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- (function (global, factory) {
- typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('./dom/selector-engine.js'), require('./dom/event-handler.js'), require('./dom/manipulator.js'), require('./base-component.js')) :
- typeof define === 'function' && define.amd ? define(['./dom/selector-engine', './dom/event-handler', './dom/manipulator', './base-component'], factory) :
- (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Carousel = factory(global.SelectorEngine, global.EventHandler, global.Manipulator, global.Base));
- }(this, (function (SelectorEngine, EventHandler, Manipulator, BaseComponent) { 'use strict';
- function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
- var SelectorEngine__default = _interopDefaultLegacy(SelectorEngine);
- var EventHandler__default = _interopDefaultLegacy(EventHandler);
- var Manipulator__default = _interopDefaultLegacy(Manipulator);
- var BaseComponent__default = _interopDefaultLegacy(BaseComponent);
- const TRANSITION_END = 'transitionend';
- const toType = obj => {
- if (obj === null || obj === undefined) {
- return `${obj}`;
- }
- return {}.toString.call(obj).match(/\s([a-z]+)/i)[1].toLowerCase();
- };
- const getSelector = element => {
- let selector = element.getAttribute('data-bs-target');
- if (!selector || selector === '#') {
- let hrefAttr = element.getAttribute('href');
-
-
-
- if (!hrefAttr || !hrefAttr.includes('#') && !hrefAttr.startsWith('.')) {
- return null;
- }
- if (hrefAttr.includes('#') && !hrefAttr.startsWith('#')) {
- hrefAttr = `#${hrefAttr.split('#')[1]}`;
- }
- selector = hrefAttr && hrefAttr !== '#' ? hrefAttr.trim() : null;
- }
- return selector;
- };
- const getElementFromSelector = element => {
- const selector = getSelector(element);
- return selector ? document.querySelector(selector) : null;
- };
- const triggerTransitionEnd = element => {
- element.dispatchEvent(new Event(TRANSITION_END));
- };
- const isElement = obj => {
- if (!obj || typeof obj !== 'object') {
- return false;
- }
- if (typeof obj.jquery !== 'undefined') {
- obj = obj[0];
- }
- return typeof obj.nodeType !== 'undefined';
- };
- const typeCheckConfig = (componentName, config, configTypes) => {
- Object.keys(configTypes).forEach(property => {
- const expectedTypes = configTypes[property];
- const value = config[property];
- const valueType = value && isElement(value) ? 'element' : toType(value);
- if (!new RegExp(expectedTypes).test(valueType)) {
- throw new TypeError(`${componentName.toUpperCase()}: Option "${property}" provided type "${valueType}" but expected type "${expectedTypes}".`);
- }
- });
- };
- const isVisible = element => {
- if (!isElement(element) || element.getClientRects().length === 0) {
- return false;
- }
- return getComputedStyle(element).getPropertyValue('visibility') === 'visible';
- };
- const reflow = element => element.offsetHeight;
- const getjQuery = () => {
- const {
- jQuery
- } = window;
- if (jQuery && !document.body.hasAttribute('data-bs-no-jquery')) {
- return jQuery;
- }
- return null;
- };
- const DOMContentLoadedCallbacks = [];
- const onDOMContentLoaded = callback => {
- if (document.readyState === 'loading') {
-
- if (!DOMContentLoadedCallbacks.length) {
- document.addEventListener('DOMContentLoaded', () => {
- DOMContentLoadedCallbacks.forEach(callback => callback());
- });
- }
- DOMContentLoadedCallbacks.push(callback);
- } else {
- callback();
- }
- };
- const isRTL = () => document.documentElement.dir === 'rtl';
- const defineJQueryPlugin = plugin => {
- onDOMContentLoaded(() => {
- const $ = getjQuery();
-
- if ($) {
- const name = plugin.NAME;
- const JQUERY_NO_CONFLICT = $.fn[name];
- $.fn[name] = plugin.jQueryInterface;
- $.fn[name].Constructor = plugin;
- $.fn[name].noConflict = () => {
- $.fn[name] = JQUERY_NO_CONFLICT;
- return plugin.jQueryInterface;
- };
- }
- });
- };
-
- const getNextActiveElement = (list, activeElement, shouldGetNext, isCycleAllowed) => {
- let index = list.indexOf(activeElement);
- if (index === -1) {
- return list[!shouldGetNext && isCycleAllowed ? list.length - 1 : 0];
- }
- const listLength = list.length;
- index += shouldGetNext ? 1 : -1;
- if (isCycleAllowed) {
- index = (index + listLength) % listLength;
- }
- return list[Math.max(0, Math.min(index, listLength - 1))];
- };
-
-
- const NAME = 'carousel';
- const DATA_KEY = 'bs.carousel';
- const EVENT_KEY = `.${DATA_KEY}`;
- const DATA_API_KEY = '.data-api';
- const ARROW_LEFT_KEY = 'ArrowLeft';
- const ARROW_RIGHT_KEY = 'ArrowRight';
- const TOUCHEVENT_COMPAT_WAIT = 500;
- const SWIPE_THRESHOLD = 40;
- const Default = {
- interval: 5000,
- keyboard: true,
- slide: false,
- pause: 'hover',
- wrap: true,
- touch: true
- };
- const DefaultType = {
- interval: '(number|boolean)',
- keyboard: 'boolean',
- slide: '(boolean|string)',
- pause: '(string|boolean)',
- wrap: 'boolean',
- touch: 'boolean'
- };
- const ORDER_NEXT = 'next';
- const ORDER_PREV = 'prev';
- const DIRECTION_LEFT = 'left';
- const DIRECTION_RIGHT = 'right';
- const KEY_TO_DIRECTION = {
- [ARROW_LEFT_KEY]: DIRECTION_RIGHT,
- [ARROW_RIGHT_KEY]: DIRECTION_LEFT
- };
- 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${EVENT_KEY}`;
- const EVENT_TOUCHSTART = `touchstart${EVENT_KEY}`;
- const EVENT_TOUCHMOVE = `touchmove${EVENT_KEY}`;
- const EVENT_TOUCHEND = `touchend${EVENT_KEY}`;
- const EVENT_POINTERDOWN = `pointerdown${EVENT_KEY}`;
- const EVENT_POINTERUP = `pointerup${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 CLASS_NAME_POINTER_EVENT = 'pointer-event';
- const SELECTOR_ACTIVE = '.active';
- const SELECTOR_ACTIVE_ITEM = '.active.carousel-item';
- const SELECTOR_ITEM = '.carousel-item';
- const SELECTOR_ITEM_IMG = '.carousel-item img';
- const SELECTOR_NEXT_PREV = '.carousel-item-next, .carousel-item-prev';
- const SELECTOR_INDICATORS = '.carousel-indicators';
- const SELECTOR_INDICATOR = '[data-bs-target]';
- const SELECTOR_DATA_SLIDE = '[data-bs-slide], [data-bs-slide-to]';
- const SELECTOR_DATA_RIDE = '[data-bs-ride="carousel"]';
- const POINTER_TYPE_TOUCH = 'touch';
- const POINTER_TYPE_PEN = 'pen';
-
- class Carousel extends BaseComponent__default['default'] {
- constructor(element, config) {
- super(element);
- this._items = null;
- this._interval = null;
- this._activeElement = null;
- this._isPaused = false;
- this._isSliding = false;
- this.touchTimeout = null;
- this.touchStartX = 0;
- this.touchDeltaX = 0;
- this._config = this._getConfig(config);
- this._indicatorsElement = SelectorEngine__default['default'].findOne(SELECTOR_INDICATORS, this._element);
- this._touchSupported = 'ontouchstart' in document.documentElement || navigator.maxTouchPoints > 0;
- this._pointerEvent = Boolean(window.PointerEvent);
- this._addEventListeners();
- }
- static get Default() {
- return Default;
- }
- static get NAME() {
- return NAME;
- }
- next() {
- this._slide(ORDER_NEXT);
- }
- nextWhenVisible() {
-
-
- if (!document.hidden && isVisible(this._element)) {
- this.next();
- }
- }
- prev() {
- this._slide(ORDER_PREV);
- }
- pause(event) {
- if (!event) {
- this._isPaused = true;
- }
- if (SelectorEngine__default['default'].findOne(SELECTOR_NEXT_PREV, this._element)) {
- triggerTransitionEnd(this._element);
- this.cycle(true);
- }
- clearInterval(this._interval);
- this._interval = null;
- }
- cycle(event) {
- if (!event) {
- this._isPaused = false;
- }
- if (this._interval) {
- clearInterval(this._interval);
- this._interval = null;
- }
- if (this._config && this._config.interval && !this._isPaused) {
- this._updateInterval();
- this._interval = setInterval((document.visibilityState ? this.nextWhenVisible : this.next).bind(this), this._config.interval);
- }
- }
- to(index) {
- this._activeElement = SelectorEngine__default['default'].findOne(SELECTOR_ACTIVE_ITEM, this._element);
- const activeIndex = this._getItemIndex(this._activeElement);
- if (index > this._items.length - 1 || index < 0) {
- return;
- }
- if (this._isSliding) {
- EventHandler__default['default'].one(this._element, EVENT_SLID, () => this.to(index));
- return;
- }
- if (activeIndex === index) {
- this.pause();
- this.cycle();
- return;
- }
- const order = index > activeIndex ? ORDER_NEXT : ORDER_PREV;
- this._slide(order, this._items[index]);
- }
- _getConfig(config) {
- config = { ...Default,
- ...Manipulator__default['default'].getDataAttributes(this._element),
- ...(typeof config === 'object' ? config : {})
- };
- typeCheckConfig(NAME, config, DefaultType);
- return config;
- }
- _handleSwipe() {
- const absDeltax = Math.abs(this.touchDeltaX);
- if (absDeltax <= SWIPE_THRESHOLD) {
- return;
- }
- const direction = absDeltax / this.touchDeltaX;
- this.touchDeltaX = 0;
- if (!direction) {
- return;
- }
- this._slide(direction > 0 ? DIRECTION_RIGHT : DIRECTION_LEFT);
- }
- _addEventListeners() {
- if (this._config.keyboard) {
- EventHandler__default['default'].on(this._element, EVENT_KEYDOWN, event => this._keydown(event));
- }
- if (this._config.pause === 'hover') {
- EventHandler__default['default'].on(this._element, EVENT_MOUSEENTER, event => this.pause(event));
- EventHandler__default['default'].on(this._element, EVENT_MOUSELEAVE, event => this.cycle(event));
- }
- if (this._config.touch && this._touchSupported) {
- this._addTouchEventListeners();
- }
- }
- _addTouchEventListeners() {
- const start = event => {
- if (this._pointerEvent && (event.pointerType === POINTER_TYPE_PEN || event.pointerType === POINTER_TYPE_TOUCH)) {
- this.touchStartX = event.clientX;
- } else if (!this._pointerEvent) {
- this.touchStartX = event.touches[0].clientX;
- }
- };
- const move = event => {
-
- this.touchDeltaX = event.touches && event.touches.length > 1 ? 0 : event.touches[0].clientX - this.touchStartX;
- };
- const end = event => {
- if (this._pointerEvent && (event.pointerType === POINTER_TYPE_PEN || event.pointerType === POINTER_TYPE_TOUCH)) {
- this.touchDeltaX = event.clientX - this.touchStartX;
- }
- this._handleSwipe();
- if (this._config.pause === 'hover') {
-
-
-
-
-
-
-
- this.pause();
- if (this.touchTimeout) {
- clearTimeout(this.touchTimeout);
- }
- this.touchTimeout = setTimeout(event => this.cycle(event), TOUCHEVENT_COMPAT_WAIT + this._config.interval);
- }
- };
- SelectorEngine__default['default'].find(SELECTOR_ITEM_IMG, this._element).forEach(itemImg => {
- EventHandler__default['default'].on(itemImg, EVENT_DRAG_START, e => e.preventDefault());
- });
- if (this._pointerEvent) {
- EventHandler__default['default'].on(this._element, EVENT_POINTERDOWN, event => start(event));
- EventHandler__default['default'].on(this._element, EVENT_POINTERUP, event => end(event));
- this._element.classList.add(CLASS_NAME_POINTER_EVENT);
- } else {
- EventHandler__default['default'].on(this._element, EVENT_TOUCHSTART, event => start(event));
- EventHandler__default['default'].on(this._element, EVENT_TOUCHMOVE, event => move(event));
- EventHandler__default['default'].on(this._element, EVENT_TOUCHEND, event => end(event));
- }
- }
- _keydown(event) {
- if (/input|textarea/i.test(event.target.tagName)) {
- return;
- }
- const direction = KEY_TO_DIRECTION[event.key];
- if (direction) {
- event.preventDefault();
- this._slide(direction);
- }
- }
- _getItemIndex(element) {
- this._items = element && element.parentNode ? SelectorEngine__default['default'].find(SELECTOR_ITEM, element.parentNode) : [];
- return this._items.indexOf(element);
- }
- _getItemByOrder(order, activeElement) {
- const isNext = order === ORDER_NEXT;
- return getNextActiveElement(this._items, activeElement, isNext, this._config.wrap);
- }
- _triggerSlideEvent(relatedTarget, eventDirectionName) {
- const targetIndex = this._getItemIndex(relatedTarget);
- const fromIndex = this._getItemIndex(SelectorEngine__default['default'].findOne(SELECTOR_ACTIVE_ITEM, this._element));
- return EventHandler__default['default'].trigger(this._element, EVENT_SLIDE, {
- relatedTarget,
- direction: eventDirectionName,
- from: fromIndex,
- to: targetIndex
- });
- }
- _setActiveIndicatorElement(element) {
- if (this._indicatorsElement) {
- const activeIndicator = SelectorEngine__default['default'].findOne(SELECTOR_ACTIVE, this._indicatorsElement);
- activeIndicator.classList.remove(CLASS_NAME_ACTIVE);
- activeIndicator.removeAttribute('aria-current');
- const indicators = SelectorEngine__default['default'].find(SELECTOR_INDICATOR, this._indicatorsElement);
- for (let i = 0; i < indicators.length; i++) {
- if (Number.parseInt(indicators[i].getAttribute('data-bs-slide-to'), 10) === this._getItemIndex(element)) {
- indicators[i].classList.add(CLASS_NAME_ACTIVE);
- indicators[i].setAttribute('aria-current', 'true');
- break;
- }
- }
- }
- }
- _updateInterval() {
- const element = this._activeElement || SelectorEngine__default['default'].findOne(SELECTOR_ACTIVE_ITEM, this._element);
- if (!element) {
- return;
- }
- const elementInterval = Number.parseInt(element.getAttribute('data-bs-interval'), 10);
- if (elementInterval) {
- this._config.defaultInterval = this._config.defaultInterval || this._config.interval;
- this._config.interval = elementInterval;
- } else {
- this._config.interval = this._config.defaultInterval || this._config.interval;
- }
- }
- _slide(directionOrOrder, element) {
- const order = this._directionToOrder(directionOrOrder);
- const activeElement = SelectorEngine__default['default'].findOne(SELECTOR_ACTIVE_ITEM, this._element);
- const activeElementIndex = this._getItemIndex(activeElement);
- const nextElement = element || this._getItemByOrder(order, activeElement);
- const nextElementIndex = this._getItemIndex(nextElement);
- const isCycling = Boolean(this._interval);
- const isNext = order === ORDER_NEXT;
- const directionalClassName = isNext ? CLASS_NAME_START : CLASS_NAME_END;
- const orderClassName = isNext ? CLASS_NAME_NEXT : CLASS_NAME_PREV;
- const eventDirectionName = this._orderToDirection(order);
- if (nextElement && nextElement.classList.contains(CLASS_NAME_ACTIVE)) {
- this._isSliding = false;
- return;
- }
- if (this._isSliding) {
- return;
- }
- const slideEvent = this._triggerSlideEvent(nextElement, eventDirectionName);
- if (slideEvent.defaultPrevented) {
- return;
- }
- if (!activeElement || !nextElement) {
-
- return;
- }
- this._isSliding = true;
- if (isCycling) {
- this.pause();
- }
- this._setActiveIndicatorElement(nextElement);
- this._activeElement = nextElement;
- const triggerSlidEvent = () => {
- EventHandler__default['default'].trigger(this._element, EVENT_SLID, {
- relatedTarget: nextElement,
- direction: eventDirectionName,
- from: activeElementIndex,
- to: nextElementIndex
- });
- };
- if (this._element.classList.contains(CLASS_NAME_SLIDE)) {
- nextElement.classList.add(orderClassName);
- 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;
- setTimeout(triggerSlidEvent, 0);
- };
- this._queueCallback(completeCallBack, activeElement, true);
- } else {
- activeElement.classList.remove(CLASS_NAME_ACTIVE);
- nextElement.classList.add(CLASS_NAME_ACTIVE);
- this._isSliding = false;
- triggerSlidEvent();
- }
- if (isCycling) {
- this.cycle();
- }
- }
- _directionToOrder(direction) {
- if (![DIRECTION_RIGHT, DIRECTION_LEFT].includes(direction)) {
- return direction;
- }
- if (isRTL()) {
- return direction === DIRECTION_LEFT ? ORDER_PREV : ORDER_NEXT;
- }
- return direction === DIRECTION_LEFT ? ORDER_NEXT : ORDER_PREV;
- }
- _orderToDirection(order) {
- if (![ORDER_NEXT, ORDER_PREV].includes(order)) {
- return order;
- }
- if (isRTL()) {
- return order === ORDER_PREV ? DIRECTION_LEFT : DIRECTION_RIGHT;
- }
- return order === ORDER_PREV ? DIRECTION_RIGHT : DIRECTION_LEFT;
- }
- static carouselInterface(element, config) {
- const data = Carousel.getOrCreateInstance(element, config);
- let {
- _config
- } = data;
- if (typeof config === 'object') {
- _config = { ..._config,
- ...config
- };
- }
- const action = typeof config === 'string' ? config : _config.slide;
- if (typeof config === 'number') {
- data.to(config);
- } else if (typeof action === 'string') {
- if (typeof data[action] === 'undefined') {
- throw new TypeError(`No method named "${action}"`);
- }
- data[action]();
- } else if (_config.interval && _config.ride) {
- data.pause();
- data.cycle();
- }
- }
- static jQueryInterface(config) {
- return this.each(function () {
- Carousel.carouselInterface(this, config);
- });
- }
- static dataApiClickHandler(event) {
- const target = getElementFromSelector(this);
- if (!target || !target.classList.contains(CLASS_NAME_CAROUSEL)) {
- return;
- }
- const config = { ...Manipulator__default['default'].getDataAttributes(target),
- ...Manipulator__default['default'].getDataAttributes(this)
- };
- const slideIndex = this.getAttribute('data-bs-slide-to');
- if (slideIndex) {
- config.interval = false;
- }
- Carousel.carouselInterface(target, config);
- if (slideIndex) {
- Carousel.getInstance(target).to(slideIndex);
- }
- event.preventDefault();
- }
- }
-
- EventHandler__default['default'].on(document, EVENT_CLICK_DATA_API, SELECTOR_DATA_SLIDE, Carousel.dataApiClickHandler);
- EventHandler__default['default'].on(window, EVENT_LOAD_DATA_API, () => {
- const carousels = SelectorEngine__default['default'].find(SELECTOR_DATA_RIDE);
- for (let i = 0, len = carousels.length; i < len; i++) {
- Carousel.carouselInterface(carousels[i], Carousel.getInstance(carousels[i]));
- }
- });
-
- defineJQueryPlugin(Carousel);
- return Carousel;
- })));
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