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- var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
- 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; }; }();
- function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
- /**
- * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.6): carousel.js
- * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
- * --------------------------------------------------------------------------
- */
- var Carousel = function ($) {
- /**
- * ------------------------------------------------------------------------
- * Constants
- * ------------------------------------------------------------------------
- */
- var NAME = 'carousel';
- var VERSION = '4.0.0-alpha.6';
- var DATA_KEY = 'bs.carousel';
- var EVENT_KEY = '.' + DATA_KEY;
- var DATA_API_KEY = '.data-api';
- var JQUERY_NO_CONFLICT = $.fn[NAME];
- var TRANSITION_DURATION = 600;
- var ARROW_LEFT_KEYCODE = 37; // KeyboardEvent.which value for left arrow key
- var ARROW_RIGHT_KEYCODE = 39; // KeyboardEvent.which value for right arrow key
- var TOUCHEVENT_COMPAT_WAIT = 500; // Time for mouse compat events to fire after touch
- var Default = {
- interval: 5000,
- keyboard: true,
- slide: false,
- pause: 'hover',
- wrap: true
- };
- var DefaultType = {
- interval: '(number|boolean)',
- keyboard: 'boolean',
- slide: '(boolean|string)',
- pause: '(string|boolean)',
- wrap: 'boolean'
- };
- var Direction = {
- NEXT: 'next',
- PREV: 'prev',
- LEFT: 'left',
- RIGHT: 'right'
- };
- var Event = {
- SLIDE: 'slide' + EVENT_KEY,
- SLID: 'slid' + EVENT_KEY,
- KEYDOWN: 'keydown' + EVENT_KEY,
- MOUSEENTER: 'mouseenter' + EVENT_KEY,
- MOUSELEAVE: 'mouseleave' + EVENT_KEY,
- TOUCHEND: 'touchend' + EVENT_KEY,
- LOAD_DATA_API: 'load' + EVENT_KEY + DATA_API_KEY,
- CLICK_DATA_API: 'click' + EVENT_KEY + DATA_API_KEY
- };
- var ClassName = {
- CAROUSEL: 'carousel',
- ACTIVE: 'active',
- SLIDE: 'slide',
- RIGHT: 'carousel-item-right',
- LEFT: 'carousel-item-left',
- NEXT: 'carousel-item-next',
- PREV: 'carousel-item-prev',
- ITEM: 'carousel-item'
- };
- var Selector = {
- ACTIVE: '.active',
- ACTIVE_ITEM: '.active.carousel-item',
- ITEM: '.carousel-item',
- NEXT_PREV: '.carousel-item-next, .carousel-item-prev',
- INDICATORS: '.carousel-indicators',
- DATA_SLIDE: '[data-slide], [data-slide-to]',
- DATA_RIDE: '[data-ride="carousel"]'
- };
- /**
- * ------------------------------------------------------------------------
- * Class Definition
- * ------------------------------------------------------------------------
- */
- var Carousel = function () {
- function Carousel(element, config) {
- _classCallCheck(this, Carousel);
- this._items = null;
- this._interval = null;
- this._activeElement = null;
- this._isPaused = false;
- this._isSliding = false;
- this.touchTimeout = null;
- this._config = this._getConfig(config);
- this._element = $(element)[0];
- this._indicatorsElement = $(this._element).find(Selector.INDICATORS)[0];
- this._addEventListeners();
- }
- // getters
- // public
- Carousel.prototype.next = function next() {
- if (!this._isSliding) {
- this._slide(Direction.NEXT);
- }
- };
- Carousel.prototype.nextWhenVisible = function nextWhenVisible() {
- // Don't call next when the page isn't visible
- if (!document.hidden) {
- this.next();
- }
- };
- Carousel.prototype.prev = function prev() {
- if (!this._isSliding) {
- this._slide(Direction.PREV);
- }
- };
- Carousel.prototype.pause = function pause(event) {
- if (!event) {
- this._isPaused = true;
- }
- if ($(this._element).find(Selector.NEXT_PREV)[0] && Util.supportsTransitionEnd()) {
- Util.triggerTransitionEnd(this._element);
- this.cycle(true);
- }
- clearInterval(this._interval);
- this._interval = null;
- };
- Carousel.prototype.cycle = function cycle(event) {
- if (!event) {
- this._isPaused = false;
- }
- if (this._interval) {
- clearInterval(this._interval);
- this._interval = null;
- }
- if (this._config.interval && !this._isPaused) {
- this._interval = setInterval((document.visibilityState ? this.nextWhenVisible : this.next).bind(this), this._config.interval);
- }
- };
- Carousel.prototype.to = function to(index) {
- var _this = this;
- this._activeElement = $(this._element).find(Selector.ACTIVE_ITEM)[0];
- var activeIndex = this._getItemIndex(this._activeElement);
- if (index > this._items.length - 1 || index < 0) {
- return;
- }
- if (this._isSliding) {
- $(this._element).one(Event.SLID, function () {
- return _this.to(index);
- });
- return;
- }
- if (activeIndex === index) {
- this.pause();
- this.cycle();
- return;
- }
- var direction = index > activeIndex ? Direction.NEXT : Direction.PREV;
- this._slide(direction, this._items[index]);
- };
- Carousel.prototype.dispose = function dispose() {
- $(this._element).off(EVENT_KEY);
- $.removeData(this._element, DATA_KEY);
- this._items = null;
- this._config = null;
- this._element = null;
- this._interval = null;
- this._isPaused = null;
- this._isSliding = null;
- this._activeElement = null;
- this._indicatorsElement = null;
- };
- // private
- Carousel.prototype._getConfig = function _getConfig(config) {
- config = $.extend({}, Default, config);
- Util.typeCheckConfig(NAME, config, DefaultType);
- return config;
- };
- Carousel.prototype._addEventListeners = function _addEventListeners() {
- var _this2 = this;
- if (this._config.keyboard) {
- $(this._element).on(Event.KEYDOWN, function (event) {
- return _this2._keydown(event);
- });
- }
- if (this._config.pause === 'hover') {
- $(this._element).on(Event.MOUSEENTER, function (event) {
- return _this2.pause(event);
- }).on(Event.MOUSELEAVE, function (event) {
- return _this2.cycle(event);
- });
- if ('ontouchstart' in document.documentElement) {
- // if it's a touch-enabled device, mouseenter/leave are fired as
- // part of the mouse compatibility events on first tap - the carousel
- // would stop cycling until user tapped out of it;
- // here, we listen for touchend, explicitly pause the carousel
- // (as if it's the second time we tap on it, mouseenter compat event
- // is NOT fired) and after a timeout (to allow for mouse compatibility
- // events to fire) we explicitly restart cycling
- $(this._element).on(Event.TOUCHEND, function () {
- _this2.pause();
- if (_this2.touchTimeout) {
- clearTimeout(_this2.touchTimeout);
- }
- _this2.touchTimeout = setTimeout(function (event) {
- return _this2.cycle(event);
- }, TOUCHEVENT_COMPAT_WAIT + _this2._config.interval);
- });
- }
- }
- };
- Carousel.prototype._keydown = function _keydown(event) {
- if (/input|textarea/i.test(event.target.tagName)) {
- return;
- }
- switch (event.which) {
- case ARROW_LEFT_KEYCODE:
- event.preventDefault();
- this.prev();
- break;
- case ARROW_RIGHT_KEYCODE:
- event.preventDefault();
- this.next();
- break;
- default:
- return;
- }
- };
- Carousel.prototype._getItemIndex = function _getItemIndex(element) {
- this._items = $.makeArray($(element).parent().find(Selector.ITEM));
- return this._items.indexOf(element);
- };
- Carousel.prototype._getItemByDirection = function _getItemByDirection(direction, activeElement) {
- var isNextDirection = direction === Direction.NEXT;
- var isPrevDirection = direction === Direction.PREV;
- var activeIndex = this._getItemIndex(activeElement);
- var lastItemIndex = this._items.length - 1;
- var isGoingToWrap = isPrevDirection && activeIndex === 0 || isNextDirection && activeIndex === lastItemIndex;
- if (isGoingToWrap && !this._config.wrap) {
- return activeElement;
- }
- var delta = direction === Direction.PREV ? -1 : 1;
- var itemIndex = (activeIndex + delta) % this._items.length;
- return itemIndex === -1 ? this._items[this._items.length - 1] : this._items[itemIndex];
- };
- Carousel.prototype._triggerSlideEvent = function _triggerSlideEvent(relatedTarget, eventDirectionName) {
- var targetIndex = this._getItemIndex(relatedTarget);
- var fromIndex = this._getItemIndex($(this._element).find(Selector.ACTIVE_ITEM)[0]);
- var slideEvent = $.Event(Event.SLIDE, {
- relatedTarget: relatedTarget,
- direction: eventDirectionName,
- from: fromIndex,
- to: targetIndex
- });
- $(this._element).trigger(slideEvent);
- return slideEvent;
- };
- Carousel.prototype._setActiveIndicatorElement = function _setActiveIndicatorElement(element) {
- if (this._indicatorsElement) {
- $(this._indicatorsElement).find(Selector.ACTIVE).removeClass(ClassName.ACTIVE);
- var nextIndicator = this._indicatorsElement.children[this._getItemIndex(element)];
- if (nextIndicator) {
- $(nextIndicator).addClass(ClassName.ACTIVE);
- }
- }
- };
- Carousel.prototype._slide = function _slide(direction, element) {
- var _this3 = this;
- var activeElement = $(this._element).find(Selector.ACTIVE_ITEM)[0];
- var activeElementIndex = this._getItemIndex(activeElement);
- var nextElement = element || activeElement && this._getItemByDirection(direction, activeElement);
- var nextElementIndex = this._getItemIndex(nextElement);
- var isCycling = Boolean(this._interval);
- var directionalClassName = void 0;
- var orderClassName = void 0;
- var eventDirectionName = void 0;
- if (direction === Direction.NEXT) {
- directionalClassName = ClassName.LEFT;
- orderClassName = ClassName.NEXT;
- eventDirectionName = Direction.LEFT;
- } else {
- directionalClassName = ClassName.RIGHT;
- orderClassName = ClassName.PREV;
- eventDirectionName = Direction.RIGHT;
- }
- if (nextElement && $(nextElement).hasClass(ClassName.ACTIVE)) {
- this._isSliding = false;
- return;
- }
- var slideEvent = this._triggerSlideEvent(nextElement, eventDirectionName);
- if (slideEvent.isDefaultPrevented()) {
- return;
- }
- if (!activeElement || !nextElement) {
- // some weirdness is happening, so we bail
- return;
- }
- this._isSliding = true;
- if (isCycling) {
- this.pause();
- }
- this._setActiveIndicatorElement(nextElement);
- var slidEvent = $.Event(Event.SLID, {
- relatedTarget: nextElement,
- direction: eventDirectionName,
- from: activeElementIndex,
- to: nextElementIndex
- });
- if (Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.SLIDE)) {
- $(nextElement).addClass(orderClassName);
- Util.reflow(nextElement);
- $(activeElement).addClass(directionalClassName);
- $(nextElement).addClass(directionalClassName);
- $(activeElement).one(Util.TRANSITION_END, function () {
- $(nextElement).removeClass(directionalClassName + ' ' + orderClassName).addClass(ClassName.ACTIVE);
- $(activeElement).removeClass(ClassName.ACTIVE + ' ' + orderClassName + ' ' + directionalClassName);
- _this3._isSliding = false;
- setTimeout(function () {
- return $(_this3._element).trigger(slidEvent);
- }, 0);
- }).emulateTransitionEnd(TRANSITION_DURATION);
- } else {
- $(activeElement).removeClass(ClassName.ACTIVE);
- $(nextElement).addClass(ClassName.ACTIVE);
- this._isSliding = false;
- $(this._element).trigger(slidEvent);
- }
- if (isCycling) {
- this.cycle();
- }
- };
- // static
- Carousel._jQueryInterface = function _jQueryInterface(config) {
- return this.each(function () {
- var data = $(this).data(DATA_KEY);
- var _config = $.extend({}, Default, $(this).data());
- if ((typeof config === 'undefined' ? 'undefined' : _typeof(config)) === 'object') {
- $.extend(_config, config);
- }
- var action = typeof config === 'string' ? config : _config.slide;
- if (!data) {
- data = new Carousel(this, _config);
- $(this).data(DATA_KEY, data);
- }
- if (typeof config === 'number') {
- data.to(config);
- } else if (typeof action === 'string') {
- if (data[action] === undefined) {
- throw new Error('No method named "' + action + '"');
- }
- data[action]();
- } else if (_config.interval) {
- data.pause();
- data.cycle();
- }
- });
- };
- Carousel._dataApiClickHandler = function _dataApiClickHandler(event) {
- var selector = Util.getSelectorFromElement(this);
- if (!selector) {
- return;
- }
- var target = $(selector)[0];
- if (!target || !$(target).hasClass(ClassName.CAROUSEL)) {
- return;
- }
- var config = $.extend({}, $(target).data(), $(this).data());
- var slideIndex = this.getAttribute('data-slide-to');
- if (slideIndex) {
- config.interval = false;
- }
- Carousel._jQueryInterface.call($(target), config);
- if (slideIndex) {
- $(target).data(DATA_KEY).to(slideIndex);
- }
- event.preventDefault();
- };
- _createClass(Carousel, null, [{
- key: 'VERSION',
- get: function get() {
- return VERSION;
- }
- }, {
- key: 'Default',
- get: function get() {
- return Default;
- }
- }]);
- return Carousel;
- }();
- /**
- * ------------------------------------------------------------------------
- * Data Api implementation
- * ------------------------------------------------------------------------
- */
- $(document).on(Event.CLICK_DATA_API, Selector.DATA_SLIDE, Carousel._dataApiClickHandler);
- $(window).on(Event.LOAD_DATA_API, function () {
- $(Selector.DATA_RIDE).each(function () {
- var $carousel = $(this);
- Carousel._jQueryInterface.call($carousel, $carousel.data());
- });
- });
- /**
- * ------------------------------------------------------------------------
- * jQuery
- * ------------------------------------------------------------------------
- */
- $.fn[NAME] = Carousel._jQueryInterface;
- $.fn[NAME].Constructor = Carousel;
- $.fn[NAME].noConflict = function () {
- $.fn[NAME] = JQUERY_NO_CONFLICT;
- return Carousel._jQueryInterface;
- };
- return Carousel;
- }(jQuery);
- //# sourceMappingURL=carousel.js.map
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