/*!
* Bootstrap carousel.js v5.3.0-alpha3 (https://getbootstrap.com/)
* Copyright 2011-2023 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
*/
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('./base-component.js'), require('./dom/event-handler.js'), require('./dom/manipulator.js'), require('./dom/selector-engine.js'), require('./util/index.js'), require('./util/swipe.js')) :
typeof define === 'function' && define.amd ? define(['./base-component', './dom/event-handler', './dom/manipulator', './dom/selector-engine', './util/index', './util/swipe'], factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Carousel = factory(global.BaseComponent, global.EventHandler, global.Manipulator, global.SelectorEngine, global.Index, global.Swipe));
})(this, (function (BaseComponent, EventHandler, Manipulator, SelectorEngine, index_js, Swipe) { 'use strict';
/**
* --------------------------------------------------------------------------
* Bootstrap carousel.js
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
* --------------------------------------------------------------------------
*/
/**
* Constants
*/
const NAME = 'carousel';
const DATA_KEY = 'bs.carousel';
const EVENT_KEY = `.${DATA_KEY}`;
const DATA_API_KEY = '.data-api';
const ARROW_LEFT_KEY = 'ArrowLeft';
const ARROW_RIGHT_KEY = 'ArrowRight';
const TOUCHEVENT_COMPAT_WAIT = 500; // Time for mouse compat events to fire after touch
const ORDER_NEXT = 'next';
const ORDER_PREV = 'prev';
const DIRECTION_LEFT = 'left';
const DIRECTION_RIGHT = 'right';
const EVENT_SLIDE = `slide${EVENT_KEY}`;
const EVENT_SLID = `slid${EVENT_KEY}`;
const EVENT_KEYDOWN = `keydown${EVENT_KEY}`;
const EVENT_MOUSEENTER = `mouseenter${EVENT_KEY}`;
const EVENT_MOUSELEAVE = `mouseleave${EVENT_KEY}`;
const EVENT_DRAG_START = `dragstart${EVENT_KEY}`;
const EVENT_LOAD_DATA_API = `load${EVENT_KEY}${DATA_API_KEY}`;
const EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`;
const CLASS_NAME_CAROUSEL = 'carousel';
const CLASS_NAME_ACTIVE = 'active';
const CLASS_NAME_SLIDE = 'slide';
const CLASS_NAME_END = 'carousel-item-end';
const CLASS_NAME_START = 'carousel-item-start';
const CLASS_NAME_NEXT = 'carousel-item-next';
const CLASS_NAME_PREV = 'carousel-item-prev';
const SELECTOR_ACTIVE = '.active';
const SELECTOR_ITEM = '.carousel-item';
const SELECTOR_ACTIVE_ITEM = SELECTOR_ACTIVE + SELECTOR_ITEM;
const SELECTOR_ITEM_IMG = '.carousel-item img';
const SELECTOR_INDICATORS = '.carousel-indicators';
const SELECTOR_DATA_SLIDE = '[data-bs-slide], [data-bs-slide-to]';
const SELECTOR_DATA_RIDE = '[data-bs-ride="carousel"]';
const KEY_TO_DIRECTION = {
[ARROW_LEFT_KEY]: DIRECTION_RIGHT,
[ARROW_RIGHT_KEY]: DIRECTION_LEFT
};
const Default = {
interval: 5000,
keyboard: true,
pause: 'hover',
ride: false,
touch: true,
wrap: true
};
const DefaultType = {
interval: '(number|boolean)',
// TODO:v6 remove boolean support
keyboard: 'boolean',
pause: '(string|boolean)',
ride: '(boolean|string)',
touch: 'boolean',
wrap: 'boolean'
};
/**
* Class definition
*/
class Carousel extends BaseComponent {
constructor(element, config) {
super(element, config);
this._interval = null;
this._activeElement = null;
this._isSliding = false;
this.touchTimeout = null;
this._swipeHelper = null;
this._indicatorsElement = SelectorEngine.findOne(SELECTOR_INDICATORS, this._element);
this._addEventListeners();
if (this._config.ride === CLASS_NAME_CAROUSEL) {
this.cycle();
}
}
// Getters
static get Default() {
return Default;
}
static get DefaultType() {
return DefaultType;
}
static get NAME() {
return NAME;
}
// Public
next() {
this._slide(ORDER_NEXT);
}
nextWhenVisible() {
// FIXME TODO use `document.visibilityState`
// Don't call next when the page isn't visible
// or the carousel or its parent isn't visible
if (!document.hidden && index_js.isVisible(this._element)) {
this.next();
}
}
prev() {
this._slide(ORDER_PREV);
}
pause() {
if (this._isSliding) {
index_js.triggerTransitionEnd(this._element);
}
this._clearInterval();
}
cycle() {
this._clearInterval();
this._updateInterval();
this._interval = setInterval(() => this.nextWhenVisible(), this._config.interval);
}
_maybeEnableCycle() {
if (!this._config.ride) {
return;
}
if (this._isSliding) {
EventHandler.one(this._element, EVENT_SLID, () => this.cycle());
return;
}
this.cycle();
}
to(index) {
const items = this._getItems();
if (index > items.length - 1 || index < 0) {
return;
}
if (this._isSliding) {
EventHandler.one(this._element, EVENT_SLID, () => this.to(index));
return;
}
const activeIndex = this._getItemIndex(this._getActive());
if (activeIndex === index) {
return;
}
const order = index > activeIndex ? ORDER_NEXT : ORDER_PREV;
this._slide(order, items[index]);
}
dispose() {
if (this._swipeHelper) {
this._swipeHelper.dispose();
}
super.dispose();
}
// Private
_configAfterMerge(config) {
config.defaultInterval = config.interval;
return config;
}
_addEventListeners() {
if (this._config.keyboard) {
EventHandler.on(this._element, EVENT_KEYDOWN, event => this._keydown(event));
}
if (this._config.pause === 'hover') {
EventHandler.on(this._element, EVENT_MOUSEENTER, () => this.pause());
EventHandler.on(this._element, EVENT_MOUSELEAVE, () => this._maybeEnableCycle());
}
if (this._config.touch && Swipe.isSupported()) {
this._addTouchEventListeners();
}
}
_addTouchEventListeners() {
for (const img of SelectorEngine.find(SELECTOR_ITEM_IMG, this._element)) {
EventHandler.on(img, EVENT_DRAG_START, event => event.preventDefault());
}
const endCallBack = () => {
if (this._config.pause !== 'hover') {
return;
}
// 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.pause();
if (this.touchTimeout) {
clearTimeout(this.touchTimeout);
}
this.touchTimeout = setTimeout(() => this._maybeEnableCycle(), TOUCHEVENT_COMPAT_WAIT + this._config.interval);
};
const swipeConfig = {
leftCallback: () => this._slide(this._directionToOrder(DIRECTION_LEFT)),
rightCallback: () => this._slide(this._directionToOrder(DIRECTION_RIGHT)),
endCallback: endCallBack
};
this._swipeHelper = new Swipe(this._element, swipeConfig);
}
_keydown(event) {
if (/input|textarea/i.test(event.target.tagName)) {
return;
}
const direction = KEY_TO_DIRECTION[event.key];
if (direction) {
event.preventDefault();
this._slide(this._directionToOrder(direction));
}
}
_getItemIndex(element) {
return this._getItems().indexOf(element);
}
_setActiveIndicatorElement(index) {
if (!this._indicatorsElement) {
return;
}
const activeIndicator = SelectorEngine.findOne(SELECTOR_ACTIVE, this._indicatorsElement);
activeIndicator.classList.remove(CLASS_NAME_ACTIVE);
activeIndicator.removeAttribute('aria-current');
const newActiveIndicator = SelectorEngine.findOne(`[data-bs-slide-to="${index}"]`, this._indicatorsElement);
if (newActiveIndicator) {
newActiveIndicator.classList.add(CLASS_NAME_ACTIVE);
newActiveIndicator.setAttribute('aria-current', 'true');
}
}
_updateInterval() {
const element = this._activeElement || this._getActive();
if (!element) {
return;
}
const elementInterval = Number.parseInt(element.getAttribute('data-bs-interval'), 10);
this._config.interval = elementInterval || this._config.defaultInterval;
}
_slide(order, element = null) {
if (this._isSliding) {
return;
}
const activeElement = this._getActive();
const isNext = order === ORDER_NEXT;
const nextElement = element || index_js.getNextActiveElement(this._getItems(), activeElement, isNext, this._config.wrap);
if (nextElement === activeElement) {
return;
}
const nextElementIndex = this._getItemIndex(nextElement);
const triggerEvent = eventName => {
return EventHandler.trigger(this._element, eventName, {
relatedTarget: nextElement,
direction: this._orderToDirection(order),
from: this._getItemIndex(activeElement),
to: nextElementIndex
});
};
const slideEvent = triggerEvent(EVENT_SLIDE);
if (slideEvent.defaultPrevented) {
return;
}
if (!activeElement || !nextElement) {
// Some weirdness is happening, so we bail
// TODO: change tests that use empty divs to avoid this check
return;
}
const isCycling = Boolean(this._interval);
this.pause();
this._isSliding = true;
this._setActiveIndicatorElement(nextElementIndex);
this._activeElement = nextElement;
const directionalClassName = isNext ? CLASS_NAME_START : CLASS_NAME_END;
const orderClassName = isNext ? CLASS_NAME_NEXT : CLASS_NAME_PREV;
nextElement.classList.add(orderClassName);
index_js.reflow(nextElement);
activeElement.classList.add(directionalClassName);
nextElement.classList.add(directionalClassName);
const completeCallBack = () => {
nextElement.classList.remove(directionalClassName, orderClassName);
nextElement.classList.add(CLASS_NAME_ACTIVE);
activeElement.classList.remove(CLASS_NAME_ACTIVE, orderClassName, directionalClassName);
this._isSliding = false;
triggerEvent(EVENT_SLID);
};
this._queueCallback(completeCallBack, activeElement, this._isAnimated());
if (isCycling) {
this.cycle();
}
}
_isAnimated() {
return this._element.classList.contains(CLASS_NAME_SLIDE);
}
_getActive() {
return SelectorEngine.findOne(SELECTOR_ACTIVE_ITEM, this._element);
}
_getItems() {
return SelectorEngine.find(SELECTOR_ITEM, this._element);
}
_clearInterval() {
if (this._interval) {
clearInterval(this._interval);
this._interval = null;
}
}
_directionToOrder(direction) {
if (index_js.isRTL()) {
return direction === DIRECTION_LEFT ? ORDER_PREV : ORDER_NEXT;
}
return direction === DIRECTION_LEFT ? ORDER_NEXT : ORDER_PREV;
}
_orderToDirection(order) {
if (index_js.isRTL()) {
return order === ORDER_PREV ? DIRECTION_LEFT : DIRECTION_RIGHT;
}
return order === ORDER_PREV ? DIRECTION_RIGHT : DIRECTION_LEFT;
}
// Static
static jQueryInterface(config) {
return this.each(function () {
const data = Carousel.getOrCreateInstance(this, config);
if (typeof config === 'number') {
data.to(config);
return;
}
if (typeof config === 'string') {
if (data[config] === undefined || config.startsWith('_') || config === 'constructor') {
throw new TypeError(`No method named "${config}"`);
}
data[config]();
}
});
}
}
/**
* Data API implementation
*/
EventHandler.on(document, EVENT_CLICK_DATA_API, SELECTOR_DATA_SLIDE, function (event) {
const target = SelectorEngine.getElementFromSelector(this);
if (!target || !target.classList.contains(CLASS_NAME_CAROUSEL)) {
return;
}
event.preventDefault();
const carousel = Carousel.getOrCreateInstance(target);
const slideIndex = this.getAttribute('data-bs-slide-to');
if (slideIndex) {
carousel.to(slideIndex);
carousel._maybeEnableCycle();
return;
}
if (Manipulator.getDataAttribute(this, 'slide') === 'next') {
carousel.next();
carousel._maybeEnableCycle();
return;
}
carousel.prev();
carousel._maybeEnableCycle();
});
EventHandler.on(window, EVENT_LOAD_DATA_API, () => {
const carousels = SelectorEngine.find(SELECTOR_DATA_RIDE);
for (const carousel of carousels) {
Carousel.getOrCreateInstance(carousel);
}
});
/**
* jQuery
*/
index_js.defineJQueryPlugin(Carousel);
return Carousel;
}));
//# sourceMappingURL=carousel.js.map
