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Bootstrap/js/dist/carousel.js

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(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('jquery'), require('./util.js')) :
typeof define === 'function' && define.amd ? define(['jquery', './util.js'], factory) :
(global.Carousel = factory(global.jQuery,global.Util));
}(this, (function ($,Util) { 'use strict';
$ = $ && $.hasOwnProperty('default') ? $['default'] : $;
Util = Util && Util.hasOwnProperty('default') ? Util['default'] : Util;
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);
}
}
function _createClass(Constructor, protoProps, staticProps) {
if (protoProps) _defineProperties(Constructor.prototype, protoProps);
if (staticProps) _defineProperties(Constructor, staticProps);
return Constructor;
}
function _defineProperty(obj, key, value) {
if (key in obj) {
Object.defineProperty(obj, key, {
value: value,
enumerable: true,
configurable: true,
writable: true
});
} else {
obj[key] = value;
}
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return obj;
}
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function _objectSpread(target) {
for (var i = 1; i < arguments.length; i++) {
var source = arguments[i] != null ? arguments[i] : {};
var ownKeys = Object.keys(source);
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if (typeof Object.getOwnPropertySymbols === 'function') {
ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) {
return Object.getOwnPropertyDescriptor(source, sym).enumerable;
}));
}
ownKeys.forEach(function (key) {
_defineProperty(target, key, source[key]);
});
}
return target;
}
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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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var Carousel = function ($$$1) {
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/**
* ------------------------------------------------------------------------
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* Constants
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* ------------------------------------------------------------------------
*/
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var NAME = 'carousel';
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var VERSION = '4.1.3';
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var DATA_KEY = 'bs.carousel';
var EVENT_KEY = "." + DATA_KEY;
var DATA_API_KEY = '.data-api';
var JQUERY_NO_CONFLICT = $$$1.fn[NAME];
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
* ------------------------------------------------------------------------
*/
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};
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var Carousel =
/*#__PURE__*/
function () {
function Carousel(element, config) {
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 = $$$1(element)[0];
this._indicatorsElement = this._element.querySelector(Selector.INDICATORS);
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this._addEventListeners();
} // Getters
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var _proto = Carousel.prototype;
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// Public
_proto.next = function next() {
if (!this._isSliding) {
this._slide(Direction.NEXT);
}
};
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_proto.nextWhenVisible = function nextWhenVisible() {
// Don't call next when the page isn't visible
// or the carousel or its parent isn't visible
if (!document.hidden && $$$1(this._element).is(':visible') && $$$1(this._element).css('visibility') !== 'hidden') {
this.next();
}
};
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_proto.prev = function prev() {
if (!this._isSliding) {
this._slide(Direction.PREV);
}
};
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_proto.pause = function pause(event) {
if (!event) {
this._isPaused = true;
}
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if (this._element.querySelector(Selector.NEXT_PREV)) {
Util.triggerTransitionEnd(this._element);
this.cycle(true);
}
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clearInterval(this._interval);
this._interval = null;
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};
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_proto.cycle = function cycle(event) {
if (!event) {
this._isPaused = false;
}
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if (this._interval) {
clearInterval(this._interval);
this._interval = null;
}
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if (this._config.interval && !this._isPaused) {
this._interval = setInterval((document.visibilityState ? this.nextWhenVisible : this.next).bind(this), this._config.interval);
}
};
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_proto.to = function to(index) {
var _this = this;
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this._activeElement = this._element.querySelector(Selector.ACTIVE_ITEM);
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var activeIndex = this._getItemIndex(this._activeElement);
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if (index > this._items.length - 1 || index < 0) {
return;
}
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if (this._isSliding) {
$$$1(this._element).one(Event.SLID, function () {
return _this.to(index);
});
return;
}
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if (activeIndex === index) {
this.pause();
this.cycle();
return;
}
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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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_proto.dispose = function dispose() {
$$$1(this._element).off(EVENT_KEY);
$$$1.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
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_proto._getConfig = function _getConfig(config) {
config = _objectSpread({}, Default, config);
Util.typeCheckConfig(NAME, config, DefaultType);
return config;
};
_proto._addEventListeners = function _addEventListeners() {
var _this2 = this;
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if (this._config.keyboard) {
$$$1(this._element).on(Event.KEYDOWN, function (event) {
return _this2._keydown(event);
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});
}
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if (this._config.pause === 'hover') {
$$$1(this._element).on(Event.MOUSEENTER, function (event) {
return _this2.pause(event);
}).on(Event.MOUSELEAVE, function (event) {
return _this2.cycle(event);
});
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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
$$$1(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);
});
}
}
};
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_proto._keydown = function _keydown(event) {
if (/input|textarea/i.test(event.target.tagName)) {
return;
}
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switch (event.which) {
case ARROW_LEFT_KEYCODE:
event.preventDefault();
this.prev();
break;
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case ARROW_RIGHT_KEYCODE:
event.preventDefault();
this.next();
break;
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default:
}
};
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_proto._getItemIndex = function _getItemIndex(element) {
this._items = element && element.parentNode ? [].slice.call(element.parentNode.querySelectorAll(Selector.ITEM)) : [];
return this._items.indexOf(element);
};
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_proto._getItemByDirection = function _getItemByDirection(direction, activeElement) {
var isNextDirection = direction === Direction.NEXT;
var isPrevDirection = direction === Direction.PREV;
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var activeIndex = this._getItemIndex(activeElement);
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var lastItemIndex = this._items.length - 1;
var isGoingToWrap = isPrevDirection && activeIndex === 0 || isNextDirection && activeIndex === lastItemIndex;
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if (isGoingToWrap && !this._config.wrap) {
return activeElement;
}
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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];
};
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_proto._triggerSlideEvent = function _triggerSlideEvent(relatedTarget, eventDirectionName) {
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, {
relatedTarget: relatedTarget,
direction: eventDirectionName,
from: fromIndex,
to: targetIndex
});
$$$1(this._element).trigger(slideEvent);
return slideEvent;
};
_proto._setActiveIndicatorElement = function _setActiveIndicatorElement(element) {
if (this._indicatorsElement) {
var indicators = [].slice.call(this._indicatorsElement.querySelectorAll(Selector.ACTIVE));
$$$1(indicators).removeClass(ClassName.ACTIVE);
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var nextIndicator = this._indicatorsElement.children[this._getItemIndex(element)];
if (nextIndicator) {
$$$1(nextIndicator).addClass(ClassName.ACTIVE);
}
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}
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};
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_proto._slide = function _slide(direction, element) {
var _this3 = this;
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var activeElement = this._element.querySelector(Selector.ACTIVE_ITEM);
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var activeElementIndex = this._getItemIndex(activeElement);
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var nextElement = element || activeElement && this._getItemByDirection(direction, activeElement);
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var nextElementIndex = this._getItemIndex(nextElement);
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var isCycling = Boolean(this._interval);
var directionalClassName;
var orderClassName;
var eventDirectionName;
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if (direction === Direction.NEXT) {
directionalClassName = ClassName.LEFT;
orderClassName = ClassName.NEXT;
eventDirectionName = Direction.LEFT;
} else {
directionalClassName = ClassName.RIGHT;
orderClassName = ClassName.PREV;
eventDirectionName = Direction.RIGHT;
}
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if (nextElement && $$$1(nextElement).hasClass(ClassName.ACTIVE)) {
this._isSliding = false;
return;
}
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var slideEvent = this._triggerSlideEvent(nextElement, eventDirectionName);
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if (slideEvent.isDefaultPrevented()) {
return;
}
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if (!activeElement || !nextElement) {
// Some weirdness is happening, so we bail
return;
}
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this._isSliding = true;
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if (isCycling) {
this.pause();
}
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this._setActiveIndicatorElement(nextElement);
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var slidEvent = $$$1.Event(Event.SLID, {
relatedTarget: nextElement,
direction: eventDirectionName,
from: activeElementIndex,
to: nextElementIndex
});
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if ($$$1(this._element).hasClass(ClassName.SLIDE)) {
$$$1(nextElement).addClass(orderClassName);
Util.reflow(nextElement);
$$$1(activeElement).addClass(directionalClassName);
$$$1(nextElement).addClass(directionalClassName);
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var nextElementInterval = parseInt(nextElement.getAttribute('data-interval'), 10);
if (nextElementInterval) {
this._config.defaultInterval = this._config.defaultInterval || this._config.interval;
this._config.interval = nextElementInterval;
} else {
this._config.interval = this._config.defaultInterval || this._config.interval;
}
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var transitionDuration = Util.getTransitionDurationFromElement(activeElement);
$$$1(activeElement).one(Util.TRANSITION_END, function () {
$$$1(nextElement).removeClass(directionalClassName + " " + orderClassName).addClass(ClassName.ACTIVE);
$$$1(activeElement).removeClass(ClassName.ACTIVE + " " + orderClassName + " " + directionalClassName);
_this3._isSliding = false;
setTimeout(function () {
return $$$1(_this3._element).trigger(slidEvent);
}, 0);
}).emulateTransitionEnd(transitionDuration);
} else {
$$$1(activeElement).removeClass(ClassName.ACTIVE);
$$$1(nextElement).addClass(ClassName.ACTIVE);
this._isSliding = false;
$$$1(this._element).trigger(slidEvent);
}
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if (isCycling) {
this.cycle();
}
}; // Static
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Carousel._jQueryInterface = function _jQueryInterface(config) {
return this.each(function () {
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') {
_config = _objectSpread({}, _config, config);
}
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var action = typeof config === 'string' ? config : _config.slide;
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if (!data) {
data = new Carousel(this, _config);
$$$1(this).data(DATA_KEY, data);
}
if (typeof config === 'number') {
data.to(config);
} else if (typeof action === 'string') {
if (typeof data[action] === 'undefined') {
throw new TypeError("No method named \"" + action + "\"");
}
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data[action]();
} else if (_config.interval) {
data.pause();
data.cycle();
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}
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});
};
Carousel._dataApiClickHandler = function _dataApiClickHandler(event) {
var selector = Util.getSelectorFromElement(this);
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if (!selector) {
return;
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}
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var target = $$$1(selector)[0];
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if (!target || !$$$1(target).hasClass(ClassName.CAROUSEL)) {
return;
}
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var config = _objectSpread({}, $$$1(target).data(), $$$1(this).data());
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var slideIndex = this.getAttribute('data-slide-to');
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if (slideIndex) {
config.interval = false;
}
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Carousel._jQueryInterface.call($$$1(target), config);
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if (slideIndex) {
$$$1(target).data(DATA_KEY).to(slideIndex);
}
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event.preventDefault();
};
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_createClass(Carousel, null, [{
key: "VERSION",
get: function get() {
return VERSION;
}
}, {
key: "Default",
get: function get() {
return Default;
}
}]);
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return Carousel;
}();
/**
* ------------------------------------------------------------------------
* Data Api implementation
* ------------------------------------------------------------------------
*/
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$$$1(document).on(Event.CLICK_DATA_API, Selector.DATA_SLIDE, Carousel._dataApiClickHandler);
$$$1(window).on(Event.LOAD_DATA_API, function () {
var carousels = [].slice.call(document.querySelectorAll(Selector.DATA_RIDE));
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for (var i = 0, len = carousels.length; i < len; i++) {
var $carousel = $$$1(carousels[i]);
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Carousel._jQueryInterface.call($carousel, $carousel.data());
}
});
/**
* ------------------------------------------------------------------------
* jQuery
* ------------------------------------------------------------------------
*/
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$$$1.fn[NAME] = Carousel._jQueryInterface;
$$$1.fn[NAME].Constructor = Carousel;
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$$$1.fn[NAME].noConflict = function () {
$$$1.fn[NAME] = JQUERY_NO_CONFLICT;
return Carousel._jQueryInterface;
};
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return Carousel;
}($);
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return Carousel;
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})));
//# sourceMappingURL=carousel.js.map