mirror of
https://github.com/twbs/bootstrap.git
synced 2022-11-09 12:25:43 -05:00
567 lines
18 KiB
JavaScript
567 lines
18 KiB
JavaScript
(function (global, factory) {
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typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('jquery'), require('./util.js')) :
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typeof define === 'function' && define.amd ? define(['jquery', './util.js'], factory) :
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(global.Carousel = factory(global.jQuery,global.Util));
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}(this, (function ($,Util) { 'use strict';
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$ = $ && $.hasOwnProperty('default') ? $['default'] : $;
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Util = Util && Util.hasOwnProperty('default') ? Util['default'] : Util;
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function _defineProperties(target, props) {
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for (var i = 0; i < props.length; i++) {
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var descriptor = props[i];
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descriptor.enumerable = descriptor.enumerable || false;
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descriptor.configurable = true;
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if ("value" in descriptor) descriptor.writable = true;
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Object.defineProperty(target, descriptor.key, descriptor);
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}
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}
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function _createClass(Constructor, protoProps, staticProps) {
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if (protoProps) _defineProperties(Constructor.prototype, protoProps);
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if (staticProps) _defineProperties(Constructor, staticProps);
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return Constructor;
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}
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function _defineProperty(obj, key, value) {
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if (key in obj) {
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Object.defineProperty(obj, key, {
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value: value,
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enumerable: true,
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configurable: true,
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writable: true
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});
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} else {
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obj[key] = value;
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}
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return obj;
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}
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function _objectSpread(target) {
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for (var i = 1; i < arguments.length; i++) {
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var source = arguments[i] != null ? arguments[i] : {};
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var ownKeys = Object.keys(source);
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if (typeof Object.getOwnPropertySymbols === 'function') {
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ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) {
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return Object.getOwnPropertyDescriptor(source, sym).enumerable;
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}));
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}
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ownKeys.forEach(function (key) {
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_defineProperty(target, key, source[key]);
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});
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}
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return target;
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}
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/**
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* --------------------------------------------------------------------------
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* Bootstrap (v4.1.3): 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 ($$$1) {
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/**
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* ------------------------------------------------------------------------
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* Constants
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* ------------------------------------------------------------------------
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*/
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var NAME = 'carousel';
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var VERSION = '4.1.3';
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var DATA_KEY = 'bs.carousel';
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var EVENT_KEY = "." + DATA_KEY;
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var DATA_API_KEY = '.data-api';
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var JQUERY_NO_CONFLICT = $$$1.fn[NAME];
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var ARROW_LEFT_KEYCODE = 37; // KeyboardEvent.which value for left arrow key
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var ARROW_RIGHT_KEYCODE = 39; // KeyboardEvent.which value for right arrow key
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var TOUCHEVENT_COMPAT_WAIT = 500; // Time for mouse compat events to fire after touch
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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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PREV: 'prev',
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LEFT: 'left',
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RIGHT: 'right'
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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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TOUCHEND: "touchend" + 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: 'carousel-item-right',
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LEFT: 'carousel-item-left',
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NEXT: 'carousel-item-next',
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PREV: 'carousel-item-prev',
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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: '.carousel-item-next, .carousel-item-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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* Class Definition
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* ------------------------------------------------------------------------
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*/
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};
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var Carousel =
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/*#__PURE__*/
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function () {
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function Carousel(element, config) {
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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.touchTimeout = null;
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this._config = this._getConfig(config);
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this._element = $$$1(element)[0];
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this._indicatorsElement = this._element.querySelector(Selector.INDICATORS);
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this._addEventListeners();
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} // Getters
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var _proto = Carousel.prototype;
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// Public
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_proto.next = function next() {
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if (!this._isSliding) {
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this._slide(Direction.NEXT);
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}
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};
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_proto.nextWhenVisible = function nextWhenVisible() {
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// Don't call next when the page isn't visible
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// or the carousel or its parent isn't visible
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if (!document.hidden && $$$1(this._element).is(':visible') && $$$1(this._element).css('visibility') !== 'hidden') {
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this.next();
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}
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};
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_proto.prev = function prev() {
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if (!this._isSliding) {
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this._slide(Direction.PREV);
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}
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};
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_proto.pause = 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.querySelector(Selector.NEXT_PREV)) {
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Util.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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_proto.cycle = 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((document.visibilityState ? this.nextWhenVisible : this.next).bind(this), this._config.interval);
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}
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};
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_proto.to = function to(index) {
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var _this = this;
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this._activeElement = this._element.querySelector(Selector.ACTIVE_ITEM);
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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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$$$1(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.PREV;
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this._slide(direction, this._items[index]);
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};
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_proto.dispose = function dispose() {
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$$$1(this._element).off(EVENT_KEY);
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$$$1.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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}; // Private
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_proto._getConfig = function _getConfig(config) {
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config = _objectSpread({}, Default, config);
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Util.typeCheckConfig(NAME, config, DefaultType);
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return config;
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};
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_proto._addEventListeners = function _addEventListeners() {
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var _this2 = this;
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if (this._config.keyboard) {
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$$$1(this._element).on(Event.KEYDOWN, function (event) {
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return _this2._keydown(event);
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});
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}
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if (this._config.pause === 'hover') {
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$$$1(this._element).on(Event.MOUSEENTER, function (event) {
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return _this2.pause(event);
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}).on(Event.MOUSELEAVE, function (event) {
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return _this2.cycle(event);
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});
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if ('ontouchstart' in document.documentElement) {
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// If it's a touch-enabled device, mouseenter/leave are fired as
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// part of the mouse compatibility events on first tap - the carousel
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// would stop cycling until user tapped out of it;
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// here, we listen for touchend, explicitly pause the carousel
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// (as if it's the second time we tap on it, mouseenter compat event
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// is NOT fired) and after a timeout (to allow for mouse compatibility
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// events to fire) we explicitly restart cycling
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$$$1(this._element).on(Event.TOUCHEND, function () {
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_this2.pause();
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if (_this2.touchTimeout) {
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clearTimeout(_this2.touchTimeout);
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}
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_this2.touchTimeout = setTimeout(function (event) {
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return _this2.cycle(event);
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}, TOUCHEVENT_COMPAT_WAIT + _this2._config.interval);
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});
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}
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}
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};
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_proto._keydown = function _keydown(event) {
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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 ARROW_LEFT_KEYCODE:
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event.preventDefault();
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this.prev();
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break;
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case ARROW_RIGHT_KEYCODE:
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event.preventDefault();
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this.next();
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break;
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default:
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}
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};
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_proto._getItemIndex = function _getItemIndex(element) {
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this._items = element && element.parentNode ? [].slice.call(element.parentNode.querySelectorAll(Selector.ITEM)) : [];
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return this._items.indexOf(element);
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};
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_proto._getItemByDirection = function _getItemByDirection(direction, activeElement) {
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var isNextDirection = direction === Direction.NEXT;
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var isPrevDirection = direction === Direction.PREV;
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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.PREV ? -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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_proto._triggerSlideEvent = function _triggerSlideEvent(relatedTarget, eventDirectionName) {
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var targetIndex = this._getItemIndex(relatedTarget);
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var fromIndex = this._getItemIndex(this._element.querySelector(Selector.ACTIVE_ITEM));
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var slideEvent = $$$1.Event(Event.SLIDE, {
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relatedTarget: relatedTarget,
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direction: eventDirectionName,
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from: fromIndex,
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to: targetIndex
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});
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$$$1(this._element).trigger(slideEvent);
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return slideEvent;
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};
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_proto._setActiveIndicatorElement = function _setActiveIndicatorElement(element) {
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if (this._indicatorsElement) {
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var indicators = [].slice.call(this._indicatorsElement.querySelectorAll(Selector.ACTIVE));
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$$$1(indicators).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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$$$1(nextIndicator).addClass(ClassName.ACTIVE);
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}
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}
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};
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_proto._slide = function _slide(direction, element) {
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var _this3 = this;
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var activeElement = this._element.querySelector(Selector.ACTIVE_ITEM);
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var activeElementIndex = this._getItemIndex(activeElement);
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var nextElement = element || activeElement && this._getItemByDirection(direction, activeElement);
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var nextElementIndex = this._getItemIndex(nextElement);
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var isCycling = Boolean(this._interval);
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var directionalClassName;
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var orderClassName;
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var eventDirectionName;
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if (direction === Direction.NEXT) {
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directionalClassName = ClassName.LEFT;
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orderClassName = ClassName.NEXT;
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eventDirectionName = Direction.LEFT;
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} else {
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directionalClassName = ClassName.RIGHT;
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orderClassName = ClassName.PREV;
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eventDirectionName = Direction.RIGHT;
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}
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if (nextElement && $$$1(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, eventDirectionName);
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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 = $$$1.Event(Event.SLID, {
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relatedTarget: nextElement,
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direction: eventDirectionName,
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from: activeElementIndex,
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to: nextElementIndex
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});
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if ($$$1(this._element).hasClass(ClassName.SLIDE)) {
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$$$1(nextElement).addClass(orderClassName);
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Util.reflow(nextElement);
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$$$1(activeElement).addClass(directionalClassName);
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$$$1(nextElement).addClass(directionalClassName);
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var transitionDuration = Util.getTransitionDurationFromElement(activeElement);
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$$$1(activeElement).one(Util.TRANSITION_END, function () {
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$$$1(nextElement).removeClass(directionalClassName + " " + orderClassName).addClass(ClassName.ACTIVE);
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$$$1(activeElement).removeClass(ClassName.ACTIVE + " " + orderClassName + " " + directionalClassName);
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_this3._isSliding = false;
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setTimeout(function () {
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return $$$1(_this3._element).trigger(slidEvent);
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}, 0);
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}).emulateTransitionEnd(transitionDuration);
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} else {
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$$$1(activeElement).removeClass(ClassName.ACTIVE);
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$$$1(nextElement).addClass(ClassName.ACTIVE);
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this._isSliding = false;
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$$$1(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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}; // Static
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Carousel._jQueryInterface = function _jQueryInterface(config) {
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return this.each(function () {
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var data = $$$1(this).data(DATA_KEY);
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var _config = _objectSpread({}, Default, $$$1(this).data());
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if (typeof config === 'object') {
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_config = _objectSpread({}, _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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$$$1(this).data(DATA_KEY, data);
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}
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if (typeof config === 'number') {
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data.to(config);
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} else if (typeof action === 'string') {
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if (typeof data[action] === 'undefined') {
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throw new TypeError("No method named \"" + action + "\"");
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}
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data[action]();
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} else if (_config.interval) {
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data.pause();
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data.cycle();
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}
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});
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};
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Carousel._dataApiClickHandler = function _dataApiClickHandler(event) {
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var selector = Util.getSelectorFromElement(this);
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if (!selector) {
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return;
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}
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var target = $$$1(selector)[0];
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if (!target || !$$$1(target).hasClass(ClassName.CAROUSEL)) {
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return;
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}
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var config = _objectSpread({}, $$$1(target).data(), $$$1(this).data());
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var slideIndex = this.getAttribute('data-slide-to');
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if (slideIndex) {
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config.interval = false;
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}
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Carousel._jQueryInterface.call($$$1(target), config);
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if (slideIndex) {
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$$$1(target).data(DATA_KEY).to(slideIndex);
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}
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event.preventDefault();
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};
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_createClass(Carousel, null, [{
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key: "VERSION",
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get: function get() {
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return VERSION;
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}
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}, {
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key: "Default",
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get: function get() {
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return Default;
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}
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}]);
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return Carousel;
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}();
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/**
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* ------------------------------------------------------------------------
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* Data Api implementation
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* ------------------------------------------------------------------------
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*/
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$$$1(document).on(Event.CLICK_DATA_API, Selector.DATA_SLIDE, Carousel._dataApiClickHandler);
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$$$1(window).on(Event.LOAD_DATA_API, function () {
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var carousels = [].slice.call(document.querySelectorAll(Selector.DATA_RIDE));
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for (var i = 0, len = carousels.length; i < len; i++) {
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var $carousel = $$$1(carousels[i]);
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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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$$$1.fn[NAME] = Carousel._jQueryInterface;
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$$$1.fn[NAME].Constructor = Carousel;
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$$$1.fn[NAME].noConflict = function () {
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$$$1.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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}($);
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return Carousel;
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})));
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//# sourceMappingURL=carousel.js.map
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