mirror of
https://github.com/twbs/bootstrap.git
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707 lines
23 KiB
JavaScript
707 lines
23 KiB
JavaScript
/*!
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* Bootstrap carousel.js v5.0.1 (https://getbootstrap.com/)
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* Copyright 2011-2021 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
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* Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
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*/
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(function (global, factory) {
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typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('./dom/selector-engine.js'), require('./dom/data.js'), require('./dom/event-handler.js'), require('./dom/manipulator.js'), require('./base-component.js')) :
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typeof define === 'function' && define.amd ? define(['./dom/selector-engine', './dom/data', './dom/event-handler', './dom/manipulator', './base-component'], factory) :
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(global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Carousel = factory(global.SelectorEngine, global.Data, global.EventHandler, global.Manipulator, global.Base));
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}(this, (function (SelectorEngine, Data, EventHandler, Manipulator, BaseComponent) { 'use strict';
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function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
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var SelectorEngine__default = /*#__PURE__*/_interopDefaultLegacy(SelectorEngine);
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var Data__default = /*#__PURE__*/_interopDefaultLegacy(Data);
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var EventHandler__default = /*#__PURE__*/_interopDefaultLegacy(EventHandler);
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var Manipulator__default = /*#__PURE__*/_interopDefaultLegacy(Manipulator);
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var BaseComponent__default = /*#__PURE__*/_interopDefaultLegacy(BaseComponent);
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const TRANSITION_END = 'transitionend'; // Shoutout AngusCroll (https://goo.gl/pxwQGp)
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const toType = obj => {
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if (obj === null || obj === undefined) {
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return `${obj}`;
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}
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return {}.toString.call(obj).match(/\s([a-z]+)/i)[1].toLowerCase();
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};
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const getSelector = element => {
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let selector = element.getAttribute('data-bs-target');
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if (!selector || selector === '#') {
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let hrefAttr = element.getAttribute('href'); // The only valid content that could double as a selector are IDs or classes,
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// so everything starting with `#` or `.`. If a "real" URL is used as the selector,
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// `document.querySelector` will rightfully complain it is invalid.
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// See https://github.com/twbs/bootstrap/issues/32273
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if (!hrefAttr || !hrefAttr.includes('#') && !hrefAttr.startsWith('.')) {
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return null;
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} // Just in case some CMS puts out a full URL with the anchor appended
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if (hrefAttr.includes('#') && !hrefAttr.startsWith('#')) {
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hrefAttr = `#${hrefAttr.split('#')[1]}`;
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}
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selector = hrefAttr && hrefAttr !== '#' ? hrefAttr.trim() : null;
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}
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return selector;
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};
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const getElementFromSelector = element => {
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const selector = getSelector(element);
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return selector ? document.querySelector(selector) : null;
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};
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const triggerTransitionEnd = element => {
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element.dispatchEvent(new Event(TRANSITION_END));
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};
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const isElement = obj => {
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if (!obj || typeof obj !== 'object') {
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return false;
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}
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if (typeof obj.jquery !== 'undefined') {
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obj = obj[0];
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}
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return typeof obj.nodeType !== 'undefined';
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};
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const typeCheckConfig = (componentName, config, configTypes) => {
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Object.keys(configTypes).forEach(property => {
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const expectedTypes = configTypes[property];
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const value = config[property];
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const valueType = value && isElement(value) ? 'element' : toType(value);
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if (!new RegExp(expectedTypes).test(valueType)) {
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throw new TypeError(`${componentName.toUpperCase()}: Option "${property}" provided type "${valueType}" but expected type "${expectedTypes}".`);
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}
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});
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};
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const isVisible = element => {
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if (!element) {
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return false;
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}
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if (element.style && element.parentNode && element.parentNode.style) {
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const elementStyle = getComputedStyle(element);
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const parentNodeStyle = getComputedStyle(element.parentNode);
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return elementStyle.display !== 'none' && parentNodeStyle.display !== 'none' && elementStyle.visibility !== 'hidden';
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}
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return false;
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};
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const reflow = element => element.offsetHeight;
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const getjQuery = () => {
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const {
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jQuery
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} = window;
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if (jQuery && !document.body.hasAttribute('data-bs-no-jquery')) {
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return jQuery;
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}
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return null;
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};
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const onDOMContentLoaded = callback => {
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if (document.readyState === 'loading') {
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document.addEventListener('DOMContentLoaded', callback);
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} else {
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callback();
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}
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};
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const isRTL = () => document.documentElement.dir === 'rtl';
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const defineJQueryPlugin = plugin => {
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onDOMContentLoaded(() => {
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const $ = getjQuery();
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/* istanbul ignore if */
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if ($) {
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const name = plugin.NAME;
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const JQUERY_NO_CONFLICT = $.fn[name];
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$.fn[name] = plugin.jQueryInterface;
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$.fn[name].Constructor = plugin;
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$.fn[name].noConflict = () => {
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$.fn[name] = JQUERY_NO_CONFLICT;
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return plugin.jQueryInterface;
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};
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}
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});
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};
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/**
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* --------------------------------------------------------------------------
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* Bootstrap (v5.0.1): carousel.js
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* Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
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* --------------------------------------------------------------------------
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*/
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/**
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* ------------------------------------------------------------------------
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* Constants
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* ------------------------------------------------------------------------
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*/
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const NAME = 'carousel';
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const DATA_KEY = 'bs.carousel';
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const EVENT_KEY = `.${DATA_KEY}`;
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const DATA_API_KEY = '.data-api';
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const ARROW_LEFT_KEY = 'ArrowLeft';
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const ARROW_RIGHT_KEY = 'ArrowRight';
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const TOUCHEVENT_COMPAT_WAIT = 500; // Time for mouse compat events to fire after touch
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const SWIPE_THRESHOLD = 40;
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const 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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touch: true
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};
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const 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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touch: 'boolean'
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};
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const ORDER_NEXT = 'next';
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const ORDER_PREV = 'prev';
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const DIRECTION_LEFT = 'left';
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const DIRECTION_RIGHT = 'right';
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const EVENT_SLIDE = `slide${EVENT_KEY}`;
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const EVENT_SLID = `slid${EVENT_KEY}`;
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const EVENT_KEYDOWN = `keydown${EVENT_KEY}`;
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const EVENT_MOUSEENTER = `mouseenter${EVENT_KEY}`;
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const EVENT_MOUSELEAVE = `mouseleave${EVENT_KEY}`;
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const EVENT_TOUCHSTART = `touchstart${EVENT_KEY}`;
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const EVENT_TOUCHMOVE = `touchmove${EVENT_KEY}`;
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const EVENT_TOUCHEND = `touchend${EVENT_KEY}`;
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const EVENT_POINTERDOWN = `pointerdown${EVENT_KEY}`;
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const EVENT_POINTERUP = `pointerup${EVENT_KEY}`;
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const EVENT_DRAG_START = `dragstart${EVENT_KEY}`;
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const EVENT_LOAD_DATA_API = `load${EVENT_KEY}${DATA_API_KEY}`;
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const EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`;
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const CLASS_NAME_CAROUSEL = 'carousel';
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const CLASS_NAME_ACTIVE = 'active';
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const CLASS_NAME_SLIDE = 'slide';
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const CLASS_NAME_END = 'carousel-item-end';
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const CLASS_NAME_START = 'carousel-item-start';
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const CLASS_NAME_NEXT = 'carousel-item-next';
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const CLASS_NAME_PREV = 'carousel-item-prev';
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const CLASS_NAME_POINTER_EVENT = 'pointer-event';
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const SELECTOR_ACTIVE = '.active';
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const SELECTOR_ACTIVE_ITEM = '.active.carousel-item';
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const SELECTOR_ITEM = '.carousel-item';
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const SELECTOR_ITEM_IMG = '.carousel-item img';
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const SELECTOR_NEXT_PREV = '.carousel-item-next, .carousel-item-prev';
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const SELECTOR_INDICATORS = '.carousel-indicators';
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const SELECTOR_INDICATOR = '[data-bs-target]';
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const SELECTOR_DATA_SLIDE = '[data-bs-slide], [data-bs-slide-to]';
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const SELECTOR_DATA_RIDE = '[data-bs-ride="carousel"]';
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const POINTER_TYPE_TOUCH = 'touch';
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const POINTER_TYPE_PEN = 'pen';
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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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class Carousel extends BaseComponent__default['default'] {
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constructor(element, config) {
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super(element);
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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.touchStartX = 0;
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this.touchDeltaX = 0;
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this._config = this._getConfig(config);
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this._indicatorsElement = SelectorEngine__default['default'].findOne(SELECTOR_INDICATORS, this._element);
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this._touchSupported = 'ontouchstart' in document.documentElement || navigator.maxTouchPoints > 0;
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this._pointerEvent = Boolean(window.PointerEvent);
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this._addEventListeners();
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} // Getters
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static get Default() {
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return Default;
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}
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static get NAME() {
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return NAME;
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} // Public
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next() {
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if (!this._isSliding) {
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this._slide(ORDER_NEXT);
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}
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}
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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 && isVisible(this._element)) {
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this.next();
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}
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}
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prev() {
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if (!this._isSliding) {
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this._slide(ORDER_PREV);
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}
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}
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pause(event) {
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if (!event) {
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this._isPaused = true;
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}
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if (SelectorEngine__default['default'].findOne(SELECTOR_NEXT_PREV, this._element)) {
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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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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 && this._config.interval && !this._isPaused) {
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this._updateInterval();
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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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to(index) {
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this._activeElement = SelectorEngine__default['default'].findOne(SELECTOR_ACTIVE_ITEM, this._element);
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const 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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EventHandler__default['default'].one(this._element, EVENT_SLID, () => this.to(index));
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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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const order = index > activeIndex ? ORDER_NEXT : ORDER_PREV;
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this._slide(order, this._items[index]);
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} // Private
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_getConfig(config) {
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config = { ...Default,
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...config
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};
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typeCheckConfig(NAME, config, DefaultType);
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return config;
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}
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_handleSwipe() {
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const absDeltax = Math.abs(this.touchDeltaX);
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if (absDeltax <= SWIPE_THRESHOLD) {
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return;
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}
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const direction = absDeltax / this.touchDeltaX;
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this.touchDeltaX = 0;
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if (!direction) {
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return;
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}
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this._slide(direction > 0 ? DIRECTION_RIGHT : DIRECTION_LEFT);
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}
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_addEventListeners() {
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if (this._config.keyboard) {
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EventHandler__default['default'].on(this._element, EVENT_KEYDOWN, event => this._keydown(event));
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}
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if (this._config.pause === 'hover') {
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EventHandler__default['default'].on(this._element, EVENT_MOUSEENTER, event => this.pause(event));
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EventHandler__default['default'].on(this._element, EVENT_MOUSELEAVE, event => this.cycle(event));
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}
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if (this._config.touch && this._touchSupported) {
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this._addTouchEventListeners();
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}
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}
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_addTouchEventListeners() {
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const start = event => {
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if (this._pointerEvent && (event.pointerType === POINTER_TYPE_PEN || event.pointerType === POINTER_TYPE_TOUCH)) {
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this.touchStartX = event.clientX;
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} else if (!this._pointerEvent) {
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this.touchStartX = event.touches[0].clientX;
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}
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};
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const move = event => {
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// ensure swiping with one touch and not pinching
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this.touchDeltaX = event.touches && event.touches.length > 1 ? 0 : event.touches[0].clientX - this.touchStartX;
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};
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const end = event => {
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if (this._pointerEvent && (event.pointerType === POINTER_TYPE_PEN || event.pointerType === POINTER_TYPE_TOUCH)) {
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this.touchDeltaX = event.clientX - this.touchStartX;
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}
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this._handleSwipe();
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if (this._config.pause === 'hover') {
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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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this.pause();
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if (this.touchTimeout) {
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clearTimeout(this.touchTimeout);
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}
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this.touchTimeout = setTimeout(event => this.cycle(event), TOUCHEVENT_COMPAT_WAIT + this._config.interval);
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}
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};
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SelectorEngine__default['default'].find(SELECTOR_ITEM_IMG, this._element).forEach(itemImg => {
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EventHandler__default['default'].on(itemImg, EVENT_DRAG_START, e => e.preventDefault());
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});
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if (this._pointerEvent) {
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EventHandler__default['default'].on(this._element, EVENT_POINTERDOWN, event => start(event));
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EventHandler__default['default'].on(this._element, EVENT_POINTERUP, event => end(event));
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this._element.classList.add(CLASS_NAME_POINTER_EVENT);
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} else {
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EventHandler__default['default'].on(this._element, EVENT_TOUCHSTART, event => start(event));
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EventHandler__default['default'].on(this._element, EVENT_TOUCHMOVE, event => move(event));
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EventHandler__default['default'].on(this._element, EVENT_TOUCHEND, event => end(event));
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}
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}
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_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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if (event.key === ARROW_LEFT_KEY) {
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event.preventDefault();
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this._slide(DIRECTION_RIGHT);
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} else if (event.key === ARROW_RIGHT_KEY) {
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event.preventDefault();
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this._slide(DIRECTION_LEFT);
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}
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}
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_getItemIndex(element) {
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this._items = element && element.parentNode ? SelectorEngine__default['default'].find(SELECTOR_ITEM, element.parentNode) : [];
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return this._items.indexOf(element);
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}
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_getItemByOrder(order, activeElement) {
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const isNext = order === ORDER_NEXT;
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const isPrev = order === ORDER_PREV;
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const activeIndex = this._getItemIndex(activeElement);
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const lastItemIndex = this._items.length - 1;
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const isGoingToWrap = isPrev && activeIndex === 0 || isNext && 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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const delta = isPrev ? -1 : 1;
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const 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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_triggerSlideEvent(relatedTarget, eventDirectionName) {
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const targetIndex = this._getItemIndex(relatedTarget);
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const fromIndex = this._getItemIndex(SelectorEngine__default['default'].findOne(SELECTOR_ACTIVE_ITEM, this._element));
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return EventHandler__default['default'].trigger(this._element, EVENT_SLIDE, {
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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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}
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_setActiveIndicatorElement(element) {
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if (this._indicatorsElement) {
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const activeIndicator = SelectorEngine__default['default'].findOne(SELECTOR_ACTIVE, this._indicatorsElement);
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activeIndicator.classList.remove(CLASS_NAME_ACTIVE);
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activeIndicator.removeAttribute('aria-current');
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const indicators = SelectorEngine__default['default'].find(SELECTOR_INDICATOR, this._indicatorsElement);
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for (let i = 0; i < indicators.length; i++) {
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if (Number.parseInt(indicators[i].getAttribute('data-bs-slide-to'), 10) === this._getItemIndex(element)) {
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indicators[i].classList.add(CLASS_NAME_ACTIVE);
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indicators[i].setAttribute('aria-current', 'true');
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break;
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}
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}
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}
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}
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_updateInterval() {
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const element = this._activeElement || SelectorEngine__default['default'].findOne(SELECTOR_ACTIVE_ITEM, this._element);
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if (!element) {
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return;
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}
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const elementInterval = Number.parseInt(element.getAttribute('data-bs-interval'), 10);
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if (elementInterval) {
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this._config.defaultInterval = this._config.defaultInterval || this._config.interval;
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this._config.interval = elementInterval;
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} else {
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this._config.interval = this._config.defaultInterval || this._config.interval;
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}
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|
}
|
|
|
|
_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;
|
|
}
|
|
|
|
const slideEvent = this._triggerSlideEvent(nextElement, eventDirectionName);
|
|
|
|
if (slideEvent.defaultPrevented) {
|
|
return;
|
|
}
|
|
|
|
if (!activeElement || !nextElement) {
|
|
// Some weirdness is happening, so we bail
|
|
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
|
|
|
|
|
|
static carouselInterface(element, config) {
|
|
let data = Data__default['default'].get(element, DATA_KEY);
|
|
let _config = { ...Default,
|
|
...Manipulator__default['default'].getDataAttributes(element)
|
|
};
|
|
|
|
if (typeof config === 'object') {
|
|
_config = { ..._config,
|
|
...config
|
|
};
|
|
}
|
|
|
|
const action = typeof config === 'string' ? config : _config.slide;
|
|
|
|
if (!data) {
|
|
data = new Carousel(element, _config);
|
|
}
|
|
|
|
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) {
|
|
Data__default['default'].get(target, DATA_KEY).to(slideIndex);
|
|
}
|
|
|
|
event.preventDefault();
|
|
}
|
|
|
|
}
|
|
/**
|
|
* ------------------------------------------------------------------------
|
|
* Data Api implementation
|
|
* ------------------------------------------------------------------------
|
|
*/
|
|
|
|
|
|
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], Data__default['default'].get(carousels[i], DATA_KEY));
|
|
}
|
|
});
|
|
/**
|
|
* ------------------------------------------------------------------------
|
|
* jQuery
|
|
* ------------------------------------------------------------------------
|
|
* add .Carousel to jQuery only if jQuery is present
|
|
*/
|
|
|
|
defineJQueryPlugin(Carousel);
|
|
|
|
return Carousel;
|
|
|
|
})));
|
|
//# sourceMappingURL=carousel.js.map
|