mirror of
https://github.com/twbs/bootstrap.git
synced 2024-12-04 16:24:22 +01:00
487 lines
14 KiB
JavaScript
487 lines
14 KiB
JavaScript
(function (global, factory) {
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if (typeof define === 'function' && define.amd) {
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define(['exports', 'module', './util'], factory);
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} else if (typeof exports !== 'undefined' && typeof module !== 'undefined') {
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factory(exports, module, require('./util'));
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} else {
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var mod = {
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exports: {}
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};
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factory(mod.exports, mod, global.Util);
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global.carousel = mod.exports;
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}
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})(this, function (exports, module, _util) {
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'use strict';
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var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }
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var _Util = _interopRequireDefault(_util);
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/**
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* --------------------------------------------------------------------------
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* Bootstrap (v4.0.0): carousel.js
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* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
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* --------------------------------------------------------------------------
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*/
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var Carousel = (function ($) {
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/**
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* ------------------------------------------------------------------------
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* Constants
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* ------------------------------------------------------------------------
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*/
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var NAME = 'carousel';
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var VERSION = '4.0.0';
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var DATA_KEY = 'bs.carousel';
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var EVENT_KEY = '.' + DATA_KEY;
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var DATA_API_KEY = '.data-api';
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var JQUERY_NO_CONFLICT = $.fn[NAME];
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var TRANSITION_DURATION = 600;
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var Default = {
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interval: 5000,
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keyboard: true,
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slide: false,
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pause: 'hover',
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wrap: true
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};
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var DefaultType = {
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interval: '(number|boolean)',
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keyboard: 'boolean',
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slide: '(boolean|string)',
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pause: '(string|boolean)',
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wrap: 'boolean'
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};
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var Direction = {
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NEXT: 'next',
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PREVIOUS: 'prev'
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};
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var Event = {
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SLIDE: 'slide' + EVENT_KEY,
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SLID: 'slid' + EVENT_KEY,
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KEYDOWN: 'keydown' + EVENT_KEY,
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MOUSEENTER: 'mouseenter' + EVENT_KEY,
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MOUSELEAVE: 'mouseleave' + EVENT_KEY,
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LOAD_DATA_API: 'load' + EVENT_KEY + DATA_API_KEY,
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CLICK_DATA_API: 'click' + EVENT_KEY + DATA_API_KEY
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};
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var ClassName = {
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CAROUSEL: 'carousel',
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ACTIVE: 'active',
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SLIDE: 'slide',
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RIGHT: 'right',
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LEFT: 'left',
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ITEM: 'carousel-item'
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};
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var Selector = {
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ACTIVE: '.active',
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ACTIVE_ITEM: '.active.carousel-item',
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ITEM: '.carousel-item',
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NEXT_PREV: '.next, .prev',
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INDICATORS: '.carousel-indicators',
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DATA_SLIDE: '[data-slide], [data-slide-to]',
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DATA_RIDE: '[data-ride="carousel"]'
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};
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/**
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* ------------------------------------------------------------------------
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* Class Definition
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* ------------------------------------------------------------------------
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*/
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var Carousel = (function () {
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function Carousel(element, config) {
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_classCallCheck(this, Carousel);
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this._items = null;
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this._interval = null;
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this._activeElement = null;
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this._isPaused = false;
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this._isSliding = false;
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this._config = this._getConfig(config);
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this._element = $(element)[0];
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this._indicatorsElement = $(this._element).find(Selector.INDICATORS)[0];
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this._addEventListeners();
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}
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/**
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* ------------------------------------------------------------------------
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* Data Api implementation
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* ------------------------------------------------------------------------
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*/
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// getters
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_createClass(Carousel, [{
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key: 'next',
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// public
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value: function next() {
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if (!this._isSliding) {
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this._slide(Direction.NEXT);
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}
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}
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}, {
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key: 'prev',
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value: function prev() {
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if (!this._isSliding) {
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this._slide(Direction.PREVIOUS);
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}
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}
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}, {
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key: 'pause',
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value: function pause(event) {
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if (!event) {
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this._isPaused = true;
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}
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if ($(this._element).find(Selector.NEXT_PREV)[0] && _Util['default'].supportsTransitionEnd()) {
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_Util['default'].triggerTransitionEnd(this._element);
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this.cycle(true);
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}
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clearInterval(this._interval);
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this._interval = null;
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}
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}, {
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key: 'cycle',
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value: function cycle(event) {
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if (!event) {
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this._isPaused = false;
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}
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if (this._interval) {
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clearInterval(this._interval);
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this._interval = null;
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}
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if (this._config.interval && !this._isPaused) {
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this._interval = setInterval($.proxy(this.next, this), this._config.interval);
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}
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}
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}, {
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key: 'to',
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value: function to(index) {
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var _this = this;
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this._activeElement = $(this._element).find(Selector.ACTIVE_ITEM)[0];
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var activeIndex = this._getItemIndex(this._activeElement);
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if (index > this._items.length - 1 || index < 0) {
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return;
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}
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if (this._isSliding) {
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$(this._element).one(Event.SLID, function () {
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return _this.to(index);
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});
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return;
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}
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if (activeIndex === index) {
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this.pause();
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this.cycle();
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return;
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}
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var direction = index > activeIndex ? Direction.NEXT : Direction.PREVIOUS;
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this._slide(direction, this._items[index]);
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}
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}, {
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key: 'dispose',
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value: function dispose() {
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$(this._element).off(EVENT_KEY);
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$.removeData(this._element, DATA_KEY);
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this._items = null;
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this._config = null;
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this._element = null;
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this._interval = null;
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this._isPaused = null;
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this._isSliding = null;
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this._activeElement = null;
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this._indicatorsElement = null;
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}
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// private
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}, {
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key: '_getConfig',
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value: function _getConfig(config) {
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config = $.extend({}, Default, config);
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_Util['default'].typeCheckConfig(NAME, config, DefaultType);
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return config;
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}
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}, {
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key: '_addEventListeners',
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value: function _addEventListeners() {
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if (this._config.keyboard) {
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$(this._element).on(Event.KEYDOWN, $.proxy(this._keydown, this));
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}
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if (this._config.pause === 'hover' && !('ontouchstart' in document.documentElement)) {
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$(this._element).on(Event.MOUSEENTER, $.proxy(this.pause, this)).on(Event.MOUSELEAVE, $.proxy(this.cycle, this));
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}
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}
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}, {
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key: '_keydown',
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value: function _keydown(event) {
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event.preventDefault();
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if (/input|textarea/i.test(event.target.tagName)) {
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return;
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}
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switch (event.which) {
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case 37:
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this.prev();break;
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case 39:
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this.next();break;
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default:
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return;
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}
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}
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}, {
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key: '_getItemIndex',
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value: function _getItemIndex(element) {
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this._items = $.makeArray($(element).parent().find(Selector.ITEM));
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return this._items.indexOf(element);
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}
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}, {
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key: '_getItemByDirection',
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value: function _getItemByDirection(direction, activeElement) {
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var isNextDirection = direction === Direction.NEXT;
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var isPrevDirection = direction === Direction.PREVIOUS;
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var activeIndex = this._getItemIndex(activeElement);
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var lastItemIndex = this._items.length - 1;
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var isGoingToWrap = isPrevDirection && activeIndex === 0 || isNextDirection && activeIndex === lastItemIndex;
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if (isGoingToWrap && !this._config.wrap) {
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return activeElement;
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}
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var delta = direction === Direction.PREVIOUS ? -1 : 1;
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var itemIndex = (activeIndex + delta) % this._items.length;
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return itemIndex === -1 ? this._items[this._items.length - 1] : this._items[itemIndex];
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}
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}, {
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key: '_triggerSlideEvent',
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value: function _triggerSlideEvent(relatedTarget, directionalClassname) {
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var slideEvent = $.Event(Event.SLIDE, {
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relatedTarget: relatedTarget,
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direction: directionalClassname
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});
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$(this._element).trigger(slideEvent);
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return slideEvent;
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}
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}, {
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key: '_setActiveIndicatorElement',
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value: function _setActiveIndicatorElement(element) {
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if (this._indicatorsElement) {
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$(this._indicatorsElement).find(Selector.ACTIVE).removeClass(ClassName.ACTIVE);
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var nextIndicator = this._indicatorsElement.children[this._getItemIndex(element)];
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if (nextIndicator) {
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$(nextIndicator).addClass(ClassName.ACTIVE);
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}
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}
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}
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}, {
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key: '_slide',
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value: function _slide(direction, element) {
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var _this2 = this;
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var activeElement = $(this._element).find(Selector.ACTIVE_ITEM)[0];
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var nextElement = element || activeElement && this._getItemByDirection(direction, activeElement);
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var isCycling = Boolean(this._interval);
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var directionalClassName = direction === Direction.NEXT ? ClassName.LEFT : ClassName.RIGHT;
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if (nextElement && $(nextElement).hasClass(ClassName.ACTIVE)) {
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this._isSliding = false;
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return;
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}
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var slideEvent = this._triggerSlideEvent(nextElement, directionalClassName);
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if (slideEvent.isDefaultPrevented()) {
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return;
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}
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if (!activeElement || !nextElement) {
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// some weirdness is happening, so we bail
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return;
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}
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this._isSliding = true;
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if (isCycling) {
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this.pause();
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}
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this._setActiveIndicatorElement(nextElement);
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var slidEvent = $.Event(Event.SLID, {
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relatedTarget: nextElement,
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direction: directionalClassName
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});
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if (_Util['default'].supportsTransitionEnd() && $(this._element).hasClass(ClassName.SLIDE)) {
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$(nextElement).addClass(direction);
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_Util['default'].reflow(nextElement);
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$(activeElement).addClass(directionalClassName);
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$(nextElement).addClass(directionalClassName);
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$(activeElement).one(_Util['default'].TRANSITION_END, function () {
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$(nextElement).removeClass(directionalClassName).removeClass(direction);
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$(nextElement).addClass(ClassName.ACTIVE);
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$(activeElement).removeClass(ClassName.ACTIVE).removeClass(direction).removeClass(directionalClassName);
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_this2._isSliding = false;
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setTimeout(function () {
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return $(_this2._element).trigger(slidEvent);
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}, 0);
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}).emulateTransitionEnd(TRANSITION_DURATION);
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} else {
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$(activeElement).removeClass(ClassName.ACTIVE);
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$(nextElement).addClass(ClassName.ACTIVE);
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this._isSliding = false;
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$(this._element).trigger(slidEvent);
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}
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if (isCycling) {
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this.cycle();
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}
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}
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// static
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}], [{
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key: '_jQueryInterface',
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value: function _jQueryInterface(config) {
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return this.each(function () {
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var data = $(this).data(DATA_KEY);
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var _config = $.extend({}, Default, $(this).data());
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if (typeof config === 'object') {
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$.extend(_config, config);
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}
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var action = typeof config === 'string' ? config : _config.slide;
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if (!data) {
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data = new Carousel(this, _config);
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$(this).data(DATA_KEY, data);
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}
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if (typeof config === 'number') {
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data.to(config);
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} else if (action) {
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data[action]();
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} else if (_config.interval) {
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data.pause();
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data.cycle();
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}
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});
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}
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}, {
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key: '_dataApiClickHandler',
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value: function _dataApiClickHandler(event) {
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var selector = _Util['default'].getSelectorFromElement(this);
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if (!selector) {
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return;
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}
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var target = $(selector)[0];
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if (!target || !$(target).hasClass(ClassName.CAROUSEL)) {
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return;
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}
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var config = $.extend({}, $(target).data(), $(this).data());
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var slideIndex = this.getAttribute('data-slide-to');
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if (slideIndex) {
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config.interval = false;
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}
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Carousel._jQueryInterface.call($(target), config);
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if (slideIndex) {
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$(target).data(DATA_KEY).to(slideIndex);
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}
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event.preventDefault();
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}
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}, {
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key: 'VERSION',
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get: function get() {
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return VERSION;
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}
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}, {
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key: 'Default',
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get: function get() {
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return Default;
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}
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}]);
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return Carousel;
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})();
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$(document).on(Event.CLICK_DATA_API, Selector.DATA_SLIDE, Carousel._dataApiClickHandler);
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$(window).on(Event.LOAD_DATA_API, function () {
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$(Selector.DATA_RIDE).each(function () {
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var $carousel = $(this);
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Carousel._jQueryInterface.call($carousel, $carousel.data());
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});
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});
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/**
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* ------------------------------------------------------------------------
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* jQuery
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* ------------------------------------------------------------------------
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*/
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$.fn[NAME] = Carousel._jQueryInterface;
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$.fn[NAME].Constructor = Carousel;
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$.fn[NAME].noConflict = function () {
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$.fn[NAME] = JQUERY_NO_CONFLICT;
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return Carousel._jQueryInterface;
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};
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return Carousel;
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})(jQuery);
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module.exports = Carousel;
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});
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