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/**
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* jQuery asBreadcrumbs v0.2.3
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* https://github.com/amazingSurge/jquery-asBreadcrumbs
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*
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* Copyright (c) amazingSurge
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* Released under the LGPL-3.0 license
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*/
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import $ from 'jquery';
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var DEFAULTS = {
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namespace: 'breadcrumb',
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overflow: "left",
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responsive: true,
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ellipsisText: "…",
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ellipsisClass: null,
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hiddenClass: 'is-hidden',
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dropdownClass: null,
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dropdownMenuClass: null,
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dropdownItemClass: null,
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dropdownItemDisableClass: 'disabled',
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toggleClass: null,
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toggleIconClass: 'caret',
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getItems: function($parent) {
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return $parent.children();
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},
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getItemLink: function($item) {
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return $item.find('a');
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},
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// templates
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ellipsis: function(classes, label) {
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return `<li class="${classes.ellipsisClass}">${label}</li>`;
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},
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dropdown: function(classes) {
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const dropdownClass = 'dropdown';
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let dropdownMenuClass = 'dropdown-menu';
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if (this.options.overflow === 'right') {
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dropdownMenuClass += ' dropdown-menu-right';
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}
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return `<li class="${dropdownClass} ${classes.dropdownClass}">
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<a href="javascript:void(0);" class="${classes.toggleClass}" data-toggle="dropdown">
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<i class="${classes.toggleIconClass}"></i>
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</a>
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<ul class="${dropdownMenuClass} ${classes.dropdownMenuClass}"></ul>
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</li>`;
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},
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dropdownItem: function(classes, label, href) {
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if(!href) {
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return `<li class="${classes.dropdownItemClass} ${classes.dropdownItemDisableClass}"><a href="#">${label}</a></li>`;
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}
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return `<li class="${classes.dropdownItemClass}"><a href="${href}">${label}</a></li>`;
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},
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// callbacks
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onInit: null,
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onReady: null
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};
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const NAMESPACE = 'asBreadcrumbs';
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let instanceId = 0;
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/**
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* Plugin constructor
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**/
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class asBreadcrumbs {
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constructor(element, options) {
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this.element = element;
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this.$element = $(element);
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this.options = $.extend({}, DEFAULTS, options, this.$element.data());
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this.namespace = this.options.namespace;
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this.$element.addClass(this.namespace);
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this.classes = {
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toggleClass: this.options.toggleClass? this.options.toggleClass: `${this.namespace}-toggle`,
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toggleIconClass: this.options.toggleIconClass,
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dropdownClass: this.options.dropdownClass? this.options.dropdownClass: `${this.namespace}-dropdown`,
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dropdownMenuClass: this.options.dropdownMenuClass? this.options.dropdownMenuClass: `${this.namespace}-dropdown-menu`,
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dropdownItemClass: this.options.dropdownItemClass? this.options.dropdownItemClass: '',
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dropdownItemDisableClass: this.options.dropdownItemDisableClass? this.options.dropdownItemDisableClass: '',
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ellipsisClass: this.options.ellipsisClass? this.options.ellipsisClass: `${this.namespace}-ellipsis`,
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hiddenClass: this.options.hiddenClass
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};
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// flag
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this.initialized = false;
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this.instanceId = (++instanceId);
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this.$children = this.options.getItems(this.$element);
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this.$firstChild = this.$children.eq(0);
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this.$dropdown = null;
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this.$dropdownMenu = null;
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this.gap = 6;
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this.items = [];
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this._trigger('init');
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this.init();
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}
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init() {
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this.$element.addClass(`${this.namespace}-${this.options.overflow}`);
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this._prepareItems();
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this._createDropdown();
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this._createEllipsis();
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this.render();
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if (this.options.responsive) {
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$(window).on(this.eventNameWithId('resize'), this._throttle(() => {
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this.resize();
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}, 250));
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}
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this.initialized = true;
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this._trigger('ready');
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}
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_prepareItems() {
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const that = this;
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this.$children.each(function(){
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const $this = $(this);
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const $link = that.options.getItemLink($this);
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const $dropdownItem = $(that.options.dropdownItem.call(that, that.classes, $this.text(), $link.attr('href')));
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that.items.push({
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$this,
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outerWidth: $this.outerWidth(),
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$item: $dropdownItem
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});
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});
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if (this.options.overflow === "left") {
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this.items.reverse();
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}
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}
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_createDropdown() {
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this.$dropdown = $(this.options.dropdown.call(this, this.classes)).addClass(this.classes.hiddenClass).appendTo(this.$element);
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this.$dropdownMenu = this.$dropdown.find(`.${this.classes.dropdownMenuClass}`);
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this._createDropdownItems();
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if (this.options.overflow === 'right') {
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this.$dropdown.appendTo(this.$element);
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} else {
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this.$dropdown.prependTo(this.$element);
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}
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}
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_createDropdownItems() {
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for (let i = 0; i < this.items.length; i++) {
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this.items[i].$item.appendTo(this.$dropdownMenu).addClass(this.classes.hiddenClass);
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}
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}
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_createEllipsis() {
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if (!this.options.ellipsisText) {
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return;
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}
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this.$ellipsis = $(this.options.ellipsis.call(this, this.classes, this.options.ellipsisText)).addClass(this.classes.hiddenClass);
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if (this.options.overflow === 'right') {
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this.$ellipsis.insertBefore(this.$dropdown);
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} else {
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this.$ellipsis.insertAfter(this.$dropdown);
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}
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}
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render() {
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const dropdownWidth = this.getDropdownWidth();
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let childrenWidthTotal = 0;
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let containerWidth = this.getConatinerWidth();
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let showDropdown = false;
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for (let i = 0; i < this.items.length; i++) {
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childrenWidthTotal += this.items[i].outerWidth;
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if (childrenWidthTotal + dropdownWidth > containerWidth) {
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showDropdown = true;
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this._showDropdownItem(i);
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} else {
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this._hideDropdownItem(i);
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}
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}
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if(showDropdown) {
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this.$ellipsis.removeClass(this.classes.hiddenClass);
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this.$dropdown.removeClass(this.classes.hiddenClass);
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} else {
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this.$ellipsis.addClass(this.classes.hiddenClass);
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this.$dropdown.addClass(this.classes.hiddenClass);
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}
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this._trigger('update');
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}
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resize() {
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this.render();
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}
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getDropdownWidth() {
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return this.$dropdown.outerWidth() + (this.options.ellipsisText? this.$ellipsis.outerWidth() : 0);
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}
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getConatinerWidth() {
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let width = 0;
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const that = this;
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this.$element.children().each(function() {
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if ($(this).css('display') === 'inline-block' && $(this).css('float') === 'none') {
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width += that.gap;
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}
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});
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return this.$element.width() - width;
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}
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_showDropdownItem(i) {
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this.items[i].$item.removeClass(this.classes.hiddenClass);
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this.items[i].$this.addClass(this.classes.hiddenClass);
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}
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_hideDropdownItem(i) {
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this.items[i].$this.removeClass(this.classes.hiddenClass);
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this.items[i].$item.addClass(this.classes.hiddenClass);
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}
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_trigger(eventType, ...params) {
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let data = [this].concat(params);
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// event
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this.$element.trigger(`${NAMESPACE}::${eventType}`, data);
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// callback
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eventType = eventType.replace(/\b\w+\b/g, (word) => {
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return word.substring(0, 1).toUpperCase() + word.substring(1);
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});
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let onFunction = `on${eventType}`;
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if (typeof this.options[onFunction] === 'function') {
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this.options[onFunction].apply(this, params);
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}
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}
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eventName(events) {
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if (typeof events !== 'string' || events === '') {
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return `.${this.options.namespace}`;
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}
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events = events.split(' ');
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let length = events.length;
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for (let i = 0; i < length; i++) {
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events[i] = `${events[i]}.${this.options.namespace}`;
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}
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return events.join(' ');
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}
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eventNameWithId(events) {
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if (typeof events !== 'string' || events === '') {
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return `.${this.options.namespace}-${this.instanceId}`;
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}
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events = events.split(' ');
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let length = events.length;
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for (let i = 0; i < length; i++) {
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events[i] = `${events[i]}.${this.options.namespace}-${this.instanceId}`;
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}
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return events.join(' ');
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}
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_throttle(func, wait) {
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const _now = Date.now || function() {
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return new Date().getTime();
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};
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let timeout;
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let context;
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let args;
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let result;
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let previous = 0;
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let later = function() {
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previous = _now();
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timeout = null;
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result = func.apply(context, args);
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if (!timeout) {
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context = args = null;
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}
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};
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return (...params) => {
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/*eslint consistent-this: "off"*/
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let now = _now();
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let remaining = wait - (now - previous);
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context = this;
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args = params;
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if (remaining <= 0 || remaining > wait) {
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if (timeout) {
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clearTimeout(timeout);
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timeout = null;
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}
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previous = now;
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result = func.apply(context, args);
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if (!timeout) {
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context = args = null;
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}
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} else if (!timeout) {
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timeout = setTimeout(later, remaining);
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}
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return result;
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};
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}
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destroy() {
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this.$element.children().removeClass(this.classes.hiddenClass);
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this.$dropdown.remove();
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if (this.options.ellipsisText) {
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this.$ellipsis.remove();
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}
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this.initialized = false;
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this.$element.data(NAMESPACE, null);
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$(window).off(this.eventNameWithId('resize'));
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this._trigger('destroy');
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}
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static setDefaults(options) {
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$.extend(DEFAULTS, $.isPlainObject(options) && options);
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}
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}
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var info = {
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version:'0.2.3'
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};
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const NAME = 'asBreadcrumbs';
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const OtherAsBreadcrumbs = $.fn.asBreadcrumbs;
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const jQueryAsBreadcrumbs = function(options, ...args) {
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if (typeof options === 'string') {
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let method = options;
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if (/^_/.test(method)) {
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return false;
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} else if ((/^(get)/.test(method))) {
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let instance = this.first().data(NAME);
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if (instance && typeof instance[method] === 'function') {
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return instance[method](...args);
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}
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} else {
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return this.each(function() {
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let instance = $.data(this, NAME);
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if (instance && typeof instance[method] === 'function') {
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instance[method](...args);
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}
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});
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}
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}
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return this.each(function() {
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if (!$(this).data(NAME)) {
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$(this).data(NAME, new asBreadcrumbs(this, options));
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}
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});
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};
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$.fn.asBreadcrumbs = jQueryAsBreadcrumbs;
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$.asBreadcrumbs = $.extend({
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setDefaults: asBreadcrumbs.setDefaults,
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noConflict: function() {
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$.fn.asBreadcrumbs = OtherAsBreadcrumbs;
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return jQueryAsBreadcrumbs;
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}
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}, info);
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