_8__ = __webpack_require__(/*! templates/spinner.html */ "./src/templates/spinner.html");
/* harmony import */ var templates_spinner_html__WEBPACK_IMPORTED_MODULE_8___default = /*#__PURE__*/__webpack_require__.n(templates_spinner_html__WEBPACK_IMPORTED_MODULE_8__);
/* harmony import */ var _converse_headless_utils_form__WEBPACK_IMPORTED_MODULE_9__ = __webpack_require__(/*! @converse/headless/utils/form */ "./src/headless/utils/form.js");
// Converse.js (A browser based XMPP chat client)
// http://conversejs.org
//
// Copyright (c) 2012-2017, Jan-Carel Brand <jc@opkode.com>
// Licensed under the Mozilla Public License (MPLv2)
//

/*global define */

/* This is a Converse.js plugin which add support for in-band registration
 * as specified in XEP-0077.
 */









 // Strophe methods for building stanzas

const _converse$env = _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_1__["default"].env,
      Strophe = _converse$env.Strophe,
      Backbone = _converse$env.Backbone,
      sizzle = _converse$env.sizzle,
      $iq = _converse$env.$iq,
      _ = _converse$env._; // Add Strophe Namespaces

Strophe.addNamespace('REGISTER', 'jabber:iq:register'); // Add Strophe Statuses

let i = 0;

_.each(_.keys(Strophe.Status), function (key) {
  i = Math.max(i, Strophe.Status[key]);
});

Strophe.Status.REGIFAIL = i + 1;
Strophe.Status.REGISTERED = i + 2;
Strophe.Status.CONFLICT = i + 3;
Strophe.Status.NOTACCEPTABLE = i + 5;
_converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_1__["default"].plugins.add('converse-register', {
  'overrides': {
    // Overrides mentioned here will be picked up by converse.js's
    // plugin architecture they will replace existing methods on the
    // relevant objects or classes.
    //
    // New functions which don't exist yet can also be added.
    LoginPanel: {
      insertRegisterLink() {
        const _converse = this.__super__._converse;

        if (_.isUndefined(this.registerlinkview)) {
          this.registerlinkview = new _converse.RegisterLinkView({
            'model': this.model
          });
          this.registerlinkview.render();
          this.el.querySelector('.buttons').insertAdjacentElement('afterend', this.registerlinkview.el);
        }

        this.registerlinkview.render();
      },

      render(cfg) {
        const _converse = this.__super__._converse;

        this.__super__.render.apply(this, arguments);

        if (_converse.allow_registration && !_converse.auto_login) {
          this.insertRegisterLink();
        }

        return this;
      }

    },
    ControlBoxView: {
      initialize() {
        this.__super__.initialize.apply(this, arguments);

        this.model.on('change:active-form', this.showLoginOrRegisterForm.bind(this));
      },

      showLoginOrRegisterForm() {
        const _converse = this.__super__._converse;

        if (_.isNil(this.registerpanel)) {
          return;
        }

        if (this.model.get('active-form') == "register") {
          this.loginpanel.el.classList.add('hidden');
          this.registerpanel.el.classList.remove('hidden');
        } else {
          this.loginpanel.el.classList.remove('hidden');
          this.registerpanel.el.classList.add('hidden');
        }
      },

      renderRegistrationPanel() {
        const _converse = this.__super__._converse;

        if (_converse.allow_registration) {
          this.registerpanel = new _converse.RegisterPanel({
            'model': this.model
          });
          this.registerpanel.render();
          this.registerpanel.el.classList.add('hidden');
          this.el.querySelector('#converse-login-panel').insertAdjacentElement('afterend', this.registerpanel.el);
          this.showLoginOrRegisterForm();
        }

        return this;
      },

      renderLoginPanel() {
        /* Also render a registration panel, when rendering the
         * login panel.
         */
        this.__super__.renderLoginPanel.apply(this, arguments);

        this.renderRegistrationPanel();
        return this;
      }

    }
  },

  initialize() {
    /* The initialize function gets called as soon as the plugin is
     * loaded by converse.js's plugin machinery.
     */
    const _converse = this._converse,
          __ = _converse.__;
    _converse.CONNECTION_STATUS[Strophe.Status.REGIFAIL] = 'REGIFAIL';
    _converse.CONNECTION_STATUS[Strophe.Status.REGISTERED] = 'REGISTERED';
    _converse.CONNECTION_STATUS[Strophe.Status.CONFLICT] = 'CONFLICT';
    _converse.CONNECTION_STATUS[Strophe.Status.NOTACCEPTABLE] = 'NOTACCEPTABLE';

    _converse.api.settings.update({
      'allow_registration': true,
      'domain_placeholder': __(" e.g. conversejs.org"),
      // Placeholder text shown in the domain input on the registration form
      'providers_link': 'https://compliance.conversations.im/',
      // Link to XMPP providers shown on registration page
      'registration_domain': ''
    });

    function setActiveForm(value) {
      _converse.api.waitUntil('controlboxInitialized').then(() => {
        const controlbox = _converse.chatboxes.get('controlbox');

        controlbox.set({
          'active-form': value
        });
      }).catch(_.partial(_converse.log, _, Strophe.LogLevel.FATAL));
    }

    _converse.router.route('converse/login', _.partial(setActiveForm, 'login'));

    _converse.router.route('converse/register', _.partial(setActiveForm, 'register'));

    _converse.RegisterLinkView = Backbone.VDOMView.extend({
      toHTML() {
        return templates_register_link_html__WEBPACK_IMPORTED_MODULE_4___default()(_.extend(this.model.toJSON(), {
          '__': _converse.__,
          '_converse': _converse,
          'connection_status': _converse.connfeedback.get('connection_status')
        }));
      }

    });
    _converse.RegisterPanel = Backbone.NativeView.extend({
      tagName: 'div',
      id: "converse-register-panel",
      className: 'controlbox-pane fade-in',
      events: {
        'submit form#converse-register': 'onFormSubmission',
        'click .button-cancel': 'renderProviderChoiceForm'
      },

      initialize(cfg) {
        this.reset();
        this.registerHooks();
      },

      render() {
        this.model.set('registration_form_rendered', false);
        this.el.innerHTML = templates_register_panel_html__WEBPACK_IMPORTED_MODULE_5___default()({
          '__': __,
          'default_domain': _converse.registration_domain,
          'label_register': __('Fetch registration form'),
          'help_providers': __('Tip: A list of public XMPP providers is available'),
          'help_providers_link': __('here'),
          'href_providers': _converse.providers_link,
          'domain_placeholder': _converse.domain_placeholder
        });

        if (_converse.registration_domain) {
          this.fetchRegistrationForm(_converse.registration_domain);
        }

        return this;
      },

      registerHooks() {
        /* Hook into Strophe's _connect_cb, so that we can send an IQ
         * requesting the registration fields.
         */
        const conn = _converse.connection;

        const connect_cb = conn._connect_cb.bind(conn);

        conn._connect_cb = (req, callback, raw) => {
          if (!this._registering) {
            connect_cb(req, callback, raw);
          } else {
            if (this.getRegistrationFields(req, callback, raw)) {
              this._registering = false;
            }
          }
        };
      },

      getRegistrationFields(req, _callback, raw) {
        /*  Send an IQ stanza to the XMPP server asking for the
         *  registration fields.
         *  Parameters:
         *    (Strophe.Request) req - The current request
         *    (Function) callback
         */
        const conn = _converse.connection;
        conn.connected = true;

        const body = conn._proto._reqToData(req);

        if (!body) {
          return;
        }

        if (conn._proto._connect_cb(body) === Strophe.Status.CONNFAIL) {
          this.showValidationError(__("Sorry, we're unable to connect to your chosen provider."));
          return false;
        }

        const register = body.getElementsByTagName("register");
        const mechanisms = body.getElementsByTagName("mechanism");

        if (register.length === 0 && mechanisms.length === 0) {
          conn._proto._no_auth_received(_callback);

          return false;
        }

        if (register.length === 0) {
          conn._changeConnectStatus(Strophe.Status.REGIFAIL);

          this.showValidationError(__("Sorry, the given provider does not support in " + "band account registration. Please try with a " + "different provider."));
          return true;
        } // Send an IQ stanza to get all required data fields


        conn._addSysHandler(this.onRegistrationFields.bind(this), null, "iq", null, null);

        const stanza = $iq({
          type: "get"
        }).c("query", {
          xmlns: Strophe.NS.REGISTER
        }).tree();
        stanza.setAttribute("id", conn.getUniqueId("sendIQ"));
        conn.send(stanza);
        conn.connected = false;
        return true;
      },

      onRegistrationFields(stanza) {
        /*  Handler for Registration Fields Request.
         *
         *  Parameters:
         *    (XMLElement) elem - The query stanza.
         */
        if (stanza.getAttribute("type") === "error") {
          _converse.connection._changeConnectStatus(Strophe.Status.REGIFAIL, __('Something went wrong while establishing a connection with "%1$s". ' + 'Are you sure it exists?', this.domain));

          return false;
        }

        if (stanza.getElementsByTagName("query").length !== 1) {
          _converse.connection._changeConnectStatus(Strophe.Status.REGIFAIL, "unknown");

          return false;
        }

        this.setFields(stanza);

        if (!this.model.get('registration_form_rendered')) {
          this.renderRegistrationForm(stanza);
        }

        return false;
      },

      reset(settings) {
        const defaults = {
          fields: {},
          urls: [],
          title: "",
          instructions: "",
          registered: false,
          _registering: false,
          domain: null,
          form_type: null
        };

        _.extend(this, defaults);

        if (settings) {
          _.extend(this, _.pick(settings, _.keys(defaults)));
        }
      },

      onFormSubmission(ev) {
        /* Event handler when the #converse-register form is
         * submitted.
         *
         * Depending on the available input fields, we delegate to
         * other methods.
         */
        if (ev && ev.preventDefault) {
          ev.preventDefault();
        }

        if (_.isNull(ev.target.querySelector('input[name=domain]'))) {
          this.submitRegistrationForm(ev.target);
        } else {
          this.onProviderChosen(ev.target);
        }
      },

      onProviderChosen(form) {
        /* Callback method that gets called when the user has chosen an
         * XMPP provider.
         *
         * Parameters:
         *      (HTMLElement) form - The form that was submitted
         */
        const domain_input = form.querySelector('input[name=domain]'),
              domain = _.get(domain_input, 'value');

        if (!domain) {
          // TODO: add validation message
          domain_input.classList.add('error');
          return;
        }

        form.querySelector('input[type=submit]').classList.add('hidden');
        this.fetchRegistrationForm(domain.trim());
      },

      fetchRegistrationForm(domain_name) {
        /* This is called with a domain name based on which, it fetches a
         * registration form from the requested domain.
         *
         * Parameters:
         *      (String) domain_name - XMPP server domain
         */
        if (!this.model.get('registration_form_rendered')) {
          this.renderRegistrationRequest();
        }

        this.reset({
          'domain': Strophe.getDomainFromJid(domain_name),
          '_registering': true
        });

        _converse.connection.connect(this.domain, "", this.onConnectStatusChanged.bind(this));

        return false;
      },

      renderRegistrationRequest() {
        /* Clear the form and inform the user that the registration
         * form is being fetched.
         */
        this.clearRegistrationForm().insertAdjacentHTML('beforeend', templates_registration_request_html__WEBPACK_IMPORTED_MODULE_7___default()({
          '__': _converse.__,
          'cancel': _converse.registration_domain
        }));
      },

      giveFeedback(message, klass) {
        let feedback = this.el.querySelector('.reg-feedback');

        if (!_.isNull(feedback)) {
          feedback.parentNode.removeChild(feedback);
        }

        const form = this.el.querySelector('form');
        form.insertAdjacentHTML('afterbegin', '<span class="reg-feedback"></span>');
        feedback = form.querySelector('.reg-feedback');
        feedback.textContent = message;

        if (klass) {
          feedback.classList.add(klass);
        }
      },

      clearRegistrationForm() {
        const form = this.el.querySelector('form');
        form.innerHTML = '';
        this.model.set('registration_form_rendered', false);
        return form;
      },

      showSpinner() {
        const form = this.el.querySelector('form');
        form.innerHTML = templates_spinner_html__WEBPACK_IMPORTED_MODULE_8___default()();
        this.model.set('registration_form_rendered', false);
        return this;
      },

      onConnectStatusChanged(status_code) {
        /* Callback function called by Strophe whenever the
         * connection status changes.
         *
         * Passed to Strophe specifically during a registration
         * attempt.
         *
         * Parameters:
         *      (Integer) status_code - The Stroph.Status status code
         */
        _converse.log('converse-register: onConnectStatusChanged');

        if (_.includes([Strophe.Status.DISCONNECTED, Strophe.Status.CONNFAIL, Strophe.Status.REGIFAIL, Strophe.Status.NOTACCEPTABLE, Strophe.Status.CONFLICT], status_code)) {
          _converse.log(`Problem during registration: Strophe.Status is ${_converse.CONNECTION_STATUS[status_code]}`, Strophe.LogLevel.ERROR);

          this.abortRegistration();
        } else if (status_code === Strophe.Status.REGISTERED) {
          _converse.log("Registered successfully.");

          _converse.connection.reset();

          this.showSpinner();

          if (_.includes(["converse/login", "converse/register"], Backbone.history.getFragment())) {
            _converse.router.navigate('', {
              'replace': true
            });
          }

          if (this.fields.password && this.fields.username) {
            // automatically log the user in
            _converse.connection.connect(this.fields.username.toLowerCase() + '@' + this.domain.toLowerCase(), this.fields.password, _converse.onConnectStatusChanged);

            this.giveFeedback(__('Now logging you in'), 'info');
          } else {
            _converse.chatboxviews.get('controlbox').renderLoginPanel();

            _converse.giveFeedback(__('Registered successfully'));
          }

          this.reset();
        }
      },

      renderLegacyRegistrationForm(form) {
        _.each(_.keys(this.fields), key => {
          if (key === "username") {
            form.insertAdjacentHTML('beforeend', templates_form_username_html__WEBPACK_IMPORTED_MODULE_3___default()({
              'domain': ` @${this.domain}`,
              'name': key,
              'type': "text",
              'label': key,
              'value': '',
              'required': true
            }));
          } else {
            form.insertAdjacentHTML('beforeend', templates_form_input_html__WEBPACK_IMPORTED_MODULE_2___default()({
              'label': key,
              'name': key,
              'placeholder': key,
              'required': true,
              'type': key === 'password' || key === 'email' ? key : "text",
              'value': ''
            }));
          }
        }); // Show urls


        _.each(this.urls, url => {
          form.insertAdjacentHTML('afterend', '<a target="blank" rel="noopener" href="' + url + '">' + url + '</a>');
        });
      },

      renderRegistrationForm(stanza) {
        /* Renders the registration form based on the XForm fields
         * received from the XMPP server.
         *
         * Parameters:
         *      (XMLElement) stanza - The IQ stanza received from the XMPP server.
         */
        const form = this.el.querySelector('form');
        form.innerHTML = templates_registration_form_html__WEBPACK_IMPORTED_MODULE_6___default()({
          '__': _converse.__,
          'domain': this.domain,
          'title': this.title,
          'instructions': this.instructions,
          'registration_domain': _converse.registration_domain
        });
        const buttons = form.querySelector('fieldset.buttons');

        if (this.form_type === 'xform') {
          _.each(stanza.querySelectorAll('field'), field => {
            buttons.insertAdjacentHTML('beforebegin', _converse_headless_utils_form__WEBPACK_IMPORTED_MODULE_9__["default"].xForm2webForm(field, stanza, this.domain));
          });
        } else {
          this.renderLegacyRegistrationForm(form);
        }

        if (!this.fields) {
          form.querySelector('.button-primary').classList.add('hidden');
        }

        form.classList.remove('hidden');
        this.model.set('registration_form_rendered', true);
      },

      showValidationError(message) {
        const form = this.el.querySelector('form');
        let flash = form.querySelector('.form-errors');

        if (_.isNull(flash)) {
          flash = '<div class="form-errors hidden"></div>';
          const instructions = form.querySelector('p.instructions');

          if (_.isNull(instructions)) {
            form.insertAdjacentHTML('afterbegin', flash);
          } else {
            instructions.insertAdjacentHTML('afterend', flash);
          }

          flash = form.querySelector('.form-errors');
        } else {
          flash.innerHTML = '';
        }

        flash.insertAdjacentHTML('beforeend', '<p class="form-help error">' + message + '</p>');
        flash.classList.remove('hidden');
      },

      reportErrors(stanza) {
        /* Report back to the user any error messages received from the
         * XMPP server after attempted registration.
         *
         * Parameters:
         *      (XMLElement) stanza - The IQ stanza received from the
         *      XMPP server.
         */
        const errors = stanza.querySelectorAll('error');

        _.each(errors, error => {
          this.showValidationError(error.textContent);
        });

        if (!errors.length) {
          const message = __('The provider rejected your registration attempt. ' + 'Please check the values you entered for correctness.');

          this.showValidationError(message);
        }
      },

      renderProviderChoiceForm(ev) {
        if (ev && ev.preventDefault) {
          ev.preventDefault();
        }

        _converse.connection._proto._abortAllRequests();

        _converse.connection.reset();

        this.render();
      },

      abortRegistration() {
        _converse.connection._proto._abortAllRequests();

        _converse.connection.reset();

        if (this.model.get('registration_form_rendered')) {
          if (_converse.registration_domain && this.model.get('registration_form_rendered')) {
            this.fetchRegistrationForm(_converse.registration_domain);
          }
        } else {
          this.render();
        }
      },

      submitRegistrationForm(form) {
        /* Handler, when the user submits the registration form.
         * Provides form error feedback or starts the registration
         * process.
         *
         * Parameters:
         *      (HTMLElement) form - The HTML form that was submitted
         */
        const has_empty_inputs = _.reduce(this.el.querySelectorAll('input.required'), function (result, input) {
          if (input.value === '') {
            input.classList.add('error');
            return result + 1;
          }

          return result;
        }, 0);

        if (has_empty_inputs) {
          return;
        }

        const inputs = sizzle(':input:not([type=button]):not([type=submit])', form),
              iq = $iq({
          'type': 'set',
          'id': _converse.connection.getUniqueId()
        }).c("query", {
          xmlns: Strophe.NS.REGISTER
        });

        if (this.form_type === 'xform') {
          iq.c("x", {
            xmlns: Strophe.NS.XFORM,
            type: 'submit'
          });

          _.each(inputs, input => {
            iq.cnode(_converse_headless_utils_form__WEBPACK_IMPORTED_MODULE_9__["default"].webForm2xForm(input)).up();
          });
        } else {
          _.each(inputs, input => {
            iq.c(input.getAttribute('name'), {}, input.value);
          });
        }

        _converse.connection._addSysHandler(this._onRegisterIQ.bind(this), null, "iq", null, null);

        _converse.connection.send(iq);

        this.setFields(iq.tree());
      },

      setFields(stanza) {
        /* Stores the values that will be sent to the XMPP server
         * during attempted registration.
         *
         * Parameters:
         *      (XMLElement) stanza - the IQ stanza that will be sent to the XMPP server.
         */
        const query = stanza.querySelector('query');
        const xform = sizzle(`x[xmlns="${Strophe.NS.XFORM}"]`, query);

        if (xform.length > 0) {
          this._setFieldsFromXForm(xform.pop());
        } else {
          this._setFieldsFromLegacy(query);
        }
      },

      _setFieldsFromLegacy(query) {
        _.each(query.children, field => {
          if (field.tagName.toLowerCase() === 'instructions') {
            this.instructions = Strophe.getText(field);
            return;
          } else if (field.tagName.toLowerCase() === 'x') {
            if (field.getAttribute('xmlns') === 'jabber:x:oob') {
              this.urls.concat(_.map(field.querySelectorAll('url'), 'textContent'));
            }

            return;
          }

          this.fields[field.tagName.toLowerCase()] = Strophe.getText(field);
        });

        this.form_type = 'legacy';
      },

      _setFieldsFromXForm(xform) {
        this.title = _.get(xform.querySelector('title'), 'textContent');
        this.instructions = _.get(xform.querySelector('instructions'), 'textContent');

        _.each(xform.querySelectorAll('field'), field => {
          const _var = field.getAttribute('var');

          if (_var) {
            this.fields[_var.toLowerCase()] = _.get(field.querySelector('value'), 'textContent', '');
          } else {
            // TODO: other option seems to be type="fixed"
            _converse.log("Found field we couldn't parse", Strophe.LogLevel.WARN);
          }
        });

        this.form_type = 'xform';
      },

      _onRegisterIQ(stanza) {
        /* Callback method that gets called when a return IQ stanza
         * is received from the XMPP server, after attempting to
         * register a new user.
         *
         * Parameters:
         *      (XMLElement) stanza - The IQ stanza.
         */
        if (stanza.getAttribute("type") === "error") {
          _converse.log("Registration failed.", Strophe.LogLevel.ERROR);

          this.reportErrors(stanza);
          let error = stanza.getElementsByTagName("error");

          if (error.length !== 1) {
            _converse.connection._changeConnectStatus(Strophe.Status.REGIFAIL, "unknown");

            return false;
          }

          error = error[0].firstChild.tagName.toLowerCase();

          if (error === 'conflict') {
            _converse.connection._changeConnectStatus(Strophe.Status.CONFLICT, error);
          } else if (error === 'not-acceptable') {
            _converse.connection._changeConnectStatus(Strophe.Status.NOTACCEPTABLE, error);
          } else {
            _converse.connection._changeConnectStatus(Strophe.Status.REGIFAIL, error);
          }
        } else {
          _converse.connection._changeConnectStatus(Strophe.Status.REGISTERED, null);
        }

        return false;
      }

    });
  }

});

/***/ }),

/***/ "./src/converse-roomslist.js":
/*!***********************************!*\
  !*** ./src/converse-roomslist.js ***!
  \***********************************/
/*! no exports provided */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! @converse/headless/converse-core */ "./src/headless/converse-core.js");
/* harmony import */ var _converse_headless_converse_muc__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! @converse/headless/converse-muc */ "./src/headless/converse-muc.js");
/* harmony import */ var templates_rooms_list_html__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! templates/rooms_list.html */ "./src/templates/rooms_list.html");
/* harmony import */ var templates_rooms_list_html__WEBPACK_IMPORTED_MODULE_2___default = /*#__PURE__*/__webpack_require__.n(templates_rooms_list_html__WEBPACK_IMPORTED_MODULE_2__);
/* harmony import */ var templates_rooms_list_item_html__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! templates/rooms_list_item.html */ "./src/templates/rooms_list_item.html");
/* harmony import */ var templates_rooms_list_item_html__WEBPACK_IMPORTED_MODULE_3___default = /*#__PURE__*/__webpack_require__.n(templates_rooms_list_item_html__WEBPACK_IMPORTED_MODULE_3__);
// Converse.js (A browser based XMPP chat client)
// http://conversejs.org
//
// Copyright (c) 2013-2018, Jan-Carel Brand <jc@opkode.com>
// Licensed under the Mozilla Public License (MPLv2)

/* This is a non-core Converse.js plugin which shows a list of currently open
 * rooms in the "Rooms Panel" of the ControlBox.
 */




const _converse$env = _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_0__["default"].env,
      Backbone = _converse$env.Backbone,
      Promise = _converse$env.Promise,
      Strophe = _converse$env.Strophe,
      b64_sha1 = _converse$env.b64_sha1,
      sizzle = _converse$env.sizzle,
      _ = _converse$env._;
const u = _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_0__["default"].env.utils;
_converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_0__["default"].plugins.add('converse-roomslist', {
  /* Optional dependencies are other plugins which might be
   * overridden or relied upon, and therefore need to be loaded before
   * this plugin. They are called "optional" because they might not be
   * available, in which case any overrides applicable to them will be
   * ignored.
   *
   * It's possible however to make optional dependencies non-optional.
   * If the setting "strict_plugin_dependencies" is set to true,
   * an error will be raised if the plugin is not found.
   *
   * NB: These plugins need to have already been loaded via require.js.
   */
  dependencies: ["converse-singleton", "converse-controlbox", "converse-muc", "converse-bookmarks"],

  initialize() {
    /* The initialize function gets called as soon as the plugin is
     * loaded by converse.js's plugin machinery.
     */
    const _converse = this._converse,
          __ = _converse.__; // Promises exposed by this plugin

    _converse.api.promises.add('roomsListInitialized');

    _converse.OpenRooms = Backbone.Collection.extend({
      comparator(room) {
        if (room.get('bookmarked')) {
          const bookmark = _.head(_converse.bookmarksview.model.where({
            'jid': room.get('jid')
          }));

          return bookmark.get('name');
        } else {
          return room.get('name');
        }
      },

      initialize() {
        _converse.chatboxes.on('add', this.onChatBoxAdded, this);

        _converse.chatboxes.on('change:hidden', this.onChatBoxChanged, this);

        _converse.chatboxes.on('change:bookmarked', this.onChatBoxChanged, this);

        _converse.chatboxes.on('change:name', this.onChatBoxChanged, this);

        _converse.chatboxes.on('change:num_unread', this.onChatBoxChanged, this);

        _converse.chatboxes.on('change:num_unread_general', this.onChatBoxChanged, this);

        _converse.chatboxes.on('remove', this.onChatBoxRemoved, this);

        this.reset(_.map(_converse.chatboxes.where({
          'type': 'chatroom'
        }), 'attributes'));
      },

      onChatBoxAdded(item) {
        if (item.get('type') === 'chatroom') {
          this.create(item.attributes);
        }
      },

      onChatBoxChanged(item) {
        if (item.get('type') === 'chatroom') {
          const room = this.get(item.get('jid'));

          if (!_.isNil(room)) {
            room.set(item.attributes);
          }
        }
      },

      onChatBoxRemoved(item) {
        if (item.get('type') === 'chatroom') {
          const room = this.get(item.get('jid'));
          this.remove(room);
        }
      }

    });
    _converse.RoomsList = Backbone.Model.extend({
      defaults: {
        "toggle-state": _converse.OPENED
      }
    });
    _converse.RoomsListElementView = Backbone.VDOMView.extend({
      events: {
        'click .room-info': 'showRoomDetailsModal'
      },

      initialize() {
        this.model.on('destroy', this.remove, this);
        this.model.on('remove', this.remove, this);
        this.model.on('change:bookmarked', this.render, this);
        this.model.on('change:hidden', this.render, this);
        this.model.on('change:name', this.render, this);
        this.model.on('change:num_unread', this.render, this);
        this.model.on('change:num_unread_general', this.render, this);
      },

      toHTML() {
        return templates_rooms_list_item_html__WEBPACK_IMPORTED_MODULE_3___default()(_.extend(this.model.toJSON(), {
          // XXX: By the time this renders, the _converse.bookmarks
          // collection should already exist if bookmarks are
          // supported by the XMPP server. So we can use it
          // as a check for support (other ways of checking are async).
          'allow_bookmarks': _converse.allow_bookmarks && _converse.bookmarks,
          'currently_open': _converse.isUniView() && !this.model.get('hidden'),
          'info_leave_room': __('Leave this groupchat'),
          'info_remove_bookmark': __('Unbookmark this groupchat'),
          'info_add_bookmark': __('Bookmark this groupchat'),
          'info_title': __('Show more information on this groupchat'),
          'name': this.getRoomsListElementName(),
          'open_title': __('Click to open this groupchat')
        }));
      },

      showRoomDetailsModal(ev) {
        const room = _converse.chatboxes.get(this.model.get('jid'));

        ev.preventDefault();

        if (_.isUndefined(room.room_details_modal)) {
          room.room_details_modal = new _converse.RoomDetailsModal({
            'model': room
          });
        }

        room.room_details_modal.show(ev);
      },

      getRoomsListElementName() {
        if (this.model.get('bookmarked') && _converse.bookmarksview) {
          const bookmark = _.head(_converse.bookmarksview.model.where({
            'jid': this.model.get('jid')
          }));

          return bookmark.get('name');
        } else {
          return this.model.get('name');
        }
      }

    });
    _converse.RoomsListView = Backbone.OrderedListView.extend({
      tagName: 'div',
      className: 'open-rooms-list list-container rooms-list-container',
      events: {
        'click .add-bookmark': 'addBookmark',
        'click .close-room': 'closeRoom',
        'click .list-toggle': 'toggleRoomsList',
        'click .remove-bookmark': 'removeBookmark',
        'click .open-room': 'openRoom'
      },
      listSelector: '.rooms-list',
      ItemView: _converse.RoomsListElementView,
      subviewIndex: 'jid',

      initialize() {
        Backbone.OrderedListView.prototype.initialize.apply(this, arguments);
        this.model.on('add', this.showOrHide, this);
        this.model.on('remove', this.showOrHide, this);

        const storage = _converse.config.get('storage'),
              id = b64_sha1(`converse.roomslist${_converse.bare_jid}`);

        this.list_model = new _converse.RoomsList({
          'id': id
        });
        this.list_model.browserStorage = new Backbone.BrowserStorage[storage](id);
        this.list_model.fetch();
        this.render();
        this.sortAndPositionAllItems();
      },

      render() {
        this.el.innerHTML = templates_rooms_list_html__WEBPACK_IMPORTED_MODULE_2___default()({
          'toggle_state': this.list_model.get('toggle-state'),
          'desc_rooms': __('Click to toggle the list of open groupchats'),
          'label_rooms': __('Open Groupchats'),
          '_converse': _converse
        });

        if (this.list_model.get('toggle-state') !== _converse.OPENED) {
          this.el.querySelector('.open-rooms-list').classList.add('collapsed');
        }

        this.showOrHide();
        this.insertIntoControlBox();
        return this;
      },

      insertIntoControlBox() {
        const controlboxview = _converse.chatboxviews.get('controlbox');

        if (!_.isUndefined(controlboxview) && !u.rootContains(_converse.root, this.el)) {
          const el = controlboxview.el.querySelector('.open-rooms-list');

          if (!_.isNull(el)) {
            el.parentNode.replaceChild(this.el, el);
          }
        }
      },

      hide() {
        u.hideElement(this.el);
      },

      show() {
        u.showElement(this.el);
      },

      async openRoom(ev) {
        ev.preventDefault();
        const name = ev.target.textContent;
        const jid = ev.target.getAttribute('data-room-jid');
        const data = {
          'name': name || Strophe.unescapeNode(Strophe.getNodeFromJid(jid)) || jid
        };
        await _converse.api.rooms.open(jid, data);

        _converse.api.chatviews.get(jid).focus();
      },

      closeRoom(ev) {
        ev.preventDefault();
        const name = ev.target.getAttribute('data-room-name');
        const jid = ev.target.getAttribute('data-room-jid');

        if (confirm(__("Are you sure you want to leave the groupchat %1$s?", name))) {
          // TODO: replace with API call
          _converse.chatboxviews.get(jid).close();
        }
      },

      showOrHide(item) {
        if (!this.model.models.length) {
          u.hideElement(this.el);
        } else {
          u.showElement(this.el);
        }
      },

      removeBookmark: _converse.removeBookmarkViaEvent,
      addBookmark: _converse.addBookmarkViaEvent,

      toggleRoomsList(ev) {
        if (ev && ev.preventDefault) {
          ev.preventDefault();
        }

        const icon_el = ev.target.matches('.fa') ? ev.target : ev.target.querySelector('.fa');

        if (icon_el.classList.contains("fa-caret-down")) {
          u.slideIn(this.el.querySelector('.open-rooms-list')).then(() => {
            this.list_model.save({
              'toggle-state': _converse.CLOSED
            });
            icon_el.classList.remove("fa-caret-down");
            icon_el.classList.add("fa-caret-right");
          });
        } else {
          u.slideOut(this.el.querySelector('.open-rooms-list')).then(() => {
            this.list_model.save({
              'toggle-state': _converse.OPENED
            });
            icon_el.classList.remove("fa-caret-right");
            icon_el.classList.add("fa-caret-down");
          });
        }
      }

    });

    const initRoomsListView = function initRoomsListView() {
      const storage = _converse.config.get('storage'),
            id = b64_sha1(`converse.open-rooms-{_converse.bare_jid}`),
            model = new _converse.OpenRooms();

      model.browserStorage = new Backbone.BrowserStorage[storage](id);
      _converse.rooms_list_view = new _converse.RoomsListView({
        'model': model
      });

      _converse.api.emit('roomsListInitialized');
    };

    if (_converse.allow_bookmarks) {
      _converse.api.waitUntil('bookmarksInitialized').then(initRoomsListView);
    } else {
      u.onMultipleEvents([{
        'object': _converse,
        'event': 'chatBoxesInitialized'
      }, {
        'object': _converse,
        'event': 'roomsPanelRendered'
      }], initRoomsListView);
    }

    _converse.api.listen.on('reconnected', initRoomsListView);
  }

});

/***/ }),

/***/ "./src/converse-rosterview.js":
/*!************************************!*\
  !*** ./src/converse-rosterview.js ***!
  \************************************/
/*! no exports provided */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var _converse_headless_converse_roster__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! @converse/headless/converse-roster */ "./src/headless/converse-roster.js");
/* harmony import */ var _converse_headless_converse_chatboxes__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! @converse/headless/converse-chatboxes */ "./src/headless/converse-chatboxes.js");
/* harmony import */ var converse_modal__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! converse-modal */ "./src/converse-modal.js");
/* harmony import */ var awesomplete__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! awesomplete */ "./node_modules/awesomplete-avoid-xss/awesomplete.js");
/* harmony import */ var awesomplete__WEBPACK_IMPORTED_MODULE_3___default = /*#__PURE__*/__webpack_require__.n(awesomplete__WEBPACK_IMPORTED_MODULE_3__);
/* harmony import */ var formdata_polyfill__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! formdata-polyfill */ "./node_modules/formdata-polyfill/FormData.js");
/* harmony import */ var formdata_polyfill__WEBPACK_IMPORTED_MODULE_4___default = /*#__PURE__*/__webpack_require__.n(formdata_polyfill__WEBPACK_IMPORTED_MODULE_4__);
/* harmony import */ var _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(/*! @converse/headless/converse-core */ "./src/headless/converse-core.js");
/* harmony import */ var templates_add_contact_modal_html__WEBPACK_IMPORTED_MODULE_6__ = __webpack_require__(/*! templates/add_contact_modal.html */ "./src/templates/add_contact_modal.html");
/* harmony import */ var templates_add_contact_modal_html__WEBPACK_IMPORTED_MODULE_6___default = /*#__PURE__*/__webpack_require__.n(templates_add_contact_modal_html__WEBPACK_IMPORTED_MODULE_6__);
/* harmony import */ var templates_group_header_html__WEBPACK_IMPORTED_MODULE_7__ = __webpack_require__(/*! templates/group_header.html */ "./src/templates/group_header.html");
/* harmony import */ var templates_group_header_html__WEBPACK_IMPORTED_MODULE_7___default = /*#__PURE__*/__webpack_require__.n(templates_group_header_html__WEBPACK_IMPORTED_MODULE_7__);
/* harmony import */ var templates_pending_contact_html__WEBPACK_IMPORTED_MODULE_8__ = __webpack_require__(/*! templates/pending_contact.html */ "./src/templates/pending_contact.html");
/* harmony import */ var templates_pending_contact_html__WEBPACK_IMPORTED_MODULE_8___default = /*#__PURE__*/__webpack_require__.n(templates_pending_contact_html__WEBPACK_IMPORTED_MODULE_8__);
/* harmony import */ var templates_requesting_contact_html__WEBPACK_IMPORTED_MODULE_9__ = __webpack_require__(/*! templates/requesting_contact.html */ "./src/templates/requesting_contact.html");
/* harmony import */ var templates_requesting_contact_html__WEBPACK_IMPORTED_MODULE_9___default = /*#__PURE__*/__webpack_require__.n(templates_requesting_contact_html__WEBPACK_IMPORTED_MODULE_9__);
/* harmony import */ var templates_roster_html__WEBPACK_IMPORTED_MODULE_10__ = __webpack_require__(/*! templates/roster.html */ "./src/templates/roster.html");
/* harmony import */ var templates_roster_html__WEBPACK_IMPORTED_MODULE_10___default = /*#__PURE__*/__webpack_require__.n(templates_roster_html__WEBPACK_IMPORTED_MODULE_10__);
/* harmony import */ var templates_roster_filter_html__WEBPACK_IMPORTED_MODULE_11__ = __webpack_require__(/*! templates/roster_filter.html */ "./src/templates/roster_filter.html");
/* harmony import */ var templates_roster_filter_html__WEBPACK_IMPORTED_MODULE_11___default = /*#__PURE__*/__webpack_require__.n(templates_roster_filter_html__WEBPACK_IMPORTED_MODULE_11__);
/* harmony import */ var templates_roster_item_html__WEBPACK_IMPORTED_MODULE_12__ = __webpack_require__(/*! templates/roster_item.html */ "./src/templates/roster_item.html");
/* harmony import */ var templates_roster_item_html__WEBPACK_IMPORTED_MODULE_12___default = /*#__PURE__*/__webpack_require__.n(templates_roster_item_html__WEBPACK_IMPORTED_MODULE_12__);
/* harmony import */ var templates_search_contact_html__WEBPACK_IMPORTED_MODULE_13__ = __webpack_require__(/*! templates/search_contact.html */ "./src/templates/search_contact.html");
/* harmony import */ var templates_search_contact_html__WEBPACK_IMPORTED_MODULE_13___default = /*#__PURE__*/__webpack_require__.n(templates_search_contact_html__WEBPACK_IMPORTED_MODULE_13__);
// Converse.js
// http://conversejs.org
//
// Copyright (c) 2013-2018, the Converse.js developers
// Licensed under the Mozilla Public License (MPLv2)














const _converse$env = _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_5__["default"].env,
      Backbone = _converse$env.Backbone,
      Strophe = _converse$env.Strophe,
      $iq = _converse$env.$iq,
      b64_sha1 = _converse$env.b64_sha1,
      sizzle = _converse$env.sizzle,
      _ = _converse$env._;
const u = _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_5__["default"].env.utils;
_converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_5__["default"].plugins.add('converse-rosterview', {
  dependencies: ["converse-roster", "converse-modal"],
  overrides: {
    // Overrides mentioned here will be picked up by converse.js's
    // plugin architecture they will replace existing methods on the
    // relevant objects or classes.
    //
    // New functions which don't exist yet can also be added.
    afterReconnected() {
      this.__super__.afterReconnected.apply(this, arguments);
    },

    tearDown() {
      /* Remove the rosterview when tearing down. It gets created
       * anew when reconnecting or logging in.
       */
      this.__super__.tearDown.apply(this, arguments);

      if (!_.isUndefined(this.rosterview)) {
        this.rosterview.remove();
      }
    },

    RosterGroups: {
      comparator() {
        // RosterGroupsComparator only gets set later (once i18n is
        // set up), so we need to wrap it in this nameless function.
        const _converse = this.__super__._converse;
        return _converse.RosterGroupsComparator.apply(this, arguments);
      }

    }
  },

  initialize() {
    /* The initialize function gets called as soon as the plugin is
     * loaded by converse.js's plugin machinery.
     */
    const _converse = this._converse,
          __ = _converse.__;

    _converse.api.settings.update({
      'allow_chat_pending_contacts': true,
      'allow_contact_removal': true,
      'hide_offline_users': false,
      'roster_groups': true,
      'show_only_online_users': false,
      'show_toolbar': true,
      'xhr_user_search_url': null
    });

    _converse.api.promises.add('rosterViewInitialized');

    const STATUSES = {
      'dnd': __('This contact is busy'),
      'online': __('This contact is online'),
      'offline': __('This contact is offline'),
      'unavailable': __('This contact is unavailable'),
      'xa': __('This contact is away for an extended period'),
      'away': __('This contact is away')
    };

    const LABEL_GROUPS = __('Groups');

    const HEADER_CURRENT_CONTACTS = __('My contacts');

    const HEADER_PENDING_CONTACTS = __('Pending contacts');

    const HEADER_REQUESTING_CONTACTS = __('Contact requests');

    const HEADER_UNGROUPED = __('Ungrouped');

    const HEADER_WEIGHTS = {};
    HEADER_WEIGHTS[HEADER_REQUESTING_CONTACTS] = 0;
    HEADER_WEIGHTS[HEADER_CURRENT_CONTACTS] = 1;
    HEADER_WEIGHTS[HEADER_UNGROUPED] = 2;
    HEADER_WEIGHTS[HEADER_PENDING_CONTACTS] = 3;

    _converse.RosterGroupsComparator = function (a, b) {
      /* Groups are sorted alphabetically, ignoring case.
       * However, Ungrouped, Requesting Contacts and Pending Contacts
       * appear last and in that order.
       */
      a = a.get('name');
      b = b.get('name');

      const special_groups = _.keys(HEADER_WEIGHTS);

      const a_is_special = _.includes(special_groups, a);

      const b_is_special = _.includes(special_groups, b);

      if (!a_is_special && !b_is_special) {
        return a.toLowerCase() < b.toLowerCase() ? -1 : a.toLowerCase() > b.toLowerCase() ? 1 : 0;
      } else if (a_is_special && b_is_special) {
        return HEADER_WEIGHTS[a] < HEADER_WEIGHTS[b] ? -1 : HEADER_WEIGHTS[a] > HEADER_WEIGHTS[b] ? 1 : 0;
      } else if (!a_is_special && b_is_special) {
        return b === HEADER_REQUESTING_CONTACTS ? 1 : -1;
      } else if (a_is_special && !b_is_special) {
        return a === HEADER_REQUESTING_CONTACTS ? -1 : 1;
      }
    };

    _converse.AddContactModal = _converse.BootstrapModal.extend({
      events: {
        'submit form': 'addContactFromForm'
      },

      initialize() {
        _converse.BootstrapModal.prototype.initialize.apply(this, arguments);

        this.model.on('change', this.render, this);
      },

      toHTML() {
        const label_nickname = _converse.xhr_user_search_url ? __('Contact name') : __('Optional nickname');
        return templates_add_contact_modal_html__WEBPACK_IMPORTED_MODULE_6___default()(_.extend(this.model.toJSON(), {
          '_converse': _converse,
          'heading_new_contact': __('Add a Contact'),
          'label_xmpp_address': __('XMPP Address'),
          'label_nickname': label_nickname,
          'contact_placeholder': __('name@example.org'),
          'label_add': __('Add'),
          'error_message': __('Please enter a valid XMPP address')
        }));
      },

      afterRender() {
        if (_converse.xhr_user_search_url && _.isString(_converse.xhr_user_search_url)) {
          this.initXHRAutoComplete(this.el);
        } else {
          this.initJIDAutoComplete(this.el);
        }

        const jid_input = this.el.querySelector('input[name="jid"]');
        this.el.addEventListener('shown.bs.modal', () => {
          jid_input.focus();
        }, false);
      },

      initJIDAutoComplete(root) {
        const jid_input = root.querySelector('input[name="jid"]');

        const list = _.uniq(_converse.roster.map(item => Strophe.getDomainFromJid(item.get('jid'))));

        new awesomplete__WEBPACK_IMPORTED_MODULE_3___default.a(jid_input, {
          'list': list,
          'data': function data(text, input) {
            return input.slice(0, input.indexOf("@")) + "@" + text;
          },
          'filter': awesomplete__WEBPACK_IMPORTED_MODULE_3___default.a.FILTER_STARTSWITH
        });
      },

      initXHRAutoComplete(root) {
        const name_input = this.el.querySelector('input[name="name"]');
        const jid_input = this.el.querySelector('input[name="jid"]');
        const awesomplete = new awesomplete__WEBPACK_IMPORTED_MODULE_3___default.a(name_input, {
          'minChars': 1,
          'list': []
        });
        const xhr = new window.XMLHttpRequest(); // `open` must be called after `onload` for mock/testing purposes.

        xhr.onload = function () {
          if (xhr.responseText) {
            awesomplete.list = JSON.parse(xhr.responseText).map(i => {
              //eslint-disable-line arrow-body-style
              return {
                'label': i.fullname || i.jid,
                'value': i.jid
              };
            });
            awesomplete.evaluate();
          }
        };

        name_input.addEventListener('input', _.debounce(() => {
          xhr.open("GET", `${_converse.xhr_user_search_url}q=${name_input.value}`, true);
          xhr.send();
        }, 300));
        this.el.addEventListener('awesomplete-selectcomplete', ev => {
          jid_input.value = ev.text.value;
          name_input.value = ev.text.label;
        });
      },

      addContactFromForm(ev) {
        ev.preventDefault();
        const data = new FormData(ev.target),
              jid = data.get('jid'),
              name = data.get('name');

        if (!jid || _.compact(jid.split('@')).length < 2) {
          // XXX: we have to do this manually, instead of via
          // toHTML because Awesomplete messes things up and
          // confuses Snabbdom
          u.addClass('is-invalid', this.el.querySelector('input[name="jid"]'));
          u.addClass('d-block', this.el.querySelector('.invalid-feedback'));
        } else {
          ev.target.reset();

          _converse.roster.addAndSubscribe(jid, name);

          this.model.clear();
          this.modal.hide();
        }
      }

    });
    _converse.RosterFilter = Backbone.Model.extend({
      initialize() {
        this.set({
          'filter_text': '',
          'filter_type': 'contacts',
          'chat_state': ''
        });
      }

    });
    _converse.RosterFilterView = Backbone.VDOMView.extend({
      tagName: 'form',
      className: 'roster-filter-form',
      events: {
        "keydown .roster-filter": "liveFilter",
        "submit form.roster-filter-form": "submitFilter",
        "click .clear-input": "clearFilter",
        "click .filter-by span": "changeTypeFilter",
        "change .state-type": "changeChatStateFilter"
      },

      initialize() {
        this.model.on('change:filter_type', this.render, this);
        this.model.on('change:filter_text', this.render, this);
      },

      toHTML() {
        return templates_roster_filter_html__WEBPACK_IMPORTED_MODULE_11___default()(_.extend(this.model.toJSON(), {
          visible: this.shouldBeVisible(),
          placeholder: __('Filter'),
          title_contact_filter: __('Filter by contact name'),
          title_group_filter: __('Filter by group name'),
          title_status_filter: __('Filter by status'),
          label_any: __('Any'),
          label_unread_messages: __('Unread'),
          label_online: __('Online'),
          label_chatty: __('Chatty'),
          label_busy: __('Busy'),
          label_away: __('Away'),
          label_xa: __('Extended Away'),
          label_offline: __('Offline')
        }));
      },

      changeChatStateFilter(ev) {
        if (ev && ev.preventDefault) {
          ev.preventDefault();
        }

        this.model.save({
          'chat_state': this.el.querySelector('.state-type').value
        });
      },

      changeTypeFilter(ev) {
        if (ev && ev.preventDefault) {
          ev.preventDefault();
        }

        const type = ev.target.dataset.type;

        if (type === 'state') {
          this.model.save({
            'filter_type': type,
            'chat_state': this.el.querySelector('.state-type').value
          });
        } else {
          this.model.save({
            'filter_type': type,
            'filter_text': this.el.querySelector('.roster-filter').value
          });
        }
      },

      liveFilter: _.debounce(function (ev) {
        this.model.save({
          'filter_text': this.el.querySelector('.roster-filter').value
        });
      }, 250),

      submitFilter(ev) {
        if (ev && ev.preventDefault) {
          ev.preventDefault();
        }

        this.liveFilter();
        this.render();
      },

      isActive() {
        /* Returns true if the filter is enabled (i.e. if the user
         * has added values to the filter).
         */
        if (this.model.get('filter_type') === 'state' || this.model.get('filter_text')) {
          return true;
        }

        return false;
      },

      shouldBeVisible() {
        return _converse.roster.length >= 5 || this.isActive();
      },

      showOrHide() {
        if (this.shouldBeVisible()) {
          this.show();
        } else {
          this.hide();
        }
      },

      show() {
        if (u.isVisible(this.el)) {
          return this;
        }

        this.el.classList.add('fade-in');
        this.el.classList.remove('hidden');
        return this;
      },

      hide() {
        if (!u.isVisible(this.el)) {
          return this;
        }

        this.model.save({
          'filter_text': '',
          'chat_state': ''
        });
        this.el.classList.add('hidden');
        return this;
      },

      clearFilter(ev) {
        if (ev && ev.preventDefault) {
          ev.preventDefault();
          u.hideElement(this.el.querySelector('.clear-input'));
        }

        const roster_filter = this.el.querySelector('.roster-filter');
        roster_filter.value = '';
        this.model.save({
          'filter_text': ''
        });
      }

    });
    _converse.RosterContactView = Backbone.NativeView.extend({
      tagName: 'li',
      className: 'list-item d-flex hidden controlbox-padded',
      events: {
        "click .accept-xmpp-request": "acceptRequest",
        "click .decline-xmpp-request": "declineRequest",
        "click .open-chat": "openChat",
        "click .remove-xmpp-contact": "removeContact"
      },

      initialize() {
        this.model.on("change", this.render, this);
        this.model.on("highlight", this.highlight, this);
        this.model.on("destroy", this.remove, this);
        this.model.on("open", this.openChat, this);
        this.model.on("remove", this.remove, this);
        this.model.presence.on("change:show", this.render, this);
        this.model.vcard.on('change:fullname', this.render, this);
      },

      render() {
        const that = this;

        if (!this.mayBeShown()) {
          u.hideElement(this.el);
          return this;
        }

        const ask = this.model.get('ask'),
              show = this.model.presence.get('show'),
              requesting = this.model.get('requesting'),
              subscription = this.model.get('subscription');
        const classes_to_remove = ['current-xmpp-contact', 'pending-xmpp-contact', 'requesting-xmpp-contact'].concat(_.keys(STATUSES));

        _.each(classes_to_remove, function (cls) {
          if (_.includes(that.el.className, cls)) {
            that.el.classList.remove(cls);
          }
        });

        this.el.classList.add(show);
        this.el.setAttribute('data-status', show);
        this.highlight();

        if (_converse.isUniView()) {
          const chatbox = _converse.chatboxes.get(this.model.get('jid'));

          if (chatbox) {
            if (chatbox.get('hidden')) {
              this.el.classList.remove('open');
            } else {
              this.el.classList.add('open');
            }
          }
        }

        if (ask === 'subscribe' || subscription === 'from') {
          /* ask === 'subscribe'
           *      Means we have asked to subscribe to them.
           *
           * subscription === 'from'
           *      They are subscribed to use, but not vice versa.
           *      We assume that there is a pending subscription
           *      from us to them (otherwise we're in a state not
           *      supported by converse.js).
           *
           *  So in both cases the user is a "pending" contact.
           */
          const display_name = this.model.getDisplayName();
          this.el.classList.add('pending-xmpp-contact');
          this.el.innerHTML = templates_pending_contact_html__WEBPACK_IMPORTED_MODULE_8___default()(_.extend(this.model.toJSON(), {
            'display_name': display_name,
            'desc_remove': __('Click to remove %1$s as a contact', display_name),
            'allow_chat_pending_contacts': _converse.allow_chat_pending_contacts
          }));
        } else if (requesting === true) {
          const display_name = this.model.getDisplayName();
          this.el.classList.add('requesting-xmpp-contact');
          this.el.innerHTML = templates_requesting_contact_html__WEBPACK_IMPORTED_MODULE_9___default()(_.extend(this.model.toJSON(), {
            'display_name': display_name,
            'desc_accept': __("Click to accept the contact request from %1$s", display_name),
            'desc_decline': __("Click to decline the contact request from %1$s", display_name),
            'allow_chat_pending_contacts': _converse.allow_chat_pending_contacts
          }));
        } else if (subscription === 'both' || subscription === 'to') {
          this.el.classList.add('current-xmpp-contact');
          this.el.classList.remove(_.without(['both', 'to'], subscription)[0]);
          this.el.classList.add(subscription);
          this.renderRosterItem(this.model);
        }

        return this;
      },

      highlight() {
        /* If appropriate, highlight the contact (by adding the 'open' class).
         */
        if (_converse.isUniView()) {
          const chatbox = _converse.chatboxes.get(this.model.get('jid'));

          if (chatbox) {
            if (chatbox.get('hidden')) {
              this.el.classList.remove('open');
            } else {
              this.el.classList.add('open');
            }
          }
        }
      },

      renderRosterItem(item) {
        let status_icon = 'fa fa-times-circle';
        const show = item.presence.get('show') || 'offline';

        if (show === 'online') {
          status_icon = 'fa fa-circle chat-status chat-status--online';
        } else if (show === 'away') {
          status_icon = 'fa fa-circle chat-status chat-status--away';
        } else if (show === 'xa') {
          status_icon = 'far fa-circle chat-status';
        } else if (show === 'dnd') {
          status_icon = 'fa fa-minus-circle chat-status chat-status--busy';
        }

        const display_name = item.getDisplayName();
        this.el.innerHTML = templates_roster_item_html__WEBPACK_IMPORTED_MODULE_12___default()(_.extend(item.toJSON(), {
          'display_name': display_name,
          'desc_status': STATUSES[show],
          'status_icon': status_icon,
          'desc_chat': __('Click to chat with %1$s (JID: %2$s)', display_name, item.get('jid')),
          'desc_remove': __('Click to remove %1$s as a contact', display_name),
          'allow_contact_removal': _converse.allow_contact_removal,
          'num_unread': item.get('num_unread') || 0
        }));
        return this;
      },

      mayBeShown() {
        /* Return a boolean indicating whether this contact should
         * generally be visible in the roster.
         *
         * It doesn't check for the more specific case of whether
         * the group it's in is collapsed.
         */
        const chatStatus = this.model.presence.get('show');

        if (_converse.show_only_online_users && chatStatus !== 'online' || _converse.hide_offline_users && chatStatus === 'offline') {
          // If pending or requesting, show
          if (this.model.get('ask') === 'subscribe' || this.model.get('subscription') === 'from' || this.model.get('requesting') === true) {
            return true;
          }

          return false;
        }

        return true;
      },

      openChat(ev) {
        if (ev && ev.preventDefault) {
          ev.preventDefault();
        }

        const attrs = this.model.attributes;

        _converse.api.chats.open(attrs.jid, attrs);
      },

      async removeContact(ev) {
        if (ev && ev.preventDefault) {
          ev.preventDefault();
        }

        if (!_converse.allow_contact_removal) {
          return;
        }

        if (!confirm(__("Are you sure you want to remove this contact?"))) {
          return;
        }

        let iq;

        try {
          iq = await this.model.removeFromRoster();
          this.remove();

          if (this.model.collection) {
            // The model might have already been removed as
            // result of a roster push.
            this.model.destroy();
          }
        } catch (e) {
          _converse.log(e, Strophe.LogLevel.ERROR);

          _converse.api.alert.show(Strophe.LogLevel.ERROR, __('Sorry, there was an error while trying to remove %1$s as a contact.', name));
        }
      },

      async acceptRequest(ev) {
        if (ev && ev.preventDefault) {
          ev.preventDefault();
        }

        await _converse.roster.sendContactAddIQ(this.model.get('jid'), this.model.getFullname(), []);
        this.model.authorize().subscribe();
      },

      declineRequest(ev) {
        if (ev && ev.preventDefault) {
          ev.preventDefault();
        }

        const result = confirm(__("Are you sure you want to decline this contact request?"));

        if (result === true) {
          this.model.unauthorize().destroy();
        }

        return this;
      }

    });
    _converse.RosterGroupView = Backbone.OrderedListView.extend({
      tagName: 'div',
      className: 'roster-group hidden',
      events: {
        "click a.group-toggle": "toggle"
      },
      ItemView: _converse.RosterContactView,
      listItems: 'model.contacts',
      listSelector: '.roster-group-contacts',
      sortEvent: 'presenceChanged',

      initialize() {
        Backbone.OrderedListView.prototype.initialize.apply(this, arguments);
        this.model.contacts.on("change:subscription", this.onContactSubscriptionChange, this);
        this.model.contacts.on("change:requesting", this.onContactRequestChange, this);
        this.model.contacts.on("remove", this.onRemove, this);

        _converse.roster.on('change:groups', this.onContactGroupChange, this); // This event gets triggered once *all* contacts (i.e. not
        // just this group's) have been fetched from browser
        // storage or the XMPP server and once they've been
        // assigned to their various groups.


        _converse.rosterview.on('rosterContactsFetchedAndProcessed', this.sortAndPositionAllItems.bind(this));
      },

      render() {
        this.el.setAttribute('data-group', this.model.get('name'));
        this.el.innerHTML = templates_group_header_html__WEBPACK_IMPORTED_MODULE_7___default()({
          'label_group': this.model.get('name'),
          'desc_group_toggle': this.model.get('description'),
          'toggle_state': this.model.get('state'),
          '_converse': _converse
        });
        this.contacts_el = this.el.querySelector('.roster-group-contacts');
        return this;
      },

      show() {
        u.showElement(this.el);

        _.each(this.getAll(), contact_view => {
          if (contact_view.mayBeShown() && this.model.get('state') === _converse.OPENED) {
            u.showElement(contact_view.el);
          }
        });

        return this;
      },

      collapse() {
        return u.slideIn(this.contacts_el);
      },

      filterOutContacts(contacts = []) {
        /* Given a list of contacts, make sure they're filtered out
         * (aka hidden) and that all other contacts are visible.
         *
         * If all contacts are hidden, then also hide the group
         * title.
         */
        let shown = 0;
        const all_contact_views = this.getAll();

        _.each(this.model.contacts.models, contact => {
          const contact_view = this.get(contact.get('id'));

          if (_.includes(contacts, contact)) {
            u.hideElement(contact_view.el);
          } else if (contact_view.mayBeShown()) {
            u.showElement(contact_view.el);
            shown += 1;
          }
        });

        if (shown) {
          u.showElement(this.el);
        } else {
          u.hideElement(this.el);
        }
      },

      getFilterMatches(q, type) {
        /* Given the filter query "q" and the filter type "type",
         * return a list of contacts that need to be filtered out.
         */
        if (q.length === 0) {
          return [];
        }

        let matches;
        q = q.toLowerCase();

        if (type === 'state') {
          if (this.model.get('name') === HEADER_REQUESTING_CONTACTS) {
            // When filtering by chat state, we still want to
            // show requesting contacts, even though they don't
            // have the state in question.
            matches = this.model.contacts.filter(contact => !_.includes(contact.presence.get('show'), q) && !contact.get('requesting'));
          } else if (q === 'unread_messages') {
            matches = this.model.contacts.filter({
              'num_unread': 0
            });
          } else {
            matches = this.model.contacts.filter(contact => !_.includes(contact.presence.get('show'), q));
          }
        } else {
          matches = this.model.contacts.filter(contact => {
            return !_.includes(contact.getDisplayName().toLowerCase(), q.toLowerCase());
          });
        }

        return matches;
      },

      filter(q, type) {
        /* Filter the group's contacts based on the query "q".
         *
         * If all contacts are filtered out (i.e. hidden), then the
         * group must be filtered out as well.
         */
        if (_.isNil(q)) {
          type = type || _converse.rosterview.filter_view.model.get('filter_type');

          if (type === 'state') {
            q = _converse.rosterview.filter_view.model.get('chat_state');
          } else {
            q = _converse.rosterview.filter_view.model.get('filter_text');
          }
        }

        this.filterOutContacts(this.getFilterMatches(q, type));
      },

      async toggle(ev) {
        if (ev && ev.preventDefault) {
          ev.preventDefault();
        }

        const icon_el = ev.target.matches('.fa') ? ev.target : ev.target.querySelector('.fa');

        if (_.includes(icon_el.classList, "fa-caret-down")) {
          this.model.save({
            state: _converse.CLOSED
          });
          await this.collapse();
          icon_el.classList.remove("fa-caret-down");
          icon_el.classList.add("fa-caret-right");
        } else {
          icon_el.classList.remove("fa-caret-right");
          icon_el.classList.add("fa-caret-down");
          this.model.save({
            state: _converse.OPENED
          });
          this.filter();
          u.showElement(this.el);
          u.slideOut(this.contacts_el);
        }
      },

      onContactGroupChange(contact) {
        const in_this_group = _.includes(contact.get('groups'), this.model.get('name'));

        const cid = contact.get('id');
        const in_this_overview = !this.get(cid);

        if (in_this_group && !in_this_overview) {
          this.items.trigger('add', contact);
        } else if (!in_this_group) {
          this.removeContact(contact);
        }
      },

      onContactSubscriptionChange(contact) {
        if (this.model.get('name') === HEADER_PENDING_CONTACTS && contact.get('subscription') !== 'from') {
          this.removeContact(contact);
        }
      },

      onContactRequestChange(contact) {
        if (this.model.get('name') === HEADER_REQUESTING_CONTACTS && !contact.get('requesting')) {
          this.removeContact(contact);
        }
      },

      removeContact(contact) {
        // We suppress events, otherwise the remove event will
        // also cause the contact's view to be removed from the
        // "Pending Contacts" group.
        this.model.contacts.remove(contact, {
          'silent': true
        });
        this.onRemove(contact);
      },

      onRemove(contact) {
        this.remove(contact.get('jid'));

        if (this.model.contacts.length === 0) {
          this.remove();
        }
      }

    });
    _converse.RosterView = Backbone.OrderedListView.extend({
      tagName: 'div',
      id: 'converse-roster',
      className: 'controlbox-section',
      ItemView: _converse.RosterGroupView,
      listItems: 'model',
      listSelector: '.roster-contacts',
      sortEvent: null,
      // Groups are immutable, so they don't get re-sorted
      subviewIndex: 'name',
      events: {
        'click a.controlbox-heading__btn.add-contact': 'showAddContactModal',
        'click a.controlbox-heading__btn.sync-contacts': 'syncContacts'
      },

      initialize() {
        Backbone.OrderedListView.prototype.initialize.apply(this, arguments);

        _converse.roster.on("add", this.onContactAdded, this);

        _converse.roster.on('change:groups', this.onContactAdded, this);

        _converse.roster.on('change', this.onContactChange, this);

        _converse.roster.on("destroy", this.update, this);

        _converse.roster.on("remove", this.update, this);

        _converse.presences.on('change:show', () => {
          this.update();
          this.updateFilter();
        });

        this.model.on("reset", this.reset, this); // This event gets triggered once *all* contacts (i.e. not
        // just this group's) have been fetched from browser
        // storage or the XMPP server and once they've been
        // assigned to their various groups.

        _converse.on('rosterGroupsFetched', this.sortAndPositionAllItems.bind(this));

        _converse.on('rosterContactsFetched', () => {
          _converse.roster.each(contact => this.addRosterContact(contact, {
            'silent': true
          }));

          this.update();
          this.updateFilter();
          this.trigger('rosterContactsFetchedAndProcessed');
        });

        this.createRosterFilter();
      },

      render() {
        this.el.innerHTML = templates_roster_html__WEBPACK_IMPORTED_MODULE_10___default()({
          'allow_contact_requests': _converse.allow_contact_requests,
          'heading_contacts': __('Contacts'),
          'title_add_contact': __('Add a contact'),
          'title_sync_contacts': __('Re-sync your contacts')
        });
        const form = this.el.querySelector('.roster-filter-form');
        this.el.replaceChild(this.filter_view.render().el, form);
        this.roster_el = this.el.querySelector('.roster-contacts');
        return this;
      },

      showAddContactModal(ev) {
        if (_.isUndefined(this.add_contact_modal)) {
          this.add_contact_modal = new _converse.AddContactModal({
            'model': new Backbone.Model()
          });
        }

        this.add_contact_modal.show(ev);
      },

      createRosterFilter() {
        // Create a model on which we can store filter properties
        const model = new _converse.RosterFilter();
        model.id = b64_sha1(`_converse.rosterfilter${_converse.bare_jid}`);
        model.browserStorage = new Backbone.BrowserStorage.local(this.filter.id);
        this.filter_view = new _converse.RosterFilterView({
          'model': model
        });
        this.filter_view.model.on('change', this.updateFilter, this);
        this.filter_view.model.fetch();
      },

      updateFilter: _.debounce(function () {
        /* Filter the roster again.
         * Called whenever the filter settings have been changed or
         * when contacts have been added, removed or changed.
         *
         * Debounced so that it doesn't get called for every
         * contact fetched from browser storage.
         */
        const type = this.filter_view.model.get('filter_type');

        if (type === 'state') {
          this.filter(this.filter_view.model.get('chat_state'), type);
        } else {
          this.filter(this.filter_view.model.get('filter_text'), type);
        }
      }, 100),
      update: _.debounce(function () {
        if (!u.isVisible(this.roster_el)) {
          u.showElement(this.roster_el);
        }

        this.filter_view.showOrHide();
        return this;
      }, _converse.animate ? 100 : 0),

      filter(query, type) {
        // First we make sure the filter is restored to its
        // original state
        _.each(this.getAll(), function (view) {
          if (view.model.contacts.length > 0) {
            view.show().filter('');
          }
        }); // Now we can filter


        query = query.toLowerCase();

        if (type === 'groups') {
          _.each(this.getAll(), function (view, idx) {
            if (!_.includes(view.model.get('name').toLowerCase(), query.toLowerCase())) {
              u.slideIn(view.el);
            } else if (view.model.contacts.length > 0) {
              u.slideOut(view.el);
            }
          });
        } else {
          _.each(this.getAll(), function (view) {
            view.filter(query, type);
          });
        }
      },

      async syncContacts(ev) {
        ev.preventDefault();
        u.addClass('fa-spin', ev.target);

        _converse.roster.data.save('version', null);

        await _converse.roster.fetchFromServer();

        _converse.xmppstatus.sendPresence();

        u.removeClass('fa-spin', ev.target);
      },

      reset() {
        _converse.roster.reset();

        this.removeAll();
        this.render().update();
        return this;
      },

      onContactAdded(contact) {
        this.addRosterContact(contact);
        this.update();
        this.updateFilter();
      },

      onContactChange(contact) {
        this.updateChatBox(contact);
        this.update();

        if (_.has(contact.changed, 'subscription')) {
          if (contact.changed.subscription === 'from') {
            this.addContactToGroup(contact, HEADER_PENDING_CONTACTS);
          } else if (_.includes(['both', 'to'], contact.get('subscription'))) {
            this.addExistingContact(contact);
          }
        }

        if (_.has(contact.changed, 'ask') && contact.changed.ask === 'subscribe') {
          this.addContactToGroup(contact, HEADER_PENDING_CONTACTS);
        }

        if (_.has(contact.changed, 'subscription') && contact.changed.requesting === 'true') {
          this.addContactToGroup(contact, HEADER_REQUESTING_CONTACTS);
        }

        this.updateFilter();
      },

      updateChatBox(contact) {
        if (!this.model.chatbox) {
          return this;
        }

        const changes = {};

        if (_.has(contact.changed, 'status')) {
          changes.status = contact.get('status');
        }

        this.model.chatbox.save(changes);
        return this;
      },

      getGroup(name) {
        /* Returns the group as specified by name.
         * Creates the group if it doesn't exist.
         */
        const view = this.get(name);

        if (view) {
          return view.model;
        }

        return this.model.create({
          name,
          id: b64_sha1(name)
        });
      },

      addContactToGroup(contact, name, options) {
        this.getGroup(name).contacts.add(contact, options);
        this.sortAndPositionAllItems();
      },

      addExistingContact(contact, options) {
        let groups;

        if (_converse.roster_groups) {
          groups = contact.get('groups');

          if (groups.length === 0) {
            groups = [HEADER_UNGROUPED];
          }
        } else {
          groups = [HEADER_CURRENT_CONTACTS];
        }

        _.each(groups, _.bind(this.addContactToGroup, this, contact, _, options));
      },

      addRosterContact(contact, options) {
        if (contact.get('subscription') === 'both' || contact.get('subscription') === 'to') {
          this.addExistingContact(contact, options);
        } else {
          if (!_converse.allow_contact_requests) {
            _converse.log(`Not adding requesting or pending contact ${contact.get('jid')} ` + `because allow_contact_requests is false`, Strophe.LogLevel.DEBUG);

            return;
          }

          if (contact.get('ask') === 'subscribe' || contact.get('subscription') === 'from') {
            this.addContactToGroup(contact, HEADER_PENDING_CONTACTS, options);
          } else if (contact.get('requesting') === true) {
            this.addContactToGroup(contact, HEADER_REQUESTING_CONTACTS, options);
          }
        }

        return this;
      }

    });
    /* -------- Event Handlers ----------- */

    _converse.api.listen.on('chatBoxesInitialized', () => {
      _converse.chatboxes.on('change:hidden', chatbox => {
        const contact = _converse.roster.findWhere({
          'jid': chatbox.get('jid')
        });

        if (!_.isUndefined(contact)) {
          contact.trigger('highlight', contact);
        }
      });
    });

    function initRoster() {
      /* Create an instance of RosterView once the RosterGroups
       * collection has been created (in @converse/headless/converse-core.js)
       */
      if (_converse.authentication === _converse.ANONYMOUS) {
        return;
      }

      _converse.rosterview = new _converse.RosterView({
        'model': _converse.rostergroups
      });

      _converse.rosterview.render();

      _converse.emit('rosterViewInitialized');
    }

    _converse.api.listen.on('rosterInitialized', initRoster);

    _converse.api.listen.on('rosterReadyAfterReconnection', initRoster);
  }

});

/***/ }),

/***/ "./src/converse-singleton.js":
/*!***********************************!*\
  !*** ./src/converse-singleton.js ***!
  \***********************************/
/*! no exports provided */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var converse_chatview__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! converse-chatview */ "./src/converse-chatview.js");
/* harmony import */ var _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! @converse/headless/converse-core */ "./src/headless/converse-core.js");
// Converse.js
// http://conversejs.org
//
// Copyright (c) 2013-2018, the Converse.js developers
// Licensed under the Mozilla Public License (MPLv2)

/* converse-singleton
 * ******************
 *
 * A plugin which ensures that only one chat (private or groupchat) is
 * visible at any one time. All other ongoing chats are hidden and kept in the
 * background.
 *
 * This plugin makes sense in mobile or fullscreen chat environments (as
 * configured by the `view_mode` setting).
 */


const _converse$env = _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_1__["default"].env,
      _ = _converse$env._,
      Strophe = _converse$env.Strophe;
const u = _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_1__["default"].env.utils;

function hideChat(view) {
  if (view.model.get('id') === 'controlbox') {
    return;
  }

  u.safeSave(view.model, {
    'hidden': true
  });
  view.hide();
}

_converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_1__["default"].plugins.add('converse-singleton', {
  // It's possible however to make optional dependencies non-optional.
  // If the setting "strict_plugin_dependencies" is set to true,
  // an error will be raised if the plugin is not found.
  //
  // NB: These plugins need to have already been loaded via require.js.
  dependencies: ['converse-chatboxes', 'converse-muc', 'converse-muc-views', 'converse-controlbox', 'converse-rosterview'],
  overrides: {
    // overrides mentioned here will be picked up by converse.js's
    // plugin architecture they will replace existing methods on the
    // relevant objects or classes.
    //
    // new functions which don't exist yet can also be added.
    ChatBoxes: {
      chatBoxMayBeShown(chatbox) {
        const _converse = this.__super__._converse;

        if (chatbox.get('id') === 'controlbox') {
          return true;
        }

        if (_converse.isUniView()) {
          const any_chats_visible = _converse.chatboxes.filter(cb => cb.get('id') != 'controlbox').filter(cb => !cb.get('hidden')).length > 0;

          if (any_chats_visible) {
            return !chatbox.get('hidden');
          } else {
            return true;
          }
        } else {
          return this.__super__.chatBoxMayBeShown.apply(this, arguments);
        }
      },

      createChatBox(jid, attrs) {
        /* Make sure new chat boxes are hidden by default. */
        const _converse = this.__super__._converse;

        if (_converse.isUniView()) {
          attrs = attrs || {};
          attrs.hidden = true;
        }

        return this.__super__.createChatBox.call(this, jid, attrs);
      }

    },
    ChatBoxView: {
      shouldShowOnTextMessage() {
        const _converse = this.__super__._converse;

        if (_converse.isUniView()) {
          return false;
        } else {
          return this.__super__.shouldShowOnTextMessage.apply(this, arguments);
        }
      },

      _show(focus) {
        /* We only have one chat visible at any one
         * time. So before opening a chat, we make sure all other
         * chats are hidden.
         */
        const _converse = this.__super__._converse;

        if (_converse.isUniView()) {
          _.each(this.__super__._converse.chatboxviews.xget(this.model.get('id')), hideChat);

          u.safeSave(this.model, {
            'hidden': false
          });
        }

        return this.__super__._show.apply(this, arguments);
      }

    },
    ChatRoomView: {
      show(focus) {
        const _converse = this.__super__._converse;

        if (_converse.isUniView()) {
          _.each(this.__super__._converse.chatboxviews.xget(this.model.get('id')), hideChat);

          u.safeSave(this.model, {
            'hidden': false
          });
        }

        return this.__super__.show.apply(this, arguments);
      }

    }
  }
});

/***/ }),

/***/ "./src/converse.js":
/*!*************************!*\
  !*** ./src/converse.js ***!
  \*************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var _converse_headless_converse_mam__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! @converse/headless/converse-mam */ "./src/headless/converse-mam.js");
/* harmony import */ var _converse_headless_converse_ping__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! @converse/headless/converse-ping */ "./src/headless/converse-ping.js");
/* harmony import */ var _converse_headless_converse_pubsub__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! @converse/headless/converse-pubsub */ "./src/headless/converse-pubsub.js");
/* harmony import */ var _converse_headless_converse_vcard__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! @converse/headless/converse-vcard */ "./src/headless/converse-vcard.js");
/* harmony import */ var converse_autocomplete__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! converse-autocomplete */ "./src/converse-autocomplete.js");
/* harmony import */ var converse_bookmarks__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(/*! converse-bookmarks */ "./src/converse-bookmarks.js");
/* harmony import */ var converse_caps__WEBPACK_IMPORTED_MODULE_6__ = __webpack_require__(/*! converse-caps */ "./src/converse-caps.js");
/* harmony import */ var converse_chatview__WEBPACK_IMPORTED_MODULE_7__ = __webpack_require__(/*! converse-chatview */ "./src/converse-chatview.js");
/* harmony import */ var converse_controlbox__WEBPACK_IMPORTED_MODULE_8__ = __webpack_require__(/*! converse-controlbox */ "./src/converse-controlbox.js");
/* harmony import */ var converse_dragresize__WEBPACK_IMPORTED_MODULE_9__ = __webpack_require__(/*! converse-dragresize */ "./src/converse-dragresize.js");
/* harmony import */ var converse_embedded__WEBPACK_IMPORTED_MODULE_10__ = __webpack_require__(/*! converse-embedded */ "./src/converse-embedded.js");
/* harmony import */ var converse_fullscreen__WEBPACK_IMPORTED_MODULE_11__ = __webpack_require__(/*! converse-fullscreen */ "./src/converse-fullscreen.js");
/* harmony import */ var converse_headline__WEBPACK_IMPORTED_MODULE_12__ = __webpack_require__(/*! converse-headline */ "./src/converse-headline.js");
/* harmony import */ var converse_minimize__WEBPACK_IMPORTED_MODULE_13__ = __webpack_require__(/*! converse-minimize */ "./src/converse-minimize.js");
/* harmony import */ var converse_muc_views__WEBPACK_IMPORTED_MODULE_14__ = __webpack_require__(/*! converse-muc-views */ "./src/converse-muc-views.js");
/* harmony import */ var converse_notification__WEBPACK_IMPORTED_MODULE_15__ = __webpack_require__(/*! converse-notification */ "./src/converse-notification.js");
/* harmony import */ var converse_omemo__WEBPACK_IMPORTED_MODULE_16__ = __webpack_require__(/*! converse-omemo */ "./src/converse-omemo.js");
/* harmony import */ var converse_push__WEBPACK_IMPORTED_MODULE_17__ = __webpack_require__(/*! converse-push */ "./src/converse-push.js");
/* harmony import */ var converse_register__WEBPACK_IMPORTED_MODULE_18__ = __webpack_require__(/*! converse-register */ "./src/converse-register.js");
/* harmony import */ var converse_roomslist__WEBPACK_IMPORTED_MODULE_19__ = __webpack_require__(/*! converse-roomslist */ "./src/converse-roomslist.js");
/* harmony import */ var converse_rosterview__WEBPACK_IMPORTED_MODULE_20__ = __webpack_require__(/*! converse-rosterview */ "./src/converse-rosterview.js");
/* harmony import */ var _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_21__ = __webpack_require__(/*! @converse/headless/converse-core */ "./src/headless/converse-core.js");
/* START: Removable components
 * --------------------
 * Any of the following components may be removed if they're not needed.
 */
 // XEP-0313 Message Archive Management

 // XEP-0199 XMPP Ping

 // XEP-0060 PubSub

 // XEP-0054 VCard-temp


 // XEP-0048 Bookmarks

 // XEP-0115 Entity Capabilities

 // Renders standalone chat boxes for single user chat

 // The control box

 // Allows chat boxes to be resized by dragging them



 // Support for headline messages

 // Allows chat boxes to be minimized

 // Views related to MUC

 // HTML5 Notifications


 // XEP-0357 Push Notifications

 // XEP-0077 In-band registration

 // Show currently open chat rooms


/* END: Removable components */


const WHITELISTED_PLUGINS = ['converse-autocomplete', 'converse-bookmarks', 'converse-caps', 'converse-chatboxviews', 'converse-chatview', 'converse-controlbox', 'converse-dragresize', 'converse-embedded', 'converse-fullscreen', 'converse-headline', 'converse-message-view', 'converse-minimize', 'converse-modal', 'converse-muc-views', 'converse-notification', 'converse-oauth', 'converse-omemo', 'converse-profile', 'converse-push', 'converse-register', 'converse-roomslist', 'converse-rosterview', 'converse-singleton'];
const initialize = _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_21__["default"].initialize;

_converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_21__["default"].initialize = function (settings, callback) {
  if (_converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_21__["default"].env._.isArray(settings.whitelisted_plugins)) {
    settings.whitelisted_plugins = settings.whitelisted_plugins.concat(WHITELISTED_PLUGINS);
  } else {
    settings.whitelisted_plugins = WHITELISTED_PLUGINS;
  }

  return initialize(settings, callback);
};

/* harmony default export */ __webpack_exports__["default"] = (_converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_21__["default"]);

/***/ }),

/***/ "./src/headless/3rdparty/lodash.fp.js":
/*!********************************************!*\
  !*** ./src/headless/3rdparty/lodash.fp.js ***!
  \********************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

/*global module, exports, _ */
(function webpackUniversalModuleDefinition(root, factory) {
  if (true) module.exports = factory();else {}
})(this, function () {
  return (
    /******/
    function (modules) {
      // webpackBootstrap

      /******/
      // The module cache

      /******/
      var installedModules = {};
      /******/
      // The require function

      /******/

      function __webpack_require__(moduleId) {
        /******/
        // Check if module is in cache

        /******/
        if (installedModules[moduleId])
          /******/
          return installedModules[moduleId].exports;
        /******/
        // Create a new module (and put it into the cache)

        /******/

        var module = installedModules[moduleId] = {
          /******/
          exports: {},

          /******/
          id: moduleId,

          /******/
          loaded: false
          /******/

        };
        /******/
        // Execute the module function

        /******/

        modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
        /******/
        // Flag the module as loaded

        /******/

        module.loaded = true;
        /******/
        // Return the exports of the module

        /******/

        return module.exports;
        /******/
      }
      /******/
      // expose the modules object (__webpack_modules__)

      /******/


      __webpack_require__.m = modules;
      /******/
      // expose the module cache

      /******/

      __webpack_require__.c = installedModules;
      /******/
      // __webpack_public_path__

      /******/

      __webpack_require__.p = "";
      /******/
      // Load entry module and return exports

      /******/

      return __webpack_require__(0);
      /******/
    }([
    /* 0 */

    /***/
    function (module, exports, __webpack_require__) {
      var baseConvert = __webpack_require__(1);
      /**
       * Converts `lodash` to an immutable auto-curried iteratee-first data-last
       * version with conversion `options` applied.
       *
       * @param {Function} lodash The lodash function to convert.
       * @param {Object} [options] The options object. See `baseConvert` for more details.
       * @returns {Function} Returns the converted `lodash`.
       */


      function browserConvert(lodash, options) {
        return baseConvert(lodash, lodash, options);
      }

      if (typeof _ == 'function' && typeof _.runInContext == 'function') {
        // XXX: Customization in order to be able to run both _ and fp in the
        // non-AMD usecase.
        window.fp = browserConvert(_.runInContext());
      }

      module.exports = browserConvert;
      /***/
    },
    /* 1 */

    /***/
    function (module, exports, __webpack_require__) {
      var mapping = __webpack_require__(2),
          fallbackHolder = __webpack_require__(3);
      /** Built-in value reference. */


      var push = Array.prototype.push;
      /**
       * Creates a function, with an arity of `n`, that invokes `func` with the
       * arguments it receives.
       *
       * @private
       * @param {Function} func The function to wrap.
       * @param {number} n The arity of the new function.
       * @returns {Function} Returns the new function.
       */

      function baseArity(func, n) {
        return n == 2 ? function (a, b) {
          return func.apply(undefined, arguments);
        } : function (a) {
          return func.apply(undefined, arguments);
        };
      }
      /**
       * Creates a function that invokes `func`, with up to `n` arguments, ignoring
       * any additional arguments.
       *
       * @private
       * @param {Function} func The function to cap arguments for.
       * @param {number} n The arity cap.
       * @returns {Function} Returns the new function.
       */


      function baseAry(func, n) {
        return n == 2 ? function (a, b) {
          return func(a, b);
        } : function (a) {
          return func(a);
        };
      }
      /**
       * Creates a clone of `array`.
       *
       * @private
       * @param {Array} array The array to clone.
       * @returns {Array} Returns the cloned array.
       */


      function cloneArray(array) {
        var length = array ? array.length : 0,
            result = Array(length);

        while (length--) {
          result[length] = array[length];
        }

        return result;
      }
      /**
       * Creates a function that clones a given object using the assignment `func`.
       *
       * @private
       * @param {Function} func The assignment function.
       * @returns {Function} Returns the new cloner function.
       */


      function createCloner(func) {
        return function (object) {
          return func({}, object);
        };
      }
      /**
       * A specialized version of `_.spread` which flattens the spread array into
       * the arguments of the invoked `func`.
       *
       * @private
       * @param {Function} func The function to spread arguments over.
       * @param {number} start The start position of the spread.
       * @returns {Function} Returns the new function.
       */


      function flatSpread(func, start) {
        return function () {
          var length = arguments.length,
              lastIndex = length - 1,
              args = Array(length);

          while (length--) {
            args[length] = arguments[length];
          }

          var array = args[start],
              otherArgs = args.slice(0, start);

          if (array) {
            push.apply(otherArgs, array);
          }

          if (start != lastIndex) {
            push.apply(otherArgs, args.slice(start + 1));
          }

          return func.apply(this, otherArgs);
        };
      }
      /**
       * Creates a function that wraps `func` and uses `cloner` to clone the first
       * argument it receives.
       *
       * @private
       * @param {Function} func The function to wrap.
       * @param {Function} cloner The function to clone arguments.
       * @returns {Function} Returns the new immutable function.
       */


      function wrapImmutable(func, cloner) {
        return function () {
          var length = arguments.length;

          if (!length) {
            return;
          }

          var args = Array(length);

          while (length--) {
            args[length] = arguments[length];
          }

          var result = args[0] = cloner.apply(undefined, args);
          func.apply(undefined, args);
          return result;
        };
      }
      /**
       * The base implementation of `convert` which accepts a `util` object of methods
       * required to perform conversions.
       *
       * @param {Object} util The util object.
       * @param {string} name The name of the function to convert.
       * @param {Function} func The function to convert.
       * @param {Object} [options] The options object.
       * @param {boolean} [options.cap=true] Specify capping iteratee arguments.
       * @param {boolean} [options.curry=true] Specify currying.
       * @param {boolean} [options.fixed=true] Specify fixed arity.
       * @param {boolean} [options.immutable=true] Specify immutable operations.
       * @param {boolean} [options.rearg=true] Specify rearranging arguments.
       * @returns {Function|Object} Returns the converted function or object.
       */


      function baseConvert(util, name, func, options) {
        var setPlaceholder,
            isLib = typeof name == 'function',
            isObj = name === Object(name);

        if (isObj) {
          options = func;
          func = name;
          name = undefined;
        }

        if (func === null) {
          throw new TypeError();
        }

        options || (options = {});
        var config = {
          'cap': 'cap' in options ? options.cap : true,
          'curry': 'curry' in options ? options.curry : true,
          'fixed': 'fixed' in options ? options.fixed : true,
          'immutable': 'immutable' in options ? options.immutable : true,
          'rearg': 'rearg' in options ? options.rearg : true
        };
        var forceCurry = 'curry' in options && options.curry,
            forceFixed = 'fixed' in options && options.fixed,
            forceRearg = 'rearg' in options && options.rearg,
            placeholder = isLib ? func : fallbackHolder,
            pristine = isLib ? func.runInContext() : undefined;
        var helpers = isLib ? func : {
          'ary': util.ary,
          'assign': util.assign,
          'clone': util.clone,
          'curry': util.curry,
          'forEach': util.forEach,
          'isArray': util.isArray,
          'isFunction': util.isFunction,
          'iteratee': util.iteratee,
          'keys': util.keys,
          'rearg': util.rearg,
          'toInteger': util.toInteger,
          'toPath': util.toPath
        };
        var ary = helpers.ary,
            assign = helpers.assign,
            clone = helpers.clone,
            curry = helpers.curry,
            each = helpers.forEach,
            isArray = helpers.isArray,
            isFunction = helpers.isFunction,
            keys = helpers.keys,
            rearg = helpers.rearg,
            toInteger = helpers.toInteger,
            toPath = helpers.toPath;
        var aryMethodKeys = keys(mapping.aryMethod);
        var wrappers = {
          'castArray': function castArray(_castArray) {
            return function () {
              var value = arguments[0];
              return isArray(value) ? _castArray(cloneArray(value)) : _castArray.apply(undefined, arguments);
            };
          },
          'iteratee': function iteratee(_iteratee) {
            return function () {
              var func = arguments[0],
                  arity = arguments[1],
                  result = _iteratee(func, arity),
                  length = result.length;

              if (config.cap && typeof arity == 'number') {
                arity = arity > 2 ? arity - 2 : 1;
                return length && length <= arity ? result : baseAry(result, arity);
              }

              return result;
            };
          },
          'mixin': function mixin(_mixin) {
            return function (source) {
              var func = this;

              if (!isFunction(func)) {
                return _mixin(func, Object(source));
              }

              var pairs = [];
              each(keys(source), function (key) {
                if (isFunction(source[key])) {
                  pairs.push([key, func.prototype[key]]);
                }
              });

              _mixin(func, Object(source));

              each(pairs, function (pair) {
                var value = pair[1];

                if (isFunction(value)) {
                  func.prototype[pair[0]] = value;
                } else {
                  delete func.prototype[pair[0]];
                }
              });
              return func;
            };
          },
          'nthArg': function nthArg(_nthArg) {
            return function (n) {
              var arity = n < 0 ? 1 : toInteger(n) + 1;
              return curry(_nthArg(n), arity);
            };
          },
          'rearg': function rearg(_rearg) {
            return function (func, indexes) {
              var arity = indexes ? indexes.length : 0;
              return curry(_rearg(func, indexes), arity);
            };
          },
          'runInContext': function runInContext(_runInContext) {
            return function (context) {
              return baseConvert(util, _runInContext(context), options);
            };
          }
        };
        /*--------------------------------------------------------------------------*/

        /**
         * Casts `func` to a function with an arity capped iteratee if needed.
         *
         * @private
         * @param {string} name The name of the function to inspect.
         * @param {Function} func The function to inspect.
         * @returns {Function} Returns the cast function.
         */

        function castCap(name, func) {
          if (config.cap) {
            var indexes = mapping.iterateeRearg[name];

            if (indexes) {
              return iterateeRearg(func, indexes);
            }

            var n = !isLib && mapping.iterateeAry[name];

            if (n) {
              return iterateeAry(func, n);
            }
          }

          return func;
        }
        /**
         * Casts `func` to a curried function if needed.
         *
         * @private
         * @param {string} name The name of the function to inspect.
         * @param {Function} func The function to inspect.
         * @param {number} n The arity of `func`.
         * @returns {Function} Returns the cast function.
         */


        function castCurry(name, func, n) {
          return forceCurry || config.curry && n > 1 ? curry(func, n) : func;
        }
        /**
         * Casts `func` to a fixed arity function if needed.
         *
         * @private
         * @param {string} name The name of the function to inspect.
         * @param {Function} func The function to inspect.
         * @param {number} n The arity cap.
         * @returns {Function} Returns the cast function.
         */


        function castFixed(name, func, n) {
          if (config.fixed && (forceFixed || !mapping.skipFixed[name])) {
            var data = mapping.methodSpread[name],
                start = data && data.start;
            return start === undefined ? ary(func, n) : flatSpread(func, start);
          }

          return func;
        }
        /**
         * Casts `func` to an rearged function if needed.
         *
         * @private
         * @param {string} name The name of the function to inspect.
         * @param {Function} func The function to inspect.
         * @param {number} n The arity of `func`.
         * @returns {Function} Returns the cast function.
         */


        function castRearg(name, func, n) {
          return config.rearg && n > 1 && (forceRearg || !mapping.skipRearg[name]) ? rearg(func, mapping.methodRearg[name] || mapping.aryRearg[n]) : func;
        }
        /**
         * Creates a clone of `object` by `path`.
         *
         * @private
         * @param {Object} object The object to clone.
         * @param {Array|string} path The path to clone by.
         * @returns {Object} Returns the cloned object.
         */


        function cloneByPath(object, path) {
          path = toPath(path);
          var index = -1,
              length = path.length,
              lastIndex = length - 1,
              result = clone(Object(object)),
              nested = result;

          while (nested !== null && ++index < length) {
            var key = path[index],
                value = nested[key];

            if (value !== null) {
              nested[path[index]] = clone(index == lastIndex ? value : Object(value));
            }

            nested = nested[key];
          }

          return result;
        }
        /**
         * Converts `lodash` to an immutable auto-curried iteratee-first data-last
         * version with conversion `options` applied.
         *
         * @param {Object} [options] The options object. See `baseConvert` for more details.
         * @returns {Function} Returns the converted `lodash`.
         */


        function convertLib(options) {
          return _.runInContext.convert(options)(undefined);
        }
        /**
         * Create a converter function for `func` of `name`.
         *
         * @param {string} name The name of the function to convert.
         * @param {Function} func The function to convert.
         * @returns {Function} Returns the new converter function.
         */


        function createConverter(name, func) {
          var realName = mapping.aliasToReal[name] || name,
              methodName = mapping.remap[realName] || realName,
              oldOptions = options;
          return function (options) {
            var newUtil = isLib ? pristine : helpers,
                newFunc = isLib ? pristine[methodName] : func,
                newOptions = assign(assign({}, oldOptions), options);
            return baseConvert(newUtil, realName, newFunc, newOptions);
          };
        }
        /**
         * Creates a function that wraps `func` to invoke its iteratee, with up to `n`
         * arguments, ignoring any additional arguments.
         *
         * @private
         * @param {Function} func The function to cap iteratee arguments for.
         * @param {number} n The arity cap.
         * @returns {Function} Returns the new function.
         */


        function iterateeAry(func, n) {
          return overArg(func, function (func) {
            return typeof func == 'function' ? baseAry(func, n) : func;
          });
        }
        /**
         * Creates a function that wraps `func` to invoke its iteratee with arguments
         * arranged according to the specified `indexes` where the argument value at
         * the first index is provided as the first argument, the argument value at
         * the second index is provided as the second argument, and so on.
         *
         * @private
         * @param {Function} func The function to rearrange iteratee arguments for.
         * @param {number[]} indexes The arranged argument indexes.
         * @returns {Function} Returns the new function.
         */


        function iterateeRearg(func, indexes) {
          return overArg(func, function (func) {
            var n = indexes.length;
            return baseArity(rearg(baseAry(func, n), indexes), n);
          });
        }
        /**
         * Creates a function that invokes `func` with its first argument transformed.
         *
         * @private
         * @param {Function} func The function to wrap.
         * @param {Function} transform The argument transform.
         * @returns {Function} Returns the new function.
         */


        function overArg(func, transform) {
          return function () {
            var length = arguments.length;

            if (!length) {
              return func();
            }

            var args = Array(length);

            while (length--) {
              args[length] = arguments[length];
            }

            var index = config.rearg ? 0 : length - 1;
            args[index] = transform(args[index]);
            return func.apply(undefined, args);
          };
        }
        /**
         * Creates a function that wraps `func` and applys the conversions
         * rules by `name`.
         *
         * @private
         * @param {string} name The name of the function to wrap.
         * @param {Function} func The function to wrap.
         * @returns {Function} Returns the converted function.
         */


        function wrap(name, func) {
          var result,
              realName = mapping.aliasToReal[name] || name,
              wrapped = func,
              wrapper = wrappers[realName];

          if (wrapper) {
            wrapped = wrapper(func);
          } else if (config.immutable) {
            if (mapping.mutate.array[realName]) {
              wrapped = wrapImmutable(func, cloneArray);
            } else if (mapping.mutate.object[realName]) {
              wrapped = wrapImmutable(func, createCloner(func));
            } else if (mapping.mutate.set[realName]) {
              wrapped = wrapImmutable(func, cloneByPath);
            }
          }

          each(aryMethodKeys, function (aryKey) {
            each(mapping.aryMethod[aryKey], function (otherName) {
              if (realName == otherName) {
                var data = mapping.methodSpread[realName],
                    afterRearg = data && data.afterRearg;
                result = afterRearg ? castFixed(realName, castRearg(realName, wrapped, aryKey), aryKey) : castRearg(realName, castFixed(realName, wrapped, aryKey), aryKey);
                result = castCap(realName, result);
                result = castCurry(realName, result, aryKey);
                return false;
              }
            });
            return !result;
          });
          result || (result = wrapped);

          if (result == func) {
            result = forceCurry ? curry(result, 1) : function () {
              return func.apply(this, arguments);
            };
          }

          result.convert = createConverter(realName, func);

          if (mapping.placeholder[realName]) {
            setPlaceholder = true;
            result.placeholder = func.placeholder = placeholder;
          }

          return result;
        }
        /*--------------------------------------------------------------------------*/


        if (!isObj) {
          return wrap(name, func);
        }

        var _ = func; // Convert methods by ary cap.

        var pairs = [];
        each(aryMethodKeys, function (aryKey) {
          each(mapping.aryMethod[aryKey], function (key) {
            var func = _[mapping.remap[key] || key];

            if (func) {
              pairs.push([key, wrap(key, func)]);
            }
          });
        }); // Convert remaining methods.

        each(keys(_), function (key) {
          var func = _[key];

          if (typeof func == 'function') {
            var length = pairs.length;

            while (length--) {
              if (pairs[length][0] == key) {
                return;
              }
            }

            func.convert = createConverter(key, func);
            pairs.push([key, func]);
          }
        }); // Assign to `_` leaving `_.prototype` unchanged to allow chaining.

        each(pairs, function (pair) {
          _[pair[0]] = pair[1];
        });
        _.convert = convertLib;

        if (setPlaceholder) {
          _.placeholder = placeholder;
        } // Assign aliases.


        each(keys(_), function (key) {
          each(mapping.realToAlias[key] || [], function (alias) {
            _[alias] = _[key];
          });
        });
        return _;
      }

      module.exports = baseConvert;
      /***/
    },
    /* 2 */

    /***/
    function (module, exports) {
      /** Used to map aliases to their real names. */
      exports.aliasToReal = {
        // Lodash aliases.
        'each': 'forEach',
        'eachRight': 'forEachRight',
        'entries': 'toPairs',
        'entriesIn': 'toPairsIn',
        'extend': 'assignIn',
        'extendAll': 'assignInAll',
        'extendAllWith': 'assignInAllWith',
        'extendWith': 'assignInWith',
        'first': 'head',
        // Methods that are curried variants of others.
        'conforms': 'conformsTo',
        'matches': 'isMatch',
        'property': 'get',
        // Ramda aliases.
        '__': 'placeholder',
        'F': 'stubFalse',
        'T': 'stubTrue',
        'all': 'every',
        'allPass': 'overEvery',
        'always': 'constant',
        'any': 'some',
        'anyPass': 'overSome',
        'apply': 'spread',
        'assoc': 'set',
        'assocPath': 'set',
        'complement': 'negate',
        'compose': 'flowRight',
        'contains': 'includes',
        'dissoc': 'unset',
        'dissocPath': 'unset',
        'dropLast': 'dropRight',
        'dropLastWhile': 'dropRightWhile',
        'equals': 'isEqual',
        'identical': 'eq',
        'indexBy': 'keyBy',
        'init': 'initial',
        'invertObj': 'invert',
        'juxt': 'over',
        'omitAll': 'omit',
        'nAry': 'ary',
        'path': 'get',
        'pathEq': 'matchesProperty',
        'pathOr': 'getOr',
        'paths': 'at',
        'pickAll': 'pick',
        'pipe': 'flow',
        'pluck': 'map',
        'prop': 'get',
        'propEq': 'matchesProperty',
        'propOr': 'getOr',
        'props': 'at',
        'symmetricDifference': 'xor',
        'symmetricDifferenceBy': 'xorBy',
        'symmetricDifferenceWith': 'xorWith',
        'takeLast': 'takeRight',
        'takeLastWhile': 'takeRightWhile',
        'unapply': 'rest',
        'unnest': 'flatten',
        'useWith': 'overArgs',
        'where': 'conformsTo',
        'whereEq': 'isMatch',
        'zipObj': 'zipObject'
      };
      /** Used to map ary to method names. */

      exports.aryMethod = {
        '1': ['assignAll', 'assignInAll', 'attempt', 'castArray', 'ceil', 'create', 'curry', 'curryRight', 'defaultsAll', 'defaultsDeepAll', 'floor', 'flow', 'flowRight', 'fromPairs', 'invert', 'iteratee', 'memoize', 'method', 'mergeAll', 'methodOf', 'mixin', 'nthArg', 'over', 'overEvery', 'overSome', 'rest', 'reverse', 'round', 'runInContext', 'spread', 'template', 'trim', 'trimEnd', 'trimStart', 'uniqueId', 'words', 'zipAll'],
        '2': ['add', 'after', 'ary', 'assign', 'assignAllWith', 'assignIn', 'assignInAllWith', 'at', 'before', 'bind', 'bindAll', 'bindKey', 'chunk', 'cloneDeepWith', 'cloneWith', 'concat', 'conformsTo', 'countBy', 'curryN', 'curryRightN', 'debounce', 'defaults', 'defaultsDeep', 'defaultTo', 'delay', 'difference', 'divide', 'drop', 'dropRight', 'dropRightWhile', 'dropWhile', 'endsWith', 'eq', 'every', 'filter', 'find', 'findIndex', 'findKey', 'findLast', 'findLastIndex', 'findLastKey', 'flatMap', 'flatMapDeep', 'flattenDepth', 'forEach', 'forEachRight', 'forIn', 'forInRight', 'forOwn', 'forOwnRight', 'get', 'groupBy', 'gt', 'gte', 'has', 'hasIn', 'includes', 'indexOf', 'intersection', 'invertBy', 'invoke', 'invokeMap', 'isEqual', 'isMatch', 'join', 'keyBy', 'lastIndexOf', 'lt', 'lte', 'map', 'mapKeys', 'mapValues', 'matchesProperty', 'maxBy', 'meanBy', 'merge', 'mergeAllWith', 'minBy', 'multiply', 'nth', 'omit', 'omitBy', 'overArgs', 'pad', 'padEnd', 'padStart', 'parseInt', 'partial', 'partialRight', 'partition', 'pick', 'pickBy', 'propertyOf', 'pull', 'pullAll', 'pullAt', 'random', 'range', 'rangeRight', 'rearg', 'reject', 'remove', 'repeat', 'restFrom', 'result', 'sampleSize', 'some', 'sortBy', 'sortedIndex', 'sortedIndexOf', 'sortedLastIndex', 'sortedLastIndexOf', 'sortedUniqBy', 'split', 'spreadFrom', 'startsWith', 'subtract', 'sumBy', 'take', 'takeRight', 'takeRightWhile', 'takeWhile', 'tap', 'throttle', 'thru', 'times', 'trimChars', 'trimCharsEnd', 'trimCharsStart', 'truncate', 'union', 'uniqBy', 'uniqWith', 'unset', 'unzipWith', 'without', 'wrap', 'xor', 'zip', 'zipObject', 'zipObjectDeep'],
        '3': ['assignInWith', 'assignWith', 'clamp', 'differenceBy', 'differenceWith', 'findFrom', 'findIndexFrom', 'findLastFrom', 'findLastIndexFrom', 'getOr', 'includesFrom', 'indexOfFrom', 'inRange', 'intersectionBy', 'intersectionWith', 'invokeArgs', 'invokeArgsMap', 'isEqualWith', 'isMatchWith', 'flatMapDepth', 'lastIndexOfFrom', 'mergeWith', 'orderBy', 'padChars', 'padCharsEnd', 'padCharsStart', 'pullAllBy', 'pullAllWith', 'rangeStep', 'rangeStepRight', 'reduce', 'reduceRight', 'replace', 'set', 'slice', 'sortedIndexBy', 'sortedLastIndexBy', 'transform', 'unionBy', 'unionWith', 'update', 'xorBy', 'xorWith', 'zipWith'],
        '4': ['fill', 'setWith', 'updateWith']
      };
      /** Used to map ary to rearg configs. */

      exports.aryRearg = {
        '2': [1, 0],
        '3': [2, 0, 1],
        '4': [3, 2, 0, 1]
      };
      /** Used to map method names to their iteratee ary. */

      exports.iterateeAry = {
        'dropRightWhile': 1,
        'dropWhile': 1,
        'every': 1,
        'filter': 1,
        'find': 1,
        'findFrom': 1,
        'findIndex': 1,
        'findIndexFrom': 1,
        'findKey': 1,
        'findLast': 1,
        'findLastFrom': 1,
        'findLastIndex': 1,
        'findLastIndexFrom': 1,
        'findLastKey': 1,
        'flatMap': 1,
        'flatMapDeep': 1,
        'flatMapDepth': 1,
        'forEach': 1,
        'forEachRight': 1,
        'forIn': 1,
        'forInRight': 1,
        'forOwn': 1,
        'forOwnRight': 1,
        'map': 1,
        'mapKeys': 1,
        'mapValues': 1,
        'partition': 1,
        'reduce': 2,
        'reduceRight': 2,
        'reject': 1,
        'remove': 1,
        'some': 1,
        'takeRightWhile': 1,
        'takeWhile': 1,
        'times': 1,
        'transform': 2
      };
      /** Used to map method names to iteratee rearg configs. */

      exports.iterateeRearg = {
        'mapKeys': [1],
        'reduceRight': [1, 0]
      };
      /** Used to map method names to rearg configs. */

      exports.methodRearg = {
        'assignInAllWith': [1, 0],
        'assignInWith': [1, 2, 0],
        'assignAllWith': [1, 0],
        'assignWith': [1, 2, 0],
        'differenceBy': [1, 2, 0],
        'differenceWith': [1, 2, 0],
        'getOr': [2, 1, 0],
        'intersectionBy': [1, 2, 0],
        'intersectionWith': [1, 2, 0],
        'isEqualWith': [1, 2, 0],
        'isMatchWith': [2, 1, 0],
        'mergeAllWith': [1, 0],
        'mergeWith': [1, 2, 0],
        'padChars': [2, 1, 0],
        'padCharsEnd': [2, 1, 0],
        'padCharsStart': [2, 1, 0],
        'pullAllBy': [2, 1, 0],
        'pullAllWith': [2, 1, 0],
        'rangeStep': [1, 2, 0],
        'rangeStepRight': [1, 2, 0],
        'setWith': [3, 1, 2, 0],
        'sortedIndexBy': [2, 1, 0],
        'sortedLastIndexBy': [2, 1, 0],
        'unionBy': [1, 2, 0],
        'unionWith': [1, 2, 0],
        'updateWith': [3, 1, 2, 0],
        'xorBy': [1, 2, 0],
        'xorWith': [1, 2, 0],
        'zipWith': [1, 2, 0]
      };
      /** Used to map method names to spread configs. */

      exports.methodSpread = {
        'assignAll': {
          'start': 0
        },
        'assignAllWith': {
          'start': 0
        },
        'assignInAll': {
          'start': 0
        },
        'assignInAllWith': {
          'start': 0
        },
        'defaultsAll': {
          'start': 0
        },
        'defaultsDeepAll': {
          'start': 0
        },
        'invokeArgs': {
          'start': 2
        },
        'invokeArgsMap': {
          'start': 2
        },
        'mergeAll': {
          'start': 0
        },
        'mergeAllWith': {
          'start': 0
        },
        'partial': {
          'start': 1
        },
        'partialRight': {
          'start': 1
        },
        'without': {
          'start': 1
        },
        'zipAll': {
          'start': 0
        }
      };
      /** Used to identify methods which mutate arrays or objects. */

      exports.mutate = {
        'array': {
          'fill': true,
          'pull': true,
          'pullAll': true,
          'pullAllBy': true,
          'pullAllWith': true,
          'pullAt': true,
          'remove': true,
          'reverse': true
        },
        'object': {
          'assign': true,
          'assignAll': true,
          'assignAllWith': true,
          'assignIn': true,
          'assignInAll': true,
          'assignInAllWith': true,
          'assignInWith': true,
          'assignWith': true,
          'defaults': true,
          'defaultsAll': true,
          'defaultsDeep': true,
          'defaultsDeepAll': true,
          'merge': true,
          'mergeAll': true,
          'mergeAllWith': true,
          'mergeWith': true
        },
        'set': {
          'set': true,
          'setWith': true,
          'unset': true,
          'update': true,
          'updateWith': true
        }
      };
      /** Used to track methods with placeholder support */

      exports.placeholder = {
        'bind': true,
        'bindKey': true,
        'curry': true,
        'curryRight': true,
        'partial': true,
        'partialRight': true
      };
      /** Used to map real names to their aliases. */

      exports.realToAlias = function () {
        var hasOwnProperty = Object.prototype.hasOwnProperty,
            object = exports.aliasToReal,
            result = {};

        for (var key in object) {
          if (Object.prototype.hasOwnProperty.call(object, key)) {
            var value = object[key];

            if (hasOwnProperty.call(result, value)) {
              result[value].push(key);
            } else {
              result[value] = [key];
            }
          }
        }

        return result;
      }();
      /** Used to map method names to other names. */


      exports.remap = {
        'assignAll': 'assign',
        'assignAllWith': 'assignWith',
        'assignInAll': 'assignIn',
        'assignInAllWith': 'assignInWith',
        'curryN': 'curry',
        'curryRightN': 'curryRight',
        'defaultsAll': 'defaults',
        'defaultsDeepAll': 'defaultsDeep',
        'findFrom': 'find',
        'findIndexFrom': 'findIndex',
        'findLastFrom': 'findLast',
        'findLastIndexFrom': 'findLastIndex',
        'getOr': 'get',
        'includesFrom': 'includes',
        'indexOfFrom': 'indexOf',
        'invokeArgs': 'invoke',
        'invokeArgsMap': 'invokeMap',
        'lastIndexOfFrom': 'lastIndexOf',
        'mergeAll': 'merge',
        'mergeAllWith': 'mergeWith',
        'padChars': 'pad',
        'padCharsEnd': 'padEnd',
        'padCharsStart': 'padStart',
        'propertyOf': 'get',
        'rangeStep': 'range',
        'rangeStepRight': 'rangeRight',
        'restFrom': 'rest',
        'spreadFrom': 'spread',
        'trimChars': 'trim',
        'trimCharsEnd': 'trimEnd',
        'trimCharsStart': 'trimStart',
        'zipAll': 'zip'
      };
      /** Used to track methods that skip fixing their arity. */

      exports.skipFixed = {
        'castArray': true,
        'flow': true,
        'flowRight': true,
        'iteratee': true,
        'mixin': true,
        'rearg': true,
        'runInContext': true
      };
      /** Used to track methods that skip rearranging arguments. */

      exports.skipRearg = {
        'add': true,
        'assign': true,
        'assignIn': true,
        'bind': true,
        'bindKey': true,
        'concat': true,
        'difference': true,
        'divide': true,
        'eq': true,
        'gt': true,
        'gte': true,
        'isEqual': true,
        'lt': true,
        'lte': true,
        'matchesProperty': true,
        'merge': true,
        'multiply': true,
        'overArgs': true,
        'partial': true,
        'partialRight': true,
        'propertyOf': true,
        'random': true,
        'range': true,
        'rangeRight': true,
        'subtract': true,
        'zip': true,
        'zipObject': true,
        'zipObjectDeep': true
      };
      /***/
    },
    /* 3 */

    /***/
    function (module, exports) {
      /**
       * The default argument placeholder value for methods.
       *
       * @type {Object}
       */
      module.exports = {};
      /***/
    }
    /******/
    ])
  );
});

/***/ }),

/***/ "./src/headless/converse-chatboxes.js":
/*!********************************************!*\
  !*** ./src/headless/converse-chatboxes.js ***!
  \********************************************/
/*! no exports provided */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var _utils_emoji__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./utils/emoji */ "./src/headless/utils/emoji.js");
/* harmony import */ var _utils_form__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./utils/form */ "./src/headless/utils/form.js");
/* harmony import */ var _converse_core__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./converse-core */ "./src/headless/converse-core.js");
/* harmony import */ var filesize__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! filesize */ "./node_modules/filesize/lib/filesize.js");
/* harmony import */ var filesize__WEBPACK_IMPORTED_MODULE_3___default = /*#__PURE__*/__webpack_require__.n(filesize__WEBPACK_IMPORTED_MODULE_3__);
// Converse.js
// http://conversejs.org
//
// Copyright (c) 2012-2018, the Converse.js developers
// Licensed under the Mozilla Public License (MPLv2)




const _converse$env = _converse_core__WEBPACK_IMPORTED_MODULE_2__["default"].env,
      $msg = _converse$env.$msg,
      Backbone = _converse$env.Backbone,
      Promise = _converse$env.Promise,
      Strophe = _converse$env.Strophe,
      b64_sha1 = _converse$env.b64_sha1,
      moment = _converse$env.moment,
      sizzle = _converse$env.sizzle,
      utils = _converse$env.utils,
      _ = _converse$env._;
const u = _converse_core__WEBPACK_IMPORTED_MODULE_2__["default"].env.utils;
Strophe.addNamespace('MESSAGE_CORRECT', 'urn:xmpp:message-correct:0');
Strophe.addNamespace('RECEIPTS', 'urn:xmpp:receipts');
Strophe.addNamespace('REFERENCE', 'urn:xmpp:reference:0');
_converse_core__WEBPACK_IMPORTED_MODULE_2__["default"].plugins.add('converse-chatboxes', {
  dependencies: ["converse-roster", "converse-vcard"],

  initialize() {
    /* The initialize function gets called as soon as the plugin is
     * loaded by converse.js's plugin machinery.
     */
    const _converse = this._converse,
          __ = _converse.__; // Configuration values for this plugin
    // ====================================
    // Refer to docs/source/configuration.rst for explanations of these
    // configuration settings.

    _converse.api.settings.update({
      'auto_join_private_chats': [],
      'filter_by_resource': false,
      'forward_messages': false,
      'send_chat_state_notifications': true
    });

    _converse.api.promises.add(['chatBoxesFetched', 'chatBoxesInitialized', 'privateChatsAutoJoined']);

    function openChat(jid) {
      if (!utils.isValidJID(jid)) {
        return _converse.log(`Invalid JID "${jid}" provided in URL fragment`, Strophe.LogLevel.WARN);
      }

      _converse.api.chats.open(jid);
    }

    _converse.router.route('converse/chat?jid=:jid', openChat);

    _converse.Message = Backbone.Model.extend({
      defaults() {
        return {
          'msgid': _converse.connection.getUniqueId(),
          'time': moment().format()
        };
      },

      initialize() {
        this.setVCard();

        if (this.get('file')) {
          this.on('change:put', this.uploadFile, this);
        }

        if (this.isOnlyChatStateNotification()) {
          window.setTimeout(this.destroy.bind(this), 20000);
        }
      },

      getVCardForChatroomOccupant() {
        const chatbox = this.collection.chatbox,
              nick = Strophe.getResourceFromJid(this.get('from'));

        if (chatbox.get('nick') === nick) {
          return _converse.xmppstatus.vcard;
        } else {
          let vcard;

          if (this.get('vcard_jid')) {
            vcard = _converse.vcards.findWhere({
              'jid': this.get('vcard_jid')
            });
          }

          if (!vcard) {
            let jid;
            const occupant = chatbox.occupants.findWhere({
              'nick': nick
            });

            if (occupant && occupant.get('jid')) {
              jid = occupant.get('jid');
              this.save({
                'vcard_jid': jid
              }, {
                'silent': true
              });
            } else {
              jid = this.get('from');
            }

            vcard = _converse.vcards.findWhere({
              'jid': jid
            }) || _converse.vcards.create({
              'jid': jid
            });
          }

          return vcard;
        }
      },

      setVCard() {
        if (this.get('type') === 'error') {
          return;
        } else if (this.get('type') === 'groupchat') {
          this.vcard = this.getVCardForChatroomOccupant();
        } else {
          const jid = this.get('from');
          this.vcard = _converse.vcards.findWhere({
            'jid': jid
          }) || _converse.vcards.create({
            'jid': jid
          });
        }
      },

      isOnlyChatStateNotification() {
        return u.isOnlyChatStateNotification(this);
      },

      getDisplayName() {
        if (this.get('type') === 'groupchat') {
          return this.get('nick');
        } else {
          return this.vcard.get('fullname') || this.get('from');
        }
      },

      sendSlotRequestStanza() {
        /* Send out an IQ stanza to request a file upload slot.
         *
         * https://xmpp.org/extensions/xep-0363.html#request
         */
        if (_.isNil(this.file)) {
          return Promise.reject(new Error("file is undefined"));
        }

        const iq = _converse_core__WEBPACK_IMPORTED_MODULE_2__["default"].env.$iq({
          'from': _converse.jid,
          'to': this.get('slot_request_url'),
          'type': 'get'
        }).c('request', {
          'xmlns': Strophe.NS.HTTPUPLOAD,
          'filename': this.file.name,
          'size': this.file.size,
          'content-type': this.file.type
        });
        return _converse.api.sendIQ(iq);
      },

      async getRequestSlotURL() {
        let stanza;

        try {
          stanza = await this.sendSlotRequestStanza();
        } catch (e) {
          _converse.log(e, Strophe.LogLevel.ERROR);

          return this.save({
            'type': 'error',
            'message': __("Sorry, could not determine upload URL.")
          });
        }

        const slot = stanza.querySelector('slot');

        if (slot) {
          this.save({
            'get': slot.querySelector('get').getAttribute('url'),
            'put': slot.querySelector('put').getAttribute('url')
          });
        } else {
          return this.save({
            'type': 'error',
            'message': __("Sorry, could not determine file upload URL.")
          });
        }
      },

      uploadFile() {
        const xhr = new XMLHttpRequest();

        xhr.onreadystatechange = () => {
          if (xhr.readyState === XMLHttpRequest.DONE) {
            _converse.log("Status: " + xhr.status, Strophe.LogLevel.INFO);

            if (xhr.status === 200 || xhr.status === 201) {
              this.save({
                'upload': _converse.SUCCESS,
                'oob_url': this.get('get'),
                'message': this.get('get')
              });
            } else {
              xhr.onerror();
            }
          }
        };

        xhr.upload.addEventListener("progress", evt => {
          if (evt.lengthComputable) {
            this.set('progress', evt.loaded / evt.total);
          }
        }, false);

        xhr.onerror = () => {
          let message;

          if (xhr.responseText) {
            message = __('Sorry, could not succesfully upload your file. Your server’s response: "%1$s"', xhr.responseText);
          } else {
            message = __('Sorry, could not succesfully upload your file.');
          }

          this.save({
            'type': 'error',
            'upload': _converse.FAILURE,
            'message': message
          });
        };

        xhr.open('PUT', this.get('put'), true);
        xhr.setRequestHeader("Content-type", this.file.type);
        xhr.send(this.file);
      }

    });
    _converse.Messages = Backbone.Collection.extend({
      model: _converse.Message,
      comparator: 'time'
    });
    _converse.ChatBox = Backbone.Model.extend({
      defaults() {
        return {
          'bookmarked': false,
          'chat_state': undefined,
          'num_unread': 0,
          'type': _converse.PRIVATE_CHAT_TYPE,
          'message_type': 'chat',
          'url': '',
          'hidden': _.includes(['mobile', 'fullscreen'], _converse.view_mode)
        };
      },

      initialize() {
        const jid = this.get('jid');

        if (!jid) {
          // XXX: The `validate` method will prevent this model
          // from being persisted if there's no jid, but that gets
          // called after model instantiation, so we have to deal
          // with invalid models here also.
          //
          // This happens when the controlbox is in browser storage,
          // but we're in embedded mode.
          return;
        }

        this.vcard = _converse.vcards.findWhere({
          'jid': jid
        }) || _converse.vcards.create({
          'jid': jid
        }); // XXX: this creates a dependency on converse-roster, which we
        // probably shouldn't have here, so we should probably move
        // ChatBox out of converse-chatboxes

        this.presence = _converse.presences.findWhere({
          'jid': jid
        }) || _converse.presences.create({
          'jid': jid
        });
        this.messages = new _converse.Messages();

        const storage = _converse.config.get('storage');

        this.messages.browserStorage = new Backbone.BrowserStorage[storage](b64_sha1(`converse.messages${jid}${_converse.bare_jid}`));
        this.messages.chatbox = this;
        this.messages.on('change:upload', message => {
          if (message.get('upload') === _converse.SUCCESS) {
            this.sendMessageStanza(this.createMessageStanza(message));
          }
        });
        this.on('change:chat_state', this.sendChatState, this); // Models get saved immediately after creation, so no need to
        // call `save` here.

        this.set({
          // The chat_state will be set to ACTIVE once the chat box is opened
          // and we listen for change:chat_state, so shouldn't set it to ACTIVE here.
          'box_id': b64_sha1(this.get('jid')),
          'time_opened': this.get('time_opened') || moment().valueOf(),
          'user_id': Strophe.getNodeFromJid(this.get('jid'))
        });
      },

      validate(attrs, options) {
        const _converse = this.__super__._converse;

        if (!attrs.jid) {
          return 'Ignored ChatBox without JID';
        }
      },

      getDisplayName() {
        return this.vcard.get('fullname') || this.get('jid');
      },

      handleMessageCorrection(stanza) {
        const replace = sizzle(`replace[xmlns="${Strophe.NS.MESSAGE_CORRECT}"]`, stanza).pop();

        if (replace) {
          const msgid = replace && replace.getAttribute('id') || stanza.getAttribute('id'),
                message = msgid && this.messages.findWhere({
            msgid
          });

          if (!message) {
            // XXX: Looks like we received a correction for a
            // non-existing message, probably due to MAM.
            // Not clear what can be done about this... we'll
            // just create it as a separate message for now.
            return false;
          }

          const older_versions = message.get('older_versions') || [];
          older_versions.push(message.get('message'));
          message.save({
            'message': _converse.chatboxes.getMessageBody(stanza),
            'references': this.getReferencesFromStanza(stanza),
            'older_versions': older_versions,
            'edited': moment().format()
          });
          return true;
        }

        return false;
      },

      handleReceipt(stanza) {
        const to_bare_jid = Strophe.getBareJidFromJid(stanza.getAttribute('to'));

        if (to_bare_jid === _converse.bare_jid) {
          const receipt = sizzle(`received[xmlns="${Strophe.NS.RECEIPTS}"]`, stanza).pop();

          if (receipt) {
            const msgid = receipt && receipt.getAttribute('id'),
                  message = msgid && this.messages.findWhere({
              msgid
            });

            if (message && !message.get('received')) {
              message.save({
                'received': moment().format()
              });
            }

            return true;
          }
        }

        return false;
      },

      createMessageStanza(message) {
        /* Given a _converse.Message Backbone.Model, return the XML
         * stanza that represents it.
         *
         *  Parameters:
         *    (Object) message - The Backbone.Model representing the message
         */
        const stanza = $msg({
          'from': _converse.connection.jid,
          'to': this.get('jid'),
          'type': this.get('message_type'),
          'id': message.get('edited') && _converse.connection.getUniqueId() || message.get('msgid')
        }).c('body').t(message.get('message')).up().c(_converse.ACTIVE, {
          'xmlns': Strophe.NS.CHATSTATES
        }).up();

        if (message.get('type') === 'chat') {
          stanza.c('request', {
            'xmlns': Strophe.NS.RECEIPTS
          }).up();
        }

        if (message.get('is_spoiler')) {
          if (message.get('spoiler_hint')) {
            stanza.c('spoiler', {
              'xmlns': Strophe.NS.SPOILER
            }, message.get('spoiler_hint')).up();
          } else {
            stanza.c('spoiler', {
              'xmlns': Strophe.NS.SPOILER
            }).up();
          }
        }

        (message.get('references') || []).forEach(reference => {
          const attrs = {
            'xmlns': Strophe.NS.REFERENCE,
            'begin': reference.begin,
            'end': reference.end,
            'type': reference.type
          };

          if (reference.uri) {
            attrs.uri = reference.uri;
          }

          stanza.c('reference', attrs).up();
        });

        if (message.get('oob_url')) {
          stanza.c('x', {
            'xmlns': Strophe.NS.OUTOFBAND
          }).c('url').t(message.get('oob_url')).up();
        }

        if (message.get('edited')) {
          stanza.c('replace', {
            'xmlns': Strophe.NS.MESSAGE_CORRECT,
            'id': message.get('msgid')
          }).up();
        }

        return stanza;
      },

      sendMessageStanza(stanza) {
        _converse.api.send(stanza);

        if (_converse.forward_messages) {
          // Forward the message, so that other connected resources are also aware of it.
          _converse.api.send($msg({
            'to': _converse.bare_jid,
            'type': this.get('message_type')
          }).c('forwarded', {
            'xmlns': Strophe.NS.FORWARD
          }).c('delay', {
            'xmns': Strophe.NS.DELAY,
            'stamp': moment().format()
          }).up().cnode(stanza.tree()));
        }
      },

      getOutgoingMessageAttributes(text, spoiler_hint) {
        const is_spoiler = this.get('composing_spoiler');
        return _.extend(this.toJSON(), {
          'id': _converse.connection.getUniqueId(),
          'fullname': _converse.xmppstatus.get('fullname'),
          'from': _converse.bare_jid,
          'sender': 'me',
          'time': moment().format(),
          'message': text ? u.httpToGeoUri(u.shortnameToUnicode(text), _converse) : undefined,
          'is_spoiler': is_spoiler,
          'spoiler_hint': is_spoiler ? spoiler_hint : undefined,
          'type': this.get('message_type')
        });
      },

      sendMessage(attrs) {
        /* Responsible for sending off a text message.
         *
         *  Parameters:
         *    (Message) message - The chat message
         */
        let message = this.messages.findWhere('correcting');

        if (message) {
          const older_versions = message.get('older_versions') || [];
          older_versions.push(message.get('message'));
          message.save({
            'correcting': false,
            'edited': moment().format(),
            'message': attrs.message,
            'older_versions': older_versions,
            'references': attrs.references
          });
        } else {
          message = this.messages.create(attrs);
        }

        this.sendMessageStanza(this.createMessageStanza(message));
        return true;
      },

      sendChatState() {
        /* Sends a message with the status of the user in this chat session
         * as taken from the 'chat_state' attribute of the chat box.
         * See XEP-0085 Chat State Notifications.
         */
        if (_converse.send_chat_state_notifications && this.get('chat_state')) {
          _converse.api.send($msg({
            'id': _converse.connection.getUniqueId(),
            'to': this.get('jid'),
            'type': 'chat'
          }).c(this.get('chat_state'), {
            'xmlns': Strophe.NS.CHATSTATES
          }).up().c('no-store', {
            'xmlns': Strophe.NS.HINTS
          }).up().c('no-permanent-store', {
            'xmlns': Strophe.NS.HINTS
          }));
        }
      },

      async sendFiles(files) {
        const result = await _converse.api.disco.supports(Strophe.NS.HTTPUPLOAD, _converse.domain),
              item = result.pop();

        if (!item) {
          this.messages.create({
            'message': __("Sorry, looks like file upload is not supported by your server."),
            'type': 'error'
          });
          return;
        }

        const data = item.dataforms.where({
          'FORM_TYPE': {
            'value': Strophe.NS.HTTPUPLOAD,
            'type': "hidden"
          }
        }).pop(),
              max_file_size = window.parseInt(_.get(data, 'attributes.max-file-size.value')),
              slot_request_url = _.get(item, 'id');

        if (!slot_request_url) {
          this.messages.create({
            'message': __("Sorry, looks like file upload is not supported by your server."),
            'type': 'error'
          });
          return;
        }

        _.each(files, file => {
          if (!window.isNaN(max_file_size) && window.parseInt(file.size) > max_file_size) {
            return this.messages.create({
              'message': __('The size of your file, %1$s, exceeds the maximum allowed by your server, which is %2$s.', file.name, filesize__WEBPACK_IMPORTED_MODULE_3___default()(max_file_size)),
              'type': 'error'
            });
          } else {
            const message = this.messages.create(_.extend(this.getOutgoingMessageAttributes(), {
              'file': true,
              'progress': 0,
              'slot_request_url': slot_request_url
            }), {
              'silent': true
            });
            message.file = file;
            this.messages.trigger('add', message);
            message.getRequestSlotURL();
          }
        });
      },

      getReferencesFromStanza(stanza) {
        const text = _.propertyOf(stanza.querySelector('body'))('textContent');

        return sizzle(`reference[xmlns="${Strophe.NS.REFERENCE}"]`, stanza).map(ref => {
          const begin = ref.getAttribute('begin'),
                end = ref.getAttribute('end');
          return {
            'begin': begin,
            'end': end,
            'type': ref.getAttribute('type'),
            'value': text.slice(begin, end),
            'uri': ref.getAttribute('uri')
          };
        });
      },

      getMessageAttributesFromStanza(stanza, original_stanza) {
        /* Parses a passed in message stanza and returns an object
         * of attributes.
         *
         * Parameters:
         *    (XMLElement) stanza - The message stanza
         *    (XMLElement) delay - The <delay> node from the
         *      stanza, if there was one.
         *    (XMLElement) original_stanza - The original stanza,
         *      that contains the message stanza, if it was
         *      contained, otherwise it's the message stanza itself.
         */
        const archive = sizzle(`result[xmlns="${Strophe.NS.MAM}"]`, original_stanza).pop(),
              spoiler = sizzle(`spoiler[xmlns="${Strophe.NS.SPOILER}"]`, original_stanza).pop(),
              delay = sizzle(`delay[xmlns="${Strophe.NS.DELAY}"]`, original_stanza).pop(),
              chat_state = stanza.getElementsByTagName(_converse.COMPOSING).length && _converse.COMPOSING || stanza.getElementsByTagName(_converse.PAUSED).length && _converse.PAUSED || stanza.getElementsByTagName(_converse.INACTIVE).length && _converse.INACTIVE || stanza.getElementsByTagName(_converse.ACTIVE).length && _converse.ACTIVE || stanza.getElementsByTagName(_converse.GONE).length && _converse.GONE;

        const attrs = {
          'chat_state': chat_state,
          'is_archived': !_.isNil(archive),
          'is_delayed': !_.isNil(delay),
          'is_spoiler': !_.isNil(spoiler),
          'message': _converse.chatboxes.getMessageBody(stanza) || undefined,
          'references': this.getReferencesFromStanza(stanza),
          'msgid': stanza.getAttribute('id'),
          'time': delay ? delay.getAttribute('stamp') : moment().format(),
          'type': stanza.getAttribute('type')
        };

        if (attrs.type === 'groupchat') {
          attrs.from = stanza.getAttribute('from');
          attrs.nick = Strophe.unescapeNode(Strophe.getResourceFromJid(attrs.from));
          attrs.sender = attrs.nick === this.get('nick') ? 'me' : 'them';
        } else {
          attrs.from = Strophe.getBareJidFromJid(stanza.getAttribute('from'));

          if (attrs.from === _converse.bare_jid) {
            attrs.sender = 'me';
            attrs.fullname = _converse.xmppstatus.get('fullname');
          } else {
            attrs.sender = 'them';
            attrs.fullname = this.get('fullname');
          }
        }

        _.each(sizzle(`x[xmlns="${Strophe.NS.OUTOFBAND}"]`, stanza), xform => {
          attrs['oob_url'] = xform.querySelector('url').textContent;
          attrs['oob_desc'] = xform.querySelector('url').textContent;
        });

        if (spoiler) {
          attrs.spoiler_hint = spoiler.textContent.length > 0 ? spoiler.textContent : '';
        }

        return attrs;
      },

      async createMessage(message, original_stanza) {
        /* Create a Backbone.Message object inside this chat box
         * based on the identified message stanza.
         */
        const attrs = await this.getMessageAttributesFromStanza(message, original_stanza),
              is_csn = u.isOnlyChatStateNotification(attrs);

        if (is_csn && (attrs.is_delayed || attrs.type === 'groupchat' && Strophe.getResourceFromJid(attrs.from) == this.get('nick'))) {
          // XXX: MUC leakage
          // No need showing delayed or our own CSN messages
          return;
        } else if (!is_csn && !attrs.file && !attrs.plaintext && !attrs.message && !attrs.oob_url && attrs.type !== 'error') {
          // TODO: handle <subject> messages (currently being done by ChatRoom)
          return;
        } else {
          return this.messages.create(attrs);
        }
      },

      isHidden() {
        /* Returns a boolean to indicate whether a newly received
         * message will be visible to the user or not.
         */
        return this.get('hidden') || this.get('minimized') || this.isScrolledUp() || _converse.windowState === 'hidden';
      },

      incrementUnreadMsgCounter(message) {
        /* Given a newly received message, update the unread counter if
         * necessary.
         */
        if (!message) {
          return;
        }

        if (_.isNil(message.get('message'))) {
          return;
        }

        if (utils.isNewMessage(message) && this.isHidden()) {
          this.save({
            'num_unread': this.get('num_unread') + 1
          });

          _converse.incrementMsgCounter();
        }
      },

      clearUnreadMsgCounter() {
        u.safeSave(this, {
          'num_unread': 0
        });
      },

      isScrolledUp() {
        return this.get('scrolled', true);
      }

    });
    _converse.ChatBoxes = Backbone.Collection.extend({
      comparator: 'time_opened',

      model(attrs, options) {
        return new _converse.ChatBox(attrs, options);
      },

      registerMessageHandler() {
        _converse.connection.addHandler(stanza => {
          this.onMessage(stanza);
          return true;
        }, null, 'message', 'chat');

        _converse.connection.addHandler(stanza => {
          // Message receipts are usually without the `type` attribute. See #1353
          if (!_.isNull(stanza.getAttribute('type'))) {
            // TODO: currently Strophe has no way to register a handler
            // for stanzas without a `type` attribute.
            // We could update it to accept null to mean no attribute,
            // but that would be a backward-incompatible chnge
            return true; // Gets handled above.
          }

          this.onMessage(stanza);
          return true;
        }, Strophe.NS.RECEIPTS, 'message');

        _converse.connection.addHandler(stanza => {
          this.onErrorMessage(stanza);
          return true;
        }, null, 'message', 'error');
      },

      chatBoxMayBeShown(chatbox) {
        return true;
      },

      onChatBoxesFetched(collection) {
        /* Show chat boxes upon receiving them from sessionStorage */
        collection.each(chatbox => {
          if (this.chatBoxMayBeShown(chatbox)) {
            chatbox.trigger('show');
          }
        });

        _converse.emit('chatBoxesFetched');
      },

      onConnected() {
        this.browserStorage = new Backbone.BrowserStorage.session(`converse.chatboxes-${_converse.bare_jid}`);
        this.registerMessageHandler();
        this.fetch({
          'add': true,
          'success': this.onChatBoxesFetched.bind(this)
        });
      },

      onErrorMessage(message) {
        /* Handler method for all incoming error message stanzas
        */
        const from_jid = Strophe.getBareJidFromJid(message.getAttribute('from'));

        if (utils.isSameBareJID(from_jid, _converse.bare_jid)) {
          return true;
        }

        const chatbox = this.getChatBox(from_jid);

        if (!chatbox) {
          return true;
        }

        const id = message.getAttribute('id');

        if (id) {
          const msgs = chatbox.messages.where({
            'msgid': id
          });

          if (!msgs.length || msgs.filter(m => m.get('type') === 'error').length) {
            // If the error refers to a message not included in our store.
            // We assume that this was a CSI message (which we don't store).
            // See https://github.com/conversejs/converse.js/issues/1317
            //
            // We also ignore duplicate error messages.
            return;
          }
        } else {
          // An error message without id likely means that we
          // sent a message without id (which shouldn't happen).
          _converse.log('Received an error message without id attribute!', Strophe.LogLevel.ERROR);

          _converse.log(message, Strophe.LogLevel.ERROR);
        }

        chatbox.createMessage(message, message);
        return true;
      },

      getMessageBody(stanza) {
        /* Given a message stanza, return the text contained in its body.
         */
        const type = stanza.getAttribute('type');

        if (type === 'error') {
          const error = stanza.querySelector('error');
          return _.propertyOf(error.querySelector('text'))('textContent') || __('Sorry, an error occurred:') + ' ' + error.innerHTML;
        } else {
          return _.propertyOf(stanza.querySelector('body'))('textContent');
        }
      },

      sendReceiptStanza(to_jid, id) {
        const receipt_stanza = $msg({
          'from': _converse.connection.jid,
          'id': _converse.connection.getUniqueId(),
          'to': to_jid,
          'type': 'chat'
        }).c('received', {
          'xmlns': Strophe.NS.RECEIPTS,
          'id': id
        }).up().c('store', {
          'xmlns': Strophe.NS.HINTS
        }).up();

        _converse.api.send(receipt_stanza);
      },

      onMessage(stanza) {
        /* Handler method for all incoming single-user chat "message"
         * stanzas.
         *
         * Parameters:
         *    (XMLElement) stanza - The incoming message stanza
         */
        let to_jid = stanza.getAttribute('to');
        const to_resource = Strophe.getResourceFromJid(to_jid);

        if (_converse.filter_by_resource && to_resource && to_resource !== _converse.resource) {
          _converse.log(`onMessage: Ignoring incoming message intended for a different resource: ${to_jid}`, Strophe.LogLevel.INFO);

          return true;
        } else if (utils.isHeadlineMessage(_converse, stanza)) {
          // XXX: Ideally we wouldn't have to check for headline
          // messages, but Prosody sends headline messages with the
          // wrong type ('chat'), so we need to filter them out here.
          _converse.log(`onMessage: Ignoring incoming headline message from JID: ${stanza.getAttribute('from')}`, Strophe.LogLevel.INFO);

          return true;
        }

        let from_jid = stanza.getAttribute('from'),
            is_carbon = false;
        const forwarded = stanza.querySelector('forwarded'),
              original_stanza = stanza;

        if (!_.isNull(forwarded)) {
          const forwarded_message = forwarded.querySelector('message'),
                forwarded_from = forwarded_message.getAttribute('from');
          is_carbon = !_.isNull(stanza.querySelector(`received[xmlns="${Strophe.NS.CARBONS}"]`));

          if (is_carbon && Strophe.getBareJidFromJid(forwarded_from) !== from_jid) {
            // Prevent message forging via carbons
            // https://xmpp.org/extensions/xep-0280.html#security
            return true;
          }

          stanza = forwarded_message;
          from_jid = stanza.getAttribute('from');
          to_jid = stanza.getAttribute('to');
        }

        const from_bare_jid = Strophe.getBareJidFromJid(from_jid),
              from_resource = Strophe.getResourceFromJid(from_jid),
              is_me = from_bare_jid === _converse.bare_jid;
        const requests_receipt = !_.isUndefined(sizzle(`request[xmlns="${Strophe.NS.RECEIPTS}"]`, stanza).pop());

        if (requests_receipt && !is_carbon && !is_me) {
          this.sendReceiptStanza(from_jid, stanza.getAttribute('id'));
        }

        let contact_jid;

        if (is_me) {
          // I am the sender, so this must be a forwarded message...
          if (_.isNull(to_jid)) {
            return _converse.log(`Don't know how to handle message stanza without 'to' attribute. ${stanza.outerHTML}`, Strophe.LogLevel.ERROR);
          }

          contact_jid = Strophe.getBareJidFromJid(to_jid);
        } else {
          contact_jid = from_bare_jid;
        }

        const attrs = {
          'fullname': _.get(_converse.api.contacts.get(contact_jid), 'attributes.fullname') // Get chat box, but only create a new one when the message has a body.

        };
        const has_body = sizzle(`body, encrypted[xmlns="${Strophe.NS.OMEMO}"]`, stanza).length > 0;
        const chatbox = this.getChatBox(contact_jid, attrs, has_body);

        if (chatbox && !chatbox.handleMessageCorrection(stanza) && !chatbox.handleReceipt(stanza)) {
          const msgid = stanza.getAttribute('id'),
                message = msgid && chatbox.messages.findWhere({
            msgid
          });

          if (!message) {
            // Only create the message when we're sure it's not a duplicate
            chatbox.createMessage(stanza, original_stanza).then(msg => chatbox.incrementUnreadMsgCounter(msg)).catch(_.partial(_converse.log, _, Strophe.LogLevel.FATAL));
          }
        }

        _converse.emit('message', {
          'stanza': original_stanza,
          'chatbox': chatbox
        });

        return true;
      },

      getChatBox(jid, attrs = {}, create) {
        /* Returns a chat box or optionally return a newly
         * created one if one doesn't exist.
         *
         * Parameters:
         *    (String) jid - The JID of the user whose chat box we want
         *    (Boolean) create - Should a new chat box be created if none exists?
         *    (Object) attrs - Optional chat box atributes.
         */
        if (_.isObject(jid)) {
          create = attrs;
          attrs = jid;
          jid = attrs.jid;
        }

        jid = Strophe.getBareJidFromJid(jid.toLowerCase());
        let chatbox = this.get(Strophe.getBareJidFromJid(jid));

        if (!chatbox && create) {
          _.extend(attrs, {
            'jid': jid,
            'id': jid
          });

          chatbox = this.create(attrs, {
            'error'(model, response) {
              _converse.log(response.responseText);
            }

          });
        }

        return chatbox;
      }

    });

    function autoJoinChats() {
      /* Automatically join private chats, based on the
       * "auto_join_private_chats" configuration setting.
       */
      _.each(_converse.auto_join_private_chats, function (jid) {
        if (_converse.chatboxes.where({
          'jid': jid
        }).length) {
          return;
        }

        if (_.isString(jid)) {
          _converse.api.chats.open(jid);
        } else {
          _converse.log('Invalid jid criteria specified for "auto_join_private_chats"', Strophe.LogLevel.ERROR);
        }
      });

      _converse.emit('privateChatsAutoJoined');
    }
    /************************ BEGIN Event Handlers ************************/


    _converse.on('chatBoxesFetched', autoJoinChats);

    _converse.on('addClientFeatures', () => {
      _converse.api.disco.own.features.add(Strophe.NS.MESSAGE_CORRECT);

      _converse.api.disco.own.features.add(Strophe.NS.HTTPUPLOAD);

      _converse.api.disco.own.features.add(Strophe.NS.OUTOFBAND);
    });

    _converse.api.listen.on('pluginsInitialized', () => {
      _converse.chatboxes = new _converse.ChatBoxes();

      _converse.emit('chatBoxesInitialized');
    });

    _converse.api.listen.on('presencesInitialized', () => _converse.chatboxes.onConnected());
    /************************ END Event Handlers ************************/

    /************************ BEGIN API ************************/


    _.extend(_converse.api, {
      /**
       * The "chats" namespace (used for one-on-one chats)
       *
       * @namespace _converse.api.chats
       * @memberOf _converse.api
       */
      'chats': {
        /**
         * @method _converse.api.chats.create
         * @param {string|string[]} jid|jids An jid or array of jids
         * @param {object} attrs An object containing configuration attributes.
         */
        'create'(jids, attrs) {
          if (_.isUndefined(jids)) {
            _converse.log("chats.create: You need to provide at least one JID", Strophe.LogLevel.ERROR);

            return null;
          }

          if (_.isString(jids)) {
            if (attrs && !_.get(attrs, 'fullname')) {
              attrs.fullname = _.get(_converse.api.contacts.get(jids), 'attributes.fullname');
            }

            const chatbox = _converse.chatboxes.getChatBox(jids, attrs, true);

            if (_.isNil(chatbox)) {
              _converse.log("Could not open chatbox for JID: " + jids, Strophe.LogLevel.ERROR);

              return;
            }

            return chatbox;
          }

          return _.map(jids, jid => {
            attrs.fullname = _.get(_converse.api.contacts.get(jid), 'attributes.fullname');
            return _converse.chatboxes.getChatBox(jid, attrs, true).trigger('show');
          });
        },

        /**
         * Opens a new one-on-one chat.
         *
         * @method _converse.api.chats.open
         * @param {String|string[]} name - e.g. 'buddy@example.com' or ['buddy1@example.com', 'buddy2@example.com']
         * @returns {Promise} Promise which resolves with the Backbone.Model representing the chat.
         *
         * @example
         * // To open a single chat, provide the JID of the contact you're chatting with in that chat:
         * converse.plugins.add('myplugin', {
         *     initialize: function() {
         *         var _converse = this._converse;
         *         // Note, buddy@example.org must be in your contacts roster!
         *         _converse.api.chats.open('buddy@example.com').then((chat) => {
         *             // Now you can do something with the chat model
         *         });
         *     }
         * });
         *
         * @example
         * // To open an array of chats, provide an array of JIDs:
         * converse.plugins.add('myplugin', {
         *     initialize: function () {
         *         var _converse = this._converse;
         *         // Note, these users must first be in your contacts roster!
         *         _converse.api.chats.open(['buddy1@example.com', 'buddy2@example.com']).then((chats) => {
         *             // Now you can do something with the chat models
         *         });
         *     }
         * });
         *
         */
        'open'(jids, attrs) {
          return new Promise((resolve, reject) => {
            Promise.all([_converse.api.waitUntil('rosterContactsFetched'), _converse.api.waitUntil('chatBoxesFetched')]).then(() => {
              if (_.isUndefined(jids)) {
                const err_msg = "chats.open: You need to provide at least one JID";

                _converse.log(err_msg, Strophe.LogLevel.ERROR);

                reject(new Error(err_msg));
              } else if (_.isString(jids)) {
                resolve(_converse.api.chats.create(jids, attrs).trigger('show'));
              } else {
                resolve(_.map(jids, jid => _converse.api.chats.create(jid, attrs).trigger('show')));
              }
            }).catch(_.partial(_converse.log, _, Strophe.LogLevel.FATAL));
          });
        },

        /**
         * Returns a chat model. The chat should already be open.
         *
         * @method _converse.api.chats.get
         * @param {String|string[]} name - e.g. 'buddy@example.com' or ['buddy1@example.com', 'buddy2@example.com']
         * @returns {Backbone.Model}
         *
         * @example
         * // To return a single chat, provide the JID of the contact you're chatting with in that chat:
         * const model = _converse.api.chats.get('buddy@example.com');
         *
         * @example
         * // To return an array of chats, provide an array of JIDs:
         * const models = _converse.api.chats.get(['buddy1@example.com', 'buddy2@example.com']);
         *
         * @example
         * // To return all open chats, call the method without any parameters::
         * const models = _converse.api.chats.get();
         *
         */
        'get'(jids) {
          if (_.isUndefined(jids)) {
            const result = [];

            _converse.chatboxes.each(function (chatbox) {
              // FIXME: Leaky abstraction from MUC. We need to add a
              // base type for chat boxes, and check for that.
              if (chatbox.get('type') !== _converse.CHATROOMS_TYPE) {
                result.push(chatbox);
              }
            });

            return result;
          } else if (_.isString(jids)) {
            return _converse.chatboxes.getChatBox(jids);
          }

          return _.map(jids, _.partial(_converse.chatboxes.getChatBox.bind(_converse.chatboxes), _, {}, true));
        }

      }
    });
    /************************ END API ************************/

  }

});

/***/ }),

/***/ "./src/headless/converse-core.js":
/*!***************************************!*\
  !*** ./src/headless/converse-core.js ***!
  \***************************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var strophe_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! strophe.js */ "./node_modules/strophe.js/dist/strophe.js");
/* harmony import */ var strophe_js__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(strophe_js__WEBPACK_IMPORTED_MODULE_0__);
/* harmony import */ var backbone__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! backbone */ "./node_modules/backbone/backbone.js");
/* harmony import */ var backbone__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(backbone__WEBPACK_IMPORTED_MODULE_1__);
/* harmony import */ var backbone_browserStorage__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! backbone.browserStorage */ "./node_modules/backbone.browserStorage/backbone.browserStorage.js");
/* harmony import */ var backbone_browserStorage__WEBPACK_IMPORTED_MODULE_2___default = /*#__PURE__*/__webpack_require__.n(backbone_browserStorage__WEBPACK_IMPORTED_MODULE_2__);
/* harmony import */ var es6_promise_dist_es6_promise_auto__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! es6-promise/dist/es6-promise.auto */ "./node_modules/es6-promise/dist/es6-promise.auto.js");
/* harmony import */ var es6_promise_dist_es6_promise_auto__WEBPACK_IMPORTED_MODULE_3___default = /*#__PURE__*/__webpack_require__.n(es6_promise_dist_es6_promise_auto__WEBPACK_IMPORTED_MODULE_3__);
/* harmony import */ var _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! ./lodash.noconflict */ "./src/headless/lodash.noconflict.js");
/* harmony import */ var _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default = /*#__PURE__*/__webpack_require__.n(_lodash_noconflict__WEBPACK_IMPORTED_MODULE_4__);
/* harmony import */ var _lodash_fp__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(/*! ./lodash.fp */ "./src/headless/lodash.fp.js");
/* harmony import */ var _lodash_fp__WEBPACK_IMPORTED_MODULE_5___default = /*#__PURE__*/__webpack_require__.n(_lodash_fp__WEBPACK_IMPORTED_MODULE_5__);
/* harmony import */ var _i18n__WEBPACK_IMPORTED_MODULE_6__ = __webpack_require__(/*! ./i18n */ "./src/headless/i18n.js");
/* harmony import */ var moment__WEBPACK_IMPORTED_MODULE_7__ = __webpack_require__(/*! moment */ "./node_modules/moment/moment.js");
/* harmony import */ var moment__WEBPACK_IMPORTED_MODULE_7___default = /*#__PURE__*/__webpack_require__.n(moment__WEBPACK_IMPORTED_MODULE_7__);
/* harmony import */ var pluggable_js_dist_pluggable__WEBPACK_IMPORTED_MODULE_8__ = __webpack_require__(/*! pluggable.js/dist/pluggable */ "./node_modules/pluggable.js/dist/pluggable.js");
/* harmony import */ var pluggable_js_dist_pluggable__WEBPACK_IMPORTED_MODULE_8___default = /*#__PURE__*/__webpack_require__.n(pluggable_js_dist_pluggable__WEBPACK_IMPORTED_MODULE_8__);
/* harmony import */ var _polyfill__WEBPACK_IMPORTED_MODULE_9__ = __webpack_require__(/*! ./polyfill */ "./src/headless/polyfill.js");
/* harmony import */ var _polyfill__WEBPACK_IMPORTED_MODULE_9___default = /*#__PURE__*/__webpack_require__.n(_polyfill__WEBPACK_IMPORTED_MODULE_9__);
/* harmony import */ var sizzle__WEBPACK_IMPORTED_MODULE_10__ = __webpack_require__(/*! sizzle */ "./node_modules/sizzle/dist/sizzle.js");
/* harmony import */ var sizzle__WEBPACK_IMPORTED_MODULE_10___default = /*#__PURE__*/__webpack_require__.n(sizzle__WEBPACK_IMPORTED_MODULE_10__);
/* harmony import */ var _converse_headless_utils_core__WEBPACK_IMPORTED_MODULE_11__ = __webpack_require__(/*! @converse/headless/utils/core */ "./src/headless/utils/core.js");
// Converse.js
// https://conversejs.org
//
// Copyright (c) 2013-2018, the Converse.js developers
// Licensed under the Mozilla Public License (MPLv2)












Backbone = backbone__WEBPACK_IMPORTED_MODULE_1___default.a.noConflict(); // Strophe globals

const b64_sha1 = strophe_js__WEBPACK_IMPORTED_MODULE_0__["SHA1"].b64_sha1; // Add Strophe Namespaces

strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].addNamespace('CARBONS', 'urn:xmpp:carbons:2');
strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].addNamespace('CHATSTATES', 'http://jabber.org/protocol/chatstates');
strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].addNamespace('CSI', 'urn:xmpp:csi:0');
strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].addNamespace('DELAY', 'urn:xmpp:delay');
strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].addNamespace('FORWARD', 'urn:xmpp:forward:0');
strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].addNamespace('HINTS', 'urn:xmpp:hints');
strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].addNamespace('HTTPUPLOAD', 'urn:xmpp:http:upload:0');
strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].addNamespace('IDLE', 'urn:xmpp:idle:1');
strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].addNamespace('MAM', 'urn:xmpp:mam:2');
strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].addNamespace('NICK', 'http://jabber.org/protocol/nick');
strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].addNamespace('OMEMO', "eu.siacs.conversations.axolotl");
strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].addNamespace('OUTOFBAND', 'jabber:x:oob');
strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].addNamespace('PUBSUB', 'http://jabber.org/protocol/pubsub');
strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].addNamespace('REGISTER', 'jabber:iq:register');
strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].addNamespace('ROSTERX', 'http://jabber.org/protocol/rosterx');
strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].addNamespace('RSM', 'http://jabber.org/protocol/rsm');
strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].addNamespace('SID', 'urn:xmpp:sid:0');
strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].addNamespace('SPOILER', 'urn:xmpp:spoiler:0');
strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].addNamespace('VCARD', 'vcard-temp');
strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].addNamespace('VCARDUPDATE', 'vcard-temp:x:update');
strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].addNamespace('XFORM', 'jabber:x:data'); // Use Mustache style syntax for variable interpolation

/* Configuration of Lodash templates (this config is distinct to the
 * config of requirejs-tpl in main.js). This one is for normal inline templates.
 */

_lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.templateSettings = {
  'escape': /\{\{\{([\s\S]+?)\}\}\}/g,
  'evaluate': /\{\[([\s\S]+?)\]\}/g,
  'interpolate': /\{\{([\s\S]+?)\}\}/g,
  'imports': {
    '_': _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a
  }
}; // Setting wait to 59 instead of 60 to avoid timing conflicts with the
// webserver, which is often also set to 60 and might therefore sometimes
// return a 504 error page instead of passing through to the BOSH proxy.

const BOSH_WAIT = 59;
/**
 * A private, closured object containing the private api (via `_converse.api`)
 * as well as private methods and internal data-structures.
 *
 * @namespace _converse
 */

const _converse = {
  'templates': {},
  'promises': {}
};
_converse.VERSION_NAME = "v4.1.0";

_lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.extend(_converse, Backbone.Events); // Make converse pluggable


pluggable_js_dist_pluggable__WEBPACK_IMPORTED_MODULE_8___default.a.enable(_converse, '_converse', 'pluggable'); // Core plugins are whitelisted automatically
// These are just the @converse/headless plugins, for the full converse,
// the other plugins are whitelisted in src/converse.js

_converse.core_plugins = ['converse-chatboxes', 'converse-core', 'converse-disco', 'converse-mam', 'converse-muc', 'converse-ping', 'converse-pubsub', 'converse-roster', 'converse-vcard'];
_converse.keycodes = {
  TAB: 9,
  ENTER: 13,
  SHIFT: 16,
  CTRL: 17,
  ALT: 18,
  ESCAPE: 27,
  UP_ARROW: 38,
  DOWN_ARROW: 40,
  FORWARD_SLASH: 47,
  AT: 50,
  META: 91,
  META_RIGHT: 93
}; // Module-level constants

_converse.STATUS_WEIGHTS = {
  'offline': 6,
  'unavailable': 5,
  'xa': 4,
  'away': 3,
  'dnd': 2,
  'chat': 1,
  // We currently don't differentiate between "chat" and "online"
  'online': 1
};
_converse.PRETTY_CHAT_STATUS = {
  'offline': 'Offline',
  'unavailable': 'Unavailable',
  'xa': 'Extended Away',
  'away': 'Away',
  'dnd': 'Do not disturb',
  'chat': 'Chattty',
  'online': 'Online'
};
_converse.ANONYMOUS = "anonymous";
_converse.CLOSED = 'closed';
_converse.EXTERNAL = "external";
_converse.LOGIN = "login";
_converse.LOGOUT = "logout";
_converse.OPENED = 'opened';
_converse.PREBIND = "prebind";
_converse.IQ_TIMEOUT = 20000;
_converse.CONNECTION_STATUS = {
  0: 'ERROR',
  1: 'CONNECTING',
  2: 'CONNFAIL',
  3: 'AUTHENTICATING',
  4: 'AUTHFAIL',
  5: 'CONNECTED',
  6: 'DISCONNECTED',
  7: 'DISCONNECTING',
  8: 'ATTACHED',
  9: 'REDIRECT',
  10: 'RECONNECTING'
};
_converse.SUCCESS = 'success';
_converse.FAILURE = 'failure'; // Generated from css/images/user.svg

_converse.DEFAULT_IMAGE_TYPE = 'image/svg+xml';
_converse.DEFAULT_IMAGE = "PD94bWwgdmVyc2lvbj0iMS4wIj8+CjxzdmcgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIiB3aWR0aD0iMTI4IiBoZWlnaHQ9IjEyOCI+CiA8cmVjdCB3aWR0aD0iMTI4IiBoZWlnaHQ9IjEyOCIgZmlsbD0iIzU1NSIvPgogPGNpcmNsZSBjeD0iNjQiIGN5PSI0MSIgcj0iMjQiIGZpbGw9IiNmZmYiLz4KIDxwYXRoIGQ9Im0yOC41IDExMiB2LTEyIGMwLTEyIDEwLTI0IDI0LTI0IGgyMyBjMTQgMCAyNCAxMiAyNCAyNCB2MTIiIGZpbGw9IiNmZmYiLz4KPC9zdmc+Cg==";
_converse.TIMEOUTS = {
  // Set as module attr so that we can override in tests.
  'PAUSED': 10000,
  'INACTIVE': 90000
}; // XEP-0085 Chat states
// http://xmpp.org/extensions/xep-0085.html

_converse.INACTIVE = 'inactive';
_converse.ACTIVE = 'active';
_converse.COMPOSING = 'composing';
_converse.PAUSED = 'paused';
_converse.GONE = 'gone'; // Chat types

_converse.PRIVATE_CHAT_TYPE = 'chatbox';
_converse.CHATROOMS_TYPE = 'chatroom';
_converse.HEADLINES_TYPE = 'headline';
_converse.CONTROLBOX_TYPE = 'controlbox'; // Default configuration values
// ----------------------------

_converse.default_settings = {
  allow_non_roster_messaging: false,
  animate: true,
  authentication: 'login',
  // Available values are "login", "prebind", "anonymous" and "external".
  auto_away: 0,
  // Seconds after which user status is set to 'away'
  auto_login: false,
  // Currently only used in connection with anonymous login
  auto_reconnect: true,
  auto_xa: 0,
  // Seconds after which user status is set to 'xa'
  blacklisted_plugins: [],
  bosh_service_url: undefined,
  connection_options: {},
  credentials_url: null,
  // URL from where login credentials can be fetched
  csi_waiting_time: 0,
  // Support for XEP-0352. Seconds before client is considered idle and CSI is sent out.
  debug: false,
  default_state: 'online',
  expose_rid_and_sid: false,
  geouri_regex: /https:\/\/www.openstreetmap.org\/.*#map=[0-9]+\/([\-0-9.]+)\/([\-0-9.]+)\S*/g,
  geouri_replacement: 'https://www.openstreetmap.org/?mlat=$1&mlon=$2#map=18/$1/$2',
  idle_presence_timeout: 300,
  // Seconds after which an idle presence is sent
  jid: undefined,
  keepalive: true,
  locales_url: 'locale/{{{locale}}}/LC_MESSAGES/converse.json',
  locales: ['af', 'ar', 'bg', 'ca', 'cs', 'de', 'es', 'eu', 'en', 'fr', 'gl', 'he', 'hi', 'hu', 'id', 'it', 'ja', 'nb', 'nl', 'pl', 'pt_BR', 'ro', 'ru', 'tr', 'uk', 'zh_CN', 'zh_TW'],
  message_carbons: true,
  nickname: undefined,
  password: undefined,
  prebind_url: null,
  priority: 0,
  rid: undefined,
  root: window.document,
  sid: undefined,
  strict_plugin_dependencies: false,
  trusted: true,
  view_mode: 'overlayed',
  // Choices are 'overlayed', 'fullscreen', 'mobile'
  websocket_url: undefined,
  whitelisted_plugins: []
};

_converse.log = function (message, level, style = '') {
  /* Logs messages to the browser's developer console.
   *
   * Parameters:
   *      (String) message - The message to be logged.
   *      (Integer) level - The loglevel which allows for filtering of log
   *                       messages.
   *
   *  Available loglevels are 0 for 'debug', 1 for 'info', 2 for 'warn',
   *  3 for 'error' and 4 for 'fatal'.
   *
   *  When using the 'error' or 'warn' loglevels, a full stacktrace will be
   *  logged as well.
   */
  if (level === strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].LogLevel.ERROR || level === strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].LogLevel.FATAL) {
    style = style || 'color: maroon';
  }

  if (message instanceof Error) {
    message = message.stack;
  } else if (_lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.isElement(message)) {
    message = message.outerHTML;
  }

  const prefix = style ? '%c' : '';

  const logger = _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.assign({
    'debug': _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.get(console, 'log') ? console.log.bind(console) : _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.noop,
    'error': _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.get(console, 'log') ? console.log.bind(console) : _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.noop,
    'info': _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.get(console, 'log') ? console.log.bind(console) : _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.noop,
    'warn': _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.get(console, 'log') ? console.log.bind(console) : _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.noop
  }, console);

  if (level === strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].LogLevel.ERROR) {
    logger.error(`${prefix} ERROR: ${message}`, style);
  } else if (level === strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].LogLevel.WARN) {
    if (_converse.debug) {
      logger.warn(`${prefix} ${moment__WEBPACK_IMPORTED_MODULE_7___default()().format()} WARNING: ${message}`, style);
    }
  } else if (level === strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].LogLevel.FATAL) {
    logger.error(`${prefix} FATAL: ${message}`, style);
  } else if (_converse.debug) {
    if (level === strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].LogLevel.DEBUG) {
      logger.debug(`${prefix} ${moment__WEBPACK_IMPORTED_MODULE_7___default()().format()} DEBUG: ${message}`, style);
    } else {
      logger.info(`${prefix} ${moment__WEBPACK_IMPORTED_MODULE_7___default()().format()} INFO: ${message}`, style);
    }
  }
};

strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].log = function (level, msg) {
  _converse.log(level + ' ' + msg, level);
};

strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].error = function (msg) {
  _converse.log(msg, strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].LogLevel.ERROR);
};

_converse.__ = function (str) {
  /* Translate the given string based on the current locale.
   *
   * Parameters:
   *      (String) str - The string to translate.
   */
  if (_lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.isUndefined(_i18n__WEBPACK_IMPORTED_MODULE_6__["default"])) {
    return str;
  }

  return _i18n__WEBPACK_IMPORTED_MODULE_6__["default"].translate.apply(_i18n__WEBPACK_IMPORTED_MODULE_6__["default"], arguments);
};

const __ = _converse.__;
const PROMISES = ['initialized', 'connectionInitialized', 'pluginsInitialized', 'statusInitialized'];

function addPromise(promise) {
  /* Private function, used to add a new promise to the ones already
   * available via the `waitUntil` api method.
   */
  _converse.promises[promise] = _converse_headless_utils_core__WEBPACK_IMPORTED_MODULE_11__["default"].getResolveablePromise();
}

_converse.emit = function (name) {
  /* Event emitter and promise resolver */
  _converse.trigger.apply(this, arguments);

  const promise = _converse.promises[name];

  if (!_lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.isUndefined(promise)) {
    promise.resolve();
  }
};

_converse.isUniView = function () {
  /* We distinguish between UniView and MultiView instances.
   *
   * UniView means that only one chat is visible, even though there might be multiple ongoing chats.
   * MultiView means that multiple chats may be visible simultaneously.
   */
  return _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.includes(['mobile', 'fullscreen', 'embedded'], _converse.view_mode);
};

_converse.router = new Backbone.Router();

function initPlugins() {
  // If initialize gets called a second time (e.g. during tests), then we
  // need to re-apply all plugins (for a new converse instance), and we
  // therefore need to clear this array that prevents plugins from being
  // initialized twice.
  // If initialize is called for the first time, then this array is empty
  // in any case.
  _converse.pluggable.initialized_plugins = [];

  const whitelist = _converse.core_plugins.concat(_converse.whitelisted_plugins);

  if (_converse.view_mode === 'embedded') {
    _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.forEach([// eslint-disable-line lodash/prefer-map
    "converse-bookmarks", "converse-controlbox", "converse-headline", "converse-register"], name => {
      _converse.blacklisted_plugins.push(name);
    });
  }

  _converse.pluggable.initializePlugins({
    'updateSettings'() {
      _converse.log("(DEPRECATION) " + "The `updateSettings` method has been deprecated. " + "Please use `_converse.api.settings.update` instead.", strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].LogLevel.WARN);

      _converse.api.settings.update.apply(_converse, arguments);
    },

    '_converse': _converse
  }, whitelist, _converse.blacklisted_plugins);

  _converse.emit('pluginsInitialized');
}

function initClientConfig() {
  /* The client config refers to configuration of the client which is
   * independent of any particular user.
   * What this means is that config values need to persist across
   * user sessions.
   */
  const id = b64_sha1('converse.client-config');
  _converse.config = new Backbone.Model({
    'id': id,
    'trusted': _converse.trusted && true || false,
    'storage': _converse.trusted ? 'local' : 'session'
  });
  _converse.config.browserStorage = new Backbone.BrowserStorage.session(id);

  _converse.config.fetch();

  _converse.emit('clientConfigInitialized');
}

_converse.initConnection = function () {
  /* Creates a new Strophe.Connection instance if we don't already have one.
   */
  if (!_converse.connection) {
    if (!_converse.bosh_service_url && !_converse.websocket_url) {
      throw new Error("initConnection: you must supply a value for either the bosh_service_url or websocket_url or both.");
    }

    if (('WebSocket' in window || 'MozWebSocket' in window) && _converse.websocket_url) {
      _converse.connection = new strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].Connection(_converse.websocket_url, _converse.connection_options);
    } else if (_converse.bosh_service_url) {
      _converse.connection = new strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].Connection(_converse.bosh_service_url, _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.assignIn(_converse.connection_options, {
        'keepalive': _converse.keepalive
      }));
    } else {
      throw new Error("initConnection: this browser does not support websockets and bosh_service_url wasn't specified.");
    }
  }

  _converse.emit('connectionInitialized');
};

function setUpXMLLogging() {
  strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].log = function (level, msg) {
    _converse.log(msg, level);
  };

  if (_converse.debug) {
    _converse.connection.xmlInput = function (body) {
      _converse.log(body.outerHTML, strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].LogLevel.DEBUG, 'color: darkgoldenrod');
    };

    _converse.connection.xmlOutput = function (body) {
      _converse.log(body.outerHTML, strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].LogLevel.DEBUG, 'color: darkcyan');
    };
  }
}

function finishInitialization() {
  initPlugins();
  initClientConfig();

  _converse.initConnection();

  setUpXMLLogging();

  _converse.logIn();

  _converse.registerGlobalEventHandlers();

  if (!Backbone.history.started) {
    Backbone.history.start();
  }

  if (_converse.idle_presence_timeout > 0) {
    _converse.on('addClientFeatures', () => {
      _converse.api.disco.own.features.add(strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].NS.IDLE);
    });
  }
}

function unregisterGlobalEventHandlers() {
  document.removeEventListener("visibilitychange", _converse.saveWindowState);

  _converse.emit('unregisteredGlobalEventHandlers');
}

function cleanup() {
  // Looks like _converse.initialized was called again without logging
  // out or disconnecting in the previous session.
  // This happens in tests. We therefore first clean up.
  Backbone.history.stop();

  _converse.chatboxviews.closeAllChatBoxes();

  unregisterGlobalEventHandlers();
  window.localStorage.clear();
  window.sessionStorage.clear();

  if (_converse.bookmarks) {
    _converse.bookmarks.reset();
  }

  delete _converse.controlboxtoggle;
  delete _converse.chatboxviews;

  _converse.connection.reset();

  _converse.tearDown();

  _converse.stopListening();

  _converse.off();

  delete _converse.config;
  initClientConfig();
}

_converse.initialize = function (settings, callback) {
  settings = !_lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.isUndefined(settings) ? settings : {};
  const init_promise = _converse_headless_utils_core__WEBPACK_IMPORTED_MODULE_11__["default"].getResolveablePromise();

  _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.each(PROMISES, addPromise);

  if (!_lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.isUndefined(_converse.connection)) {
    cleanup();
  }

  if ('onpagehide' in window) {
    // Pagehide gets thrown in more cases than unload. Specifically it
    // gets thrown when the page is cached and not just
    // closed/destroyed. It's the only viable event on mobile Safari.
    // https://www.webkit.org/blog/516/webkit-page-cache-ii-the-unload-event/
    _converse.unloadevent = 'pagehide';
  } else if ('onbeforeunload' in window) {
    _converse.unloadevent = 'beforeunload';
  } else if ('onunload' in window) {
    _converse.unloadevent = 'unload';
  }

  _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.assignIn(this, this.default_settings); // Allow only whitelisted configuration attributes to be overwritten


  _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.assignIn(this, _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.pick(settings, _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.keys(this.default_settings)));

  if (this.authentication === _converse.ANONYMOUS) {
    if (this.auto_login && !this.jid) {
      throw new Error("Config Error: you need to provide the server's " + "domain via the 'jid' option when using anonymous " + "authentication with auto_login.");
    }
  }
  /* Localisation */


  if (!_lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.isUndefined(_i18n__WEBPACK_IMPORTED_MODULE_6__["default"])) {
    _i18n__WEBPACK_IMPORTED_MODULE_6__["default"].setLocales(settings.i18n, _converse);
  } else {
    _converse.locale = 'en';
  } // Module-level variables
  // ----------------------


  this.callback = callback || _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.noop;
  /* When reloading the page:
   * For new sessions, we need to send out a presence stanza to notify
   * the server/network that we're online.
   * When re-attaching to an existing session (e.g. via the keepalive
   * option), we don't need to again send out a presence stanza, because
   * it's as if "we never left" (see onConnectStatusChanged).
   * https://github.com/jcbrand/converse.js/issues/521
   */

  this.send_initial_presence = true;
  this.msg_counter = 0;
  this.user_settings = settings; // Save the user settings so that they can be used by plugins
  // Module-level functions
  // ----------------------

  this.generateResource = () => `/converse.js-${Math.floor(Math.random() * 139749528).toString()}`;

  this.sendCSI = function (stat) {
    /* Send out a Chat Status Notification (XEP-0352)
     *
     * Parameters:
     *  (String) stat: The user's chat status
     */
    _converse.api.send(Object(strophe_js__WEBPACK_IMPORTED_MODULE_0__["$build"])(stat, {
      xmlns: strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].NS.CSI
    }));

    _converse.inactive = stat === _converse.INACTIVE ? true : false;
  };

  this.onUserActivity = function () {
    /* Resets counters and flags relating to CSI and auto_away/auto_xa */
    if (_converse.idle_seconds > 0) {
      _converse.idle_seconds = 0;
    }

    if (!_converse.connection.authenticated) {
      // We can't send out any stanzas when there's no authenticated connection.
      // This can happen when the connection reconnects.
      return;
    }

    if (_converse.inactive) {
      _converse.sendCSI(_converse.ACTIVE);
    }

    if (_converse.idle) {
      _converse.idle = false;

      _converse.xmppstatus.sendPresence();
    }

    if (_converse.auto_changed_status === true) {
      _converse.auto_changed_status = false; // XXX: we should really remember the original state here, and
      // then set it back to that...

      _converse.xmppstatus.set('status', _converse.default_state);
    }
  };

  this.onEverySecond = function () {
    /* An interval handler running every second.
     * Used for CSI and the auto_away and auto_xa features.
     */
    if (!_converse.connection.authenticated) {
      // We can't send out any stanzas when there's no authenticated connection.
      // This can happen when the connection reconnects.
      return;
    }

    const stat = _converse.xmppstatus.get('status');

    _converse.idle_seconds++;

    if (_converse.csi_waiting_time > 0 && _converse.idle_seconds > _converse.csi_waiting_time && !_converse.inactive) {
      _converse.sendCSI(_converse.INACTIVE);
    }

    if (_converse.idle_presence_timeout > 0 && _converse.idle_seconds > _converse.idle_presence_timeout && !_converse.idle) {
      _converse.idle = true;

      _converse.xmppstatus.sendPresence();
    }

    if (_converse.auto_away > 0 && _converse.idle_seconds > _converse.auto_away && stat !== 'away' && stat !== 'xa' && stat !== 'dnd') {
      _converse.auto_changed_status = true;

      _converse.xmppstatus.set('status', 'away');
    } else if (_converse.auto_xa > 0 && _converse.idle_seconds > _converse.auto_xa && stat !== 'xa' && stat !== 'dnd') {
      _converse.auto_changed_status = true;

      _converse.xmppstatus.set('status', 'xa');
    }
  };

  this.registerIntervalHandler = function () {
    /* Set an interval of one second and register a handler for it.
     * Required for the auto_away, auto_xa and csi_waiting_time features.
     */
    if (_converse.auto_away < 1 && _converse.auto_xa < 1 && _converse.csi_waiting_time < 1 && _converse.idle_presence_timeout < 1) {
      // Waiting time of less then one second means features aren't used.
      return;
    }

    _converse.idle_seconds = 0;
    _converse.auto_changed_status = false; // Was the user's status changed by Converse?

    window.addEventListener('click', _converse.onUserActivity);
    window.addEventListener('focus', _converse.onUserActivity);
    window.addEventListener('keypress', _converse.onUserActivity);
    window.addEventListener('mousemove', _converse.onUserActivity);
    const options = {
      'once': true,
      'passive': true
    };
    window.addEventListener(_converse.unloadevent, _converse.onUserActivity, options);
    _converse.everySecondTrigger = window.setInterval(_converse.onEverySecond, 1000);
  };

  this.setConnectionStatus = function (connection_status, message) {
    _converse.connfeedback.set({
      'connection_status': connection_status,
      'message': message
    });
  };

  this.rejectPresenceSubscription = function (jid, message) {
    /* Reject or cancel another user's subscription to our presence updates.
     *
     *  Parameters:
     *    (String) jid - The Jabber ID of the user whose subscription
     *      is being canceled.
     *    (String) message - An optional message to the user
     */
    const pres = Object(strophe_js__WEBPACK_IMPORTED_MODULE_0__["$pres"])({
      to: jid,
      type: "unsubscribed"
    });

    if (message && message !== "") {
      pres.c("status").t(message);
    }

    _converse.api.send(pres);
  };

  this.reconnect = _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.debounce(function () {
    _converse.log('RECONNECTING');

    _converse.log('The connection has dropped, attempting to reconnect.');

    _converse.setConnectionStatus(strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].Status.RECONNECTING, __('The connection has dropped, attempting to reconnect.'));

    _converse.connection.reconnecting = true;

    _converse.tearDown();

    _converse.logIn(null, true);
  }, 3000, {
    'leading': true
  });

  this.disconnect = function () {
    _converse.log('DISCONNECTED');

    delete _converse.connection.reconnecting;

    _converse.connection.reset();

    _converse.tearDown();

    _converse.clearSession();

    _converse.emit('disconnected');
  };

  this.onDisconnected = function () {
    /* Gets called once strophe's status reaches Strophe.Status.DISCONNECTED.
     * Will either start a teardown process for converse.js or attempt
     * to reconnect.
     */
    const reason = _converse.disconnection_reason;

    if (_converse.disconnection_cause === strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].Status.AUTHFAIL) {
      if (_converse.credentials_url && _converse.auto_reconnect) {
        /* In this case, we reconnect, because we might be receiving
         * expirable tokens from the credentials_url.
         */
        _converse.emit('will-reconnect');

        return _converse.reconnect();
      } else {
        return _converse.disconnect();
      }
    } else if (_converse.disconnection_cause === _converse.LOGOUT || !_lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.isUndefined(reason) && reason === _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.get(strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"], 'ErrorCondition.NO_AUTH_MECH') || reason === "host-unknown" || reason === "remote-connection-failed" || !_converse.auto_reconnect) {
      return _converse.disconnect();
    }

    _converse.emit('will-reconnect');

    _converse.reconnect();
  };

  this.setDisconnectionCause = function (cause, reason, override) {
    /* Used to keep track of why we got disconnected, so that we can
     * decide on what the next appropriate action is (in onDisconnected)
     */
    if (_lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.isUndefined(cause)) {
      delete _converse.disconnection_cause;
      delete _converse.disconnection_reason;
    } else if (_lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.isUndefined(_converse.disconnection_cause) || override) {
      _converse.disconnection_cause = cause;
      _converse.disconnection_reason = reason;
    }
  };

  this.onConnectStatusChanged = function (status, message) {
    /* Callback method called by Strophe as the Strophe.Connection goes
     * through various states while establishing or tearing down a
     * connection.
     */
    _converse.log(`Status changed to: ${_converse.CONNECTION_STATUS[status]}`);

    if (status === strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].Status.CONNECTED || status === strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].Status.ATTACHED) {
      _converse.setConnectionStatus(status); // By default we always want to send out an initial presence stanza.


      _converse.send_initial_presence = true;

      _converse.setDisconnectionCause();

      if (_converse.connection.reconnecting) {
        _converse.log(status === strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].Status.CONNECTED ? 'Reconnected' : 'Reattached');

        _converse.onConnected(true);
      } else {
        _converse.log(status === strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].Status.CONNECTED ? 'Connected' : 'Attached');

        if (_converse.connection.restored) {
          // No need to send an initial presence stanza when
          // we're restoring an existing session.
          _converse.send_initial_presence = false;
        }

        _converse.onConnected();
      }
    } else if (status === strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].Status.DISCONNECTED) {
      _converse.setDisconnectionCause(status, message);

      _converse.onDisconnected();
    } else if (status === strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].Status.ERROR) {
      _converse.setConnectionStatus(status, __('An error occurred while connecting to the chat server.'));
    } else if (status === strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].Status.CONNECTING) {
      _converse.setConnectionStatus(status);
    } else if (status === strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].Status.AUTHENTICATING) {
      _converse.setConnectionStatus(status);
    } else if (status === strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].Status.AUTHFAIL) {
      if (!message) {
        message = __('Your Jabber ID and/or password is incorrect. Please try again.');
      }

      _converse.setConnectionStatus(status, message);

      _converse.setDisconnectionCause(status, message, true);

      _converse.onDisconnected();
    } else if (status === strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].Status.CONNFAIL) {
      let feedback = message;

      if (message === "host-unknown" || message == "remote-connection-failed") {
        feedback = __("Sorry, we could not connect to the XMPP host with domain: %1$s", `\"${strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].getDomainFromJid(_converse.connection.jid)}\"`);
      } else if (!_lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.isUndefined(message) && message === _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.get(strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"], 'ErrorCondition.NO_AUTH_MECH')) {
        feedback = __("The XMPP server did not offer a supported authentication mechanism");
      }

      _converse.setConnectionStatus(status, feedback);

      _converse.setDisconnectionCause(status, message);
    } else if (status === strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].Status.DISCONNECTING) {
      _converse.setDisconnectionCause(status, message);
    }
  };

  this.incrementMsgCounter = function () {
    this.msg_counter += 1;
    const unreadMsgCount = this.msg_counter;
    let title = document.title;

    if (_lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.isNil(title)) {
      return;
    }

    if (title.search(/^Messages \(\d+\) /) === -1) {
      title = `Messages (${unreadMsgCount}) ${title}`;
    } else {
      title = title.replace(/^Messages \(\d+\) /, `Messages (${unreadMsgCount})`);
    }
  };

  this.clearMsgCounter = function () {
    this.msg_counter = 0;
    let title = document.title;

    if (_lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.isNil(title)) {
      return;
    }

    if (title.search(/^Messages \(\d+\) /) !== -1) {
      title = title.replace(/^Messages \(\d+\) /, "");
    }
  };

  this.initStatus = reconnecting => {
    // If there's no xmppstatus obj, then we were never connected to
    // begin with, so we set reconnecting to false.
    reconnecting = _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.isUndefined(_converse.xmppstatus) ? false : reconnecting;

    if (reconnecting) {
      _converse.onStatusInitialized(reconnecting);
    } else {
      const id = `converse.xmppstatus-${_converse.bare_jid}`;
      this.xmppstatus = new this.XMPPStatus({
        'id': id
      });
      this.xmppstatus.browserStorage = new Backbone.BrowserStorage.session(id);
      this.xmppstatus.fetch({
        'success': _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.partial(_converse.onStatusInitialized, reconnecting),
        'error': _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.partial(_converse.onStatusInitialized, reconnecting)
      });
    }
  };

  this.initSession = function () {
    const id = 'converse.bosh-session';
    _converse.session = new Backbone.Model({
      id
    });
    _converse.session.browserStorage = new Backbone.BrowserStorage.session(id);

    _converse.session.fetch();

    _converse.emit('sessionInitialized');
  };

  this.clearSession = function () {
    if (!_converse.config.get('trusted')) {
      window.localStorage.clear();
      window.sessionStorage.clear();
    } else if (!_lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.isUndefined(this.session) && this.session.browserStorage) {
      this.session.browserStorage._clear();
    }

    _converse.emit('clearSession');
  };

  this.logOut = function () {
    _converse.clearSession();

    _converse.setDisconnectionCause(_converse.LOGOUT, undefined, true);

    if (!_lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.isUndefined(_converse.connection)) {
      _converse.connection.disconnect();
    } else {
      _converse.tearDown();
    } // Recreate all the promises


    _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.each(_lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.keys(_converse.promises), addPromise);

    _converse.emit('logout');
  };

  this.saveWindowState = function (ev) {
    // XXX: eventually we should be able to just use
    // document.visibilityState (when we drop support for older
    // browsers).
    let state;
    const event_map = {
      'focus': "visible",
      'focusin': "visible",
      'pageshow': "visible",
      'blur': "hidden",
      'focusout': "hidden",
      'pagehide': "hidden"
    };
    ev = ev || document.createEvent('Events');

    if (ev.type in event_map) {
      state = event_map[ev.type];
    } else {
      state = document.hidden ? "hidden" : "visible";
    }

    if (state === 'visible') {
      _converse.clearMsgCounter();
    }

    _converse.windowState = state;

    _converse.emit('windowStateChanged', {
      state
    });
  };

  this.registerGlobalEventHandlers = function () {
    document.addEventListener("visibilitychange", _converse.saveWindowState);

    _converse.saveWindowState({
      'type': document.hidden ? "blur" : "focus"
    }); // Set initial state


    _converse.emit('registeredGlobalEventHandlers');
  };

  this.enableCarbons = function () {
    /* Ask the XMPP server to enable Message Carbons
     * See XEP-0280 https://xmpp.org/extensions/xep-0280.html#enabling
     */
    if (!this.message_carbons || this.session.get('carbons_enabled')) {
      return;
    }

    const carbons_iq = new strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].Builder('iq', {
      'from': this.connection.jid,
      'id': 'enablecarbons',
      'type': 'set'
    }).c('enable', {
      xmlns: strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].NS.CARBONS
    });
    this.connection.addHandler(iq => {
      if (iq.querySelectorAll('error').length > 0) {
        _converse.log('An error occurred while trying to enable message carbons.', strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].LogLevel.WARN);
      } else {
        this.session.save({
          'carbons_enabled': true
        });

        _converse.log('Message carbons have been enabled.');
      }
    }, null, "iq", null, "enablecarbons");
    this.connection.send(carbons_iq);
  };

  this.sendInitialPresence = function () {
    if (_converse.send_initial_presence) {
      _converse.xmppstatus.sendPresence();
    }
  };

  this.onStatusInitialized = function (reconnecting) {
    _converse.emit('statusInitialized', reconnecting);

    if (reconnecting) {
      _converse.emit('reconnected');
    } else {
      init_promise.resolve();

      _converse.emit('initialized');

      _converse.emit('connected');
    }
  };

  this.setUserJID = function () {
    _converse.jid = _converse.connection.jid;
    _converse.bare_jid = strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].getBareJidFromJid(_converse.connection.jid);
    _converse.resource = strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].getResourceFromJid(_converse.connection.jid);
    _converse.domain = strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].getDomainFromJid(_converse.connection.jid);

    _converse.emit('setUserJID');
  };

  this.onConnected = function (reconnecting) {
    /* Called as soon as a new connection has been established, either
     * by logging in or by attaching to an existing BOSH session.
     */
    _converse.connection.flush(); // Solves problem of returned PubSub BOSH response not received by browser


    _converse.setUserJID();

    _converse.initSession();

    _converse.enableCarbons();

    _converse.initStatus(reconnecting);
  };

  this.ConnectionFeedback = Backbone.Model.extend({
    defaults: {
      'connection_status': strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].Status.DISCONNECTED,
      'message': ''
    },

    initialize() {
      this.on('change', () => {
        _converse.emit('connfeedback', _converse.connfeedback);
      });
    }

  });
  this.connfeedback = new this.ConnectionFeedback();
  this.XMPPStatus = Backbone.Model.extend({
    defaults() {
      return {
        "jid": _converse.bare_jid,
        "status": _converse.default_state
      };
    },

    initialize() {
      this.vcard = _converse.vcards.findWhere({
        'jid': this.get('jid')
      });

      if (_lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.isNil(this.vcard)) {
        this.vcard = _converse.vcards.create({
          'jid': this.get('jid')
        });
      }

      this.on('change:status', item => {
        const status = this.get('status');
        this.sendPresence(status);

        _converse.emit('statusChanged', status);
      });
      this.on('change:status_message', () => {
        const status_message = this.get('status_message');
        this.sendPresence(this.get('status'), status_message);

        _converse.emit('statusMessageChanged', status_message);
      });
    },

    constructPresence(type, status_message) {
      let presence;
      type = _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.isString(type) ? type : this.get('status') || _converse.default_state;
      status_message = _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.isString(status_message) ? status_message : this.get('status_message'); // Most of these presence types are actually not explicitly sent,
      // but I add all of them here for reference and future proofing.

      if (type === 'unavailable' || type === 'probe' || type === 'error' || type === 'unsubscribe' || type === 'unsubscribed' || type === 'subscribe' || type === 'subscribed') {
        presence = Object(strophe_js__WEBPACK_IMPORTED_MODULE_0__["$pres"])({
          'type': type
        });
      } else if (type === 'offline') {
        presence = Object(strophe_js__WEBPACK_IMPORTED_MODULE_0__["$pres"])({
          'type': 'unavailable'
        });
      } else if (type === 'online') {
        presence = Object(strophe_js__WEBPACK_IMPORTED_MODULE_0__["$pres"])();
      } else {
        presence = Object(strophe_js__WEBPACK_IMPORTED_MODULE_0__["$pres"])().c('show').t(type).up();
      }

      if (status_message) {
        presence.c('status').t(status_message).up();
      }

      presence.c('priority').t(_lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.isNaN(Number(_converse.priority)) ? 0 : _converse.priority).up();

      if (_converse.idle) {
        const idle_since = new Date();
        idle_since.setSeconds(idle_since.getSeconds() - _converse.idle_seconds);
        presence.c('idle', {
          xmlns: strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].NS.IDLE,
          since: idle_since.toISOString()
        });
      }

      return presence;
    },

    sendPresence(type, status_message) {
      _converse.api.send(this.constructPresence(type, status_message));
    }

  });

  this.fetchLoginCredentials = () => new es6_promise_dist_es6_promise_auto__WEBPACK_IMPORTED_MODULE_3___default.a((resolve, reject) => {
    const xhr = new XMLHttpRequest();
    xhr.open('GET', _converse.credentials_url, true);
    xhr.setRequestHeader('Accept', "application/json, text/javascript");

    xhr.onload = function () {
      if (xhr.status >= 200 && xhr.status < 400) {
        const data = JSON.parse(xhr.responseText);
        resolve({
          'jid': data.jid,
          'password': data.password
        });
      } else {
        xhr.onerror();
      }
    };

    xhr.onerror = function () {
      delete _converse.connection;

      _converse.emit('noResumeableSession', this);

      reject(xhr.responseText);
    };

    xhr.send();
  });

  this.startNewBOSHSession = function () {
    const xhr = new XMLHttpRequest();
    xhr.open('GET', _converse.prebind_url, true);
    xhr.setRequestHeader('Accept', "application/json, text/javascript");

    xhr.onload = function () {
      if (xhr.status >= 200 && xhr.status < 400) {
        const data = JSON.parse(xhr.responseText);

        _converse.connection.attach(data.jid, data.sid, data.rid, _converse.onConnectStatusChanged);
      } else {
        xhr.onerror();
      }
    };

    xhr.onerror = function () {
      delete _converse.connection;

      _converse.emit('noResumeableSession', this);
    };

    xhr.send();
  };

  this.restoreBOSHSession = function (jid_is_required) {
    /* Tries to restore a cached BOSH session. */
    if (!this.jid) {
      const msg = "restoreBOSHSession: tried to restore a \"keepalive\" session " + "but we don't have the JID for the user!";

      if (jid_is_required) {
        throw new Error(msg);
      } else {
        _converse.log(msg);
      }
    }

    try {
      this.connection.restore(this.jid, this.onConnectStatusChanged);
      return true;
    } catch (e) {
      _converse.log("Could not restore session for jid: " + this.jid + " Error message: " + e.message, strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].LogLevel.WARN);

      this.clearSession(); // We want to clear presences (see #555)

      return false;
    }
  };

  this.attemptPreboundSession = function (reconnecting) {
    /* Handle session resumption or initialization when prebind is
     * being used.
     */
    if (!reconnecting) {
      if (this.keepalive && this.restoreBOSHSession(true)) {
        return;
      } // No keepalive, or session resumption has failed.


      if (this.jid && this.sid && this.rid) {
        return this.connection.attach(this.jid, this.sid, this.rid, this.onConnectStatusChanged);
      }
    }

    if (this.prebind_url) {
      return this.startNewBOSHSession();
    } else {
      throw new Error("attemptPreboundSession: If you use prebind and not keepalive, " + "then you MUST supply JID, RID and SID values or a prebind_url.");
    }
  };

  this.attemptNonPreboundSession = function (credentials, reconnecting) {
    /* Handle session resumption or initialization when prebind is not being used.
     *
     * Two potential options exist and are handled in this method:
     *  1. keepalive
     *  2. auto_login
     */
    if (!reconnecting && this.keepalive && this.restoreBOSHSession()) {
      return;
    }

    if (credentials) {
      // When credentials are passed in, they override prebinding
      // or credentials fetching via HTTP
      this.autoLogin(credentials);
    } else if (this.auto_login) {
      if (this.credentials_url) {
        this.fetchLoginCredentials().then(this.autoLogin.bind(this), this.autoLogin.bind(this));
      } else if (!this.jid) {
        throw new Error("attemptNonPreboundSession: If you use auto_login, " + "you also need to give either a jid value (and if " + "applicable a password) or you need to pass in a URL " + "from where the username and password can be fetched " + "(via credentials_url).");
      } else {
        this.autoLogin(); // Could be ANONYMOUS or EXTERNAL
      }
    } else if (reconnecting) {
      this.autoLogin();
    }
  };

  this.autoLogin = function (credentials) {
    if (credentials) {
      // If passed in, the credentials come from credentials_url,
      // so we set them on the converse object.
      this.jid = credentials.jid;
    }

    if (this.authentication === _converse.ANONYMOUS || this.authentication === _converse.EXTERNAL) {
      if (!this.jid) {
        throw new Error("Config Error: when using anonymous login " + "you need to provide the server's domain via the 'jid' option. " + "Either when calling converse.initialize, or when calling " + "_converse.api.user.login.");
      }

      if (!this.connection.reconnecting) {
        this.connection.reset();
      }

      this.connection.connect(this.jid.toLowerCase(), null, this.onConnectStatusChanged, BOSH_WAIT);
    } else if (this.authentication === _converse.LOGIN) {
      const password = _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.isNil(credentials) ? _converse.connection.pass || this.password : credentials.password;

      if (!password) {
        if (this.auto_login) {
          throw new Error("initConnection: If you use auto_login and " + "authentication='login' then you also need to provide a password.");
        }

        _converse.setDisconnectionCause(strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].Status.AUTHFAIL, undefined, true);

        _converse.disconnect();

        return;
      }

      const resource = strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].getResourceFromJid(this.jid);

      if (!resource) {
        this.jid = this.jid.toLowerCase() + _converse.generateResource();
      } else {
        this.jid = strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].getBareJidFromJid(this.jid).toLowerCase() + '/' + resource;
      }

      if (!this.connection.reconnecting) {
        this.connection.reset();
      }

      this.connection.connect(this.jid, password, this.onConnectStatusChanged, BOSH_WAIT);
    }
  };

  this.logIn = function (credentials, reconnecting) {
    // We now try to resume or automatically set up a new session.
    // Otherwise the user will be shown a login form.
    if (this.authentication === _converse.PREBIND) {
      this.attemptPreboundSession(reconnecting);
    } else {
      this.attemptNonPreboundSession(credentials, reconnecting);
    }
  };

  this.tearDown = function () {
    /* Remove those views which are only allowed with a valid
     * connection.
     */
    _converse.emit('beforeTearDown');

    if (!_lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.isUndefined(_converse.session)) {
      _converse.session.destroy();
    }

    window.removeEventListener('click', _converse.onUserActivity);
    window.removeEventListener('focus', _converse.onUserActivity);
    window.removeEventListener('keypress', _converse.onUserActivity);
    window.removeEventListener('mousemove', _converse.onUserActivity);
    window.removeEventListener(_converse.unloadevent, _converse.onUserActivity);
    window.clearInterval(_converse.everySecondTrigger);

    _converse.emit('afterTearDown');

    return _converse;
  }; // Initialization
  // --------------
  // This is the end of the initialize method.


  if (settings.connection) {
    this.connection = settings.connection;
  }

  if (!_lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.isUndefined(_converse.connection) && _converse.connection.service === 'jasmine tests') {
    finishInitialization();
    return _converse;
  } else if (_lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.isUndefined(_i18n__WEBPACK_IMPORTED_MODULE_6__["default"])) {
    finishInitialization();
  } else {
    _i18n__WEBPACK_IMPORTED_MODULE_6__["default"].fetchTranslations(_converse.locale, _converse.locales, _converse_headless_utils_core__WEBPACK_IMPORTED_MODULE_11__["default"].interpolate(_converse.locales_url, {
      'locale': _converse.locale
    })).catch(e => _converse.log(e.message, strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].LogLevel.FATAL)).finally(finishInitialization).catch(e => _converse.log(e.message, strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"].LogLevel.FATAL));
  }

  return init_promise;
};
/**
 * ### The private API
 *
 * The private API methods are only accessible via the closured {@link _converse}
 * object, which is only available to plugins.
 *
 * These methods are kept private (i.e. not global) because they may return
 * sensitive data which should be kept off-limits to other 3rd-party scripts
 * that might be running in the page.
 *
 * @namespace _converse.api
 * @memberOf _converse
 */


_converse.api = {
  /**
   * This grouping collects API functions related to the XMPP connection.
   *
   * @namespace _converse.api.connection
   * @memberOf _converse.api
   */
  'connection': {
    /**
     * @method _converse.api.connection.connected
     * @memberOf _converse.api.connection
     * @returns {boolean} Whether there is an established connection or not.
     */
    'connected'() {
      return _converse.connection && _converse.connection.connected || false;
    },

    /**
     * Terminates the connection.
     *
     * @method _converse.api.connection.disconnect
     * @memberOf _converse.api.connection
     */
    'disconnect'() {
      _converse.connection.disconnect();
    }

  },

  /**
   * Lets you emit (i.e. trigger) events, which can be listened to via
   * {@link _converse.api.listen.on} or {@link _converse.api.listen.once}
   * (see [_converse.api.listen](http://localhost:8000/docs/html/api/-_converse.api.listen.html)).
   *
   * @method _converse.api.emit
   */
  'emit'() {
    _converse.emit.apply(_converse, arguments);
  },

  /**
   * This grouping collects API functions related to the current logged in user.
   *
   * @namespace _converse.api.user
   * @memberOf _converse.api
   */
  'user': {
    /**
     * @method _converse.api.user.jid
     * @returns {string} The current user's full JID (Jabber ID)
     * @example _converse.api.user.jid())
     */
    'jid'() {
      return _converse.connection.jid;
    },

    /**
     * Logs the user in.
     *
     * If called without any parameters, Converse will try
     * to log the user in by calling the `prebind_url` or `credentials_url` depending
     * on whether prebinding is used or not.
     *
     * @method _converse.api.user.login
     * @param {object} [credentials] An object with the credentials.
     * @example
     * converse.plugins.add('myplugin', {
     *     initialize: function () {
     *
     *         this._converse.api.user.login({
     *             'jid': 'dummy@example.com',
     *             'password': 'secret'
     *         });
     *
     *     }
     * });
     */
    'login'(credentials) {
      _converse.logIn(credentials);
    },

    /**
     * Logs the user out of the current XMPP session.
     *
     * @method _converse.api.user.logout
     * @example _converse.api.user.logout();
     */
    'logout'() {
      _converse.logOut();
    },

    /**
     * Set and get the user's chat status, also called their *availability*.
     *
     * @namespace _converse.api.user.status
     * @memberOf _converse.api.user
     */
    'status': {
      /** Return the current user's availability status.
       *
       * @method _converse.api.user.status.get
       * @example _converse.api.user.status.get();
       */
      'get'() {
        return _converse.xmppstatus.get('status');
      },

      /**
       * The user's status can be set to one of the following values:
       *
       * @method _converse.api.user.status.set
       * @param {string} value The user's chat status (e.g. 'away', 'dnd', 'offline', 'online', 'unavailable' or 'xa')
       * @param {string} [message] A custom status message
       *
       * @example this._converse.api.user.status.set('dnd');
       * @example this._converse.api.user.status.set('dnd', 'In a meeting');
       */
      'set'(value, message) {
        const data = {
          'status': value
        };

        if (!_lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.includes(_lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.keys(_converse.STATUS_WEIGHTS), value)) {
          throw new Error('Invalid availability value. See https://xmpp.org/rfcs/rfc3921.html#rfc.section.2.2.2.1');
        }

        if (_lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.isString(message)) {
          data.status_message = message;
        }

        _converse.xmppstatus.sendPresence(value);

        _converse.xmppstatus.save(data);
      },

      /**
       * Set and retrieve the user's custom status message.
       *
       * @namespace _converse.api.user.status.message
       * @memberOf _converse.api.user.status
       */
      'message': {
        /**
         * @method _converse.api.user.status.message.get
         * @returns {string} The status message
         * @example const message = _converse.api.user.status.message.get()
         */
        'get'() {
          return _converse.xmppstatus.get('status_message');
        },

        /**
         * @method _converse.api.user.status.message.set
         * @param {string} status The status message
         * @example _converse.api.user.status.message.set('In a meeting');
         */
        'set'(status) {
          _converse.xmppstatus.save({
            'status_message': status
          });
        }

      }
    }
  },

  /**
   * This grouping allows access to the
   * [configuration settings](/docs/html/configuration.html#configuration-settings)
   * of Converse.
   *
   * @namespace _converse.api.settings
   * @memberOf _converse.api
   */
  'settings': {
    /**
     * Allows new configuration settings to be specified, or new default values for
     * existing configuration settings to be specified.
     *
     * @method _converse.api.settings.update
     * @param {object} settings The configuration settings
     * @example
     * _converse.api.settings.update({
     *    'enable_foo': true
     * });
     *
     * // The user can then override the default value of the configuration setting when
     * // calling `converse.initialize`.
     * converse.initialize({
     *     'enable_foo': false
     * });
     */
    'update'(settings) {
      _converse_headless_utils_core__WEBPACK_IMPORTED_MODULE_11__["default"].merge(_converse.default_settings, settings);
      _converse_headless_utils_core__WEBPACK_IMPORTED_MODULE_11__["default"].merge(_converse, settings);
      _converse_headless_utils_core__WEBPACK_IMPORTED_MODULE_11__["default"].applyUserSettings(_converse, settings, _converse.user_settings);
    },

    /**
     * @method _converse.api.settings.get
     * @returns {*} Value of the particular configuration setting.
     * @example _converse.api.settings.get("play_sounds");
     */
    'get'(key) {
      if (_lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.includes(_lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.keys(_converse.default_settings), key)) {
        return _converse[key];
      }
    },

    /**
     * Set one or many configuration settings.
     *
     * Note, this is not an alternative to calling {@link converse.initialize}, which still needs
     * to be called. Generally, you'd use this method after Converse is already
     * running and you want to change the configuration on-the-fly.
     *
     * @method _converse.api.settings.set
     * @param {Object} [settings] An object containing configuration settings.
     * @param {string} [key] Alternatively to passing in an object, you can pass in a key and a value.
     * @param {string} [value]
     * @example _converse.api.settings.set("play_sounds", true);
     * @example
     * _converse.api.settings.set({
     *     "play_sounds", true,
     *     "hide_offline_users" true
     * });
     */
    'set'(key, val) {
      const o = {};

      if (_lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.isObject(key)) {
        _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.assignIn(_converse, _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.pick(key, _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.keys(_converse.default_settings)));
      } else if (_lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.isString("string")) {
        o[key] = val;

        _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.assignIn(_converse, _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.pick(o, _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.keys(_converse.default_settings)));
      }
    }

  },

  /**
   * Converse and its plugins emit various events which you can listen to via the
   * {@link _converse.api.listen} namespace.
   *
   * Some of these events are also available as [ES2015 Promises](http://es6-features.org/#PromiseUsage)
   * although not all of them could logically act as promises, since some events
   * might be fired multpile times whereas promises are to be resolved (or
   * rejected) only once.
   *
   * Events which are also promises include:
   *
   * * [cachedRoster](/docs/html/events.html#cachedroster)
   * * [chatBoxesFetched](/docs/html/events.html#chatBoxesFetched)
   * * [pluginsInitialized](/docs/html/events.html#pluginsInitialized)
   * * [roster](/docs/html/events.html#roster)
   * * [rosterContactsFetched](/docs/html/events.html#rosterContactsFetched)
   * * [rosterGroupsFetched](/docs/html/events.html#rosterGroupsFetched)
   * * [rosterInitialized](/docs/html/events.html#rosterInitialized)
   * * [statusInitialized](/docs/html/events.html#statusInitialized)
   * * [roomsPanelRendered](/docs/html/events.html#roomsPanelRendered)
   *
   * The various plugins might also provide promises, and they do this by using the
   * `promises.add` api method.
   *
   * @namespace _converse.api.promises
   * @memberOf _converse.api
   */
  'promises': {
    /**
     * By calling `promises.add`, a new [Promise](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise)
     * is made available for other code or plugins to depend on via the
     * {@link _converse.api.waitUntil} method.
     *
     * Generally, it's the responsibility of the plugin which adds the promise to
     * also resolve it.
     *
     * This is done by calling {@link _converse.api.emit}, which not only resolves the
     * promise, but also emits an event with the same name (which can be listened to
     * via {@link _converse.api.listen}).
     *
     * @method _converse.api.promises.add
     * @param {string|array} [name|names] The name or an array of names for the promise(s) to be added
     * @example _converse.api.promises.add('foo-completed');
     */
    'add'(promises) {
      promises = _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.isArray(promises) ? promises : [promises];

      _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.each(promises, addPromise);
    }

  },

  /**
   * This namespace lets you access the BOSH tokens
   *
   * @namespace _converse.api.tokens
   * @memberOf _converse.api
   */
  'tokens': {
    /**
     * @method _converse.api.tokens.get
     * @param {string} [id] The type of token to return ('rid' or 'sid').
     * @returns 'string' A token, either the RID or SID token depending on what's asked for.
     * @example _converse.api.tokens.get('rid');
     */
    'get'(id) {
      if (!_converse.expose_rid_and_sid || _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.isUndefined(_converse.connection)) {
        return null;
      }

      if (id.toLowerCase() === 'rid') {
        return _converse.connection.rid || _converse.connection._proto.rid;
      } else if (id.toLowerCase() === 'sid') {
        return _converse.connection.sid || _converse.connection._proto.sid;
      }
    }

  },

  /**
   * Converse emits events to which you can subscribe to.
   *
   * The `listen` namespace exposes methods for creating event listeners
   * (aka handlers) for these events.
   *
   * @namespace _converse.api.listen
   * @memberOf _converse
   */
  'listen': {
    /**
     * Lets you listen to an event exactly once.
     *
     * @method _converse.api.listen.once
     * @param {string} name The event's name
     * @param {function} callback The callback method to be called when the event is emitted.
     * @param {object} [context] The value of the `this` parameter for the callback.
     * @example _converse.api.listen.once('message', function (messageXML) { ... });
     */
    'once': _converse.once.bind(_converse),

    /**
     * Lets you subscribe to an event.
     *
     * Every time the event fires, the callback method specified by `callback` will be called.
     *
     * @method _converse.api.listen.on
     * @param {string} name The event's name
     * @param {function} callback The callback method to be called when the event is emitted.
     * @param {object} [context] The value of the `this` parameter for the callback.
     * @example _converse.api.listen.on('message', function (messageXML) { ... });
     */
    'on': _converse.on.bind(_converse),

    /**
     * To stop listening to an event, you can use the `not` method.
     *
     * Every time the event fires, the callback method specified by `callback` will be called.
     *
     * @method _converse.api.listen.not
     * @param {string} name The event's name
     * @param {function} callback The callback method that is to no longer be called when the event fires
     * @example _converse.api.listen.not('message', function (messageXML);
     */
    'not': _converse.off.bind(_converse),

    /**
     * Subscribe to an incoming stanza
     *
     * Every a matched stanza is received, the callback method specified by `callback` will be called.
     *
     * @method _converse.api.listen.stanza
     * @param {string} name The stanza's name
     * @param {object} options Matching options
     * (e.g. 'ns' for namespace, 'type' for stanza type, also 'id' and 'from');
     * @param {function} handler The callback method to be called when the stanza appears
     */
    'stanza'(name, options, handler) {
      if (_lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.isFunction(options)) {
        handler = options;
        options = {};
      } else {
        options = options || {};
      }

      _converse.connection.addHandler(handler, options.ns, name, options.type, options.id, options.from, options);
    }

  },

  /**
   * Wait until a promise is resolved
   *
   * @method _converse.api.waitUntil
   * @param {string} name The name of the promise
   * @returns {Promise}
   */
  'waitUntil'(name) {
    const promise = _converse.promises[name];

    if (_lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.isUndefined(promise)) {
      return null;
    }

    return promise;
  },

  /**
   * Allows you to send XML stanzas.
   *
   * @method _converse.api.send
   * @example
   * const msg = converse.env.$msg({
   *     'from': 'juliet@example.com/balcony',
   *     'to': 'romeo@example.net',
   *     'type':'chat'
   * });
   * _converse.api.send(msg);
   */
  'send'(stanza) {
    _converse.connection.send(stanza);

    _converse.emit('send', stanza);
  },

  /**
   * Send an IQ stanza and receive a promise
   *
   * @method _converse.api.sendIQ
   * @returns {Promise} A promise which resolves when we receive a `result` stanza
   * or is rejected when we receive an `error` stanza.
   */
  'sendIQ'(stanza, timeout) {
    return new es6_promise_dist_es6_promise_auto__WEBPACK_IMPORTED_MODULE_3___default.a((resolve, reject) => {
      _converse.connection.sendIQ(stanza, resolve, reject, timeout || _converse.IQ_TIMEOUT);

      _converse.emit('send', stanza);
    });
  }

};
/**
 * ### The Public API
 *
 * This namespace contains public API methods which are are
 * accessible on the global `converse` object.
 * They are public, because any JavaScript in the
 * page can call them. Public methods therefore don’t expose any sensitive
 * or closured data. To do that, you’ll need to create a plugin, which has
 * access to the private API method.
 *
 * @namespace converse
 */

const converse = {
  /**
   * Public API method which initializes Converse.
   * This method must always be called when using Converse.
   *
   * @memberOf converse
   * @method initialize
   * @param {object} config A map of [configuration-settings](https://conversejs.org/docs/html/configuration.html#configuration-settings).
   *
   * @example
   * converse.initialize({
   *     auto_list_rooms: false,
   *     auto_subscribe: false,
   *     bosh_service_url: 'https://bind.example.com',
   *     hide_muc_server: false,
   *     i18n: locales['en'],
   *     keepalive: true,
   *     play_sounds: true,
   *     prebind: false,
   *     show_controlbox_by_default: true,
   *     debug: false,
   *     roster_groups: true
   * });
   */
  'initialize'(settings, callback) {
    return _converse.initialize(settings, callback);
  },

  /**
   * Exposes methods for adding and removing plugins. You'll need to write a plugin
   * if you want to have access to the private API methods defined further down below.
   *
   * For more information on plugins, read the documentation on [writing a plugin](/docs/html/plugin_development.html).
   *
   * @namespace plugins
   * @memberOf converse
   */
  'plugins': {
    /** Registers a new plugin.
     *
     * @method converse.plugins.add
     * @param {string} name The name of the plugin
     * @param {object} plugin The plugin object
     *
     * @example
     *
     *  const plugin = {
     *      initialize: function () {
     *          // Gets called as soon as the plugin has been loaded.
     *
     *          // Inside this method, you have access to the private
     *          // API via `_covnerse.api`.
     *
     *          // The private _converse object contains the core logic
     *          // and data-structures of Converse.
     *      }
     *  }
     *  converse.plugins.add('myplugin', plugin);
     */
    'add'(name, plugin) {
      plugin.__name__ = name;

      if (!_lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a.isUndefined(_converse.pluggable.plugins[name])) {
        throw new TypeError(`Error: plugin with name "${name}" has already been ` + 'registered!');
      } else {
        _converse.pluggable.plugins[name] = plugin;
      }
    }

  },

  /**
   * Utility methods and globals from bundled 3rd party libraries.
   * @memberOf converse
   *
   * @property {function} converse.env.$build    - Creates a Strophe.Builder, for creating stanza objects.
   * @property {function} converse.env.$iq       - Creates a Strophe.Builder with an <iq/> element as the root.
   * @property {function} converse.env.$msg      - Creates a Strophe.Builder with an <message/> element as the root.
   * @property {function} converse.env.$pres     - Creates a Strophe.Builder with an <presence/> element as the root.
   * @property {object} converse.env.Backbone    - The [Backbone](http://backbonejs.org) object used by Converse to create models and views.
   * @property {function} converse.env.Promise   - The Promise implementation used by Converse.
   * @property {function} converse.env.Strophe   - The [Strophe](http://strophe.im/strophejs) XMPP library used by Converse.
   * @property {object} converse.env._           - The instance of [lodash](http://lodash.com) used by Converse.
   * @property {function} converse.env.f         - And instance of Lodash with its methods wrapped to produce immutable auto-curried iteratee-first data-last methods.
   * @property {function} converse.env.b64_sha1  - Utility method from Strophe for creating base64 encoded sha1 hashes.
   * @property {object} converse.env.moment      - [Moment](https://momentjs.com) date manipulation library.
   * @property {function} converse.env.sizzle    - [Sizzle](https://sizzlejs.com) CSS selector engine.
   * @property {object} converse.env.utils       - Module containing common utility methods used by Converse.
   */
  'env': {
    '$build': strophe_js__WEBPACK_IMPORTED_MODULE_0__["$build"],
    '$iq': strophe_js__WEBPACK_IMPORTED_MODULE_0__["$iq"],
    '$msg': strophe_js__WEBPACK_IMPORTED_MODULE_0__["$msg"],
    '$pres': strophe_js__WEBPACK_IMPORTED_MODULE_0__["$pres"],
    'Backbone': Backbone,
    'Promise': es6_promise_dist_es6_promise_auto__WEBPACK_IMPORTED_MODULE_3___default.a,
    'Strophe': strophe_js__WEBPACK_IMPORTED_MODULE_0__["Strophe"],
    '_': _lodash_noconflict__WEBPACK_IMPORTED_MODULE_4___default.a,
    'f': _lodash_fp__WEBPACK_IMPORTED_MODULE_5___default.a,
    'b64_sha1': b64_sha1,
    'moment': moment__WEBPACK_IMPORTED_MODULE_7___default.a,
    'sizzle': sizzle__WEBPACK_IMPORTED_MODULE_10___default.a,
    'utils': _converse_headless_utils_core__WEBPACK_IMPORTED_MODULE_11__["default"]
  }
};
window.converse = converse;
window.dispatchEvent(new CustomEvent('converse-loaded'));
/* harmony default export */ __webpack_exports__["default"] = (converse);

/***/ }),

/***/ "./src/headless/converse-disco.js":
/*!****************************************!*\
  !*** ./src/headless/converse-disco.js ***!
  \****************************************/
/*! no exports provided */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var _converse_core__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./converse-core */ "./src/headless/converse-core.js");
/* harmony import */ var sizzle__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! sizzle */ "./node_modules/sizzle/dist/sizzle.js");
/* harmony import */ var sizzle__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(sizzle__WEBPACK_IMPORTED_MODULE_1__);
// Converse.js
// http://conversejs.org
//
// Copyright (c) 2013-2018, the Converse developers
// Licensed under the Mozilla Public License (MPLv2)

/* This is a Converse plugin which add support for XEP-0030: Service Discovery */


const _converse$env = _converse_core__WEBPACK_IMPORTED_MODULE_0__["default"].env,
      Backbone = _converse$env.Backbone,
      Promise = _converse$env.Promise,
      Strophe = _converse$env.Strophe,
      $iq = _converse$env.$iq,
      b64_sha1 = _converse$env.b64_sha1,
      utils = _converse$env.utils,
      _ = _converse$env._,
      f = _converse$env.f;
_converse_core__WEBPACK_IMPORTED_MODULE_0__["default"].plugins.add('converse-disco', {
  initialize() {
    /* The initialize function gets called as soon as the plugin is
     * loaded by converse.js's plugin machinery.
     */
    const _converse = this._converse; // Promises exposed by this plugin

    _converse.api.promises.add('discoInitialized');

    _converse.DiscoEntity = Backbone.Model.extend({
      /* A Disco Entity is a JID addressable entity that can be queried
       * for features.
       *
       * See XEP-0030: https://xmpp.org/extensions/xep-0030.html
       */
      idAttribute: 'jid',

      initialize() {
        this.waitUntilFeaturesDiscovered = utils.getResolveablePromise();
        this.dataforms = new Backbone.Collection();
        this.dataforms.browserStorage = new Backbone.BrowserStorage.session(b64_sha1(`converse.dataforms-{this.get('jid')}`));
        this.features = new Backbone.Collection();
        this.features.browserStorage = new Backbone.BrowserStorage.session(b64_sha1(`converse.features-${this.get('jid')}`));
        this.features.on('add', this.onFeatureAdded, this);
        this.fields = new Backbone.Collection();
        this.fields.browserStorage = new Backbone.BrowserStorage.session(b64_sha1(`converse.fields-${this.get('jid')}`));
        this.fields.on('add', this.onFieldAdded, this);
        this.identities = new Backbone.Collection();
        this.identities.browserStorage = new Backbone.BrowserStorage.session(b64_sha1(`converse.identities-${this.get('jid')}`));
        this.fetchFeatures();
        this.items = new _converse.DiscoEntities();
        this.items.browserStorage = new Backbone.BrowserStorage.session(b64_sha1(`converse.disco-items-${this.get('jid')}`));
        this.items.fetch();
      },

      async getIdentity(category, type) {
        /* Returns a Promise which resolves with a map indicating
         * whether a given identity is provided by this entity.
         *
         * Parameters:
         *    (String) category - The identity category
         *    (String) type - The identity type
         */
        await this.waitUntilFeaturesDiscovered;
        return this.identities.findWhere({
          'category': category,
          'type': type
        });
      },

      hasFeature(feature) {
        /* Returns a Promise which resolves with a map indicating
         * whether a given feature is supported.
         *
         * Parameters:
         *    (String) feature - The feature that might be supported.
         */
        const entity = this;
        return new Promise((resolve, reject) => {
          function fulfillPromise() {
            if (entity.features.findWhere({
              'var': feature
            })) {
              resolve(entity);
            } else {
              resolve();
            }
          }

          entity.waitUntilFeaturesDiscovered.then(fulfillPromise).catch(_.partial(_converse.log, _, Strophe.LogLevel.FATAL));
        });
      },

      onFeatureAdded(feature) {
        feature.entity = this;

        _converse.emit('serviceDiscovered', feature);
      },

      onFieldAdded(field) {
        field.entity = this;

        _converse.emit('discoExtensionFieldDiscovered', field);
      },

      fetchFeatures() {
        if (this.features.browserStorage.records.length === 0) {
          this.queryInfo();
        } else {
          this.features.fetch({
            add: true,
            success: () => {
              this.waitUntilFeaturesDiscovered.resolve(this);
              this.trigger('featuresDiscovered');
            }
          });
          this.identities.fetch({
            add: true
          });
        }
      },

      async queryInfo() {
        try {
          const stanza = await _converse.api.disco.info(this.get('jid'), null);
          this.onInfo(stanza);
        } catch (iq) {
          this.waitUntilFeaturesDiscovered.reject(iq);

          _converse.log(iq, Strophe.LogLevel.ERROR);
        }
      },

      onDiscoItems(stanza) {
        _.each(sizzle__WEBPACK_IMPORTED_MODULE_1___default()(`query[xmlns="${Strophe.NS.DISCO_ITEMS}"] item`, stanza), item => {
          if (item.getAttribute("node")) {
            // XXX: ignore nodes for now.
            // See: https://xmpp.org/extensions/xep-0030.html#items-nodes
            return;
          }

          const jid = item.getAttribute('jid');

          if (_.isUndefined(this.items.get(jid))) {
            const entity = _converse.disco_entities.get(jid);

            if (entity) {
              this.items.add(entity);
            } else {
              this.items.create({
                'jid': jid
              });
            }
          }
        });
      },

      async queryForItems() {
        if (_.isEmpty(this.identities.where({
          'category': 'server'
        }))) {
          // Don't fetch features and items if this is not a
          // server or a conference component.
          return;
        }

        const stanza = await _converse.api.disco.items(this.get('jid'));
        this.onDiscoItems(stanza);
      },

      onInfo(stanza) {
        _.forEach(stanza.querySelectorAll('identity'), identity => {
          this.identities.create({
            'category': identity.getAttribute('category'),
            'type': identity.getAttribute('type'),
            'name': identity.getAttribute('name')
          });
        });

        _.each(sizzle__WEBPACK_IMPORTED_MODULE_1___default()(`x[type="result"][xmlns="${Strophe.NS.XFORM}"]`, stanza), form => {
          const data = {};

          _.each(form.querySelectorAll('field'), field => {
            data[field.getAttribute('var')] = {
              'value': _.get(field.querySelector('value'), 'textContent'),
              'type': field.getAttribute('type')
            };
          });

          this.dataforms.create(data);
        });

        if (stanza.querySelector(`feature[var="${Strophe.NS.DISCO_ITEMS}"]`)) {
          this.queryForItems();
        }

        _.forEach(stanza.querySelectorAll('feature'), feature => {
          this.features.create({
            'var': feature.getAttribute('var'),
            'from': stanza.getAttribute('from')
          });
        }); // XEP-0128 Service Discovery Extensions


        _.forEach(sizzle__WEBPACK_IMPORTED_MODULE_1___default()('x[type="result"][xmlns="jabber:x:data"] field', stanza), field => {
          this.fields.create({
            'var': field.getAttribute('var'),
            'value': _.get(field.querySelector('value'), 'textContent'),
            'from': stanza.getAttribute('from')
          });
        });

        this.waitUntilFeaturesDiscovered.resolve(this);
        this.trigger('featuresDiscovered');
      }

    });
    _converse.DiscoEntities = Backbone.Collection.extend({
      model: _converse.DiscoEntity,

      fetchEntities() {
        return new Promise((resolve, reject) => {
          this.fetch({
            add: true,
            success: resolve,

            error() {
              reject(new Error("Could not fetch disco entities"));
            }

          });
        });
      }

    });

    function addClientFeatures() {
      // See http://xmpp.org/registrar/disco-categories.html
      _converse.api.disco.own.identities.add('client', 'web', 'Converse');

      _converse.api.disco.own.features.add(Strophe.NS.BOSH);

      _converse.api.disco.own.features.add(Strophe.NS.CHATSTATES);

      _converse.api.disco.own.features.add(Strophe.NS.DISCO_INFO);

      _converse.api.disco.own.features.add(Strophe.NS.ROSTERX); // Limited support


      if (_converse.message_carbons) {
        _converse.api.disco.own.features.add(Strophe.NS.CARBONS);
      }

      _converse.emit('addClientFeatures');

      return this;
    }

    function initStreamFeatures() {
      _converse.stream_features = new Backbone.Collection();
      _converse.stream_features.browserStorage = new Backbone.BrowserStorage.session(b64_sha1(`converse.stream-features-${_converse.bare_jid}`));

      _converse.stream_features.fetch({
        success(collection) {
          if (collection.length === 0 && _converse.connection.features) {
            _.forEach(_converse.connection.features.childNodes, feature => {
              _converse.stream_features.create({
                'name': feature.nodeName,
                'xmlns': feature.getAttribute('xmlns')
              });
            });
          }
        }

      });

      _converse.emit('streamFeaturesAdded');
    }

    async function initializeDisco() {
      addClientFeatures();

      _converse.connection.addHandler(onDiscoInfoRequest, Strophe.NS.DISCO_INFO, 'iq', 'get', null, null);

      _converse.disco_entities = new _converse.DiscoEntities();
      _converse.disco_entities.browserStorage = new Backbone.BrowserStorage.session(b64_sha1(`converse.disco-entities-${_converse.bare_jid}`));
      const collection = await _converse.disco_entities.fetchEntities();

      if (collection.length === 0 || !collection.get(_converse.domain)) {
        // If we don't have an entity for our own XMPP server,
        // create one.
        _converse.disco_entities.create({
          'jid': _converse.domain
        });
      }

      _converse.emit('discoInitialized');
    }

    _converse.api.listen.on('sessionInitialized', initStreamFeatures);

    _converse.api.listen.on('reconnected', initializeDisco);

    _converse.api.listen.on('connected', initializeDisco);

    _converse.api.listen.on('beforeTearDown', () => {
      if (_converse.disco_entities) {
        _converse.disco_entities.each(entity => {
          entity.features.reset();

          entity.features.browserStorage._clear();
        });

        _converse.disco_entities.reset();

        _converse.disco_entities.browserStorage._clear();
      }
    });

    const plugin = this;
    plugin._identities = [];
    plugin._features = [];

    function onDiscoInfoRequest(stanza) {
      const node = stanza.getElementsByTagName('query')[0].getAttribute('node');
      const attrs = {
        xmlns: Strophe.NS.DISCO_INFO
      };

      if (node) {
        attrs.node = node;
      }

      const iqresult = $iq({
        'type': 'result',
        'id': stanza.getAttribute('id')
      });
      const from = stanza.getAttribute('from');

      if (from !== null) {
        iqresult.attrs({
          'to': from
        });
      }

      iqresult.c('query', attrs);

      _.each(plugin._identities, identity => {
        const attrs = {
          'category': identity.category,
          'type': identity.type
        };

        if (identity.name) {
          attrs.name = identity.name;
        }

        if (identity.lang) {
          attrs['xml:lang'] = identity.lang;
        }

        iqresult.c('identity', attrs).up();
      });

      _.each(plugin._features, feature => {
        iqresult.c('feature', {
          'var': feature
        }).up();
      });

      _converse.api.send(iqresult.tree());

      return true;
    }

    _.extend(_converse.api, {
      /**
       * The XEP-0030 service discovery API
       *
       * This API lets you discover information about entities on the
       * XMPP network.
       *
       * @namespace _converse.api.disco
       * @memberOf _converse.api
       */
      'disco': {
        /**
         * @namespace _converse.api.disco.stream
         * @memberOf _converse.api.disco
         */
        'stream': {
          /**
           * @method _converse.api.disco.stream.getFeature
           * @param {String} name The feature name
           * @param {String} xmlns The XML namespace
           * @example _converse.api.disco.stream.getFeature('ver', 'urn:xmpp:features:rosterver')
           */
          'getFeature': function getFeature(name, xmlns) {
            if (_.isNil(name) || _.isNil(xmlns)) {
              throw new Error("name and xmlns need to be provided when calling disco.stream.getFeature");
            }

            return _converse.stream_features.findWhere({
              'name': name,
              'xmlns': xmlns
            });
          }
        },

        /**
         * @namespace _converse.api.disco.own
         * @memberOf _converse.api.disco
         */
        'own': {
          /**
           * @namespace _converse.api.disco.own.identities
           * @memberOf _converse.api.disco.own
           */
          'identities': {
            /**
             * Lets you add new identities for this client (i.e. instance of Converse)
             * @method _converse.api.disco.own.identities.add
             *
             * @param {String} category - server, client, gateway, directory, etc.
             * @param {String} type - phone, pc, web, etc.
             * @param {String} name - "Converse"
             * @param {String} lang - en, el, de, etc.
             *
             * @example _converse.api.disco.own.identities.clear();
             */
            add(category, type, name, lang) {
              for (var i = 0; i < plugin._identities.length; i++) {
                if (plugin._identities[i].category == category && plugin._identities[i].type == type && plugin._identities[i].name == name && plugin._identities[i].lang == lang) {
                  return false;
                }
              }

              plugin._identities.push({
                category: category,
                type: type,
                name: name,
                lang: lang
              });
            },

            /**
             * Clears all previously registered identities.
             * @method _converse.api.disco.own.identities.clear
             * @example _converse.api.disco.own.identities.clear();
             */
            clear() {
              plugin._identities = [];
            },

            /**
             * Returns all of the identities registered for this client
             * (i.e. instance of Converse).
             * @method _converse.api.disco.identities.get
             * @example const identities = _converse.api.disco.own.identities.get();
             */
            get() {
              return plugin._identities;
            }

          },

          /**
           * @namespace _converse.api.disco.own.features
           * @memberOf _converse.api.disco.own
           */
          'features': {
            /**
             * Lets you register new disco features for this client (i.e. instance of Converse)
             * @method _converse.api.disco.own.features.add
             * @param {String} name - e.g. http://jabber.org/protocol/caps
             * @example _converse.api.disco.own.features.add("http://jabber.org/protocol/caps");
             */
            add(name) {
              for (var i = 0; i < plugin._features.length; i++) {
                if (plugin._features[i] == name) {
                  return false;
                }
              }

              plugin._features.push(name);
            },

            /**
             * Clears all previously registered features.
             * @method _converse.api.disco.own.features.clear
             * @example _converse.api.disco.own.features.clear();
             */
            clear() {
              plugin._features = [];
            },

            /**
             * Returns all of the features registered for this client (i.e. instance of Converse).
             * @method _converse.api.disco.own.features.get
             * @example const features = _converse.api.disco.own.features.get();
             */
            get() {
              return plugin._features;
            }

          }
        },

        /**
         * Query for information about an XMPP entity
         *
         * @method _converse.api.disco.info
         * @param {string} jid The Jabber ID of the entity to query
         * @param {string} [node] A specific node identifier associated with the JID
         * @returns {promise} Promise which resolves once we have a result from the server.
         */
        'info'(jid, node) {
          const attrs = {
            xmlns: Strophe.NS.DISCO_INFO
          };

          if (node) {
            attrs.node = node;
          }

          const info = $iq({
            'from': _converse.connection.jid,
            'to': jid,
            'type': 'get'
          }).c('query', attrs);
          return _converse.api.sendIQ(info);
        },

        /**
         * Query for items associated with an XMPP entity
         *
         * @method _converse.api.disco.items
         * @param {string} jid The Jabber ID of the entity to query for items
         * @param {string} [node] A specific node identifier associated with the JID
         * @returns {promise} Promise which resolves once we have a result from the server.
         */
        'items'(jid, node) {
          const attrs = {
            'xmlns': Strophe.NS.DISCO_ITEMS
          };

          if (node) {
            attrs.node = node;
          }

          return _converse.api.sendIQ($iq({
            'from': _converse.connection.jid,
            'to': jid,
            'type': 'get'
          }).c('query', attrs));
        },

        /**
         * Namespace for methods associated with disco entities
         *
         * @namespace _converse.api.disco.entities
         * @memberOf _converse.api.disco
         */
        'entities': {
          /**
           * Get the the corresponding `DiscoEntity` instance.
           *
           * @method _converse.api.disco.entities.get
           * @param {string} jid The Jabber ID of the entity
           * @param {boolean} [create] Whether the entity should be created if it doesn't exist.
           * @example _converse.api.disco.entities.get(jid);
           */
          async 'get'(jid, create = false) {
            await _converse.api.waitUntil('discoInitialized');

            if (_.isNil(jid)) {
              return _converse.disco_entities;
            }

            const entity = _converse.disco_entities.get(jid);

            if (entity || !create) {
              return entity;
            }

            return _converse.disco_entities.create({
              'jid': jid
            });
          }

        },

        /**
         * Used to determine whether an entity supports a given feature.
         *
         * @method _converse.api.disco.supports
         * @param {string} feature The feature that might be
         *     supported. In the XML stanza, this is the `var`
         *     attribute of the `<feature>` element. For
         *     example: `http://jabber.org/protocol/muc`
         * @param {string} jid The JID of the entity
         *     (and its associated items) which should be queried
         * @returns {promise} A promise which resolves with a list containing
         *     _converse.Entity instances representing the entity
         *     itself or those items associated with the entity if
         *     they support the given feature.
         *
         * @example
         * _converse.api.disco.supports(Strophe.NS.MAM, _converse.bare_jid)
         * .then(value => {
         *     // `value` is a map with two keys, `supported` and `feature`.
         *     if (value.supported) {
         *         // The feature is supported
         *     } else {
         *         // The feature is not supported
         *     }
         * }).catch(() => {
         *     _converse.log(
         *         "Error or timeout while checking for feature support",
         *         Strophe.LogLevel.ERROR
         *     );
         * });
         */
        async 'supports'(feature, jid) {
          if (_.isNil(jid)) {
            throw new TypeError('api.disco.supports: You need to provide an entity JID');
          }

          await _converse.api.waitUntil('discoInitialized');
          let entity = await _converse.api.disco.entities.get(jid, true);
          entity = await entity.waitUntilFeaturesDiscovered;

          const promises = _.concat(entity.items.map(item => item.hasFeature(feature)), entity.hasFeature(feature));

          const result = await Promise.all(promises);
          return f.filter(f.isObject, result);
        },

        /**
         * Refresh the features (and fields and identities) associated with a
         * disco entity by refetching them from the server
         *
         * @method _converse.api.disco.refreshFeatures
         * @param {string} jid The JID of the entity whose features are refreshed.
         * @returns {promise} A promise which resolves once the features have been refreshed
         * @example
         * await _converse.api.disco.refreshFeatures('room@conference.example.org');
         */
        async 'refreshFeatures'(jid) {
          if (_.isNil(jid)) {
            throw new TypeError('api.disco.refreshFeatures: You need to provide an entity JID');
          }

          await _converse.api.waitUntil('discoInitialized');
          const entity = await _converse.api.disco.entities.get(jid, true);
          entity.features.reset();
          entity.fields.reset();
          entity.identities.reset();
          entity.waitUntilFeaturesDiscovered = utils.getResolveablePromise();
          entity.queryInfo();
          return entity.waitUntilFeaturesDiscovered;
        },

        /**
         * Return all the features associated with a disco entity
         *
         * @method _converse.api.disco.getFeatures
         * @param {string} jid The JID of the entity whose features are returned.
         * @returns {promise} A promise which resolves with the returned features
         * @example
         * const features = await _converse.api.disco.getFeatures('room@conference.example.org');
         */
        async 'getFeatures'(jid) {
          if (_.isNil(jid)) {
            throw new TypeError('api.disco.getFeatures: You need to provide an entity JID');
          }

          await _converse.api.waitUntil('discoInitialized');
          let entity = await _converse.api.disco.entities.get(jid, true);
          entity = await entity.waitUntilFeaturesDiscovered;
          return entity.features;
        },

        /**
         * Return all the service discovery extensions fields
         * associated with an entity.
         *
         * See [XEP-0129: Service Discovery Extensions](https://xmpp.org/extensions/xep-0128.html)
         *
         * @method _converse.api.disco.getFields
         * @param {string} jid The JID of the entity whose fields are returned.
         * @example
         * const fields = await _converse.api.disco.getFields('room@conference.example.org');
         */
        async 'getFields'(jid) {
          if (_.isNil(jid)) {
            throw new TypeError('api.disco.getFields: You need to provide an entity JID');
          }

          await _converse.api.waitUntil('discoInitialized');
          let entity = await _converse.api.disco.entities.get(jid, true);
          entity = await entity.waitUntilFeaturesDiscovered;
          return entity.fields;
        },

        /**
         * Get the identity (with the given category and type) for a given disco entity.
         *
         * For example, when determining support for PEP (personal eventing protocol), you
         * want to know whether the user's own JID has an identity with
         * `category='pubsub'` and `type='pep'` as explained in this section of
         * XEP-0163: https://xmpp.org/extensions/xep-0163.html#support
         *
         * @method _converse.api.disco.getIdentity
         * @param {string} The identity category.
         *     In the XML stanza, this is the `category`
         *     attribute of the `<identity>` element.
         *     For example: 'pubsub'
         * @param {string} type The identity type.
         *     In the XML stanza, this is the `type`
         *     attribute of the `<identity>` element.
         *     For example: 'pep'
         * @param {string} jid The JID of the entity which might have the identity
         * @returns {promise} A promise which resolves with a map indicating
         *     whether an identity with a given type is provided by the entity.
         * @example
         * _converse.api.disco.getIdentity('pubsub', 'pep', _converse.bare_jid).then(
         *     function (identity) {
         *         if (_.isNil(identity)) {
         *             // The entity DOES NOT have this identity
         *         } else {
         *             // The entity DOES have this identity
         *         }
         *     }
         * ).catch(_.partial(_converse.log, _, Strophe.LogLevel.FATAL));
         */
        async 'getIdentity'(category, type, jid) {
          const e = await _converse.api.disco.entities.get(jid, true);
          return e.getIdentity(category, type);
        }

      }
    });
  }

});

/***/ }),

/***/ "./src/headless/converse-mam.js":
/*!**************************************!*\
  !*** ./src/headless/converse-mam.js ***!
  \**************************************/
/*! no exports provided */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var _converse_disco__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./converse-disco */ "./src/headless/converse-disco.js");
/* harmony import */ var strophejs_plugin_rsm__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! strophejs-plugin-rsm */ "./node_modules/strophejs-plugin-rsm/lib/strophe.rsm.js");
/* harmony import */ var strophejs_plugin_rsm__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(strophejs_plugin_rsm__WEBPACK_IMPORTED_MODULE_1__);
/* harmony import */ var _converse_core__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./converse-core */ "./src/headless/converse-core.js");
/* harmony import */ var sizzle__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! sizzle */ "./node_modules/sizzle/dist/sizzle.js");
/* harmony import */ var sizzle__WEBPACK_IMPORTED_MODULE_3___default = /*#__PURE__*/__webpack_require__.n(sizzle__WEBPACK_IMPORTED_MODULE_3__);
// Converse.js (A browser based XMPP chat client)
// http://conversejs.org
//
// Copyright (c) 2012-2017, Jan-Carel Brand <jc@opkode.com>
// Licensed under the Mozilla Public License (MPLv2)
//

/*global define */
// XEP-0059 Result Set Management




const CHATROOMS_TYPE = 'chatroom';
const _converse$env = _converse_core__WEBPACK_IMPORTED_MODULE_2__["default"].env,
      Promise = _converse$env.Promise,
      Strophe = _converse$env.Strophe,
      $iq = _converse$env.$iq,
      _ = _converse$env._,
      moment = _converse$env.moment;
const u = _converse_core__WEBPACK_IMPORTED_MODULE_2__["default"].env.utils;
const RSM_ATTRIBUTES = ['max', 'first', 'last', 'after', 'before', 'index', 'count']; // XEP-0313 Message Archive Management

const MAM_ATTRIBUTES = ['with', 'start', 'end'];

function getMessageArchiveID(stanza) {
  // See https://xmpp.org/extensions/xep-0313.html#results
  //
  // The result messages MUST contain a <result/> element with an 'id'
  // attribute that gives the current message's archive UID
  const result = sizzle__WEBPACK_IMPORTED_MODULE_3___default()(`result[xmlns="${Strophe.NS.MAM}"]`, stanza).pop();

  if (!_.isUndefined(result)) {
    return result.getAttribute('id');
  } // See: https://xmpp.org/extensions/xep-0313.html#archives_id


  const stanza_id = sizzle__WEBPACK_IMPORTED_MODULE_3___default()(`stanza-id[xmlns="${Strophe.NS.SID}"]`, stanza).pop();

  if (!_.isUndefined(stanza_id)) {
    return stanza_id.getAttribute('id');
  }
}

function queryForArchivedMessages(_converse, options, callback, errback) {
  /* Internal function, called by the "archive.query" API method.
   */
  let date;

  if (_.isFunction(options)) {
    callback = options;
    errback = callback;
    options = null;
  }

  const queryid = _converse.connection.getUniqueId();

  const attrs = {
    'type': 'set'
  };

  if (options && options.groupchat) {
    if (!options['with']) {
      // eslint-disable-line dot-notation
      throw new Error('You need to specify a "with" value containing ' + 'the chat room JID, when querying groupchat messages.');
    }

    attrs.to = options['with']; // eslint-disable-line dot-notation
  }

  const stanza = $iq(attrs).c('query', {
    'xmlns': Strophe.NS.MAM,
    'queryid': queryid
  });

  if (options) {
    stanza.c('x', {
      'xmlns': Strophe.NS.XFORM,
      'type': 'submit'
    }).c('field', {
      'var': 'FORM_TYPE',
      'type': 'hidden'
    }).c('value').t(Strophe.NS.MAM).up().up();

    if (options['with'] && !options.groupchat) {
      // eslint-disable-line dot-notation
      stanza.c('field', {
        'var': 'with'
      }).c('value').t(options['with']).up().up(); // eslint-disable-line dot-notation
    }

    _.each(['start', 'end'], function (t) {
      if (options[t]) {
        date = moment(options[t]);

        if (date.isValid()) {
          stanza.c('field', {
            'var': t
          }).c('value').t(date.format()).up().up();
        } else {
          throw new TypeError(`archive.query: invalid date provided for: ${t}`);
        }
      }
    });

    stanza.up();

    if (options instanceof Strophe.RSM) {
      stanza.cnode(options.toXML());
    } else if (_.intersection(RSM_ATTRIBUTES, _.keys(options)).length) {
      stanza.cnode(new Strophe.RSM(options).toXML());
    }
  }

  const messages = [];

  const message_handler = _converse.connection.addHandler(message => {
    if (options.groupchat && message.getAttribute('from') !== options['with']) {
      // eslint-disable-line dot-notation
      return true;
    }

    const result = message.querySelector('result');

    if (!_.isNull(result) && result.getAttribute('queryid') === queryid) {
      messages.push(message);
    }

    return true;
  }, Strophe.NS.MAM);

  _converse.api.sendIQ(stanza, _converse.message_archiving_timeout).then(iq => {
    _converse.connection.deleteHandler(message_handler);

    if (_.isFunction(callback)) {
      const set = iq.querySelector('set');
      let rsm;

      if (!_.isUndefined(set)) {
        rsm = new Strophe.RSM({
          xml: set
        });

        _.extend(rsm, _.pick(options, _.concat(MAM_ATTRIBUTES, ['max'])));
      }

      callback(messages, rsm);
    }
  }).catch(e => {
    _converse.connection.deleteHandler(message_handler);

    if (_.isFunction(errback)) {
      errback.apply(this, arguments);
    }

    return;
  });
}

_converse_core__WEBPACK_IMPORTED_MODULE_2__["default"].plugins.add('converse-mam', {
  dependencies: ['converse-chatview', 'converse-muc', 'converse-muc-views'],
  overrides: {
    // Overrides mentioned here will be picked up by converse.js's
    // plugin architecture they will replace existing methods on the
    // relevant objects or classes.
    //
    // New functions which don't exist yet can also be added.
    ChatBox: {
      async getMessageAttributesFromStanza(message, original_stanza) {
        const attrs = await this.__super__.getMessageAttributesFromStanza.apply(this, arguments);
        attrs.archive_id = getMessageArchiveID(original_stanza);
        return attrs;
      }

    },
    ChatBoxView: {
      render() {
        const result = this.__super__.render.apply(this, arguments);

        if (!this.disable_mam) {
          this.content.addEventListener('scroll', _.debounce(this.onScroll.bind(this), 100));
        }

        return result;
      },

      fetchNewestMessages() {
        /* Fetches messages that might have been archived *after*
         * the last archived message in our local cache.
         */
        if (this.disable_mam) {
          return;
        }

        const _converse = this.__super__._converse,
              most_recent_msg = u.getMostRecentMessage(this.model);

        if (_.isNil(most_recent_msg)) {
          this.fetchArchivedMessages();
        } else {
          const archive_id = most_recent_msg.get('archive_id');

          if (archive_id) {
            this.fetchArchivedMessages({
              'after': most_recent_msg.get('archive_id')
            });
          } else {
            this.fetchArchivedMessages({
              'start': most_recent_msg.get('time')
            });
          }
        }
      },

      fetchArchivedMessagesIfNecessary() {
        /* Check if archived messages should be fetched, and if so, do so. */
        if (this.disable_mam || this.model.get('mam_initialized')) {
          return;
        }

        const _converse = this.__super__._converse;

        _converse.api.disco.supports(Strophe.NS.MAM, _converse.bare_jid).then(result => {
          // Success
          if (result.length) {
            this.fetchArchivedMessages();
          }

          this.model.save({
            'mam_initialized': true
          });
        }, () => {
          // Error
          _converse.log("Error or timeout while checking for MAM support", Strophe.LogLevel.ERROR);
        }).catch(msg => {
          this.clearSpinner();

          _converse.log(msg, Strophe.LogLevel.FATAL);
        });
      },

      fetchArchivedMessages(options) {
        const _converse = this.__super__._converse;

        if (this.disable_mam) {
          return;
        }

        const is_groupchat = this.model.get('type') === CHATROOMS_TYPE;
        let mam_jid, message_handler;

        if (is_groupchat) {
          mam_jid = this.model.get('jid');
          message_handler = this.model.onMessage.bind(this.model);
        } else {
          mam_jid = _converse.bare_jid;
          message_handler = _converse.chatboxes.onMessage.bind(_converse.chatboxes);
        }

        _converse.api.disco.supports(Strophe.NS.MAM, mam_jid).then(results => {
          // Success
          if (!results.length) {
            return;
          }

          this.addSpinner();

          _converse.api.archive.query(_.extend({
            'groupchat': is_groupchat,
            'before': '',
            // Page backwards from the most recent message
            'max': _converse.archived_messages_page_size,
            'with': this.model.get('jid')
          }, options), messages => {
            // Success
            this.clearSpinner();

            _.each(messages, message_handler);
          }, e => {
            // Error
            this.clearSpinner();

            _converse.log("Error or timeout while trying to fetch " + "archived messages", Strophe.LogLevel.ERROR);

            _converse.log(e, Strophe.LogLevel.ERROR);
          });
        }, () => {
          // Error
          _converse.log("Error or timeout while checking for MAM support", Strophe.LogLevel.ERROR);
        }).catch(msg => {
          this.clearSpinner();

          _converse.log(msg, Strophe.LogLevel.FATAL);
        });
      },

      onScroll(ev) {
        const _converse = this.__super__._converse;

        if (this.content.scrollTop === 0 && this.model.messages.length) {
          const oldest_message = this.model.messages.at(0);
          const archive_id = oldest_message.get('archive_id');

          if (archive_id) {
            this.fetchArchivedMessages({
              'before': archive_id
            });
          } else {
            this.fetchArchivedMessages({
              'end': oldest_message.get('time')
            });
          }
        }
      }

    },
    ChatRoom: {
      isDuplicate(message, original_stanza) {
        const result = this.__super__.isDuplicate.apply(this, arguments);

        if (result) {
          return result;
        }

        const archive_id = getMessageArchiveID(original_stanza);

        if (archive_id) {
          return this.messages.filter({
            'archive_id': archive_id
          }).length > 0;
        }
      }

    },
    ChatRoomView: {
      initialize() {
        const _converse = this.__super__._converse;

        this.__super__.initialize.apply(this, arguments);

        this.model.on('change:mam_enabled', this.fetchArchivedMessagesIfNecessary, this);
        this.model.on('change:connection_status', this.fetchArchivedMessagesIfNecessary, this);
      },

      renderChatArea() {
        const result = this.__super__.renderChatArea.apply(this, arguments);

        if (!this.disable_mam) {
          this.content.addEventListener('scroll', _.debounce(this.onScroll.bind(this), 100));
        }

        return result;
      },

      fetchArchivedMessagesIfNecessary() {
        if (this.model.get('connection_status') !== _converse_core__WEBPACK_IMPORTED_MODULE_2__["default"].ROOMSTATUS.ENTERED || !this.model.get('mam_enabled') || this.model.get('mam_initialized')) {
          return;
        }

        this.fetchArchivedMessages();
        this.model.save({
          'mam_initialized': true
        });
      }

    }
  },

  initialize() {
    /* The initialize function gets called as soon as the plugin is
     * loaded by Converse.js's plugin machinery.
     */
    const _converse = this._converse;

    _converse.api.settings.update({
      archived_messages_page_size: '50',
      message_archiving: undefined,
      // Supported values are 'always', 'never', 'roster' (https://xmpp.org/extensions/xep-0313.html#prefs)
      message_archiving_timeout: 20000 // Time (in milliseconds) to wait before aborting MAM request

    });

    _converse.onMAMError = function (iq) {
      if (iq.querySelectorAll('feature-not-implemented').length) {
        _converse.log("Message Archive Management (XEP-0313) not supported by this server", Strophe.LogLevel.WARN);
      } else {
        _converse.log("An error occured while trying to set archiving preferences.", Strophe.LogLevel.ERROR);

        _converse.log(iq);
      }
    };

    _converse.onMAMPreferences = function (feature, iq) {
      /* Handle returned IQ stanza containing Message Archive
       * Management (XEP-0313) preferences.
       *
       * XXX: For now we only handle the global default preference.
       * The XEP also provides for per-JID preferences, which is
       * currently not supported in converse.js.
       *
       * Per JID preferences will be set in chat boxes, so it'll
       * probbaly be handled elsewhere in any case.
       */
      const preference = sizzle__WEBPACK_IMPORTED_MODULE_3___default()(`prefs[xmlns="${Strophe.NS.MAM}"]`, iq).pop();
      const default_pref = preference.getAttribute('default');

      if (default_pref !== _converse.message_archiving) {
        const stanza = $iq({
          'type': 'set'
        }).c('prefs', {
          'xmlns': Strophe.NS.MAM,
          'default': _converse.message_archiving
        });

        _.each(preference.children, child => stanza.cnode(child).up()); // XXX: Strictly speaking, the server should respond with the updated prefs
        // (see example 18: https://xmpp.org/extensions/xep-0313.html#config)
        // but Prosody doesn't do this, so we don't rely on it.


        _converse.api.sendIQ(stanza).then(() => feature.save({
          'preferences': {
            'default': _converse.message_archiving
          }
        })).catch(_converse.onMAMError);
      } else {
        feature.save({
          'preferences': {
            'default': _converse.message_archiving
          }
        });
      }
    };
    /* Event handlers */


    _converse.on('serviceDiscovered', feature => {
      const prefs = feature.get('preferences') || {};

      if (feature.get('var') === Strophe.NS.MAM && prefs['default'] !== _converse.message_archiving && // eslint-disable-line dot-notation
      !_.isUndefined(_converse.message_archiving)) {
        // Ask the server for archiving preferences
        _converse.api.sendIQ($iq({
          'type': 'get'
        }).c('prefs', {
          'xmlns': Strophe.NS.MAM
        })).then(_.partial(_converse.onMAMPreferences, feature)).catch(_converse.onMAMError);
      }
    });

    _converse.on('addClientFeatures', () => {
      _converse.api.disco.own.features.add(Strophe.NS.MAM);
    });

    _converse.on('afterMessagesFetched', chatboxview => {
      chatboxview.fetchNewestMessages();
    });

    _converse.on('reconnected', () => {
      const private_chats = _converse.chatboxviews.filter(view => _.at(view, 'model.attributes.type')[0] === 'chatbox');

      _.each(private_chats, view => view.fetchNewestMessages());
    });

    _.extend(_converse.api, {
      /**
       * The [XEP-0313](https://xmpp.org/extensions/xep-0313.html) Message Archive Management API
       *
       * Enables you to query an XMPP server for archived messages.
       *
       * See also the [message-archiving](/docs/html/configuration.html#message-archiving)
       * option in the configuration settings section, which you'll
       * usually want to use in conjunction with this API.
       *
       * @namespace _converse.api.archive
       * @memberOf _converse.api
       */
      'archive': {
        /**
         * Query for archived messages.
         *
         * The options parameter can also be an instance of
         * Strophe.RSM to enable easy querying between results pages.
         *
         * @method _converse.api.archive.query
         * @param {(Object|Strophe.RSM)} options Query parameters, either
         *      MAM-specific or also for Result Set Management.
         *      Can be either an object or an instance of Strophe.RSM.
         *      Valid query parameters are:
         * * `with`
         * * `start`
         * * `end`
         * * `first`
         * * `last`
         * * `after`
         * * `before`
         * * `index`
         * * `count`
         * @param {Function} callback A function to call whenever
         *      we receive query-relevant stanza.
         *      When the callback is called, a Strophe.RSM object is
         *      returned on which "next" or "previous" can be called
         *      before passing it in again to this method, to
         *      get the next or previous page in the result set.
         * @param {Function} errback A function to call when an
         *      error stanza is received, for example when it
         *      doesn't support message archiving.
         *
         * @example
         * // Requesting all archived messages
         * // ================================
         * //
         * // The simplest query that can be made is to simply not pass in any parameters.
         * // Such a query will return all archived messages for the current user.
         * //
         * // Generally, you'll however always want to pass in a callback method, to receive
         * // the returned messages.
         *
         * this._converse.api.archive.query(
         *     (messages) => {
         *         // Do something with the messages, like showing them in your webpage.
         *     },
         *     (iq) => {
         *         // The query was not successful, perhaps inform the user?
         *         // The IQ stanza returned by the XMPP server is passed in, so that you
         *         // may inspect it and determine what the problem was.
         *     }
         * )
         * @example
         * // Waiting until server support has been determined
         * // ================================================
         * //
         * // The query method will only work if Converse has been able to determine that
         * // the server supports MAM queries, otherwise the following error will be raised:
         * //
         * // "This server does not support XEP-0313, Message Archive Management"
         * //
         * // The very first time Converse loads in a browser tab, if you call the query
         * // API too quickly, the above error might appear because service discovery has not
         * // yet been completed.
         * //
         * // To work solve this problem, you can first listen for the `serviceDiscovered` event,
         * // through which you can be informed once support for MAM has been determined.
         *
         *  _converse.api.listen.on('serviceDiscovered', function (feature) {
         *      if (feature.get('var') === converse.env.Strophe.NS.MAM) {
         *          _converse.api.archive.query()
         *      }
         *  });
         *
         * @example
         * // Requesting all archived messages for a particular contact or room
         * // =================================================================
         * //
         * // To query for messages sent between the current user and another user or room,
         * // the query options need to contain the the JID (Jabber ID) of the user or
         * // room under the  `with` key.
         *
         * // For a particular user
         * this._converse.api.archive.query({'with': 'john@doe.net'}, callback, errback);)
         *
         * // For a particular room
         * this._converse.api.archive.query({'with': 'discuss@conference.doglovers.net'}, callback, errback);)
         *
         * @example
         * // Requesting all archived messages before or after a certain date
         * // ===============================================================
         * //
         * // The `start` and `end` parameters are used to query for messages
         * // within a certain timeframe. The passed in date values may either be ISO8601
         * // formatted date strings, or JavaScript Date objects.
         *
         *  const options = {
         *      'with': 'john@doe.net',
         *      'start': '2010-06-07T00:00:00Z',
         *      'end': '2010-07-07T13:23:54Z'
         *  };
         *  this._converse.api.archive.query(options, callback, errback);
         *
         * @example
         * // Limiting the amount of messages returned
         * // ========================================
         * //
         * // The amount of returned messages may be limited with the `max` parameter.
         * // By default, the messages are returned from oldest to newest.
         *
         * // Return maximum 10 archived messages
         * this._converse.api.archive.query({'with': 'john@doe.net', 'max':10}, callback, errback);
         *
         * @example
         * // Paging forwards through a set of archived messages
         * // ==================================================
         * //
         * // When limiting the amount of messages returned per query, you might want to
         * // repeatedly make a further query to fetch the next batch of messages.
         * //
         * // To simplify this usecase for you, the callback method receives not only an array
         * // with the returned archived messages, but also a special RSM (*Result Set
         * // Management*) object which contains the query parameters you passed in, as well
         * // as two utility methods `next`, and `previous`.
         * //
         * // When you call one of these utility methods on the returned RSM object, and then
         * // pass the result into a new query, you'll receive the next or previous batch of
         * // archived messages. Please note, when calling these methods, pass in an integer
         * // to limit your results.
         *
         * const callback = function (messages, rsm) {
         *     // Do something with the messages, like showing them in your webpage.
         *     // ...
         *     // You can now use the returned "rsm" object, to fetch the next batch of messages:
         *     _converse.api.archive.query(rsm.next(10), callback, errback))
         *
         * }
         * _converse.api.archive.query({'with': 'john@doe.net', 'max':10}, callback, errback);
         *
         * @example
         * // Paging backwards through a set of archived messages
         * // ===================================================
         * //
         * // To page backwards through the archive, you need to know the UID of the message
         * // which you'd like to page backwards from and then pass that as value for the
         * // `before` parameter. If you simply want to page backwards from the most recent
         * // message, pass in the `before` parameter with an empty string value `''`.
         *
         * _converse.api.archive.query({'before': '', 'max':5}, function (message, rsm) {
         *     // Do something with the messages, like showing them in your webpage.
         *     // ...
         *     // You can now use the returned "rsm" object, to fetch the previous batch of messages:
         *     rsm.previous(5); // Call previous method, to update the object's parameters,
         *                      // passing in a limit value of 5.
         *     // Now we query again, to get the previous batch.
         *     _converse.api.archive.query(rsm, callback, errback);
         * }
         */
        'query': function query(options, callback, errback) {
          if (!_converse.api.connection.connected()) {
            throw new Error('Can\'t call `api.archive.query` before having established an XMPP session');
          }

          return queryForArchivedMessages(_converse, options, callback, errback);
        }
      }
    });
  }

});

/***/ }),

/***/ "./src/headless/converse-muc.js":
/*!**************************************!*\
  !*** ./src/headless/converse-muc.js ***!
  \**************************************/
/*! no exports provided */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var _converse_disco__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./converse-disco */ "./src/headless/converse-disco.js");
/* harmony import */ var _utils_emoji__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./utils/emoji */ "./src/headless/utils/emoji.js");
/* harmony import */ var _utils_muc__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./utils/muc */ "./src/headless/utils/muc.js");
/* harmony import */ var backbone_overview_backbone_orderedlistview__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! backbone.overview/backbone.orderedlistview */ "./node_modules/backbone.overview/backbone.orderedlistview.js");
/* harmony import */ var backbone_overview_backbone_orderedlistview__WEBPACK_IMPORTED_MODULE_3___default = /*#__PURE__*/__webpack_require__.n(backbone_overview_backbone_orderedlistview__WEBPACK_IMPORTED_MODULE_3__);
/* harmony import */ var backbone_overview_backbone_overview__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! backbone.overview/backbone.overview */ "./node_modules/backbone.overview/backbone.overview.js");
/* harmony import */ var backbone_overview_backbone_overview__WEBPACK_IMPORTED_MODULE_4___default = /*#__PURE__*/__webpack_require__.n(backbone_overview_backbone_overview__WEBPACK_IMPORTED_MODULE_4__);
/* harmony import */ var backbone_vdomview__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(/*! backbone.vdomview */ "./node_modules/backbone.vdomview/backbone.vdomview.js");
/* harmony import */ var backbone_vdomview__WEBPACK_IMPORTED_MODULE_5___default = /*#__PURE__*/__webpack_require__.n(backbone_vdomview__WEBPACK_IMPORTED_MODULE_5__);
/* harmony import */ var _converse_core__WEBPACK_IMPORTED_MODULE_6__ = __webpack_require__(/*! ./converse-core */ "./src/headless/converse-core.js");
/* harmony import */ var _utils_form__WEBPACK_IMPORTED_MODULE_7__ = __webpack_require__(/*! ./utils/form */ "./src/headless/utils/form.js");
function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest(); }

function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance"); }

function _iterableToArrayLimit(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }

function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }

// Converse.js
// http://conversejs.org
//
// Copyright (c) 2013-2018, the Converse.js developers
// Licensed under the Mozilla Public License (MPLv2)








const MUC_ROLE_WEIGHTS = {
  'moderator': 1,
  'participant': 2,
  'visitor': 3,
  'none': 2
};
const _converse$env = _converse_core__WEBPACK_IMPORTED_MODULE_6__["default"].env,
      Strophe = _converse$env.Strophe,
      Backbone = _converse$env.Backbone,
      Promise = _converse$env.Promise,
      $iq = _converse$env.$iq,
      $build = _converse$env.$build,
      $msg = _converse$env.$msg,
      $pres = _converse$env.$pres,
      b64_sha1 = _converse$env.b64_sha1,
      sizzle = _converse$env.sizzle,
      f = _converse$env.f,
      moment = _converse$env.moment,
      _ = _converse$env._; // Add Strophe Namespaces

Strophe.addNamespace('MUC_ADMIN', Strophe.NS.MUC + "#admin");
Strophe.addNamespace('MUC_OWNER', Strophe.NS.MUC + "#owner");
Strophe.addNamespace('MUC_REGISTER', "jabber:iq:register");
Strophe.addNamespace('MUC_ROOMCONF', Strophe.NS.MUC + "#roomconfig");
Strophe.addNamespace('MUC_USER', Strophe.NS.MUC + "#user");
_converse_core__WEBPACK_IMPORTED_MODULE_6__["default"].MUC_NICK_CHANGED_CODE = "303";
_converse_core__WEBPACK_IMPORTED_MODULE_6__["default"].ROOM_FEATURES = ['passwordprotected', 'unsecured', 'hidden', 'publicroom', 'membersonly', 'open', 'persistent', 'temporary', 'nonanonymous', 'semianonymous', 'moderated', 'unmoderated', 'mam_enabled']; // No longer used in code, but useful as reference.
//
// const ROOM_FEATURES_MAP = {
//     'passwordprotected': 'unsecured',
//     'unsecured': 'passwordprotected',
//     'hidden': 'publicroom',
//     'publicroom': 'hidden',
//     'membersonly': 'open',
//     'open': 'membersonly',
//     'persistent': 'temporary',
//     'temporary': 'persistent',
//     'nonanonymous': 'semianonymous',
//     'semianonymous': 'nonanonymous',
//     'moderated': 'unmoderated',
//     'unmoderated': 'moderated'
// };

_converse_core__WEBPACK_IMPORTED_MODULE_6__["default"].ROOMSTATUS = {
  CONNECTED: 0,
  CONNECTING: 1,
  NICKNAME_REQUIRED: 2,
  PASSWORD_REQUIRED: 3,
  DISCONNECTED: 4,
  ENTERED: 5
};
_converse_core__WEBPACK_IMPORTED_MODULE_6__["default"].plugins.add('converse-muc', {
  /* Optional dependencies are other plugins which might be
   * overridden or relied upon, and therefore need to be loaded before
   * this plugin. They are called "optional" because they might not be
   * available, in which case any overrides applicable to them will be
   * ignored.
   *
   * It's possible however to make optional dependencies non-optional.
   * If the setting "strict_plugin_dependencies" is set to true,
   * an error will be raised if the plugin is not found.
   *
   * NB: These plugins need to have already been loaded via require.js.
   */
  dependencies: ["converse-chatboxes", "converse-disco", "converse-controlbox"],
  overrides: {
    tearDown() {
      const _converse = this.__super__._converse,
            groupchats = this.chatboxes.where({
        'type': _converse.CHATROOMS_TYPE
      });

      _.each(groupchats, gc => _utils_form__WEBPACK_IMPORTED_MODULE_7__["default"].safeSave(gc, {
        'connection_status': _converse_core__WEBPACK_IMPORTED_MODULE_6__["default"].ROOMSTATUS.DISCONNECTED
      }));

      this.__super__.tearDown.call(this, arguments);
    },

    ChatBoxes: {
      model(attrs, options) {
        const _converse = this.__super__._converse;

        if (attrs.type == _converse.CHATROOMS_TYPE) {
          return new _converse.ChatRoom(attrs, options);
        } else {
          return this.__super__.model.apply(this, arguments);
        }
      }

    }
  },

  initialize() {
    /* The initialize function gets called as soon as the plugin is
     * loaded by converse.js's plugin machinery.
     */
    const _converse = this._converse,
          __ = _converse.__; // Configuration values for this plugin
    // ====================================
    // Refer to docs/source/configuration.rst for explanations of these
    // configuration settings.

    _converse.api.settings.update({
      allow_muc: true,
      allow_muc_invitations: true,
      auto_join_on_invite: false,
      auto_join_rooms: [],
      auto_register_muc_nickname: false,
      muc_domain: undefined,
      muc_history_max_stanzas: undefined,
      muc_instant_rooms: true,
      muc_nickname_from_jid: false
    });

    _converse.api.promises.add(['roomsAutoJoined']);

    async function openRoom(jid) {
      if (!_utils_form__WEBPACK_IMPORTED_MODULE_7__["default"].isValidMUCJID(jid)) {
        return _converse.log(`Invalid JID "${jid}" provided in URL fragment`, Strophe.LogLevel.WARN);
      }

      await _converse.api.waitUntil('roomsAutoJoined');

      if (_converse.allow_bookmarks) {
        await _converse.api.waitUntil('bookmarksInitialized');
      }

      _converse.api.rooms.open(jid);
    }

    _converse.router.route('converse/room?jid=:jid', openRoom);

    _converse.openChatRoom = function (jid, settings, bring_to_foreground) {
      /* Opens a groupchat, making sure that certain attributes
       * are correct, for example that the "type" is set to
       * "chatroom".
       */
      settings.type = _converse.CHATROOMS_TYPE;
      settings.id = jid;
      settings.box_id = b64_sha1(jid);

      const chatbox = _converse.chatboxes.getChatBox(jid, settings, true);

      chatbox.trigger('show', true);
      return chatbox;
    };

    _converse.ChatRoom = _converse.ChatBox.extend({
      defaults() {
        return _.assign(_.clone(_converse.ChatBox.prototype.defaults), {
          // For group chats, we distinguish between generally unread
          // messages and those ones that specifically mention the
          // user.
          //
          // To keep things simple, we reuse `num_unread` from
          // _converse.ChatBox to indicate unread messages which
          // mention the user and `num_unread_general` to indicate
          // generally unread messages (which *includes* mentions!).
          'num_unread_general': 0,
          'affiliation': null,
          'connection_status': _converse_core__WEBPACK_IMPORTED_MODULE_6__["default"].ROOMSTATUS.DISCONNECTED,
          'name': '',
          'nick': _converse.xmppstatus.get('nickname') || _converse.nickname,
          'description': '',
          'roomconfig': {},
          'type': _converse.CHATROOMS_TYPE,
          'message_type': 'groupchat'
        });
      },

      initialize() {
        this.constructor.__super__.initialize.apply(this, arguments);

        this.on('change:connection_status', this.onConnectionStatusChanged, this);

        const storage = _converse.config.get('storage');

        const id = `converse.muc-features-${_converse.bare_jid}-${this.get('jid')}`;
        this.features = new Backbone.Model(_.assign({
          id
        }, _.zipObject(_converse_core__WEBPACK_IMPORTED_MODULE_6__["default"].ROOM_FEATURES, _.map(_converse_core__WEBPACK_IMPORTED_MODULE_6__["default"].ROOM_FEATURES, _.stubFalse))));
        this.features.browserStorage = new Backbone.BrowserStorage.session(id);
        this.features.fetch();
        this.occupants = new _converse.ChatRoomOccupants();
        this.occupants.browserStorage = new Backbone.BrowserStorage.session(b64_sha1(`converse.occupants-${_converse.bare_jid}${this.get('jid')}`));
        this.occupants.chatroom = this;
        this.registerHandlers();
      },

      async onConnectionStatusChanged() {
        if (this.get('connection_status') === _converse_core__WEBPACK_IMPORTED_MODULE_6__["default"].ROOMSTATUS.ENTERED && _converse.auto_register_muc_nickname && !this.get('reserved_nick')) {
          const result = await _converse.api.disco.supports(Strophe.NS.MUC_REGISTER, this.get('jid'));

          if (result.length) {
            this.registerNickname();
          }
        }
      },

      registerHandlers() {
        /* Register presence and message handlers for this chat
         * groupchat
         */
        const room_jid = this.get('jid');
        this.removeHandlers();
        this.presence_handler = _converse.connection.addHandler(stanza => {
          _.each(_.values(this.handlers.presence), callback => callback(stanza));

          this.onPresence(stanza);
          return true;
        }, null, 'presence', null, null, room_jid, {
          'ignoreNamespaceFragment': true,
          'matchBareFromJid': true
        });
        this.message_handler = _converse.connection.addHandler(stanza => {
          _.each(_.values(this.handlers.message), callback => callback(stanza));

          this.onMessage(stanza);
          return true;
        }, null, 'message', 'groupchat', null, room_jid, {
          'matchBareFromJid': true
        });
      },

      removeHandlers() {
        /* Remove the presence and message handlers that were
         * registered for this groupchat.
         */
        if (this.message_handler) {
          _converse.connection.deleteHandler(this.message_handler);

          delete this.message_handler;
        }

        if (this.presence_handler) {
          _converse.connection.deleteHandler(this.presence_handler);

          delete this.presence_handler;
        }

        return this;
      },

      addHandler(type, name, callback) {
        /* Allows 'presence' and 'message' handlers to be
         * registered. These will be executed once presence or
         * message stanzas are received, and *before* this model's
         * own handlers are executed.
         */
        if (_.isNil(this.handlers)) {
          this.handlers = {};
        }

        if (_.isNil(this.handlers[type])) {
          this.handlers[type] = {};
        }

        this.handlers[type][name] = callback;
      },

      getDisplayName() {
        return this.get('name') || this.get('jid');
      },

      join(nick, password) {
        /* Join the groupchat.
         *
         * Parameters:
         *  (String) nick: The user's nickname
         *  (String) password: Optional password, if required by
         *      the groupchat.
         */
        nick = nick ? nick : this.get('nick');

        if (!nick) {
          throw new TypeError('join: You need to provide a valid nickname');
        }

        if (this.get('connection_status') === _converse_core__WEBPACK_IMPORTED_MODULE_6__["default"].ROOMSTATUS.ENTERED) {
          // We have restored a groupchat from session storage,
          // so we don't send out a presence stanza again.
          return this;
        }

        const stanza = $pres({
          'from': _converse.connection.jid,
          'to': this.getRoomJIDAndNick(nick)
        }).c("x", {
          'xmlns': Strophe.NS.MUC
        }).c("history", {
          'maxstanzas': this.get('mam_enabled') ? 0 : _converse.muc_history_max_stanzas
        }).up();

        if (password) {
          stanza.cnode(Strophe.xmlElement("password", [], password));
        }

        this.save('connection_status', _converse_core__WEBPACK_IMPORTED_MODULE_6__["default"].ROOMSTATUS.CONNECTING);

        _converse.api.send(stanza);

        return this;
      },

      leave(exit_msg) {
        /* Leave the groupchat.
         *
         * Parameters:
         *  (String) exit_msg: Optional message to indicate your
         *      reason for leaving.
         */
        this.features.destroy();

        this.occupants.browserStorage._clear();

        this.occupants.reset();

        if (_converse.disco_entities) {
          const disco_entity = _converse.disco_entities.get(this.get('jid'));

          if (disco_entity) {
            disco_entity.destroy();
          }
        }

        if (_converse.connection.connected) {
          this.sendUnavailablePresence(exit_msg);
        }

        _utils_form__WEBPACK_IMPORTED_MODULE_7__["default"].safeSave(this, {
          'connection_status': _converse_core__WEBPACK_IMPORTED_MODULE_6__["default"].ROOMSTATUS.DISCONNECTED
        });
        this.removeHandlers();
      },

      sendUnavailablePresence(exit_msg) {
        const presence = $pres({
          type: "unavailable",
          from: _converse.connection.jid,
          to: this.getRoomJIDAndNick()
        });

        if (exit_msg !== null) {
          presence.c("status", exit_msg);
        }

        _converse.connection.sendPresence(presence);
      },

      getReferenceForMention(mention, index) {
        const longest_match = _utils_form__WEBPACK_IMPORTED_MODULE_7__["default"].getLongestSubstring(mention, this.occupants.map(o => o.getDisplayName()));

        if (!longest_match) {
          return null;
        }

        if ((mention[longest_match.length] || '').match(/[A-Za-zäëïöüâêîôûáéíóúàèìòùÄËÏÖÜÂÊÎÔÛÁÉÍÓÚÀÈÌÒÙ]/i)) {
          // avoid false positives, i.e. mentions that have
          // further alphabetical characters than our longest
          // match.
          return null;
        }

        const occupant = this.occupants.findOccupant({
          'nick': longest_match
        }) || this.occupants.findOccupant({
          'jid': longest_match
        });

        if (!occupant) {
          return null;
        }

        const obj = {
          'begin': index,
          'end': index + longest_match.length,
          'value': longest_match,
          'type': 'mention'
        };

        if (occupant.get('jid')) {
          obj.uri = `xmpp:${occupant.get('jid')}`;
        }

        return obj;
      },

      extractReference(text, index) {
        for (let i = index; i < text.length; i++) {
          if (text[i] !== '@') {
            continue;
          } else {
            const match = text.slice(i + 1),
                  ref = this.getReferenceForMention(match, i);

            if (ref) {
              return [text.slice(0, i) + match, ref, i];
            }
          }
        }

        return;
      },

      parseTextForReferences(text) {
        const refs = [];
        let index = 0;

        while (index < (text || '').length) {
          const result = this.extractReference(text, index);

          if (result) {
            text = result[0]; // @ gets filtered out

            refs.push(result[1]);
            index = result[2];
          } else {
            break;
          }
        }

        return [text, refs];
      },

      getOutgoingMessageAttributes(text, spoiler_hint) {
        const is_spoiler = this.get('composing_spoiler');
        var references;

        var _this$parseTextForRef = this.parseTextForReferences(text);

        var _this$parseTextForRef2 = _slicedToArray(_this$parseTextForRef, 2);

        text = _this$parseTextForRef2[0];
        references = _this$parseTextForRef2[1];
        return {
          'from': `${this.get('jid')}/${this.get('nick')}`,
          'fullname': this.get('nick'),
          'is_spoiler': is_spoiler,
          'message': text ? _utils_form__WEBPACK_IMPORTED_MODULE_7__["default"].httpToGeoUri(_utils_form__WEBPACK_IMPORTED_MODULE_7__["default"].shortnameToUnicode(text), _converse) : undefined,
          'nick': this.get('nick'),
          'references': references,
          'sender': 'me',
          'spoiler_hint': is_spoiler ? spoiler_hint : undefined,
          'type': 'groupchat'
        };
      },

      getRoomJIDAndNick(nick) {
        /* Utility method to construct the JID for the current user
         * as occupant of the groupchat.
         *
         * This is the groupchat JID, with the user's nick added at the
         * end.
         *
         * For example: groupchat@conference.example.org/nickname
         */
        if (nick) {
          this.save({
            'nick': nick
          });
        } else {
          nick = this.get('nick');
        }

        const groupchat = this.get('jid');
        const jid = Strophe.getBareJidFromJid(groupchat);
        return jid + (nick !== null ? `/${nick}` : "");
      },

      sendChatState() {
        /* Sends a message with the status of the user in this chat session
         * as taken from the 'chat_state' attribute of the chat box.
         * See XEP-0085 Chat State Notifications.
         */
        if (!_converse.send_chat_state_notifications || this.get('connection_status') !== _converse_core__WEBPACK_IMPORTED_MODULE_6__["default"].ROOMSTATUS.ENTERED) {
          return;
        }

        const chat_state = this.get('chat_state');

        if (chat_state === _converse.GONE) {
          // <gone/> is not applicable within MUC context
          return;
        }

        _converse.api.send($msg({
          'to': this.get('jid'),
          'type': 'groupchat'
        }).c(chat_state, {
          'xmlns': Strophe.NS.CHATSTATES
        }).up().c('no-store', {
          'xmlns': Strophe.NS.HINTS
        }).up().c('no-permanent-store', {
          'xmlns': Strophe.NS.HINTS
        }));
      },

      directInvite(recipient, reason) {
        /* Send a direct invitation as per XEP-0249
         *
         * Parameters:
         *    (String) recipient - JID of the person being invited
         *    (String) reason - Optional reason for the invitation
         */
        if (this.get('membersonly')) {
          // When inviting to a members-only groupchat, we first add
          // the person to the member list by giving them an
          // affiliation of 'member' (if they're not affiliated
          // already), otherwise they won't be able to join.
          const map = {};
          map[recipient] = 'member';

          const deltaFunc = _.partial(_utils_form__WEBPACK_IMPORTED_MODULE_7__["default"].computeAffiliationsDelta, true, false);

          this.updateMemberLists([{
            'jid': recipient,
            'affiliation': 'member',
            'reason': reason
          }], ['member', 'owner', 'admin'], deltaFunc);
        }

        const attrs = {
          'xmlns': 'jabber:x:conference',
          'jid': this.get('jid')
        };

        if (reason !== null) {
          attrs.reason = reason;
        }

        if (this.get('password')) {
          attrs.password = this.get('password');
        }

        const invitation = $msg({
          'from': _converse.connection.jid,
          'to': recipient,
          'id': _converse.connection.getUniqueId()
        }).c('x', attrs);

        _converse.api.send(invitation);

        _converse.api.emit('roomInviteSent', {
          'room': this,
          'recipient': recipient,
          'reason': reason
        });
      },

      async refreshRoomFeatures() {
        await _converse.api.disco.refreshFeatures(this.get('jid'));
        return this.getRoomFeatures();
      },

      async getRoomFeatures() {
        let identity;

        try {
          identity = await _converse.api.disco.getIdentity('conference', 'text', this.get('jid'));
        } catch (e) {
          // Getting the identity probably failed because this room doesn't exist yet.
          return _converse.log(e, Strophe.LogLevel.ERROR);
        }

        const fields = await _converse.api.disco.getFields(this.get('jid'));
        this.save({
          'name': identity && identity.get('name'),
          'description': _.get(fields.findWhere({
            'var': "muc#roominfo_description"
          }), 'attributes.value')
        });
        const features = await _converse.api.disco.getFeatures(this.get('jid'));

        const attrs = _.extend(_.zipObject(_converse_core__WEBPACK_IMPORTED_MODULE_6__["default"].ROOM_FEATURES, _.map(_converse_core__WEBPACK_IMPORTED_MODULE_6__["default"].ROOM_FEATURES, _.stubFalse)), {
          'fetched': moment().format()
        });

        features.each(feature => {
          const fieldname = feature.get('var');

          if (!fieldname.startsWith('muc_')) {
            if (fieldname === Strophe.NS.MAM) {
              attrs.mam_enabled = true;
            }

            return;
          }

          attrs[fieldname.replace('muc_', '')] = true;
        });
        this.features.save(attrs);
      },

      requestMemberList(affiliation) {
        /* Send an IQ stanza to the server, asking it for the
         * member-list of this groupchat.
         *
         * See: http://xmpp.org/extensions/xep-0045.html#modifymember
         *
         * Parameters:
         *  (String) affiliation: The specific member list to
         *      fetch. 'admin', 'owner' or 'member'.
         *
         * Returns:
         *  A promise which resolves once the list has been
         *  retrieved.
         */
        affiliation = affiliation || 'member';
        const iq = $iq({
          to: this.get('jid'),
          type: "get"
        }).c("query", {
          xmlns: Strophe.NS.MUC_ADMIN
        }).c("item", {
          'affiliation': affiliation
        });
        return _converse.api.sendIQ(iq);
      },

      setAffiliation(affiliation, members) {
        /* Send IQ stanzas to the server to set an affiliation for
         * the provided JIDs.
         *
         * See: http://xmpp.org/extensions/xep-0045.html#modifymember
         *
         * XXX: Prosody doesn't accept multiple JIDs' affiliations
         * being set in one IQ stanza, so as a workaround we send
         * a separate stanza for each JID.
         * Related ticket: https://issues.prosody.im/345
         *
         * Parameters:
         *  (String) affiliation: The affiliation
         *  (Object) members: A map of jids, affiliations and
         *      optionally reasons. Only those entries with the
         *      same affiliation as being currently set will be
         *      considered.
         *
         * Returns:
         *  A promise which resolves and fails depending on the
         *  XMPP server response.
         */
        members = _.filter(members, member => // We only want those members who have the right
        // affiliation (or none, which implies the provided one).
        _.isUndefined(member.affiliation) || member.affiliation === affiliation);

        const promises = _.map(members, _.bind(this.sendAffiliationIQ, this, affiliation));

        return Promise.all(promises);
      },

      saveConfiguration(form) {
        /* Submit the groupchat configuration form by sending an IQ
         * stanza to the server.
         *
         * Returns a promise which resolves once the XMPP server
         * has return a response IQ.
         *
         * Parameters:
         *  (HTMLElement) form: The configuration form DOM element.
         *      If no form is provided, the default configuration
         *      values will be used.
         */
        return new Promise((resolve, reject) => {
          const inputs = form ? sizzle(':input:not([type=button]):not([type=submit])', form) : [],
                configArray = _.map(inputs, _utils_form__WEBPACK_IMPORTED_MODULE_7__["default"].webForm2xForm);

          this.sendConfiguration(configArray, resolve, reject);
        });
      },

      autoConfigureChatRoom() {
        /* Automatically configure groupchat based on this model's
         * 'roomconfig' data.
         *
         * Returns a promise which resolves once a response IQ has
         * been received.
         */
        return new Promise((resolve, reject) => {
          this.fetchRoomConfiguration().then(stanza => {
            const configArray = [],
                  fields = stanza.querySelectorAll('field'),
                  config = this.get('roomconfig');
            let count = fields.length;

            _.each(fields, field => {
              const fieldname = field.getAttribute('var').replace('muc#roomconfig_', ''),
                    type = field.getAttribute('type');
              let value;

              if (fieldname in config) {
                switch (type) {
                  case 'boolean':
                    value = config[fieldname] ? 1 : 0;
                    break;

                  case 'list-multi':
                    // TODO: we don't yet handle "list-multi" types
                    value = field.innerHTML;
                    break;

                  default:
                    value = config[fieldname];
                }

                field.innerHTML = $build('value').t(value);
              }

              configArray.push(field);

              if (! --count) {
                this.sendConfiguration(configArray, resolve, reject);
              }
            });
          });
        });
      },

      fetchRoomConfiguration() {
        /* Send an IQ stanza to fetch the groupchat configuration data.
         * Returns a promise which resolves once the response IQ
         * has been received.
         */
        return _converse.api.sendIQ($iq({
          'to': this.get('jid'),
          'type': "get"
        }).c("query", {
          xmlns: Strophe.NS.MUC_OWNER
        }));
      },

      sendConfiguration(config, callback, errback) {
        /* Send an IQ stanza with the groupchat configuration.
         *
         * Parameters:
         *  (Array) config: The groupchat configuration
         *  (Function) callback: Callback upon succesful IQ response
         *      The first parameter passed in is IQ containing the
         *      groupchat configuration.
         *      The second is the response IQ from the server.
         *  (Function) errback: Callback upon error IQ response
         *      The first parameter passed in is IQ containing the
         *      groupchat configuration.
         *      The second is the response IQ from the server.
         */
        const iq = $iq({
          to: this.get('jid'),
          type: "set"
        }).c("query", {
          xmlns: Strophe.NS.MUC_OWNER
        }).c("x", {
          xmlns: Strophe.NS.XFORM,
          type: "submit"
        });

        _.each(config || [], function (node) {
          iq.cnode(node).up();
        });

        callback = _.isUndefined(callback) ? _.noop : _.partial(callback, iq.nodeTree);
        errback = _.isUndefined(errback) ? _.noop : _.partial(errback, iq.nodeTree);
        return _converse.api.sendIQ(iq).then(callback).catch(errback);
      },

      saveAffiliationAndRole(pres) {
        /* Parse the presence stanza for the current user's
         * affiliation.
         *
         * Parameters:
         *  (XMLElement) pres: A <presence> stanza.
         */
        const item = sizzle(`x[xmlns="${Strophe.NS.MUC_USER}"] item`, pres).pop();
        const is_self = pres.querySelector("status[code='110']");

        if (is_self && !_.isNil(item)) {
          const affiliation = item.getAttribute('affiliation');
          const role = item.getAttribute('role');

          if (affiliation) {
            this.save({
              'affiliation': affiliation
            });
          }

          if (role) {
            this.save({
              'role': role
            });
          }
        }
      },

      sendAffiliationIQ(affiliation, member) {
        /* Send an IQ stanza specifying an affiliation change.
         *
         * Paremeters:
         *  (String) affiliation: affiliation (could also be stored
         *      on the member object).
         *  (Object) member: Map containing the member's jid and
         *      optionally a reason and affiliation.
         */
        const iq = $iq({
          to: this.get('jid'),
          type: "set"
        }).c("query", {
          xmlns: Strophe.NS.MUC_ADMIN
        }).c("item", {
          'affiliation': member.affiliation || affiliation,
          'nick': member.nick,
          'jid': member.jid
        });

        if (!_.isUndefined(member.reason)) {
          iq.c("reason", member.reason);
        }

        return _converse.api.sendIQ(iq);
      },

      setAffiliations(members) {
        /* Send IQ stanzas to the server to modify the
         * affiliations in this groupchat.
         *
         * See: http://xmpp.org/extensions/xep-0045.html#modifymember
         *
         * Parameters:
         *  (Object) members: A map of jids, affiliations and optionally reasons
         *  (Function) onSuccess: callback for a succesful response
         *  (Function) onError: callback for an error response
         */
        const affiliations = _.uniq(_.map(members, 'affiliation'));

        return Promise.all(_.map(affiliations, _.partial(this.setAffiliation.bind(this), _, members)));
      },

      async getJidsWithAffiliations(affiliations) {
        /* Returns a map of JIDs that have the affiliations
         * as provided.
         */
        if (_.isString(affiliations)) {
          affiliations = [affiliations];
        }

        const result = await Promise.all(affiliations.map(a => this.requestMemberList(a).then(iq => _utils_form__WEBPACK_IMPORTED_MODULE_7__["default"].parseMemberListIQ(iq)).catch(iq => {
          _converse.log(iq, Strophe.LogLevel.ERROR);
        })));
        return [].concat.apply([], result).filter(p => p);
      },

      updateMemberLists(members, affiliations, deltaFunc) {
        /* Fetch the lists of users with the given affiliations.
         * Then compute the delta between those users and
         * the passed in members, and if it exists, send the delta
         * to the XMPP server to update the member list.
         *
         * Parameters:
         *  (Object) members: Map of member jids and affiliations.
         *  (String|Array) affiliation: An array of affiliations or
         *      a string if only one affiliation.
         *  (Function) deltaFunc: The function to compute the delta
         *      between old and new member lists.
         *
         * Returns:
         *  A promise which is resolved once the list has been
         *  updated or once it's been established there's no need
         *  to update the list.
         */
        this.getJidsWithAffiliations(affiliations).then(old_members => this.setAffiliations(deltaFunc(members, old_members))).then(() => this.occupants.fetchMembers()).catch(_.partial(_converse.log, _, Strophe.LogLevel.ERROR));
      },

      getDefaultNick() {
        /* The default nickname (used when muc_nickname_from_jid is true)
         * is the node part of the user's JID.
         * We put this in a separate method so that it can be
         * overridden by plugins.
         */
        const nick = _converse.xmppstatus.vcard.get('nickname');

        if (nick) {
          return nick;
        } else if (_converse.muc_nickname_from_jid) {
          return Strophe.unescapeNode(Strophe.getNodeFromJid(_converse.bare_jid));
        }
      },

      async checkForReservedNick() {
        /* Use service-discovery to ask the XMPP server whether
         * this user has a reserved nickname for this groupchat.
         * If so, we'll use that, otherwise we render the nickname form.
         *
         * Parameters:
         *  (Function) callback: Callback upon succesful IQ response
         *  (Function) errback: Callback upon error IQ response
         */
        const iq = await _converse.api.sendIQ($iq({
          'to': this.get('jid'),
          'from': _converse.connection.jid,
          'type': "get"
        }).c("query", {
          'xmlns': Strophe.NS.DISCO_INFO,
          'node': 'x-roomuser-item'
        }));
        const identity_el = iq.querySelector('query[node="x-roomuser-item"] identity'),
              nick = identity_el ? identity_el.getAttribute('name') : null;
        this.save({
          'reserved_nick': nick,
          'nick': nick
        }, {
          'silent': true
        });
        return iq;
      },

      async registerNickname() {
        // See https://xmpp.org/extensions/xep-0045.html#register
        const nick = this.get('nick'),
              jid = this.get('jid');
        let iq, err_msg;

        try {
          iq = await _converse.api.sendIQ($iq({
            'to': jid,
            'from': _converse.connection.jid,
            'type': 'get'
          }).c('query', {
            'xmlns': Strophe.NS.MUC_REGISTER
          }));
        } catch (e) {
          if (sizzle('not-allowed[xmlns="urn:ietf:params:xml:ns:xmpp-stanzas"]', e).length) {
            err_msg = __("You're not allowed to register yourself in this groupchat.");
          } else if (sizzle('registration-required[xmlns="urn:ietf:params:xml:ns:xmpp-stanzas"]', e).length) {
            err_msg = __("You're not allowed to register in this groupchat because it's members-only.");
          }

          _converse.log(e, Strophe.LogLevel.ERROR);

          return err_msg;
        }

        const required_fields = sizzle('field required', iq).map(f => f.parentElement);

        if (required_fields.length > 1 && required_fields[0].getAttribute('var') !== 'muc#register_roomnick') {
          return _converse.log(`Can't register the user register in the groupchat ${jid} due to the required fields`);
        }

        try {
          await _converse.api.sendIQ($iq({
            'to': jid,
            'from': _converse.connection.jid,
            'type': 'set'
          }).c('query', {
            'xmlns': Strophe.NS.MUC_REGISTER
          }).c('x', {
            'xmlns': Strophe.NS.XFORM,
            'type': 'submit'
          }).c('field', {
            'var': 'FORM_TYPE'
          }).c('value').t('http://jabber.org/protocol/muc#register').up().up().c('field', {
            'var': 'muc#register_roomnick'
          }).c('value').t(nick));
        } catch (e) {
          if (sizzle('service-unavailable[xmlns="urn:ietf:params:xml:ns:xmpp-stanzas"]', e).length) {
            err_msg = __("Can't register your nickname in this groupchat, it doesn't support registration.");
          } else if (sizzle('bad-request[xmlns="urn:ietf:params:xml:ns:xmpp-stanzas"]', e).length) {
            err_msg = __("Can't register your nickname in this groupchat, invalid data form supplied.");
          }

          _converse.log(err_msg);

          _converse.log(e, Strophe.LogLevel.ERROR);

          return err_msg;
        }
      },

      updateOccupantsOnPresence(pres) {
        /* Given a presence stanza, update the occupant model
         * based on its contents.
         *
         * Parameters:
         *  (XMLElement) pres: The presence stanza
         */
        const data = this.parsePresence(pres);

        if (data.type === 'error' || !data.jid && !data.nick) {
          return true;
        }

        const occupant = this.occupants.findOccupant(data);

        if (data.type === 'unavailable' && occupant) {
          if (!_.includes(data.states, _converse_core__WEBPACK_IMPORTED_MODULE_6__["default"].MUC_NICK_CHANGED_CODE) && !occupant.isMember()) {
            // We only destroy the occupant if this is not a nickname change operation.
            // and if they're not on the member lists.
            // Before destroying we set the new data, so
            // that we can show the disconnection message.
            occupant.set(data);
            occupant.destroy();
            return;
          }
        }

        const jid = Strophe.getBareJidFromJid(data.jid);

        const attributes = _.extend(data, {
          'jid': jid ? jid : undefined,
          'resource': data.jid ? Strophe.getResourceFromJid(data.jid) : undefined
        });

        if (occupant) {
          occupant.save(attributes);
        } else {
          this.occupants.create(attributes);
        }
      },

      parsePresence(pres) {
        const from = pres.getAttribute("from"),
              type = pres.getAttribute("type"),
              data = {
          'from': from,
          'nick': Strophe.getResourceFromJid(from),
          'type': type,
          'states': [],
          'show': type !== 'unavailable' ? 'online' : 'offline'
        };

        _.each(pres.childNodes, function (child) {
          switch (child.nodeName) {
            case "status":
              data.status = child.textContent || null;
              break;

            case "show":
              data.show = child.textContent || 'online';
              break;

            case "x":
              if (child.getAttribute("xmlns") === Strophe.NS.MUC_USER) {
                _.each(child.childNodes, function (item) {
                  switch (item.nodeName) {
                    case "item":
                      data.affiliation = item.getAttribute("affiliation");
                      data.role = item.getAttribute("role");
                      data.jid = item.getAttribute("jid");
                      data.nick = item.getAttribute("nick") || data.nick;
                      break;

                    case "status":
                      if (item.getAttribute("code")) {
                        data.states.push(item.getAttribute("code"));
                      }

                  }
                });
              } else if (child.getAttribute("xmlns") === Strophe.NS.VCARDUPDATE) {
                data.image_hash = _.get(child.querySelector('photo'), 'textContent');
              }

          }
        });

        return data;
      },

      isDuplicate(message, original_stanza) {
        // XXX: original_stanza is not used here, but in converse-mam
        const msgid = message.getAttribute('id'),
              jid = message.getAttribute('from');

        if (msgid) {
          const msg = this.messages.findWhere({
            'msgid': msgid,
            'from': jid
          });

          if (msg && msg.get('sender') === 'me' && !msg.get('received')) {
            msg.save({
              'received': moment().format()
            });
          }

          return msg;
        }

        return false;
      },

      fetchFeaturesIfConfigurationChanged(stanza) {
        const configuration_changed = stanza.querySelector("status[code='104']"),
              logging_enabled = stanza.querySelector("status[code='170']"),
              logging_disabled = stanza.querySelector("status[code='171']"),
              room_no_longer_anon = stanza.querySelector("status[code='172']"),
              room_now_semi_anon = stanza.querySelector("status[code='173']"),
              room_now_fully_anon = stanza.querySelector("status[code='173']");

        if (configuration_changed || logging_enabled || logging_disabled || room_no_longer_anon || room_now_semi_anon || room_now_fully_anon) {
          this.refreshRoomFeatures();
        }
      },

      async onMessage(stanza) {
        /* Handler for all MUC messages sent to this groupchat.
         *
         * Parameters:
         *  (XMLElement) stanza: The message stanza.
         */
        this.fetchFeaturesIfConfigurationChanged(stanza);
        const original_stanza = stanza,
              forwarded = sizzle(`forwarded[xmlns="${Strophe.NS.FORWARD}"]`, stanza).pop();

        if (forwarded) {
          stanza = forwarded.querySelector('message');
        }

        if (this.isDuplicate(stanza, original_stanza)) {
          return;
        }

        const jid = stanza.getAttribute('from'),
              resource = Strophe.getResourceFromJid(jid),
              sender = resource && Strophe.unescapeNode(resource) || '';

        if (!this.handleMessageCorrection(stanza)) {
          if (sender === '') {
            return;
          }

          const subject_el = stanza.querySelector('subject');

          if (subject_el) {
            const subject = _.propertyOf(subject_el)('textContent') || '';
            _utils_form__WEBPACK_IMPORTED_MODULE_7__["default"].safeSave(this, {
              'subject': {
                'author': sender,
                'text': subject
              }
            });
          }

          const msg = await this.createMessage(stanza, original_stanza);

          if (forwarded && msg && msg.get('sender') === 'me') {
            msg.save({
              'received': moment().format()
            });
          }

          this.incrementUnreadMsgCounter(msg);
        }

        if (sender !== this.get('nick')) {
          // We only emit an event if it's not our own message
          _converse.emit('message', {
            'stanza': original_stanza,
            'chatbox': this
          });
        }
      },

      onPresence(pres) {
        /* Handles all MUC presence stanzas.
         *
         * Parameters:
         *  (XMLElement) pres: The stanza
         */
        if (pres.getAttribute('type') === 'error') {
          this.save('connection_status', _converse_core__WEBPACK_IMPORTED_MODULE_6__["default"].ROOMSTATUS.DISCONNECTED);
          return;
        }

        const is_self = pres.querySelector("status[code='110']");

        if (is_self && pres.getAttribute('type') !== 'unavailable') {
          this.onOwnPresence(pres);
        }

        this.updateOccupantsOnPresence(pres);

        if (this.get('role') !== 'none' && this.get('connection_status') === _converse_core__WEBPACK_IMPORTED_MODULE_6__["default"].ROOMSTATUS.CONNECTING) {
          this.save('connection_status', _converse_core__WEBPACK_IMPORTED_MODULE_6__["default"].ROOMSTATUS.CONNECTED);
        }
      },

      onOwnPresence(pres) {
        /* Handles a received presence relating to the current
         * user.
         *
         * For locked groupchats (which are by definition "new"), the
         * groupchat will either be auto-configured or created instantly
         * (with default config) or a configuration groupchat will be
         * rendered.
         *
         * If the groupchat is not locked, then the groupchat will be
         * auto-configured only if applicable and if the current
         * user is the groupchat's owner.
         *
         * Parameters:
         *  (XMLElement) pres: The stanza
         */
        this.saveAffiliationAndRole(pres);
        const locked_room = pres.querySelector("status[code='201']");

        if (locked_room) {
          if (this.get('auto_configure')) {
            this.autoConfigureChatRoom().then(() => this.refreshRoomFeatures());
          } else if (_converse.muc_instant_rooms) {
            // Accept default configuration
            this.saveConfiguration().then(() => this.refreshRoomFeatures());
          } else {
            this.trigger('configurationNeeded');
            return; // We haven't yet entered the groupchat, so bail here.
          }
        } else if (!this.features.get('fetched')) {
          // The features for this groupchat weren't fetched.
          // That must mean it's a new groupchat without locking
          // (in which case Prosody doesn't send a 201 status),
          // otherwise the features would have been fetched in
          // the "initialize" method already.
          if (this.get('affiliation') === 'owner' && this.get('auto_configure')) {
            this.autoConfigureChatRoom().then(() => this.refreshRoomFeatures());
          } else {
            this.getRoomFeatures();
          }
        }

        this.save('connection_status', _converse_core__WEBPACK_IMPORTED_MODULE_6__["default"].ROOMSTATUS.ENTERED);
      },

      isUserMentioned(message) {
        /* Returns a boolean to indicate whether the current user
         * was mentioned in a message.
         *
         * Parameters:
         *  (String): The text message
         */
        const nick = this.get('nick');

        if (message.get('references').length) {
          const mentions = message.get('references').filter(ref => ref.type === 'mention').map(ref => ref.value);
          return _.includes(mentions, nick);
        } else {
          return new RegExp(`\\b${nick}\\b`).test(message.get('message'));
        }
      },

      incrementUnreadMsgCounter(message) {
        /* Given a newly received message, update the unread counter if
         * necessary.
         *
         * Parameters:
         *  (XMLElement): The <messsage> stanza
         */
        if (!message) {
          return;
        }

        const body = message.get('message');

        if (_.isNil(body)) {
          return;
        }

        if (_utils_form__WEBPACK_IMPORTED_MODULE_7__["default"].isNewMessage(message) && this.isHidden()) {
          const settings = {
            'num_unread_general': this.get('num_unread_general') + 1
          };

          if (this.isUserMentioned(message)) {
            settings.num_unread = this.get('num_unread') + 1;

            _converse.incrementMsgCounter();
          }

          this.save(settings);
        }
      },

      clearUnreadMsgCounter() {
        _utils_form__WEBPACK_IMPORTED_MODULE_7__["default"].safeSave(this, {
          'num_unread': 0,
          'num_unread_general': 0
        });
      }

    });
    _converse.ChatRoomOccupant = Backbone.Model.extend({
      defaults: {
        'show': 'offline',
        'states': []
      },

      initialize(attributes) {
        this.set(_.extend({
          'id': _converse.connection.getUniqueId()
        }, attributes));
        this.on('change:image_hash', this.onAvatarChanged, this);
      },

      onAvatarChanged() {
        const hash = this.get('image_hash');
        const vcards = [];

        if (this.get('jid')) {
          vcards.push(_converse.vcards.findWhere({
            'jid': this.get('jid')
          }));
        }

        vcards.push(_converse.vcards.findWhere({
          'jid': this.get('from')
        }));

        _.forEach(_.filter(vcards, undefined), vcard => {
          if (hash && vcard.get('image_hash') !== hash) {
            _converse.api.vcard.update(vcard, true);
          }
        });
      },

      getDisplayName() {
        return this.get('nick') || this.get('jid');
      },

      isMember() {
        return _.includes(['admin', 'owner', 'member'], this.get('affiliation'));
      },

      isSelf() {
        return this.get('states').includes('110');
      }

    });
    _converse.ChatRoomOccupants = Backbone.Collection.extend({
      model: _converse.ChatRoomOccupant,

      comparator(occupant1, occupant2) {
        const role1 = occupant1.get('role') || 'none';
        const role2 = occupant2.get('role') || 'none';

        if (MUC_ROLE_WEIGHTS[role1] === MUC_ROLE_WEIGHTS[role2]) {
          const nick1 = occupant1.getDisplayName().toLowerCase();
          const nick2 = occupant2.getDisplayName().toLowerCase();
          return nick1 < nick2 ? -1 : nick1 > nick2 ? 1 : 0;
        } else {
          return MUC_ROLE_WEIGHTS[role1] < MUC_ROLE_WEIGHTS[role2] ? -1 : 1;
        }
      },

      async fetchMembers() {
        const new_members = await this.chatroom.getJidsWithAffiliations(['member', 'owner', 'admin']);
        const new_jids = new_members.map(m => m.jid).filter(m => !_.isUndefined(m)),
              new_nicks = new_members.map(m => !m.jid && m.nick || undefined).filter(m => !_.isUndefined(m)),
              removed_members = this.filter(m => {
          return f.includes(m.get('affiliation'), ['admin', 'member', 'owner']) && !f.includes(m.get('nick'), new_nicks) && !f.includes(m.get('jid'), new_jids);
        });

        _.each(removed_members, occupant => {
          if (occupant.get('jid') === _converse.bare_jid) {
            return;
          }

          if (occupant.get('show') === 'offline') {
            occupant.destroy();
          }
        });

        _.each(new_members, attrs => {
          let occupant;

          if (attrs.jid) {
            occupant = this.findOccupant({
              'jid': attrs.jid
            });
          } else {
            occupant = this.findOccupant({
              'nick': attrs.nick
            });
          }

          if (occupant) {
            occupant.save(attrs);
          } else {
            this.create(attrs);
          }
        });
      },

      findOccupant(data) {
        /* Try to find an existing occupant based on the passed in
         * data object.
         *
         * If we have a JID, we use that as lookup variable,
         * otherwise we use the nick. We don't always have both,
         * but should have at least one or the other.
         */
        const jid = Strophe.getBareJidFromJid(data.jid);

        if (jid !== null) {
          return this.where({
            'jid': jid
          }).pop();
        } else {
          return this.where({
            'nick': data.nick
          }).pop();
        }
      }

    });
    _converse.RoomsPanelModel = Backbone.Model.extend({
      defaults: {
        'muc_domain': ''
      }
    });

    _converse.onDirectMUCInvitation = function (message) {
      /* A direct MUC invitation to join a groupchat has been received
       * See XEP-0249: Direct MUC invitations.
       *
       * Parameters:
       *  (XMLElement) message: The message stanza containing the
       *        invitation.
       */
      const x_el = sizzle('x[xmlns="jabber:x:conference"]', message).pop(),
            from = Strophe.getBareJidFromJid(message.getAttribute('from')),
            room_jid = x_el.getAttribute('jid'),
            reason = x_el.getAttribute('reason');

      let contact = _converse.roster.get(from),
          result;

      if (_converse.auto_join_on_invite) {
        result = true;
      } else {
        // Invite request might come from someone not your roster list
        contact = contact ? contact.get('fullname') : Strophe.getNodeFromJid(from);

        if (!reason) {
          result = confirm(__("%1$s has invited you to join a groupchat: %2$s", contact, room_jid));
        } else {
          result = confirm(__('%1$s has invited you to join a groupchat: %2$s, and left the following reason: "%3$s"', contact, room_jid, reason));
        }
      }

      if (result === true) {
        const chatroom = _converse.openChatRoom(room_jid, {
          'password': x_el.getAttribute('password')
        });

        if (chatroom.get('connection_status') === _converse_core__WEBPACK_IMPORTED_MODULE_6__["default"].ROOMSTATUS.DISCONNECTED) {
          _converse.chatboxviews.get(room_jid).join();
        }
      }
    };

    if (_converse.allow_muc_invitations) {
      const registerDirectInvitationHandler = function registerDirectInvitationHandler() {
        _converse.connection.addHandler(message => {
          _converse.onDirectMUCInvitation(message);

          return true;
        }, 'jabber:x:conference', 'message');
      };

      _converse.on('connected', registerDirectInvitationHandler);

      _converse.on('reconnected', registerDirectInvitationHandler);
    }

    const getChatRoom = function getChatRoom(jid, attrs, create) {
      jid = jid.toLowerCase();
      attrs.type = _converse.CHATROOMS_TYPE;
      attrs.id = jid;
      attrs.box_id = b64_sha1(jid);
      return _converse.chatboxes.getChatBox(jid, attrs, create);
    };

    const createChatRoom = function createChatRoom(jid, attrs) {
      if (jid.startsWith('xmpp:') && jid.endsWith('?join')) {
        jid = jid.replace(/^xmpp:/, '').replace(/\?join$/, '');
      }

      return getChatRoom(jid, attrs, true);
    };

    function autoJoinRooms() {
      /* Automatically join groupchats, based on the
       * "auto_join_rooms" configuration setting, which is an array
       * of strings (groupchat JIDs) or objects (with groupchat JID and other
       * settings).
       */
      _.each(_converse.auto_join_rooms, function (groupchat) {
        if (_converse.chatboxes.where({
          'jid': groupchat
        }).length) {
          return;
        }

        if (_.isString(groupchat)) {
          _converse.api.rooms.open(groupchat);
        } else if (_.isObject(groupchat)) {
          _converse.api.rooms.open(groupchat.jid, groupchat.nick);
        } else {
          _converse.log('Invalid groupchat criteria specified for "auto_join_rooms"', Strophe.LogLevel.ERROR);
        }
      });

      _converse.emit('roomsAutoJoined');
    }

    function disconnectChatRooms() {
      /* When disconnecting, mark all groupchats as
       * disconnected, so that they will be properly entered again
       * when fetched from session storage.
       */
      _converse.chatboxes.each(function (model) {
        if (model.get('type') === _converse.CHATROOMS_TYPE) {
          model.save('connection_status', _converse_core__WEBPACK_IMPORTED_MODULE_6__["default"].ROOMSTATUS.DISCONNECTED);
        }
      });
    }

    function fetchRegistrationForm(room_jid, user_jid) {
      _converse.api.sendIQ($iq({
        'from': user_jid,
        'to': room_jid,
        'type': 'get'
      }).c('query', {
        'xmlns': Strophe.NS.REGISTER
      })).then(iq => {}).catch(iq => {
        if (sizzle('item-not-found[xmlns="urn:ietf:params:xml:ns:xmpp-stanzas"]', iq).length) {
          this.feedback.set('error', __('Error: the groupchat %1$s does not exist.', this.model.getDisplayName()));
        } else if (sizzle('not-allowed[xmlns="urn:ietf:params:xml:ns:xmpp-stanzas"]').length) {
          this.feedback.set('error', __("Sorry, you're not allowed to register in this groupchat"));
        }
      });
    }
    /************************ BEGIN Event Handlers ************************/


    _converse.on('addClientFeatures', () => {
      if (_converse.allow_muc) {
        _converse.api.disco.own.features.add(Strophe.NS.MUC);
      }

      if (_converse.allow_muc_invitations) {
        _converse.api.disco.own.features.add('jabber:x:conference'); // Invites

      }
    });

    _converse.api.listen.on('chatBoxesFetched', autoJoinRooms);

    _converse.api.listen.on('disconnecting', disconnectChatRooms);

    _converse.api.listen.on('statusInitialized', () => {
      // XXX: For websocket connections, we disconnect from all
      // chatrooms when the page reloads. This is a workaround for
      // issue #1111 and should be removed once we support XEP-0198
      const options = {
        'once': true,
        'passive': true
      };
      window.addEventListener(_converse.unloadevent, () => {
        if (_converse.connection._proto instanceof Strophe.Websocket) {
          disconnectChatRooms();
        }
      });
    });
    /************************ END Event Handlers ************************/

    /************************ BEGIN API ************************/
    // We extend the default converse.js API to add methods specific to MUC groupchats.


    _.extend(_converse.api, {
      /**
       * The "rooms" namespace groups methods relevant to chatrooms
       * (aka groupchats).
       *
       * @namespace _converse.api.rooms
       * @memberOf _converse.api
       */
      'rooms': {
        /**
         * Creates a new MUC chatroom (aka groupchat)
         *
         * Similar to {@link _converse.api.rooms.open}, but creates
         * the chatroom in the background (i.e. doesn't cause a
         * view to open).
         *
         * @method _converse.api.rooms.create
         * @param {(string[]|string)} jid|jids The JID or array of
         *     JIDs of the chatroom(s) to create
         * @param {object} [attrs] attrs The room attributes
         */
        'create'(jids, attrs) {
          if (_.isString(attrs)) {
            attrs = {
              'nick': attrs
            };
          } else if (_.isUndefined(attrs)) {
            attrs = {};
          }

          if (_.isUndefined(attrs.maximize)) {
            attrs.maximize = false;
          }

          if (!attrs.nick && _converse.muc_nickname_from_jid) {
            attrs.nick = Strophe.getNodeFromJid(_converse.bare_jid);
          }

          if (_.isUndefined(jids)) {
            throw new TypeError('rooms.create: You need to provide at least one JID');
          } else if (_.isString(jids)) {
            return createChatRoom(jids, attrs);
          }

          return _.map(jids, _.partial(createChatRoom, _, attrs));
        },

        /**
         * Opens a MUC chatroom (aka groupchat)
         *
         * Similar to {@link _converse.api.chats.open}, but for groupchats.
         *
         * @method _converse.api.rooms.open
         * @param {string} jid The room JID or JIDs (if not specified, all
         *     currently open rooms will be returned).
         * @param {string} attrs A map  containing any extra room attributes.
         * @param {string} [attrs.nick] The current user's nickname for the MUC
         * @param {boolean} [attrs.auto_configure] A boolean, indicating
         *     whether the room should be configured automatically or not.
         *     If set to `true`, then it makes sense to pass in configuration settings.
         * @param {object} [attrs.roomconfig] A map of configuration settings to be used when the room gets
         *     configured automatically. Currently it doesn't make sense to specify
         *     `roomconfig` values if `auto_configure` is set to `false`.
         *     For a list of configuration values that can be passed in, refer to these values
         *     in the [XEP-0045 MUC specification](http://xmpp.org/extensions/xep-0045.html#registrar-formtype-owner).
         *     The values should be named without the `muc#roomconfig_` prefix.
         * @param {boolean} [attrs.maximize] A boolean, indicating whether minimized rooms should also be
         *     maximized, when opened. Set to `false` by default.
         * @param {boolean} [attrs.bring_to_foreground] A boolean indicating whether the room should be
         *     brought to the foreground and therefore replace the currently shown chat.
         *     If there is no chat currently open, then this option is ineffective.
         *
         * @example
         * this._converse.api.rooms.open('group@muc.example.com')
         *
         * @example
         * // To return an array of rooms, provide an array of room JIDs:
         * _converse.api.rooms.open(['group1@muc.example.com', 'group2@muc.example.com'])
         *
         * @example
         * // To setup a custom nickname when joining the room, provide the optional nick argument:
         * _converse.api.rooms.open('group@muc.example.com', {'nick': 'mycustomnick'})
         *
         * @example
         * // For example, opening a room with a specific default configuration:
         * _converse.api.rooms.open(
         *     'myroom@conference.example.org',
         *     { 'nick': 'coolguy69',
         *       'auto_configure': true,
         *       'roomconfig': {
         *           'changesubject': false,
         *           'membersonly': true,
         *           'persistentroom': true,
         *           'publicroom': true,
         *           'roomdesc': 'Comfy room for hanging out',
         *           'whois': 'anyone'
         *       }
         *     },
         *     true
         * );
         */
        'open': async function open(jids, attrs) {
          await _converse.api.waitUntil('chatBoxesFetched');

          if (_.isUndefined(jids)) {
            const err_msg = 'rooms.open: You need to provide at least one JID';

            _converse.log(err_msg, Strophe.LogLevel.ERROR);

            throw new TypeError(err_msg);
          } else if (_.isString(jids)) {
            return _converse.api.rooms.create(jids, attrs).trigger('show');
          } else {
            return _.map(jids, jid => _converse.api.rooms.create(jid, attrs).trigger('show'));
          }
        },

        /**
         * Returns an object representing a MUC chatroom (aka groupchat)
         *
         * @method _converse.api.rooms.get
         * @param {string} [jid] The room JID (if not specified, all rooms will be returned).
         * @param {object} attrs A map containing any extra room attributes For example, if you want
         *     to specify the nickname, use `{'nick': 'bloodninja'}`. Previously (before
         *     version 1.0.7, the second parameter only accepted the nickname (as a string
         *     value). This is currently still accepted, but then you can't pass in any
         *     other room attributes. If the nickname is not specified then the node part of
         *     the user's JID will be used.
         * @param {boolean} create A boolean indicating whether the room should be created
         *     if not found (default: `false`)
         * @example
         * _converse.api.waitUntil('roomsAutoJoined').then(() => {
         *     const create_if_not_found = true;
         *     _converse.api.rooms.get(
         *         'group@muc.example.com',
         *         {'nick': 'dread-pirate-roberts'},
         *         create_if_not_found
         *     )
         * });
         */
        'get'(jids, attrs, create) {
          if (_.isString(attrs)) {
            attrs = {
              'nick': attrs
            };
          } else if (_.isUndefined(attrs)) {
            attrs = {};
          }

          if (_.isUndefined(jids)) {
            const result = [];

            _converse.chatboxes.each(function (chatbox) {
              if (chatbox.get('type') === _converse.CHATROOMS_TYPE) {
                result.push(chatbox);
              }
            });

            return result;
          }

          if (!attrs.nick) {
            attrs.nick = Strophe.getNodeFromJid(_converse.bare_jid);
          }

          if (_.isString(jids)) {
            return getChatRoom(jids, attrs);
          }

          return _.map(jids, _.partial(getChatRoom, _, attrs));
        }

      }
    });
    /************************ END API ************************/

  }

});

/***/ }),

/***/ "./src/headless/converse-ping.js":
/*!***************************************!*\
  !*** ./src/headless/converse-ping.js ***!
  \***************************************/
/*! no exports provided */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var strophejs_plugin_ping__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! strophejs-plugin-ping */ "./node_modules/strophejs-plugin-ping/strophe.ping.js");
/* harmony import */ var strophejs_plugin_ping__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(strophejs_plugin_ping__WEBPACK_IMPORTED_MODULE_0__);
/* harmony import */ var _converse_core__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./converse-core */ "./src/headless/converse-core.js");
// Converse.js
// https://conversejs.org
//
// Copyright (c) 2013-2018, the Converse.js developers
// Licensed under the Mozilla Public License (MPLv2)

/* This is a Converse.js plugin which add support for application-level pings
 * as specified in XEP-0199 XMPP Ping.
 */

 // Strophe methods for building stanzas

const _converse$env = _converse_core__WEBPACK_IMPORTED_MODULE_1__["default"].env,
      Strophe = _converse$env.Strophe,
      _ = _converse$env._;
_converse_core__WEBPACK_IMPORTED_MODULE_1__["default"].plugins.add('converse-ping', {
  initialize() {
    /* The initialize function gets called as soon as the plugin is
     * loaded by converse.js's plugin machinery.
     */
    const _converse = this._converse;

    _converse.api.settings.update({
      ping_interval: 180 //in seconds

    });

    _converse.ping = function (jid, success, error, timeout) {
      // XXX: We could first check here if the server advertised that
      // it supports PING.
      // However, some servers don't advertise while still keeping the
      // connection option due to pings.
      //
      // var feature = _converse.disco_entities[_converse.domain].features.findWhere({'var': Strophe.NS.PING});
      _converse.lastStanzaDate = new Date();

      if (_.isNil(jid)) {
        jid = Strophe.getDomainFromJid(_converse.bare_jid);
      }

      if (_.isUndefined(timeout)) {
        timeout = null;
      }

      if (_.isUndefined(success)) {
        success = null;
      }

      if (_.isUndefined(error)) {
        error = null;
      }

      if (_converse.connection) {
        _converse.connection.ping.ping(jid, success, error, timeout);

        return true;
      }

      return false;
    };

    _converse.pong = function (ping) {
      _converse.lastStanzaDate = new Date();

      _converse.connection.ping.pong(ping);

      return true;
    };

    _converse.registerPongHandler = function () {
      if (!_.isUndefined(_converse.connection.disco)) {
        _converse.api.disco.own.features.add(Strophe.NS.PING);
      }

      _converse.connection.ping.addPingHandler(_converse.pong);
    };

    _converse.registerPingHandler = function () {
      _converse.registerPongHandler();

      if (_converse.ping_interval > 0) {
        _converse.connection.addHandler(function () {
          /* Handler on each stanza, saves the received date
           * in order to ping only when needed.
           */
          _converse.lastStanzaDate = new Date();
          return true;
        });

        _converse.connection.addTimedHandler(1000, function () {
          const now = new Date();

          if (!_converse.lastStanzaDate) {
            _converse.lastStanzaDate = now;
          }

          if ((now - _converse.lastStanzaDate) / 1000 > _converse.ping_interval) {
            return _converse.ping();
          }

          return true;
        });
      }
    };

    const onConnected = function onConnected() {
      // Wrapper so that we can spy on registerPingHandler in tests
      _converse.registerPingHandler();
    };

    _converse.on('connected', onConnected);

    _converse.on('reconnected', onConnected);
  }

});

/***/ }),

/***/ "./src/headless/converse-pubsub.js":
/*!*****************************************!*\
  !*** ./src/headless/converse-pubsub.js ***!
  \*****************************************/
/*! no exports provided */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var _converse_disco__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./converse-disco */ "./src/headless/converse-disco.js");
/* harmony import */ var _converse_core__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./converse-core */ "./src/headless/converse-core.js");
// Converse.js
// http://conversejs.org
//
// Copyright (c) 2018, the Converse.js developers
// Licensed under the Mozilla Public License (MPLv2)


const _converse$env = _converse_core__WEBPACK_IMPORTED_MODULE_1__["default"].env,
      Strophe = _converse$env.Strophe,
      Backbone = _converse$env.Backbone,
      Promise = _converse$env.Promise,
      $iq = _converse$env.$iq,
      $build = _converse$env.$build,
      $msg = _converse$env.$msg,
      $pres = _converse$env.$pres,
      b64_sha1 = _converse$env.b64_sha1,
      f = _converse$env.f,
      moment = _converse$env.moment,
      _ = _converse$env._;
Strophe.addNamespace('PUBSUB_ERROR', Strophe.NS.PUBSUB + "#errors");
_converse_core__WEBPACK_IMPORTED_MODULE_1__["default"].plugins.add('converse-pubsub', {
  dependencies: ["converse-disco"],

  initialize() {
    /* The initialize function gets called as soon as the plugin is
     * loaded by converse.js's plugin machinery.
     */
    const _converse = this._converse,
          __ = _converse.__;
    /************************ BEGIN API ************************/
    // We extend the default converse.js API to add methods specific to MUC groupchats.

    _.extend(_converse.api, {
      /**
       * The "pubsub" namespace groups methods relevant to PubSub
       *
       * @namespace _converse.api.pubsub
       * @memberOf _converse.api
       */
      'pubsub': {
        /**
         * Publshes an item to a PubSub node
         *
         * @method _converse.api.pubsub.publish
         * @param {string} jid The JID of the pubsub service where the node resides.
         * @param {string} node The node being published to
         * @param {Strophe.Builder} item The Strophe.Builder representation of the XML element being published
         * @param {object} options An object representing the publisher options
         *      (see https://xmpp.org/extensions/xep-0060.html#publisher-publish-options)
         * @param {boolean} strict_options Indicates whether the publisher
         *      options are a strict requirement or not. If they're NOT
         *      strict, then Converse will publish to the node even if
         *      the publish options precondication cannot be met.
         */
        async 'publish'(jid, node, item, options, strict_options = true) {
          const stanza = $iq({
            'from': _converse.bare_jid,
            'type': 'set',
            'to': jid
          }).c('pubsub', {
            'xmlns': Strophe.NS.PUBSUB
          }).c('publish', {
            'node': node
          }).cnode(item.tree()).up().up();

          if (options) {
            jid = jid || _converse.bare_jid;
            const result = await _converse.api.disco.supports(Strophe.NS.PUBSUB + '#publish-options', jid);

            if (result.length) {
              stanza.c('publish-options').c('x', {
                'xmlns': Strophe.NS.XFORM,
                'type': 'submit'
              }).c('field', {
                'var': 'FORM_TYPE',
                'type': 'hidden'
              }).c('value').t(`${Strophe.NS.PUBSUB}#publish-options`).up().up();
              Object.keys(options).forEach(k => stanza.c('field', {
                'var': k
              }).c('value').t(options[k]).up().up());
            } else {
              _converse.log(`_converse.api.publish: ${jid} does not support #publish-options, ` + `so we didn't set them even though they were provided.`);
            }
          }

          try {
            _converse.api.sendIQ(stanza);
          } catch (iq) {
            if (iq instanceof Element && strict_options && iq.querySelector(`precondition-not-met[xmlns="${Strophe.NS.PUBSUB_ERROR}"]`)) {
              // The publish-options precondition couldn't be
              // met. We re-publish but without publish-options.
              const el = stanza.nodeTree;
              el.querySelector('publish-options').outerHTML = '';

              _converse.log(`PubSub: Republishing without publish options. ${el.outerHTML}`, Strophe.LogLevel.WARN);

              _converse.api.sendIQ(el);
            } else {
              throw iq;
            }
          }
        }

      }
    });
    /************************ END API ************************/

  }

});

/***/ }),

/***/ "./src/headless/converse-roster.js":
/*!*****************************************!*\
  !*** ./src/headless/converse-roster.js ***!
  \*****************************************/
/*! no exports provided */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! @converse/headless/converse-core */ "./src/headless/converse-core.js");
// Converse.js
// http://conversejs.org
//
// Copyright (c) 2013-2018, the Converse.js developers
// Licensed under the Mozilla Public License (MPLv2)

const _converse$env = _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_0__["default"].env,
      Backbone = _converse$env.Backbone,
      Promise = _converse$env.Promise,
      Strophe = _converse$env.Strophe,
      $iq = _converse$env.$iq,
      $pres = _converse$env.$pres,
      b64_sha1 = _converse$env.b64_sha1,
      moment = _converse$env.moment,
      sizzle = _converse$env.sizzle,
      _ = _converse$env._;
const u = _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_0__["default"].env.utils;
_converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_0__["default"].plugins.add('converse-roster', {
  dependencies: ["converse-vcard"],

  initialize() {
    /* The initialize function gets called as soon as the plugin is
     * loaded by converse.js's plugin machinery.
     */
    const _converse = this._converse,
          __ = _converse.__;

    _converse.api.settings.update({
      'allow_contact_requests': true,
      'auto_subscribe': false,
      'synchronize_availability': true
    });

    _converse.api.promises.add(['cachedRoster', 'roster', 'rosterContactsFetched', 'rosterGroupsFetched', 'rosterInitialized']);

    _converse.registerPresenceHandler = function () {
      _converse.unregisterPresenceHandler();

      _converse.presence_ref = _converse.connection.addHandler(function (presence) {
        _converse.roster.presenceHandler(presence);

        return true;
      }, null, 'presence', null);
    };

    _converse.initRoster = function () {
      /* Initialize the Bakcbone collections that represent the contats
       * roster and the roster groups.
       */
      const storage = _converse.config.get('storage');

      _converse.roster = new _converse.RosterContacts();
      _converse.roster.browserStorage = new Backbone.BrowserStorage[storage](b64_sha1(`converse.contacts-${_converse.bare_jid}`));
      _converse.roster.data = new Backbone.Model();
      const id = b64_sha1(`converse-roster-model-${_converse.bare_jid}`);
      _converse.roster.data.id = id;
      _converse.roster.data.browserStorage = new Backbone.BrowserStorage[storage](id);

      _converse.roster.data.fetch();

      _converse.rostergroups = new _converse.RosterGroups();
      _converse.rostergroups.browserStorage = new Backbone.BrowserStorage[storage](b64_sha1(`converse.roster.groups${_converse.bare_jid}`));

      _converse.emit('rosterInitialized');
    };

    _converse.populateRoster = function (ignore_cache = false) {
      /* Fetch all the roster groups, and then the roster contacts.
       * Emit an event after fetching is done in each case.
       *
       * Parameters:
       *    (Bool) ignore_cache - If set to to true, the local cache
       *      will be ignored it's guaranteed that the XMPP server
       *      will be queried for the roster.
       */
      if (ignore_cache) {
        _converse.send_initial_presence = true;

        _converse.roster.fetchFromServer().then(() => {
          _converse.emit('rosterContactsFetched');

          _converse.sendInitialPresence();
        }).catch(reason => {
          _converse.log(reason, Strophe.LogLevel.ERROR);

          _converse.sendInitialPresence();
        });
      } else {
        _converse.rostergroups.fetchRosterGroups().then(() => {
          _converse.emit('rosterGroupsFetched');

          return _converse.roster.fetchRosterContacts();
        }).then(() => {
          _converse.emit('rosterContactsFetched');

          _converse.sendInitialPresence();
        }).catch(reason => {
          _converse.log(reason, Strophe.LogLevel.ERROR);

          _converse.sendInitialPresence();
        });
      }
    };

    _converse.Presence = Backbone.Model.extend({
      defaults() {
        return {
          'show': 'offline',
          'resources': {}
        };
      },

      getHighestPriorityResource() {
        /* Return the resource with the highest priority.
         *
         * If multiple resources have the same priority, take the
         * latest one.
         */
        const resources = this.get('resources');

        if (_.isObject(resources) && _.size(resources)) {
          const val = _.flow(_.values, _.partial(_.sortBy, _, ['priority', 'timestamp']), _.reverse)(resources)[0];

          if (!_.isUndefined(val)) {
            return val;
          }
        }
      },

      addResource(presence) {
        /* Adds a new resource and it's associated attributes as taken
         * from the passed in presence stanza.
         *
         * Also updates the presence if the resource has higher priority (and is newer).
         */
        const jid = presence.getAttribute('from'),
              show = _.propertyOf(presence.querySelector('show'))('textContent') || 'online',
              resource = Strophe.getResourceFromJid(jid),
              delay = sizzle(`delay[xmlns="${Strophe.NS.DELAY}"]`, presence).pop(),
              timestamp = _.isNil(delay) ? moment().format() : moment(delay.getAttribute('stamp')).format();
        let priority = _.propertyOf(presence.querySelector('priority'))('textContent') || 0;
        priority = _.isNaN(parseInt(priority, 10)) ? 0 : parseInt(priority, 10);
        const resources = _.isObject(this.get('resources')) ? this.get('resources') : {};
        resources[resource] = {
          'name': resource,
          'priority': priority,
          'show': show,
          'timestamp': timestamp
        };
        const changed = {
          'resources': resources
        };
        const hpr = this.getHighestPriorityResource();

        if (priority == hpr.priority && timestamp == hpr.timestamp) {
          // Only set the "global" presence if this is the newest resource
          // with the highest priority
          changed.show = show;
        }

        this.save(changed);
        return resources;
      },

      removeResource(resource) {
        /* Remove the passed in resource from the resources map.
         *
         * Also redetermines the presence given that there's one less
         * resource.
         */
        let resources = this.get('resources');

        if (!_.isObject(resources)) {
          resources = {};
        } else {
          delete resources[resource];
        }

        this.save({
          'resources': resources,
          'show': _.propertyOf(this.getHighestPriorityResource())('show') || 'offline'
        });
      }

    });
    _converse.Presences = Backbone.Collection.extend({
      model: _converse.Presence
    });
    _converse.ModelWithVCardAndPresence = Backbone.Model.extend({
      initialize() {
        this.setVCard();
        this.setPresence();
      },

      setVCard() {
        const jid = this.get('jid');
        this.vcard = _converse.vcards.findWhere({
          'jid': jid
        }) || _converse.vcards.create({
          'jid': jid
        });
      },

      setPresence() {
        const jid = this.get('jid');
        this.presence = _converse.presences.findWhere({
          'jid': jid
        }) || _converse.presences.create({
          'jid': jid
        });
      }

    });
    _converse.RosterContact = _converse.ModelWithVCardAndPresence.extend({
      defaults: {
        'chat_state': undefined,
        'image': _converse.DEFAULT_IMAGE,
        'image_type': _converse.DEFAULT_IMAGE_TYPE,
        'num_unread': 0,
        'status': ''
      },

      initialize(attributes) {
        _converse.ModelWithVCardAndPresence.prototype.initialize.apply(this, arguments);

        const jid = attributes.jid,
              bare_jid = Strophe.getBareJidFromJid(jid).toLowerCase(),
              resource = Strophe.getResourceFromJid(jid);
        attributes.jid = bare_jid;
        this.set(_.assignIn({
          'groups': [],
          'id': bare_jid,
          'jid': bare_jid,
          'user_id': Strophe.getNodeFromJid(jid)
        }, attributes));
        this.setChatBox();
        this.presence.on('change:show', () => _converse.emit('contactPresenceChanged', this));
        this.presence.on('change:show', () => this.trigger('presenceChanged'));
      },

      setChatBox(chatbox = null) {
        chatbox = chatbox || _converse.chatboxes.get(this.get('jid'));

        if (chatbox) {
          this.chatbox = chatbox;
          this.chatbox.on('change:hidden', this.render, this);
        }
      },

      getDisplayName() {
        return this.get('nickname') || this.vcard.get('nickname') || this.vcard.get('fullname') || this.get('jid');
      },

      getFullname() {
        return this.vcard.get('fullname');
      },

      subscribe(message) {
        /* Send a presence subscription request to this roster contact
        *
        * Parameters:
        *    (String) message - An optional message to explain the
        *      reason for the subscription request.
        */
        const pres = $pres({
          to: this.get('jid'),
          type: "subscribe"
        });

        if (message && message !== "") {
          pres.c("status").t(message).up();
        }

        const nick = _converse.xmppstatus.vcard.get('nickname') || _converse.xmppstatus.vcard.get('fullname');

        if (nick) {
          pres.c('nick', {
            'xmlns': Strophe.NS.NICK
          }).t(nick).up();
        }

        _converse.api.send(pres);

        this.save('ask', "subscribe"); // ask === 'subscribe' Means we have asked to subscribe to them.

        return this;
      },

      ackSubscribe() {
        /* Upon receiving the presence stanza of type "subscribed",
        * the user SHOULD acknowledge receipt of that subscription
        * state notification by sending a presence stanza of type
        * "subscribe" to the contact
        */
        _converse.api.send($pres({
          'type': 'subscribe',
          'to': this.get('jid')
        }));
      },

      ackUnsubscribe() {
        /* Upon receiving the presence stanza of type "unsubscribed",
         * the user SHOULD acknowledge receipt of that subscription state
         * notification by sending a presence stanza of type "unsubscribe"
         * this step lets the user's server know that it MUST no longer
         * send notification of the subscription state change to the user.
         *  Parameters:
         *    (String) jid - The Jabber ID of the user who is unsubscribing
         */
        _converse.api.send($pres({
          'type': 'unsubscribe',
          'to': this.get('jid')
        }));

        this.removeFromRoster();
        this.destroy();
      },

      unauthorize(message) {
        /* Unauthorize this contact's presence subscription
        * Parameters:
        *   (String) message - Optional message to send to the person being unauthorized
        */
        _converse.rejectPresenceSubscription(this.get('jid'), message);

        return this;
      },

      authorize(message) {
        /* Authorize presence subscription
         * Parameters:
         *   (String) message - Optional message to send to the person being authorized
         */
        const pres = $pres({
          'to': this.get('jid'),
          'type': "subscribed"
        });

        if (message && message !== "") {
          pres.c("status").t(message);
        }

        _converse.api.send(pres);

        return this;
      },

      removeFromRoster() {
        /* Instruct the XMPP server to remove this contact from our roster
         * Parameters:
         *   (Function) callback
         */
        const iq = $iq({
          type: 'set'
        }).c('query', {
          xmlns: Strophe.NS.ROSTER
        }).c('item', {
          jid: this.get('jid'),
          subscription: "remove"
        });
        return _converse.api.sendIQ(iq);
      }

    });
    _converse.RosterContacts = Backbone.Collection.extend({
      model: _converse.RosterContact,

      comparator(contact1, contact2) {
        const status1 = contact1.presence.get('show') || 'offline';
        const status2 = contact2.presence.get('show') || 'offline';

        if (_converse.STATUS_WEIGHTS[status1] === _converse.STATUS_WEIGHTS[status2]) {
          const name1 = contact1.getDisplayName().toLowerCase();
          const name2 = contact2.getDisplayName().toLowerCase();
          return name1 < name2 ? -1 : name1 > name2 ? 1 : 0;
        } else {
          return _converse.STATUS_WEIGHTS[status1] < _converse.STATUS_WEIGHTS[status2] ? -1 : 1;
        }
      },

      onConnected() {
        /* Called as soon as the connection has been established
         * (either after initial login, or after reconnection).
         *
         * Use the opportunity to register stanza handlers.
         */
        this.registerRosterHandler();
        this.registerRosterXHandler();
      },

      registerRosterHandler() {
        /* Register a handler for roster IQ "set" stanzas, which update
         * roster contacts.
         */
        _converse.connection.addHandler(iq => {
          _converse.roster.onRosterPush(iq);

          return true;
        }, Strophe.NS.ROSTER, 'iq', "set");
      },

      registerRosterXHandler() {
        /* Register a handler for RosterX message stanzas, which are
         * used to suggest roster contacts to a user.
         */
        let t = 0;

        _converse.connection.addHandler(function (msg) {
          window.setTimeout(function () {
            _converse.connection.flush();

            _converse.roster.subscribeToSuggestedItems.bind(_converse.roster)(msg);
          }, t);
          t += msg.querySelectorAll('item').length * 250;
          return true;
        }, Strophe.NS.ROSTERX, 'message', null);
      },

      async fetchRosterContacts() {
        /* Fetches the roster contacts, first by trying the
         * sessionStorage cache, and if that's empty, then by querying
         * the XMPP server.
         *
         * Returns a promise which resolves once the contacts have been
         * fetched.
         */
        let collection;

        try {
          collection = await new Promise((resolve, reject) => {
            this.fetch({
              'add': true,
              'silent': true,
              'success': resolve,
              'error': reject
            });
          });
        } catch (e) {
          return _converse.log(e, Strophe.LogLevel.ERROR);
        }

        if (collection.length === 0 || this.rosterVersioningSupported() && !_converse.session.get('roster_fetched')) {
          _converse.send_initial_presence = true;

          _converse.roster.fetchFromServer();
        } else {
          _converse.emit('cachedRoster', collection);
        }
      },

      subscribeToSuggestedItems(msg) {
        _.each(msg.querySelectorAll('item'), function (item) {
          if (item.getAttribute('action') === 'add') {
            _converse.roster.addAndSubscribe(item.getAttribute('jid'), _converse.xmppstatus.vcard.get('nickname') || _converse.xmppstatus.vcard.get('fullname'));
          }
        });

        return true;
      },

      isSelf(jid) {
        return u.isSameBareJID(jid, _converse.connection.jid);
      },

      addAndSubscribe(jid, name, groups, message, attributes) {
        /* Add a roster contact and then once we have confirmation from
         * the XMPP server we subscribe to that contact's presence updates.
         *  Parameters:
         *    (String) jid - The Jabber ID of the user being added and subscribed to.
         *    (String) name - The name of that user
         *    (Array of Strings) groups - Any roster groups the user might belong to
         *    (String) message - An optional message to explain the
         *      reason for the subscription request.
         *    (Object) attributes - Any additional attributes to be stored on the user's model.
         */
        const handler = contact => {
          if (contact instanceof _converse.RosterContact) {
            contact.subscribe(message);
          }
        };

        this.addContactToRoster(jid, name, groups, attributes).then(handler, handler);
      },

      sendContactAddIQ(jid, name, groups) {
        /*  Send an IQ stanza to the XMPP server to add a new roster contact.
         *
         *  Parameters:
         *    (String) jid - The Jabber ID of the user being added
         *    (String) name - The name of that user
         *    (Array of Strings) groups - Any roster groups the user might belong to
         *    (Function) callback - A function to call once the IQ is returned
         *    (Function) errback - A function to call if an error occurred
         */
        name = _.isEmpty(name) ? jid : name;
        const iq = $iq({
          'type': 'set'
        }).c('query', {
          'xmlns': Strophe.NS.ROSTER
        }).c('item', {
          jid,
          name
        });

        _.each(groups, group => iq.c('group').t(group).up());

        return _converse.api.sendIQ(iq);
      },

      async addContactToRoster(jid, name, groups, attributes) {
        /* Adds a RosterContact instance to _converse.roster and
         * registers the contact on the XMPP server.
         * Returns a promise which is resolved once the XMPP server has
         * responded.
         *
         *  Parameters:
         *    (String) jid - The Jabber ID of the user being added and subscribed to.
         *    (String) name - The name of that user
         *    (Array of Strings) groups - Any roster groups the user might belong to
         *    (Object) attributes - Any additional attributes to be stored on the user's model.
         */
        groups = groups || [];

        try {
          await this.sendContactAddIQ(jid, name, groups);
        } catch (e) {
          _converse.log(e, Strophe.LogLevel.ERROR);

          alert(__('Sorry, there was an error while trying to add %1$s as a contact.', name));
          return e;
        }

        return this.create(_.assignIn({
          'ask': undefined,
          'nickname': name,
          groups,
          jid,
          'requesting': false,
          'subscription': 'none'
        }, attributes), {
          'sort': false
        });
      },

      subscribeBack(bare_jid, presence) {
        const contact = this.get(bare_jid);

        if (contact instanceof _converse.RosterContact) {
          contact.authorize().subscribe();
        } else {
          // Can happen when a subscription is retried or roster was deleted
          const handler = contact => {
            if (contact instanceof _converse.RosterContact) {
              contact.authorize().subscribe();
            }
          };

          const nickname = _.get(sizzle(`nick[xmlns="${Strophe.NS.NICK}"]`, presence).pop(), 'textContent', null);

          this.addContactToRoster(bare_jid, nickname, [], {
            'subscription': 'from'
          }).then(handler, handler);
        }
      },

      getNumOnlineContacts() {
        let ignored = ['offline', 'unavailable'];

        if (_converse.show_only_online_users) {
          ignored = _.union(ignored, ['dnd', 'xa', 'away']);
        }

        return _.sum(this.models.filter(model => !_.includes(ignored, model.presence.get('show'))));
      },

      onRosterPush(iq) {
        /* Handle roster updates from the XMPP server.
         * See: https://xmpp.org/rfcs/rfc6121.html#roster-syntax-actions-push
         *
         * Parameters:
         *    (XMLElement) IQ - The IQ stanza received from the XMPP server.
         */
        const id = iq.getAttribute('id');
        const from = iq.getAttribute('from');

        if (from && from !== _converse.bare_jid) {
          // https://tools.ietf.org/html/rfc6121#page-15
          // 
          // A receiving client MUST ignore the stanza unless it has no 'from'
          // attribute (i.e., implicitly from the bare JID of the user's
          // account) or it has a 'from' attribute whose value matches the
          // user's bare JID <user@domainpart>.
          return;
        }

        _converse.api.send($iq({
          type: 'result',
          id,
          from: _converse.connection.jid
        }));

        const query = sizzle(`query[xmlns="${Strophe.NS.ROSTER}"]`, iq).pop();
        this.data.save('version', query.getAttribute('ver'));
        const items = sizzle(`item`, query);

        if (items.length > 1) {
          _converse.log(iq, Strophe.LogLevel.ERROR);

          throw new Error('Roster push query may not contain more than one "item" element.');
        }

        if (items.length === 0) {
          _converse.log(iq, Strophe.LogLevel.WARN);

          _converse.log('Received a roster push stanza without an "item" element.', Strophe.LogLevel.WARN);

          return;
        }

        this.updateContact(items.pop());

        _converse.emit('rosterPush', iq);

        return;
      },

      rosterVersioningSupported() {
        return !!(_converse.api.disco.stream.getFeature('ver', 'urn:xmpp:features:rosterver') && this.data.get('version'));
      },

      async fetchFromServer() {
        /* Fetch the roster from the XMPP server */
        const stanza = $iq({
          'type': 'get',
          'id': _converse.connection.getUniqueId('roster')
        }).c('query', {
          xmlns: Strophe.NS.ROSTER
        });

        if (this.rosterVersioningSupported()) {
          stanza.attrs({
            'ver': this.data.get('version')
          });
        }

        let iq;

        try {
          iq = await _converse.api.sendIQ(stanza);
        } catch (e) {
          _converse.log(e, Strophe.LogLevel.ERROR);

          return _converse.log("Error while trying to fetch roster from the server", Strophe.LogLevel.ERROR);
        }

        return this.onReceivedFromServer(iq);
      },

      onReceivedFromServer(iq) {
        /* An IQ stanza containing the roster has been received from
         * the XMPP server.
         */
        const query = sizzle(`query[xmlns="${Strophe.NS.ROSTER}"]`, iq).pop();

        if (query) {
          const items = sizzle(`item`, query);

          _.each(items, item => this.updateContact(item));

          this.data.save('version', query.getAttribute('ver'));

          _converse.session.save('roster_fetched', true);
        }

        _converse.emit('roster', iq);
      },

      updateContact(item) {
        /* Update or create RosterContact models based on items
         * received in the IQ from the server.
         */
        const jid = item.getAttribute('jid');

        if (this.isSelf(jid)) {
          return;
        }

        const contact = this.get(jid),
              subscription = item.getAttribute("subscription"),
              ask = item.getAttribute("ask"),
              groups = _.map(item.getElementsByTagName('group'), Strophe.getText);

        if (!contact) {
          if (subscription === "none" && ask === null || subscription === "remove") {
            return; // We're lazy when adding contacts.
          }

          this.create({
            'ask': ask,
            'nickname': item.getAttribute("name"),
            'groups': groups,
            'jid': jid,
            'subscription': subscription
          }, {
            sort: false
          });
        } else {
          if (subscription === "remove") {
            return contact.destroy();
          } // We only find out about requesting contacts via the
          // presence handler, so if we receive a contact
          // here, we know they aren't requesting anymore.
          // see docs/DEVELOPER.rst


          contact.save({
            'subscription': subscription,
            'ask': ask,
            'requesting': null,
            'groups': groups
          });
        }
      },

      createRequestingContact(presence) {
        const bare_jid = Strophe.getBareJidFromJid(presence.getAttribute('from')),
              nickname = _.get(sizzle(`nick[xmlns="${Strophe.NS.NICK}"]`, presence).pop(), 'textContent', null);

        const user_data = {
          'jid': bare_jid,
          'subscription': 'none',
          'ask': null,
          'requesting': true,
          'nickname': nickname
        };

        _converse.emit('contactRequest', this.create(user_data));
      },

      handleIncomingSubscription(presence) {
        const jid = presence.getAttribute('from'),
              bare_jid = Strophe.getBareJidFromJid(jid),
              contact = this.get(bare_jid);

        if (!_converse.allow_contact_requests) {
          _converse.rejectPresenceSubscription(jid, __("This client does not allow presence subscriptions"));
        }

        if (_converse.auto_subscribe) {
          if (!contact || contact.get('subscription') !== 'to') {
            this.subscribeBack(bare_jid, presence);
          } else {
            contact.authorize();
          }
        } else {
          if (contact) {
            if (contact.get('subscription') !== 'none') {
              contact.authorize();
            } else if (contact.get('ask') === "subscribe") {
              contact.authorize();
            }
          } else {
            this.createRequestingContact(presence);
          }
        }
      },

      handleOwnPresence(presence) {
        const jid = presence.getAttribute('from'),
              resource = Strophe.getResourceFromJid(jid),
              presence_type = presence.getAttribute('type');

        if (_converse.connection.jid !== jid && presence_type !== 'unavailable' && (_converse.synchronize_availability === true || _converse.synchronize_availability === resource)) {
          // Another resource has changed its status and
          // synchronize_availability option set to update,
          // we'll update ours as well.
          const show = _.propertyOf(presence.querySelector('show'))('textContent') || 'online';

          _converse.xmppstatus.save({
            'status': show
          }, {
            'silent': true
          });

          const status_message = _.propertyOf(presence.querySelector('status'))('textContent');

          if (status_message) {
            _converse.xmppstatus.save({
              'status_message': status_message
            });
          }
        }

        if (_converse.jid === jid && presence_type === 'unavailable') {
          // XXX: We've received an "unavailable" presence from our
          // own resource. Apparently this happens due to a
          // Prosody bug, whereby we send an IQ stanza to remove
          // a roster contact, and Prosody then sends
          // "unavailable" globally, instead of directed to the
          // particular user that's removed.
          //
          // Here is the bug report: https://prosody.im/issues/1121
          //
          // I'm not sure whether this might legitimately happen
          // in other cases.
          //
          // As a workaround for now we simply send our presence again,
          // otherwise we're treated as offline.
          _converse.xmppstatus.sendPresence();
        }
      },

      presenceHandler(presence) {
        const presence_type = presence.getAttribute('type');

        if (presence_type === 'error') {
          return true;
        }

        const jid = presence.getAttribute('from'),
              bare_jid = Strophe.getBareJidFromJid(jid);

        if (this.isSelf(bare_jid)) {
          return this.handleOwnPresence(presence);
        } else if (sizzle(`query[xmlns="${Strophe.NS.MUC}"]`, presence).length) {
          return; // Ignore MUC
        }

        const status_message = _.propertyOf(presence.querySelector('status'))('textContent'),
              contact = this.get(bare_jid);

        if (contact && status_message !== contact.get('status')) {
          contact.save({
            'status': status_message
          });
        }

        if (presence_type === 'subscribed' && contact) {
          contact.ackSubscribe();
        } else if (presence_type === 'unsubscribed' && contact) {
          contact.ackUnsubscribe();
        } else if (presence_type === 'unsubscribe') {
          return;
        } else if (presence_type === 'subscribe') {
          this.handleIncomingSubscription(presence);
        } else if (presence_type === 'unavailable' && contact) {
          const resource = Strophe.getResourceFromJid(jid);
          contact.presence.removeResource(resource);
        } else if (contact) {
          // presence_type is undefined
          contact.presence.addResource(presence);
        }
      }

    });
    _converse.RosterGroup = Backbone.Model.extend({
      initialize(attributes) {
        this.set(_.assignIn({
          description: __('Click to hide these contacts'),
          state: _converse.OPENED
        }, attributes)); // Collection of contacts belonging to this group.

        this.contacts = new _converse.RosterContacts();
      }

    });
    _converse.RosterGroups = Backbone.Collection.extend({
      model: _converse.RosterGroup,

      fetchRosterGroups() {
        /* Fetches all the roster groups from sessionStorage.
        *
        * Returns a promise which resolves once the groups have been
        * returned.
        */
        return new Promise((resolve, reject) => {
          this.fetch({
            silent: true,
            // We need to first have all groups before
            // we can start positioning them, so we set
            // 'silent' to true.
            success: resolve
          });
        });
      }

    });

    _converse.unregisterPresenceHandler = function () {
      if (!_.isUndefined(_converse.presence_ref)) {
        _converse.connection.deleteHandler(_converse.presence_ref);

        delete _converse.presence_ref;
      }
    };
    /********** Event Handlers *************/


    function addRelatedContactToChatbox(chatbox, contact) {
      if (!_.isUndefined(contact)) {
        chatbox.contact = contact;
        chatbox.trigger('contactAdded', contact);
      }
    }

    function updateUnreadCounter(chatbox) {
      const contact = _converse.roster.findWhere({
        'jid': chatbox.get('jid')
      });

      if (!_.isUndefined(contact)) {
        contact.save({
          'num_unread': chatbox.get('num_unread')
        });
      }
    }

    _converse.api.listen.on('chatBoxesInitialized', () => {
      _converse.chatboxes.on('change:num_unread', updateUnreadCounter);

      _converse.chatboxes.on('add', async chatbox => {
        await _converse.api.waitUntil('rosterContactsFetched');
        addRelatedContactToChatbox(chatbox, _converse.roster.findWhere({
          'jid': chatbox.get('jid')
        }));
      });
    });

    _converse.api.listen.on('beforeTearDown', _converse.unregisterPresenceHandler());

    _converse.api.waitUntil('rosterContactsFetched').then(() => {
      _converse.roster.on('add', contact => {
        /* When a new contact is added, check if we already have a
         * chatbox open for it, and if so attach it to the chatbox.
         */
        const chatbox = _converse.chatboxes.findWhere({
          'jid': contact.get('jid')
        });

        if (chatbox) {
          addRelatedContactToChatbox(chatbox, contact);
        }
      });
    });

    _converse.api.listen.on('afterTearDown', () => {
      if (_converse.presences) {
        _converse.presences.off().reset(); // Remove presences

      }
    });

    _converse.api.listen.on('clearSession', () => {
      if (_converse.presences) {
        _converse.presences.browserStorage._clear();
      }
    });

    _converse.api.listen.on('statusInitialized', reconnecting => {
      if (!reconnecting) {
        _converse.presences = new _converse.Presences();
        _converse.presences.browserStorage = new Backbone.BrowserStorage.session(b64_sha1(`converse.presences-${_converse.bare_jid}`));

        _converse.presences.fetch();
      }

      _converse.emit('presencesInitialized', reconnecting);
    });

    _converse.api.listen.on('presencesInitialized', reconnecting => {
      if (reconnecting) {
        // No need to recreate the roster, otherwise we lose our
        // cached data. However we still emit an event, to give
        // event handlers a chance to register views for the
        // roster and its groups, before we start populating.
        _converse.emit('rosterReadyAfterReconnection');
      } else {
        _converse.registerIntervalHandler();

        _converse.initRoster();
      }

      _converse.roster.onConnected();

      _converse.populateRoster(reconnecting);

      _converse.registerPresenceHandler();
    });
    /************************ API ************************/
    // API methods only available to plugins


    _.extend(_converse.api, {
      /**
       * @namespace _converse.api.contacts
       * @memberOf _converse.api
       */
      'contacts': {
        /**
         * This method is used to retrieve roster contacts.
         * 
         * @method _converse.api.contacts.get
         * @params {(string[]|string)} jid|jids The JID or JIDs of
         *      the contacts to be returned.
         * @returns {(RosterContact[]|RosterContact)} [Backbone.Model](http://backbonejs.org/#Model)
         *      (or an array of them) representing the contact.
         *
         * @example
         * // Fetch a single contact
         * _converse.api.listen.on('rosterContactsFetched', function () {
         *     const contact = _converse.api.contacts.get('buddy@example.com')
         *     // ...
         * });
         * 
         * @example
         * // To get multiple contacts, pass in an array of JIDs:
         * _converse.api.listen.on('rosterContactsFetched', function () {
         *     const contacts = _converse.api.contacts.get(
         *         ['buddy1@example.com', 'buddy2@example.com']
         *     )
         *     // ...
         * });
         * 
         * @example
         * // To return all contacts, simply call ``get`` without any parameters:
         * _converse.api.listen.on('rosterContactsFetched', function () {
         *     const contacts = _converse.api.contacts.get();
         *     // ...
         * });
         */
        'get'(jids) {
          const _getter = function _getter(jid) {
            return _converse.roster.get(Strophe.getBareJidFromJid(jid)) || null;
          };

          if (_.isUndefined(jids)) {
            jids = _converse.roster.pluck('jid');
          } else if (_.isString(jids)) {
            return _getter(jids);
          }

          return _.map(jids, _getter);
        },

        /**
         * Add a contact.
         * 
         * @method _converse.api.contacts.add
         * @param {string} jid The JID of the contact to be added
         * @param {string} [name] A custom name to show the user by
         *     in the roster.
         * @example
         *     _converse.api.contacts.add('buddy@example.com')
         * @example
         *     _converse.api.contacts.add('buddy@example.com', 'Buddy')
         */
        'add'(jid, name) {
          if (!_.isString(jid) || !_.includes(jid, '@')) {
            throw new TypeError('contacts.add: invalid jid');
          }

          _converse.roster.addAndSubscribe(jid, _.isEmpty(name) ? jid : name);
        }

      }
    });
  }

});

/***/ }),

/***/ "./src/headless/converse-vcard.js":
/*!****************************************!*\
  !*** ./src/headless/converse-vcard.js ***!
  \****************************************/
/*! no exports provided */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var _converse_core__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./converse-core */ "./src/headless/converse-core.js");
/* harmony import */ var _templates_vcard_html__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./templates/vcard.html */ "./src/headless/templates/vcard.html");
/* harmony import */ var _templates_vcard_html__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(_templates_vcard_html__WEBPACK_IMPORTED_MODULE_1__);
// Converse.js
// http://conversejs.org
//
// Copyright (c) 2013-2018, the Converse.js developers
// Licensed under the Mozilla Public License (MPLv2)


const _converse$env = _converse_core__WEBPACK_IMPORTED_MODULE_0__["default"].env,
      Backbone = _converse$env.Backbone,
      Promise = _converse$env.Promise,
      Strophe = _converse$env.Strophe,
      _ = _converse$env._,
      $iq = _converse$env.$iq,
      $build = _converse$env.$build,
      b64_sha1 = _converse$env.b64_sha1,
      moment = _converse$env.moment,
      sizzle = _converse$env.sizzle;
const u = _converse_core__WEBPACK_IMPORTED_MODULE_0__["default"].env.utils;
_converse_core__WEBPACK_IMPORTED_MODULE_0__["default"].plugins.add('converse-vcard', {
  initialize() {
    /* The initialize function gets called as soon as the plugin is
     * loaded by converse.js's plugin machinery.
     */
    const _converse = this._converse;
    _converse.VCard = Backbone.Model.extend({
      defaults: {
        'image': _converse.DEFAULT_IMAGE,
        'image_type': _converse.DEFAULT_IMAGE_TYPE
      },

      set(key, val, options) {
        // Override Backbone.Model.prototype.set to make sure that the
        // default `image` and `image_type` values are maintained.
        let attrs;

        if (typeof key === 'object') {
          attrs = key;
          options = val;
        } else {
          (attrs = {})[key] = val;
        }

        if (_.has(attrs, 'image') && !attrs['image']) {
          attrs['image'] = _converse.DEFAULT_IMAGE;
          attrs['image_type'] = _converse.DEFAULT_IMAGE_TYPE;
          return Backbone.Model.prototype.set.call(this, attrs, options);
        } else {
          return Backbone.Model.prototype.set.apply(this, arguments);
        }
      }

    });
    _converse.VCards = Backbone.Collection.extend({
      model: _converse.VCard,

      initialize() {
        this.on('add', vcard => _converse.api.vcard.update(vcard));
      }

    });

    async function onVCardData(jid, iq) {
      const vcard = iq.querySelector('vCard');
      let result = {};

      if (!_.isNull(vcard)) {
        result = {
          'stanza': iq,
          'fullname': _.get(vcard.querySelector('FN'), 'textContent'),
          'nickname': _.get(vcard.querySelector('NICKNAME'), 'textContent'),
          'image': _.get(vcard.querySelector('PHOTO BINVAL'), 'textContent'),
          'image_type': _.get(vcard.querySelector('PHOTO TYPE'), 'textContent'),
          'url': _.get(vcard.querySelector('URL'), 'textContent'),
          'role': _.get(vcard.querySelector('ROLE'), 'textContent'),
          'email': _.get(vcard.querySelector('EMAIL USERID'), 'textContent'),
          'vcard_updated': moment().format(),
          'vcard_error': undefined
        };
      }

      if (result.image) {
        const buffer = u.base64ToArrayBuffer(result['image']);
        const ab = await crypto.subtle.digest('SHA-1', buffer);
        result['image_hash'] = u.arrayBufferToHex(ab);
      }

      return result;
    }

    function createStanza(type, jid, vcard_el) {
      const iq = $iq(jid ? {
        'type': type,
        'to': jid
      } : {
        'type': type
      });

      if (!vcard_el) {
        iq.c("vCard", {
          'xmlns': Strophe.NS.VCARD
        });
      } else {
        iq.cnode(vcard_el);
      }

      return iq;
    }

    function setVCard(jid, data) {
      if (!jid) {
        throw Error("No jid provided for the VCard data");
      }

      const vcard_el = Strophe.xmlHtmlNode(_templates_vcard_html__WEBPACK_IMPORTED_MODULE_1___default()(data)).firstElementChild;
      return _converse.api.sendIQ(createStanza("set", jid, vcard_el));
    }

    async function getVCard(_converse, jid) {
      /* Request the VCard of another user. Returns a promise.
       *
       * Parameters:
       *    (String) jid - The Jabber ID of the user whose VCard
       *      is being requested.
       */
      const to = Strophe.getBareJidFromJid(jid) === _converse.bare_jid ? null : jid;
      let iq;

      try {
        iq = await _converse.api.sendIQ(createStanza("get", to));
      } catch (iq) {
        return {
          'stanza': iq,
          'jid': jid,
          'vcard_error': moment().format()
        };
      }

      return onVCardData(jid, iq);
    }
    /* Event handlers */


    _converse.initVCardCollection = function () {
      _converse.vcards = new _converse.VCards();
      const id = b64_sha1(`${_converse.bare_jid}-converse.vcards`);
      _converse.vcards.browserStorage = new Backbone.BrowserStorage[_converse.config.get('storage')](id);

      _converse.vcards.fetch();
    };

    _converse.api.listen.on('sessionInitialized', _converse.initVCardCollection);

    _converse.on('addClientFeatures', () => {
      _converse.api.disco.own.features.add(Strophe.NS.VCARD);
    });

    _.extend(_converse.api, {
      /**
       * The XEP-0054 VCard API
       *
       * This API lets you access and update user VCards
       *
       * @namespace _converse.api.vcard
       * @memberOf _converse.api
       */
      'vcard': {
        /**
         * Enables setting new values for a VCard.
         *
         * @method _converse.api.vcard.set
         * @param {string} jid The JID for which the VCard should be set
         * @param {object} data A map of VCard keys and values
         * @example
         * _converse.api.vcard.set({
         *     'jid': _converse.bare_jid,
         *     'fn': 'John Doe',
         *     'nickname': 'jdoe'
         * }).then(() => {
         *     // Succes
         * }).catch(() => {
         *     // Failure
         * }).
         */
        'set'(jid, data) {
          return setVCard(jid, data);
        },

        /**
         * @method _converse.api.vcard.get
         * @param {Backbone.Model|string} model Either a `Backbone.Model` instance, or a string JID.
         *     If a `Backbone.Model` instance is passed in, then it must have either a `jid`
         *     attribute or a `muc_jid` attribute.
         * @param {boolean} [force] A boolean indicating whether the vcard should be
         *     fetched even if it's been fetched before.
         * @returns {promise} A Promise which resolves with the VCard data for a particular JID or for
         *     a `Backbone.Model` instance which represents an entity with a JID (such as a roster contact,
         *     chat or chatroom occupant).
         *
         * @example
         * _converse.api.waitUntil('rosterContactsFetched').then(() => {
         *     _converse.api.vcard.get('someone@example.org').then(
         *         (vcard) => {
         *             // Do something with the vcard...
         *         }
         *     );
         * });
         */
        'get'(model, force) {
          if (_.isString(model)) {
            return getVCard(_converse, model);
          } else if (force || !model.get('vcard_updated') || !moment(model.get('vcard_error')).isSame(new Date(), "day")) {
            const jid = model.get('jid');

            if (!jid) {
              throw new Error("No JID to get vcard for!");
            }

            return getVCard(_converse, jid);
          } else {
            return Promise.resolve({});
          }
        },

        /**
         * Fetches the VCard associated with a particular `Backbone.Model` instance
         * (by using its `jid` or `muc_jid` attribute) and then updates the model with the
         * returned VCard data.
         *
         * @method _converse.api.vcard.update
         * @param {Backbone.Model} model A `Backbone.Model` instance
         * @param {boolean} [force] A boolean indicating whether the vcard should be
         *     fetched again even if it's been fetched before.
         * @returns {promise} A promise which resolves once the update has completed.
         * @example
         * _converse.api.waitUntil('rosterContactsFetched').then(() => {
         *     const chatbox = _converse.chatboxes.getChatBox('someone@example.org');
         *     _converse.api.vcard.update(chatbox);
         * });
         */
        'update'(model, force) {
          return this.get(model, force).then(vcard => {
            delete vcard['stanza'];
            model.save(vcard);
          });
        }

      }
    });
  }

});

/***/ }),

/***/ "./src/headless/i18n.js":
/*!******************************!*\
  !*** ./src/headless/i18n.js ***!
  \******************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var moment_locale_af__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! moment/locale/af */ "./node_modules/moment/locale/af.js");
/* harmony import */ var moment_locale_af__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(moment_locale_af__WEBPACK_IMPORTED_MODULE_0__);
/* harmony import */ var moment_locale_ar__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! moment/locale/ar */ "./node_modules/moment/locale/ar.js");
/* harmony import */ var moment_locale_ar__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(moment_locale_ar__WEBPACK_IMPORTED_MODULE_1__);
/* harmony import */ var moment_locale_bg__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! moment/locale/bg */ "./node_modules/moment/locale/bg.js");
/* harmony import */ var moment_locale_bg__WEBPACK_IMPORTED_MODULE_2___default = /*#__PURE__*/__webpack_require__.n(moment_locale_bg__WEBPACK_IMPORTED_MODULE_2__);
/* harmony import */ var moment_locale_ca__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! moment/locale/ca */ "./node_modules/moment/locale/ca.js");
/* harmony import */ var moment_locale_ca__WEBPACK_IMPORTED_MODULE_3___default = /*#__PURE__*/__webpack_require__.n(moment_locale_ca__WEBPACK_IMPORTED_MODULE_3__);
/* harmony import */ var moment_locale_cs__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! moment/locale/cs */ "./node_modules/moment/locale/cs.js");
/* harmony import */ var moment_locale_cs__WEBPACK_IMPORTED_MODULE_4___default = /*#__PURE__*/__webpack_require__.n(moment_locale_cs__WEBPACK_IMPORTED_MODULE_4__);
/* harmony import */ var moment_locale_de__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(/*! moment/locale/de */ "./node_modules/moment/locale/de.js");
/* harmony import */ var moment_locale_de__WEBPACK_IMPORTED_MODULE_5___default = /*#__PURE__*/__webpack_require__.n(moment_locale_de__WEBPACK_IMPORTED_MODULE_5__);
/* harmony import */ var moment_locale_es__WEBPACK_IMPORTED_MODULE_6__ = __webpack_require__(/*! moment/locale/es */ "./node_modules/moment/locale/es.js");
/* harmony import */ var moment_locale_es__WEBPACK_IMPORTED_MODULE_6___default = /*#__PURE__*/__webpack_require__.n(moment_locale_es__WEBPACK_IMPORTED_MODULE_6__);
/* harmony import */ var moment_locale_eu__WEBPACK_IMPORTED_MODULE_7__ = __webpack_require__(/*! moment/locale/eu */ "./node_modules/moment/locale/eu.js");
/* harmony import */ var moment_locale_eu__WEBPACK_IMPORTED_MODULE_7___default = /*#__PURE__*/__webpack_require__.n(moment_locale_eu__WEBPACK_IMPORTED_MODULE_7__);
/* harmony import */ var moment_locale_fr__WEBPACK_IMPORTED_MODULE_8__ = __webpack_require__(/*! moment/locale/fr */ "./node_modules/moment/locale/fr.js");
/* harmony import */ var moment_locale_fr__WEBPACK_IMPORTED_MODULE_8___default = /*#__PURE__*/__webpack_require__.n(moment_locale_fr__WEBPACK_IMPORTED_MODULE_8__);
/* harmony import */ var moment_locale_gl__WEBPACK_IMPORTED_MODULE_9__ = __webpack_require__(/*! moment/locale/gl */ "./node_modules/moment/locale/gl.js");
/* harmony import */ var moment_locale_gl__WEBPACK_IMPORTED_MODULE_9___default = /*#__PURE__*/__webpack_require__.n(moment_locale_gl__WEBPACK_IMPORTED_MODULE_9__);
/* harmony import */ var moment_locale_he__WEBPACK_IMPORTED_MODULE_10__ = __webpack_require__(/*! moment/locale/he */ "./node_modules/moment/locale/he.js");
/* harmony import */ var moment_locale_he__WEBPACK_IMPORTED_MODULE_10___default = /*#__PURE__*/__webpack_require__.n(moment_locale_he__WEBPACK_IMPORTED_MODULE_10__);
/* harmony import */ var moment_locale_hi__WEBPACK_IMPORTED_MODULE_11__ = __webpack_require__(/*! moment/locale/hi */ "./node_modules/moment/locale/hi.js");
/* harmony import */ var moment_locale_hi__WEBPACK_IMPORTED_MODULE_11___default = /*#__PURE__*/__webpack_require__.n(moment_locale_hi__WEBPACK_IMPORTED_MODULE_11__);
/* harmony import */ var moment_locale_hu__WEBPACK_IMPORTED_MODULE_12__ = __webpack_require__(/*! moment/locale/hu */ "./node_modules/moment/locale/hu.js");
/* harmony import */ var moment_locale_hu__WEBPACK_IMPORTED_MODULE_12___default = /*#__PURE__*/__webpack_require__.n(moment_locale_hu__WEBPACK_IMPORTED_MODULE_12__);
/* harmony import */ var moment_locale_id__WEBPACK_IMPORTED_MODULE_13__ = __webpack_require__(/*! moment/locale/id */ "./node_modules/moment/locale/id.js");
/* harmony import */ var moment_locale_id__WEBPACK_IMPORTED_MODULE_13___default = /*#__PURE__*/__webpack_require__.n(moment_locale_id__WEBPACK_IMPORTED_MODULE_13__);
/* harmony import */ var moment_locale_it__WEBPACK_IMPORTED_MODULE_14__ = __webpack_require__(/*! moment/locale/it */ "./node_modules/moment/locale/it.js");
/* harmony import */ var moment_locale_it__WEBPACK_IMPORTED_MODULE_14___default = /*#__PURE__*/__webpack_require__.n(moment_locale_it__WEBPACK_IMPORTED_MODULE_14__);
/* harmony import */ var moment_locale_ja__WEBPACK_IMPORTED_MODULE_15__ = __webpack_require__(/*! moment/locale/ja */ "./node_modules/moment/locale/ja.js");
/* harmony import */ var moment_locale_ja__WEBPACK_IMPORTED_MODULE_15___default = /*#__PURE__*/__webpack_require__.n(moment_locale_ja__WEBPACK_IMPORTED_MODULE_15__);
/* harmony import */ var moment_locale_nb__WEBPACK_IMPORTED_MODULE_16__ = __webpack_require__(/*! moment/locale/nb */ "./node_modules/moment/locale/nb.js");
/* harmony import */ var moment_locale_nb__WEBPACK_IMPORTED_MODULE_16___default = /*#__PURE__*/__webpack_require__.n(moment_locale_nb__WEBPACK_IMPORTED_MODULE_16__);
/* harmony import */ var moment_locale_nl__WEBPACK_IMPORTED_MODULE_17__ = __webpack_require__(/*! moment/locale/nl */ "./node_modules/moment/locale/nl.js");
/* harmony import */ var moment_locale_nl__WEBPACK_IMPORTED_MODULE_17___default = /*#__PURE__*/__webpack_require__.n(moment_locale_nl__WEBPACK_IMPORTED_MODULE_17__);
/* harmony import */ var moment_locale_pl__WEBPACK_IMPORTED_MODULE_18__ = __webpack_require__(/*! moment/locale/pl */ "./node_modules/moment/locale/pl.js");
/* harmony import */ var moment_locale_pl__WEBPACK_IMPORTED_MODULE_18___default = /*#__PURE__*/__webpack_require__.n(moment_locale_pl__WEBPACK_IMPORTED_MODULE_18__);
/* harmony import */ var moment_locale_pt_br__WEBPACK_IMPORTED_MODULE_19__ = __webpack_require__(/*! moment/locale/pt-br */ "./node_modules/moment/locale/pt-br.js");
/* harmony import */ var moment_locale_pt_br__WEBPACK_IMPORTED_MODULE_19___default = /*#__PURE__*/__webpack_require__.n(moment_locale_pt_br__WEBPACK_IMPORTED_MODULE_19__);
/* harmony import */ var moment_locale_ro__WEBPACK_IMPORTED_MODULE_20__ = __webpack_require__(/*! moment/locale/ro */ "./node_modules/moment/locale/ro.js");
/* harmony import */ var moment_locale_ro__WEBPACK_IMPORTED_MODULE_20___default = /*#__PURE__*/__webpack_require__.n(moment_locale_ro__WEBPACK_IMPORTED_MODULE_20__);
/* harmony import */ var moment_locale_ru__WEBPACK_IMPORTED_MODULE_21__ = __webpack_require__(/*! moment/locale/ru */ "./node_modules/moment/locale/ru.js");
/* harmony import */ var moment_locale_ru__WEBPACK_IMPORTED_MODULE_21___default = /*#__PURE__*/__webpack_require__.n(moment_locale_ru__WEBPACK_IMPORTED_MODULE_21__);
/* harmony import */ var moment_locale_tr__WEBPACK_IMPORTED_MODULE_22__ = __webpack_require__(/*! moment/locale/tr */ "./node_modules/moment/locale/tr.js");
/* harmony import */ var moment_locale_tr__WEBPACK_IMPORTED_MODULE_22___default = /*#__PURE__*/__webpack_require__.n(moment_locale_tr__WEBPACK_IMPORTED_MODULE_22__);
/* harmony import */ var moment_locale_uk__WEBPACK_IMPORTED_MODULE_23__ = __webpack_require__(/*! moment/locale/uk */ "./node_modules/moment/locale/uk.js");
/* harmony import */ var moment_locale_uk__WEBPACK_IMPORTED_MODULE_23___default = /*#__PURE__*/__webpack_require__.n(moment_locale_uk__WEBPACK_IMPORTED_MODULE_23__);
/* harmony import */ var moment_locale_zh_cn__WEBPACK_IMPORTED_MODULE_24__ = __webpack_require__(/*! moment/locale/zh-cn */ "./node_modules/moment/locale/zh-cn.js");
/* harmony import */ var moment_locale_zh_cn__WEBPACK_IMPORTED_MODULE_24___default = /*#__PURE__*/__webpack_require__.n(moment_locale_zh_cn__WEBPACK_IMPORTED_MODULE_24__);
/* harmony import */ var moment_locale_zh_tw__WEBPACK_IMPORTED_MODULE_25__ = __webpack_require__(/*! moment/locale/zh-tw */ "./node_modules/moment/locale/zh-tw.js");
/* harmony import */ var moment_locale_zh_tw__WEBPACK_IMPORTED_MODULE_25___default = /*#__PURE__*/__webpack_require__.n(moment_locale_zh_tw__WEBPACK_IMPORTED_MODULE_25__);
/* harmony import */ var jed__WEBPACK_IMPORTED_MODULE_26__ = __webpack_require__(/*! jed */ "./node_modules/jed/jed.js");
/* harmony import */ var jed__WEBPACK_IMPORTED_MODULE_26___default = /*#__PURE__*/__webpack_require__.n(jed__WEBPACK_IMPORTED_MODULE_26__);
/* harmony import */ var es6_promise_dist_es6_promise_auto__WEBPACK_IMPORTED_MODULE_27__ = __webpack_require__(/*! es6-promise/dist/es6-promise.auto */ "./node_modules/es6-promise/dist/es6-promise.auto.js");
/* harmony import */ var es6_promise_dist_es6_promise_auto__WEBPACK_IMPORTED_MODULE_27___default = /*#__PURE__*/__webpack_require__.n(es6_promise_dist_es6_promise_auto__WEBPACK_IMPORTED_MODULE_27__);
/* harmony import */ var _lodash_noconflict__WEBPACK_IMPORTED_MODULE_28__ = __webpack_require__(/*! ./lodash.noconflict */ "./src/headless/lodash.noconflict.js");
/* harmony import */ var _lodash_noconflict__WEBPACK_IMPORTED_MODULE_28___default = /*#__PURE__*/__webpack_require__.n(_lodash_noconflict__WEBPACK_IMPORTED_MODULE_28__);
/* harmony import */ var moment__WEBPACK_IMPORTED_MODULE_29__ = __webpack_require__(/*! moment */ "./node_modules/moment/moment.js");
/* harmony import */ var moment__WEBPACK_IMPORTED_MODULE_29___default = /*#__PURE__*/__webpack_require__.n(moment__WEBPACK_IMPORTED_MODULE_29__);
// Converse.js (A browser based XMPP chat client)
// http://conversejs.org
//
// This is the internationalization module.
//
// Copyright (c) 2013-2017, Jan-Carel Brand <jc@opkode.com>
// Licensed under the Mozilla Public License (MPLv2)
//

/*global define */































function detectLocale(library_check) {
  /* Determine which locale is supported by the user's system as well
   * as by the relevant library (e.g. converse.js or moment.js).
   *
   * Parameters:
   *      (Function) library_check - Returns a boolean indicating whether
   *                                 the locale is supported.
   */
  var locale, i;

  if (window.navigator.userLanguage) {
    locale = isLocaleAvailable(window.navigator.userLanguage, library_check);
  }

  if (window.navigator.languages && !locale) {
    for (i = 0; i < window.navigator.languages.length && !locale; i++) {
      locale = isLocaleAvailable(window.navigator.languages[i], library_check);
    }
  }

  if (window.navigator.browserLanguage && !locale) {
    locale = isLocaleAvailable(window.navigator.browserLanguage, library_check);
  }

  if (window.navigator.language && !locale) {
    locale = isLocaleAvailable(window.navigator.language, library_check);
  }

  if (window.navigator.systemLanguage && !locale) {
    locale = isLocaleAvailable(window.navigator.systemLanguage, library_check);
  }

  return locale || 'en';
}

function isMomentLocale(locale) {
  return _lodash_noconflict__WEBPACK_IMPORTED_MODULE_28___default.a.includes(moment__WEBPACK_IMPORTED_MODULE_29___default.a.locales(), locale);
}

function isConverseLocale(locale, supported_locales) {
  return _lodash_noconflict__WEBPACK_IMPORTED_MODULE_28___default.a.isString(locale) && _lodash_noconflict__WEBPACK_IMPORTED_MODULE_28___default.a.includes(supported_locales, locale);
}

function getLocale(preferred_locale, isSupportedByLibrary) {
  if (_lodash_noconflict__WEBPACK_IMPORTED_MODULE_28___default.a.isString(preferred_locale)) {
    if (preferred_locale === 'en' || isSupportedByLibrary(preferred_locale)) {
      return preferred_locale;
    }
  }

  return detectLocale(isSupportedByLibrary) || 'en';
}

function isLocaleAvailable(locale, available) {
  /* Check whether the locale or sub locale (e.g. en-US, en) is supported.
   *
   * Parameters:
   *      (String) locale - The locale to check for
   *      (Function) available - returns a boolean indicating whether the locale is supported
   */
  if (available(locale)) {
    return locale;
  } else {
    var sublocale = locale.split("-")[0];

    if (sublocale !== locale && available(sublocale)) {
      return sublocale;
    }
  }
}

let jed_instance;
/* harmony default export */ __webpack_exports__["default"] = ({
  setLocales(preferred_locale, _converse) {
    _converse.locale = getLocale(preferred_locale, _lodash_noconflict__WEBPACK_IMPORTED_MODULE_28___default.a.partial(isConverseLocale, _lodash_noconflict__WEBPACK_IMPORTED_MODULE_28___default.a, _converse.locales));
    moment__WEBPACK_IMPORTED_MODULE_29___default.a.locale(getLocale(preferred_locale, isMomentLocale));
  },

  translate(str) {
    if (_lodash_noconflict__WEBPACK_IMPORTED_MODULE_28___default.a.isNil(jed_instance)) {
      return jed__WEBPACK_IMPORTED_MODULE_26___default.a.sprintf.apply(jed__WEBPACK_IMPORTED_MODULE_26___default.a, arguments);
    }

    var t = jed_instance.translate(str);

    if (arguments.length > 1) {
      return t.fetch.apply(t, [].slice.call(arguments, 1));
    } else {
      return t.fetch();
    }
  },

  fetchTranslations(locale, supported_locales, locale_url) {
    /* Fetch the translations for the given local at the given URL.
     *
     * Parameters:
     *  (String) locale:            The given i18n locale
     *  (Array) supported_locales:  List of locales supported
     *  (String) locale_url:        The URL from which the translations
     *                              should be fetched.
     */
    return new es6_promise_dist_es6_promise_auto__WEBPACK_IMPORTED_MODULE_27___default.a((resolve, reject) => {
      if (!isConverseLocale(locale, supported_locales) || locale === 'en') {
        return resolve();
      }

      const xhr = new XMLHttpRequest();
      xhr.open('GET', locale_url, true);
      xhr.setRequestHeader('Accept', "application/json, text/javascript");

      xhr.onload = function () {
        if (xhr.status >= 200 && xhr.status < 400) {
          try {
            const data = window.JSON.parse(xhr.responseText);
            jed_instance = new jed__WEBPACK_IMPORTED_MODULE_26___default.a(data);
            resolve();
          } catch (e) {
            xhr.onerror(e);
          }
        } else {
          xhr.onerror();
        }
      };

      xhr.onerror = e => {
        const err_message = e ? ` Error: ${e.message}` : '';
        reject(new Error(`Could not fetch translations. Status: ${xhr.statusText}. ${err_message}`));
      };

      xhr.send();
    });
  }

});

/***/ }),

/***/ "./src/headless/lodash.fp.js":
/*!***********************************!*\
  !*** ./src/headless/lodash.fp.js ***!
  \***********************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;!(__WEBPACK_AMD_DEFINE_ARRAY__ = [__webpack_require__(/*! lodash */ "./node_modules/lodash/lodash.js"), __webpack_require__(/*! ./3rdparty/lodash.fp */ "./src/headless/3rdparty/lodash.fp.js")], __WEBPACK_AMD_DEFINE_RESULT__ = (function (_, lodashConverter) {
  var fp = lodashConverter(_.runInContext());
  return fp;
}).apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__),
				__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));

/***/ }),

/***/ "./src/headless/lodash.noconflict.js":
/*!*******************************************!*\
  !*** ./src/headless/lodash.noconflict.js ***!
  \*******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;/*global define */
!(__WEBPACK_AMD_DEFINE_ARRAY__ = [__webpack_require__(/*! lodash */ "./node_modules/lodash/lodash.js")], __WEBPACK_AMD_DEFINE_RESULT__ = (function (_) {
  return _.noConflict();
}).apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__),
				__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));

/***/ }),

/***/ "./src/headless/polyfill.js":
/*!**********************************!*\
  !*** ./src/headless/polyfill.js ***!
  \**********************************/
/*! no static exports found */
/***/ (function(module, exports) {

function CustomEvent(event, params) {
  params = params || {
    bubbles: false,
    cancelable: false,
    detail: undefined
  };
  var evt = document.createEvent('CustomEvent');
  evt.initCustomEvent(event, params.bubbles, params.cancelable, params.detail);
  return evt;
}

if (typeof window.CustomEvent !== "function") {
  CustomEvent.prototype = window.Event.prototype;
  window.CustomEvent = CustomEvent;
}

if (!String.prototype.includes) {
  String.prototype.includes = function (search, start) {
    'use strict';

    if (typeof start !== 'number') {
      start = 0;
    }

    if (start + search.length > this.length) {
      return false;
    } else {
      return this.indexOf(search, start) !== -1; // eslint-disable-line lodash/prefer-includes
    }
  };
}

if (!String.prototype.endsWith) {
  String.prototype.endsWith = function (searchString, position) {
    var subjectString = this.toString();

    if (position === undefined || position > subjectString.length) {
      position = subjectString.length;
    }

    position -= searchString.length;
    var lastIndex = subjectString.indexOf(searchString, position);
    return lastIndex !== -1 && lastIndex === position;
  };
}

if (!String.prototype.startsWith) {
  String.prototype.startsWith = function (searchString, position) {
    position = position || 0;
    return this.substr(position, searchString.length) === searchString;
  };
}

if (!String.prototype.splitOnce) {
  String.prototype.splitOnce = function (delimiter) {
    var components = this.split(delimiter);
    return [components.shift(), components.join(delimiter)];
  };
}

if (!String.prototype.trim) {
  String.prototype.trim = function () {
    return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, '');
  };
}

/***/ }),

/***/ "./src/headless/templates/field.html":
/*!*******************************************!*\
  !*** ./src/headless/templates/field.html ***!
  \*******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/headless/templates/field.html -->\n<field var="' +
__e(o.name) +
'">\n';
 if (o.value.constructor === Array) { ;
__p += '\n    ';
 o.value.forEach(function (arrayValue) { ;
__p += '<value>' +
__e(arrayValue) +
'</value>';
 }); ;
__p += '\n';
 } else { ;
__p += '\n    <value>' +
__e(o.value) +
'</value>\n';
 } ;
__p += '</field>\n';
return __p
};

/***/ }),

/***/ "./src/headless/templates/vcard.html":
/*!*******************************************!*\
  !*** ./src/headless/templates/vcard.html ***!
  \*******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape;
__p += '<!-- src/headless/templates/vcard.html -->\n<vCard xmlns="vcard-temp">\n    <FN>' +
__e(o.fn) +
'</FN>\n    <NICKNAME>' +
__e(o.nickname) +
'</NICKNAME>\n    <URL>' +
__e(o.url) +
'</URL>\n    <ROLE>' +
__e(o.role) +
'</ROLE>\n    <EMAIL><INTERNET/><PREF/><USERID>' +
__e(o.email) +
'</USERID></EMAIL>\n    <PHOTO>\n      <TYPE>' +
__e(o.image_type) +
'</TYPE>\n      <BINVAL>' +
__e(o.image) +
'</BINVAL>\n    </PHOTO>\n</vCard>\n';
return __p
};

/***/ }),

/***/ "./src/headless/utils/core.js":
/*!************************************!*\
  !*** ./src/headless/utils/core.js ***!
  \************************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var backbone__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! backbone */ "./node_modules/backbone/backbone.js");
/* harmony import */ var backbone__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(backbone__WEBPACK_IMPORTED_MODULE_0__);
/* harmony import */ var es6_promise_dist_es6_promise_auto__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! es6-promise/dist/es6-promise.auto */ "./node_modules/es6-promise/dist/es6-promise.auto.js");
/* harmony import */ var es6_promise_dist_es6_promise_auto__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(es6_promise_dist_es6_promise_auto__WEBPACK_IMPORTED_MODULE_1__);
/* harmony import */ var strophe_js__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! strophe.js */ "./node_modules/strophe.js/dist/strophe.js");
/* harmony import */ var strophe_js__WEBPACK_IMPORTED_MODULE_2___default = /*#__PURE__*/__webpack_require__.n(strophe_js__WEBPACK_IMPORTED_MODULE_2__);
/* harmony import */ var _lodash_noconflict__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ../lodash.noconflict */ "./src/headless/lodash.noconflict.js");
/* harmony import */ var _lodash_noconflict__WEBPACK_IMPORTED_MODULE_3___default = /*#__PURE__*/__webpack_require__.n(_lodash_noconflict__WEBPACK_IMPORTED_MODULE_3__);
/* harmony import */ var sizzle__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! sizzle */ "./node_modules/sizzle/dist/sizzle.js");
/* harmony import */ var sizzle__WEBPACK_IMPORTED_MODULE_4___default = /*#__PURE__*/__webpack_require__.n(sizzle__WEBPACK_IMPORTED_MODULE_4__);
// Converse.js (A browser based XMPP chat client)
// http://conversejs.org
//
// This is the utilities module.
//
// Copyright (c) 2013-2018, Jan-Carel Brand <jc@opkode.com>
// Licensed under the Mozilla Public License (MPLv2)
//

/*global escape, Uint8Array */





const u = {};

u.getLongestSubstring = function (string, candidates) {
  function reducer(accumulator, current_value) {
    if (string.startsWith(current_value)) {
      if (current_value.length > accumulator.length) {
        return current_value;
      } else {
        return accumulator;
      }
    } else {
      return accumulator;
    }
  }

  return candidates.reduce(reducer, '');
};

u.prefixMentions = function (message) {
  /* Given a message object, return its text with @ chars
   * inserted before the mentioned nicknames.
   */
  let text = message.get('message');
  (message.get('references') || []).sort((a, b) => b.begin - a.begin).forEach(ref => {
    text = `${text.slice(0, ref.begin)}@${text.slice(ref.begin)}`;
  });
  return text;
};

u.isValidJID = function (jid) {
  return _lodash_noconflict__WEBPACK_IMPORTED_MODULE_3___default.a.compact(jid.split('@')).length === 2 && !jid.startsWith('@') && !jid.endsWith('@');
};

u.isValidMUCJID = function (jid) {
  return !jid.startsWith('@') && !jid.endsWith('@');
};

u.isSameBareJID = function (jid1, jid2) {
  return strophe_js__WEBPACK_IMPORTED_MODULE_2__["Strophe"].getBareJidFromJid(jid1).toLowerCase() === strophe_js__WEBPACK_IMPORTED_MODULE_2__["Strophe"].getBareJidFromJid(jid2).toLowerCase();
};

u.getMostRecentMessage = function (model) {
  const messages = model.messages.filter('message');
  return messages[messages.length - 1];
};

u.isNewMessage = function (message) {
  /* Given a stanza, determine whether it's a new
   * message, i.e. not a MAM archived one.
   */
  if (message instanceof Element) {
    return !(sizzle__WEBPACK_IMPORTED_MODULE_4___default()(`result[xmlns="${strophe_js__WEBPACK_IMPORTED_MODULE_2__["Strophe"].NS.MAM}"]`, message).length && sizzle__WEBPACK_IMPORTED_MODULE_4___default()(`delay[xmlns="${strophe_js__WEBPACK_IMPORTED_MODULE_2__["Strophe"].NS.DELAY}"]`, message).length);
  } else {
    return !(message.get('is_delayed') && message.get('is_archived'));
  }
};

u.isOnlyChatStateNotification = function (attrs) {
  if (attrs instanceof backbone__WEBPACK_IMPORTED_MODULE_0___default.a.Model) {
    attrs = attrs.attributes;
  }

  return attrs['chat_state'] && !attrs['oob_url'] && !attrs['file'] && !(attrs['is_encrypted'] && attrs['plaintext']) && !attrs['message'];
};

u.isHeadlineMessage = function (_converse, message) {
  const from_jid = message.getAttribute('from');

  if (message.getAttribute('type') === 'headline') {
    return true;
  }

  const chatbox = _converse.chatboxes.get(strophe_js__WEBPACK_IMPORTED_MODULE_2__["Strophe"].getBareJidFromJid(from_jid));

  if (chatbox && chatbox.get('type') === _converse.CHATROOMS_TYPE) {
    return false;
  }

  if (message.getAttribute('type') !== 'error' && !_lodash_noconflict__WEBPACK_IMPORTED_MODULE_3___default.a.isNil(from_jid) && !_lodash_noconflict__WEBPACK_IMPORTED_MODULE_3___default.a.includes(from_jid, '@')) {
    // Some servers (I'm looking at you Prosody) don't set the message
    // type to "headline" when sending server messages. For now we
    // check if an @ signal is included, and if not, we assume it's
    // a headline message.
    return true;
  }

  return false;
};

u.merge = function merge(first, second) {
  /* Merge the second object into the first one.
   */
  for (var k in second) {
    if (_lodash_noconflict__WEBPACK_IMPORTED_MODULE_3___default.a.isObject(first[k])) {
      merge(first[k], second[k]);
    } else {
      first[k] = second[k];
    }
  }
};

u.applyUserSettings = function applyUserSettings(context, settings, user_settings) {
  /* Configuration settings might be nested objects. We only want to
   * add settings which are whitelisted.
   */
  for (var k in settings) {
    if (_lodash_noconflict__WEBPACK_IMPORTED_MODULE_3___default.a.isUndefined(user_settings[k])) {
      continue;
    }

    if (_lodash_noconflict__WEBPACK_IMPORTED_MODULE_3___default.a.isObject(settings[k]) && !_lodash_noconflict__WEBPACK_IMPORTED_MODULE_3___default.a.isArray(settings[k])) {
      applyUserSettings(context[k], settings[k], user_settings[k]);
    } else {
      context[k] = user_settings[k];
    }
  }
};

u.stringToNode = function (s) {
  /* Converts an HTML string into a DOM Node.
   * Expects that the HTML string has only one top-level element,
   * i.e. not multiple ones.
   *
   * Parameters:
   *      (String) s - The HTML string
   */
  var div = document.createElement('div');
  div.innerHTML = s;
  return div.firstElementChild;
};

u.getOuterWidth = function (el, include_margin = false) {
  var width = el.offsetWidth;

  if (!include_margin) {
    return width;
  }

  var style = window.getComputedStyle(el);
  width += parseInt(style.marginLeft, 10) + parseInt(style.marginRight, 10);
  return width;
};

u.stringToElement = function (s) {
  /* Converts an HTML string into a DOM element.
   * Expects that the HTML string has only one top-level element,
   * i.e. not multiple ones.
   *
   * Parameters:
   *      (String) s - The HTML string
   */
  var div = document.createElement('div');
  div.innerHTML = s;
  return div.firstElementChild;
};

u.matchesSelector = function (el, selector) {
  /* Checks whether the DOM element matches the given selector.
   *
   * Parameters:
   *      (DOMElement) el - The DOM element
   *      (String) selector - The selector
   */
  const match = el.matches || el.matchesSelector || el.msMatchesSelector || el.mozMatchesSelector || el.webkitMatchesSelector || el.oMatchesSelector;
  return match ? match.call(el, selector) : false;
};

u.queryChildren = function (el, selector) {
  /* Returns a list of children of the DOM element that match the
   * selector.
   *
   *  Parameters:
   *      (DOMElement) el - the DOM element
   *      (String) selector - the selector they should be matched
   *          against.
   */
  return _lodash_noconflict__WEBPACK_IMPORTED_MODULE_3___default.a.filter(el.childNodes, _lodash_noconflict__WEBPACK_IMPORTED_MODULE_3___default.a.partial(u.matchesSelector, _lodash_noconflict__WEBPACK_IMPORTED_MODULE_3___default.a, selector));
};

u.contains = function (attr, query) {
  return function (item) {
    if (typeof attr === 'object') {
      var value = false;

      _lodash_noconflict__WEBPACK_IMPORTED_MODULE_3___default.a.forEach(attr, function (a) {
        value = value || _lodash_noconflict__WEBPACK_IMPORTED_MODULE_3___default.a.includes(item.get(a).toLowerCase(), query.toLowerCase());
      });

      return value;
    } else if (typeof attr === 'string') {
      return _lodash_noconflict__WEBPACK_IMPORTED_MODULE_3___default.a.includes(item.get(attr).toLowerCase(), query.toLowerCase());
    } else {
      throw new TypeError('contains: wrong attribute type. Must be string or array.');
    }
  };
};

u.isOfType = function (type, item) {
  return item.get('type') == type;
};

u.isInstance = function (type, item) {
  return item instanceof type;
};

u.getAttribute = function (key, item) {
  return item.get(key);
};

u.contains.not = function (attr, query) {
  return function (item) {
    return !u.contains(attr, query)(item);
  };
};

u.rootContains = function (root, el) {
  // The document element does not have the contains method in IE.
  if (root === document && !root.contains) {
    return document.head.contains(el) || document.body.contains(el);
  }

  return root.contains ? root.contains(el) : window.HTMLElement.prototype.contains.call(root, el);
};

u.createFragmentFromText = function (markup) {
  /* Returns a DocumentFragment containing DOM nodes based on the
   * passed-in markup text.
   */
  // http://stackoverflow.com/questions/9334645/create-node-from-markup-string
  var frag = document.createDocumentFragment(),
      tmp = document.createElement('body'),
      child;
  tmp.innerHTML = markup; // Append elements in a loop to a DocumentFragment, so that the
  // browser does not re-render the document for each node.

  while (child = tmp.firstChild) {
    // eslint-disable-line no-cond-assign
    frag.appendChild(child);
  }

  return frag;
};

u.isPersistableModel = function (model) {
  return model.collection && model.collection.browserStorage;
};

u.getResolveablePromise = function () {
  /* Returns a promise object on which `resolve` or `reject` can be
   * called.
   */
  const wrapper = {};
  const promise = new es6_promise_dist_es6_promise_auto__WEBPACK_IMPORTED_MODULE_1___default.a((resolve, reject) => {
    wrapper.resolve = resolve;
    wrapper.reject = reject;
  });

  _lodash_noconflict__WEBPACK_IMPORTED_MODULE_3___default.a.assign(promise, wrapper);

  return promise;
};

u.interpolate = function (string, o) {
  return string.replace(/{{{([^{}]*)}}}/g, (a, b) => {
    var r = o[b];
    return typeof r === 'string' || typeof r === 'number' ? r : a;
  });
};

u.onMultipleEvents = function (events = [], callback) {
  /* Call the callback once all the events have been triggered
   *
   * Parameters:
   *  (Array) events: An array of objects, with keys `object` and
   *      `event`, representing the event name and the object it's
   *      triggered upon.
   *  (Function) callback: The function to call once all events have
   *      been triggered.
   */
  let triggered = [];

  function handler(result) {
    triggered.push(result);

    if (events.length === triggered.length) {
      callback(triggered);
      triggered = [];
    }
  }

  _lodash_noconflict__WEBPACK_IMPORTED_MODULE_3___default.a.each(events, map => map.object.on(map.event, handler));
};

u.safeSave = function (model, attributes) {
  if (u.isPersistableModel(model)) {
    model.save(attributes);
  } else {
    model.set(attributes);
  }
};

u.siblingIndex = function (el) {
  /* eslint-disable no-cond-assign */
  for (var i = 0; el = el.previousElementSibling; i++);

  return i;
};

u.getCurrentWord = function (input) {
  const cursor = input.selectionEnd || undefined;
  return _lodash_noconflict__WEBPACK_IMPORTED_MODULE_3___default.a.last(input.value.slice(0, cursor).split(' '));
};

u.replaceCurrentWord = function (input, new_value) {
  const cursor = input.selectionEnd || undefined,
        current_word = _lodash_noconflict__WEBPACK_IMPORTED_MODULE_3___default.a.last(input.value.slice(0, cursor).split(' ')),
        value = input.value;

  input.value = value.slice(0, cursor - current_word.length) + `${new_value} ` + value.slice(cursor);
  input.selectionEnd = cursor - current_word.length + new_value.length + 1;
};

u.triggerEvent = function (el, name, type = "Event", bubbles = true, cancelable = true) {
  const evt = document.createEvent(type);
  evt.initEvent(name, bubbles, cancelable);
  el.dispatchEvent(evt);
};

u.geoUriToHttp = function (text, geouri_replacement) {
  const regex = /geo:([\-0-9.]+),([\-0-9.]+)(?:,([\-0-9.]+))?(?:\?(.*))?/g;
  return text.replace(regex, geouri_replacement);
};

u.httpToGeoUri = function (text, _converse) {
  const replacement = 'geo:$1,$2';
  return text.replace(_converse.geouri_regex, replacement);
};

u.getSelectValues = function (select) {
  const result = [];
  const options = select && select.options;

  for (var i = 0, iLen = options.length; i < iLen; i++) {
    const opt = options[i];

    if (opt.selected) {
      result.push(opt.value || opt.text);
    }
  }

  return result;
};

u.formatFingerprint = function (fp) {
  fp = fp.replace(/^05/, '');
  const arr = [];

  for (let i = 1; i < 8; i++) {
    const idx = i * 8 + i - 1;
    fp = fp.slice(0, idx) + ' ' + fp.slice(idx);
  }

  return fp;
};

u.appendArrayBuffer = function (buffer1, buffer2) {
  const tmp = new Uint8Array(buffer1.byteLength + buffer2.byteLength);
  tmp.set(new Uint8Array(buffer1), 0);
  tmp.set(new Uint8Array(buffer2), buffer1.byteLength);
  return tmp.buffer;
};

u.arrayBufferToHex = function (ab) {
  // https://stackoverflow.com/questions/40031688/javascript-arraybuffer-to-hex#40031979
  return Array.prototype.map.call(new Uint8Array(ab), x => ('00' + x.toString(16)).slice(-2)).join('');
};

u.arrayBufferToString = function (ab) {
  return new TextDecoder("utf-8").decode(ab);
};

u.stringToArrayBuffer = function (string) {
  const bytes = new TextEncoder("utf-8").encode(string);
  return bytes.buffer;
};

u.arrayBufferToBase64 = function (ab) {
  return btoa(new Uint8Array(ab).reduce((data, byte) => data + String.fromCharCode(byte), ''));
};

u.base64ToArrayBuffer = function (b64) {
  const binary_string = window.atob(b64),
        len = binary_string.length,
        bytes = new Uint8Array(len);

  for (let i = 0; i < len; i++) {
    bytes[i] = binary_string.charCodeAt(i);
  }

  return bytes.buffer;
};

u.getRandomInt = function (max) {
  return Math.floor(Math.random() * Math.floor(max));
};

u.putCurserAtEnd = function (textarea) {
  if (textarea !== document.activeElement) {
    textarea.focus();
  } // Double the length because Opera is inconsistent about whether a carriage return is one character or two.


  const len = textarea.value.length * 2; // Timeout seems to be required for Blink

  setTimeout(() => textarea.setSelectionRange(len, len), 1); // Scroll to the bottom, in case we're in a tall textarea
  // (Necessary for Firefox and Chrome)

  this.scrollTop = 999999;
};

u.getUniqueId = function () {
  return 'xxxxxxxx-xxxx'.replace(/[x]/g, function (c) {
    var r = Math.random() * 16 | 0,
        v = c === 'x' ? r : r & 0x3 | 0x8;
    return v.toString(16);
  });
};

/* harmony default export */ __webpack_exports__["default"] = (u);

/***/ }),

/***/ "./src/headless/utils/emoji.js":
/*!*************************************!*\
  !*** ./src/headless/utils/emoji.js ***!
  \*************************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var twemoji__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! twemoji */ "./node_modules/twemoji/2/esm.js");
/* harmony import */ var _lodash_noconflict__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ../lodash.noconflict */ "./src/headless/lodash.noconflict.js");
/* harmony import */ var _lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1__);
/* harmony import */ var _core__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./core */ "./src/headless/utils/core.js");



const emoji_list = {
  ":kiss_mm:": {
    "uc_base": "1f468-2764-1f48b-1f468",
    "uc_output": "1f468-200d-2764-fe0f-200d-1f48b-200d-1f468",
    "uc_match": "1f468-2764-fe0f-1f48b-1f468",
    "uc_greedy": "1f468-2764-1f48b-1f468",
    "shortnames": [":couplekiss_mm:"],
    "category": "people"
  },
  ":kiss_woman_man:": {
    "uc_base": "1f469-2764-1f48b-1f468",
    "uc_output": "1f469-200d-2764-fe0f-200d-1f48b-200d-1f468",
    "uc_match": "1f469-2764-fe0f-1f48b-1f468",
    "uc_greedy": "1f469-2764-1f48b-1f468",
    "shortnames": [],
    "category": "people"
  },
  ":kiss_ww:": {
    "uc_base": "1f469-2764-1f48b-1f469",
    "uc_output": "1f469-200d-2764-fe0f-200d-1f48b-200d-1f469",
    "uc_match": "1f469-2764-fe0f-1f48b-1f469",
    "uc_greedy": "1f469-2764-1f48b-1f469",
    "shortnames": [":couplekiss_ww:"],
    "category": "people"
  },
  ":england:": {
    "uc_base": "1f3f4-e0067-e0062-e0065-e006e-e0067-e007f",
    "uc_output": "1f3f4-e0067-e0062-e0065-e006e-e0067-e007f",
    "uc_match": "1f3f4-e0067-e0062-e0065-e006e-e0067-e007f",
    "uc_greedy": "1f3f4-e0067-e0062-e0065-e006e-e0067-e007f",
    "shortnames": [],
    "category": "flags"
  },
  ":scotland:": {
    "uc_base": "1f3f4-e0067-e0062-e0073-e0063-e0074-e007f",
    "uc_output": "1f3f4-e0067-e0062-e0073-e0063-e0074-e007f",
    "uc_match": "1f3f4-e0067-e0062-e0073-e0063-e0074-e007f",
    "uc_greedy": "1f3f4-e0067-e0062-e0073-e0063-e0074-e007f",
    "shortnames": [],
    "category": "flags"
  },
  ":wales:": {
    "uc_base": "1f3f4-e0067-e0062-e0077-e006c-e0073-e007f",
    "uc_output": "1f3f4-e0067-e0062-e0077-e006c-e0073-e007f",
    "uc_match": "1f3f4-e0067-e0062-e0077-e006c-e0073-e007f",
    "uc_greedy": "1f3f4-e0067-e0062-e0077-e006c-e0073-e007f",
    "shortnames": [],
    "category": "flags"
  },
  ":family_mmbb:": {
    "uc_base": "1f468-1f468-1f466-1f466",
    "uc_output": "1f468-200d-1f468-200d-1f466-200d-1f466",
    "uc_match": "1f468-1f468-1f466-1f466",
    "uc_greedy": "1f468-1f468-1f466-1f466",
    "shortnames": [],
    "category": "people"
  },
  ":family_mmgb:": {
    "uc_base": "1f468-1f468-1f467-1f466",
    "uc_output": "1f468-200d-1f468-200d-1f467-200d-1f466",
    "uc_match": "1f468-1f468-1f467-1f466",
    "uc_greedy": "1f468-1f468-1f467-1f466",
    "shortnames": [],
    "category": "people"
  },
  ":family_mmgg:": {
    "uc_base": "1f468-1f468-1f467-1f467",
    "uc_output": "1f468-200d-1f468-200d-1f467-200d-1f467",
    "uc_match": "1f468-1f468-1f467-1f467",
    "uc_greedy": "1f468-1f468-1f467-1f467",
    "shortnames": [],
    "category": "people"
  },
  ":family_mwbb:": {
    "uc_base": "1f468-1f469-1f466-1f466",
    "uc_output": "1f468-200d-1f469-200d-1f466-200d-1f466",
    "uc_match": "1f468-1f469-1f466-1f466",
    "uc_greedy": "1f468-1f469-1f466-1f466",
    "shortnames": [],
    "category": "people"
  },
  ":family_mwgb:": {
    "uc_base": "1f468-1f469-1f467-1f466",
    "uc_output": "1f468-200d-1f469-200d-1f467-200d-1f466",
    "uc_match": "1f468-1f469-1f467-1f466",
    "uc_greedy": "1f468-1f469-1f467-1f466",
    "shortnames": [],
    "category": "people"
  },
  ":family_mwgg:": {
    "uc_base": "1f468-1f469-1f467-1f467",
    "uc_output": "1f468-200d-1f469-200d-1f467-200d-1f467",
    "uc_match": "1f468-1f469-1f467-1f467",
    "uc_greedy": "1f468-1f469-1f467-1f467",
    "shortnames": [],
    "category": "people"
  },
  ":family_wwbb:": {
    "uc_base": "1f469-1f469-1f466-1f466",
    "uc_output": "1f469-200d-1f469-200d-1f466-200d-1f466",
    "uc_match": "1f469-1f469-1f466-1f466",
    "uc_greedy": "1f469-1f469-1f466-1f466",
    "shortnames": [],
    "category": "people"
  },
  ":family_wwgb:": {
    "uc_base": "1f469-1f469-1f467-1f466",
    "uc_output": "1f469-200d-1f469-200d-1f467-200d-1f466",
    "uc_match": "1f469-1f469-1f467-1f466",
    "uc_greedy": "1f469-1f469-1f467-1f466",
    "shortnames": [],
    "category": "people"
  },
  ":family_wwgg:": {
    "uc_base": "1f469-1f469-1f467-1f467",
    "uc_output": "1f469-200d-1f469-200d-1f467-200d-1f467",
    "uc_match": "1f469-1f469-1f467-1f467",
    "uc_greedy": "1f469-1f469-1f467-1f467",
    "shortnames": [],
    "category": "people"
  },
  ":couple_mm:": {
    "uc_base": "1f468-2764-1f468",
    "uc_output": "1f468-200d-2764-fe0f-200d-1f468",
    "uc_match": "1f468-2764-fe0f-1f468",
    "uc_greedy": "1f468-2764-1f468",
    "shortnames": [":couple_with_heart_mm:"],
    "category": "people"
  },
  ":couple_with_heart_woman_man:": {
    "uc_base": "1f469-2764-1f468",
    "uc_output": "1f469-200d-2764-fe0f-200d-1f468",
    "uc_match": "1f469-2764-fe0f-1f468",
    "uc_greedy": "1f469-2764-1f468",
    "shortnames": [],
    "category": "people"
  },
  ":couple_ww:": {
    "uc_base": "1f469-2764-1f469",
    "uc_output": "1f469-200d-2764-fe0f-200d-1f469",
    "uc_match": "1f469-2764-fe0f-1f469",
    "uc_greedy": "1f469-2764-1f469",
    "shortnames": [":couple_with_heart_ww:"],
    "category": "people"
  },
  ":family_man_boy_boy:": {
    "uc_base": "1f468-1f466-1f466",
    "uc_output": "1f468-200d-1f466-200d-1f466",
    "uc_match": "1f468-1f466-1f466",
    "uc_greedy": "1f468-1f466-1f466",
    "shortnames": [],
    "category": "people"
  },
  ":family_man_girl_boy:": {
    "uc_base": "1f468-1f467-1f466",
    "uc_output": "1f468-200d-1f467-200d-1f466",
    "uc_match": "1f468-1f467-1f466",
    "uc_greedy": "1f468-1f467-1f466",
    "shortnames": [],
    "category": "people"
  },
  ":family_man_girl_girl:": {
    "uc_base": "1f468-1f467-1f467",
    "uc_output": "1f468-200d-1f467-200d-1f467",
    "uc_match": "1f468-1f467-1f467",
    "uc_greedy": "1f468-1f467-1f467",
    "shortnames": [],
    "category": "people"
  },
  ":family_man_woman_boy:": {
    "uc_base": "1f468-1f469-1f466",
    "uc_output": "1f468-200d-1f469-200d-1f466",
    "uc_match": "1f468-1f469-1f466",
    "uc_greedy": "1f468-1f469-1f466",
    "shortnames": [],
    "category": "people"
  },
  ":family_mmb:": {
    "uc_base": "1f468-1f468-1f466",
    "uc_output": "1f468-200d-1f468-200d-1f466",
    "uc_match": "1f468-1f468-1f466",
    "uc_greedy": "1f468-1f468-1f466",
    "shortnames": [],
    "category": "people"
  },
  ":family_mmg:": {
    "uc_base": "1f468-1f468-1f467",
    "uc_output": "1f468-200d-1f468-200d-1f467",
    "uc_match": "1f468-1f468-1f467",
    "uc_greedy": "1f468-1f468-1f467",
    "shortnames": [],
    "category": "people"
  },
  ":family_mwg:": {
    "uc_base": "1f468-1f469-1f467",
    "uc_output": "1f468-200d-1f469-200d-1f467",
    "uc_match": "1f468-1f469-1f467",
    "uc_greedy": "1f468-1f469-1f467",
    "shortnames": [],
    "category": "people"
  },
  ":family_woman_boy_boy:": {
    "uc_base": "1f469-1f466-1f466",
    "uc_output": "1f469-200d-1f466-200d-1f466",
    "uc_match": "1f469-1f466-1f466",
    "uc_greedy": "1f469-1f466-1f466",
    "shortnames": [],
    "category": "people"
  },
  ":family_woman_girl_boy:": {
    "uc_base": "1f469-1f467-1f466",
    "uc_output": "1f469-200d-1f467-200d-1f466",
    "uc_match": "1f469-1f467-1f466",
    "uc_greedy": "1f469-1f467-1f466",
    "shortnames": [],
    "category": "people"
  },
  ":family_woman_girl_girl:": {
    "uc_base": "1f469-1f467-1f467",
    "uc_output": "1f469-200d-1f467-200d-1f467",
    "uc_match": "1f469-1f467-1f467",
    "uc_greedy": "1f469-1f467-1f467",
    "shortnames": [],
    "category": "people"
  },
  ":family_wwb:": {
    "uc_base": "1f469-1f469-1f466",
    "uc_output": "1f469-200d-1f469-200d-1f466",
    "uc_match": "1f469-1f469-1f466",
    "uc_greedy": "1f469-1f469-1f466",
    "shortnames": [],
    "category": "people"
  },
  ":family_wwg:": {
    "uc_base": "1f469-1f469-1f467",
    "uc_output": "1f469-200d-1f469-200d-1f467",
    "uc_match": "1f469-1f469-1f467",
    "uc_greedy": "1f469-1f469-1f467",
    "shortnames": [],
    "category": "people"
  },
  ":blond-haired_man_tone1:": {
    "uc_base": "1f471-1f3fb-2642",
    "uc_output": "1f471-1f3fb-200d-2642-fe0f",
    "uc_match": "1f471-1f3fb-2642-fe0f",
    "uc_greedy": "1f471-1f3fb-2642",
    "shortnames": [":blond-haired_man_light_skin_tone:"],
    "category": "people"
  },
  ":blond-haired_man_tone2:": {
    "uc_base": "1f471-1f3fc-2642",
    "uc_output": "1f471-1f3fc-200d-2642-fe0f",
    "uc_match": "1f471-1f3fc-2642-fe0f",
    "uc_greedy": "1f471-1f3fc-2642",
    "shortnames": [":blond-haired_man_medium_light_skin_tone:"],
    "category": "people"
  },
  ":blond-haired_man_tone3:": {
    "uc_base": "1f471-1f3fd-2642",
    "uc_output": "1f471-1f3fd-200d-2642-fe0f",
    "uc_match": "1f471-1f3fd-2642-fe0f",
    "uc_greedy": "1f471-1f3fd-2642",
    "shortnames": [":blond-haired_man_medium_skin_tone:"],
    "category": "people"
  },
  ":blond-haired_man_tone4:": {
    "uc_base": "1f471-1f3fe-2642",
    "uc_output": "1f471-1f3fe-200d-2642-fe0f",
    "uc_match": "1f471-1f3fe-2642-fe0f",
    "uc_greedy": "1f471-1f3fe-2642",
    "shortnames": [":blond-haired_man_medium_dark_skin_tone:"],
    "category": "people"
  },
  ":blond-haired_man_tone5:": {
    "uc_base": "1f471-1f3ff-2642",
    "uc_output": "1f471-1f3ff-200d-2642-fe0f",
    "uc_match": "1f471-1f3ff-2642-fe0f",
    "uc_greedy": "1f471-1f3ff-2642",
    "shortnames": [":blond-haired_man_dark_skin_tone:"],
    "category": "people"
  },
  ":blond-haired_woman_tone1:": {
    "uc_base": "1f471-1f3fb-2640",
    "uc_output": "1f471-1f3fb-200d-2640-fe0f",
    "uc_match": "1f471-1f3fb-2640-fe0f",
    "uc_greedy": "1f471-1f3fb-2640",
    "shortnames": [":blond-haired_woman_light_skin_tone:"],
    "category": "people"
  },
  ":blond-haired_woman_tone2:": {
    "uc_base": "1f471-1f3fc-2640",
    "uc_output": "1f471-1f3fc-200d-2640-fe0f",
    "uc_match": "1f471-1f3fc-2640-fe0f",
    "uc_greedy": "1f471-1f3fc-2640",
    "shortnames": [":blond-haired_woman_medium_light_skin_tone:"],
    "category": "people"
  },
  ":blond-haired_woman_tone3:": {
    "uc_base": "1f471-1f3fd-2640",
    "uc_output": "1f471-1f3fd-200d-2640-fe0f",
    "uc_match": "1f471-1f3fd-2640-fe0f",
    "uc_greedy": "1f471-1f3fd-2640",
    "shortnames": [":blond-haired_woman_medium_skin_tone:"],
    "category": "people"
  },
  ":blond-haired_woman_tone4:": {
    "uc_base": "1f471-1f3fe-2640",
    "uc_output": "1f471-1f3fe-200d-2640-fe0f",
    "uc_match": "1f471-1f3fe-2640-fe0f",
    "uc_greedy": "1f471-1f3fe-2640",
    "shortnames": [":blond-haired_woman_medium_dark_skin_tone:"],
    "category": "people"
  },
  ":blond-haired_woman_tone5:": {
    "uc_base": "1f471-1f3ff-2640",
    "uc_output": "1f471-1f3ff-200d-2640-fe0f",
    "uc_match": "1f471-1f3ff-2640-fe0f",
    "uc_greedy": "1f471-1f3ff-2640",
    "shortnames": [":blond-haired_woman_dark_skin_tone:"],
    "category": "people"
  },
  ":eye_in_speech_bubble:": {
    "uc_base": "1f441-1f5e8",
    "uc_output": "1f441-fe0f-200d-1f5e8-fe0f",
    "uc_match": "1f441-fe0f-200d-1f5e8",
    "uc_greedy": "1f441-1f5e8",
    "shortnames": [],
    "category": "symbols"
  },
  ":man_biking_tone1:": {
    "uc_base": "1f6b4-1f3fb-2642",
    "uc_output": "1f6b4-1f3fb-200d-2642-fe0f",
    "uc_match": "1f6b4-1f3fb-2642-fe0f",
    "uc_greedy": "1f6b4-1f3fb-2642",
    "shortnames": [":man_biking_light_skin_tone:"],
    "category": "activity"
  },
  ":man_biking_tone2:": {
    "uc_base": "1f6b4-1f3fc-2642",
    "uc_output": "1f6b4-1f3fc-200d-2642-fe0f",
    "uc_match": "1f6b4-1f3fc-2642-fe0f",
    "uc_greedy": "1f6b4-1f3fc-2642",
    "shortnames": [":man_biking_medium_light_skin_tone:"],
    "category": "activity"
  },
  ":man_biking_tone3:": {
    "uc_base": "1f6b4-1f3fd-2642",
    "uc_output": "1f6b4-1f3fd-200d-2642-fe0f",
    "uc_match": "1f6b4-1f3fd-2642-fe0f",
    "uc_greedy": "1f6b4-1f3fd-2642",
    "shortnames": [":man_biking_medium_skin_tone:"],
    "category": "activity"
  },
  ":man_biking_tone4:": {
    "uc_base": "1f6b4-1f3fe-2642",
    "uc_output": "1f6b4-1f3fe-200d-2642-fe0f",
    "uc_match": "1f6b4-1f3fe-2642-fe0f",
    "uc_greedy": "1f6b4-1f3fe-2642",
    "shortnames": [":man_biking_medium_dark_skin_tone:"],
    "category": "activity"
  },
  ":man_biking_tone5:": {
    "uc_base": "1f6b4-1f3ff-2642",
    "uc_output": "1f6b4-1f3ff-200d-2642-fe0f",
    "uc_match": "1f6b4-1f3ff-2642-fe0f",
    "uc_greedy": "1f6b4-1f3ff-2642",
    "shortnames": [":man_biking_dark_skin_tone:"],
    "category": "activity"
  },
  ":man_bowing_tone1:": {
    "uc_base": "1f647-1f3fb-2642",
    "uc_output": "1f647-1f3fb-200d-2642-fe0f",
    "uc_match": "1f647-1f3fb-2642-fe0f",
    "uc_greedy": "1f647-1f3fb-2642",
    "shortnames": [":man_bowing_light_skin_tone:"],
    "category": "people"
  },
  ":man_bowing_tone2:": {
    "uc_base": "1f647-1f3fc-2642",
    "uc_output": "1f647-1f3fc-200d-2642-fe0f",
    "uc_match": "1f647-1f3fc-2642-fe0f",
    "uc_greedy": "1f647-1f3fc-2642",
    "shortnames": [":man_bowing_medium_light_skin_tone:"],
    "category": "people"
  },
  ":man_bowing_tone3:": {
    "uc_base": "1f647-1f3fd-2642",
    "uc_output": "1f647-1f3fd-200d-2642-fe0f",
    "uc_match": "1f647-1f3fd-2642-fe0f",
    "uc_greedy": "1f647-1f3fd-2642",
    "shortnames": [":man_bowing_medium_skin_tone:"],
    "category": "people"
  },
  ":man_bowing_tone4:": {
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    "uc_output": "1f6b5-1f3fc-200d-2642-fe0f",
    "uc_match": "1f6b5-1f3fc-2642-fe0f",
    "uc_greedy": "1f6b5-1f3fc-2642",
    "shortnames": [":man_mountain_biking_medium_light_skin_tone:"],
    "category": "activity"
  },
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    "uc_base": "1f6b5-1f3fd-2642",
    "uc_output": "1f6b5-1f3fd-200d-2642-fe0f",
    "uc_match": "1f6b5-1f3fd-2642-fe0f",
    "uc_greedy": "1f6b5-1f3fd-2642",
    "shortnames": [":man_mountain_biking_medium_skin_tone:"],
    "category": "activity"
  },
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    "uc_base": "1f6b5-1f3fe-2642",
    "uc_output": "1f6b5-1f3fe-200d-2642-fe0f",
    "uc_match": "1f6b5-1f3fe-2642-fe0f",
    "uc_greedy": "1f6b5-1f3fe-2642",
    "shortnames": [":man_mountain_biking_medium_dark_skin_tone:"],
    "category": "activity"
  },
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    "uc_base": "1f6b5-1f3ff-2642",
    "uc_output": "1f6b5-1f3ff-200d-2642-fe0f",
    "uc_match": "1f6b5-1f3ff-2642-fe0f",
    "uc_greedy": "1f6b5-1f3ff-2642",
    "shortnames": [":man_mountain_biking_dark_skin_tone:"],
    "category": "activity"
  },
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    "uc_base": "1f468-1f3fb-2708",
    "uc_output": "1f468-1f3fb-200d-2708-fe0f",
    "uc_match": "1f468-1f3fb-2708-fe0f",
    "uc_greedy": "1f468-1f3fb-2708",
    "shortnames": [":man_pilot_light_skin_tone:"],
    "category": "people"
  },
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    "uc_base": "1f468-1f3fc-2708",
    "uc_output": "1f468-1f3fc-200d-2708-fe0f",
    "uc_match": "1f468-1f3fc-2708-fe0f",
    "uc_greedy": "1f468-1f3fc-2708",
    "shortnames": [":man_pilot_medium_light_skin_tone:"],
    "category": "people"
  },
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    "uc_base": "1f468-1f3fd-2708",
    "uc_output": "1f468-1f3fd-200d-2708-fe0f",
    "uc_match": "1f468-1f3fd-2708-fe0f",
    "uc_greedy": "1f468-1f3fd-2708",
    "shortnames": [":man_pilot_medium_skin_tone:"],
    "category": "people"
  },
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    "uc_base": "1f468-1f3fe-2708",
    "uc_output": "1f468-1f3fe-200d-2708-fe0f",
    "uc_match": "1f468-1f3fe-2708-fe0f",
    "uc_greedy": "1f468-1f3fe-2708",
    "shortnames": [":man_pilot_medium_dark_skin_tone:"],
    "category": "people"
  },
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    "uc_base": "1f468-1f3ff-2708",
    "uc_output": "1f468-1f3ff-200d-2708-fe0f",
    "uc_match": "1f468-1f3ff-2708-fe0f",
    "uc_greedy": "1f468-1f3ff-2708",
    "shortnames": [":man_pilot_dark_skin_tone:"],
    "category": "people"
  },
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    "uc_base": "1f93e-1f3fb-2642",
    "uc_output": "1f93e-1f3fb-200d-2642-fe0f",
    "uc_match": "1f93e-1f3fb-2642-fe0f",
    "uc_greedy": "1f93e-1f3fb-2642",
    "shortnames": [":man_playing_handball_light_skin_tone:"],
    "category": "activity"
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    "uc_base": "1f93e-1f3fc-2642",
    "uc_output": "1f93e-1f3fc-200d-2642-fe0f",
    "uc_match": "1f93e-1f3fc-2642-fe0f",
    "uc_greedy": "1f93e-1f3fc-2642",
    "shortnames": [":man_playing_handball_medium_light_skin_tone:"],
    "category": "activity"
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    "uc_base": "1f93e-1f3fd-2642",
    "uc_output": "1f93e-1f3fd-200d-2642-fe0f",
    "uc_match": "1f93e-1f3fd-2642-fe0f",
    "uc_greedy": "1f93e-1f3fd-2642",
    "shortnames": [":man_playing_handball_medium_skin_tone:"],
    "category": "activity"
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    "uc_base": "1f93e-1f3fe-2642",
    "uc_output": "1f93e-1f3fe-200d-2642-fe0f",
    "uc_match": "1f93e-1f3fe-2642-fe0f",
    "uc_greedy": "1f93e-1f3fe-2642",
    "shortnames": [":man_playing_handball_medium_dark_skin_tone:"],
    "category": "activity"
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    "uc_base": "1f93e-1f3ff-2642",
    "uc_output": "1f93e-1f3ff-200d-2642-fe0f",
    "uc_match": "1f93e-1f3ff-2642-fe0f",
    "uc_greedy": "1f93e-1f3ff-2642",
    "shortnames": [":man_playing_handball_dark_skin_tone:"],
    "category": "activity"
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    "uc_base": "1f93d-1f3fb-2642",
    "uc_output": "1f93d-1f3fb-200d-2642-fe0f",
    "uc_match": "1f93d-1f3fb-2642-fe0f",
    "uc_greedy": "1f93d-1f3fb-2642",
    "shortnames": [":man_playing_water_polo_light_skin_tone:"],
    "category": "activity"
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    "uc_base": "1f93d-1f3fc-2642",
    "uc_output": "1f93d-1f3fc-200d-2642-fe0f",
    "uc_match": "1f93d-1f3fc-2642-fe0f",
    "uc_greedy": "1f93d-1f3fc-2642",
    "shortnames": [":man_playing_water_polo_medium_light_skin_tone:"],
    "category": "activity"
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    "uc_base": "1f93d-1f3fd-2642",
    "uc_output": "1f93d-1f3fd-200d-2642-fe0f",
    "uc_match": "1f93d-1f3fd-2642-fe0f",
    "uc_greedy": "1f93d-1f3fd-2642",
    "shortnames": [":man_playing_water_polo_medium_skin_tone:"],
    "category": "activity"
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    "uc_base": "1f93d-1f3fe-2642",
    "uc_output": "1f93d-1f3fe-200d-2642-fe0f",
    "uc_match": "1f93d-1f3fe-2642-fe0f",
    "uc_greedy": "1f93d-1f3fe-2642",
    "shortnames": [":man_playing_water_polo_medium_dark_skin_tone:"],
    "category": "activity"
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    "uc_base": "1f93d-1f3ff-2642",
    "uc_output": "1f93d-1f3ff-200d-2642-fe0f",
    "uc_match": "1f93d-1f3ff-2642-fe0f",
    "uc_greedy": "1f93d-1f3ff-2642",
    "shortnames": [":man_playing_water_polo_dark_skin_tone:"],
    "category": "activity"
  },
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    "uc_base": "1f46e-1f3fb-2642",
    "uc_output": "1f46e-1f3fb-200d-2642-fe0f",
    "uc_match": "1f46e-1f3fb-2642-fe0f",
    "uc_greedy": "1f46e-1f3fb-2642",
    "shortnames": [":man_police_officer_light_skin_tone:"],
    "category": "people"
  },
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    "uc_base": "1f46e-1f3fc-2642",
    "uc_output": "1f46e-1f3fc-200d-2642-fe0f",
    "uc_match": "1f46e-1f3fc-2642-fe0f",
    "uc_greedy": "1f46e-1f3fc-2642",
    "shortnames": [":man_police_officer_medium_light_skin_tone:"],
    "category": "people"
  },
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    "uc_base": "1f46e-1f3fd-2642",
    "uc_output": "1f46e-1f3fd-200d-2642-fe0f",
    "uc_match": "1f46e-1f3fd-2642-fe0f",
    "uc_greedy": "1f46e-1f3fd-2642",
    "shortnames": [":man_police_officer_medium_skin_tone:"],
    "category": "people"
  },
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    "uc_base": "1f46e-1f3fe-2642",
    "uc_output": "1f46e-1f3fe-200d-2642-fe0f",
    "uc_match": "1f46e-1f3fe-2642-fe0f",
    "uc_greedy": "1f46e-1f3fe-2642",
    "shortnames": [":man_police_officer_medium_dark_skin_tone:"],
    "category": "people"
  },
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    "uc_base": "1f46e-1f3ff-2642",
    "uc_output": "1f46e-1f3ff-200d-2642-fe0f",
    "uc_match": "1f46e-1f3ff-2642-fe0f",
    "uc_greedy": "1f46e-1f3ff-2642",
    "shortnames": [":man_police_officer_dark_skin_tone:"],
    "category": "people"
  },
  ":man_pouting_tone1:": {
    "uc_base": "1f64e-1f3fb-2642",
    "uc_output": "1f64e-1f3fb-200d-2642-fe0f",
    "uc_match": "1f64e-1f3fb-2642-fe0f",
    "uc_greedy": "1f64e-1f3fb-2642",
    "shortnames": [":man_pouting_light_skin_tone:"],
    "category": "people"
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    "uc_base": "1f64e-1f3fc-2642",
    "uc_output": "1f64e-1f3fc-200d-2642-fe0f",
    "uc_match": "1f64e-1f3fc-2642-fe0f",
    "uc_greedy": "1f64e-1f3fc-2642",
    "shortnames": [":man_pouting_medium_light_skin_tone:"],
    "category": "people"
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    "uc_base": "1f64e-1f3fd-2642",
    "uc_output": "1f64e-1f3fd-200d-2642-fe0f",
    "uc_match": "1f64e-1f3fd-2642-fe0f",
    "uc_greedy": "1f64e-1f3fd-2642",
    "shortnames": [":man_pouting_medium_skin_tone:"],
    "category": "people"
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    "uc_base": "1f64e-1f3fe-2642",
    "uc_output": "1f64e-1f3fe-200d-2642-fe0f",
    "uc_match": "1f64e-1f3fe-2642-fe0f",
    "uc_greedy": "1f64e-1f3fe-2642",
    "shortnames": [":man_pouting_medium_dark_skin_tone:"],
    "category": "people"
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    "uc_base": "1f64e-1f3ff-2642",
    "uc_output": "1f64e-1f3ff-200d-2642-fe0f",
    "uc_match": "1f64e-1f3ff-2642-fe0f",
    "uc_greedy": "1f64e-1f3ff-2642",
    "shortnames": [":man_pouting_dark_skin_tone:"],
    "category": "people"
  },
  ":man_raising_hand_tone1:": {
    "uc_base": "1f64b-1f3fb-2642",
    "uc_output": "1f64b-1f3fb-200d-2642-fe0f",
    "uc_match": "1f64b-1f3fb-2642-fe0f",
    "uc_greedy": "1f64b-1f3fb-2642",
    "shortnames": [":man_raising_hand_light_skin_tone:"],
    "category": "people"
  },
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    "uc_base": "1f64b-1f3fc-2642",
    "uc_output": "1f64b-1f3fc-200d-2642-fe0f",
    "uc_match": "1f64b-1f3fc-2642-fe0f",
    "uc_greedy": "1f64b-1f3fc-2642",
    "shortnames": [":man_raising_hand_medium_light_skin_tone:"],
    "category": "people"
  },
  ":man_raising_hand_tone3:": {
    "uc_base": "1f64b-1f3fd-2642",
    "uc_output": "1f64b-1f3fd-200d-2642-fe0f",
    "uc_match": "1f64b-1f3fd-2642-fe0f",
    "uc_greedy": "1f64b-1f3fd-2642",
    "shortnames": [":man_raising_hand_medium_skin_tone:"],
    "category": "people"
  },
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    "uc_base": "1f64b-1f3fe-2642",
    "uc_output": "1f64b-1f3fe-200d-2642-fe0f",
    "uc_match": "1f64b-1f3fe-2642-fe0f",
    "uc_greedy": "1f64b-1f3fe-2642",
    "shortnames": [":man_raising_hand_medium_dark_skin_tone:"],
    "category": "people"
  },
  ":man_raising_hand_tone5:": {
    "uc_base": "1f64b-1f3ff-2642",
    "uc_output": "1f64b-1f3ff-200d-2642-fe0f",
    "uc_match": "1f64b-1f3ff-2642-fe0f",
    "uc_greedy": "1f64b-1f3ff-2642",
    "shortnames": [":man_raising_hand_dark_skin_tone:"],
    "category": "people"
  },
  ":man_rowing_boat_tone1:": {
    "uc_base": "1f6a3-1f3fb-2642",
    "uc_output": "1f6a3-1f3fb-200d-2642-fe0f",
    "uc_match": "1f6a3-1f3fb-2642-fe0f",
    "uc_greedy": "1f6a3-1f3fb-2642",
    "shortnames": [":man_rowing_boat_light_skin_tone:"],
    "category": "activity"
  },
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    "uc_base": "1f6a3-1f3fc-2642",
    "uc_output": "1f6a3-1f3fc-200d-2642-fe0f",
    "uc_match": "1f6a3-1f3fc-2642-fe0f",
    "uc_greedy": "1f6a3-1f3fc-2642",
    "shortnames": [":man_rowing_boat_medium_light_skin_tone:"],
    "category": "activity"
  },
  ":man_rowing_boat_tone3:": {
    "uc_base": "1f6a3-1f3fd-2642",
    "uc_output": "1f6a3-1f3fd-200d-2642-fe0f",
    "uc_match": "1f6a3-1f3fd-2642-fe0f",
    "uc_greedy": "1f6a3-1f3fd-2642",
    "shortnames": [":man_rowing_boat_medium_skin_tone:"],
    "category": "activity"
  },
  ":man_rowing_boat_tone4:": {
    "uc_base": "1f6a3-1f3fe-2642",
    "uc_output": "1f6a3-1f3fe-200d-2642-fe0f",
    "uc_match": "1f6a3-1f3fe-2642-fe0f",
    "uc_greedy": "1f6a3-1f3fe-2642",
    "shortnames": [":man_rowing_boat_medium_dark_skin_tone:"],
    "category": "activity"
  },
  ":man_rowing_boat_tone5:": {
    "uc_base": "1f6a3-1f3ff-2642",
    "uc_output": "1f6a3-1f3ff-200d-2642-fe0f",
    "uc_match": "1f6a3-1f3ff-2642-fe0f",
    "uc_greedy": "1f6a3-1f3ff-2642",
    "shortnames": [":man_rowing_boat_dark_skin_tone:"],
    "category": "activity"
  },
  ":man_running_tone1:": {
    "uc_base": "1f3c3-1f3fb-2642",
    "uc_output": "1f3c3-1f3fb-200d-2642-fe0f",
    "uc_match": "1f3c3-1f3fb-2642-fe0f",
    "uc_greedy": "1f3c3-1f3fb-2642",
    "shortnames": [":man_running_light_skin_tone:"],
    "category": "people"
  },
  ":man_running_tone2:": {
    "uc_base": "1f3c3-1f3fc-2642",
    "uc_output": "1f3c3-1f3fc-200d-2642-fe0f",
    "uc_match": "1f3c3-1f3fc-2642-fe0f",
    "uc_greedy": "1f3c3-1f3fc-2642",
    "shortnames": [":man_running_medium_light_skin_tone:"],
    "category": "people"
  },
  ":man_running_tone3:": {
    "uc_base": "1f3c3-1f3fd-2642",
    "uc_output": "1f3c3-1f3fd-200d-2642-fe0f",
    "uc_match": "1f3c3-1f3fd-2642-fe0f",
    "uc_greedy": "1f3c3-1f3fd-2642",
    "shortnames": [":man_running_medium_skin_tone:"],
    "category": "people"
  },
  ":man_running_tone4:": {
    "uc_base": "1f3c3-1f3fe-2642",
    "uc_output": "1f3c3-1f3fe-200d-2642-fe0f",
    "uc_match": "1f3c3-1f3fe-2642-fe0f",
    "uc_greedy": "1f3c3-1f3fe-2642",
    "shortnames": [":man_running_medium_dark_skin_tone:"],
    "category": "people"
  },
  ":man_running_tone5:": {
    "uc_base": "1f3c3-1f3ff-2642",
    "uc_output": "1f3c3-1f3ff-200d-2642-fe0f",
    "uc_match": "1f3c3-1f3ff-2642-fe0f",
    "uc_greedy": "1f3c3-1f3ff-2642",
    "shortnames": [":man_running_dark_skin_tone:"],
    "category": "people"
  },
  ":man_shrugging_tone1:": {
    "uc_base": "1f937-1f3fb-2642",
    "uc_output": "1f937-1f3fb-200d-2642-fe0f",
    "uc_match": "1f937-1f3fb-2642-fe0f",
    "uc_greedy": "1f937-1f3fb-2642",
    "shortnames": [":man_shrugging_light_skin_tone:"],
    "category": "people"
  },
  ":man_shrugging_tone2:": {
    "uc_base": "1f937-1f3fc-2642",
    "uc_output": "1f937-1f3fc-200d-2642-fe0f",
    "uc_match": "1f937-1f3fc-2642-fe0f",
    "uc_greedy": "1f937-1f3fc-2642",
    "shortnames": [":man_shrugging_medium_light_skin_tone:"],
    "category": "people"
  },
  ":man_shrugging_tone3:": {
    "uc_base": "1f937-1f3fd-2642",
    "uc_output": "1f937-1f3fd-200d-2642-fe0f",
    "uc_match": "1f937-1f3fd-2642-fe0f",
    "uc_greedy": "1f937-1f3fd-2642",
    "shortnames": [":man_shrugging_medium_skin_tone:"],
    "category": "people"
  },
  ":man_shrugging_tone4:": {
    "uc_base": "1f937-1f3fe-2642",
    "uc_output": "1f937-1f3fe-200d-2642-fe0f",
    "uc_match": "1f937-1f3fe-2642-fe0f",
    "uc_greedy": "1f937-1f3fe-2642",
    "shortnames": [":man_shrugging_medium_dark_skin_tone:"],
    "category": "people"
  },
  ":man_shrugging_tone5:": {
    "uc_base": "1f937-1f3ff-2642",
    "uc_output": "1f937-1f3ff-200d-2642-fe0f",
    "uc_match": "1f937-1f3ff-2642-fe0f",
    "uc_greedy": "1f937-1f3ff-2642",
    "shortnames": [":man_shrugging_dark_skin_tone:"],
    "category": "people"
  },
  ":man_surfing_tone1:": {
    "uc_base": "1f3c4-1f3fb-2642",
    "uc_output": "1f3c4-1f3fb-200d-2642-fe0f",
    "uc_match": "1f3c4-1f3fb-2642-fe0f",
    "uc_greedy": "1f3c4-1f3fb-2642",
    "shortnames": [":man_surfing_light_skin_tone:"],
    "category": "activity"
  },
  ":man_surfing_tone2:": {
    "uc_base": "1f3c4-1f3fc-2642",
    "uc_output": "1f3c4-1f3fc-200d-2642-fe0f",
    "uc_match": "1f3c4-1f3fc-2642-fe0f",
    "uc_greedy": "1f3c4-1f3fc-2642",
    "shortnames": [":man_surfing_medium_light_skin_tone:"],
    "category": "activity"
  },
  ":man_surfing_tone3:": {
    "uc_base": "1f3c4-1f3fd-2642",
    "uc_output": "1f3c4-1f3fd-200d-2642-fe0f",
    "uc_match": "1f3c4-1f3fd-2642-fe0f",
    "uc_greedy": "1f3c4-1f3fd-2642",
    "shortnames": [":man_surfing_medium_skin_tone:"],
    "category": "activity"
  },
  ":man_surfing_tone4:": {
    "uc_base": "1f3c4-1f3fe-2642",
    "uc_output": "1f3c4-1f3fe-200d-2642-fe0f",
    "uc_match": "1f3c4-1f3fe-2642-fe0f",
    "uc_greedy": "1f3c4-1f3fe-2642",
    "shortnames": [":man_surfing_medium_dark_skin_tone:"],
    "category": "activity"
  },
  ":man_surfing_tone5:": {
    "uc_base": "1f3c4-1f3ff-2642",
    "uc_output": "1f3c4-1f3ff-200d-2642-fe0f",
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    "uc_base": "1f469-1f3fb-1f3ed",
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  ":blond_haired_person_tone5:": {
    "uc_base": "1f471-1f3ff",
    "uc_output": "1f471-1f3ff",
    "uc_match": "1f471-1f3ff",
    "uc_greedy": "1f471-1f3ff",
    "shortnames": [":person_with_blond_hair_tone5:"],
    "category": "people"
  },
  ":boy_tone1:": {
    "uc_base": "1f466-1f3fb",
    "uc_output": "1f466-1f3fb",
    "uc_match": "1f466-1f3fb",
    "uc_greedy": "1f466-1f3fb",
    "shortnames": [],
    "category": "people"
  },
  ":boy_tone2:": {
    "uc_base": "1f466-1f3fc",
    "uc_output": "1f466-1f3fc",
    "uc_match": "1f466-1f3fc",
    "uc_greedy": "1f466-1f3fc",
    "shortnames": [],
    "category": "people"
  },
  ":boy_tone3:": {
    "uc_base": "1f466-1f3fd",
    "uc_output": "1f466-1f3fd",
    "uc_match": "1f466-1f3fd",
    "uc_greedy": "1f466-1f3fd",
    "shortnames": [],
    "category": "people"
  },
  ":boy_tone4:": {
    "uc_base": "1f466-1f3fe",
    "uc_output": "1f466-1f3fe",
    "uc_match": "1f466-1f3fe",
    "uc_greedy": "1f466-1f3fe",
    "shortnames": [],
    "category": "people"
  },
  ":boy_tone5:": {
    "uc_base": "1f466-1f3ff",
    "uc_output": "1f466-1f3ff",
    "uc_match": "1f466-1f3ff",
    "uc_greedy": "1f466-1f3ff",
    "shortnames": [],
    "category": "people"
  },
  ":breast_feeding_tone1:": {
    "uc_base": "1f931-1f3fb",
    "uc_output": "1f931-1f3fb",
    "uc_match": "1f931-1f3fb",
    "uc_greedy": "1f931-1f3fb",
    "shortnames": [":breast_feeding_light_skin_tone:"],
    "category": "people"
  },
  ":breast_feeding_tone2:": {
    "uc_base": "1f931-1f3fc",
    "uc_output": "1f931-1f3fc",
    "uc_match": "1f931-1f3fc",
    "uc_greedy": "1f931-1f3fc",
    "shortnames": [":breast_feeding_medium_light_skin_tone:"],
    "category": "people"
  },
  ":breast_feeding_tone3:": {
    "uc_base": "1f931-1f3fd",
    "uc_output": "1f931-1f3fd",
    "uc_match": "1f931-1f3fd",
    "uc_greedy": "1f931-1f3fd",
    "shortnames": [":breast_feeding_medium_skin_tone:"],
    "category": "people"
  },
  ":breast_feeding_tone4:": {
    "uc_base": "1f931-1f3fe",
    "uc_output": "1f931-1f3fe",
    "uc_match": "1f931-1f3fe",
    "uc_greedy": "1f931-1f3fe",
    "shortnames": [":breast_feeding_medium_dark_skin_tone:"],
    "category": "people"
  },
  ":breast_feeding_tone5:": {
    "uc_base": "1f931-1f3ff",
    "uc_output": "1f931-1f3ff",
    "uc_match": "1f931-1f3ff",
    "uc_greedy": "1f931-1f3ff",
    "shortnames": [":breast_feeding_dark_skin_tone:"],
    "category": "people"
  },
  ":bride_with_veil_tone1:": {
    "uc_base": "1f470-1f3fb",
    "uc_output": "1f470-1f3fb",
    "uc_match": "1f470-1f3fb",
    "uc_greedy": "1f470-1f3fb",
    "shortnames": [],
    "category": "people"
  },
  ":bride_with_veil_tone2:": {
    "uc_base": "1f470-1f3fc",
    "uc_output": "1f470-1f3fc",
    "uc_match": "1f470-1f3fc",
    "uc_greedy": "1f470-1f3fc",
    "shortnames": [],
    "category": "people"
  },
  ":bride_with_veil_tone3:": {
    "uc_base": "1f470-1f3fd",
    "uc_output": "1f470-1f3fd",
    "uc_match": "1f470-1f3fd",
    "uc_greedy": "1f470-1f3fd",
    "shortnames": [],
    "category": "people"
  },
  ":bride_with_veil_tone4:": {
    "uc_base": "1f470-1f3fe",
    "uc_output": "1f470-1f3fe",
    "uc_match": "1f470-1f3fe",
    "uc_greedy": "1f470-1f3fe",
    "shortnames": [],
    "category": "people"
  },
  ":bride_with_veil_tone5:": {
    "uc_base": "1f470-1f3ff",
    "uc_output": "1f470-1f3ff",
    "uc_match": "1f470-1f3ff",
    "uc_greedy": "1f470-1f3ff",
    "shortnames": [],
    "category": "people"
  },
  ":call_me_tone1:": {
    "uc_base": "1f919-1f3fb",
    "uc_output": "1f919-1f3fb",
    "uc_match": "1f919-1f3fb",
    "uc_greedy": "1f919-1f3fb",
    "shortnames": [":call_me_hand_tone1:"],
    "category": "people"
  },
  ":call_me_tone2:": {
    "uc_base": "1f919-1f3fc",
    "uc_output": "1f919-1f3fc",
    "uc_match": "1f919-1f3fc",
    "uc_greedy": "1f919-1f3fc",
    "shortnames": [":call_me_hand_tone2:"],
    "category": "people"
  },
  ":call_me_tone3:": {
    "uc_base": "1f919-1f3fd",
    "uc_output": "1f919-1f3fd",
    "uc_match": "1f919-1f3fd",
    "uc_greedy": "1f919-1f3fd",
    "shortnames": [":call_me_hand_tone3:"],
    "category": "people"
  },
  ":call_me_tone4:": {
    "uc_base": "1f919-1f3fe",
    "uc_output": "1f919-1f3fe",
    "uc_match": "1f919-1f3fe",
    "uc_greedy": "1f919-1f3fe",
    "shortnames": [":call_me_hand_tone4:"],
    "category": "people"
  },
  ":call_me_tone5:": {
    "uc_base": "1f919-1f3ff",
    "uc_output": "1f919-1f3ff",
    "uc_match": "1f919-1f3ff",
    "uc_greedy": "1f919-1f3ff",
    "shortnames": [":call_me_hand_tone5:"],
    "category": "people"
  },
  ":child_tone1:": {
    "uc_base": "1f9d2-1f3fb",
    "uc_output": "1f9d2-1f3fb",
    "uc_match": "1f9d2-1f3fb",
    "uc_greedy": "1f9d2-1f3fb",
    "shortnames": [":child_light_skin_tone:"],
    "category": "people"
  },
  ":child_tone2:": {
    "uc_base": "1f9d2-1f3fc",
    "uc_output": "1f9d2-1f3fc",
    "uc_match": "1f9d2-1f3fc",
    "uc_greedy": "1f9d2-1f3fc",
    "shortnames": [":child_medium_light_skin_tone:"],
    "category": "people"
  },
  ":child_tone3:": {
    "uc_base": "1f9d2-1f3fd",
    "uc_output": "1f9d2-1f3fd",
    "uc_match": "1f9d2-1f3fd",
    "uc_greedy": "1f9d2-1f3fd",
    "shortnames": [":child_medium_skin_tone:"],
    "category": "people"
  },
  ":child_tone4:": {
    "uc_base": "1f9d2-1f3fe",
    "uc_output": "1f9d2-1f3fe",
    "uc_match": "1f9d2-1f3fe",
    "uc_greedy": "1f9d2-1f3fe",
    "shortnames": [":child_medium_dark_skin_tone:"],
    "category": "people"
  },
  ":child_tone5:": {
    "uc_base": "1f9d2-1f3ff",
    "uc_output": "1f9d2-1f3ff",
    "uc_match": "1f9d2-1f3ff",
    "uc_greedy": "1f9d2-1f3ff",
    "shortnames": [":child_dark_skin_tone:"],
    "category": "people"
  },
  ":clap_tone1:": {
    "uc_base": "1f44f-1f3fb",
    "uc_output": "1f44f-1f3fb",
    "uc_match": "1f44f-1f3fb",
    "uc_greedy": "1f44f-1f3fb",
    "shortnames": [],
    "category": "people"
  },
  ":clap_tone2:": {
    "uc_base": "1f44f-1f3fc",
    "uc_output": "1f44f-1f3fc",
    "uc_match": "1f44f-1f3fc",
    "uc_greedy": "1f44f-1f3fc",
    "shortnames": [],
    "category": "people"
  },
  ":clap_tone3:": {
    "uc_base": "1f44f-1f3fd",
    "uc_output": "1f44f-1f3fd",
    "uc_match": "1f44f-1f3fd",
    "uc_greedy": "1f44f-1f3fd",
    "shortnames": [],
    "category": "people"
  },
  ":clap_tone4:": {
    "uc_base": "1f44f-1f3fe",
    "uc_output": "1f44f-1f3fe",
    "uc_match": "1f44f-1f3fe",
    "uc_greedy": "1f44f-1f3fe",
    "shortnames": [],
    "category": "people"
  },
  ":clap_tone5:": {
    "uc_base": "1f44f-1f3ff",
    "uc_output": "1f44f-1f3ff",
    "uc_match": "1f44f-1f3ff",
    "uc_greedy": "1f44f-1f3ff",
    "shortnames": [],
    "category": "people"
  },
  ":construction_worker_tone1:": {
    "uc_base": "1f477-1f3fb",
    "uc_output": "1f477-1f3fb",
    "uc_match": "1f477-1f3fb",
    "uc_greedy": "1f477-1f3fb",
    "shortnames": [],
    "category": "people"
  },
  ":construction_worker_tone2:": {
    "uc_base": "1f477-1f3fc",
    "uc_output": "1f477-1f3fc",
    "uc_match": "1f477-1f3fc",
    "uc_greedy": "1f477-1f3fc",
    "shortnames": [],
    "category": "people"
  },
  ":construction_worker_tone3:": {
    "uc_base": "1f477-1f3fd",
    "uc_output": "1f477-1f3fd",
    "uc_match": "1f477-1f3fd",
    "uc_greedy": "1f477-1f3fd",
    "shortnames": [],
    "category": "people"
  },
  ":construction_worker_tone4:": {
    "uc_base": "1f477-1f3fe",
    "uc_output": "1f477-1f3fe",
    "uc_match": "1f477-1f3fe",
    "uc_greedy": "1f477-1f3fe",
    "shortnames": [],
    "category": "people"
  },
  ":construction_worker_tone5:": {
    "uc_base": "1f477-1f3ff",
    "uc_output": "1f477-1f3ff",
    "uc_match": "1f477-1f3ff",
    "uc_greedy": "1f477-1f3ff",
    "shortnames": [],
    "category": "people"
  },
  ":dancer_tone1:": {
    "uc_base": "1f483-1f3fb",
    "uc_output": "1f483-1f3fb",
    "uc_match": "1f483-1f3fb",
    "uc_greedy": "1f483-1f3fb",
    "shortnames": [],
    "category": "people"
  },
  ":dancer_tone2:": {
    "uc_base": "1f483-1f3fc",
    "uc_output": "1f483-1f3fc",
    "uc_match": "1f483-1f3fc",
    "uc_greedy": "1f483-1f3fc",
    "shortnames": [],
    "category": "people"
  },
  ":dancer_tone3:": {
    "uc_base": "1f483-1f3fd",
    "uc_output": "1f483-1f3fd",
    "uc_match": "1f483-1f3fd",
    "uc_greedy": "1f483-1f3fd",
    "shortnames": [],
    "category": "people"
  },
  ":dancer_tone4:": {
    "uc_base": "1f483-1f3fe",
    "uc_output": "1f483-1f3fe",
    "uc_match": "1f483-1f3fe",
    "uc_greedy": "1f483-1f3fe",
    "shortnames": [],
    "category": "people"
  },
  ":dancer_tone5:": {
    "uc_base": "1f483-1f3ff",
    "uc_output": "1f483-1f3ff",
    "uc_match": "1f483-1f3ff",
    "uc_greedy": "1f483-1f3ff",
    "shortnames": [],
    "category": "people"
  },
  ":detective_tone1:": {
    "uc_base": "1f575-1f3fb",
    "uc_output": "1f575-1f3fb",
    "uc_match": "1f575-fe0f-1f3fb",
    "uc_greedy": "1f575-fe0f-1f3fb",
    "shortnames": [":spy_tone1:", ":sleuth_or_spy_tone1:"],
    "category": "people"
  },
  ":detective_tone2:": {
    "uc_base": "1f575-1f3fc",
    "uc_output": "1f575-1f3fc",
    "uc_match": "1f575-fe0f-1f3fc",
    "uc_greedy": "1f575-fe0f-1f3fc",
    "shortnames": [":spy_tone2:", ":sleuth_or_spy_tone2:"],
    "category": "people"
  },
  ":detective_tone3:": {
    "uc_base": "1f575-1f3fd",
    "uc_output": "1f575-1f3fd",
    "uc_match": "1f575-fe0f-1f3fd",
    "uc_greedy": "1f575-fe0f-1f3fd",
    "shortnames": [":spy_tone3:", ":sleuth_or_spy_tone3:"],
    "category": "people"
  },
  ":detective_tone4:": {
    "uc_base": "1f575-1f3fe",
    "uc_output": "1f575-1f3fe",
    "uc_match": "1f575-fe0f-1f3fe",
    "uc_greedy": "1f575-fe0f-1f3fe",
    "shortnames": [":spy_tone4:", ":sleuth_or_spy_tone4:"],
    "category": "people"
  },
  ":detective_tone5:": {
    "uc_base": "1f575-1f3ff",
    "uc_output": "1f575-1f3ff",
    "uc_match": "1f575-fe0f-1f3ff",
    "uc_greedy": "1f575-fe0f-1f3ff",
    "shortnames": [":spy_tone5:", ":sleuth_or_spy_tone5:"],
    "category": "people"
  },
  ":ear_tone1:": {
    "uc_base": "1f442-1f3fb",
    "uc_output": "1f442-1f3fb",
    "uc_match": "1f442-1f3fb",
    "uc_greedy": "1f442-1f3fb",
    "shortnames": [],
    "category": "people"
  },
  ":ear_tone2:": {
    "uc_base": "1f442-1f3fc",
    "uc_output": "1f442-1f3fc",
    "uc_match": "1f442-1f3fc",
    "uc_greedy": "1f442-1f3fc",
    "shortnames": [],
    "category": "people"
  },
  ":ear_tone3:": {
    "uc_base": "1f442-1f3fd",
    "uc_output": "1f442-1f3fd",
    "uc_match": "1f442-1f3fd",
    "uc_greedy": "1f442-1f3fd",
    "shortnames": [],
    "category": "people"
  },
  ":ear_tone4:": {
    "uc_base": "1f442-1f3fe",
    "uc_output": "1f442-1f3fe",
    "uc_match": "1f442-1f3fe",
    "uc_greedy": "1f442-1f3fe",
    "shortnames": [],
    "category": "people"
  },
  ":ear_tone5:": {
    "uc_base": "1f442-1f3ff",
    "uc_output": "1f442-1f3ff",
    "uc_match": "1f442-1f3ff",
    "uc_greedy": "1f442-1f3ff",
    "shortnames": [],
    "category": "people"
  },
  ":elf_tone1:": {
    "uc_base": "1f9dd-1f3fb",
    "uc_output": "1f9dd-1f3fb",
    "uc_match": "1f9dd-1f3fb",
    "uc_greedy": "1f9dd-1f3fb",
    "shortnames": [":elf_light_skin_tone:"],
    "category": "people"
  },
  ":elf_tone2:": {
    "uc_base": "1f9dd-1f3fc",
    "uc_output": "1f9dd-1f3fc",
    "uc_match": "1f9dd-1f3fc",
    "uc_greedy": "1f9dd-1f3fc",
    "shortnames": [":elf_medium_light_skin_tone:"],
    "category": "people"
  },
  ":elf_tone3:": {
    "uc_base": "1f9dd-1f3fd",
    "uc_output": "1f9dd-1f3fd",
    "uc_match": "1f9dd-1f3fd",
    "uc_greedy": "1f9dd-1f3fd",
    "shortnames": [":elf_medium_skin_tone:"],
    "category": "people"
  },
  ":elf_tone4:": {
    "uc_base": "1f9dd-1f3fe",
    "uc_output": "1f9dd-1f3fe",
    "uc_match": "1f9dd-1f3fe",
    "uc_greedy": "1f9dd-1f3fe",
    "shortnames": [":elf_medium_dark_skin_tone:"],
    "category": "people"
  },
  ":elf_tone5:": {
    "uc_base": "1f9dd-1f3ff",
    "uc_output": "1f9dd-1f3ff",
    "uc_match": "1f9dd-1f3ff",
    "uc_greedy": "1f9dd-1f3ff",
    "shortnames": [":elf_dark_skin_tone:"],
    "category": "people"
  },
  ":fairy_tone1:": {
    "uc_base": "1f9da-1f3fb",
    "uc_output": "1f9da-1f3fb",
    "uc_match": "1f9da-1f3fb",
    "uc_greedy": "1f9da-1f3fb",
    "shortnames": [":fairy_light_skin_tone:"],
    "category": "people"
  },
  ":fairy_tone2:": {
    "uc_base": "1f9da-1f3fc",
    "uc_output": "1f9da-1f3fc",
    "uc_match": "1f9da-1f3fc",
    "uc_greedy": "1f9da-1f3fc",
    "shortnames": [":fairy_medium_light_skin_tone:"],
    "category": "people"
  },
  ":fairy_tone3:": {
    "uc_base": "1f9da-1f3fd",
    "uc_output": "1f9da-1f3fd",
    "uc_match": "1f9da-1f3fd",
    "uc_greedy": "1f9da-1f3fd",
    "shortnames": [":fairy_medium_skin_tone:"],
    "category": "people"
  },
  ":fairy_tone4:": {
    "uc_base": "1f9da-1f3fe",
    "uc_output": "1f9da-1f3fe",
    "uc_match": "1f9da-1f3fe",
    "uc_greedy": "1f9da-1f3fe",
    "shortnames": [":fairy_medium_dark_skin_tone:"],
    "category": "people"
  },
  ":fairy_tone5:": {
    "uc_base": "1f9da-1f3ff",
    "uc_output": "1f9da-1f3ff",
    "uc_match": "1f9da-1f3ff",
    "uc_greedy": "1f9da-1f3ff",
    "shortnames": [":fairy_dark_skin_tone:"],
    "category": "people"
  },
  ":fingers_crossed_tone1:": {
    "uc_base": "1f91e-1f3fb",
    "uc_output": "1f91e-1f3fb",
    "uc_match": "1f91e-1f3fb",
    "uc_greedy": "1f91e-1f3fb",
    "shortnames": [":hand_with_index_and_middle_fingers_crossed_tone1:"],
    "category": "people"
  },
  ":fingers_crossed_tone2:": {
    "uc_base": "1f91e-1f3fc",
    "uc_output": "1f91e-1f3fc",
    "uc_match": "1f91e-1f3fc",
    "uc_greedy": "1f91e-1f3fc",
    "shortnames": [":hand_with_index_and_middle_fingers_crossed_tone2:"],
    "category": "people"
  },
  ":fingers_crossed_tone3:": {
    "uc_base": "1f91e-1f3fd",
    "uc_output": "1f91e-1f3fd",
    "uc_match": "1f91e-1f3fd",
    "uc_greedy": "1f91e-1f3fd",
    "shortnames": [":hand_with_index_and_middle_fingers_crossed_tone3:"],
    "category": "people"
  },
  ":fingers_crossed_tone4:": {
    "uc_base": "1f91e-1f3fe",
    "uc_output": "1f91e-1f3fe",
    "uc_match": "1f91e-1f3fe",
    "uc_greedy": "1f91e-1f3fe",
    "shortnames": [":hand_with_index_and_middle_fingers_crossed_tone4:"],
    "category": "people"
  },
  ":fingers_crossed_tone5:": {
    "uc_base": "1f91e-1f3ff",
    "uc_output": "1f91e-1f3ff",
    "uc_match": "1f91e-1f3ff",
    "uc_greedy": "1f91e-1f3ff",
    "shortnames": [":hand_with_index_and_middle_fingers_crossed_tone5:"],
    "category": "people"
  },
  ":flag_ac:": {
    "uc_base": "1f1e6-1f1e8",
    "uc_output": "1f1e6-1f1e8",
    "uc_match": "1f1e6-1f1e8",
    "uc_greedy": "1f1e6-1f1e8",
    "shortnames": [":ac:"],
    "category": "flags"
  },
  ":flag_ad:": {
    "uc_base": "1f1e6-1f1e9",
    "uc_output": "1f1e6-1f1e9",
    "uc_match": "1f1e6-1f1e9",
    "uc_greedy": "1f1e6-1f1e9",
    "shortnames": [":ad:"],
    "category": "flags"
  },
  ":flag_ae:": {
    "uc_base": "1f1e6-1f1ea",
    "uc_output": "1f1e6-1f1ea",
    "uc_match": "1f1e6-1f1ea",
    "uc_greedy": "1f1e6-1f1ea",
    "shortnames": [":ae:"],
    "category": "flags"
  },
  ":flag_af:": {
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    "uc_base": "1f91b-1f3fb",
    "uc_output": "1f91b-1f3fb",
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    "category": "people"
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    "uc_base": "1f91b-1f3fc",
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    "uc_base": "1f91b-1f3fe",
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    "category": "people"
  },
  ":left_facing_fist_tone5:": {
    "uc_base": "1f91b-1f3ff",
    "uc_output": "1f91b-1f3ff",
    "uc_match": "1f91b-1f3ff",
    "uc_greedy": "1f91b-1f3ff",
    "shortnames": [":left_fist_tone5:"],
    "category": "people"
  },
  ":levitate_tone1:": {
    "uc_base": "1f574-1f3fb",
    "uc_output": "1f574-1f3fb",
    "uc_match": "1f574-fe0f-1f3fb",
    "uc_greedy": "1f574-fe0f-1f3fb",
    "shortnames": [":man_in_business_suit_levitating_tone1:", ":man_in_business_suit_levitating_light_skin_tone:"],
    "category": "people"
  },
  ":levitate_tone2:": {
    "uc_base": "1f574-1f3fc",
    "uc_output": "1f574-1f3fc",
    "uc_match": "1f574-fe0f-1f3fc",
    "uc_greedy": "1f574-fe0f-1f3fc",
    "shortnames": [":man_in_business_suit_levitating_tone2:", ":man_in_business_suit_levitating_medium_light_skin_tone:"],
    "category": "people"
  },
  ":levitate_tone3:": {
    "uc_base": "1f574-1f3fd",
    "uc_output": "1f574-1f3fd",
    "uc_match": "1f574-fe0f-1f3fd",
    "uc_greedy": "1f574-fe0f-1f3fd",
    "shortnames": [":man_in_business_suit_levitating_tone3:", ":man_in_business_suit_levitating_medium_skin_tone:"],
    "category": "people"
  },
  ":levitate_tone4:": {
    "uc_base": "1f574-1f3fe",
    "uc_output": "1f574-1f3fe",
    "uc_match": "1f574-fe0f-1f3fe",
    "uc_greedy": "1f574-fe0f-1f3fe",
    "shortnames": [":man_in_business_suit_levitating_tone4:", ":man_in_business_suit_levitating_medium_dark_skin_tone:"],
    "category": "people"
  },
  ":levitate_tone5:": {
    "uc_base": "1f574-1f3ff",
    "uc_output": "1f574-1f3ff",
    "uc_match": "1f574-fe0f-1f3ff",
    "uc_greedy": "1f574-fe0f-1f3ff",
    "shortnames": [":man_in_business_suit_levitating_tone5:", ":man_in_business_suit_levitating_dark_skin_tone:"],
    "category": "people"
  },
  ":love_you_gesture_tone1:": {
    "uc_base": "1f91f-1f3fb",
    "uc_output": "1f91f-1f3fb",
    "uc_match": "1f91f-1f3fb",
    "uc_greedy": "1f91f-1f3fb",
    "shortnames": [":love_you_gesture_light_skin_tone:"],
    "category": "people"
  },
  ":love_you_gesture_tone2:": {
    "uc_base": "1f91f-1f3fc",
    "uc_output": "1f91f-1f3fc",
    "uc_match": "1f91f-1f3fc",
    "uc_greedy": "1f91f-1f3fc",
    "shortnames": [":love_you_gesture_medium_light_skin_tone:"],
    "category": "people"
  },
  ":love_you_gesture_tone3:": {
    "uc_base": "1f91f-1f3fd",
    "uc_output": "1f91f-1f3fd",
    "uc_match": "1f91f-1f3fd",
    "uc_greedy": "1f91f-1f3fd",
    "shortnames": [":love_you_gesture_medium_skin_tone:"],
    "category": "people"
  },
  ":love_you_gesture_tone4:": {
    "uc_base": "1f91f-1f3fe",
    "uc_output": "1f91f-1f3fe",
    "uc_match": "1f91f-1f3fe",
    "uc_greedy": "1f91f-1f3fe",
    "shortnames": [":love_you_gesture_medium_dark_skin_tone:"],
    "category": "people"
  },
  ":love_you_gesture_tone5:": {
    "uc_base": "1f91f-1f3ff",
    "uc_output": "1f91f-1f3ff",
    "uc_match": "1f91f-1f3ff",
    "uc_greedy": "1f91f-1f3ff",
    "shortnames": [":love_you_gesture_dark_skin_tone:"],
    "category": "people"
  },
  ":mage_tone1:": {
    "uc_base": "1f9d9-1f3fb",
    "uc_output": "1f9d9-1f3fb",
    "uc_match": "1f9d9-1f3fb",
    "uc_greedy": "1f9d9-1f3fb",
    "shortnames": [":mage_light_skin_tone:"],
    "category": "people"
  },
  ":mage_tone2:": {
    "uc_base": "1f9d9-1f3fc",
    "uc_output": "1f9d9-1f3fc",
    "uc_match": "1f9d9-1f3fc",
    "uc_greedy": "1f9d9-1f3fc",
    "shortnames": [":mage_medium_light_skin_tone:"],
    "category": "people"
  },
  ":mage_tone3:": {
    "uc_base": "1f9d9-1f3fd",
    "uc_output": "1f9d9-1f3fd",
    "uc_match": "1f9d9-1f3fd",
    "uc_greedy": "1f9d9-1f3fd",
    "shortnames": [":mage_medium_skin_tone:"],
    "category": "people"
  },
  ":mage_tone4:": {
    "uc_base": "1f9d9-1f3fe",
    "uc_output": "1f9d9-1f3fe",
    "uc_match": "1f9d9-1f3fe",
    "uc_greedy": "1f9d9-1f3fe",
    "shortnames": [":mage_medium_dark_skin_tone:"],
    "category": "people"
  },
  ":mage_tone5:": {
    "uc_base": "1f9d9-1f3ff",
    "uc_output": "1f9d9-1f3ff",
    "uc_match": "1f9d9-1f3ff",
    "uc_greedy": "1f9d9-1f3ff",
    "shortnames": [":mage_dark_skin_tone:"],
    "category": "people"
  },
  ":man_dancing_tone1:": {
    "uc_base": "1f57a-1f3fb",
    "uc_output": "1f57a-1f3fb",
    "uc_match": "1f57a-1f3fb",
    "uc_greedy": "1f57a-1f3fb",
    "shortnames": [":male_dancer_tone1:"],
    "category": "people"
  },
  ":man_dancing_tone2:": {
    "uc_base": "1f57a-1f3fc",
    "uc_output": "1f57a-1f3fc",
    "uc_match": "1f57a-1f3fc",
    "uc_greedy": "1f57a-1f3fc",
    "shortnames": [":male_dancer_tone2:"],
    "category": "people"
  },
  ":man_dancing_tone3:": {
    "uc_base": "1f57a-1f3fd",
    "uc_output": "1f57a-1f3fd",
    "uc_match": "1f57a-1f3fd",
    "uc_greedy": "1f57a-1f3fd",
    "shortnames": [":male_dancer_tone3:"],
    "category": "people"
  },
  ":man_dancing_tone4:": {
    "uc_base": "1f57a-1f3fe",
    "uc_output": "1f57a-1f3fe",
    "uc_match": "1f57a-1f3fe",
    "uc_greedy": "1f57a-1f3fe",
    "shortnames": [":male_dancer_tone4:"],
    "category": "people"
  },
  ":man_dancing_tone5:": {
    "uc_base": "1f57a-1f3ff",
    "uc_output": "1f57a-1f3ff",
    "uc_match": "1f57a-1f3ff",
    "uc_greedy": "1f57a-1f3ff",
    "shortnames": [":male_dancer_tone5:"],
    "category": "people"
  },
  ":man_in_tuxedo_tone1:": {
    "uc_base": "1f935-1f3fb",
    "uc_output": "1f935-1f3fb",
    "uc_match": "1f935-1f3fb",
    "uc_greedy": "1f935-1f3fb",
    "shortnames": [":tuxedo_tone1:"],
    "category": "people"
  },
  ":man_in_tuxedo_tone2:": {
    "uc_base": "1f935-1f3fc",
    "uc_output": "1f935-1f3fc",
    "uc_match": "1f935-1f3fc",
    "uc_greedy": "1f935-1f3fc",
    "shortnames": [":tuxedo_tone2:"],
    "category": "people"
  },
  ":man_in_tuxedo_tone3:": {
    "uc_base": "1f935-1f3fd",
    "uc_output": "1f935-1f3fd",
    "uc_match": "1f935-1f3fd",
    "uc_greedy": "1f935-1f3fd",
    "shortnames": [":tuxedo_tone3:"],
    "category": "people"
  },
  ":man_in_tuxedo_tone4:": {
    "uc_base": "1f935-1f3fe",
    "uc_output": "1f935-1f3fe",
    "uc_match": "1f935-1f3fe",
    "uc_greedy": "1f935-1f3fe",
    "shortnames": [":tuxedo_tone4:"],
    "category": "people"
  },
  ":man_in_tuxedo_tone5:": {
    "uc_base": "1f935-1f3ff",
    "uc_output": "1f935-1f3ff",
    "uc_match": "1f935-1f3ff",
    "uc_greedy": "1f935-1f3ff",
    "shortnames": [":tuxedo_tone5:"],
    "category": "people"
  },
  ":man_tone1:": {
    "uc_base": "1f468-1f3fb",
    "uc_output": "1f468-1f3fb",
    "uc_match": "1f468-1f3fb",
    "uc_greedy": "1f468-1f3fb",
    "shortnames": [],
    "category": "people"
  },
  ":man_tone2:": {
    "uc_base": "1f468-1f3fc",
    "uc_output": "1f468-1f3fc",
    "uc_match": "1f468-1f3fc",
    "uc_greedy": "1f468-1f3fc",
    "shortnames": [],
    "category": "people"
  },
  ":man_tone3:": {
    "uc_base": "1f468-1f3fd",
    "uc_output": "1f468-1f3fd",
    "uc_match": "1f468-1f3fd",
    "uc_greedy": "1f468-1f3fd",
    "shortnames": [],
    "category": "people"
  },
  ":man_tone4:": {
    "uc_base": "1f468-1f3fe",
    "uc_output": "1f468-1f3fe",
    "uc_match": "1f468-1f3fe",
    "uc_greedy": "1f468-1f3fe",
    "shortnames": [],
    "category": "people"
  },
  ":man_tone5:": {
    "uc_base": "1f468-1f3ff",
    "uc_output": "1f468-1f3ff",
    "uc_match": "1f468-1f3ff",
    "uc_greedy": "1f468-1f3ff",
    "shortnames": [],
    "category": "people"
  },
  ":man_with_chinese_cap_tone1:": {
    "uc_base": "1f472-1f3fb",
    "uc_output": "1f472-1f3fb",
    "uc_match": "1f472-1f3fb",
    "uc_greedy": "1f472-1f3fb",
    "shortnames": [":man_with_gua_pi_mao_tone1:"],
    "category": "people"
  },
  ":man_with_chinese_cap_tone2:": {
    "uc_base": "1f472-1f3fc",
    "uc_output": "1f472-1f3fc",
    "uc_match": "1f472-1f3fc",
    "uc_greedy": "1f472-1f3fc",
    "shortnames": [":man_with_gua_pi_mao_tone2:"],
    "category": "people"
  },
  ":man_with_chinese_cap_tone3:": {
    "uc_base": "1f472-1f3fd",
    "uc_output": "1f472-1f3fd",
    "uc_match": "1f472-1f3fd",
    "uc_greedy": "1f472-1f3fd",
    "shortnames": [":man_with_gua_pi_mao_tone3:"],
    "category": "people"
  },
  ":man_with_chinese_cap_tone4:": {
    "uc_base": "1f472-1f3fe",
    "uc_output": "1f472-1f3fe",
    "uc_match": "1f472-1f3fe",
    "uc_greedy": "1f472-1f3fe",
    "shortnames": [":man_with_gua_pi_mao_tone4:"],
    "category": "people"
  },
  ":man_with_chinese_cap_tone5:": {
    "uc_base": "1f472-1f3ff",
    "uc_output": "1f472-1f3ff",
    "uc_match": "1f472-1f3ff",
    "uc_greedy": "1f472-1f3ff",
    "shortnames": [":man_with_gua_pi_mao_tone5:"],
    "category": "people"
  },
  ":merperson_tone1:": {
    "uc_base": "1f9dc-1f3fb",
    "uc_output": "1f9dc-1f3fb",
    "uc_match": "1f9dc-1f3fb",
    "uc_greedy": "1f9dc-1f3fb",
    "shortnames": [":merperson_light_skin_tone:"],
    "category": "people"
  },
  ":merperson_tone2:": {
    "uc_base": "1f9dc-1f3fc",
    "uc_output": "1f9dc-1f3fc",
    "uc_match": "1f9dc-1f3fc",
    "uc_greedy": "1f9dc-1f3fc",
    "shortnames": [":merperson_medium_light_skin_tone:"],
    "category": "people"
  },
  ":merperson_tone3:": {
    "uc_base": "1f9dc-1f3fd",
    "uc_output": "1f9dc-1f3fd",
    "uc_match": "1f9dc-1f3fd",
    "uc_greedy": "1f9dc-1f3fd",
    "shortnames": [":merperson_medium_skin_tone:"],
    "category": "people"
  },
  ":merperson_tone4:": {
    "uc_base": "1f9dc-1f3fe",
    "uc_output": "1f9dc-1f3fe",
    "uc_match": "1f9dc-1f3fe",
    "uc_greedy": "1f9dc-1f3fe",
    "shortnames": [":merperson_medium_dark_skin_tone:"],
    "category": "people"
  },
  ":merperson_tone5:": {
    "uc_base": "1f9dc-1f3ff",
    "uc_output": "1f9dc-1f3ff",
    "uc_match": "1f9dc-1f3ff",
    "uc_greedy": "1f9dc-1f3ff",
    "shortnames": [":merperson_dark_skin_tone:"],
    "category": "people"
  },
  ":metal_tone1:": {
    "uc_base": "1f918-1f3fb",
    "uc_output": "1f918-1f3fb",
    "uc_match": "1f918-1f3fb",
    "uc_greedy": "1f918-1f3fb",
    "shortnames": [":sign_of_the_horns_tone1:"],
    "category": "people"
  },
  ":metal_tone2:": {
    "uc_base": "1f918-1f3fc",
    "uc_output": "1f918-1f3fc",
    "uc_match": "1f918-1f3fc",
    "uc_greedy": "1f918-1f3fc",
    "shortnames": [":sign_of_the_horns_tone2:"],
    "category": "people"
  },
  ":metal_tone3:": {
    "uc_base": "1f918-1f3fd",
    "uc_output": "1f918-1f3fd",
    "uc_match": "1f918-1f3fd",
    "uc_greedy": "1f918-1f3fd",
    "shortnames": [":sign_of_the_horns_tone3:"],
    "category": "people"
  },
  ":metal_tone4:": {
    "uc_base": "1f918-1f3fe",
    "uc_output": "1f918-1f3fe",
    "uc_match": "1f918-1f3fe",
    "uc_greedy": "1f918-1f3fe",
    "shortnames": [":sign_of_the_horns_tone4:"],
    "category": "people"
  },
  ":metal_tone5:": {
    "uc_base": "1f918-1f3ff",
    "uc_output": "1f918-1f3ff",
    "uc_match": "1f918-1f3ff",
    "uc_greedy": "1f918-1f3ff",
    "shortnames": [":sign_of_the_horns_tone5:"],
    "category": "people"
  },
  ":middle_finger_tone1:": {
    "uc_base": "1f595-1f3fb",
    "uc_output": "1f595-1f3fb",
    "uc_match": "1f595-1f3fb",
    "uc_greedy": "1f595-1f3fb",
    "shortnames": [":reversed_hand_with_middle_finger_extended_tone1:"],
    "category": "people"
  },
  ":middle_finger_tone2:": {
    "uc_base": "1f595-1f3fc",
    "uc_output": "1f595-1f3fc",
    "uc_match": "1f595-1f3fc",
    "uc_greedy": "1f595-1f3fc",
    "shortnames": [":reversed_hand_with_middle_finger_extended_tone2:"],
    "category": "people"
  },
  ":middle_finger_tone3:": {
    "uc_base": "1f595-1f3fd",
    "uc_output": "1f595-1f3fd",
    "uc_match": "1f595-1f3fd",
    "uc_greedy": "1f595-1f3fd",
    "shortnames": [":reversed_hand_with_middle_finger_extended_tone3:"],
    "category": "people"
  },
  ":middle_finger_tone4:": {
    "uc_base": "1f595-1f3fe",
    "uc_output": "1f595-1f3fe",
    "uc_match": "1f595-1f3fe",
    "uc_greedy": "1f595-1f3fe",
    "shortnames": [":reversed_hand_with_middle_finger_extended_tone4:"],
    "category": "people"
  },
  ":middle_finger_tone5:": {
    "uc_base": "1f595-1f3ff",
    "uc_output": "1f595-1f3ff",
    "uc_match": "1f595-1f3ff",
    "uc_greedy": "1f595-1f3ff",
    "shortnames": [":reversed_hand_with_middle_finger_extended_tone5:"],
    "category": "people"
  },
  ":mrs_claus_tone1:": {
    "uc_base": "1f936-1f3fb",
    "uc_output": "1f936-1f3fb",
    "uc_match": "1f936-1f3fb",
    "uc_greedy": "1f936-1f3fb",
    "shortnames": [":mother_christmas_tone1:"],
    "category": "people"
  },
  ":mrs_claus_tone2:": {
    "uc_base": "1f936-1f3fc",
    "uc_output": "1f936-1f3fc",
    "uc_match": "1f936-1f3fc",
    "uc_greedy": "1f936-1f3fc",
    "shortnames": [":mother_christmas_tone2:"],
    "category": "people"
  },
  ":mrs_claus_tone3:": {
    "uc_base": "1f936-1f3fd",
    "uc_output": "1f936-1f3fd",
    "uc_match": "1f936-1f3fd",
    "uc_greedy": "1f936-1f3fd",
    "shortnames": [":mother_christmas_tone3:"],
    "category": "people"
  },
  ":mrs_claus_tone4:": {
    "uc_base": "1f936-1f3fe",
    "uc_output": "1f936-1f3fe",
    "uc_match": "1f936-1f3fe",
    "uc_greedy": "1f936-1f3fe",
    "shortnames": [":mother_christmas_tone4:"],
    "category": "people"
  },
  ":mrs_claus_tone5:": {
    "uc_base": "1f936-1f3ff",
    "uc_output": "1f936-1f3ff",
    "uc_match": "1f936-1f3ff",
    "uc_greedy": "1f936-1f3ff",
    "shortnames": [":mother_christmas_tone5:"],
    "category": "people"
  },
  ":muscle_tone1:": {
    "uc_base": "1f4aa-1f3fb",
    "uc_output": "1f4aa-1f3fb",
    "uc_match": "1f4aa-1f3fb",
    "uc_greedy": "1f4aa-1f3fb",
    "shortnames": [],
    "category": "people"
  },
  ":muscle_tone2:": {
    "uc_base": "1f4aa-1f3fc",
    "uc_output": "1f4aa-1f3fc",
    "uc_match": "1f4aa-1f3fc",
    "uc_greedy": "1f4aa-1f3fc",
    "shortnames": [],
    "category": "people"
  },
  ":muscle_tone3:": {
    "uc_base": "1f4aa-1f3fd",
    "uc_output": "1f4aa-1f3fd",
    "uc_match": "1f4aa-1f3fd",
    "uc_greedy": "1f4aa-1f3fd",
    "shortnames": [],
    "category": "people"
  },
  ":muscle_tone4:": {
    "uc_base": "1f4aa-1f3fe",
    "uc_output": "1f4aa-1f3fe",
    "uc_match": "1f4aa-1f3fe",
    "uc_greedy": "1f4aa-1f3fe",
    "shortnames": [],
    "category": "people"
  },
  ":muscle_tone5:": {
    "uc_base": "1f4aa-1f3ff",
    "uc_output": "1f4aa-1f3ff",
    "uc_match": "1f4aa-1f3ff",
    "uc_greedy": "1f4aa-1f3ff",
    "shortnames": [],
    "category": "people"
  },
  ":nail_care_tone1:": {
    "uc_base": "1f485-1f3fb",
    "uc_output": "1f485-1f3fb",
    "uc_match": "1f485-1f3fb",
    "uc_greedy": "1f485-1f3fb",
    "shortnames": [],
    "category": "people"
  },
  ":nail_care_tone2:": {
    "uc_base": "1f485-1f3fc",
    "uc_output": "1f485-1f3fc",
    "uc_match": "1f485-1f3fc",
    "uc_greedy": "1f485-1f3fc",
    "shortnames": [],
    "category": "people"
  },
  ":nail_care_tone3:": {
    "uc_base": "1f485-1f3fd",
    "uc_output": "1f485-1f3fd",
    "uc_match": "1f485-1f3fd",
    "uc_greedy": "1f485-1f3fd",
    "shortnames": [],
    "category": "people"
  },
  ":nail_care_tone4:": {
    "uc_base": "1f485-1f3fe",
    "uc_output": "1f485-1f3fe",
    "uc_match": "1f485-1f3fe",
    "uc_greedy": "1f485-1f3fe",
    "shortnames": [],
    "category": "people"
  },
  ":nail_care_tone5:": {
    "uc_base": "1f485-1f3ff",
    "uc_output": "1f485-1f3ff",
    "uc_match": "1f485-1f3ff",
    "uc_greedy": "1f485-1f3ff",
    "shortnames": [],
    "category": "people"
  },
  ":nose_tone1:": {
    "uc_base": "1f443-1f3fb",
    "uc_output": "1f443-1f3fb",
    "uc_match": "1f443-1f3fb",
    "uc_greedy": "1f443-1f3fb",
    "shortnames": [],
    "category": "people"
  },
  ":nose_tone2:": {
    "uc_base": "1f443-1f3fc",
    "uc_output": "1f443-1f3fc",
    "uc_match": "1f443-1f3fc",
    "uc_greedy": "1f443-1f3fc",
    "shortnames": [],
    "category": "people"
  },
  ":nose_tone3:": {
    "uc_base": "1f443-1f3fd",
    "uc_output": "1f443-1f3fd",
    "uc_match": "1f443-1f3fd",
    "uc_greedy": "1f443-1f3fd",
    "shortnames": [],
    "category": "people"
  },
  ":nose_tone4:": {
    "uc_base": "1f443-1f3fe",
    "uc_output": "1f443-1f3fe",
    "uc_match": "1f443-1f3fe",
    "uc_greedy": "1f443-1f3fe",
    "shortnames": [],
    "category": "people"
  },
  ":nose_tone5:": {
    "uc_base": "1f443-1f3ff",
    "uc_output": "1f443-1f3ff",
    "uc_match": "1f443-1f3ff",
    "uc_greedy": "1f443-1f3ff",
    "shortnames": [],
    "category": "people"
  },
  ":ok_hand_tone1:": {
    "uc_base": "1f44c-1f3fb",
    "uc_output": "1f44c-1f3fb",
    "uc_match": "1f44c-1f3fb",
    "uc_greedy": "1f44c-1f3fb",
    "shortnames": [],
    "category": "people"
  },
  ":ok_hand_tone2:": {
    "uc_base": "1f44c-1f3fc",
    "uc_output": "1f44c-1f3fc",
    "uc_match": "1f44c-1f3fc",
    "uc_greedy": "1f44c-1f3fc",
    "shortnames": [],
    "category": "people"
  },
  ":ok_hand_tone3:": {
    "uc_base": "1f44c-1f3fd",
    "uc_output": "1f44c-1f3fd",
    "uc_match": "1f44c-1f3fd",
    "uc_greedy": "1f44c-1f3fd",
    "shortnames": [],
    "category": "people"
  },
  ":ok_hand_tone4:": {
    "uc_base": "1f44c-1f3fe",
    "uc_output": "1f44c-1f3fe",
    "uc_match": "1f44c-1f3fe",
    "uc_greedy": "1f44c-1f3fe",
    "shortnames": [],
    "category": "people"
  },
  ":ok_hand_tone5:": {
    "uc_base": "1f44c-1f3ff",
    "uc_output": "1f44c-1f3ff",
    "uc_match": "1f44c-1f3ff",
    "uc_greedy": "1f44c-1f3ff",
    "shortnames": [],
    "category": "people"
  },
  ":older_adult_tone1:": {
    "uc_base": "1f9d3-1f3fb",
    "uc_output": "1f9d3-1f3fb",
    "uc_match": "1f9d3-1f3fb",
    "uc_greedy": "1f9d3-1f3fb",
    "shortnames": [":older_adult_light_skin_tone:"],
    "category": "people"
  },
  ":older_adult_tone2:": {
    "uc_base": "1f9d3-1f3fc",
    "uc_output": "1f9d3-1f3fc",
    "uc_match": "1f9d3-1f3fc",
    "uc_greedy": "1f9d3-1f3fc",
    "shortnames": [":older_adult_medium_light_skin_tone:"],
    "category": "people"
  },
  ":older_adult_tone3:": {
    "uc_base": "1f9d3-1f3fd",
    "uc_output": "1f9d3-1f3fd",
    "uc_match": "1f9d3-1f3fd",
    "uc_greedy": "1f9d3-1f3fd",
    "shortnames": [":older_adult_medium_skin_tone:"],
    "category": "people"
  },
  ":older_adult_tone4:": {
    "uc_base": "1f9d3-1f3fe",
    "uc_output": "1f9d3-1f3fe",
    "uc_match": "1f9d3-1f3fe",
    "uc_greedy": "1f9d3-1f3fe",
    "shortnames": [":older_adult_medium_dark_skin_tone:"],
    "category": "people"
  },
  ":older_adult_tone5:": {
    "uc_base": "1f9d3-1f3ff",
    "uc_output": "1f9d3-1f3ff",
    "uc_match": "1f9d3-1f3ff",
    "uc_greedy": "1f9d3-1f3ff",
    "shortnames": [":older_adult_dark_skin_tone:"],
    "category": "people"
  },
  ":older_man_tone1:": {
    "uc_base": "1f474-1f3fb",
    "uc_output": "1f474-1f3fb",
    "uc_match": "1f474-1f3fb",
    "uc_greedy": "1f474-1f3fb",
    "shortnames": [],
    "category": "people"
  },
  ":older_man_tone2:": {
    "uc_base": "1f474-1f3fc",
    "uc_output": "1f474-1f3fc",
    "uc_match": "1f474-1f3fc",
    "uc_greedy": "1f474-1f3fc",
    "shortnames": [],
    "category": "people"
  },
  ":older_man_tone3:": {
    "uc_base": "1f474-1f3fd",
    "uc_output": "1f474-1f3fd",
    "uc_match": "1f474-1f3fd",
    "uc_greedy": "1f474-1f3fd",
    "shortnames": [],
    "category": "people"
  },
  ":older_man_tone4:": {
    "uc_base": "1f474-1f3fe",
    "uc_output": "1f474-1f3fe",
    "uc_match": "1f474-1f3fe",
    "uc_greedy": "1f474-1f3fe",
    "shortnames": [],
    "category": "people"
  },
  ":older_man_tone5:": {
    "uc_base": "1f474-1f3ff",
    "uc_output": "1f474-1f3ff",
    "uc_match": "1f474-1f3ff",
    "uc_greedy": "1f474-1f3ff",
    "shortnames": [],
    "category": "people"
  },
  ":older_woman_tone1:": {
    "uc_base": "1f475-1f3fb",
    "uc_output": "1f475-1f3fb",
    "uc_match": "1f475-1f3fb",
    "uc_greedy": "1f475-1f3fb",
    "shortnames": [":grandma_tone1:"],
    "category": "people"
  },
  ":older_woman_tone2:": {
    "uc_base": "1f475-1f3fc",
    "uc_output": "1f475-1f3fc",
    "uc_match": "1f475-1f3fc",
    "uc_greedy": "1f475-1f3fc",
    "shortnames": [":grandma_tone2:"],
    "category": "people"
  },
  ":older_woman_tone3:": {
    "uc_base": "1f475-1f3fd",
    "uc_output": "1f475-1f3fd",
    "uc_match": "1f475-1f3fd",
    "uc_greedy": "1f475-1f3fd",
    "shortnames": [":grandma_tone3:"],
    "category": "people"
  },
  ":older_woman_tone4:": {
    "uc_base": "1f475-1f3fe",
    "uc_output": "1f475-1f3fe",
    "uc_match": "1f475-1f3fe",
    "uc_greedy": "1f475-1f3fe",
    "shortnames": [":grandma_tone4:"],
    "category": "people"
  },
  ":older_woman_tone5:": {
    "uc_base": "1f475-1f3ff",
    "uc_output": "1f475-1f3ff",
    "uc_match": "1f475-1f3ff",
    "uc_greedy": "1f475-1f3ff",
    "shortnames": [":grandma_tone5:"],
    "category": "people"
  },
  ":open_hands_tone1:": {
    "uc_base": "1f450-1f3fb",
    "uc_output": "1f450-1f3fb",
    "uc_match": "1f450-1f3fb",
    "uc_greedy": "1f450-1f3fb",
    "shortnames": [],
    "category": "people"
  },
  ":open_hands_tone2:": {
    "uc_base": "1f450-1f3fc",
    "uc_output": "1f450-1f3fc",
    "uc_match": "1f450-1f3fc",
    "uc_greedy": "1f450-1f3fc",
    "shortnames": [],
    "category": "people"
  },
  ":open_hands_tone3:": {
    "uc_base": "1f450-1f3fd",
    "uc_output": "1f450-1f3fd",
    "uc_match": "1f450-1f3fd",
    "uc_greedy": "1f450-1f3fd",
    "shortnames": [],
    "category": "people"
  },
  ":open_hands_tone4:": {
    "uc_base": "1f450-1f3fe",
    "uc_output": "1f450-1f3fe",
    "uc_match": "1f450-1f3fe",
    "uc_greedy": "1f450-1f3fe",
    "shortnames": [],
    "category": "people"
  },
  ":open_hands_tone5:": {
    "uc_base": "1f450-1f3ff",
    "uc_output": "1f450-1f3ff",
    "uc_match": "1f450-1f3ff",
    "uc_greedy": "1f450-1f3ff",
    "shortnames": [],
    "category": "people"
  },
  ":palms_up_together_tone1:": {
    "uc_base": "1f932-1f3fb",
    "uc_output": "1f932-1f3fb",
    "uc_match": "1f932-1f3fb",
    "uc_greedy": "1f932-1f3fb",
    "shortnames": [":palms_up_together_light_skin_tone:"],
    "category": "people"
  },
  ":palms_up_together_tone2:": {
    "uc_base": "1f932-1f3fc",
    "uc_output": "1f932-1f3fc",
    "uc_match": "1f932-1f3fc",
    "uc_greedy": "1f932-1f3fc",
    "shortnames": [":palms_up_together_medium_light_skin_tone:"],
    "category": "people"
  },
  ":palms_up_together_tone3:": {
    "uc_base": "1f932-1f3fd",
    "uc_output": "1f932-1f3fd",
    "uc_match": "1f932-1f3fd",
    "uc_greedy": "1f932-1f3fd",
    "shortnames": [":palms_up_together_medium_skin_tone:"],
    "category": "people"
  },
  ":palms_up_together_tone4:": {
    "uc_base": "1f932-1f3fe",
    "uc_output": "1f932-1f3fe",
    "uc_match": "1f932-1f3fe",
    "uc_greedy": "1f932-1f3fe",
    "shortnames": [":palms_up_together_medium_dark_skin_tone:"],
    "category": "people"
  },
  ":palms_up_together_tone5:": {
    "uc_base": "1f932-1f3ff",
    "uc_output": "1f932-1f3ff",
    "uc_match": "1f932-1f3ff",
    "uc_greedy": "1f932-1f3ff",
    "shortnames": [":palms_up_together_dark_skin_tone:"],
    "category": "people"
  },
  ":person_biking_tone1:": {
    "uc_base": "1f6b4-1f3fb",
    "uc_output": "1f6b4-1f3fb",
    "uc_match": "1f6b4-1f3fb",
    "uc_greedy": "1f6b4-1f3fb",
    "shortnames": [":bicyclist_tone1:"],
    "category": "activity"
  },
  ":person_biking_tone2:": {
    "uc_base": "1f6b4-1f3fc",
    "uc_output": "1f6b4-1f3fc",
    "uc_match": "1f6b4-1f3fc",
    "uc_greedy": "1f6b4-1f3fc",
    "shortnames": [":bicyclist_tone2:"],
    "category": "activity"
  },
  ":person_biking_tone3:": {
    "uc_base": "1f6b4-1f3fd",
    "uc_output": "1f6b4-1f3fd",
    "uc_match": "1f6b4-1f3fd",
    "uc_greedy": "1f6b4-1f3fd",
    "shortnames": [":bicyclist_tone3:"],
    "category": "activity"
  },
  ":person_biking_tone4:": {
    "uc_base": "1f6b4-1f3fe",
    "uc_output": "1f6b4-1f3fe",
    "uc_match": "1f6b4-1f3fe",
    "uc_greedy": "1f6b4-1f3fe",
    "shortnames": [":bicyclist_tone4:"],
    "category": "activity"
  },
  ":person_biking_tone5:": {
    "uc_base": "1f6b4-1f3ff",
    "uc_output": "1f6b4-1f3ff",
    "uc_match": "1f6b4-1f3ff",
    "uc_greedy": "1f6b4-1f3ff",
    "shortnames": [":bicyclist_tone5:"],
    "category": "activity"
  },
  ":person_bowing_tone1:": {
    "uc_base": "1f647-1f3fb",
    "uc_output": "1f647-1f3fb",
    "uc_match": "1f647-1f3fb",
    "uc_greedy": "1f647-1f3fb",
    "shortnames": [":bow_tone1:"],
    "category": "people"
  },
  ":person_bowing_tone2:": {
    "uc_base": "1f647-1f3fc",
    "uc_output": "1f647-1f3fc",
    "uc_match": "1f647-1f3fc",
    "uc_greedy": "1f647-1f3fc",
    "shortnames": [":bow_tone2:"],
    "category": "people"
  },
  ":person_bowing_tone3:": {
    "uc_base": "1f647-1f3fd",
    "uc_output": "1f647-1f3fd",
    "uc_match": "1f647-1f3fd",
    "uc_greedy": "1f647-1f3fd",
    "shortnames": [":bow_tone3:"],
    "category": "people"
  },
  ":person_bowing_tone4:": {
    "uc_base": "1f647-1f3fe",
    "uc_output": "1f647-1f3fe",
    "uc_match": "1f647-1f3fe",
    "uc_greedy": "1f647-1f3fe",
    "shortnames": [":bow_tone4:"],
    "category": "people"
  },
  ":person_bowing_tone5:": {
    "uc_base": "1f647-1f3ff",
    "uc_output": "1f647-1f3ff",
    "uc_match": "1f647-1f3ff",
    "uc_greedy": "1f647-1f3ff",
    "shortnames": [":bow_tone5:"],
    "category": "people"
  },
  ":person_climbing_tone1:": {
    "uc_base": "1f9d7-1f3fb",
    "uc_output": "1f9d7-1f3fb",
    "uc_match": "1f9d7-1f3fb",
    "uc_greedy": "1f9d7-1f3fb",
    "shortnames": [":person_climbing_light_skin_tone:"],
    "category": "activity"
  },
  ":person_climbing_tone2:": {
    "uc_base": "1f9d7-1f3fc",
    "uc_output": "1f9d7-1f3fc",
    "uc_match": "1f9d7-1f3fc",
    "uc_greedy": "1f9d7-1f3fc",
    "shortnames": [":person_climbing_medium_light_skin_tone:"],
    "category": "activity"
  },
  ":person_climbing_tone3:": {
    "uc_base": "1f9d7-1f3fd",
    "uc_output": "1f9d7-1f3fd",
    "uc_match": "1f9d7-1f3fd",
    "uc_greedy": "1f9d7-1f3fd",
    "shortnames": [":person_climbing_medium_skin_tone:"],
    "category": "activity"
  },
  ":person_climbing_tone4:": {
    "uc_base": "1f9d7-1f3fe",
    "uc_output": "1f9d7-1f3fe",
    "uc_match": "1f9d7-1f3fe",
    "uc_greedy": "1f9d7-1f3fe",
    "shortnames": [":person_climbing_medium_dark_skin_tone:"],
    "category": "activity"
  },
  ":person_climbing_tone5:": {
    "uc_base": "1f9d7-1f3ff",
    "uc_output": "1f9d7-1f3ff",
    "uc_match": "1f9d7-1f3ff",
    "uc_greedy": "1f9d7-1f3ff",
    "shortnames": [":person_climbing_dark_skin_tone:"],
    "category": "activity"
  },
  ":person_doing_cartwheel_tone1:": {
    "uc_base": "1f938-1f3fb",
    "uc_output": "1f938-1f3fb",
    "uc_match": "1f938-1f3fb",
    "uc_greedy": "1f938-1f3fb",
    "shortnames": [":cartwheel_tone1:"],
    "category": "activity"
  },
  ":person_doing_cartwheel_tone2:": {
    "uc_base": "1f938-1f3fc",
    "uc_output": "1f938-1f3fc",
    "uc_match": "1f938-1f3fc",
    "uc_greedy": "1f938-1f3fc",
    "shortnames": [":cartwheel_tone2:"],
    "category": "activity"
  },
  ":person_doing_cartwheel_tone3:": {
    "uc_base": "1f938-1f3fd",
    "uc_output": "1f938-1f3fd",
    "uc_match": "1f938-1f3fd",
    "uc_greedy": "1f938-1f3fd",
    "shortnames": [":cartwheel_tone3:"],
    "category": "activity"
  },
  ":person_doing_cartwheel_tone4:": {
    "uc_base": "1f938-1f3fe",
    "uc_output": "1f938-1f3fe",
    "uc_match": "1f938-1f3fe",
    "uc_greedy": "1f938-1f3fe",
    "shortnames": [":cartwheel_tone4:"],
    "category": "activity"
  },
  ":person_doing_cartwheel_tone5:": {
    "uc_base": "1f938-1f3ff",
    "uc_output": "1f938-1f3ff",
    "uc_match": "1f938-1f3ff",
    "uc_greedy": "1f938-1f3ff",
    "shortnames": [":cartwheel_tone5:"],
    "category": "activity"
  },
  ":person_facepalming_tone1:": {
    "uc_base": "1f926-1f3fb",
    "uc_output": "1f926-1f3fb",
    "uc_match": "1f926-1f3fb",
    "uc_greedy": "1f926-1f3fb",
    "shortnames": [":face_palm_tone1:", ":facepalm_tone1:"],
    "category": "people"
  },
  ":person_facepalming_tone2:": {
    "uc_base": "1f926-1f3fc",
    "uc_output": "1f926-1f3fc",
    "uc_match": "1f926-1f3fc",
    "uc_greedy": "1f926-1f3fc",
    "shortnames": [":face_palm_tone2:", ":facepalm_tone2:"],
    "category": "people"
  },
  ":person_facepalming_tone3:": {
    "uc_base": "1f926-1f3fd",
    "uc_output": "1f926-1f3fd",
    "uc_match": "1f926-1f3fd",
    "uc_greedy": "1f926-1f3fd",
    "shortnames": [":face_palm_tone3:", ":facepalm_tone3:"],
    "category": "people"
  },
  ":person_facepalming_tone4:": {
    "uc_base": "1f926-1f3fe",
    "uc_output": "1f926-1f3fe",
    "uc_match": "1f926-1f3fe",
    "uc_greedy": "1f926-1f3fe",
    "shortnames": [":face_palm_tone4:", ":facepalm_tone4:"],
    "category": "people"
  },
  ":person_facepalming_tone5:": {
    "uc_base": "1f926-1f3ff",
    "uc_output": "1f926-1f3ff",
    "uc_match": "1f926-1f3ff",
    "uc_greedy": "1f926-1f3ff",
    "shortnames": [":face_palm_tone5:", ":facepalm_tone5:"],
    "category": "people"
  },
  ":person_frowning_tone1:": {
    "uc_base": "1f64d-1f3fb",
    "uc_output": "1f64d-1f3fb",
    "uc_match": "1f64d-1f3fb",
    "uc_greedy": "1f64d-1f3fb",
    "shortnames": [],
    "category": "people"
  },
  ":person_frowning_tone2:": {
    "uc_base": "1f64d-1f3fc",
    "uc_output": "1f64d-1f3fc",
    "uc_match": "1f64d-1f3fc",
    "uc_greedy": "1f64d-1f3fc",
    "shortnames": [],
    "category": "people"
  },
  ":person_frowning_tone3:": {
    "uc_base": "1f64d-1f3fd",
    "uc_output": "1f64d-1f3fd",
    "uc_match": "1f64d-1f3fd",
    "uc_greedy": "1f64d-1f3fd",
    "shortnames": [],
    "category": "people"
  },
  ":person_frowning_tone4:": {
    "uc_base": "1f64d-1f3fe",
    "uc_output": "1f64d-1f3fe",
    "uc_match": "1f64d-1f3fe",
    "uc_greedy": "1f64d-1f3fe",
    "shortnames": [],
    "category": "people"
  },
  ":person_frowning_tone5:": {
    "uc_base": "1f64d-1f3ff",
    "uc_output": "1f64d-1f3ff",
    "uc_match": "1f64d-1f3ff",
    "uc_greedy": "1f64d-1f3ff",
    "shortnames": [],
    "category": "people"
  },
  ":person_gesturing_no_tone1:": {
    "uc_base": "1f645-1f3fb",
    "uc_output": "1f645-1f3fb",
    "uc_match": "1f645-1f3fb",
    "uc_greedy": "1f645-1f3fb",
    "shortnames": [":no_good_tone1:"],
    "category": "people"
  },
  ":person_gesturing_no_tone2:": {
    "uc_base": "1f645-1f3fc",
    "uc_output": "1f645-1f3fc",
    "uc_match": "1f645-1f3fc",
    "uc_greedy": "1f645-1f3fc",
    "shortnames": [":no_good_tone2:"],
    "category": "people"
  },
  ":person_gesturing_no_tone3:": {
    "uc_base": "1f645-1f3fd",
    "uc_output": "1f645-1f3fd",
    "uc_match": "1f645-1f3fd",
    "uc_greedy": "1f645-1f3fd",
    "shortnames": [":no_good_tone3:"],
    "category": "people"
  },
  ":person_gesturing_no_tone4:": {
    "uc_base": "1f645-1f3fe",
    "uc_output": "1f645-1f3fe",
    "uc_match": "1f645-1f3fe",
    "uc_greedy": "1f645-1f3fe",
    "shortnames": [":no_good_tone4:"],
    "category": "people"
  },
  ":person_gesturing_no_tone5:": {
    "uc_base": "1f645-1f3ff",
    "uc_output": "1f645-1f3ff",
    "uc_match": "1f645-1f3ff",
    "uc_greedy": "1f645-1f3ff",
    "shortnames": [":no_good_tone5:"],
    "category": "people"
  },
  ":person_gesturing_ok_tone1:": {
    "uc_base": "1f646-1f3fb",
    "uc_output": "1f646-1f3fb",
    "uc_match": "1f646-1f3fb",
    "uc_greedy": "1f646-1f3fb",
    "shortnames": [":ok_woman_tone1:"],
    "category": "people"
  },
  ":person_gesturing_ok_tone2:": {
    "uc_base": "1f646-1f3fc",
    "uc_output": "1f646-1f3fc",
    "uc_match": "1f646-1f3fc",
    "uc_greedy": "1f646-1f3fc",
    "shortnames": [":ok_woman_tone2:"],
    "category": "people"
  },
  ":person_gesturing_ok_tone3:": {
    "uc_base": "1f646-1f3fd",
    "uc_output": "1f646-1f3fd",
    "uc_match": "1f646-1f3fd",
    "uc_greedy": "1f646-1f3fd",
    "shortnames": [":ok_woman_tone3:"],
    "category": "people"
  },
  ":person_gesturing_ok_tone4:": {
    "uc_base": "1f646-1f3fe",
    "uc_output": "1f646-1f3fe",
    "uc_match": "1f646-1f3fe",
    "uc_greedy": "1f646-1f3fe",
    "shortnames": [":ok_woman_tone4:"],
    "category": "people"
  },
  ":person_gesturing_ok_tone5:": {
    "uc_base": "1f646-1f3ff",
    "uc_output": "1f646-1f3ff",
    "uc_match": "1f646-1f3ff",
    "uc_greedy": "1f646-1f3ff",
    "shortnames": [":ok_woman_tone5:"],
    "category": "people"
  },
  ":person_getting_haircut_tone1:": {
    "uc_base": "1f487-1f3fb",
    "uc_output": "1f487-1f3fb",
    "uc_match": "1f487-1f3fb",
    "uc_greedy": "1f487-1f3fb",
    "shortnames": [":haircut_tone1:"],
    "category": "people"
  },
  ":person_getting_haircut_tone2:": {
    "uc_base": "1f487-1f3fc",
    "uc_output": "1f487-1f3fc",
    "uc_match": "1f487-1f3fc",
    "uc_greedy": "1f487-1f3fc",
    "shortnames": [":haircut_tone2:"],
    "category": "people"
  },
  ":person_getting_haircut_tone3:": {
    "uc_base": "1f487-1f3fd",
    "uc_output": "1f487-1f3fd",
    "uc_match": "1f487-1f3fd",
    "uc_greedy": "1f487-1f3fd",
    "shortnames": [":haircut_tone3:"],
    "category": "people"
  },
  ":person_getting_haircut_tone4:": {
    "uc_base": "1f487-1f3fe",
    "uc_output": "1f487-1f3fe",
    "uc_match": "1f487-1f3fe",
    "uc_greedy": "1f487-1f3fe",
    "shortnames": [":haircut_tone4:"],
    "category": "people"
  },
  ":person_getting_haircut_tone5:": {
    "uc_base": "1f487-1f3ff",
    "uc_output": "1f487-1f3ff",
    "uc_match": "1f487-1f3ff",
    "uc_greedy": "1f487-1f3ff",
    "shortnames": [":haircut_tone5:"],
    "category": "people"
  },
  ":person_getting_massage_tone1:": {
    "uc_base": "1f486-1f3fb",
    "uc_output": "1f486-1f3fb",
    "uc_match": "1f486-1f3fb",
    "uc_greedy": "1f486-1f3fb",
    "shortnames": [":massage_tone1:"],
    "category": "people"
  },
  ":person_getting_massage_tone2:": {
    "uc_base": "1f486-1f3fc",
    "uc_output": "1f486-1f3fc",
    "uc_match": "1f486-1f3fc",
    "uc_greedy": "1f486-1f3fc",
    "shortnames": [":massage_tone2:"],
    "category": "people"
  },
  ":person_getting_massage_tone3:": {
    "uc_base": "1f486-1f3fd",
    "uc_output": "1f486-1f3fd",
    "uc_match": "1f486-1f3fd",
    "uc_greedy": "1f486-1f3fd",
    "shortnames": [":massage_tone3:"],
    "category": "people"
  },
  ":person_getting_massage_tone4:": {
    "uc_base": "1f486-1f3fe",
    "uc_output": "1f486-1f3fe",
    "uc_match": "1f486-1f3fe",
    "uc_greedy": "1f486-1f3fe",
    "shortnames": [":massage_tone4:"],
    "category": "people"
  },
  ":person_getting_massage_tone5:": {
    "uc_base": "1f486-1f3ff",
    "uc_output": "1f486-1f3ff",
    "uc_match": "1f486-1f3ff",
    "uc_greedy": "1f486-1f3ff",
    "shortnames": [":massage_tone5:"],
    "category": "people"
  },
  ":person_golfing_tone1:": {
    "uc_base": "1f3cc-1f3fb",
    "uc_output": "1f3cc-1f3fb",
    "uc_match": "1f3cc-fe0f-1f3fb",
    "uc_greedy": "1f3cc-fe0f-1f3fb",
    "shortnames": [":person_golfing_light_skin_tone:"],
    "category": "activity"
  },
  ":person_golfing_tone2:": {
    "uc_base": "1f3cc-1f3fc",
    "uc_output": "1f3cc-1f3fc",
    "uc_match": "1f3cc-fe0f-1f3fc",
    "uc_greedy": "1f3cc-fe0f-1f3fc",
    "shortnames": [":person_golfing_medium_light_skin_tone:"],
    "category": "activity"
  },
  ":person_golfing_tone3:": {
    "uc_base": "1f3cc-1f3fd",
    "uc_output": "1f3cc-1f3fd",
    "uc_match": "1f3cc-fe0f-1f3fd",
    "uc_greedy": "1f3cc-fe0f-1f3fd",
    "shortnames": [":person_golfing_medium_skin_tone:"],
    "category": "activity"
  },
  ":person_golfing_tone4:": {
    "uc_base": "1f3cc-1f3fe",
    "uc_output": "1f3cc-1f3fe",
    "uc_match": "1f3cc-fe0f-1f3fe",
    "uc_greedy": "1f3cc-fe0f-1f3fe",
    "shortnames": [":person_golfing_medium_dark_skin_tone:"],
    "category": "activity"
  },
  ":person_golfing_tone5:": {
    "uc_base": "1f3cc-1f3ff",
    "uc_output": "1f3cc-1f3ff",
    "uc_match": "1f3cc-fe0f-1f3ff",
    "uc_greedy": "1f3cc-fe0f-1f3ff",
    "shortnames": [":person_golfing_dark_skin_tone:"],
    "category": "activity"
  },
  ":person_in_bed_tone1:": {
    "uc_base": "1f6cc-1f3fb",
    "uc_output": "1f6cc-1f3fb",
    "uc_match": "1f6cc-1f3fb",
    "uc_greedy": "1f6cc-1f3fb",
    "shortnames": [":person_in_bed_light_skin_tone:"],
    "category": "objects"
  },
  ":person_in_bed_tone2:": {
    "uc_base": "1f6cc-1f3fc",
    "uc_output": "1f6cc-1f3fc",
    "uc_match": "1f6cc-1f3fc",
    "uc_greedy": "1f6cc-1f3fc",
    "shortnames": [":person_in_bed_medium_light_skin_tone:"],
    "category": "objects"
  },
  ":person_in_bed_tone3:": {
    "uc_base": "1f6cc-1f3fd",
    "uc_output": "1f6cc-1f3fd",
    "uc_match": "1f6cc-1f3fd",
    "uc_greedy": "1f6cc-1f3fd",
    "shortnames": [":person_in_bed_medium_skin_tone:"],
    "category": "objects"
  },
  ":person_in_bed_tone4:": {
    "uc_base": "1f6cc-1f3fe",
    "uc_output": "1f6cc-1f3fe",
    "uc_match": "1f6cc-1f3fe",
    "uc_greedy": "1f6cc-1f3fe",
    "shortnames": [":person_in_bed_medium_dark_skin_tone:"],
    "category": "objects"
  },
  ":person_in_bed_tone5:": {
    "uc_base": "1f6cc-1f3ff",
    "uc_output": "1f6cc-1f3ff",
    "uc_match": "1f6cc-1f3ff",
    "uc_greedy": "1f6cc-1f3ff",
    "shortnames": [":person_in_bed_dark_skin_tone:"],
    "category": "objects"
  },
  ":person_in_lotus_position_tone1:": {
    "uc_base": "1f9d8-1f3fb",
    "uc_output": "1f9d8-1f3fb",
    "uc_match": "1f9d8-1f3fb",
    "uc_greedy": "1f9d8-1f3fb",
    "shortnames": [":person_in_lotus_position_light_skin_tone:"],
    "category": "activity"
  },
  ":person_in_lotus_position_tone2:": {
    "uc_base": "1f9d8-1f3fc",
    "uc_output": "1f9d8-1f3fc",
    "uc_match": "1f9d8-1f3fc",
    "uc_greedy": "1f9d8-1f3fc",
    "shortnames": [":person_in_lotus_position_medium_light_skin_tone:"],
    "category": "activity"
  },
  ":person_in_lotus_position_tone3:": {
    "uc_base": "1f9d8-1f3fd",
    "uc_output": "1f9d8-1f3fd",
    "uc_match": "1f9d8-1f3fd",
    "uc_greedy": "1f9d8-1f3fd",
    "shortnames": [":person_in_lotus_position_medium_skin_tone:"],
    "category": "activity"
  },
  ":person_in_lotus_position_tone4:": {
    "uc_base": "1f9d8-1f3fe",
    "uc_output": "1f9d8-1f3fe",
    "uc_match": "1f9d8-1f3fe",
    "uc_greedy": "1f9d8-1f3fe",
    "shortnames": [":person_in_lotus_position_medium_dark_skin_tone:"],
    "category": "activity"
  },
  ":person_in_lotus_position_tone5:": {
    "uc_base": "1f9d8-1f3ff",
    "uc_output": "1f9d8-1f3ff",
    "uc_match": "1f9d8-1f3ff",
    "uc_greedy": "1f9d8-1f3ff",
    "shortnames": [":person_in_lotus_position_dark_skin_tone:"],
    "category": "activity"
  },
  ":person_in_steamy_room_tone1:": {
    "uc_base": "1f9d6-1f3fb",
    "uc_output": "1f9d6-1f3fb",
    "uc_match": "1f9d6-1f3fb",
    "uc_greedy": "1f9d6-1f3fb",
    "shortnames": [":person_in_steamy_room_light_skin_tone:"],
    "category": "people"
  },
  ":person_in_steamy_room_tone2:": {
    "uc_base": "1f9d6-1f3fc",
    "uc_output": "1f9d6-1f3fc",
    "uc_match": "1f9d6-1f3fc",
    "uc_greedy": "1f9d6-1f3fc",
    "shortnames": [":person_in_steamy_room_medium_light_skin_tone:"],
    "category": "people"
  },
  ":person_in_steamy_room_tone3:": {
    "uc_base": "1f9d6-1f3fd",
    "uc_output": "1f9d6-1f3fd",
    "uc_match": "1f9d6-1f3fd",
    "uc_greedy": "1f9d6-1f3fd",
    "shortnames": [":person_in_steamy_room_medium_skin_tone:"],
    "category": "people"
  },
  ":person_in_steamy_room_tone4:": {
    "uc_base": "1f9d6-1f3fe",
    "uc_output": "1f9d6-1f3fe",
    "uc_match": "1f9d6-1f3fe",
    "uc_greedy": "1f9d6-1f3fe",
    "shortnames": [":person_in_steamy_room_medium_dark_skin_tone:"],
    "category": "people"
  },
  ":person_in_steamy_room_tone5:": {
    "uc_base": "1f9d6-1f3ff",
    "uc_output": "1f9d6-1f3ff",
    "uc_match": "1f9d6-1f3ff",
    "uc_greedy": "1f9d6-1f3ff",
    "shortnames": [":person_in_steamy_room_dark_skin_tone:"],
    "category": "people"
  },
  ":person_juggling_tone1:": {
    "uc_base": "1f939-1f3fb",
    "uc_output": "1f939-1f3fb",
    "uc_match": "1f939-1f3fb",
    "uc_greedy": "1f939-1f3fb",
    "shortnames": [":juggling_tone1:", ":juggler_tone1:"],
    "category": "activity"
  },
  ":person_juggling_tone2:": {
    "uc_base": "1f939-1f3fc",
    "uc_output": "1f939-1f3fc",
    "uc_match": "1f939-1f3fc",
    "uc_greedy": "1f939-1f3fc",
    "shortnames": [":juggling_tone2:", ":juggler_tone2:"],
    "category": "activity"
  },
  ":person_juggling_tone3:": {
    "uc_base": "1f939-1f3fd",
    "uc_output": "1f939-1f3fd",
    "uc_match": "1f939-1f3fd",
    "uc_greedy": "1f939-1f3fd",
    "shortnames": [":juggling_tone3:", ":juggler_tone3:"],
    "category": "activity"
  },
  ":person_juggling_tone4:": {
    "uc_base": "1f939-1f3fe",
    "uc_output": "1f939-1f3fe",
    "uc_match": "1f939-1f3fe",
    "uc_greedy": "1f939-1f3fe",
    "shortnames": [":juggling_tone4:", ":juggler_tone4:"],
    "category": "activity"
  },
  ":person_juggling_tone5:": {
    "uc_base": "1f939-1f3ff",
    "uc_output": "1f939-1f3ff",
    "uc_match": "1f939-1f3ff",
    "uc_greedy": "1f939-1f3ff",
    "shortnames": [":juggling_tone5:", ":juggler_tone5:"],
    "category": "activity"
  },
  ":person_lifting_weights_tone1:": {
    "uc_base": "1f3cb-1f3fb",
    "uc_output": "1f3cb-1f3fb",
    "uc_match": "1f3cb-fe0f-1f3fb",
    "uc_greedy": "1f3cb-fe0f-1f3fb",
    "shortnames": [":lifter_tone1:", ":weight_lifter_tone1:"],
    "category": "activity"
  },
  ":person_lifting_weights_tone2:": {
    "uc_base": "1f3cb-1f3fc",
    "uc_output": "1f3cb-1f3fc",
    "uc_match": "1f3cb-fe0f-1f3fc",
    "uc_greedy": "1f3cb-fe0f-1f3fc",
    "shortnames": [":lifter_tone2:", ":weight_lifter_tone2:"],
    "category": "activity"
  },
  ":person_lifting_weights_tone3:": {
    "uc_base": "1f3cb-1f3fd",
    "uc_output": "1f3cb-1f3fd",
    "uc_match": "1f3cb-fe0f-1f3fd",
    "uc_greedy": "1f3cb-fe0f-1f3fd",
    "shortnames": [":lifter_tone3:", ":weight_lifter_tone3:"],
    "category": "activity"
  },
  ":person_lifting_weights_tone4:": {
    "uc_base": "1f3cb-1f3fe",
    "uc_output": "1f3cb-1f3fe",
    "uc_match": "1f3cb-fe0f-1f3fe",
    "uc_greedy": "1f3cb-fe0f-1f3fe",
    "shortnames": [":lifter_tone4:", ":weight_lifter_tone4:"],
    "category": "activity"
  },
  ":person_lifting_weights_tone5:": {
    "uc_base": "1f3cb-1f3ff",
    "uc_output": "1f3cb-1f3ff",
    "uc_match": "1f3cb-fe0f-1f3ff",
    "uc_greedy": "1f3cb-fe0f-1f3ff",
    "shortnames": [":lifter_tone5:", ":weight_lifter_tone5:"],
    "category": "activity"
  },
  ":person_mountain_biking_tone1:": {
    "uc_base": "1f6b5-1f3fb",
    "uc_output": "1f6b5-1f3fb",
    "uc_match": "1f6b5-1f3fb",
    "uc_greedy": "1f6b5-1f3fb",
    "shortnames": [":mountain_bicyclist_tone1:"],
    "category": "activity"
  },
  ":person_mountain_biking_tone2:": {
    "uc_base": "1f6b5-1f3fc",
    "uc_output": "1f6b5-1f3fc",
    "uc_match": "1f6b5-1f3fc",
    "uc_greedy": "1f6b5-1f3fc",
    "shortnames": [":mountain_bicyclist_tone2:"],
    "category": "activity"
  },
  ":person_mountain_biking_tone3:": {
    "uc_base": "1f6b5-1f3fd",
    "uc_output": "1f6b5-1f3fd",
    "uc_match": "1f6b5-1f3fd",
    "uc_greedy": "1f6b5-1f3fd",
    "shortnames": [":mountain_bicyclist_tone3:"],
    "category": "activity"
  },
  ":person_mountain_biking_tone4:": {
    "uc_base": "1f6b5-1f3fe",
    "uc_output": "1f6b5-1f3fe",
    "uc_match": "1f6b5-1f3fe",
    "uc_greedy": "1f6b5-1f3fe",
    "shortnames": [":mountain_bicyclist_tone4:"],
    "category": "activity"
  },
  ":person_mountain_biking_tone5:": {
    "uc_base": "1f6b5-1f3ff",
    "uc_output": "1f6b5-1f3ff",
    "uc_match": "1f6b5-1f3ff",
    "uc_greedy": "1f6b5-1f3ff",
    "shortnames": [":mountain_bicyclist_tone5:"],
    "category": "activity"
  },
  ":person_playing_handball_tone1:": {
    "uc_base": "1f93e-1f3fb",
    "uc_output": "1f93e-1f3fb",
    "uc_match": "1f93e-1f3fb",
    "uc_greedy": "1f93e-1f3fb",
    "shortnames": [":handball_tone1:"],
    "category": "activity"
  },
  ":person_playing_handball_tone2:": {
    "uc_base": "1f93e-1f3fc",
    "uc_output": "1f93e-1f3fc",
    "uc_match": "1f93e-1f3fc",
    "uc_greedy": "1f93e-1f3fc",
    "shortnames": [":handball_tone2:"],
    "category": "activity"
  },
  ":person_playing_handball_tone3:": {
    "uc_base": "1f93e-1f3fd",
    "uc_output": "1f93e-1f3fd",
    "uc_match": "1f93e-1f3fd",
    "uc_greedy": "1f93e-1f3fd",
    "shortnames": [":handball_tone3:"],
    "category": "activity"
  },
  ":person_playing_handball_tone4:": {
    "uc_base": "1f93e-1f3fe",
    "uc_output": "1f93e-1f3fe",
    "uc_match": "1f93e-1f3fe",
    "uc_greedy": "1f93e-1f3fe",
    "shortnames": [":handball_tone4:"],
    "category": "activity"
  },
  ":person_playing_handball_tone5:": {
    "uc_base": "1f93e-1f3ff",
    "uc_output": "1f93e-1f3ff",
    "uc_match": "1f93e-1f3ff",
    "uc_greedy": "1f93e-1f3ff",
    "shortnames": [":handball_tone5:"],
    "category": "activity"
  },
  ":person_playing_water_polo_tone1:": {
    "uc_base": "1f93d-1f3fb",
    "uc_output": "1f93d-1f3fb",
    "uc_match": "1f93d-1f3fb",
    "uc_greedy": "1f93d-1f3fb",
    "shortnames": [":water_polo_tone1:"],
    "category": "activity"
  },
  ":person_playing_water_polo_tone2:": {
    "uc_base": "1f93d-1f3fc",
    "uc_output": "1f93d-1f3fc",
    "uc_match": "1f93d-1f3fc",
    "uc_greedy": "1f93d-1f3fc",
    "shortnames": [":water_polo_tone2:"],
    "category": "activity"
  },
  ":person_playing_water_polo_tone3:": {
    "uc_base": "1f93d-1f3fd",
    "uc_output": "1f93d-1f3fd",
    "uc_match": "1f93d-1f3fd",
    "uc_greedy": "1f93d-1f3fd",
    "shortnames": [":water_polo_tone3:"],
    "category": "activity"
  },
  ":person_playing_water_polo_tone4:": {
    "uc_base": "1f93d-1f3fe",
    "uc_output": "1f93d-1f3fe",
    "uc_match": "1f93d-1f3fe",
    "uc_greedy": "1f93d-1f3fe",
    "shortnames": [":water_polo_tone4:"],
    "category": "activity"
  },
  ":person_playing_water_polo_tone5:": {
    "uc_base": "1f93d-1f3ff",
    "uc_output": "1f93d-1f3ff",
    "uc_match": "1f93d-1f3ff",
    "uc_greedy": "1f93d-1f3ff",
    "shortnames": [":water_polo_tone5:"],
    "category": "activity"
  },
  ":person_pouting_tone1:": {
    "uc_base": "1f64e-1f3fb",
    "uc_output": "1f64e-1f3fb",
    "uc_match": "1f64e-1f3fb",
    "uc_greedy": "1f64e-1f3fb",
    "shortnames": [":person_with_pouting_face_tone1:"],
    "category": "people"
  },
  ":person_pouting_tone2:": {
    "uc_base": "1f64e-1f3fc",
    "uc_output": "1f64e-1f3fc",
    "uc_match": "1f64e-1f3fc",
    "uc_greedy": "1f64e-1f3fc",
    "shortnames": [":person_with_pouting_face_tone2:"],
    "category": "people"
  },
  ":person_pouting_tone3:": {
    "uc_base": "1f64e-1f3fd",
    "uc_output": "1f64e-1f3fd",
    "uc_match": "1f64e-1f3fd",
    "uc_greedy": "1f64e-1f3fd",
    "shortnames": [":person_with_pouting_face_tone3:"],
    "category": "people"
  },
  ":person_pouting_tone4:": {
    "uc_base": "1f64e-1f3fe",
    "uc_output": "1f64e-1f3fe",
    "uc_match": "1f64e-1f3fe",
    "uc_greedy": "1f64e-1f3fe",
    "shortnames": [":person_with_pouting_face_tone4:"],
    "category": "people"
  },
  ":person_pouting_tone5:": {
    "uc_base": "1f64e-1f3ff",
    "uc_output": "1f64e-1f3ff",
    "uc_match": "1f64e-1f3ff",
    "uc_greedy": "1f64e-1f3ff",
    "shortnames": [":person_with_pouting_face_tone5:"],
    "category": "people"
  },
  ":person_raising_hand_tone1:": {
    "uc_base": "1f64b-1f3fb",
    "uc_output": "1f64b-1f3fb",
    "uc_match": "1f64b-1f3fb",
    "uc_greedy": "1f64b-1f3fb",
    "shortnames": [":raising_hand_tone1:"],
    "category": "people"
  },
  ":person_raising_hand_tone2:": {
    "uc_base": "1f64b-1f3fc",
    "uc_output": "1f64b-1f3fc",
    "uc_match": "1f64b-1f3fc",
    "uc_greedy": "1f64b-1f3fc",
    "shortnames": [":raising_hand_tone2:"],
    "category": "people"
  },
  ":person_raising_hand_tone3:": {
    "uc_base": "1f64b-1f3fd",
    "uc_output": "1f64b-1f3fd",
    "uc_match": "1f64b-1f3fd",
    "uc_greedy": "1f64b-1f3fd",
    "shortnames": [":raising_hand_tone3:"],
    "category": "people"
  },
  ":person_raising_hand_tone4:": {
    "uc_base": "1f64b-1f3fe",
    "uc_output": "1f64b-1f3fe",
    "uc_match": "1f64b-1f3fe",
    "uc_greedy": "1f64b-1f3fe",
    "shortnames": [":raising_hand_tone4:"],
    "category": "people"
  },
  ":person_raising_hand_tone5:": {
    "uc_base": "1f64b-1f3ff",
    "uc_output": "1f64b-1f3ff",
    "uc_match": "1f64b-1f3ff",
    "uc_greedy": "1f64b-1f3ff",
    "shortnames": [":raising_hand_tone5:"],
    "category": "people"
  },
  ":person_rowing_boat_tone1:": {
    "uc_base": "1f6a3-1f3fb",
    "uc_output": "1f6a3-1f3fb",
    "uc_match": "1f6a3-1f3fb",
    "uc_greedy": "1f6a3-1f3fb",
    "shortnames": [":rowboat_tone1:"],
    "category": "activity"
  },
  ":person_rowing_boat_tone2:": {
    "uc_base": "1f6a3-1f3fc",
    "uc_output": "1f6a3-1f3fc",
    "uc_match": "1f6a3-1f3fc",
    "uc_greedy": "1f6a3-1f3fc",
    "shortnames": [":rowboat_tone2:"],
    "category": "activity"
  },
  ":person_rowing_boat_tone3:": {
    "uc_base": "1f6a3-1f3fd",
    "uc_output": "1f6a3-1f3fd",
    "uc_match": "1f6a3-1f3fd",
    "uc_greedy": "1f6a3-1f3fd",
    "shortnames": [":rowboat_tone3:"],
    "category": "activity"
  },
  ":person_rowing_boat_tone4:": {
    "uc_base": "1f6a3-1f3fe",
    "uc_output": "1f6a3-1f3fe",
    "uc_match": "1f6a3-1f3fe",
    "uc_greedy": "1f6a3-1f3fe",
    "shortnames": [":rowboat_tone4:"],
    "category": "activity"
  },
  ":person_rowing_boat_tone5:": {
    "uc_base": "1f6a3-1f3ff",
    "uc_output": "1f6a3-1f3ff",
    "uc_match": "1f6a3-1f3ff",
    "uc_greedy": "1f6a3-1f3ff",
    "shortnames": [":rowboat_tone5:"],
    "category": "activity"
  },
  ":person_running_tone1:": {
    "uc_base": "1f3c3-1f3fb",
    "uc_output": "1f3c3-1f3fb",
    "uc_match": "1f3c3-1f3fb",
    "uc_greedy": "1f3c3-1f3fb",
    "shortnames": [":runner_tone1:"],
    "category": "people"
  },
  ":person_running_tone2:": {
    "uc_base": "1f3c3-1f3fc",
    "uc_output": "1f3c3-1f3fc",
    "uc_match": "1f3c3-1f3fc",
    "uc_greedy": "1f3c3-1f3fc",
    "shortnames": [":runner_tone2:"],
    "category": "people"
  },
  ":person_running_tone3:": {
    "uc_base": "1f3c3-1f3fd",
    "uc_output": "1f3c3-1f3fd",
    "uc_match": "1f3c3-1f3fd",
    "uc_greedy": "1f3c3-1f3fd",
    "shortnames": [":runner_tone3:"],
    "category": "people"
  },
  ":person_running_tone4:": {
    "uc_base": "1f3c3-1f3fe",
    "uc_output": "1f3c3-1f3fe",
    "uc_match": "1f3c3-1f3fe",
    "uc_greedy": "1f3c3-1f3fe",
    "shortnames": [":runner_tone4:"],
    "category": "people"
  },
  ":person_running_tone5:": {
    "uc_base": "1f3c3-1f3ff",
    "uc_output": "1f3c3-1f3ff",
    "uc_match": "1f3c3-1f3ff",
    "uc_greedy": "1f3c3-1f3ff",
    "shortnames": [":runner_tone5:"],
    "category": "people"
  },
  ":person_shrugging_tone1:": {
    "uc_base": "1f937-1f3fb",
    "uc_output": "1f937-1f3fb",
    "uc_match": "1f937-1f3fb",
    "uc_greedy": "1f937-1f3fb",
    "shortnames": [":shrug_tone1:"],
    "category": "people"
  },
  ":person_shrugging_tone2:": {
    "uc_base": "1f937-1f3fc",
    "uc_output": "1f937-1f3fc",
    "uc_match": "1f937-1f3fc",
    "uc_greedy": "1f937-1f3fc",
    "shortnames": [":shrug_tone2:"],
    "category": "people"
  },
  ":person_shrugging_tone3:": {
    "uc_base": "1f937-1f3fd",
    "uc_output": "1f937-1f3fd",
    "uc_match": "1f937-1f3fd",
    "uc_greedy": "1f937-1f3fd",
    "shortnames": [":shrug_tone3:"],
    "category": "people"
  },
  ":person_shrugging_tone4:": {
    "uc_base": "1f937-1f3fe",
    "uc_output": "1f937-1f3fe",
    "uc_match": "1f937-1f3fe",
    "uc_greedy": "1f937-1f3fe",
    "shortnames": [":shrug_tone4:"],
    "category": "people"
  },
  ":person_shrugging_tone5:": {
    "uc_base": "1f937-1f3ff",
    "uc_output": "1f937-1f3ff",
    "uc_match": "1f937-1f3ff",
    "uc_greedy": "1f937-1f3ff",
    "shortnames": [":shrug_tone5:"],
    "category": "people"
  },
  ":person_surfing_tone1:": {
    "uc_base": "1f3c4-1f3fb",
    "uc_output": "1f3c4-1f3fb",
    "uc_match": "1f3c4-1f3fb",
    "uc_greedy": "1f3c4-1f3fb",
    "shortnames": [":surfer_tone1:"],
    "category": "activity"
  },
  ":person_surfing_tone2:": {
    "uc_base": "1f3c4-1f3fc",
    "uc_output": "1f3c4-1f3fc",
    "uc_match": "1f3c4-1f3fc",
    "uc_greedy": "1f3c4-1f3fc",
    "shortnames": [":surfer_tone2:"],
    "category": "activity"
  },
  ":person_surfing_tone3:": {
    "uc_base": "1f3c4-1f3fd",
    "uc_output": "1f3c4-1f3fd",
    "uc_match": "1f3c4-1f3fd",
    "uc_greedy": "1f3c4-1f3fd",
    "shortnames": [":surfer_tone3:"],
    "category": "activity"
  },
  ":person_surfing_tone4:": {
    "uc_base": "1f3c4-1f3fe",
    "uc_output": "1f3c4-1f3fe",
    "uc_match": "1f3c4-1f3fe",
    "uc_greedy": "1f3c4-1f3fe",
    "shortnames": [":surfer_tone4:"],
    "category": "activity"
  },
  ":person_surfing_tone5:": {
    "uc_base": "1f3c4-1f3ff",
    "uc_output": "1f3c4-1f3ff",
    "uc_match": "1f3c4-1f3ff",
    "uc_greedy": "1f3c4-1f3ff",
    "shortnames": [":surfer_tone5:"],
    "category": "activity"
  },
  ":person_swimming_tone1:": {
    "uc_base": "1f3ca-1f3fb",
    "uc_output": "1f3ca-1f3fb",
    "uc_match": "1f3ca-1f3fb",
    "uc_greedy": "1f3ca-1f3fb",
    "shortnames": [":swimmer_tone1:"],
    "category": "activity"
  },
  ":person_swimming_tone2:": {
    "uc_base": "1f3ca-1f3fc",
    "uc_output": "1f3ca-1f3fc",
    "uc_match": "1f3ca-1f3fc",
    "uc_greedy": "1f3ca-1f3fc",
    "shortnames": [":swimmer_tone2:"],
    "category": "activity"
  },
  ":person_swimming_tone3:": {
    "uc_base": "1f3ca-1f3fd",
    "uc_output": "1f3ca-1f3fd",
    "uc_match": "1f3ca-1f3fd",
    "uc_greedy": "1f3ca-1f3fd",
    "shortnames": [":swimmer_tone3:"],
    "category": "activity"
  },
  ":person_swimming_tone4:": {
    "uc_base": "1f3ca-1f3fe",
    "uc_output": "1f3ca-1f3fe",
    "uc_match": "1f3ca-1f3fe",
    "uc_greedy": "1f3ca-1f3fe",
    "shortnames": [":swimmer_tone4:"],
    "category": "activity"
  },
  ":person_swimming_tone5:": {
    "uc_base": "1f3ca-1f3ff",
    "uc_output": "1f3ca-1f3ff",
    "uc_match": "1f3ca-1f3ff",
    "uc_greedy": "1f3ca-1f3ff",
    "shortnames": [":swimmer_tone5:"],
    "category": "activity"
  },
  ":person_tipping_hand_tone1:": {
    "uc_base": "1f481-1f3fb",
    "uc_output": "1f481-1f3fb",
    "uc_match": "1f481-1f3fb",
    "uc_greedy": "1f481-1f3fb",
    "shortnames": [":information_desk_person_tone1:"],
    "category": "people"
  },
  ":person_tipping_hand_tone2:": {
    "uc_base": "1f481-1f3fc",
    "uc_output": "1f481-1f3fc",
    "uc_match": "1f481-1f3fc",
    "uc_greedy": "1f481-1f3fc",
    "shortnames": [":information_desk_person_tone2:"],
    "category": "people"
  },
  ":person_tipping_hand_tone3:": {
    "uc_base": "1f481-1f3fd",
    "uc_output": "1f481-1f3fd",
    "uc_match": "1f481-1f3fd",
    "uc_greedy": "1f481-1f3fd",
    "shortnames": [":information_desk_person_tone3:"],
    "category": "people"
  },
  ":person_tipping_hand_tone4:": {
    "uc_base": "1f481-1f3fe",
    "uc_output": "1f481-1f3fe",
    "uc_match": "1f481-1f3fe",
    "uc_greedy": "1f481-1f3fe",
    "shortnames": [":information_desk_person_tone4:"],
    "category": "people"
  },
  ":person_tipping_hand_tone5:": {
    "uc_base": "1f481-1f3ff",
    "uc_output": "1f481-1f3ff",
    "uc_match": "1f481-1f3ff",
    "uc_greedy": "1f481-1f3ff",
    "shortnames": [":information_desk_person_tone5:"],
    "category": "people"
  },
  ":person_walking_tone1:": {
    "uc_base": "1f6b6-1f3fb",
    "uc_output": "1f6b6-1f3fb",
    "uc_match": "1f6b6-1f3fb",
    "uc_greedy": "1f6b6-1f3fb",
    "shortnames": [":walking_tone1:"],
    "category": "people"
  },
  ":person_walking_tone2:": {
    "uc_base": "1f6b6-1f3fc",
    "uc_output": "1f6b6-1f3fc",
    "uc_match": "1f6b6-1f3fc",
    "uc_greedy": "1f6b6-1f3fc",
    "shortnames": [":walking_tone2:"],
    "category": "people"
  },
  ":person_walking_tone3:": {
    "uc_base": "1f6b6-1f3fd",
    "uc_output": "1f6b6-1f3fd",
    "uc_match": "1f6b6-1f3fd",
    "uc_greedy": "1f6b6-1f3fd",
    "shortnames": [":walking_tone3:"],
    "category": "people"
  },
  ":person_walking_tone4:": {
    "uc_base": "1f6b6-1f3fe",
    "uc_output": "1f6b6-1f3fe",
    "uc_match": "1f6b6-1f3fe",
    "uc_greedy": "1f6b6-1f3fe",
    "shortnames": [":walking_tone4:"],
    "category": "people"
  },
  ":person_walking_tone5:": {
    "uc_base": "1f6b6-1f3ff",
    "uc_output": "1f6b6-1f3ff",
    "uc_match": "1f6b6-1f3ff",
    "uc_greedy": "1f6b6-1f3ff",
    "shortnames": [":walking_tone5:"],
    "category": "people"
  },
  ":person_wearing_turban_tone1:": {
    "uc_base": "1f473-1f3fb",
    "uc_output": "1f473-1f3fb",
    "uc_match": "1f473-1f3fb",
    "uc_greedy": "1f473-1f3fb",
    "shortnames": [":man_with_turban_tone1:"],
    "category": "people"
  },
  ":person_wearing_turban_tone2:": {
    "uc_base": "1f473-1f3fc",
    "uc_output": "1f473-1f3fc",
    "uc_match": "1f473-1f3fc",
    "uc_greedy": "1f473-1f3fc",
    "shortnames": [":man_with_turban_tone2:"],
    "category": "people"
  },
  ":person_wearing_turban_tone3:": {
    "uc_base": "1f473-1f3fd",
    "uc_output": "1f473-1f3fd",
    "uc_match": "1f473-1f3fd",
    "uc_greedy": "1f473-1f3fd",
    "shortnames": [":man_with_turban_tone3:"],
    "category": "people"
  },
  ":person_wearing_turban_tone4:": {
    "uc_base": "1f473-1f3fe",
    "uc_output": "1f473-1f3fe",
    "uc_match": "1f473-1f3fe",
    "uc_greedy": "1f473-1f3fe",
    "shortnames": [":man_with_turban_tone4:"],
    "category": "people"
  },
  ":person_wearing_turban_tone5:": {
    "uc_base": "1f473-1f3ff",
    "uc_output": "1f473-1f3ff",
    "uc_match": "1f473-1f3ff",
    "uc_greedy": "1f473-1f3ff",
    "shortnames": [":man_with_turban_tone5:"],
    "category": "people"
  },
  ":point_down_tone1:": {
    "uc_base": "1f447-1f3fb",
    "uc_output": "1f447-1f3fb",
    "uc_match": "1f447-1f3fb",
    "uc_greedy": "1f447-1f3fb",
    "shortnames": [],
    "category": "people"
  },
  ":point_down_tone2:": {
    "uc_base": "1f447-1f3fc",
    "uc_output": "1f447-1f3fc",
    "uc_match": "1f447-1f3fc",
    "uc_greedy": "1f447-1f3fc",
    "shortnames": [],
    "category": "people"
  },
  ":point_down_tone3:": {
    "uc_base": "1f447-1f3fd",
    "uc_output": "1f447-1f3fd",
    "uc_match": "1f447-1f3fd",
    "uc_greedy": "1f447-1f3fd",
    "shortnames": [],
    "category": "people"
  },
  ":point_down_tone4:": {
    "uc_base": "1f447-1f3fe",
    "uc_output": "1f447-1f3fe",
    "uc_match": "1f447-1f3fe",
    "uc_greedy": "1f447-1f3fe",
    "shortnames": [],
    "category": "people"
  },
  ":point_down_tone5:": {
    "uc_base": "1f447-1f3ff",
    "uc_output": "1f447-1f3ff",
    "uc_match": "1f447-1f3ff",
    "uc_greedy": "1f447-1f3ff",
    "shortnames": [],
    "category": "people"
  },
  ":point_left_tone1:": {
    "uc_base": "1f448-1f3fb",
    "uc_output": "1f448-1f3fb",
    "uc_match": "1f448-1f3fb",
    "uc_greedy": "1f448-1f3fb",
    "shortnames": [],
    "category": "people"
  },
  ":point_left_tone2:": {
    "uc_base": "1f448-1f3fc",
    "uc_output": "1f448-1f3fc",
    "uc_match": "1f448-1f3fc",
    "uc_greedy": "1f448-1f3fc",
    "shortnames": [],
    "category": "people"
  },
  ":point_left_tone3:": {
    "uc_base": "1f448-1f3fd",
    "uc_output": "1f448-1f3fd",
    "uc_match": "1f448-1f3fd",
    "uc_greedy": "1f448-1f3fd",
    "shortnames": [],
    "category": "people"
  },
  ":point_left_tone4:": {
    "uc_base": "1f448-1f3fe",
    "uc_output": "1f448-1f3fe",
    "uc_match": "1f448-1f3fe",
    "uc_greedy": "1f448-1f3fe",
    "shortnames": [],
    "category": "people"
  },
  ":point_left_tone5:": {
    "uc_base": "1f448-1f3ff",
    "uc_output": "1f448-1f3ff",
    "uc_match": "1f448-1f3ff",
    "uc_greedy": "1f448-1f3ff",
    "shortnames": [],
    "category": "people"
  },
  ":point_right_tone1:": {
    "uc_base": "1f449-1f3fb",
    "uc_output": "1f449-1f3fb",
    "uc_match": "1f449-1f3fb",
    "uc_greedy": "1f449-1f3fb",
    "shortnames": [],
    "category": "people"
  },
  ":point_right_tone2:": {
    "uc_base": "1f449-1f3fc",
    "uc_output": "1f449-1f3fc",
    "uc_match": "1f449-1f3fc",
    "uc_greedy": "1f449-1f3fc",
    "shortnames": [],
    "category": "people"
  },
  ":point_right_tone3:": {
    "uc_base": "1f449-1f3fd",
    "uc_output": "1f449-1f3fd",
    "uc_match": "1f449-1f3fd",
    "uc_greedy": "1f449-1f3fd",
    "shortnames": [],
    "category": "people"
  },
  ":point_right_tone4:": {
    "uc_base": "1f449-1f3fe",
    "uc_output": "1f449-1f3fe",
    "uc_match": "1f449-1f3fe",
    "uc_greedy": "1f449-1f3fe",
    "shortnames": [],
    "category": "people"
  },
  ":point_right_tone5:": {
    "uc_base": "1f449-1f3ff",
    "uc_output": "1f449-1f3ff",
    "uc_match": "1f449-1f3ff",
    "uc_greedy": "1f449-1f3ff",
    "shortnames": [],
    "category": "people"
  },
  ":point_up_2_tone1:": {
    "uc_base": "1f446-1f3fb",
    "uc_output": "1f446-1f3fb",
    "uc_match": "1f446-1f3fb",
    "uc_greedy": "1f446-1f3fb",
    "shortnames": [],
    "category": "people"
  },
  ":point_up_2_tone2:": {
    "uc_base": "1f446-1f3fc",
    "uc_output": "1f446-1f3fc",
    "uc_match": "1f446-1f3fc",
    "uc_greedy": "1f446-1f3fc",
    "shortnames": [],
    "category": "people"
  },
  ":point_up_2_tone3:": {
    "uc_base": "1f446-1f3fd",
    "uc_output": "1f446-1f3fd",
    "uc_match": "1f446-1f3fd",
    "uc_greedy": "1f446-1f3fd",
    "shortnames": [],
    "category": "people"
  },
  ":point_up_2_tone4:": {
    "uc_base": "1f446-1f3fe",
    "uc_output": "1f446-1f3fe",
    "uc_match": "1f446-1f3fe",
    "uc_greedy": "1f446-1f3fe",
    "shortnames": [],
    "category": "people"
  },
  ":point_up_2_tone5:": {
    "uc_base": "1f446-1f3ff",
    "uc_output": "1f446-1f3ff",
    "uc_match": "1f446-1f3ff",
    "uc_greedy": "1f446-1f3ff",
    "shortnames": [],
    "category": "people"
  },
  ":police_officer_tone1:": {
    "uc_base": "1f46e-1f3fb",
    "uc_output": "1f46e-1f3fb",
    "uc_match": "1f46e-1f3fb",
    "uc_greedy": "1f46e-1f3fb",
    "shortnames": [":cop_tone1:"],
    "category": "people"
  },
  ":police_officer_tone2:": {
    "uc_base": "1f46e-1f3fc",
    "uc_output": "1f46e-1f3fc",
    "uc_match": "1f46e-1f3fc",
    "uc_greedy": "1f46e-1f3fc",
    "shortnames": [":cop_tone2:"],
    "category": "people"
  },
  ":police_officer_tone3:": {
    "uc_base": "1f46e-1f3fd",
    "uc_output": "1f46e-1f3fd",
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    "uc_greedy": "1f46e-1f3fd",
    "shortnames": [":cop_tone3:"],
    "category": "people"
  },
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    "uc_base": "1f46e-1f3fe",
    "uc_output": "1f46e-1f3fe",
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    "uc_greedy": "1f46e-1f3fe",
    "shortnames": [":cop_tone4:"],
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  },
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    "uc_base": "1f46e-1f3ff",
    "uc_output": "1f46e-1f3ff",
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    "shortnames": [":cop_tone5:"],
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  },
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    "uc_base": "1f64f-1f3fb",
    "uc_output": "1f64f-1f3fb",
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    "uc_greedy": "1f64f-1f3fb",
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    "uc_base": "1f64f-1f3fc",
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    "uc_base": "1f64f-1f3fd",
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    "uc_base": "1f64f-1f3fe",
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    "uc_base": "1f64f-1f3ff",
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  },
  ":pregnant_woman_tone1:": {
    "uc_base": "1f930-1f3fb",
    "uc_output": "1f930-1f3fb",
    "uc_match": "1f930-1f3fb",
    "uc_greedy": "1f930-1f3fb",
    "shortnames": [":expecting_woman_tone1:"],
    "category": "people"
  },
  ":pregnant_woman_tone2:": {
    "uc_base": "1f930-1f3fc",
    "uc_output": "1f930-1f3fc",
    "uc_match": "1f930-1f3fc",
    "uc_greedy": "1f930-1f3fc",
    "shortnames": [":expecting_woman_tone2:"],
    "category": "people"
  },
  ":pregnant_woman_tone3:": {
    "uc_base": "1f930-1f3fd",
    "uc_output": "1f930-1f3fd",
    "uc_match": "1f930-1f3fd",
    "uc_greedy": "1f930-1f3fd",
    "shortnames": [":expecting_woman_tone3:"],
    "category": "people"
  },
  ":pregnant_woman_tone4:": {
    "uc_base": "1f930-1f3fe",
    "uc_output": "1f930-1f3fe",
    "uc_match": "1f930-1f3fe",
    "uc_greedy": "1f930-1f3fe",
    "shortnames": [":expecting_woman_tone4:"],
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  },
  ":pregnant_woman_tone5:": {
    "uc_base": "1f930-1f3ff",
    "uc_output": "1f930-1f3ff",
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    "uc_greedy": "1f930-1f3ff",
    "shortnames": [":expecting_woman_tone5:"],
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  },
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    "uc_base": "1f934-1f3fb",
    "uc_output": "1f934-1f3fb",
    "uc_match": "1f934-1f3fb",
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    "uc_base": "1f934-1f3fc",
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    "uc_base": "1f934-1f3fd",
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    "uc_base": "1f934-1f3fe",
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    "uc_base": "1f934-1f3ff",
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    "uc_base": "1f478-1f3fb",
    "uc_output": "1f478-1f3fb",
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    "uc_greedy": "1f478-1f3fb",
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    "uc_base": "1f478-1f3fc",
    "uc_output": "1f478-1f3fc",
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    "uc_greedy": "1f478-1f3fc",
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    "uc_base": "1f478-1f3fd",
    "uc_output": "1f478-1f3fd",
    "uc_match": "1f478-1f3fd",
    "uc_greedy": "1f478-1f3fd",
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    "uc_base": "1f478-1f3fe",
    "uc_output": "1f478-1f3fe",
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    "uc_base": "1f478-1f3ff",
    "uc_output": "1f478-1f3ff",
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    "uc_output": "1f44a-1f3fb",
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    "uc_output": "1f44a-1f3fc",
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    "uc_base": "1f44a-1f3fd",
    "uc_output": "1f44a-1f3fd",
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    "uc_base": "1f44a-1f3fe",
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    "uc_base": "1f44a-1f3ff",
    "uc_output": "1f44a-1f3ff",
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    "uc_base": "1f91a-1f3fb",
    "uc_output": "1f91a-1f3fb",
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    "uc_greedy": "1f91a-1f3fb",
    "shortnames": [":back_of_hand_tone1:"],
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    "uc_base": "1f91a-1f3fc",
    "uc_output": "1f91a-1f3fc",
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    "uc_base": "1f91a-1f3fd",
    "uc_output": "1f91a-1f3fd",
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    "shortnames": [":back_of_hand_tone3:"],
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    "uc_base": "1f91a-1f3fe",
    "uc_output": "1f91a-1f3fe",
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    "shortnames": [":back_of_hand_tone4:"],
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    "uc_base": "1f91a-1f3ff",
    "uc_output": "1f91a-1f3ff",
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    "shortnames": [":back_of_hand_tone5:"],
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    "uc_base": "1f64c-1f3fb",
    "uc_output": "1f64c-1f3fb",
    "uc_match": "1f64c-1f3fb",
    "uc_greedy": "1f64c-1f3fb",
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    "uc_base": "1f64c-1f3fc",
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    "uc_base": "1f64c-1f3fd",
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    "uc_base": "1f64c-1f3fe",
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    "uc_greedy": "1f64c-1f3fe",
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    "uc_base": "1f64c-1f3ff",
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    "uc_greedy": "1f64c-1f3ff",
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  ":right_facing_fist_tone1:": {
    "uc_base": "1f91c-1f3fb",
    "uc_output": "1f91c-1f3fb",
    "uc_match": "1f91c-1f3fb",
    "uc_greedy": "1f91c-1f3fb",
    "shortnames": [":right_fist_tone1:"],
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    "uc_base": "1f91c-1f3fc",
    "uc_output": "1f91c-1f3fc",
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    "uc_greedy": "1f91c-1f3fc",
    "shortnames": [":right_fist_tone2:"],
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    "uc_base": "1f91c-1f3fd",
    "uc_output": "1f91c-1f3fd",
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    "shortnames": [":right_fist_tone3:"],
    "category": "people"
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  ":right_facing_fist_tone4:": {
    "uc_base": "1f91c-1f3fe",
    "uc_output": "1f91c-1f3fe",
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    "shortnames": [":right_fist_tone4:"],
    "category": "people"
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    "uc_base": "1f91c-1f3ff",
    "uc_output": "1f91c-1f3ff",
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    "shortnames": [":right_fist_tone5:"],
    "category": "people"
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    "uc_base": "1f385-1f3fb",
    "uc_output": "1f385-1f3fb",
    "uc_match": "1f385-1f3fb",
    "uc_greedy": "1f385-1f3fb",
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  ":santa_tone2:": {
    "uc_base": "1f385-1f3fc",
    "uc_output": "1f385-1f3fc",
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    "uc_greedy": "1f385-1f3fc",
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  ":santa_tone3:": {
    "uc_base": "1f385-1f3fd",
    "uc_output": "1f385-1f3fd",
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    "uc_greedy": "1f385-1f3fd",
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    "uc_base": "1f385-1f3fe",
    "uc_output": "1f385-1f3fe",
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  ":santa_tone5:": {
    "uc_base": "1f385-1f3ff",
    "uc_output": "1f385-1f3ff",
    "uc_match": "1f385-1f3ff",
    "uc_greedy": "1f385-1f3ff",
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  ":selfie_tone1:": {
    "uc_base": "1f933-1f3fb",
    "uc_output": "1f933-1f3fb",
    "uc_match": "1f933-1f3fb",
    "uc_greedy": "1f933-1f3fb",
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  ":selfie_tone2:": {
    "uc_base": "1f933-1f3fc",
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  ":selfie_tone3:": {
    "uc_base": "1f933-1f3fd",
    "uc_output": "1f933-1f3fd",
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  ":selfie_tone4:": {
    "uc_base": "1f933-1f3fe",
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  ":selfie_tone5:": {
    "uc_base": "1f933-1f3ff",
    "uc_output": "1f933-1f3ff",
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    "uc_greedy": "1f933-1f3ff",
    "shortnames": [],
    "category": "people"
  },
  ":snowboarder_tone1:": {
    "uc_base": "1f3c2-1f3fb",
    "uc_output": "1f3c2-1f3fb",
    "uc_match": "1f3c2-1f3fb",
    "uc_greedy": "1f3c2-1f3fb",
    "shortnames": [":snowboarder_light_skin_tone:"],
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  ":snowboarder_tone2:": {
    "uc_base": "1f3c2-1f3fc",
    "uc_output": "1f3c2-1f3fc",
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    "uc_greedy": "1f3c2-1f3fc",
    "shortnames": [":snowboarder_medium_light_skin_tone:"],
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  },
  ":snowboarder_tone3:": {
    "uc_base": "1f3c2-1f3fd",
    "uc_output": "1f3c2-1f3fd",
    "uc_match": "1f3c2-1f3fd",
    "uc_greedy": "1f3c2-1f3fd",
    "shortnames": [":snowboarder_medium_skin_tone:"],
    "category": "activity"
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  ":snowboarder_tone4:": {
    "uc_base": "1f3c2-1f3fe",
    "uc_output": "1f3c2-1f3fe",
    "uc_match": "1f3c2-1f3fe",
    "uc_greedy": "1f3c2-1f3fe",
    "shortnames": [":snowboarder_medium_dark_skin_tone:"],
    "category": "activity"
  },
  ":snowboarder_tone5:": {
    "uc_base": "1f3c2-1f3ff",
    "uc_output": "1f3c2-1f3ff",
    "uc_match": "1f3c2-1f3ff",
    "uc_greedy": "1f3c2-1f3ff",
    "shortnames": [":snowboarder_dark_skin_tone:"],
    "category": "activity"
  },
  ":thumbsdown_tone1:": {
    "uc_base": "1f44e-1f3fb",
    "uc_output": "1f44e-1f3fb",
    "uc_match": "1f44e-1f3fb",
    "uc_greedy": "1f44e-1f3fb",
    "shortnames": [":-1_tone1:", ":thumbdown_tone1:"],
    "category": "people"
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  ":thumbsdown_tone2:": {
    "uc_base": "1f44e-1f3fc",
    "uc_output": "1f44e-1f3fc",
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    "uc_greedy": "1f44e-1f3fc",
    "shortnames": [":-1_tone2:", ":thumbdown_tone2:"],
    "category": "people"
  },
  ":thumbsdown_tone3:": {
    "uc_base": "1f44e-1f3fd",
    "uc_output": "1f44e-1f3fd",
    "uc_match": "1f44e-1f3fd",
    "uc_greedy": "1f44e-1f3fd",
    "shortnames": [":-1_tone3:", ":thumbdown_tone3:"],
    "category": "people"
  },
  ":thumbsdown_tone4:": {
    "uc_base": "1f44e-1f3fe",
    "uc_output": "1f44e-1f3fe",
    "uc_match": "1f44e-1f3fe",
    "uc_greedy": "1f44e-1f3fe",
    "shortnames": [":-1_tone4:", ":thumbdown_tone4:"],
    "category": "people"
  },
  ":thumbsdown_tone5:": {
    "uc_base": "1f44e-1f3ff",
    "uc_output": "1f44e-1f3ff",
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    "uc_greedy": "1f44e-1f3ff",
    "shortnames": [":-1_tone5:", ":thumbdown_tone5:"],
    "category": "people"
  },
  ":thumbsup_tone1:": {
    "uc_base": "1f44d-1f3fb",
    "uc_output": "1f44d-1f3fb",
    "uc_match": "1f44d-1f3fb",
    "uc_greedy": "1f44d-1f3fb",
    "shortnames": [":+1_tone1:", ":thumbup_tone1:"],
    "category": "people"
  },
  ":thumbsup_tone2:": {
    "uc_base": "1f44d-1f3fc",
    "uc_output": "1f44d-1f3fc",
    "uc_match": "1f44d-1f3fc",
    "uc_greedy": "1f44d-1f3fc",
    "shortnames": [":+1_tone2:", ":thumbup_tone2:"],
    "category": "people"
  },
  ":thumbsup_tone3:": {
    "uc_base": "1f44d-1f3fd",
    "uc_output": "1f44d-1f3fd",
    "uc_match": "1f44d-1f3fd",
    "uc_greedy": "1f44d-1f3fd",
    "shortnames": [":+1_tone3:", ":thumbup_tone3:"],
    "category": "people"
  },
  ":thumbsup_tone4:": {
    "uc_base": "1f44d-1f3fe",
    "uc_output": "1f44d-1f3fe",
    "uc_match": "1f44d-1f3fe",
    "uc_greedy": "1f44d-1f3fe",
    "shortnames": [":+1_tone4:", ":thumbup_tone4:"],
    "category": "people"
  },
  ":thumbsup_tone5:": {
    "uc_base": "1f44d-1f3ff",
    "uc_output": "1f44d-1f3ff",
    "uc_match": "1f44d-1f3ff",
    "uc_greedy": "1f44d-1f3ff",
    "shortnames": [":+1_tone5:", ":thumbup_tone5:"],
    "category": "people"
  },
  ":united_nations:": {
    "uc_base": "1f1fa-1f1f3",
    "uc_output": "1f1fa-1f1f3",
    "uc_match": "1f1fa-1f1f3",
    "uc_greedy": "1f1fa-1f1f3",
    "shortnames": [],
    "category": "flags"
  },
  ":vampire_tone1:": {
    "uc_base": "1f9db-1f3fb",
    "uc_output": "1f9db-1f3fb",
    "uc_match": "1f9db-1f3fb",
    "uc_greedy": "1f9db-1f3fb",
    "shortnames": [":vampire_light_skin_tone:"],
    "category": "people"
  },
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    "uc_output": "262e",
    "uc_match": "262e-fe0f",
    "uc_greedy": "262e",
    "shortnames": [":peace_symbol:"],
    "category": "symbols"
  },
  ":pencil2:": {
    "uc_base": "270f",
    "uc_output": "270f",
    "uc_match": "270f-fe0f",
    "uc_greedy": "270f-fe0f",
    "shortnames": [],
    "category": "objects"
  },
  ":person_bouncing_ball:": {
    "uc_base": "26f9",
    "uc_output": "26f9",
    "uc_match": "26f9-fe0f",
    "uc_greedy": "26f9-fe0f",
    "shortnames": [":basketball_player:", ":person_with_ball:"],
    "category": "activity"
  },
  ":pick:": {
    "uc_base": "26cf",
    "uc_output": "26cf",
    "uc_match": "26cf-fe0f",
    "uc_greedy": "26cf-fe0f",
    "shortnames": [],
    "category": "objects"
  },
  ":pisces:": {
    "uc_base": "2653",
    "uc_output": "2653",
    "uc_match": "2653-fe0f",
    "uc_greedy": "2653-fe0f",
    "shortnames": [],
    "category": "symbols"
  },
  ":play_pause:": {
    "uc_base": "23ef",
    "uc_output": "23ef",
    "uc_match": "23ef-fe0f",
    "uc_greedy": "23ef",
    "shortnames": [],
    "category": "symbols"
  },
  ":point_up:": {
    "uc_base": "261d",
    "uc_output": "261d",
    "uc_match": "261d-fe0f",
    "uc_greedy": "261d-fe0f",
    "shortnames": [],
    "category": "people"
  },
  ":question:": {
    "uc_base": "2753",
    "uc_output": "2753",
    "uc_match": "2753-fe0f",
    "uc_greedy": "2753-fe0f",
    "shortnames": [],
    "category": "symbols"
  },
  ":radioactive:": {
    "uc_base": "2622",
    "uc_output": "2622",
    "uc_match": "2622-fe0f",
    "uc_greedy": "2622",
    "shortnames": [":radioactive_sign:"],
    "category": "symbols"
  },
  ":raised_hand:": {
    "uc_base": "270b",
    "uc_output": "270b",
    "uc_match": "270b",
    "uc_greedy": "270b",
    "shortnames": [],
    "category": "people"
  },
  ":record_button:": {
    "uc_base": "23fa",
    "uc_output": "23fa",
    "uc_match": "23fa-fe0f",
    "uc_greedy": "23fa",
    "shortnames": [],
    "category": "symbols"
  },
  ":recycle:": {
    "uc_base": "267b",
    "uc_output": "267b",
    "uc_match": "267b-fe0f",
    "uc_greedy": "267b-fe0f",
    "shortnames": [],
    "category": "symbols"
  },
  ":registered:": {
    "uc_base": "00ae",
    "uc_output": "00ae",
    "uc_match": "00ae-fe0f",
    "uc_greedy": "00ae",
    "shortnames": [],
    "category": "symbols"
  },
  ":relaxed:": {
    "uc_base": "263a",
    "uc_output": "263a",
    "uc_match": "263a-fe0f",
    "uc_greedy": "263a-fe0f",
    "shortnames": [],
    "category": "people"
  },
  ":rewind:": {
    "uc_base": "23ea",
    "uc_output": "23ea",
    "uc_match": "23ea-fe0f",
    "uc_greedy": "23ea-fe0f",
    "shortnames": [],
    "category": "symbols"
  },
  ":sagittarius:": {
    "uc_base": "2650",
    "uc_output": "2650",
    "uc_match": "2650-fe0f",
    "uc_greedy": "2650-fe0f",
    "shortnames": [],
    "category": "symbols"
  },
  ":sailboat:": {
    "uc_base": "26f5",
    "uc_output": "26f5",
    "uc_match": "26f5-fe0f",
    "uc_greedy": "26f5-fe0f",
    "shortnames": [],
    "category": "travel"
  },
  ":scales:": {
    "uc_base": "2696",
    "uc_output": "2696",
    "uc_match": "2696-fe0f",
    "uc_greedy": "2696-fe0f",
    "shortnames": [],
    "category": "objects"
  },
  ":scissors:": {
    "uc_base": "2702",
    "uc_output": "2702",
    "uc_match": "2702-fe0f",
    "uc_greedy": "2702-fe0f",
    "shortnames": [],
    "category": "objects"
  },
  ":scorpius:": {
    "uc_base": "264f",
    "uc_output": "264f",
    "uc_match": "264f-fe0f",
    "uc_greedy": "264f-fe0f",
    "shortnames": [],
    "category": "symbols"
  },
  ":secret:": {
    "uc_base": "3299",
    "uc_output": "3299",
    "uc_match": "3299-fe0f",
    "uc_greedy": "3299-fe0f",
    "shortnames": [],
    "category": "symbols"
  },
  ":shamrock:": {
    "uc_base": "2618",
    "uc_output": "2618",
    "uc_match": "2618-fe0f",
    "uc_greedy": "2618-fe0f",
    "shortnames": [],
    "category": "nature"
  },
  ":shinto_shrine:": {
    "uc_base": "26e9",
    "uc_output": "26e9",
    "uc_match": "26e9-fe0f",
    "uc_greedy": "26e9-fe0f",
    "shortnames": [],
    "category": "travel"
  },
  ":skier:": {
    "uc_base": "26f7",
    "uc_output": "26f7",
    "uc_match": "26f7-fe0f",
    "uc_greedy": "26f7-fe0f",
    "shortnames": [],
    "category": "activity"
  },
  ":skull_crossbones:": {
    "uc_base": "2620",
    "uc_output": "2620",
    "uc_match": "2620-fe0f",
    "uc_greedy": "2620-fe0f",
    "shortnames": [":skull_and_crossbones:"],
    "category": "people"
  },
  ":snowflake:": {
    "uc_base": "2744",
    "uc_output": "2744",
    "uc_match": "2744-fe0f",
    "uc_greedy": "2744-fe0f",
    "shortnames": [],
    "category": "nature"
  },
  ":snowman2:": {
    "uc_base": "2603",
    "uc_output": "2603",
    "uc_match": "2603-fe0f",
    "uc_greedy": "2603-fe0f",
    "shortnames": [],
    "category": "nature"
  },
  ":snowman:": {
    "uc_base": "26c4",
    "uc_output": "26c4",
    "uc_match": "26c4-fe0f",
    "uc_greedy": "26c4-fe0f",
    "shortnames": [],
    "category": "nature"
  },
  ":soccer:": {
    "uc_base": "26bd",
    "uc_output": "26bd",
    "uc_match": "26bd-fe0f",
    "uc_greedy": "26bd-fe0f",
    "shortnames": [],
    "category": "activity"
  },
  ":spades:": {
    "uc_base": "2660",
    "uc_output": "2660",
    "uc_match": "2660-fe0f",
    "uc_greedy": "2660-fe0f",
    "shortnames": [],
    "category": "symbols"
  },
  ":sparkle:": {
    "uc_base": "2747",
    "uc_output": "2747",
    "uc_match": "2747-fe0f",
    "uc_greedy": "2747-fe0f",
    "shortnames": [],
    "category": "symbols"
  },
  ":sparkles:": {
    "uc_base": "2728",
    "uc_output": "2728",
    "uc_match": "2728",
    "uc_greedy": "2728",
    "shortnames": [],
    "category": "nature"
  },
  ":star:": {
    "uc_base": "2b50",
    "uc_output": "2b50",
    "uc_match": "2b50-fe0f",
    "uc_greedy": "2b50-fe0f",
    "shortnames": [],
    "category": "nature"
  },
  ":star_and_crescent:": {
    "uc_base": "262a",
    "uc_output": "262a",
    "uc_match": "262a-fe0f",
    "uc_greedy": "262a",
    "shortnames": [],
    "category": "symbols"
  },
  ":star_of_david:": {
    "uc_base": "2721",
    "uc_output": "2721",
    "uc_match": "2721-fe0f",
    "uc_greedy": "2721",
    "shortnames": [],
    "category": "symbols"
  },
  ":stop_button:": {
    "uc_base": "23f9",
    "uc_output": "23f9",
    "uc_match": "23f9-fe0f",
    "uc_greedy": "23f9",
    "shortnames": [],
    "category": "symbols"
  },
  ":stopwatch:": {
    "uc_base": "23f1",
    "uc_output": "23f1",
    "uc_match": "23f1-fe0f",
    "uc_greedy": "23f1-fe0f",
    "shortnames": [],
    "category": "objects"
  },
  ":sunny:": {
    "uc_base": "2600",
    "uc_output": "2600",
    "uc_match": "2600-fe0f",
    "uc_greedy": "2600-fe0f",
    "shortnames": [],
    "category": "nature"
  },
  ":taurus:": {
    "uc_base": "2649",
    "uc_output": "2649",
    "uc_match": "2649-fe0f",
    "uc_greedy": "2649-fe0f",
    "shortnames": [],
    "category": "symbols"
  },
  ":telephone:": {
    "uc_base": "260e",
    "uc_output": "260e",
    "uc_match": "260e-fe0f",
    "uc_greedy": "260e-fe0f",
    "shortnames": [],
    "category": "objects"
  },
  ":tent:": {
    "uc_base": "26fa",
    "uc_output": "26fa",
    "uc_match": "26fa-fe0f",
    "uc_greedy": "26fa-fe0f",
    "shortnames": [],
    "category": "travel"
  },
  ":thunder_cloud_rain:": {
    "uc_base": "26c8",
    "uc_output": "26c8",
    "uc_match": "26c8-fe0f",
    "uc_greedy": "26c8-fe0f",
    "shortnames": [":thunder_cloud_and_rain:"],
    "category": "nature"
  },
  ":timer:": {
    "uc_base": "23f2",
    "uc_output": "23f2",
    "uc_match": "23f2-fe0f",
    "uc_greedy": "23f2-fe0f",
    "shortnames": [":timer_clock:"],
    "category": "objects"
  },
  ":tm:": {
    "uc_base": "2122",
    "uc_output": "2122",
    "uc_match": "2122-fe0f",
    "uc_greedy": "2122",
    "shortnames": [],
    "category": "symbols"
  },
  ":track_next:": {
    "uc_base": "23ed",
    "uc_output": "23ed",
    "uc_match": "23ed-fe0f",
    "uc_greedy": "23ed",
    "shortnames": [":next_track:"],
    "category": "symbols"
  },
  ":track_previous:": {
    "uc_base": "23ee",
    "uc_output": "23ee",
    "uc_match": "23ee-fe0f",
    "uc_greedy": "23ee",
    "shortnames": [":previous_track:"],
    "category": "symbols"
  },
  ":umbrella2:": {
    "uc_base": "2602",
    "uc_output": "2602",
    "uc_match": "2602-fe0f",
    "uc_greedy": "2602-fe0f",
    "shortnames": [],
    "category": "nature"
  },
  ":umbrella:": {
    "uc_base": "2614",
    "uc_output": "2614",
    "uc_match": "2614-fe0f",
    "uc_greedy": "2614-fe0f",
    "shortnames": [],
    "category": "nature"
  },
  ":urn:": {
    "uc_base": "26b1",
    "uc_output": "26b1",
    "uc_match": "26b1-fe0f",
    "uc_greedy": "26b1-fe0f",
    "shortnames": [":funeral_urn:"],
    "category": "objects"
  },
  ":v:": {
    "uc_base": "270c",
    "uc_output": "270c",
    "uc_match": "270c-fe0f",
    "uc_greedy": "270c-fe0f",
    "shortnames": [],
    "category": "people"
  },
  ":virgo:": {
    "uc_base": "264d",
    "uc_output": "264d",
    "uc_match": "264d-fe0f",
    "uc_greedy": "264d-fe0f",
    "shortnames": [],
    "category": "symbols"
  },
  ":warning:": {
    "uc_base": "26a0",
    "uc_output": "26a0",
    "uc_match": "26a0-fe0f",
    "uc_greedy": "26a0",
    "shortnames": [],
    "category": "symbols"
  },
  ":watch:": {
    "uc_base": "231a",
    "uc_output": "231a",
    "uc_match": "231a-fe0f",
    "uc_greedy": "231a-fe0f",
    "shortnames": [],
    "category": "objects"
  },
  ":wavy_dash:": {
    "uc_base": "3030",
    "uc_output": "3030",
    "uc_match": "3030-fe0f",
    "uc_greedy": "3030",
    "shortnames": [],
    "category": "symbols"
  },
  ":wheel_of_dharma:": {
    "uc_base": "2638",
    "uc_output": "2638",
    "uc_match": "2638-fe0f",
    "uc_greedy": "2638",
    "shortnames": [],
    "category": "symbols"
  },
  ":wheelchair:": {
    "uc_base": "267f",
    "uc_output": "267f",
    "uc_match": "267f-fe0f",
    "uc_greedy": "267f-fe0f",
    "shortnames": [],
    "category": "symbols"
  },
  ":white_check_mark:": {
    "uc_base": "2705",
    "uc_output": "2705",
    "uc_match": "2705",
    "uc_greedy": "2705",
    "shortnames": [],
    "category": "symbols"
  },
  ":white_circle:": {
    "uc_base": "26aa",
    "uc_output": "26aa",
    "uc_match": "26aa-fe0f",
    "uc_greedy": "26aa-fe0f",
    "shortnames": [],
    "category": "symbols"
  },
  ":white_large_square:": {
    "uc_base": "2b1c",
    "uc_output": "2b1c",
    "uc_match": "2b1c-fe0f",
    "uc_greedy": "2b1c-fe0f",
    "shortnames": [],
    "category": "symbols"
  },
  ":white_medium_small_square:": {
    "uc_base": "25fd",
    "uc_output": "25fd",
    "uc_match": "25fd-fe0f",
    "uc_greedy": "25fd-fe0f",
    "shortnames": [],
    "category": "symbols"
  },
  ":white_medium_square:": {
    "uc_base": "25fb",
    "uc_output": "25fb",
    "uc_match": "25fb-fe0f",
    "uc_greedy": "25fb",
    "shortnames": [],
    "category": "symbols"
  },
  ":white_small_square:": {
    "uc_base": "25ab",
    "uc_output": "25ab",
    "uc_match": "25ab-fe0f",
    "uc_greedy": "25ab",
    "shortnames": [],
    "category": "symbols"
  },
  ":writing_hand:": {
    "uc_base": "270d",
    "uc_output": "270d",
    "uc_match": "270d-fe0f",
    "uc_greedy": "270d-fe0f",
    "shortnames": [],
    "category": "people"
  },
  ":x:": {
    "uc_base": "274c",
    "uc_output": "274c",
    "uc_match": "274c",
    "uc_greedy": "274c",
    "shortnames": [],
    "category": "symbols"
  },
  ":yin_yang:": {
    "uc_base": "262f",
    "uc_output": "262f",
    "uc_match": "262f-fe0f",
    "uc_greedy": "262f",
    "shortnames": [],
    "category": "symbols"
  },
  ":zap:": {
    "uc_base": "26a1",
    "uc_output": "26a1",
    "uc_match": "26a1-fe0f",
    "uc_greedy": "26a1-fe0f",
    "shortnames": [],
    "category": "nature"
  }
};
const ascii_list = {
  '*\\0/*': '1f646',
  '*\\O/*': '1f646',
  '-___-': '1f611',
  ':\'-)': '1f602',
  '\':-)': '1f605',
  '\':-D': '1f605',
  '>:-)': '1f606',
  '\':-(': '1f613',
  '>:-(': '1f620',
  ':\'-(': '1f622',
  'O:-)': '1f607',
  '0:-3': '1f607',
  '0:-)': '1f607',
  '0;^)': '1f607',
  'O;-)': '1f607',
  '0;-)': '1f607',
  'O:-3': '1f607',
  '-__-': '1f611',
  ':-Þ': '1f61b',
  '</3': '1f494',
  ':\')': '1f602',
  ':-D': '1f603',
  '\':)': '1f605',
  '\'=)': '1f605',
  '\':D': '1f605',
  '\'=D': '1f605',
  '>:)': '1f606',
  '>;)': '1f606',
  '>=)': '1f606',
  ';-)': '1f609',
  '*-)': '1f609',
  ';-]': '1f609',
  ';^)': '1f609',
  '\':(': '1f613',
  '\'=(': '1f613',
  ':-*': '1f618',
  ':^*': '1f618',
  '>:P': '1f61c',
  'X-P': '1f61c',
  '>:[': '1f61e',
  ':-(': '1f61e',
  ':-[': '1f61e',
  '>:(': '1f620',
  ':\'(': '1f622',
  ';-(': '1f622',
  '>.<': '1f623',
  '#-)': '1f635',
  '%-)': '1f635',
  'X-)': '1f635',
  '\\0/': '1f646',
  '\\O/': '1f646',
  '0:3': '1f607',
  '0:)': '1f607',
  'O:)': '1f607',
  'O=)': '1f607',
  'O:3': '1f607',
  'B-)': '1f60e',
  '8-)': '1f60e',
  'B-D': '1f60e',
  '8-D': '1f60e',
  '-_-': '1f611',
  '>:\\': '1f615',
  '>:/': '1f615',
  ':-/': '1f615',
  ':-.': '1f615',
  ':-P': '1f61b',
  ':Þ': '1f61b',
  ':-b': '1f61b',
  ':-O': '1f62e',
  'O_O': '1f62e',
  '>:O': '1f62e',
  ':-X': '1f636',
  ':-#': '1f636',
  ':-)': '1f642',
  '(y)': '1f44d',
  '<3': '2764',
  ':D': '1f603',
  '=D': '1f603',
  ';)': '1f609',
  '*)': '1f609',
  ';]': '1f609',
  ';D': '1f609',
  ':*': '1f618',
  '=*': '1f618',
  ':(': '1f61e',
  ':[': '1f61e',
  '=(': '1f61e',
  ':@': '1f620',
  ';(': '1f622',
  'D:': '1f628',
  ':$': '1f633',
  '=$': '1f633',
  '#)': '1f635',
  '%)': '1f635',
  'X)': '1f635',
  'B)': '1f60e',
  '8)': '1f60e',
  ':/': '1f615',
  ':\\': '1f615',
  '=/': '1f615',
  '=\\': '1f615',
  ':L': '1f615',
  '=L': '1f615',
  ':P': '1f61b',
  '=P': '1f61b',
  ':b': '1f61b',
  ':O': '1f62e',
  ':X': '1f636',
  ':#': '1f636',
  '=X': '1f636',
  '=#': '1f636',
  ':)': '1f642',
  '=]': '1f642',
  '=)': '1f642',
  ':]': '1f642'
};
let shortnames = [];

for (var emoji in emoji_list) {
  if (!Object.prototype.hasOwnProperty.call(emoji_list, emoji) || emoji === '') continue;
  shortnames.push(emoji.replace(/[+]/g, "\\$&"));

  for (var i = 0; i < emoji_list[emoji].shortnames.length; i++) {
    shortnames.push(emoji_list[emoji].shortnames[i].replace(/[+]/g, "\\$&"));
  }
}

shortnames = shortnames.join('|');
const SHORTNAMES_REGEX = new RegExp("<object[^>]*>.*?<\/object>|<span[^>]*>.*?<\/span>|<(?:object|embed|svg|img|div|span|p|a)[^>]*>|(" + shortnames + ")", "gi");
const ASCII_REGEX = '(\\*\\\\0\\/\\*|\\*\\\\O\\/\\*|\\-___\\-|\\:\'\\-\\)|\'\\:\\-\\)|\'\\:\\-D|\\>\\:\\-\\)|>\\:\\-\\)|\'\\:\\-\\(|\\>\\:\\-\\(|>\\:\\-\\(|\\:\'\\-\\(|O\\:\\-\\)|0\\:\\-3|0\\:\\-\\)|0;\\^\\)|O;\\-\\)|0;\\-\\)|O\\:\\-3|\\-__\\-|\\:\\-Þ|\\:\\-Þ|\\<\\/3|<\\/3|\\:\'\\)|\\:\\-D|\'\\:\\)|\'\\=\\)|\'\\:D|\'\\=D|\\>\\:\\)|>\\:\\)|\\>;\\)|>;\\)|\\>\\=\\)|>\\=\\)|;\\-\\)|\\*\\-\\)|;\\-\\]|;\\^\\)|\'\\:\\(|\'\\=\\(|\\:\\-\\*|\\:\\^\\*|\\>\\:P|>\\:P|X\\-P|\\>\\:\\[|>\\:\\[|\\:\\-\\(|\\:\\-\\[|\\>\\:\\(|>\\:\\(|\\:\'\\(|;\\-\\(|\\>\\.\\<|>\\.<|#\\-\\)|%\\-\\)|X\\-\\)|\\\\0\\/|\\\\O\\/|0\\:3|0\\:\\)|O\\:\\)|O\\=\\)|O\\:3|B\\-\\)|8\\-\\)|B\\-D|8\\-D|\\-_\\-|\\>\\:\\\\|>\\:\\\\|\\>\\:\\/|>\\:\\/|\\:\\-\\/|\\:\\-\\.|\\:\\-P|\\:Þ|\\:Þ|\\:\\-b|\\:\\-O|O_O|\\>\\:O|>\\:O|\\:\\-X|\\:\\-#|\\:\\-\\)|\\(y\\)|\\<3|<3|\\:D|\\=D|;\\)|\\*\\)|;\\]|;D|\\:\\*|\\=\\*|\\:\\(|\\:\\[|\\=\\(|\\:@|;\\(|D\\:|\\:\\$|\\=\\$|#\\)|%\\)|X\\)|B\\)|8\\)|\\:\\/|\\:\\\\|\\=\\/|\\=\\\\|\\:L|\\=L|\\:P|\\=P|\\:b|\\:O|\\:X|\\:#|\\=X|\\=#|\\:\\)|\\=\\]|\\=\\)|\\:\\])';
const ASCII_REPLACE_REGEX = new RegExp("<object[^>]*>.*?<\/object>|<span[^>]*>.*?<\/span>|<(?:object|embed|svg|img|div|span|p|a)[^>]*>|((\\s|^)" + ASCII_REGEX + "(?=\\s|$|[!,.?]))", "gi");

function convert(unicode) {
  /* For converting unicode code points and code pairs
   * to their respective characters
   */
  if (unicode.indexOf("-") > -1) {
    const parts = [],
          s = unicode.split('-');

    for (let i = 0; i < s.length; i++) {
      let part = parseInt(s[i], 16);

      if (part >= 0x10000 && part <= 0x10FFFF) {
        const hi = Math.floor((part - 0x10000) / 0x400) + 0xD800;
        const lo = (part - 0x10000) % 0x400 + 0xDC00;
        part = String.fromCharCode(hi) + String.fromCharCode(lo);
      } else {
        part = String.fromCharCode(part);
      }

      parts.push(part);
    }

    return parts.join('');
  }

  return twemoji__WEBPACK_IMPORTED_MODULE_0__["default"].convert.fromCodePoint(unicode);
}

_core__WEBPACK_IMPORTED_MODULE_2__["default"].shortnameToUnicode = function (str) {
  /* will output unicode from shortname
   * useful for sending emojis back to mobile devices
   */
  // Replace regular shortnames first
  str = str.replace(SHORTNAMES_REGEX, shortname => {
    if (typeof shortname === 'undefined' || shortname === '' || !(shortname in emoji_list)) {
      // if the shortname doesnt exist just return the entire matchhju
      return shortname;
    }

    const unicode = emoji_list[shortname].uc_output.toUpperCase();
    return convert(unicode);
  }); // Also replace ASCII smileys

  str = str.replace(ASCII_REPLACE_REGEX, (entire, m1, m2, m3) => {
    if (typeof m3 === 'undefined' || m3 === '' || !(_core__WEBPACK_IMPORTED_MODULE_2__["default"].unescapeHTML(m3) in ascii_list)) {
      // if the ascii doesnt exist just return the entire match
      return entire;
    }

    m3 = _core__WEBPACK_IMPORTED_MODULE_2__["default"].unescapeHTML(m3);
    const unicode = ascii_list[m3].toUpperCase();
    return m2 + convert(unicode);
  });
  return str;
};

_core__WEBPACK_IMPORTED_MODULE_2__["default"].addEmoji = function (_converse, text) {
  if (_converse.use_system_emojis) {
    return _core__WEBPACK_IMPORTED_MODULE_2__["default"].shortnameToUnicode(text);
  } else {
    return twemoji__WEBPACK_IMPORTED_MODULE_0__["default"].parse(text);
  }
};

_core__WEBPACK_IMPORTED_MODULE_2__["default"].getEmojisByCategory = function (_converse) {
  /* Return a dict of emojis with the categories as keys and
   * lists of emojis in that category as values.
   */
  if (_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.isUndefined(_converse.emojis_by_category)) {
    const emojis = _lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.values(_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.mapValues(emoji_list, function (value, key, o) {
      value._shortname = key;
      return value;
    }));

    const tones = [':tone1:', ':tone2:', ':tone3:', ':tone4:', ':tone5:'];
    const excluded = [':kiss_ww:', ':kiss_mm:', ':kiss_woman_man:'];
    const excluded_substrings = [':woman', ':man', ':women_', ':men_', '_man_', '_woman_', '_woman:', '_man:'];
    const excluded_categories = ['modifier', 'regional'];

    const categories = _lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.difference(_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.uniq(_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.map(emojis, _lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.partial(_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.get, _lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a, 'category'))), excluded_categories);

    const emojis_by_category = {};

    _lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.forEach(categories, cat => {
      let list = _lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.sortBy(_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.filter(emojis, ['category', cat]), ['uc_base']);

      list = _lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.filter(list, item => !_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.includes(_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.concat(tones, excluded), item._shortname) && !_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.some(excluded_substrings, _lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.partial(_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.includes, item._shortname)));

      if (cat === 'people') {
        const idx = _lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.findIndex(list, ['uc_base', '1f600']);

        list = _lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.union(_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.slice(list, idx), _lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.slice(list, 0, idx + 1));
      } else if (cat === 'activity') {
        list = _lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.union(_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.slice(list, 27 - 1), _lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.slice(list, 0, 27));
      } else if (cat === 'objects') {
        list = _lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.union(_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.slice(list, 24 - 1), _lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.slice(list, 0, 24));
      } else if (cat === 'travel') {
        list = _lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.union(_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.slice(list, 17 - 1), _lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.slice(list, 0, 17));
      } else if (cat === 'symbols') {
        list = _lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.union(_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.slice(list, 60 - 1), _lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.slice(list, 0, 60));
      }

      emojis_by_category[cat] = list;
    });

    _converse.emojis_by_category = emojis_by_category;
  }

  return _converse.emojis_by_category;
};

_core__WEBPACK_IMPORTED_MODULE_2__["default"].getTonedEmojis = function (_converse) {
  _converse.toned_emojis = _lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.uniq(_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.map(_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.filter(_core__WEBPACK_IMPORTED_MODULE_2__["default"].getEmojisByCategory(_converse).people, person => _lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.includes(person._shortname, '_tone')), person => person._shortname.replace(/_tone[1-5]/, '')));
  return _converse.toned_emojis;
};

_core__WEBPACK_IMPORTED_MODULE_2__["default"].getEmojiRenderer = function (_converse) {
  return _converse.use_system_emojis ? _core__WEBPACK_IMPORTED_MODULE_2__["default"].shortnameToUnicode : _lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.flow(_core__WEBPACK_IMPORTED_MODULE_2__["default"].shortnameToUnicode, twemoji__WEBPACK_IMPORTED_MODULE_0__["default"].parse);
};

/* harmony default export */ __webpack_exports__["default"] = (_core__WEBPACK_IMPORTED_MODULE_2__["default"]);

/***/ }),

/***/ "./src/headless/utils/form.js":
/*!************************************!*\
  !*** ./src/headless/utils/form.js ***!
  \************************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var _lodash_noconflict__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../lodash.noconflict */ "./src/headless/lodash.noconflict.js");
/* harmony import */ var _lodash_noconflict__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(_lodash_noconflict__WEBPACK_IMPORTED_MODULE_0__);
/* harmony import */ var _templates_field_html__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ../templates/field.html */ "./src/headless/templates/field.html");
/* harmony import */ var _templates_field_html__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(_templates_field_html__WEBPACK_IMPORTED_MODULE_1__);
/* harmony import */ var _core__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./core */ "./src/headless/utils/core.js");
// Converse.js (A browser based XMPP chat client)
// http://conversejs.org
//
// This is the utilities module.
//
// Copyright (c) 2013-2018, Jan-Carel Brand <jc@opkode.com>
// Licensed under the Mozilla Public License (MPLv2)




_core__WEBPACK_IMPORTED_MODULE_2__["default"].webForm2xForm = function (field) {
  /* Takes an HTML DOM and turns it into an XForm field.
   *
   * Parameters:
   *      (DOMElement) field - the field to convert
   */
  let value;

  if (field.getAttribute('type') === 'checkbox') {
    value = field.checked && 1 || 0;
  } else if (field.tagName == "TEXTAREA") {
    value = _lodash_noconflict__WEBPACK_IMPORTED_MODULE_0___default.a.filter(field.value.split('\n'), _lodash_noconflict__WEBPACK_IMPORTED_MODULE_0___default.a.trim);
  } else if (field.tagName == "SELECT") {
    value = _core__WEBPACK_IMPORTED_MODULE_2__["default"].getSelectValues(field);
  } else {
    value = field.value;
  }

  return _core__WEBPACK_IMPORTED_MODULE_2__["default"].stringToNode(_templates_field_html__WEBPACK_IMPORTED_MODULE_1___default()({
    'name': field.getAttribute('name'),
    'value': value
  }));
};

/* harmony default export */ __webpack_exports__["default"] = (_core__WEBPACK_IMPORTED_MODULE_2__["default"]);

/***/ }),

/***/ "./src/headless/utils/muc.js":
/*!***********************************!*\
  !*** ./src/headless/utils/muc.js ***!
  \***********************************/
/*! no exports provided */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! @converse/headless/converse-core */ "./src/headless/converse-core.js");
/* harmony import */ var _core__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./core */ "./src/headless/utils/core.js");
// Converse.js (A browser based XMPP chat client)
// http://conversejs.org
//
// This is the utilities module.
//
// Copyright (c) 2013-2018, Jan-Carel Brand <jc@opkode.com>
// Licensed under the Mozilla Public License (MPLv2)
//

/*global escape, Jed */


const _converse$env = _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_0__["default"].env,
      Strophe = _converse$env.Strophe,
      sizzle = _converse$env.sizzle,
      _ = _converse$env._;

_core__WEBPACK_IMPORTED_MODULE_1__["default"].computeAffiliationsDelta = function computeAffiliationsDelta(exclude_existing, remove_absentees, new_list, old_list) {
  /* Given two lists of objects with 'jid', 'affiliation' and
   * 'reason' properties, return a new list containing
   * those objects that are new, changed or removed
   * (depending on the 'remove_absentees' boolean).
   *
   * The affiliations for new and changed members stay the
   * same, for removed members, the affiliation is set to 'none'.
   *
   * The 'reason' property is not taken into account when
   * comparing whether affiliations have been changed.
   *
   * Parameters:
   *  (Boolean) exclude_existing: Indicates whether JIDs from
   *      the new list which are also in the old list
   *      (regardless of affiliation) should be excluded
   *      from the delta. One reason to do this
   *      would be when you want to add a JID only if it
   *      doesn't have *any* existing affiliation at all.
   *  (Boolean) remove_absentees: Indicates whether JIDs
   *      from the old list which are not in the new list
   *      should be considered removed and therefore be
   *      included in the delta with affiliation set
   *      to 'none'.
   *  (Array) new_list: Array containing the new affiliations
   *  (Array) old_list: Array containing the old affiliations
   */
  const new_jids = _.map(new_list, 'jid');

  const old_jids = _.map(old_list, 'jid'); // Get the new affiliations


  let delta = _.map(_.difference(new_jids, old_jids), jid => new_list[_.indexOf(new_jids, jid)]);

  if (!exclude_existing) {
    // Get the changed affiliations
    delta = delta.concat(_.filter(new_list, function (item) {
      const idx = _.indexOf(old_jids, item.jid);

      if (idx >= 0) {
        return item.affiliation !== old_list[idx].affiliation;
      }

      return false;
    }));
  }

  if (remove_absentees) {
    // Get the removed affiliations
    delta = delta.concat(_.map(_.difference(old_jids, new_jids), jid => ({
      'jid': jid,
      'affiliation': 'none'
    })));
  }

  return delta;
};

_core__WEBPACK_IMPORTED_MODULE_1__["default"].parseMemberListIQ = function parseMemberListIQ(iq) {
  /* Given an IQ stanza with a member list, create an array of member objects.
  */
  return _.map(sizzle(`query[xmlns="${Strophe.NS.MUC_ADMIN}"] item`, iq), item => {
    const data = {
      'affiliation': item.getAttribute('affiliation')
    };
    const jid = item.getAttribute('jid');

    if (_core__WEBPACK_IMPORTED_MODULE_1__["default"].isValidJID(jid)) {
      data['jid'] = jid;
    } else {
      // XXX: Prosody sends nick for the jid attribute value
      // Perhaps for anonymous room?
      data['nick'] = jid;
    }

    const nick = item.getAttribute('nick');

    if (nick) {
      data['nick'] = nick;
    }

    const role = item.getAttribute('role');

    if (role) {
      data['role'] = nick;
    }

    return data;
  });
};

/***/ }),

/***/ "./src/jquery-stub.js":
/*!****************************!*\
  !*** ./src/jquery-stub.js ***!
  \****************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;/*global define */
!(__WEBPACK_AMD_DEFINE_ARRAY__ = [], __WEBPACK_AMD_DEFINE_RESULT__ = (function () {
  return Object;
}).apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__),
				__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));

/***/ }),

/***/ "./src/templates/add_chatroom_modal.html":
/*!***********************************************!*\
  !*** ./src/templates/add_chatroom_modal.html ***!
  \***********************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape;
__p += '<!-- src/templates/add_chatroom_modal.html -->\n<div class="modal fade" id="add-chatroom-modal" tabindex="-1" role="dialog" aria-labelledby="add-chatroom-modal-label" aria-hidden="true">\n    <div class="modal-dialog" role="document">\n        <div class="modal-content">\n            <div class="modal-header">\n                <h5 class="modal-title"\n                    id="add-chatroom-modal-label">' +
__e(o.heading_new_chatroom) +
'</h5>\n                <button type="button" class="close" data-dismiss="modal" aria-label="Close">\n                    <span aria-hidden="true">×</span>\n                </button>\n            </div>\n            <div class="modal-body">\n                <form class="converse-form add-chatroom">\n                    <div class="form-group">\n                        <label for="chatroom">' +
__e(o.label_room_address) +
':</label>\n                        <input type="text" required="required" name="chatroom" class="form-control" placeholder="' +
__e(o.chatroom_placeholder) +
'"/>\n                    </div>\n                    <div class="form-group">\n                        <label for="nickname">' +
__e(o.label_nickname) +
':</label>\n                        <input type="text" name="nickname" value="' +
__e(o.nick) +
'" class="form-control"/>\n                    </div>\n                    <input type="submit" class="btn btn-primary" name="join" value="' +
__e(o.label_join) +
'"/>\n                </form>\n            </div>\n        </div>\n    </div>\n</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/add_contact_modal.html":
/*!**********************************************!*\
  !*** ./src/templates/add_contact_modal.html ***!
  \**********************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/add_contact_modal.html -->\n<!-- Add contact Modal -->\n<div class="modal fade" id="add-contact-modal" tabindex="-1" role="dialog" aria-labelledby="addContactModalLabel" aria-hidden="true">\n    <div class="modal-dialog" role="document">\n        <div class="modal-content">\n            <div class="modal-header">\n                <h5 class="modal-title" id="addContactModalLabel">' +
__e(o.heading_new_contact) +
'</h5>\n                <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button>\n            </div>\n            <form class="converse-form add-xmpp-contact">\n                <div class="modal-body">\n                    <div class="form-group ';
 if (o._converse.xhr_user_search_url) { ;
__p += ' hidden ';
 } ;
__p += '">\n                        <label class="clearfix" for="jid">' +
__e(o.label_xmpp_address) +
':</label>\n                        <input type="text" name="jid" required="required" value="' +
__e(o.jid) +
'"\n                               class="form-control"\n                               placeholder="' +
__e(o.contact_placeholder) +
'"/>\n                        <div class="invalid-feedback">' +
__e(o.error_message) +
'</div>\n                    </div>\n                    <div class="form-group">\n                        <label class="clearfix" for="name">' +
__e(o.label_nickname) +
':</label>\n                        <input type="text" name="name" value="' +
__e(o.nickname) +
'"\n                               class="form-control"\n                               placeholder="' +
__e(o.nickname_placeholder) +
'"/>\n                    </div>\n                    <button type="submit" class="btn btn-primary">' +
__e(o.label_add) +
'</button>\n                </div>\n            </form>\n        </div>\n    </div>\n</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/alert.html":
/*!**********************************!*\
  !*** ./src/templates/alert.html ***!
  \**********************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape;
__p += '<!-- src/templates/alert.html -->\n<div class="alert ' +
__e(o.type) +
'" role="alert"><p>' +
__e(o.message) +
'</p></div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/alert_modal.html":
/*!****************************************!*\
  !*** ./src/templates/alert_modal.html ***!
  \****************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/alert_modal.html -->\n<div class="modal" tabindex="-1" role="dialog">\n  <div class="modal-dialog" role="document">\n    <div class="modal-content">\n      <div class="modal-header ' +
__e(o.type) +
'">\n        <h5 class="modal-title">' +
__e(o.title) +
'</h5>\n        <button type="button" class="close" data-dismiss="modal" aria-label="Close">\n          <span aria-hidden="true">×</span>\n        </button>\n      </div>\n      <div class="modal-body">';
o.messages.forEach(function (message) { ;
__p += '\n          <p>' +
__e(message) +
'</p>\n      ';
 }) ;
__p += '\n      </div>\n    </div>\n  </div>\n</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/audio.html":
/*!**********************************!*\
  !*** ./src/templates/audio.html ***!
  \**********************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape;
__p += '<!-- src/templates/audio.html -->\n<audio controls src="' +
__e(o.url) +
'"></audio>\n<a target="_blank" rel="noopener" href="' +
__e(o.url) +
'">' +
__e(o.label_download) +
'</a>\n';
return __p
};

/***/ }),

/***/ "./src/templates/avatar.svg":
/*!**********************************!*\
  !*** ./src/templates/avatar.svg ***!
  \**********************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape;
__p += '<!-- src/templates/avatar.svg -->\n<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="' +
__e(o.classes) +
'" width="' +
__e(o.width) +
'" height="' +
__e(o.height) +
'">\n    <image width="' +
__e(o.width) +
'" height="' +
__e(o.height) +
'" preserveAspectRatio="xMidYMid meet" xlink:href="' +
__e(o.image) +
'"/>\n</svg>\n';
return __p
};

/***/ }),

/***/ "./src/templates/background_logo.html":
/*!********************************************!*\
  !*** ./src/templates/background_logo.html ***!
  \********************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '';
__p += '<!-- src/templates/background_logo.html -->\n<div class="inner-content converse-brand row">\n    <div class="converse-brand__padding"></div>\n    <div class="converse-brand__heading">\n        <svg height="200px"\n            xmlns="http://www.w3.org/2000/svg"\n            xmlns:xlink="http://www.w3.org/1999/xlink"\n            viewBox="0 0 364 364"\n            version="1.1">\n            <title>Logo Converse</title>\n            <defs>\n                <linearGradient id="gradient" x1="92.14" y1="27.64" x2="267.65" y2="331.62" gradientUnits="userSpaceOnUse">\n                    <stop offset="0" stop-color="#fff1d1"/>\n                    <stop offset="0.05" stop-color="#fae8c1"/>\n                    <stop offset="0.15" stop-color="#f0d5a1"/>\n                    <stop offset="0.27" stop-color="#e7c687"/>\n                    <stop offset="0.4" stop-color="#e1bb72"/>\n                    <stop offset="0.54" stop-color="#dcb264"/>\n                    <stop offset="0.71" stop-color="#daad5c"/>\n                    <stop offset="1" stop-color="#d9ac59"/>\n                </linearGradient>\n                <filter id="shadow">\n                    <feGaussianBlur in="SourceAlpha" stdDeviation="2.3" result="blur1"/>\n                    <feOffset in="blur1" dx="3" dy="3" result="blur2"/>\n                    <feColorMatrix in="blur2" type="matrix" result="blur3"\n                        values="1 0 0 0 0.1\n                                0 1 0 0 0.1\n                                0 0 1 0 0.1\n                                0 0 0 1 0"/>\n                    <feMerge>\n                        <feMergeNode in="blur3"/>\n                        <feMergeNode in="SourceGraphic"/>\n                    </feMerge>\n                </filter>\n            </defs>\n            <g filter="url(#shadow)">\n                <path d="M221.46,103.71c0,18.83-29.36,18.83-29.12,0C192.1,84.88,221.46,84.88,221.46,103.71Z" fill="#d9ac59"/>\n                <path d="M179.9,4.15A175.48,175.48,0,1,0,355.38,179.63,175.48,175.48,0,0,0,179.9,4.15Zm-40.79,264.5c-.23-17.82,27.58-17.82,27.58,0S138.88,286.48,139.11,268.65ZM218.6,168.24A79.65,79.65,0,0,1,205.15,174a12.76,12.76,0,0,0-6.29,4.65L167.54,222a1.36,1.36,0,0,1-2.46-.8v-35.8a2.58,2.58,0,0,0-3.06-2.53c-15.43,3-30.23,7.7-42.73,19.94-38.8,38-29.42,105.69,16.09,133.16a162.25,162.25,0,0,1-91.47-67.27C-3.86,182.26,34.5,47.25,138.37,25.66c46.89-9.75,118.25,5.16,123.73,62.83C265.15,120.64,246.56,152.89,218.6,168.24Z" fill="url(#gradient)"/>\n            </g>\n        </svg>\n        <span class="converse-brand__text">\n            <span>converse<span class="subdued">.js</span></span>\n            <p class="byline">messaging freedom</p>\n        </span>\n    </div>\n</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/bookmark.html":
/*!*************************************!*\
  !*** ./src/templates/bookmark.html ***!
  \*************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/bookmark.html -->\n<div class="list-item controlbox-padded room-item available-chatroom d-flex flex-row ';
 if (o.hidden) { ;
__p += ' hidden ';
 } ;
__p += '" data-room-jid="' +
__e(o.jid) +
'">\n    <a class="list-item-link open-room w-100" data-room-jid="' +
__e(o.jid) +
'" title="' +
__e(o.open_title) +
'" href="#">' +
__e(o.name) +
'</a>\n    <a class="list-item-action remove-bookmark fa fa-bookmark align-self-center ';
 if (o.bookmarked) { ;
__p += ' button-on ';
 } ;
__p += '"\n        data-room-jid="' +
__e(o.jid) +
'" data-bookmark-name="' +
__e(o.name) +
'"\n        title="' +
__e(o.info_remove_bookmark) +
'" href="#"></a>\n</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/bookmarks_list.html":
/*!*******************************************!*\
  !*** ./src/templates/bookmarks_list.html ***!
  \*******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/bookmarks_list.html -->\n<a href="#" class="list-toggle bookmarks-toggle controlbox-padded" title="' +
__e(o.desc_bookmarks) +
'">\n    <span class="fa ';
 if (o.toggle_state === o._converse.OPENED) { ;
__p += ' fa-caret-down ';
 } else { ;
__p += ' fa-caret-right ';
 } ;
__p += '">\n    </span> ' +
__e(o.label_bookmarks) +
'</a>\n<div class="items-list bookmarks rooms-list ';
 if (o.toggle_state !== o._converse.OPENED) { ;
__p += ' hidden ';
 } ;
__p += '"></div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/chat_status_modal.html":
/*!**********************************************!*\
  !*** ./src/templates/chat_status_modal.html ***!
  \**********************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/chat_status_modal.html -->\n<!-- Change status Modal -->\n<div class="modal fade" id="modal-status-change" tabindex="-1" role="dialog" aria-labelledby="changeStatusModalLabel" aria-hidden="true">\n    <div class="modal-dialog" role="document">\n        <div class="modal-content">\n            <div class="modal-header">\n                <h5 class="modal-title" id="changeStatusModalLabel">' +
__e(o.modal_title) +
'</h5>\n                <button type="button" class="close" data-dismiss="modal" aria-label="' +
__e(o.label_close) +
'">\n                    <span aria-hidden="true">×</span>\n                </button>\n            </div>\n            <div class="modal-body">\n                <form class="converse-form set-xmpp-status" id="set-xmpp-status">\n                    <div class="form-group">\n                        <div class="custom-control custom-radio">\n                            <input ';
 if (o.status === 'online') { ;
__p += ' checked="checked" ';
 } ;
__p += '\n                                   type="radio" id="radio-online" value="online" name="chat_status" class="custom-control-input"/>\n                            <label class="custom-control-label" for="radio-online">\n                                <span class="fa fa-circle chat-status chat-status--online"></span>' +
__e(o.label_online) +
'</label>\n                        </div>\n                        <div class="custom-control custom-radio">\n                            <input ';
 if (o.status === 'busy') { ;
__p += ' checked="checked" ';
 } ;
__p += '\n                                   type="radio" id="radio-busy" value="dnd" name="chat_status" class="custom-control-input"/>\n                            <label class="custom-control-label" for="radio-busy">\n                                <span class="fa fa-minus-circle  chat-status chat-status--busy"></span>' +
__e(o.label_busy) +
'</label>\n                        </div>\n                        <div class="custom-control custom-radio">\n                            <input ';
 if (o.status === 'away') { ;
__p += ' checked="checked" ';
 } ;
__p += '\n                                   type="radio" id="radio-away" value="away" name="chat_status" class="custom-control-input"/>\n                            <label class="custom-control-label" for="radio-away">\n                                <span class="fa fa-circle chat-status chat-status--away"></span>' +
__e(o.label_away) +
'</label>\n                        </div>\n                        <div class="custom-control custom-radio">\n                            <input ';
 if (o.status === 'xa') { ;
__p += ' checked="checked" ';
 } ;
__p += '\n                                   type="radio" id="radio-xa" value="xa" name="chat_status" class="custom-control-input"/>\n                            <label class="custom-control-label" for="radio-xa">\n                                <span class="far fa-circle chat-status chat-status--xa"></span>' +
__e(o.label_xa) +
'</label>\n                        </div>\n                    </div>\n                    <div class="form-group">\n                        <div class="btn-group w-100">\n                            <input name="status_message" type="text" class="form-control" \n                                value="' +
__e(o.status_message) +
'" placeholder="' +
__e(o.placeholder_status_message) +
'"/>\n                            <span class="clear-input fa fa-times ';
 if (!o.status_message) { ;
__p += ' hidden ';
 } ;
__p += '"></span>\n                        </div>\n                    </div>\n                    <button type="submit" class="btn btn-primary">' +
__e(o.label_save) +
'</button>\n                </form>\n            </div>\n        </div>\n    </div>\n</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/chatarea.html":
/*!*************************************!*\
  !*** ./src/templates/chatarea.html ***!
  \*************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/chatarea.html -->\n<div class="chat-area col-md-9 col-8">\n    <div class="chat-content ';
 if (o.show_send_button) { ;
__p += 'chat-content-sendbutton';
 } ;
__p += '"></div>\n    <div class="message-form-container"/>\n</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/chatbox.html":
/*!************************************!*\
  !*** ./src/templates/chatbox.html ***!
  \************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/chatbox.html -->\n<div class="flyout box-flyout">\n    <div class="chat-body">\n        <div class="chat-content ';
 if (o.show_send_button) { ;
__p += 'chat-content-sendbutton';
 } ;
__p += '"></div>\n        <div class="message-form-container"></div>\n    </div>\n</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/chatbox_head.html":
/*!*****************************************!*\
  !*** ./src/templates/chatbox_head.html ***!
  \*****************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/chatbox_head.html -->\n<div class="chat-head chat-head-chatbox row no-gutters">\n    <div class="chatbox-navback"><i class="fa fa-arrow-left"></i></div>\n    <div class="chatbox-title">\n        <div class="row no-gutters">\n            <canvas class="avatar" height="36" width="36"></canvas>\n            <div class="col chat-title" title="' +
__e(o.jid) +
'">\n                ';
 if (o.url) { ;
__p += '\n                    <a href="' +
__e(o.url) +
'" target="_blank" rel="noopener" class="user">\n                ';
 } ;
__p += '\n                        ' +
__e( o.nickname || o.fullname || o.jid ) +
'\n                ';
 if (o.url) { ;
__p += '\n                    </a>\n                ';
 } ;
__p += '\n                <p class="user-custom-message">' +
__e( o.status ) +
'</p>\n            </div>\n        </div>\n    </div>\n    <div class="chatbox-buttons row no-gutters">\n        <a class="chatbox-btn close-chatbox-button fa fa-times" title="' +
__e(o.info_close) +
'"></a>\n        <a class="chatbox-btn show-user-details-modal fa fa-id-card" title="' +
__e(o.info_details) +
'"></a>\n    </div>\n</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/chatbox_message_form.html":
/*!*************************************************!*\
  !*** ./src/templates/chatbox_message_form.html ***!
  \*************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/chatbox_message_form.html -->\n<div class="message-form-container">\n<div class="new-msgs-indicator hidden">▼ ' +
__e( o.unread_msgs ) +
' ▼</div>\n<form class="sendXMPPMessage">\n    ';
 if (o.show_toolbar) { ;
__p += '\n        <ul class="chat-toolbar no-text-select"></ul>\n    ';
 } ;
__p += '\n    <input type="text" placeholder="' +
((__t = (o.label_spoiler_hint)) == null ? '' : __t) +
'" value="' +
((__t = ( o.hint_value )) == null ? '' : __t) +
'"\n           class="';
 if (!o.composing_spoiler) { ;
__p += ' hidden ';
 } ;
__p += ' spoiler-hint"/>\n\n    <div class="suggestion-box">\n        <ul class="suggestion-box__results suggestion-box__results--above" hidden=""></ul>\n        <textarea\n            type="text"\n            class="chat-textarea suggestion-box__input\n                ';
 if (o.show_send_button) { ;
__p += ' chat-textarea-send-button ';
 } ;
__p += '\n                ';
 if (o.composing_spoiler) { ;
__p += ' spoiler ';
 } ;
__p += '"\n            placeholder="' +
__e(o.label_message) +
'">' +
((__t = ( o.message_value )) == null ? '' : __t) +
'</textarea>\n        <span class="suggestion-box__additions visually-hidden" role="status" aria-live="assertive" aria-relevant="additions"></span>\n\n        ';
 if (o.show_send_button) { ;
__p += '\n            <button type="submit" class="pure-button send-button">' +
__e( o.label_send ) +
'</button>\n        ';
 } ;
__p += '\n    </div>\n</form>\n</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/chatbox_minimize.html":
/*!*********************************************!*\
  !*** ./src/templates/chatbox_minimize.html ***!
  \*********************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape;
__p += '<!-- src/templates/chatbox_minimize.html -->\n<a class="chatbox-btn toggle-chatbox-button fa fa-minus" title="' +
__e(o.info_minimize) +
'"></a>\n';
return __p
};

/***/ }),

/***/ "./src/templates/chatboxes.html":
/*!**************************************!*\
  !*** ./src/templates/chatboxes.html ***!
  \**************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '';
__p += '<!-- src/templates/chatboxes.html -->\n<div class="converse-chatboxes row no-gutters"></div>\n<div id="converse-modals" class="modals"></div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/chatroom.html":
/*!*************************************!*\
  !*** ./src/templates/chatroom.html ***!
  \*************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '';
__p += '<!-- src/templates/chatroom.html -->\n<div class="flyout box-flyout">\n    <div class="chat-head chat-head-chatroom row no-gutters"></div>\n    <div class="chat-body chatroom-body row no-gutters">\n        <div class="disconnect-container hidden"></div>\n    </div>\n</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/chatroom_bookmark_form.html":
/*!***************************************************!*\
  !*** ./src/templates/chatroom_bookmark_form.html ***!
  \***************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape;
__p += '<!-- src/templates/chatroom_bookmark_form.html -->\n<div class="chatroom-form-container">\n    <form class="converse-form chatroom-form">\n        <legend>' +
__e(o.heading) +
'</legend>\n        <fieldset class="form-group">\n            <label for="converse_muc_bookmark_name">' +
__e(o.label_name) +
'</label>\n            <input class="form-control" type="text" value="' +
__e(o.name) +
'" name="name" required="required" id="converse_muc_bookmark_name"/>\n        </fieldset>\n        <fieldset class="form-group">\n            <label for="converse_muc_bookmark_nick">' +
__e(o.label_nick) +
'</label>\n            <input class="form-control" type="text" name="nick" value="' +
__e(o.default_nick) +
'" id="converse_muc_bookmark_nick"/>\n        </fieldset>\n        <fieldset class="form-group form-check">\n            <input class="form-check-input" id="converse_muc_bookmark_autojoin" type="checkbox" name="autojoin"/>\n            <label class="form-check-label" for="converse_muc_bookmark_autojoin">' +
__e(o.label_autojoin) +
'</label>\n        </fieldset>\n        <fieldset class="form-group">\n            <input class="btn btn-primary" type="submit" value="' +
__e(o.label_submit) +
'"/>\n            <input class="btn btn-secondary button-cancel" type="button" value="' +
__e(o.label_cancel) +
'"/>\n        </fieldset>\n    </form>\n</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/chatroom_bookmark_toggle.html":
/*!*****************************************************!*\
  !*** ./src/templates/chatroom_bookmark_toggle.html ***!
  \*****************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/chatroom_bookmark_toggle.html -->\n<a class="chatbox-btn toggle-bookmark fa fa-bookmark\n   ';
 if (o.bookmarked) {;
__p += ' button-on ';
 } ;
__p += '" title="' +
__e(o.info_toggle_bookmark) +
'"></a>\n';
return __p
};

/***/ }),

/***/ "./src/templates/chatroom_destroyed.html":
/*!***********************************************!*\
  !*** ./src/templates/chatroom_destroyed.html ***!
  \***********************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/chatroom_destroyed.html -->\n<div class="alert alert-danger">\n    <h3 class="alert-heading disconnect-msg">' +
__e(o.__('This groupchat no longer exists')) +
'</h3>\n\n    <p class="destroyed-reason">' +
__e(o.reason) +
'</p>\n\n    ';
 if (o.jid) { ;
__p += '\n    <p class="moved-label">\n        ' +
__e(o.__('The conversation has moved. Click below to enter.') ) +
'\n    </p>\n    <p class="moved-link"><a class="switch-chat" href="#">' +
__e(o.jid) +
'</a></p>\n    ';
 } ;
__p += '\n</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/chatroom_details_modal.html":
/*!***************************************************!*\
  !*** ./src/templates/chatroom_details_modal.html ***!
  \***************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/chatroom_details_modal.html -->\n<div class="modal fade" id="room-details-modal" tabindex="-1" role="dialog" aria-labelledby="room-details-modal-label" aria-hidden="true">\n    <div class="modal-dialog" role="document">\n        <div class="modal-content">\n            <div class="modal-header">\n                <h5 class="modal-title" id="room-details-modal-label">' +
__e(o.display_name) +
'</h5>\n                <button type="button" class="close" data-dismiss="modal" aria-label="' +
__e(o.label_close) +
'"><span aria-hidden="true">×</span></button>\n            </div>\n            <div class="modal-body">\n                <div class="room-info">\n                    <p class="room-info"><strong>' +
__e(o.__('Name')) +
'</strong>: ' +
__e(o.name) +
'</p>\n                    <p class="room-info"><strong>' +
__e(o.__('Groupchat address (JID)')) +
'</strong>: ' +
__e(o.jid) +
'</p>\n                    <p class="room-info"><strong>' +
__e(o.__('Description')) +
'</strong>: ' +
__e(o.description) +
'</p>\n                    ';
 if (o.subject) { ;
__p += '\n                    <p class="room-info"><strong>' +
__e(o.__('Topic')) +
'</strong>: ' +
((__t = (o.topic)) == null ? '' : __t) +
'</p> <!-- Sanitized in converse-muc-views. We want to render links. -->\n                        <p class="room-info"><strong>' +
__e(o.__('Topic author')) +
'</strong>: ' +
__e(o._.get(o.subject, 'author')) +
'</p>\n                    ';
 } ;
__p += '\n                    <p class="room-info"><strong>' +
__e(o.__('Online users')) +
'</strong>: ' +
__e(o.num_occupants) +
'</p>\n                    <p class="room-info"><strong>' +
__e(o.__('Features')) +
'</strong>:\n                        <div class="chatroom-features">\n                        <ul class="features-list">\n                        ';
 if (o.features.passwordprotected) { ;
__p += '\n                        <li class="feature" ><span class="fa fa-lock"></span>' +
__e( o.__('Password protected') ) +
' - <em>' +
__e( o.__('This groupchat requires a password before entry') ) +
'</em></li>\n                        ';
 } ;
__p += '\n                        ';
 if (o.features.unsecured) { ;
__p += '\n                        <li class="feature" ><span class="fa fa-unlock"></span>' +
__e( o.__('No password required') ) +
' - <em>' +
__e( o.__('This groupchat does not require a password upon entry') ) +
'</em></li>\n                        ';
 } ;
__p += '\n                        ';
 if (o.features.hidden) { ;
__p += '\n                        <li class="feature" ><span class="fa fa-eye-slash"></span>' +
__e( o.__('Hidden') ) +
' - <em>' +
__e( o.__('This groupchat is not publicly searchable') ) +
'</em></li>\n                        ';
 } ;
__p += '\n                        ';
 if (o.features.public_room) { ;
__p += '\n                        <li class="feature" ><span class="fa fa-eye"></span>' +
__e( o.__('Public') ) +
' - <em>' +
__e( o.__('This groupchat is publicly searchable') ) +
'</em></li>\n                        ';
 } ;
__p += '\n                        ';
 if (o.features.membersonly) { ;
__p += '\n                        <li class="feature" ><span class="fa fa-address-book"></span>' +
__e( o.__('Members only') ) +
' - <em>' +
__e( o.__('This groupchat is restricted to members only') ) +
'</em></li>\n                        ';
 } ;
__p += '\n                        ';
 if (o.features.open) { ;
__p += '\n                        <li class="feature" ><span class="fa fa-globe"></span>' +
__e( o.__('Open') ) +
' - <em>' +
__e( o.__('Anyone can join this groupchat') ) +
'</em></li>\n                        ';
 } ;
__p += '\n                        ';
 if (o.features.persistent) { ;
__p += '\n                        <li class="feature" ><span class="fa fa-save"></span>' +
__e( o.__('Persistent') ) +
' - <em>' +
__e( o.__('This groupchat persists even if it\'s unoccupied') ) +
'</em></li>\n                        ';
 } ;
__p += '\n                        ';
 if (o.features.temporary) { ;
__p += '\n                        <li class="feature" ><span class="fa fa-snowflake-o"></span>' +
__e( o.__('Temporary') ) +
' - <em>' +
__e( o.__('This groupchat will disappear once the last person leaves') ) +
'</em></li>\n                        ';
 } ;
__p += '\n                        ';
 if (o.features.nonanonymous) { ;
__p += '\n                        <li class="feature" ><span class="fa fa-id-card"></span>' +
__e( o.__('Not anonymous') ) +
' - <em>' +
__e( o.__('All other groupchat participants can see your XMPP username') ) +
'</em></li>\n                        ';
 } ;
__p += '\n                        ';
 if (o.features.semianonymous) { ;
__p += '\n                        <li class="feature" ><span class="fa fa-user-secret"></span>' +
__e( o.__('Semi-anonymous') ) +
' - <em>' +
__e( o.__('Only moderators can see your XMPP username') ) +
'</em></li>\n                        ';
 } ;
__p += '\n                        ';
 if (o.features.moderated) { ;
__p += '\n                        <li class="feature" ><span class="fa fa-gavel"></span>' +
__e( o.__('Moderated') ) +
' - <em>' +
__e( o.__('Participants entering this groupchat need to request permission to write') ) +
'</em></li>\n                        ';
 } ;
__p += '\n                        ';
 if (o.features.unmoderated) { ;
__p += '\n                        <li class="feature" ><span class="fa fa-info-circle"></span>' +
__e( o.__('Not moderated') ) +
' - <em>' +
__e( o.__('Participants entering this groupchat can write right away') ) +
'</em></li>\n                        ';
 } ;
__p += '\n                        ';
 if (o.features.mam_enabled) { ;
__p += '\n                        <li class="feature" ><span class="fa fa-database"></span>' +
__e( o.__('Message archiving') ) +
' - <em>' +
__e( o.__('Messages are archived on the server') ) +
'</em></li>\n                        ';
 } ;
__p += '\n                        </ul>\n                        </div>\n                    </p>\n                </div>\n            </div>\n            <div class="modal-footer">\n                <button type="button" class="btn btn-warning" data-dismiss="modal">' +
__e(o.__('Close')) +
'</button>\n            </div>\n        </div>\n    </div>\n</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/chatroom_disconnect.html":
/*!************************************************!*\
  !*** ./src/templates/chatroom_disconnect.html ***!
  \************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/chatroom_disconnect.html -->\n<div class="alert alert-danger">\n    <h3 class="alert-heading disconnect-msg">' +
__e(o.disconnect_messages[0]) +
'</h3>\n\n    ';
 o._.forEach(o.disconnect_messages.slice(1), function (msg) { ;
__p += '\n        <p class="disconnect-msg">' +
__e(msg) +
'</p>\n    ';
 }); ;
__p += '\n</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/chatroom_features.html":
/*!**********************************************!*\
  !*** ./src/templates/chatroom_features.html ***!
  \**********************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/chatroom_features.html -->\n<p class="occupants-heading">' +
__e(o.__('Features')) +
'</p>\n<ul class="features-list">\n';
 if (o.passwordprotected) { ;
__p += '\n<li class="feature" title="' +
__e( o.__('This groupchat requires a password before entry') ) +
'"><span class="fa fa-lock"></span>' +
__e( o.__('Password protected') ) +
'</li>\n';
 } ;
__p += '\n';
 if (o.unsecured) { ;
__p += '\n<li class="feature" title="' +
__e( o.__('This groupchat does not require a password upon entry') ) +
'"><span class="fa fa-unlock"></span>' +
__e( o.__('No password') ) +
'</li>\n';
 } ;
__p += '\n';
 if (o.hidden) { ;
__p += '\n<li class="feature" title="' +
__e( o.__('This groupchat is not publicly searchable') ) +
'"><span class="fa fa-eye-slash"></span>' +
__e( o.__('Hidden') ) +
'</li>\n';
 } ;
__p += '\n';
 if (o.public_room) { ;
__p += '\n<li class="feature" title="' +
__e( o.__('This groupchat is publicly searchable') ) +
'"><span class="fa fa-eye"></span>' +
__e( o.__('Public') ) +
'</li>\n';
 } ;
__p += '\n';
 if (o.membersonly) { ;
__p += '\n<li class="feature" title="' +
__e( o.__('this groupchat is restricted to members only') ) +
'"><span class="fa fa-address-book"></span>' +
__e( o.__('Members only') ) +
'</li>\n';
 } ;
__p += '\n';
 if (o.open) { ;
__p += '\n<li class="feature" title="' +
__e( o.__('Anyone can join this groupchat') ) +
'"><span class="fa fa-globe"></span>' +
__e( o.__('Open') ) +
'</li>\n';
 } ;
__p += '\n';
 if (o.persistent) { ;
__p += '\n<li class="feature" title="' +
__e( o.__('This groupchat persists even if it\'s unoccupied') ) +
'"><span class="fa fa-save"></span>' +
__e( o.__('Persistent') ) +
'</li>\n';
 } ;
__p += '\n';
 if (o.temporary) { ;
__p += '\n<li class="feature" title="' +
__e( o.__('This groupchat will disappear once the last person leaves') ) +
'"><span class="fa fa-snowflake"></span>' +
__e( o.__('Temporary') ) +
'</li>\n';
 } ;
__p += '\n';
 if (o.nonanonymous) { ;
__p += '\n<li class="feature" title="' +
__e( o.__('All other groupchat participants can see your XMPP username') ) +
'"><span class="fa fa-id-card"></span>' +
__e( o.__('Not anonymous') ) +
'</li>\n';
 } ;
__p += '\n';
 if (o.semianonymous) { ;
__p += '\n<li class="feature" title="' +
__e( o.__('Only moderators can see your XMPP username') ) +
'"><span class="fa fa-user-secret"></span>' +
__e( o.__('Semi-anonymous') ) +
'</li>\n';
 } ;
__p += '\n';
 if (o.moderated) { ;
__p += '\n<li class="feature" title="' +
__e( o.__('Participants entering this groupchat need to request permission to write') ) +
'"><span class="fa fa-gavel"></span>' +
__e( o.__('Moderated') ) +
'</li>\n';
 } ;
__p += '\n';
 if (o.unmoderated) { ;
__p += '\n<li class="feature" title="' +
__e( o.__('Participants entering this groupchat can write right away') ) +
'"><span class="fa fa-info-circle"></span>' +
__e( o.__('Not moderated') ) +
'</li>\n';
 } ;
__p += '\n';
 if (o.mam_enabled) { ;
__p += '\n<li class="feature" title="' +
__e( o.__('Messages are archived on the server') ) +
'"><span class="fa fa-database"></span>' +
__e( o.__('Message archiving') ) +
'</li>\n';
 } ;
__p += '\n</ul>\n';
return __p
};

/***/ }),

/***/ "./src/templates/chatroom_form.html":
/*!******************************************!*\
  !*** ./src/templates/chatroom_form.html ***!
  \******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '';
__p += '<!-- src/templates/chatroom_form.html -->\n<div class="chatroom-form-container">\n    <form class="converse-form chatroom-form">\n        <fieldset class="form-group">\n            <span class="spinner fa fa-spinner centered"/>\n        </fieldset>\n    </form>\n</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/chatroom_head.html":
/*!******************************************!*\
  !*** ./src/templates/chatroom_head.html ***!
  \******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/chatroom_head.html -->\n<div class="chatbox-navback"><i class="fa fa-arrow-left"></i></div>\n<div class="chatbox-title">\n    <div class="chat-title" title="' +
__e(o.jid) +
'">\n        ';
 if (o.name && o.name !== o.Strophe.getNodeFromJid(o.jid)) { ;
__p += '\n            ' +
__e( o.name ) +
'\n        ';
 } else { ;
__p += '\n            ' +
__e( o.Strophe.getNodeFromJid(o.jid) ) +
'@' +
__e( o.Strophe.getDomainFromJid(o.jid) ) +
'\n        ';
 } ;
__p += '\n    </div>\n    <!-- Sanitized in converse-muc-views. We want to render links. -->\n    <p class="chatroom-description">' +
((__t = (o.description)) == null ? '' : __t) +
'</p>\n</div>\n<div class="chatbox-buttons row no-gutters">\n    <a class="chatbox-btn close-chatbox-button fa fa-sign-out-alt" title="' +
__e(o.info_close) +
'"></a>\n    ';
 if (o.affiliation == 'owner') { ;
__p += '\n    <a class="chatbox-btn configure-chatroom-button fa fa-wrench" title="' +
__e(o.info_configure) +
' "></a>\n    ';
 } ;
__p += '\n    <a class="chatbox-btn show-room-details-modal fa fa-info-circle" title="' +
__e(o.info_details) +
'"></a>\n</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/chatroom_invite.html":
/*!********************************************!*\
  !*** ./src/templates/chatroom_invite.html ***!
  \********************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/chatroom_invite.html -->\n<form class="room-invite">\n    ';
 if (o.error_message) { ;
__p += '\n        <span class="error">' +
__e(o.error_message) +
'</span>\n    ';
 } ;
__p += '\n    <input class="form-control invited-contact" placeholder="' +
__e(o.label_invitation) +
'" type="text"/>\n</form>\n';
return __p
};

/***/ }),

/***/ "./src/templates/chatroom_nickname_form.html":
/*!***************************************************!*\
  !*** ./src/templates/chatroom_nickname_form.html ***!
  \***************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape;
__p += '<!-- src/templates/chatroom_nickname_form.html -->\n<div class="chatroom-form-container">\n    <form class="converse-form chatroom-form converse-centered-form">\n        <fieldset class="form-group">\n            <label>' +
__e(o.heading) +
'</label>\n            <p class="validation-message">' +
__e(o.validation_message) +
'</p>\n            <input type="text" required="required" name="nick" class="form-control" placeholder="' +
__e(o.label_nickname) +
'"/>\n        </fieldset>\n        <input type="submit" class="btn btn-primary" name="join" value="' +
__e(o.label_join) +
'"/>\n    </form>\n</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/chatroom_password_form.html":
/*!***************************************************!*\
  !*** ./src/templates/chatroom_password_form.html ***!
  \***************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape;
__p += '<!-- src/templates/chatroom_password_form.html -->\n<div class="chatroom-form-container">\n    <form class="pure-form converse-form chatroom-form">\n        <fieldset class="form-group">\n            <legend>' +
__e(o.heading) +
'</legend>\n            <label>' +
__e(o.label_password) +
'</label>\n            <input type="password" name="password"/>\n        </fieldset>\n        <input class="btn btn-primary" type="submit" value="' +
__e(o.label_submit) +
'"/>\n    </form>\n</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/chatroom_sidebar.html":
/*!*********************************************!*\
  !*** ./src/templates/chatroom_sidebar.html ***!
  \*********************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape;
__p += '<!-- src/templates/chatroom_sidebar.html -->\n<!-- <div class="occupants"> -->\n<div class="occupants-header">\n    <i class="hide-occupants fa fa-times"></i>\n    <p class="occupants-heading">' +
__e(o.label_occupants) +
'</p>\n</div>\n<ul class="occupant-list"></ul>\n<div class="chatroom-features"></div>\n<!-- </div> -->\n';
return __p
};

/***/ }),

/***/ "./src/templates/chats_panel.html":
/*!****************************************!*\
  !*** ./src/templates/chats_panel.html ***!
  \****************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '';
__p += '<!-- src/templates/chats_panel.html -->\n<a id="toggle-minimized-chats" href="#" class="row no-gutters"></a>\n<div class="flyout minimized-chats-flyout row no-gutters"></div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/client_info_modal.html":
/*!**********************************************!*\
  !*** ./src/templates/client_info_modal.html ***!
  \**********************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape;
__p += '<!-- src/templates/client_info_modal.html -->\n<!-- Change status Modal -->\n<div class="modal fade" id="modal-status-change" tabindex="-1" role="dialog" aria-labelledby="changeStatusModalLabel" aria-hidden="true">\n    <div class="modal-dialog" role="document">\n        <div class="modal-content">\n            <div class="modal-header">\n                <h5 class="modal-title" id="changeStatusModalLabel">' +
__e(o.modal_title) +
'</h5>\n                <button type="button" class="close" data-dismiss="modal" aria-label="' +
__e(o.label_close) +
'">\n                    <span aria-hidden="true">×</span>\n                </button>\n            </div>\n            <div class="modal-body">\n                <div class="container brand-heading-container">\n                    <h6 class="brand-heading">Converse</h6>\n                    <p class="brand-subtitle">' +
__e(o.version_name) +
'</p>\n                    <p class="brand-subtitle">' +
((__t = (o.first_subtitle)) == null ? '' : __t) +
'</p>\n                    <p class="brand-subtitle">' +
((__t = (o.second_subtitle)) == null ? '' : __t) +
'</p>\n                </div>\n            </div>\n        </div>\n    </div>\n</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/controlbox.html":
/*!***************************************!*\
  !*** ./src/templates/controlbox.html ***!
  \***************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/controlbox.html -->\n<div class="flyout box-flyout">\n    <div class="chat-head controlbox-head">\n        ';
 if (!o.sticky_controlbox) { ;
__p += '\n            <a class="chatbox-btn close-chatbox-button fa fa-times"></a>\n        ';
 } ;
__p += '\n    </div>\n    <div class="controlbox-panes"></div>\n</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/controlbox_toggle.html":
/*!**********************************************!*\
  !*** ./src/templates/controlbox_toggle.html ***!
  \**********************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape;
__p += '<!-- src/templates/controlbox_toggle.html -->\n<span class="toggle-feedback">' +
__e(o.label_toggle) +
'</span>\n';
return __p
};

/***/ }),

/***/ "./src/templates/converse_brand_heading.html":
/*!***************************************************!*\
  !*** ./src/templates/converse_brand_heading.html ***!
  \***************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '';
__p += '<!-- src/templates/converse_brand_heading.html -->\n<span class="brand-heading-container">\n    <a class="brand-heading" href="https://conversejs.org" target="_blank" rel="noopener">\n        <svg class="converse-svg-logo"\n            xmlns:svg="http://www.w3.org/2000/svg"\n            xmlns="http://www.w3.org/2000/svg"\n            xmlns:xlink="http://www.w3.org/1999/xlink"\n            viewBox="0 0 364 364">\n            <title>Converse</title>\n            <g class="cls-1" id="g904">\n                <g data-name="Layer 2">\n                    <g data-name="Layer 7">\n                        <path\n                            class="cls-3"\n                            d="M221.46,103.71c0,18.83-29.36,18.83-29.12,0C192.1,84.88,221.46,84.88,221.46,103.71Z" />\n                        <path\n                            class="cls-4"\n                            d="M179.9,4.15A175.48,175.48,0,1,0,355.38,179.63,175.48,175.48,0,0,0,179.9,4.15Zm-40.79,264.5c-.23-17.82,27.58-17.82,27.58,0S138.88,286.48,139.11,268.65ZM218.6,168.24A79.65,79.65,0,0,1,205.15,174a12.76,12.76,0,0,0-6.29,4.65L167.54,222a1.36,1.36,0,0,1-2.46-.8v-35.8a2.58,2.58,0,0,0-3.06-2.53c-15.43,3-30.23,7.7-42.73,19.94-38.8,38-29.42,105.69,16.09,133.16a162.25,162.25,0,0,1-91.47-67.27C-3.86,182.26,34.5,47.25,138.37,25.66c46.89-9.75,118.25,5.16,123.73,62.83C265.15,120.64,246.56,152.89,218.6,168.24Z" />\n                    </g>\n                </g>\n            </g>\n        </svg>\n        <span class="brand-name">\n            <span class="brand-name__text">converse<span class="subdued">.js</span></span>\n        </span>\n    </a>\n</span>\n';
return __p
};

/***/ }),

/***/ "./src/templates/csn.html":
/*!********************************!*\
  !*** ./src/templates/csn.html ***!
  \********************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape;
__p += '<!-- src/templates/csn.html -->\n<div class="message chat-info chat-state-notification"\n     data-isodate="' +
__e(o.isodate) +
'"\n     data-csn="' +
__e(o.from) +
'">' +
__e(o.message) +
'</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/dragresize.html":
/*!***************************************!*\
  !*** ./src/templates/dragresize.html ***!
  \***************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '';
__p += '<!-- src/templates/dragresize.html -->\n<div class="dragresize dragresize-top"></div>\n<div class="dragresize dragresize-topleft"></div>\n<div class="dragresize dragresize-left"></div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/emojis.html":
/*!***********************************!*\
  !*** ./src/templates/emojis.html ***!
  \***********************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/emojis.html -->\n<div class="emoji-picker-container">\n';
 o._.forEach(o.emojis_by_category, function (obj, category) { ;
__p += '\n    <ul class="emoji-picker emoji-picker-' +
__e(category) +
' ';
 if (o.current_category !== category) { ;
__p += ' hidden ';
 } ;
__p += '">\n        ';
 o._.forEach(o.emojis_by_category[category], function (emoji) { ;
__p += '\n        <li class="emoji insert-emoji ';
 if (o.shouldBeHidden(emoji._shortname, o.current_skintone, o.toned_emojis)) { ;
__p += ' hidden ';
 }; ;
__p += '"\n            data-emoji="' +
__e(emoji._shortname) +
'">\n                <a href="#" data-emoji="' +
__e(emoji._shortname) +
'"> ' +
((__t = ( o.transform(emoji._shortname) )) == null ? '' : __t) +
'  </a>\n        </li>\n        ';
 }); ;
__p += '\n    </ul>\n';
 }); ;
__p += '\n<ul class="emoji-toolbar">\n    <li class="emoji-category-picker">\n        <ul>\n            ';
 o._.forEach(o.emojis_by_category, function (obj, category) { ;
__p += '\n                <li data-category="' +
__e(category) +
'" class="emoji-category ';
 if (o.current_category === category) { ;
__p += ' picked ';
 } ;
__p += '">\n                    <a class="pick-category" href="#" data-category="' +
__e(category) +
'"> ' +
((__t = ( o.transform(o.emojis_by_category[category][0]._shortname) )) == null ? '' : __t) +
' </a>\n                </li>\n            ';
 }); ;
__p += '\n        </ul>\n    </li>\n    <li class="emoji-skintone-picker">\n        <ul>\n            ';
 o._.forEach(o.skintones, function (skintone) { ;
__p += '\n                <li data-skintone="' +
__e(skintone) +
'" class="emoji-skintone ';
 if (o.current_skintone === skintone) { ;
__p += ' picked ';
 } ;
__p += '">\n                    <a class="pick-skintone" href="#" data-skintone="' +
__e(skintone) +
'"> ' +
((__t = ( o.transform(':'+skintone+':') )) == null ? '' : __t) +
' </a>\n                </li>\n            ';
 }); ;
__p += '\n        </ul>\n    </li>\n</ul>\n</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/error_message.html":
/*!******************************************!*\
  !*** ./src/templates/error_message.html ***!
  \******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape;
__p += '<!-- src/templates/error_message.html -->\n<div class="message chat-info chat-error" data-isodate="' +
__e(o.isodate) +
'">' +
__e(o.message) +
'</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/file.html":
/*!*********************************!*\
  !*** ./src/templates/file.html ***!
  \*********************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape;
__p += '<!-- src/templates/file.html -->\n<a target="_blank" rel="noopener" href="' +
__e(o.url) +
'">' +
__e(o.label_download) +
'</a>\n';
return __p
};

/***/ }),

/***/ "./src/templates/file_progress.html":
/*!******************************************!*\
  !*** ./src/templates/file_progress.html ***!
  \******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape;
__p += '<!-- src/templates/file_progress.html -->\n<div class="message chat-msg" data-isodate="' +
__e(o.time) +
'" data-msgid="' +
__e(o.msgid) +
'">\n    <canvas class="avatar chat-msg__avatar" height="36" width="36"></canvas>\n    <div class="chat-msg__content">\n        <span class="chat-msg__text">' +
__e(o.__('Uploading file:')) +
' <strong>' +
__e(o.filename) +
'</strong>, ' +
__e(o.filesize) +
'</span>\n        <progress value="' +
__e(o.progress) +
'"/>\n    </div>\n</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/form_captcha.html":
/*!*****************************************!*\
  !*** ./src/templates/form_captcha.html ***!
  \*****************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/form_captcha.html -->\n';
 if (o.label) { ;
__p += '\n<label>\n    ' +
__e(o.label) +
'\n</label>\n';
 } ;
__p += '\n<img src="data:' +
__e(o.type) +
';base64,' +
__e(o.data) +
'">\n<input name="' +
__e(o.name) +
'" type="text" ';
 if (o.required) { ;
__p += ' class="required" ';
 } ;
__p += ' />\n\n\n';
return __p
};

/***/ }),

/***/ "./src/templates/form_checkbox.html":
/*!******************************************!*\
  !*** ./src/templates/form_checkbox.html ***!
  \******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/form_checkbox.html -->\n<div class="form-group">\n    <input id="' +
__e(o.id) +
'" name="' +
__e(o.name) +
'" type="checkbox" ' +
__e(o.checked) +
' ';
 if (o.required) { ;
__p += ' required ';
 } ;
__p += ' />\n    <label class="form-check-label" for="' +
__e(o.id) +
'">' +
__e(o.label) +
'</label>\n</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/form_input.html":
/*!***************************************!*\
  !*** ./src/templates/form_input.html ***!
  \***************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/form_input.html -->\n<div class="form-group">\n    ';
 if (o.type !== 'hidden') { ;
__p += '\n        <label for="' +
__e(o.id) +
'">' +
__e(o.label) +
'</label>\n    ';
 } ;
__p += '\n    <input class="form-control" name="' +
__e(o.name) +
'" type="' +
__e(o.type) +
'" id="' +
__e(o.id) +
'"\n        ';
 if (o.placeholder) { ;
__p += ' placeholder="' +
__e(o.placeholder) +
'" ';
 } ;
__p += '\n        ';
 if (o.value) { ;
__p += ' value="' +
__e(o.value) +
'" ';
 } ;
__p += '\n        ';
 if (o.required) { ;
__p += ' required ';
 } ;
__p += ' />\n</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/form_select.html":
/*!****************************************!*\
  !*** ./src/templates/form_select.html ***!
  \****************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/form_select.html -->\n<div class="form-group">\n    <label for="' +
__e(o.id) +
'">' +
__e(o.label) +
'</label>\n    <select class="form-control" id="' +
__e(o.id) +
'" name="' +
__e(o.name) +
'" ';
 if (o.multiple) { ;
__p += ' multiple="multiple" ';
 } ;
__p += '>' +
((__t = (o.options)) == null ? '' : __t) +
'</select>\n</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/form_textarea.html":
/*!******************************************!*\
  !*** ./src/templates/form_textarea.html ***!
  \******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape;
__p += '<!-- src/templates/form_textarea.html -->\n<label class="label-ta">' +
__e(o.label) +
'</label>\n<textarea name="' +
__e(o.name) +
'">' +
__e(o.value) +
'</textarea>\n';
return __p
};

/***/ }),

/***/ "./src/templates/form_url.html":
/*!*************************************!*\
  !*** ./src/templates/form_url.html ***!
  \*************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape;
__p += '<!-- src/templates/form_url.html -->\n<label>\n    ' +
__e(o.label) +
'\n    <a class="form-url" target="_blank" rel="noopener" href="' +
__e(o.value) +
'">' +
__e(o.value) +
'</a>\n</label>\n';
return __p
};

/***/ }),

/***/ "./src/templates/form_username.html":
/*!******************************************!*\
  !*** ./src/templates/form_username.html ***!
  \******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/form_username.html -->\n<div class="form-group">\n    ';
 if (o.label) { ;
__p += '\n    <label>\n        ' +
__e(o.label) +
'\n    </label>\n    ';
 } ;
__p += '\n    <div class="input-group">\n        <div class="input-group-prepend">\n            <input name="' +
__e(o.name) +
'" type="' +
__e(o.type) +
'"\n                ';
 if (o.value) { ;
__p += ' value="' +
__e(o.value) +
'" ';
 } ;
__p += '\n                ';
 if (o.required) { ;
__p += ' class="required" ';
 } ;
__p += ' />\n            <div class="input-group-text col" title="' +
__e(o.domain) +
'">' +
__e(o.domain) +
'</div>\n        </div>\n    </div>\n</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/group_header.html":
/*!*****************************************!*\
  !*** ./src/templates/group_header.html ***!
  \*****************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/group_header.html -->\n<a href="#" class="list-toggle group-toggle controlbox-padded" title="' +
__e(o.desc_group_toggle) +
'">\n    <span class="fa ';
 if (o.toggle_state === o._converse.OPENED) { ;
__p += ' fa-caret-down ';
 } else { ;
__p += ' fa-caret-right ';
 } ;
__p += '">\n    </span> ' +
__e(o.label_group) +
'</a>\n<ul class="items-list roster-group-contacts ';
 if (o.toggle_state === o._converse.CLOSED) { ;
__p += ' collapsed ';
 } ;
__p += '"></ul>\n';
return __p
};

/***/ }),

/***/ "./src/templates/help_message.html":
/*!*****************************************!*\
  !*** ./src/templates/help_message.html ***!
  \*****************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/help_message.html -->\n<div class="message chat-info ';
 if (o.type !== 'info') { ;
__p += ' chat-' +
__e(o.type) +
' ';
 } ;
__p += '" data-isodate="' +
__e(o.isodate) +
'">' +
((__t = (o.message)) == null ? '' : __t) +
'</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/image.html":
/*!**********************************!*\
  !*** ./src/templates/image.html ***!
  \**********************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape;
__p += '<!-- src/templates/image.html -->\n<a href="' +
__e(o.url) +
'" target="_blank" rel="noopener"><img class="chat-image img-thumbnail" src="' +
__e(o.url) +
'"/></a>\n';
return __p
};

/***/ }),

/***/ "./src/templates/info.html":
/*!*********************************!*\
  !*** ./src/templates/info.html ***!
  \*********************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/info.html -->\n';
 if (o.render_message) { ;
__p += '\n    <!-- XXX: Should only ever be rendered if the message text has been sanitized already -->\n    <div class="message chat-info ' +
__e(o.extra_classes) +
'"\n        data-isodate="' +
__e(o.isodate) +
'" ';
 if (o.data_name) { ;
__p += ' data-' +
__e(o.data_name) +
'="' +
__e(o.data_value) +
'"';
 } ;
__p += '>' +
((__t = (o.message)) == null ? '' : __t) +
'</div>\n';
 } else { ;
__p += '\n    <div class="message chat-info ' +
__e(o.extra_classes) +
'"\n        data-isodate="' +
__e(o.isodate) +
'" ';
 if (o.data_name) { ;
__p += ' data-' +
__e(o.data_name) +
'="' +
__e(o.data_value) +
'"';
 } ;
__p += '>' +
__e(o.message) +
'</div>\n';
 } ;
__p += '\n';
return __p
};

/***/ }),

/***/ "./src/templates/inverse_brand_heading.html":
/*!**************************************************!*\
  !*** ./src/templates/inverse_brand_heading.html ***!
  \**************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape;
__p += '<!-- src/templates/inverse_brand_heading.html -->\n<div class="row">\n    <div class="container brand-heading-container">\n        <h1 class="brand-heading brand-heading--inverse">\n            <svg class="converse-svg-logo"\n                xmlns:svg="http://www.w3.org/2000/svg"\n                xmlns="http://www.w3.org/2000/svg"\n                xmlns:xlink="http://www.w3.org/1999/xlink"\n                viewBox="0 0 364 364">\n                <title>Converse</title>\n                <g class="cls-1" id="g904">\n                    <g data-name="Layer 2">\n                        <g data-name="Layer 7">\n                            <path\n                                class="cls-3"\n                                d="M221.46,103.71c0,18.83-29.36,18.83-29.12,0C192.1,84.88,221.46,84.88,221.46,103.71Z" />\n                            <path\n                                class="cls-4"\n                                d="M179.9,4.15A175.48,175.48,0,1,0,355.38,179.63,175.48,175.48,0,0,0,179.9,4.15Zm-40.79,264.5c-.23-17.82,27.58-17.82,27.58,0S138.88,286.48,139.11,268.65ZM218.6,168.24A79.65,79.65,0,0,1,205.15,174a12.76,12.76,0,0,0-6.29,4.65L167.54,222a1.36,1.36,0,0,1-2.46-.8v-35.8a2.58,2.58,0,0,0-3.06-2.53c-15.43,3-30.23,7.7-42.73,19.94-38.8,38-29.42,105.69,16.09,133.16a162.25,162.25,0,0,1-91.47-67.27C-3.86,182.26,34.5,47.25,138.37,25.66c46.89-9.75,118.25,5.16,123.73,62.83C265.15,120.64,246.56,152.89,218.6,168.24Z" />\n                        </g>\n                    </g>\n                </g>\n            </svg>\n            <span class="brand-name">\n                <span class="brand-name__text">converse<span class="subdued">.js</span></span>\n                <p class="byline">messaging freedom</p>\n            </span>\n        </h1>\n        <p class="brand-subtitle">' +
__e(o.version_name) +
'</p>\n        <p class="brand-subtitle"><a target="_blank" rel="nofollow" href="https://conversejs.org">Open Source</a> XMPP chat client brought to you by <a target="_blank" rel="nofollow" href="https://opkode.com">Opkode</a> </p>\n        <p class="brand-subtitle"><a target="_blank" rel="nofollow" href="https://hosted.weblate.org/projects/conversejs/#languages">Translate</a> it into your own language</p>\n    </div>\n</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/list_chatrooms_modal.html":
/*!*************************************************!*\
  !*** ./src/templates/list_chatrooms_modal.html ***!
  \*************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape;
__p += '<!-- src/templates/list_chatrooms_modal.html -->\n<div class="modal fade" id="list-chatrooms-modal" tabindex="-1" role="dialog" aria-labelledby="list-chatrooms-modal-label" aria-hidden="true">\n    <div class="modal-dialog" role="document">\n        <div class="modal-content">\n            <div class="modal-header">\n                <h5 class="modal-title"\n                    id="list-chatrooms-modal-label">' +
__e(o.heading_list_chatrooms) +
'</h5>\n                <button type="button" class="close" data-dismiss="modal" aria-label="Close">\n                    <span aria-hidden="true">×</span>\n                </button>\n            </div>\n            <div class="modal-body">\n                <form class="converse-form list-chatrooms">\n                    <div class="form-group">\n                        <label for="chatroom">' +
__e(o.label_server_address) +
':</label>\n                        <input type="text" value="' +
__e(o.muc_domain) +
'" required="required" name="server" class="form-control" placeholder="' +
__e(o.server_placeholder) +
'"/>\n                    </div>\n                    <input type="submit" class="btn btn-primary" name="join" value="' +
__e(o.label_query) +
'"/>\n                </form>\n                <ul class="available-chatrooms list-group"></ul>\n            </div>\n        </div>\n    </div>\n</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/login_panel.html":
/*!****************************************!*\
  !*** ./src/templates/login_panel.html ***!
  \****************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/login_panel.html -->\n<div id="converse-login-panel" class="controlbox-pane fade-in row no-gutters">\n    <form id="converse-login" class="converse-form" method="post">\n        <div class="conn-feedback fade-in ';
 if (!o.conn_feedback_subject) { ;
__p += ' hidden ';
 } ;
__p += ' ' +
__e(o.conn_feedback_class) +
'">\n            <p class="feedback-subject">' +
__e( o.conn_feedback_subject ) +
'</p>\n            <p class="feedback-message ';
 if (!o.conn_feedback_message) { ;
__p += ' hidden ';
 } ;
__p += '">' +
__e(o.conn_feedback_message) +
'</p>\n        </div>\n        ';
 if (o.auto_login || o._converse.CONNECTION_STATUS[o.connection_status] === 'CONNECTING') { ;
__p += '\n            <span class="spinner fa fa-spinner centered"/>\n        ';
 } else { ;
__p += '\n            ';
 if (o.authentication == o.LOGIN || o.authentication == o.EXTERNAL) { ;
__p += '\n                <div class="form-group">\n                    <label for="converse-login-jid">' +
__e(o.__("XMPP Username:")) +
'</label>\n                    <input id="converse-login-jid" class="form-control" autofocus required="required" type="text" name="jid" placeholder="' +
__e(o.placeholder_username) +
'"/>\n                </div>\n                ';
 if (o.authentication !== o.EXTERNAL) { ;
__p += '\n                <div class="form-group">\n                    <label for="converse-login-password">' +
__e(o.__("Password:")) +
'</label>\n                    <input id="converse-login-password" class="form-control" required="required" type="password" name="password" placeholder="' +
__e(o.__('password')) +
'"/>\n                </div>\n                ';
 } ;
__p += '\n                ';
 if (o.show_trust_checkbox) { ;
__p += '\n                    <div class="form-group form-check login-trusted">\n                        <input id="converse-login-trusted" type="checkbox" class="form-check-input" name="trusted" ';
 if (o._converse.config.get('trusted')) { ;
__p += ' checked="checked" ';
 } ;
__p += '/>\n                        <label for="converse-login-trusted" class="form-check-label login-trusted__desc">' +
__e(o.__('This is a trusted device')) +
'</label>\n                        <i class="fa fa-info-circle" data-toggle="popover"\n                           data-title="Trusted device?"\n                           data-content="' +
__e(o.__('To improve performance, we cache your data in this browser. Uncheck this box if this is a public computer or if you want your data to be deleted when you log out. It\'s important that you explicitly log out, otherwise not all cached data might be deleted. Please note, when using an untrusted device, OMEMO encryption is NOT available.')) +
'"></i>\n                    </div>\n                ';
 } ;
__p += '\n\n                <fieldset class="buttons">\n                    <input class="btn btn-primary" type="submit" value="' +
__e(o.__('Log in')) +
'"/>\n                </fieldset>\n            ';
 } ;
__p += '\n            ';
 if (o.authentication == o.ANONYMOUS) { ;
__p += '\n                <input class="btn btn-primary login-anon" type="submit" value="' +
__e(o.__('Click here to log in anonymously')) +
'"/>\n            ';
 } ;
__p += '\n            ';
 if (o.authentication == o.PREBIND) { ;
__p += '\n                <p>Disconnected.</p>\n            ';
 } ;
__p += '\n        ';
 } ;
__p += '\n    </form>\n</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/message.html":
/*!************************************!*\
  !*** ./src/templates/message.html ***!
  \************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/message.html -->\n<div class="message chat-msg ' +
__e(o.type) +
' ';
 if (o.is_me_message) { ;
__p += ' chat-msg--action ';
 } ;
__p += ' ' +
__e(o.extra_classes) +
'"\n        data-isodate="' +
__e(o.time) +
'" data-msgid="' +
__e(o.msgid) +
'" data-from="' +
__e(o.from) +
'" data-encrypted="' +
__e(o.is_encrypted) +
'">\n    ';
 if (o.type !== 'headline' && !o.is_me_message) { ;
__p += '\n    <canvas class="avatar chat-msg__avatar" height="36" width="36"></canvas>\n    ';
 } ;
__p += '\n    <div class="chat-msg__content ';
 if (o.is_me_message) { ;
__p += 'chat-msg__content--action';
 } ;
__p += '">\n        <span class="chat-msg__heading">\n            ';
 if (o.is_me_message) { ;
__p += '<time timestamp="' +
__e(o.isodate) +
'" class="chat-msg__time">' +
__e(o.pretty_time) +
'</time>';
 } ;
__p += '\n            <span class="chat-msg__author chat-msg__' +
__e(o.sender) +
'">';
 if (o.is_me_message) { ;
__p += '**';
 }; ;
__p +=
__e(o.username) +
'</span>\n            ';
 if (!o.is_me_message) { ;
__p += '\n                ';
o.roles.forEach(function (role) { ;
__p += ' <span class="badge badge-secondary">' +
__e(role) +
'</span> ';
 }); ;
__p += '\n                <time timestamp="' +
__e(o.isodate) +
'" class="chat-msg__time">' +
__e(o.pretty_time) +
'</time>\n            ';
 } ;
__p += '\n            ';
 if (o.is_encrypted) { ;
__p += '<span class="fa fa-lock"></span>';
 } ;
__p += '\n        </span>\n        ';
 if (!o.is_me_message) { ;
__p += '<div class="chat-msg__body">';
 } ;
__p += '\n            ';
 if (o.received) { ;
__p += ' <span class="fa fa-check chat-msg__receipt"></span> ';
 } ;
__p += '\n            ';
 if (o.edited) { ;
__p += ' <i title="' +
__e(o.__('This message has been edited')) +
'" class="fa fa-edit chat-msg__edit-modal"></i> ';
 } ;
__p += '\n            ';
 if (!o.is_me_message) { ;
__p += '<div class="chat-msg__message">';
 } ;
__p += '\n                ';
 if (o.is_spoiler) { ;
__p += '\n                    <div class="chat-msg__spoiler-hint">\n                        <span class="spoiler-hint">' +
__e(o.spoiler_hint) +
'</span>\n                        <a class="badge badge-info spoiler-toggle" data-toggle-state="closed" href="#"><i class="fa fa-eye"></i>' +
__e(o.label_show) +
'</a>\n                    </div>\n                ';
 } ;
__p += '\n                <div class="chat-msg__text';
 if (o.is_spoiler) { ;
__p += ' spoiler collapsed';
 } ;
__p += '"><!-- message gets added here via renderMessage --></div>\n                <div class="chat-msg__media"></div>\n            ';
 if (!o.is_me_message) { ;
__p += '</div>';
 } ;
__p += '\n            ';
 if (o.type !== 'headline' && !o.is_me_message && o.sender === 'me') { ;
__p += '\n            <div class="chat-msg__actions">\n                <button class="chat-msg__action chat-msg__action-edit fa fa-pencil-alt" title="' +
__e(o.__('Edit this message')) +
'"></button>\n            </div>\n            ';
 } ;
__p += '\n\n        ';
 if (!o.is_me_message) { ;
__p += '</div>';
 } ;
__p += '\n    </div>\n</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/message_versions_modal.html":
/*!***************************************************!*\
  !*** ./src/templates/message_versions_modal.html ***!
  \***************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/message_versions_modal.html -->\n<div class="modal fade" id="message-versions-modal" tabindex="-1" role="dialog" aria-labelledby="message-versions-modal-label" aria-hidden="true">\n    <div class="modal-dialog" role="document">\n        <div class="modal-content">\n            <div class="modal-header">\n                <h4 class="modal-title" id="message-versions-modal-label">' +
__e(o.__('Message versions')) +
'</h4>\n                <button type="button" class="close" data-dismiss="modal" aria-label="' +
__e(o.label_close) +
'"><span aria-hidden="true">×</span></button>\n            </div>\n            <div class="modal-body">\n                <h4>Older versions</h4>\n                ';
o.older_versions.forEach(function (text) { ;
__p += ' <p class="older-msg">' +
__e(text) +
'</p> ';
 }); ;
__p += '\n                <hr/>\n                <h4>Current version</h4>\n                <p>' +
__e(o.message) +
'</p>\n            </div>\n            <div class="modal-footer">\n                <button type="button" class="btn btn-secondary" data-dismiss="modal">' +
__e(o.__('Close')) +
'</button>\n            </div>\n        </div>\n    </div>\n</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/new_day.html":
/*!************************************!*\
  !*** ./src/templates/new_day.html ***!
  \************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape;
__p += '<!-- src/templates/new_day.html -->\n<div class="message date-separator" data-isodate="' +
__e(o.isodate) +
'">\n    <hr class="separator"/>\n    <time class="separator-text" datetime="' +
__e(o.isodate) +
'"><span>' +
__e(o.datestring) +
'</span></time>\n</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/occupant.html":
/*!*************************************!*\
  !*** ./src/templates/occupant.html ***!
  \*************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/occupant.html -->\n<li class="occupant" id="' +
__e( o.id ) +
'"\n    ';
 if (o.role === "moderator") { ;
__p += '\n       title="' +
__e( o.jid ) +
' ' +
__e( o.desc_moderator ) +
' ' +
__e( o.hint_occupant ) +
'"\n    ';
 } ;
__p += '\n    ';
 if (o.role === "participant") { ;
__p += '\n       title="' +
__e( o.jid ) +
' ' +
__e( o.desc_participant ) +
' ' +
__e( o.hint_occupant ) +
'"\n    ';
 } ;
__p += '\n    ';
 if (o.role === "visitor") { ;
__p += '\n       title="' +
__e( o.jid ) +
' ' +
__e( o.desc_visitor ) +
' ' +
__e( o.hint_occupant ) +
'"\n    ';
 } ;
__p += '\n    ';
 if (!o._.includes(["visitor", "participant", "moderator"], o.role)) { ;
__p += '\n       title="' +
__e( o.jid ) +
' ' +
__e( o.hint_occupant ) +
'"\n    ';
 } ;
__p += '>\n    <div class="row no-gutters">\n        <div class="col-auto">\n            <div class="occupant-status occupant-' +
__e(o.show) +
' circle" title="' +
__e(o.hint_show) +
'"></div>\n        </div>\n        <div class="col occupant-nick-badge">\n            <span class="occupant-nick">' +
__e(o.nick || o.jid) +
'</span>\n            <span class="occupant-badges">\n                ';
 if (o.affiliation === "owner") { ;
__p += '\n                    <span class="badge badge-groupchat">' +
__e(o.label_owner) +
'</span>\n                ';
 } ;
__p += '\n                ';
 if (o.affiliation === "admin") { ;
__p += '\n                    <span class="badge badge-info">' +
__e(o.label_admin) +
'</span>\n                ';
 } ;
__p += '\n                ';
 if (o.affiliation === "member") { ;
__p += '\n                    <span class="badge badge-info">' +
__e(o.label_member) +
'</span>\n                ';
 } ;
__p += '\n\n                ';
 if (o.role === "moderator") { ;
__p += '\n                    <span class="badge badge-info">' +
__e(o.label_moderator) +
'</span>\n                ';
 } ;
__p += '\n                ';
 if (o.role === "visitor") { ;
__p += '\n                    <span class="badge badge-secondary">' +
__e(o.label_visitor) +
'</span>\n                ';
 } ;
__p += '\n            </span>\n        </div>\n    </div>\n</li>\n';
return __p
};

/***/ }),

/***/ "./src/templates/pending_contact.html":
/*!********************************************!*\
  !*** ./src/templates/pending_contact.html ***!
  \********************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/pending_contact.html -->\n';
 if (o.allow_chat_pending_contacts)  { ;
__p += '\n<a class="list-item-link open-chat w-100" href="#">\n';
 } ;
__p += '\n<span class="pending-contact-name" title="JID: ' +
__e(o.jid) +
'">' +
__e(o.display_name) +
'</span> \n';
 if (o.allow_chat_pending_contacts)  { ;
__p += '</a>';
 } ;
__p += '\n<a class="list-item-action remove-xmpp-contact far fa-trash-alt" title="' +
__e(o.desc_remove) +
'" href="#"></a>\n';
return __p
};

/***/ }),

/***/ "./src/templates/profile_modal.html":
/*!******************************************!*\
  !*** ./src/templates/profile_modal.html ***!
  \******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/profile_modal.html -->\n<div class="modal fade" id="user-profile-modal" tabindex="-1" role="dialog" aria-labelledby="user-profile-modal-label" aria-hidden="true">\n    <div class="modal-dialog" role="document">\n        <div class="modal-content">\n            <div class="modal-header">\n                <h5 class="modal-title" id="user-profile-modal-label">' +
__e(o.heading_profile) +
'</h5>\n                <button type="button" class="close" data-dismiss="modal" aria-label="' +
__e(o.label_close) +
'"><span aria-hidden="true">×</span></button>\n            </div>\n            <div class="modal-body">\n                ';
 if (o._converse.pluggable.plugins['converse-omemo'].enabled(o._converse)) { ;
__p += '\n                <ul class="nav nav-pills justify-content-center">\n                    <li role="presentation" class="nav-item">\n                        <a class="nav-link active" id="profile-tab" href="#profile-tabpanel" aria-controls="profile-tabpanel" role="tab" data-toggle="tab">Profile</a>\n                    </li>\n                    <li role="presentation" class="nav-item">\n                        <a class="nav-link" id="omemo-tab" href="#omemo-tabpanel" aria-controls="omemo-tabpanel" role="tab" data-toggle="tab">OMEMO</a>\n                    </li>\n                </ul>\n                ';
 } ;
__p += '\n                <div class="tab-content">\n                    <div class="tab-pane fade show active" id="profile-tabpanel" role="tabpanel" aria-labelledby="profile-tab">\n                        <form class="converse-form converse-form--modal profile-form" action="#">\n                            <div class="row">\n                                <div class="col-auto">\n                                    <a class="change-avatar" href="#">\n                                        ';
 if (o.image) { ;
__p += '\n                                            <img alt="' +
__e(o.alt_avatar) +
'" class="img-thumbnail avatar align-self-center" height="100px" width="100px" src="data:' +
__e(o.image_type) +
';base64,' +
__e(o.image) +
'"/>\n                                        ';
 } ;
__p += '\n                                        ';
 if (!o.image) { ;
__p += '\n                                            <canvas class="avatar" height="100px" width="100px"></canvas>\n                                        ';
 } ;
__p += '\n                                    </a>\n                                    <input class="hidden" name="image" type="file"/>\n                                </div>\n                                <div class="col">\n                                    <div class="form-group">\n                                        <label class="col-form-label">' +
__e(o.label_jid) +
':</label>\n                                        <div>' +
__e(o.jid) +
'</div>\n                                    </div>\n                                </div>\n                            </div>\n                            <div class="form-group">\n                                <label for="vcard-fullname" class="col-form-label">' +
__e(o.label_fullname) +
':</label>\n                                <input id="vcard-fullname" type="text" class="form-control" name="fn" value="' +
__e(o.fullname) +
'"/>\n                            </div>\n                            <div class="form-group">\n                                <label for="vcard-nickname" class="col-form-label">' +
__e(o.label_nickname) +
':</label>\n                                <input id="vcard-nickname" type="text" class="form-control" name="nickname" value="' +
__e(o.nickname) +
'"/>\n                            </div>\n                            <div class="form-group">\n                                <label for="vcard-url" class="col-form-label">' +
__e(o.label_url) +
':</label>\n                                <input id="vcard-url" type="url" class="form-control" name="url" value="' +
__e(o.url) +
'"/>\n                            </div>\n                            <div class="form-group">\n                                <label for="vcard-email" class="col-form-label">' +
__e(o.label_email) +
':</label>\n                                <input id="vcard-email" type="email" class="form-control" name="email" value="' +
__e(o.email) +
'"/>\n                            </div>\n                            <div class="form-group">\n                                <label for="vcard-role" class="col-form-label">' +
__e(o.label_role) +
':</label>\n                                <input id="vcard-role" type="text" class="form-control" name="role" value="' +
__e(o.role) +
'" aria-describedby="vcard-role-help"/>\n                                <small id="vcard-role-help" class="form-text text-muted">' +
__e(o.label_role_help) +
'</small>\n                            </div>\n                            <hr/>\n                            <div class="form-group">\n                                <button type="submit" class="save-form btn btn-primary">' +
__e(o.__('Save and close')) +
'</button>\n                            </div>\n                        </form>\n                    </div>\n                    ';
 if (o._converse.pluggable.plugins['converse-omemo'].enabled(o._converse)) { ;
__p += '\n                        <div class="tab-pane fade" id="omemo-tabpanel" role="tabpanel" aria-labelledby="omemo-tab">\n                            <form class="converse-form fingerprint-removal">\n                                <ul class="list-group fingerprints">\n                                    <li class="list-group-item active">' +
__e(o.__("This device's OMEMO fingerprint")) +
'</li>\n                                    <li class="list-group-item">\n                                    ';
 if (o.view.current_device && o.view.current_device.get('bundle') && o.view.current_device.get('bundle').fingerprint) { ;
__p += '\n                                        <span class="fingerprint">' +
__e(o.utils.formatFingerprint(o.view.current_device.get('bundle').fingerprint)) +
'</span>\n                                    ';
 } else {;
__p += '\n                                        <span class="spinner fa fa-spinner centered"/>\n                                    ';
 } ;
__p += '\n                                    </li>\n                                </ul>\n                                <div class="form-group">\n                                    <button type="button" class="generate-bundle btn btn-danger">' +
__e(o.__('Generate new keys and fingerprint')) +
'</button>\n                                </div>\n\n                                ';
 if (o.view.other_devices.length) { ;
__p += '\n                                    <ul class="list-group fingerprints">\n                                        <li class="list-group-item nopadding active">\n                                            <label>\n                                            <input type="checkbox" class="select-all" title="' +
__e(o.__('Select all')) +
'"\n                                                   aria-label="' +
__e(o.__('Checkbox to select fingerprints of all other OMEMO devices')) +
'"/>\n                                            ' +
__e(o.__('Other OMEMO-enabled devices')) +
'\n                                            </label>\n                                        </li>\n                                        ';
 o._.forEach(o.view.other_devices, function (device) { ;
__p += '\n                                            ';
 if (device.get('bundle') && device.get('bundle').fingerprint) { ;
__p += '\n                                            <li class="fingerprint-removal-item list-group-item nopadding">\n                                                <label>\n                                                <input type="checkbox" value="' +
__e(device.get('id')) +
'"\n                                                       aria-label="' +
__e(o.__('Checkbox for selecting the following fingerprint')) +
'"/>\n                                                <span class="fingerprint">' +
__e(o.utils.formatFingerprint(device.get('bundle').fingerprint)) +
'</span>\n                                                </label>\n                                            </li>\n                                            ';
 } else {;
__p += '\n                                            <li class="fingerprint-removal-item list-group-item nopadding">\n                                                <label>\n                                                <input type="checkbox" value="' +
__e(device.get('id')) +
'"\n                                                       aria-label="' +
__e(o.__('Checkbox for selecting the following fingerprint')) +
'"/>\n                                                <span>' +
__e(o.__('Device without a fingerprint')) +
'</span>\n                                                </label>\n                                            </li>\n                                            ';
 } ;
__p += '\n                                        ';
 }); ;
__p += '\n                                    </ul>\n                                    <div class="form-group">\n                                        <button type="submit" class="save-form btn btn-primary">' +
__e(o.__('Remove checked devices and close')) +
'</button>\n                                    </div>\n                                ';
 } ;
__p += '\n                            </form>\n                        </div>\n                    ';
 } ;
__p += '\n                </div>\n            </div>\n        </div>\n    </div>\n</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/profile_view.html":
/*!*****************************************!*\
  !*** ./src/templates/profile_view.html ***!
  \*****************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/profile_view.html -->\n<div class="userinfo controlbox-padded">\n<div class="controlbox-section profile d-flex">\n    <a class="show-profile" href="#">\n        <canvas class="avatar align-self-center" height="40" width="40"></canvas>\n    </a>\n    <span class="username w-100 align-self-center">' +
__e(o.fullname) +
'</span>\n    <a class="controlbox-heading__btn show-client-info fa fa-info-circle align-self-center" title="' +
__e(o.info_details) +
'"></a>\n    ';
 if (o._converse.allow_logout) { ;
__p += '\n        <a class="controlbox-heading__btn logout fa fa-sign-out-alt align-self-center" title="' +
__e(o.title_log_out) +
'"></a>\n    ';
 } ;
__p += '\n</div>\n<div class="d-flex xmpp-status">\n    <span class="' +
__e(o.chat_status) +
' w-100 align-self-center" data-value="' +
__e(o.chat_status) +
'">\n        <span class="\n            ';
 if (o.chat_status === 'online') { ;
__p += ' fa fa-circle chat-status chat-status--online';
 } ;
__p += '\n            ';
 if (o.chat_status === 'dnd') { ;
__p += ' fa fa-minus-circle chat-status chat-status--busy ';
 } ;
__p += '\n            ';
 if (o.chat_status === 'away') { ;
__p += ' fa fa-circle chat-status chat-status--away';
 } ;
__p += '\n            ';
 if (o.chat_status === 'xa') { ;
__p += ' far fa-circle chat-status chat-status--xa ';
 } ;
__p += '\n            ';
 if (o.chat_status === 'offline') { ;
__p += ' fa fa-circle chat-status chat-status--offline';
 } ;
__p += '"></span> ' +
__e(o.status_message) +
'</span>\n    <a class="controlbox-heading__btn change-status fa fa-pencil-alt" title="' +
__e(o.title_change_status) +
'" data-toggle="modal" data-target="#changeStatusModal"></a>\n</div>\n</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/register_link.html":
/*!******************************************!*\
  !*** ./src/templates/register_link.html ***!
  \******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/register_link.html -->\n<fieldset class="switch-form">\n    ';
 if (!o._converse.auto_login && o._converse.CONNECTION_STATUS[o.connection_status] !== 'CONNECTING') { ;
__p += '\n        <p>' +
__e( o.__("Don't have a chat account?") ) +
'</p>\n        <p><a class="register-account toggle-register-login" href="#converse/register">' +
__e(o.__("Create an account")) +
'</a></p>\n    ';
 } ;
__p += '\n</fieldset>\n';
return __p
};

/***/ }),

/***/ "./src/templates/register_panel.html":
/*!*******************************************!*\
  !*** ./src/templates/register_panel.html ***!
  \*******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/register_panel.html -->\n<div>\n    <form id="converse-register" class="converse-form">\n        <legend class="col-form-label">' +
__e(o.__("Create your account")) +
'</legend>\n\n        <div class="form-group">\n            <label>' +
__e(o.__("Please enter the XMPP provider to register with:")) +
'</label>\n            <div class="form-errors hidden"></div>\n\n            ';
 if (o.default_domain) { ;
__p += '\n                ' +
__e(o.default_domain) +
'\n            </div>\n            ';
 } else { ;
__p += '\n                <input class="form-control" autofocus="autofocus" required="required" type="text" name="domain" placeholder="' +
__e(o.domain_placeholder) +
'"/>\n                <p class="form-text text-muted">' +
__e(o.help_providers) +
' <a href="' +
__e(o.href_providers) +
'" class="url" target="_blank" rel="noopener">' +
__e(o.help_providers_link) +
'</a>.</p>\n            </div>\n            <fieldset class="buttons">\n                <input class="btn btn-primary" type="submit" value="' +
__e(o.label_register) +
'"/>\n                <div class="switch-form">\n                    <p>' +
__e( o.__("Already have a chat account?") ) +
'</p>\n                    <p><a class="login-here toggle-register-login" href="#converse/login">' +
__e(o.__("Log in here")) +
'</a></p>\n                </div>\n            </fieldset>\n            ';
 } ;
__p += '\n        <!--</div>-->\n    </form>\n</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/registration_form.html":
/*!**********************************************!*\
  !*** ./src/templates/registration_form.html ***!
  \**********************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/registration_form.html -->\n<legend class="col-form-label">' +
__e(o.__("Account Registration:")) +
' ' +
__e(o.domain) +
'</legend>\n<p class="title">' +
__e(o.title) +
'</p>\n<p class="form-help instructions">' +
__e(o.instructions) +
'</p>\n<div class="form-errors hidden"></div>\n\n<fieldset class="buttons">\n    <input type="submit" class="btn btn-primary" value="' +
__e(o.__('Register')) +
'"/>\n    ';
 if (!o.registration_domain) { ;
__p += '\n        <input type="button" class="btn btn-secondary button-cancel" value="' +
__e(o.__('Choose a different provider')) +
'"/>\n    ';
 } ;
__p += '\n    <div class="switch-form">\n        <p>' +
__e( o.__("Already have a chat account?") ) +
'</p>\n        <p><a class="login-here toggle-register-login" href="#converse/login">' +
__e(o.__("Log in here")) +
'</a></p>\n    </div>\n</fieldset>\n';
return __p
};

/***/ }),

/***/ "./src/templates/registration_request.html":
/*!*************************************************!*\
  !*** ./src/templates/registration_request.html ***!
  \*************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/registration_request.html -->\n<span class="spinner login-submit fa fa-spinner"></span>\n<p class="info">' +
__e(o.__("Hold tight, we're fetching the registration form…")) +
'</p>\n';
 if (o.cancel) { ;
__p += '\n    <button class="btn btn-secondary button-cancel hor_centered">' +
__e(o.__('Cancel')) +
'</button>\n';
 } ;
__p += '\n';
return __p
};

/***/ }),

/***/ "./src/templates/requesting_contact.html":
/*!***********************************************!*\
  !*** ./src/templates/requesting_contact.html ***!
  \***********************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/requesting_contact.html -->\n';
 if (o.allow_chat_pending_contacts)  { ;
__p += '\n<a class="open-chat w-100"href="#">\n';
 } ;
__p += '\n<span class="req-contact-name w-100" title="JID: ' +
__e(o.jid) +
'">' +
__e(o.display_name) +
'</span>\n';
 if (o.allow_chat_pending_contacts)  { ;
__p += '\n</a>\n';
 } ;
__p += '\n<a class="accept-xmpp-request list-item-action list-item-action--visible fa fa-check"\n   aria-label="' +
__e(o.desc_accept) +
'" title="' +
__e(o.desc_accept) +
'" href="#"></a>\n<a class="decline-xmpp-request list-item-action list-item-action--visible  fa fa-times"\n   aria-label="' +
__e(o.desc_decline) +
'" title="' +
__e(o.desc_decline) +
'" href="#"></a>\n';
return __p
};

/***/ }),

/***/ "./src/templates/room_description.html":
/*!*********************************************!*\
  !*** ./src/templates/room_description.html ***!
  \*********************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/room_description.html -->\n<!-- FIXME: check markup in mockup -->\n<div class="room-info">\n<p class="room-info"><strong>' +
__e(o.label_jid) +
'</strong> ' +
__e(o.jid) +
'</p>\n<p class="room-info"><strong>' +
__e(o.label_desc) +
'</strong> ' +
__e(o.desc) +
'</p>\n<p class="room-info"><strong>' +
__e(o.label_occ) +
'</strong> ' +
__e(o.occ) +
'</p>\n<p class="room-info"><strong>' +
__e(o.label_features) +
'</strong>\n    <ul>\n        ';
 if (o.passwordprotected) { ;
__p += '\n        <li class="room-info locked">' +
__e(o.label_requires_auth) +
'</li>\n        ';
 } ;
__p += '\n        ';
 if (o.hidden) { ;
__p += '\n        <li class="room-info">' +
__e(o.label_hidden) +
'</li>\n        ';
 } ;
__p += '\n        ';
 if (o.membersonly) { ;
__p += '\n        <li class="room-info">' +
__e(o.label_requires_invite) +
'</li>\n        ';
 } ;
__p += '\n        ';
 if (o.moderated) { ;
__p += '\n        <li class="room-info">' +
__e(o.label_moderated) +
'</li>\n        ';
 } ;
__p += '\n        ';
 if (o.nonanonymous) { ;
__p += '\n        <li class="room-info">' +
__e(o.label_non_anon) +
'</li>\n        ';
 } ;
__p += '\n        ';
 if (o.open) { ;
__p += '\n        <li class="room-info">' +
__e(o.label_open_room) +
'</li>\n        ';
 } ;
__p += '\n        ';
 if (o.persistent) { ;
__p += '\n        <li class="room-info">' +
__e(o.label_permanent_room) +
'</li>\n        ';
 } ;
__p += '\n        ';
 if (o.publicroom) { ;
__p += '\n        <li class="room-info">' +
__e(o.label_public) +
'</li>\n        ';
 } ;
__p += '\n        ';
 if (o.semianonymous) { ;
__p += '\n        <li class="room-info">' +
__e(o.label_semi_anon) +
'</li>\n        ';
 } ;
__p += '\n        ';
 if (o.temporary) { ;
__p += '\n        <li class="room-info">' +
__e(o.label_temp_room) +
'</li>\n        ';
 } ;
__p += '\n        ';
 if (o.unmoderated) { ;
__p += '\n        <li class="room-info">' +
__e(o.label_unmoderated) +
'</li>\n        ';
 } ;
__p += '\n    </ul>\n</p>\n</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/room_item.html":
/*!**************************************!*\
  !*** ./src/templates/room_item.html ***!
  \**************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape;
__p += '<!-- src/templates/room_item.html -->\n<li class="room-item list-group-item">\n  <div class="available-chatroom d-flex flex-row">\n    <a class="open-room available-room w-100"\n       data-room-jid="' +
__e(o.jid) +
'"\n       data-room-name="' +
__e(o.name) +
'"\n       title="' +
__e(o.open_title) +
'"\n       href="#">' +
__e(o.name) +
'</a>\n    <a class="right room-info icon-room-info"\n       data-room-jid="' +
__e(o.jid) +
'"\n       title="' +
__e(o.info_title) +
'" href="#"></a>\n  </div>\n</li>\n';
return __p
};

/***/ }),

/***/ "./src/templates/room_panel.html":
/*!***************************************!*\
  !*** ./src/templates/room_panel.html ***!
  \***************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape;
__p += '<!-- src/templates/room_panel.html -->\n<!-- <div id="chatrooms"> -->\n<div class="d-flex controlbox-padded">\n    <span class="w-100 controlbox-heading controlbox-heading--groupchats">' +
__e(o.heading_chatrooms) +
'</span>\n    <a class="controlbox-heading__btn show-list-muc-modal fa fa-list-ul" title="' +
__e(o.title_list_rooms) +
'" data-toggle="modal" data-target="#list-chatrooms-modal"></a>\n    <a class="controlbox-heading__btn show-add-muc-modal fa fa-plus" title="' +
__e(o.title_new_room) +
'" data-toggle="modal" data-target="#add-chatrooms-modal"></a>\n</div>\n<div class="list-container open-rooms-list rooms-list-container"></div>\n<div class="list-container bookmarks-list rooms-list-container"></div>\n<!-- </div> -->\n';
return __p
};

/***/ }),

/***/ "./src/templates/rooms_list.html":
/*!***************************************!*\
  !*** ./src/templates/rooms_list.html ***!
  \***************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/rooms_list.html -->\n<a href="#" class="list-toggle open-rooms-toggle controlbox-padded" title="' +
__e(o.desc_rooms) +
'">\n    <span class="fa ';
 if (o.toggle_state === o._converse.OPENED) { ;
__p += ' fa-caret-down ';
 } else { ;
__p += ' fa-caret-right ';
 } ;
__p += '">\n    </span> ' +
__e(o.label_rooms) +
'</a>\n<div class="items-list rooms-list open-rooms-list"></div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/rooms_list_item.html":
/*!********************************************!*\
  !*** ./src/templates/rooms_list_item.html ***!
  \********************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/rooms_list_item.html -->\n<div class="list-item controlbox-padded available-chatroom d-flex flex-row\n    ';
 if (o.currently_open) { ;
__p += ' open ';
 } ;
__p += '\n    ';
 if (o.num_unread_general) { ;
__p += ' unread-msgs ';
 } ;
__p += '"\n    data-room-jid="' +
__e(o.jid) +
'">\n\n';
 if (o.num_unread) { ;
__p += '\n    <span class="list-item-badge badge badge-room-color msgs-indicator">' +
__e( o.num_unread ) +
'</span>\n';
 } ;
__p += '\n<a class="list-item-link open-room available-room w-100"\n    data-room-jid="' +
__e(o.jid) +
'"\n    title="' +
__e(o.open_title) +
'" href="#">' +
__e(o.name || o.jid) +
'</a>\n\n';
 if (o.allow_bookmarks) { ;
__p += '\n<a class="list-item-action fa ';
 if (o.bookmarked) { ;
__p += ' fa-bookmark remove-bookmark button-on ';
 } else { ;
__p += ' add-bookmark fa-bookmark ';
 } ;
__p += '"\n   data-room-jid="' +
__e(o.jid) +
'" data-bookmark-name="' +
__e(o.name) +
'"\n   title="';
 if (o.bookmarked) { ;
__p += ' ' +
__e(o.info_remove_bookmark) +
' ';
 } else { ;
__p += ' ' +
__e(o.info_add_bookmark) +
' ';
 } ;
__p += '"\n   href="#"></a>\n';
 } ;
__p += '\n\n<a class="list-item-action room-info fa fa-info-circle" data-room-jid="' +
__e(o.jid) +
'"\n   title="' +
__e(o.info_title) +
'" href="#"></a>\n\n<a class="list-item-action fa fa-sign-out-alt close-room"\n   data-room-jid="' +
__e(o.jid) +
'"\n   data-room-name="' +
__e(o.name || o.jid) +
'"\n   title="' +
__e(o.info_leave_room) +
'" href="#"></a>\n\n</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/rooms_results.html":
/*!******************************************!*\
  !*** ./src/templates/rooms_results.html ***!
  \******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape;
__p += '<!-- src/templates/rooms_results.html -->\n<li class="list-group-item active">' +
__e( o.feedback_text ) +
'</li>\n';
return __p
};

/***/ }),

/***/ "./src/templates/roster.html":
/*!***********************************!*\
  !*** ./src/templates/roster.html ***!
  \***********************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/roster.html -->\n<div class="d-flex controlbox-padded">\n    <span class="w-100 controlbox-heading controlbox-heading--contacts">' +
__e(o.heading_contacts) +
'</span>\n    <a class="controlbox-heading__btn sync-contacts fa fa-sync" title="' +
__e(o.title_sync_contacts) +
'"></a>\n    ';
 if (o.allow_contact_requests) { ;
__p += '\n        <a class="controlbox-heading__btn add-contact fa fa-user-plus"\n           title="' +
__e(o.title_add_contact) +
'"\n           data-toggle="modal"\n           data-target="#add-contact-modal"></a>\n    ';
 } ;
__p += '\n</div>\n\n<form class="roster-filter-form"></form>\n\n<div class="list-container roster-contacts"></div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/roster_filter.html":
/*!******************************************!*\
  !*** ./src/templates/roster_filter.html ***!
  \******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/roster_filter.html -->\n<form class="controlbox-padded roster-filter-form input-button-group ';
 if (!o.visible) { ;
__p += ' hidden ';
 } ;
__p += '">\n    <div class="form-inline flex-nowrap">\n        <div class="btn-group">\n            <input ';
 if (o.filter_text) { ;
__p += ' value="' +
__e(o.filter_text) +
'" ';
 } ;
__p += '\n                class="roster-filter form-control ';
 if (o.filter_type === 'state') { ;
__p += ' hidden ';
 } ;
__p += '"\n                placeholder="' +
__e(o.placeholder) +
'"/>\n            <span class="clear-input fa fa-times ';
 if (!o.filter_text || o.filter_type === 'state') { ;
__p += ' hidden ';
 } ;
__p += '"></span>\n        </div>\n\n        <select class="form-control state-type ';
 if (o.filter_type !== 'state') { ;
__p += ' hidden ';
 } ;
__p += '">\n            <option value="">' +
__e(o.label_any) +
'</option>\n            <option ';
 if (o.chat_state === 'unread_messages') { ;
__p += ' selected="selected" ';
 } ;
__p += '\n                value="unread_messages">' +
__e(o.label_unread_messages) +
'</option>\n            <option ';
 if (o.chat_state === 'online') { ;
__p += ' selected="selected" ';
 } ;
__p += '\n                value="online">' +
__e(o.label_online) +
'</option>\n            <option ';
 if (o.chat_state === 'chat') { ;
__p += ' selected="selected" ';
 } ;
__p += '\n                value="chat">' +
__e(o.label_chatty) +
'</option>\n            <option ';
 if (o.chat_state === 'dnd') { ;
__p += ' selected="selected" ';
 } ;
__p += '\n                value="dnd">' +
__e(o.label_busy) +
'</option>\n            <option ';
 if (o.chat_state === 'away') { ;
__p += ' selected="selected" ';
 } ;
__p += '\n                value="away">' +
__e(o.label_away) +
'</option>\n            <option ';
 if (o.chat_state === 'xa') { ;
__p += ' selected="selected" ';
 } ;
__p += '\n                value="xa">' +
__e(o.label_xa) +
'</option>\n            <option ';
 if (o.chat_state === 'offline') { ;
__p += ' selected="selected" ';
 } ;
__p += '\n                value="offline">' +
__e(o.label_offline) +
'</option>\n        </select>\n\n        <div class="filter-by d-flex flex-nowrap">\n            <span class="fa fa-user ';
 if (o.filter_type === 'contacts') { ;
__p += ' selected ';
 } ;
__p += '" data-type="contacts" title="' +
__e(o.title_contact_filter) +
'"></span>\n            <span class="fa fa-users ';
 if (o.filter_type === 'groups') { ;
__p += ' selected ';
 } ;
__p += '" data-type="groups" title="' +
__e(o.title_group_filter) +
'"></span>\n            <span class="fa fa-circle ';
 if (o.filter_type === 'state') { ;
__p += ' selected ';
 } ;
__p += '" data-type="state" title="' +
__e(o.title_status_filter) +
'"></span>\n        </div>\n    </div>\n</form>\n';
return __p
};

/***/ }),

/***/ "./src/templates/roster_item.html":
/*!****************************************!*\
  !*** ./src/templates/roster_item.html ***!
  \****************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/roster_item.html -->\n<a class="list-item-link cbox-list-item open-chat w-100 ';
 if (o.num_unread) { ;
__p += ' unread-msgs ';
 } ;
__p += '"\n   title="' +
__e(o.desc_chat) +
'" href="#">\n    <span class="' +
__e(o.status_icon) +
'" title="' +
__e(o.desc_status) +
'"></span>\n    ';
 if (o.num_unread) { ;
__p += '\n    <span class="msgs-indicator">' +
__e( o.num_unread ) +
'</span>\n    ';
 } ;
__p += '\n    <span class="contact-name ';
 if (o.num_unread) { ;
__p += ' unread-msgs ';
 } ;
__p += '">' +
__e(o.display_name) +
'</span></a>\n';
 if (o.allow_contact_removal) { ;
__p += '\n<a class="list-item-action remove-xmpp-contact far fa-trash-alt" title="' +
__e(o.desc_remove) +
'" href="#"></a>\n';
 } ;
__p += '\n';
return __p
};

/***/ }),

/***/ "./src/templates/search_contact.html":
/*!*******************************************!*\
  !*** ./src/templates/search_contact.html ***!
  \*******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape;
__p += '<!-- src/templates/search_contact.html -->\n<li>\n    <form class="search-xmpp-contact">\n        <input type="text"\n            name="identifier"\n            class="username"\n            placeholder="' +
__e(o.label_contact_name) +
'"/>\n        <button type="submit">' +
__e(o.label_search) +
'</button>\n    </form>\n</li>\n';
return __p
};

/***/ }),

/***/ "./src/templates/select_option.html":
/*!******************************************!*\
  !*** ./src/templates/select_option.html ***!
  \******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/select_option.html -->\n<option value="' +
__e(o.value) +
'" ';
 if (o.selected) { ;
__p += ' selected="selected" ';
 } ;
__p += ' >' +
__e(o.label) +
'</option>\n';
return __p
};

/***/ }),

/***/ "./src/templates/spinner.html":
/*!************************************!*\
  !*** ./src/templates/spinner.html ***!
  \************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '';
__p += '<!-- src/templates/spinner.html -->\n<span class="spinner fa fa-spinner centered"/>\n';
return __p
};

/***/ }),

/***/ "./src/templates/spoiler_button.html":
/*!*******************************************!*\
  !*** ./src/templates/spoiler_button.html ***!
  \*******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/spoiler_button.html -->\n<li class="toggle-compose-spoiler fa ';
 if (o.composing_spoiler)  { ;
__p += ' fa-eye-slash ';
 } ;
__p += ' ';
 if (!o.composing_spoiler)  { ;
__p += ' fa-eye ';
 } ;
__p += '"\n    title="' +
((__t = ( o.label_toggle_spoiler )) == null ? '' : __t) +
'">\n</li>\n';
return __p
};

/***/ }),

/***/ "./src/templates/status_message.html":
/*!*******************************************!*\
  !*** ./src/templates/status_message.html ***!
  \*******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape;
__p += '<!-- src/templates/status_message.html -->\n<div class="message chat-info chat-status"\n     data-isodate="' +
__e(o.isodate) +
'"\n     data-status="' +
__e(o.from) +
'">' +
__e(o.message) +
'</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/status_option.html":
/*!******************************************!*\
  !*** ./src/templates/status_option.html ***!
  \******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape;
__p += '<!-- src/templates/status_option.html -->\n<li>\n    <a href="#" class="' +
__e( o.value ) +
'" data-value="' +
__e( o.value ) +
'">\n        <span class="icon-' +
__e( o.value ) +
'"></span>\n        ' +
__e( o.text ) +
'\n    </a>\n</li>\n';
return __p
};

/***/ }),

/***/ "./src/templates/toggle_chats.html":
/*!*****************************************!*\
  !*** ./src/templates/toggle_chats.html ***!
  \*****************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/toggle_chats.html -->\n' +
__e(o.num_minimized) +
' ' +
__e(o.Minimized) +
'\n<span class="unread-message-count ';
 if (!o.num_unread) { ;
__p += ' unread-message-count-hidden ';
 } ;
__p += '" href="#">' +
__e(o.num_unread) +
'</span>\n';
return __p
};

/***/ }),

/***/ "./src/templates/toolbar.html":
/*!************************************!*\
  !*** ./src/templates/toolbar.html ***!
  \************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/toolbar.html -->\n';
 if (o.use_emoji)  { ;
__p += '\n<li class="toggle-toolbar-menu toggle-smiley dropup">\n    <a class="toggle-smiley far fa-smile" title="' +
__e(o.tooltip_insert_smiley) +
'" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false"></a> \n    <div class="emoji-picker dropdown-menu toolbar-menu"></div>\n</li>\n';
 } ;
__p += '\n';
 if (o.show_call_button)  { ;
__p += '\n<li class="toggle-call fa fa-phone" title="' +
__e(o.label_start_call) +
'"></li>\n';
 } ;
__p += '\n';
 if (o.show_occupants_toggle)  { ;
__p += '\n<li class="toggle-occupants fa ';
 if (o.hidden_occupants)  { ;
__p += ' fa-angle-double-left ';
 } else { ;
__p += ' fa-angle-double-right ';
 } ;
__p += '"\n    title="' +
__e(o.label_hide_occupants) +
'"></li>\n';
 } ;
__p += '\n';
return __p
};

/***/ }),

/***/ "./src/templates/toolbar_fileupload.html":
/*!***********************************************!*\
  !*** ./src/templates/toolbar_fileupload.html ***!
  \***********************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape;
__p += '<!-- src/templates/toolbar_fileupload.html -->\n<li class="upload-file">\n    <a class="fa fa-paperclip" title="' +
__e(o.tooltip_upload_file) +
'"></a>\n    <input type="file" class="fileupload" multiple="" style="display:none"/>\n</li> \n';
return __p
};

/***/ }),

/***/ "./src/templates/toolbar_omemo.html":
/*!******************************************!*\
  !*** ./src/templates/toolbar_omemo.html ***!
  \******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/toolbar_omemo.html -->\n<li class="toggle-omemo fa \n        ';
 if (!o.omemo_supported) { ;
__p += ' disabled ';
 } ;
__p += '\n        ';
 if (o.omemo_active) { ;
__p += ' fa-lock ';
 } else { ;
__p += ' fa-unlock ';
 } ;
__p += '"\n    title="' +
__e(o.__('Messages are being sent in plaintext')) +
'"></li>\n';
return __p
};

/***/ }),

/***/ "./src/templates/trimmed_chat.html":
/*!*****************************************!*\
  !*** ./src/templates/trimmed_chat.html ***!
  \*****************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/trimmed_chat.html -->\n<a href="#" class="restore-chat w-100 align-self-center" title="' +
__e(o.tooltip) +
'">\n    ';
 if (o.num_unread) { ;
__p += ' \n        <span class="message-count badge badge-light">' +
__e(o.num_unread) +
'</span>\n    ';
 } ;
__p += '\n    ' +
__e(o.title || o.jid ) +
'\n</a>\n<a class="chatbox-btn close-chatbox-button fa fa-times"></a>\n';
return __p
};

/***/ }),

/***/ "./src/templates/user_details_modal.html":
/*!***********************************************!*\
  !*** ./src/templates/user_details_modal.html ***!
  \***********************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
__p += '<!-- src/templates/user_details_modal.html -->\n<div class="modal fade" id="user-details-modal" tabindex="-1" role="dialog" aria-labelledby="user-details-modal-label" aria-hidden="true">\n    <div class="modal-dialog" role="document">\n        <div class="modal-content">\n            <div class="modal-header">\n                <h5 class="modal-title" id="user-details-modal-label">' +
__e(o.display_name) +
'</h5>\n                <button type="button" class="close" data-dismiss="modal" aria-label="' +
__e(o.__('Close')) +
'"><span aria-hidden="true">×</span></button>\n            </div>\n            <div class="modal-body">\n                ';
 if (o.image) { ;
__p += '\n                <img alt="' +
__e(o.__('The User\'s Profile Image')) +
'"\n                    class="img-thumbnail avatar align-self-center mb-3"\n                    height="100" width="100" src="data:' +
__e(o.image_type) +
';base64,' +
__e(o.image) +
'"/>\n                ';
 } ;
__p += '\n                ';
 if (o.fullname) { ;
__p += '\n                <p><label>' +
__e(o.__('Full Name:')) +
'</label> ' +
__e(o.fullname) +
'</p>\n                ';
 } ;
__p += '\n                <p><label>' +
__e(o.__('XMPP Address:')) +
'</label> <a href="xmpp:' +
__e(o.jid) +
'">' +
__e(o.jid) +
'</a></p>\n                ';
 if (o.nickname) { ;
__p += '\n                <p><label>' +
__e(o.__('Nickname:')) +
'</label> ' +
__e(o.nickname) +
'</p>\n                ';
 } ;
__p += '\n                ';
 if (o.url) { ;
__p += '\n                <p><label>' +
__e(o.__('URL:')) +
'</label> <a target="_blank" rel="noopener" href="' +
__e(o.url) +
'">' +
__e(o.url) +
'</a></p>\n                ';
 } ;
__p += '\n                ';
 if (o.email) { ;
__p += '\n                <p><label>' +
__e(o.__('Email:')) +
'</label> <a href="mailto:' +
__e(o.email) +
'">' +
__e(o.email) +
'</a></p>\n                ';
 } ;
__p += '\n                ';
 if (o.role) { ;
__p += '\n                <p><label>' +
__e(o.__('Role:')) +
'</label> ' +
__e(o.role) +
'</p>\n                ';
 } ;
__p += '\n\n                ';
 if (o._converse.pluggable.plugins['converse-omemo'].enabled(o._converse)) { ;
__p += '\n                    <hr/>\n                    <ul class="list-group fingerprints">\n                        <li class="list-group-item active">' +
__e(o.__('OMEMO Fingerprints')) +
'</li>\n                        ';
 if (!o.view.devicelist.devices) { ;
__p += '\n                            <li class="list-group-item"><span class="spinner fa fa-spinner centered"/></li>\n                        ';
 } ;
__p += '\n                        ';
 if (o.view.devicelist.devices) { ;
__p += '\n                            ';
 o.view.devicelist.devices.each(function (device) { ;
__p += '\n                                ';
 if (device.get('bundle') && device.get('bundle').fingerprint) { ;
__p += '\n                                <li class="list-group-item">\n                                    <form class="fingerprint-trust">\n                                    <div class="btn-group btn-group-toggle">\n                                        <label class="btn btn--small ';
 if (device.get('trusted') !== -1) { ;
__p += ' btn-primary active ';
 } else { ;
__p += '  btn-secondary ';
 } ;
__p += '">\n                                            <input type="radio" name="' +
__e(device.get('id')) +
'" value="1"\n                                                ';
 if (device.get('trusted') !== -1) { ;
__p += ' checked="checked" ';
 } ;
__p += '/>' +
__e(o.__('Trusted')) +
'\n                                        </label>\n                                        <label class="btn btn--small ';
 if (device.get('trusted') === -1) { ;
__p += ' btn-primary active ';
 } else { ;
__p += ' btn-secondary ';
 } ;
__p += '">\n                                            <input type="radio" name="' +
__e(device.get('id')) +
'" value="-1"\n                                                ';
 if (device.get('trusted') === -1) { ;
__p += ' checked="checked" ';
 } ;
__p += '/>' +
__e(o.__('Untrusted')) +
'\n                                        </label>\n                                    </div>\n                                    <span class="fingerprint">' +
__e(o.utils.formatFingerprint(device.get('bundle').fingerprint)) +
'</span>\n                                    </form>\n                                </li>\n                                ';
 } ;
__p += '\n                            ';
 }); ;
__p += '\n                        ';
 } ;
__p += '\n                    </ul>\n                ';
 } ;
__p += '\n            </div>\n            <div class="modal-footer">\n                <button type="button" class="btn btn-warning" data-dismiss="modal">' +
__e(o.__('Close')) +
'</button>\n                <button type="button" class="btn btn-info refresh-contact"><i class="fa fa-refresh"> </i>' +
__e(o.__('Refresh')) +
'</button>\n                ';
 if (o.allow_contact_removal && o.is_roster_contact) { ;
__p += '\n                    <button type="button" class="btn btn-danger remove-contact"><i class="far fa-trash-alt"> </i>' +
__e(o.__('Remove as contact')) +
'</button>\n                ';
 } ;
__p += '\n            </div>\n        </div>\n    </div>\n</div>\n';
return __p
};

/***/ }),

/***/ "./src/templates/video.html":
/*!**********************************!*\
  !*** ./src/templates/video.html ***!
  \**********************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var _ = {escape:__webpack_require__(/*! ./node_modules/lodash/escape.js */ "./node_modules/lodash/escape.js")};
module.exports = function(o) {
var __t, __p = '', __e = _.escape;
__p += '<!-- src/templates/video.html -->\n<video controls src="' +
__e(o.url) +
'" style="max-height: 50vh"></video>\n<a target="_blank" rel="noopener" href="' +
__e(o.url) +
'">' +
__e(o.label_download) +
'</a>\n';
return __p
};

/***/ }),

/***/ "./src/underscore-shim.js":
/*!********************************!*\
  !*** ./src/underscore-shim.js ***!
  \********************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;/*global define */
!(__WEBPACK_AMD_DEFINE_ARRAY__ = [__webpack_require__(/*! lodash */ "./node_modules/lodash/lodash.js")], __WEBPACK_AMD_DEFINE_RESULT__ = (function (_) {
  return _.noConflict();
}).apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__),
				__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));

/***/ }),

/***/ "./src/utils/html.js":
/*!***************************!*\
  !*** ./src/utils/html.js ***!
  \***************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var urijs__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! urijs */ "./node_modules/urijs/src/URI.js");
/* harmony import */ var urijs__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(urijs__WEBPACK_IMPORTED_MODULE_0__);
/* harmony import */ var _headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ../headless/lodash.noconflict */ "./src/headless/lodash.noconflict.js");
/* harmony import */ var _headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(_headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1__);
/* harmony import */ var sizzle__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! sizzle */ "./node_modules/sizzle/dist/sizzle.js");
/* harmony import */ var sizzle__WEBPACK_IMPORTED_MODULE_2___default = /*#__PURE__*/__webpack_require__.n(sizzle__WEBPACK_IMPORTED_MODULE_2__);
/* harmony import */ var _templates_audio_html__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ../templates/audio.html */ "./src/templates/audio.html");
/* harmony import */ var _templates_audio_html__WEBPACK_IMPORTED_MODULE_3___default = /*#__PURE__*/__webpack_require__.n(_templates_audio_html__WEBPACK_IMPORTED_MODULE_3__);
/* harmony import */ var _converse_headless_templates_field_html__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! @converse/headless/templates/field.html */ "./src/headless/templates/field.html");
/* harmony import */ var _converse_headless_templates_field_html__WEBPACK_IMPORTED_MODULE_4___default = /*#__PURE__*/__webpack_require__.n(_converse_headless_templates_field_html__WEBPACK_IMPORTED_MODULE_4__);
/* harmony import */ var _templates_file_html__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(/*! ../templates/file.html */ "./src/templates/file.html");
/* harmony import */ var _templates_file_html__WEBPACK_IMPORTED_MODULE_5___default = /*#__PURE__*/__webpack_require__.n(_templates_file_html__WEBPACK_IMPORTED_MODULE_5__);
/* harmony import */ var _templates_form_captcha_html__WEBPACK_IMPORTED_MODULE_6__ = __webpack_require__(/*! ../templates/form_captcha.html */ "./src/templates/form_captcha.html");
/* harmony import */ var _templates_form_captcha_html__WEBPACK_IMPORTED_MODULE_6___default = /*#__PURE__*/__webpack_require__.n(_templates_form_captcha_html__WEBPACK_IMPORTED_MODULE_6__);
/* harmony import */ var _templates_form_checkbox_html__WEBPACK_IMPORTED_MODULE_7__ = __webpack_require__(/*! ../templates/form_checkbox.html */ "./src/templates/form_checkbox.html");
/* harmony import */ var _templates_form_checkbox_html__WEBPACK_IMPORTED_MODULE_7___default = /*#__PURE__*/__webpack_require__.n(_templates_form_checkbox_html__WEBPACK_IMPORTED_MODULE_7__);
/* harmony import */ var _templates_form_input_html__WEBPACK_IMPORTED_MODULE_8__ = __webpack_require__(/*! ../templates/form_input.html */ "./src/templates/form_input.html");
/* harmony import */ var _templates_form_input_html__WEBPACK_IMPORTED_MODULE_8___default = /*#__PURE__*/__webpack_require__.n(_templates_form_input_html__WEBPACK_IMPORTED_MODULE_8__);
/* harmony import */ var _templates_form_select_html__WEBPACK_IMPORTED_MODULE_9__ = __webpack_require__(/*! ../templates/form_select.html */ "./src/templates/form_select.html");
/* harmony import */ var _templates_form_select_html__WEBPACK_IMPORTED_MODULE_9___default = /*#__PURE__*/__webpack_require__.n(_templates_form_select_html__WEBPACK_IMPORTED_MODULE_9__);
/* harmony import */ var _templates_form_textarea_html__WEBPACK_IMPORTED_MODULE_10__ = __webpack_require__(/*! ../templates/form_textarea.html */ "./src/templates/form_textarea.html");
/* harmony import */ var _templates_form_textarea_html__WEBPACK_IMPORTED_MODULE_10___default = /*#__PURE__*/__webpack_require__.n(_templates_form_textarea_html__WEBPACK_IMPORTED_MODULE_10__);
/* harmony import */ var _templates_form_url_html__WEBPACK_IMPORTED_MODULE_11__ = __webpack_require__(/*! ../templates/form_url.html */ "./src/templates/form_url.html");
/* harmony import */ var _templates_form_url_html__WEBPACK_IMPORTED_MODULE_11___default = /*#__PURE__*/__webpack_require__.n(_templates_form_url_html__WEBPACK_IMPORTED_MODULE_11__);
/* harmony import */ var _templates_form_username_html__WEBPACK_IMPORTED_MODULE_12__ = __webpack_require__(/*! ../templates/form_username.html */ "./src/templates/form_username.html");
/* harmony import */ var _templates_form_username_html__WEBPACK_IMPORTED_MODULE_12___default = /*#__PURE__*/__webpack_require__.n(_templates_form_username_html__WEBPACK_IMPORTED_MODULE_12__);
/* harmony import */ var _templates_image_html__WEBPACK_IMPORTED_MODULE_13__ = __webpack_require__(/*! ../templates/image.html */ "./src/templates/image.html");
/* harmony import */ var _templates_image_html__WEBPACK_IMPORTED_MODULE_13___default = /*#__PURE__*/__webpack_require__.n(_templates_image_html__WEBPACK_IMPORTED_MODULE_13__);
/* harmony import */ var _templates_select_option_html__WEBPACK_IMPORTED_MODULE_14__ = __webpack_require__(/*! ../templates/select_option.html */ "./src/templates/select_option.html");
/* harmony import */ var _templates_select_option_html__WEBPACK_IMPORTED_MODULE_14___default = /*#__PURE__*/__webpack_require__.n(_templates_select_option_html__WEBPACK_IMPORTED_MODULE_14__);
/* harmony import */ var _templates_video_html__WEBPACK_IMPORTED_MODULE_15__ = __webpack_require__(/*! ../templates/video.html */ "./src/templates/video.html");
/* harmony import */ var _templates_video_html__WEBPACK_IMPORTED_MODULE_15___default = /*#__PURE__*/__webpack_require__.n(_templates_video_html__WEBPACK_IMPORTED_MODULE_15__);
/* harmony import */ var _headless_utils_core__WEBPACK_IMPORTED_MODULE_16__ = __webpack_require__(/*! ../headless/utils/core */ "./src/headless/utils/core.js");
// Converse.js (A browser based XMPP chat client)
// http://conversejs.org
//
// This is a form utilities module.
//
// Copyright (c) 2013-2018, Jan-Carel Brand <jc@opkode.com>
// Licensed under the Mozilla Public License (MPLv2)

















const URL_REGEX = /\b(https?:\/\/|www\.|https?:\/\/www\.)[^\s<>]{2,200}\b\/?/g;

const logger = _headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.assign({
  'debug': _headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.get(console, 'log') ? console.log.bind(console) : _headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.noop,
  'error': _headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.get(console, 'log') ? console.log.bind(console) : _headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.noop,
  'info': _headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.get(console, 'log') ? console.log.bind(console) : _headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.noop,
  'warn': _headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.get(console, 'log') ? console.log.bind(console) : _headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.noop
}, console);

const XFORM_TYPE_MAP = {
  'text-private': 'password',
  'text-single': 'text',
  'fixed': 'label',
  'boolean': 'checkbox',
  'hidden': 'hidden',
  'jid-multi': 'textarea',
  'list-single': 'dropdown',
  'list-multi': 'dropdown'
};

function slideOutWrapup(el) {
  /* Wrapup function for slideOut. */
  el.removeAttribute('data-slider-marker');
  el.classList.remove('collapsed');
  el.style.overflow = "";
  el.style.height = "";
}

const isImage = function isImage(url) {
  return new Promise((resolve, reject) => {
    var img = new Image();
    var timer = window.setTimeout(function () {
      reject(new Error("Could not determine whether it's an image"));
      img = null;
    }, 3000);

    img.onerror = img.onabort = function () {
      clearTimeout(timer);
      reject(new Error("Could not determine whether it's an image"));
    };

    img.onload = function () {
      clearTimeout(timer);
      resolve(img);
    };

    img.src = url;
  });
};

_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].isAudioURL = function (url) {
  if (!(url instanceof urijs__WEBPACK_IMPORTED_MODULE_0___default.a)) {
    url = new urijs__WEBPACK_IMPORTED_MODULE_0___default.a(url);
  }

  const filename = url.filename().toLowerCase();

  if (url.protocol().toLowerCase() !== "https") {
    return false;
  }

  return filename.endsWith('.ogg') || filename.endsWith('.mp3') || filename.endsWith('.m4a');
};

_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].isImageURL = function (url) {
  if (!(url instanceof urijs__WEBPACK_IMPORTED_MODULE_0___default.a)) {
    url = new urijs__WEBPACK_IMPORTED_MODULE_0___default.a(url);
  }

  const filename = url.filename().toLowerCase();

  if (url.protocol().toLowerCase() !== "https") {
    return false;
  }

  return filename.endsWith('.jpg') || filename.endsWith('.jpeg') || filename.endsWith('.png') || filename.endsWith('.gif') || filename.endsWith('.bmp') || filename.endsWith('.tiff') || filename.endsWith('.svg');
};

_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].isVideoURL = function (url) {
  if (!(url instanceof urijs__WEBPACK_IMPORTED_MODULE_0___default.a)) {
    url = new urijs__WEBPACK_IMPORTED_MODULE_0___default.a(url);
  }

  const filename = url.filename().toLowerCase();

  if (url.protocol().toLowerCase() !== "https") {
    return false;
  }

  return filename.endsWith('.mp4') || filename.endsWith('.webm');
};

_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].renderAudioURL = function (_converse, url) {
  const uri = new urijs__WEBPACK_IMPORTED_MODULE_0___default.a(url);

  if (_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].isAudioURL(uri)) {
    const __ = _converse.__;
    return _templates_audio_html__WEBPACK_IMPORTED_MODULE_3___default()({
      'url': url,
      'label_download': __('Download audio file "%1$s"', decodeURI(uri.filename()))
    });
  }

  return url;
};

_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].renderFileURL = function (_converse, url) {
  const uri = new urijs__WEBPACK_IMPORTED_MODULE_0___default.a(url);

  if (_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].isImageURL(uri) || _headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].isVideoURL(uri) || _headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].isAudioURL(uri)) {
    return url;
  }

  const __ = _converse.__,
        filename = uri.filename();
  return _templates_file_html__WEBPACK_IMPORTED_MODULE_5___default()({
    'url': url,
    'label_download': __('Download file "%1$s"', decodeURI(filename))
  });
};

_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].renderImageURL = function (_converse, url) {
  if (!_converse.show_images_inline) {
    return _headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].addHyperlinks(url);
  }

  const uri = new urijs__WEBPACK_IMPORTED_MODULE_0___default.a(url);

  if (_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].isImageURL(uri)) {
    const __ = _converse.__;
    return _templates_image_html__WEBPACK_IMPORTED_MODULE_13___default()({
      'url': url,
      'label_download': __('Download image "%1$s"', decodeURI(uri.filename()))
    });
  }

  return url;
};

_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].renderImageURLs = function (_converse, el) {
  /* Returns a Promise which resolves once all images have been loaded.
   */
  if (!_converse.show_images_inline) {
    return Promise.resolve();
  }

  const __ = _converse.__;
  const list = el.textContent.match(URL_REGEX) || [];
  return Promise.all(_headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.map(list, url => new Promise((resolve, reject) => {
    if (_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].isImageURL(url)) {
      return isImage(url).then(img => {
        const i = new Image();
        i.src = img.src;
        i.addEventListener('load', resolve); // We also resolve for non-images, otherwise the
        // Promise.all resolves prematurely.

        i.addEventListener('error', resolve);
        const __ = _converse.__;

        _headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.each(sizzle__WEBPACK_IMPORTED_MODULE_2___default()(`a[href="${url}"]`, el), a => {
          a.outerHTML = _templates_image_html__WEBPACK_IMPORTED_MODULE_13___default()({
            'url': url,
            'label_download': __('Download')
          });
        });
      }).catch(resolve);
    } else {
      return resolve();
    }
  })));
};

_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].renderMovieURL = function (_converse, url) {
  const uri = new urijs__WEBPACK_IMPORTED_MODULE_0___default.a(url);

  if (_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].isVideoURL(uri)) {
    const __ = _converse.__;
    return _templates_video_html__WEBPACK_IMPORTED_MODULE_15___default()({
      'url': url,
      'label_download': __('Download video file "%1$s"', decodeURI(uri.filename()))
    });
  }

  return url;
};

_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].renderNewLines = function (text) {
  return text.replace(/\n\n+/g, '<br/><br/>').replace(/\n/g, '<br/>');
};

_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].calculateElementHeight = function (el) {
  /* Return the height of the passed in DOM element,
   * based on the heights of its children.
   */
  return _headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.reduce(el.children, (result, child) => result + child.offsetHeight, 0);
};

_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].getNextElement = function (el, selector = '*') {
  let next_el = el.nextElementSibling;

  while (!_headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.isNull(next_el) && !sizzle__WEBPACK_IMPORTED_MODULE_2___default.a.matchesSelector(next_el, selector)) {
    next_el = next_el.nextElementSibling;
  }

  return next_el;
};

_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].getPreviousElement = function (el, selector = '*') {
  let prev_el = el.previousSibling;

  while (!_headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.isNull(prev_el) && !sizzle__WEBPACK_IMPORTED_MODULE_2___default.a.matchesSelector(prev_el, selector)) {
    prev_el = prev_el.previousSibling;
  }

  return prev_el;
};

_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].getFirstChildElement = function (el, selector = '*') {
  let first_el = el.firstElementChild;

  while (!_headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.isNull(first_el) && !sizzle__WEBPACK_IMPORTED_MODULE_2___default.a.matchesSelector(first_el, selector)) {
    first_el = first_el.nextSibling;
  }

  return first_el;
};

_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].getLastChildElement = function (el, selector = '*') {
  let last_el = el.lastElementChild;

  while (!_headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.isNull(last_el) && !sizzle__WEBPACK_IMPORTED_MODULE_2___default.a.matchesSelector(last_el, selector)) {
    last_el = last_el.previousSibling;
  }

  return last_el;
};

_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].hasClass = function (className, el) {
  return _headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.includes(el.classList, className);
};

_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].addClass = function (className, el) {
  if (el instanceof Element) {
    el.classList.add(className);
  }
};

_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].removeClass = function (className, el) {
  if (el instanceof Element) {
    el.classList.remove(className);
  }

  return el;
};

_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].removeElement = function (el) {
  if (!_headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.isNil(el) && !_headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.isNil(el.parentNode)) {
    el.parentNode.removeChild(el);
  }
};

_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].showElement = _headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.flow(_headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.partial(_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].removeClass, 'collapsed'), _headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.partial(_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].removeClass, 'hidden'));

_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].hideElement = function (el) {
  if (!_headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.isNil(el)) {
    el.classList.add('hidden');
  }

  return el;
};

_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].ancestor = function (el, selector) {
  let parent = el;

  while (!_headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.isNil(parent) && !sizzle__WEBPACK_IMPORTED_MODULE_2___default.a.matchesSelector(parent, selector)) {
    parent = parent.parentElement;
  }

  return parent;
};

_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].nextUntil = function (el, selector, include_self = false) {
  /* Return the element's siblings until one matches the selector. */
  const matches = [];
  let sibling_el = el.nextElementSibling;

  while (!_headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.isNil(sibling_el) && !sibling_el.matches(selector)) {
    matches.push(sibling_el);
    sibling_el = sibling_el.nextElementSibling;
  }

  return matches;
};

_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].unescapeHTML = function (string) {
  /* Helper method that replace HTML-escaped symbols with equivalent characters
   * (e.g. transform occurrences of '&amp;' to '&')
   *
   * Parameters:
   *  (String) string: a String containing the HTML-escaped symbols.
   */
  var div = document.createElement('div');
  div.innerHTML = string;
  return div.innerText;
};

_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].escapeHTML = function (string) {
  return string.replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;").replace(/"/g, "&quot;");
};

_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].addMentionsMarkup = function (text, references, chatbox) {
  if (chatbox.get('message_type') !== 'groupchat') {
    return text;
  }

  const nick = chatbox.get('nick');
  references.sort((a, b) => b.begin - a.begin).forEach(ref => {
    const mention = text.slice(ref.begin, ref.end);
    chatbox;

    if (mention === nick) {
      text = text.slice(0, ref.begin) + `<span class="mention mention--self badge badge-info">${mention}</span>` + text.slice(ref.end);
    } else {
      text = text.slice(0, ref.begin) + `<span class="mention">${mention}</span>` + text.slice(ref.end);
    }
  });
  return text;
};

_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].addHyperlinks = function (text) {
  return urijs__WEBPACK_IMPORTED_MODULE_0___default.a.withinString(text, url => {
    const uri = new urijs__WEBPACK_IMPORTED_MODULE_0___default.a(url);
    url = uri.normalize()._string;
    const pretty_url = uri._parts.urn ? url : uri.readable();

    if (!uri._parts.protocol && !url.startsWith('http://') && !url.startsWith('https://')) {
      url = 'http://' + url;
    }

    if (uri._parts.protocol === 'xmpp' && uri._parts.query === 'join') {
      return `<a target="_blank" rel="noopener" class="open-chatroom" href="${url}">${_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].escapeHTML(pretty_url)}</a>`;
    }

    return `<a target="_blank" rel="noopener" href="${url}">${_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].escapeHTML(pretty_url)}</a>`;
  }, {
    'start': /\b(?:([a-z][a-z0-9.+-]*:\/\/)|xmpp:|mailto:|www\.)/gi
  });
};

_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].slideInAllElements = function (elements, duration = 300) {
  return Promise.all(_headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.map(elements, _headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.partial(_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].slideIn, _headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a, duration)));
};

_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].slideToggleElement = function (el, duration) {
  if (_headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.includes(el.classList, 'collapsed') || _headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.includes(el.classList, 'hidden')) {
    return _headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].slideOut(el, duration);
  } else {
    return _headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].slideIn(el, duration);
  }
};

_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].slideOut = function (el, duration = 200) {
  /* Shows/expands an element by sliding it out of itself
   *
   * Parameters:
   *      (HTMLElement) el - The HTML string
   *      (Number) duration - The duration amount in milliseconds
   */
  return new Promise((resolve, reject) => {
    if (_headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.isNil(el)) {
      const err = "Undefined or null element passed into slideOut";
      logger.warn(err);
      reject(new Error(err));
      return;
    }

    const marker = el.getAttribute('data-slider-marker');

    if (marker) {
      el.removeAttribute('data-slider-marker');
      window.cancelAnimationFrame(marker);
    }

    const end_height = _headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].calculateElementHeight(el);

    if (window.converse_disable_effects) {
      // Effects are disabled (for tests)
      el.style.height = end_height + 'px';
      slideOutWrapup(el);
      resolve();
      return;
    }

    if (!_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].hasClass('collapsed', el) && !_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].hasClass('hidden', el)) {
      resolve();
      return;
    }

    const steps = duration / 17; // We assume 17ms per animation which is ~60FPS

    let height = 0;

    function draw() {
      height += end_height / steps;

      if (height < end_height) {
        el.style.height = height + 'px';
        el.setAttribute('data-slider-marker', window.requestAnimationFrame(draw));
      } else {
        // We recalculate the height to work around an apparent
        // browser bug where browsers don't know the correct
        // offsetHeight beforehand.
        el.removeAttribute('data-slider-marker');
        el.style.height = _headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].calculateElementHeight(el) + 'px';
        el.style.overflow = "";
        el.style.height = "";
        resolve();
      }
    }

    el.style.height = '0';
    el.style.overflow = 'hidden';
    el.classList.remove('hidden');
    el.classList.remove('collapsed');
    el.setAttribute('data-slider-marker', window.requestAnimationFrame(draw));
  });
};

_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].slideIn = function (el, duration = 200) {
  /* Hides/collapses an element by sliding it into itself. */
  return new Promise((resolve, reject) => {
    if (_headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.isNil(el)) {
      const err = "Undefined or null element passed into slideIn";
      logger.warn(err);
      return reject(new Error(err));
    } else if (_headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.includes(el.classList, 'collapsed')) {
      return resolve(el);
    } else if (window.converse_disable_effects) {
      // Effects are disabled (for tests)
      el.classList.add('collapsed');
      el.style.height = "";
      return resolve(el);
    }

    const marker = el.getAttribute('data-slider-marker');

    if (marker) {
      el.removeAttribute('data-slider-marker');
      window.cancelAnimationFrame(marker);
    }

    const original_height = el.offsetHeight,
          steps = duration / 17; // We assume 17ms per animation which is ~60FPS

    let height = original_height;
    el.style.overflow = 'hidden';

    function draw() {
      height -= original_height / steps;

      if (height > 0) {
        el.style.height = height + 'px';
        el.setAttribute('data-slider-marker', window.requestAnimationFrame(draw));
      } else {
        el.removeAttribute('data-slider-marker');
        el.classList.add('collapsed');
        el.style.height = "";
        resolve(el);
      }
    }

    el.setAttribute('data-slider-marker', window.requestAnimationFrame(draw));
  });
};

function afterAnimationEnds(el, callback) {
  el.classList.remove('visible');

  if (_headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.isFunction(callback)) {
    callback();
  }
}

_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].isVisible = function (el) {
  if (_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].hasClass('hidden', el)) {
    return false;
  } // XXX: Taken from jQuery's "visible" implementation


  return el.offsetWidth > 0 || el.offsetHeight > 0 || el.getClientRects().length > 0;
};

_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].fadeIn = function (el, callback) {
  if (_headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.isNil(el)) {
    logger.warn("Undefined or null element passed into fadeIn");
  }

  if (window.converse_disable_effects) {
    el.classList.remove('hidden');
    return afterAnimationEnds(el, callback);
  }

  if (_headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.includes(el.classList, 'hidden')) {
    el.classList.add('visible');
    el.classList.remove('hidden');
    el.addEventListener("webkitAnimationEnd", _headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.partial(afterAnimationEnds, el, callback));
    el.addEventListener("animationend", _headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.partial(afterAnimationEnds, el, callback));
    el.addEventListener("oanimationend", _headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.partial(afterAnimationEnds, el, callback));
  } else {
    afterAnimationEnds(el, callback);
  }
};

_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].xForm2webForm = function (field, stanza, domain) {
  /* Takes a field in XMPP XForm (XEP-004: Data Forms) format
   * and turns it into an HTML field.
   *
   * Returns either text or a DOM element (which is not ideal, but fine
   * for now).
   *
   *  Parameters:
   *      (XMLElement) field - the field to convert
   */
  if (field.getAttribute('type')) {
    if (field.getAttribute('type') === 'list-single' || field.getAttribute('type') === 'list-multi') {
      const values = _headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.map(_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].queryChildren(field, 'value'), _headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.partial(_headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.get, _headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a, 'textContent'));

      const options = _headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.map(_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].queryChildren(field, 'option'), function (option) {
        const value = _headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.get(option.querySelector('value'), 'textContent');

        return _templates_select_option_html__WEBPACK_IMPORTED_MODULE_14___default()({
          'value': value,
          'label': option.getAttribute('label'),
          'selected': _headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.includes(values, value),
          'required': !_headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.isNil(field.querySelector('required'))
        });
      });

      return _templates_form_select_html__WEBPACK_IMPORTED_MODULE_9___default()({
        'id': _headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].getUniqueId(),
        'name': field.getAttribute('var'),
        'label': field.getAttribute('label'),
        'options': options.join(''),
        'multiple': field.getAttribute('type') === 'list-multi',
        'required': !_headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.isNil(field.querySelector('required'))
      });
    } else if (field.getAttribute('type') === 'fixed') {
      const text = _headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.get(field.querySelector('value'), 'textContent');

      return '<p class="form-help">' + text + '</p>';
    } else if (field.getAttribute('type') === 'jid-multi') {
      return _templates_form_textarea_html__WEBPACK_IMPORTED_MODULE_10___default()({
        'name': field.getAttribute('var'),
        'label': field.getAttribute('label') || '',
        'value': _headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.get(field.querySelector('value'), 'textContent'),
        'required': !_headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.isNil(field.querySelector('required'))
      });
    } else if (field.getAttribute('type') === 'boolean') {
      return _templates_form_checkbox_html__WEBPACK_IMPORTED_MODULE_7___default()({
        'id': _headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].getUniqueId(),
        'name': field.getAttribute('var'),
        'label': field.getAttribute('label') || '',
        'checked': _headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.get(field.querySelector('value'), 'textContent') === "1" && 'checked="1"' || '',
        'required': !_headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.isNil(field.querySelector('required'))
      });
    } else if (field.getAttribute('var') === 'url') {
      return _templates_form_url_html__WEBPACK_IMPORTED_MODULE_11___default()({
        'label': field.getAttribute('label') || '',
        'value': _headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.get(field.querySelector('value'), 'textContent')
      });
    } else if (field.getAttribute('var') === 'username') {
      return _templates_form_username_html__WEBPACK_IMPORTED_MODULE_12___default()({
        'domain': ' @' + domain,
        'name': field.getAttribute('var'),
        'type': XFORM_TYPE_MAP[field.getAttribute('type')],
        'label': field.getAttribute('label') || '',
        'value': _headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.get(field.querySelector('value'), 'textContent'),
        'required': !_headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.isNil(field.querySelector('required'))
      });
    } else {
      return _templates_form_input_html__WEBPACK_IMPORTED_MODULE_8___default()({
        'id': _headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"].getUniqueId(),
        'label': field.getAttribute('label') || '',
        'name': field.getAttribute('var'),
        'placeholder': null,
        'required': !_headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.isNil(field.querySelector('required')),
        'type': XFORM_TYPE_MAP[field.getAttribute('type')],
        'value': _headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.get(field.querySelector('value'), 'textContent')
      });
    }
  } else {
    if (field.getAttribute('var') === 'ocr') {
      // Captcha
      const uri = field.querySelector('uri');
      const el = sizzle__WEBPACK_IMPORTED_MODULE_2___default()('data[cid="' + uri.textContent.replace(/^cid:/, '') + '"]', stanza)[0];
      return _templates_form_captcha_html__WEBPACK_IMPORTED_MODULE_6___default()({
        'label': field.getAttribute('label'),
        'name': field.getAttribute('var'),
        'data': _headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.get(el, 'textContent'),
        'type': uri.getAttribute('type'),
        'required': !_headless_lodash_noconflict__WEBPACK_IMPORTED_MODULE_1___default.a.isNil(field.querySelector('required'))
      });
    }
  }
};

/* harmony default export */ __webpack_exports__["default"] = (_headless_utils_core__WEBPACK_IMPORTED_MODULE_16__["default"]);

/***/ })

/******/ });
//# sourceMappingURL=converse.js.map