| 1 | /*!
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| 2 | * Bootstrap carousel.js v5.3.3 (https://getbootstrap.com/)
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| 3 | * Copyright 2011-2024 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
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| 4 | * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
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| 5 | */
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| 6 | (function (global, factory) {
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| 7 | 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')) :
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| 8 | typeof define === 'function' && define.amd ? define(['./base-component', './dom/event-handler', './dom/manipulator', './dom/selector-engine', './util/index', './util/swipe'], factory) :
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| 9 | (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Carousel = factory(global.BaseComponent, global.EventHandler, global.Manipulator, global.SelectorEngine, global.Index, global.Swipe));
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| 10 | })(this, (function (BaseComponent, EventHandler, Manipulator, SelectorEngine, index_js, Swipe) { 'use strict';
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| 11 |
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| 12 | /**
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| 13 | * --------------------------------------------------------------------------
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| 14 | * Bootstrap carousel.js
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| 15 | * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
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| 16 | * --------------------------------------------------------------------------
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| 17 | */
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| 18 |
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| 19 |
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| 20 | /**
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| 21 | * Constants
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| 22 | */
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| 23 |
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| 24 | const NAME = 'carousel';
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| 25 | const DATA_KEY = 'bs.carousel';
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| 26 | const EVENT_KEY = `.${DATA_KEY}`;
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| 27 | const DATA_API_KEY = '.data-api';
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| 28 | const ARROW_LEFT_KEY = 'ArrowLeft';
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| 29 | const ARROW_RIGHT_KEY = 'ArrowRight';
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| 30 | const TOUCHEVENT_COMPAT_WAIT = 500; // Time for mouse compat events to fire after touch
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| 31 |
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| 32 | const ORDER_NEXT = 'next';
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| 33 | const ORDER_PREV = 'prev';
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| 34 | const DIRECTION_LEFT = 'left';
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| 35 | const DIRECTION_RIGHT = 'right';
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| 36 | const EVENT_SLIDE = `slide${EVENT_KEY}`;
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| 37 | const EVENT_SLID = `slid${EVENT_KEY}`;
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| 38 | const EVENT_KEYDOWN = `keydown${EVENT_KEY}`;
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| 39 | const EVENT_MOUSEENTER = `mouseenter${EVENT_KEY}`;
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| 40 | const EVENT_MOUSELEAVE = `mouseleave${EVENT_KEY}`;
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| 41 | const EVENT_DRAG_START = `dragstart${EVENT_KEY}`;
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| 42 | const EVENT_LOAD_DATA_API = `load${EVENT_KEY}${DATA_API_KEY}`;
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| 43 | const EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`;
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| 44 | const CLASS_NAME_CAROUSEL = 'carousel';
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| 45 | const CLASS_NAME_ACTIVE = 'active';
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| 46 | const CLASS_NAME_SLIDE = 'slide';
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| 47 | const CLASS_NAME_END = 'carousel-item-end';
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| 48 | const CLASS_NAME_START = 'carousel-item-start';
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| 49 | const CLASS_NAME_NEXT = 'carousel-item-next';
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| 50 | const CLASS_NAME_PREV = 'carousel-item-prev';
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| 51 | const SELECTOR_ACTIVE = '.active';
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| 52 | const SELECTOR_ITEM = '.carousel-item';
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| 53 | const SELECTOR_ACTIVE_ITEM = SELECTOR_ACTIVE + SELECTOR_ITEM;
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| 54 | const SELECTOR_ITEM_IMG = '.carousel-item img';
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| 55 | const SELECTOR_INDICATORS = '.carousel-indicators';
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| 56 | const SELECTOR_DATA_SLIDE = '[data-bs-slide], [data-bs-slide-to]';
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| 57 | const SELECTOR_DATA_RIDE = '[data-bs-ride="carousel"]';
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| 58 | const KEY_TO_DIRECTION = {
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| 59 | [ARROW_LEFT_KEY]: DIRECTION_RIGHT,
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| 60 | [ARROW_RIGHT_KEY]: DIRECTION_LEFT
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| 61 | };
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| 62 | const Default = {
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| 63 | interval: 5000,
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| 64 | keyboard: true,
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| 65 | pause: 'hover',
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| 66 | ride: false,
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| 67 | touch: true,
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| 68 | wrap: true
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| 69 | };
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| 70 | const DefaultType = {
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| 71 | interval: '(number|boolean)',
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| 72 | // TODO:v6 remove boolean support
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| 73 | keyboard: 'boolean',
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| 74 | pause: '(string|boolean)',
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| 75 | ride: '(boolean|string)',
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| 76 | touch: 'boolean',
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| 77 | wrap: 'boolean'
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| 78 | };
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| 79 |
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| 80 | /**
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| 81 | * Class definition
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| 82 | */
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| 83 |
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| 84 | class Carousel extends BaseComponent {
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| 85 | constructor(element, config) {
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| 86 | super(element, config);
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| 87 | this._interval = null;
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| 88 | this._activeElement = null;
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| 89 | this._isSliding = false;
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| 90 | this.touchTimeout = null;
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| 91 | this._swipeHelper = null;
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| 92 | this._indicatorsElement = SelectorEngine.findOne(SELECTOR_INDICATORS, this._element);
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| 93 | this._addEventListeners();
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| 94 | if (this._config.ride === CLASS_NAME_CAROUSEL) {
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| 95 | this.cycle();
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| 96 | }
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| 97 | }
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| 98 |
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| 99 | // Getters
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| 100 | static get Default() {
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| 101 | return Default;
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| 102 | }
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| 103 | static get DefaultType() {
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| 104 | return DefaultType;
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| 105 | }
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| 106 | static get NAME() {
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| 107 | return NAME;
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| 108 | }
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| 109 |
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| 110 | // Public
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| 111 | next() {
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| 112 | this._slide(ORDER_NEXT);
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| 113 | }
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| 114 | nextWhenVisible() {
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| 115 | // FIXME TODO use `document.visibilityState`
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| 116 | // Don't call next when the page isn't visible
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| 117 | // or the carousel or its parent isn't visible
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| 118 | if (!document.hidden && index_js.isVisible(this._element)) {
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| 119 | this.next();
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| 120 | }
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| 121 | }
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| 122 | prev() {
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| 123 | this._slide(ORDER_PREV);
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| 124 | }
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| 125 | pause() {
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| 126 | if (this._isSliding) {
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| 127 | index_js.triggerTransitionEnd(this._element);
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| 128 | }
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| 129 | this._clearInterval();
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| 130 | }
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| 131 | cycle() {
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| 132 | this._clearInterval();
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| 133 | this._updateInterval();
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| 134 | this._interval = setInterval(() => this.nextWhenVisible(), this._config.interval);
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| 135 | }
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| 136 | _maybeEnableCycle() {
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| 137 | if (!this._config.ride) {
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| 138 | return;
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| 139 | }
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| 140 | if (this._isSliding) {
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| 141 | EventHandler.one(this._element, EVENT_SLID, () => this.cycle());
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| 142 | return;
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| 143 | }
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| 144 | this.cycle();
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| 145 | }
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| 146 | to(index) {
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| 147 | const items = this._getItems();
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| 148 | if (index > items.length - 1 || index < 0) {
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| 149 | return;
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| 150 | }
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| 151 | if (this._isSliding) {
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| 152 | EventHandler.one(this._element, EVENT_SLID, () => this.to(index));
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| 153 | return;
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| 154 | }
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| 155 | const activeIndex = this._getItemIndex(this._getActive());
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| 156 | if (activeIndex === index) {
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| 157 | return;
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| 158 | }
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| 159 | const order = index > activeIndex ? ORDER_NEXT : ORDER_PREV;
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| 160 | this._slide(order, items[index]);
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| 161 | }
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| 162 | dispose() {
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| 163 | if (this._swipeHelper) {
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| 164 | this._swipeHelper.dispose();
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| 165 | }
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| 166 | super.dispose();
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| 167 | }
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| 168 |
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| 169 | // Private
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| 170 | _configAfterMerge(config) {
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| 171 | config.defaultInterval = config.interval;
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| 172 | return config;
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| 173 | }
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| 174 | _addEventListeners() {
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| 175 | if (this._config.keyboard) {
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| 176 | EventHandler.on(this._element, EVENT_KEYDOWN, event => this._keydown(event));
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| 177 | }
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| 178 | if (this._config.pause === 'hover') {
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| 179 | EventHandler.on(this._element, EVENT_MOUSEENTER, () => this.pause());
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| 180 | EventHandler.on(this._element, EVENT_MOUSELEAVE, () => this._maybeEnableCycle());
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| 181 | }
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| 182 | if (this._config.touch && Swipe.isSupported()) {
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| 183 | this._addTouchEventListeners();
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| 184 | }
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| 185 | }
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| 186 | _addTouchEventListeners() {
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| 187 | for (const img of SelectorEngine.find(SELECTOR_ITEM_IMG, this._element)) {
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| 188 | EventHandler.on(img, EVENT_DRAG_START, event => event.preventDefault());
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| 189 | }
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| 190 | const endCallBack = () => {
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| 191 | if (this._config.pause !== 'hover') {
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| 192 | return;
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| 193 | }
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| 194 |
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| 195 | // If it's a touch-enabled device, mouseenter/leave are fired as
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| 196 | // part of the mouse compatibility events on first tap - the carousel
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| 197 | // would stop cycling until user tapped out of it;
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| 198 | // here, we listen for touchend, explicitly pause the carousel
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| 199 | // (as if it's the second time we tap on it, mouseenter compat event
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| 200 | // is NOT fired) and after a timeout (to allow for mouse compatibility
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| 201 | // events to fire) we explicitly restart cycling
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| 202 |
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| 203 | this.pause();
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| 204 | if (this.touchTimeout) {
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| 205 | clearTimeout(this.touchTimeout);
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| 206 | }
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| 207 | this.touchTimeout = setTimeout(() => this._maybeEnableCycle(), TOUCHEVENT_COMPAT_WAIT + this._config.interval);
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| 208 | };
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| 209 | const swipeConfig = {
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| 210 | leftCallback: () => this._slide(this._directionToOrder(DIRECTION_LEFT)),
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| 211 | rightCallback: () => this._slide(this._directionToOrder(DIRECTION_RIGHT)),
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| 212 | endCallback: endCallBack
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| 213 | };
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| 214 | this._swipeHelper = new Swipe(this._element, swipeConfig);
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| 215 | }
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| 216 | _keydown(event) {
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| 217 | if (/input|textarea/i.test(event.target.tagName)) {
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| 218 | return;
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| 219 | }
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| 220 | const direction = KEY_TO_DIRECTION[event.key];
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| 221 | if (direction) {
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| 222 | event.preventDefault();
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| 223 | this._slide(this._directionToOrder(direction));
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| 224 | }
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| 225 | }
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| 226 | _getItemIndex(element) {
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| 227 | return this._getItems().indexOf(element);
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| 228 | }
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| 229 | _setActiveIndicatorElement(index) {
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| 230 | if (!this._indicatorsElement) {
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| 231 | return;
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| 232 | }
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| 233 | const activeIndicator = SelectorEngine.findOne(SELECTOR_ACTIVE, this._indicatorsElement);
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| 234 | activeIndicator.classList.remove(CLASS_NAME_ACTIVE);
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| 235 | activeIndicator.removeAttribute('aria-current');
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| 236 | const newActiveIndicator = SelectorEngine.findOne(`[data-bs-slide-to="${index}"]`, this._indicatorsElement);
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| 237 | if (newActiveIndicator) {
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| 238 | newActiveIndicator.classList.add(CLASS_NAME_ACTIVE);
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| 239 | newActiveIndicator.setAttribute('aria-current', 'true');
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| 240 | }
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| 241 | }
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| 242 | _updateInterval() {
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| 243 | const element = this._activeElement || this._getActive();
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| 244 | if (!element) {
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| 245 | return;
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| 246 | }
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| 247 | const elementInterval = Number.parseInt(element.getAttribute('data-bs-interval'), 10);
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| 248 | this._config.interval = elementInterval || this._config.defaultInterval;
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| 249 | }
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| 250 | _slide(order, element = null) {
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| 251 | if (this._isSliding) {
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| 252 | return;
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| 253 | }
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| 254 | const activeElement = this._getActive();
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| 255 | const isNext = order === ORDER_NEXT;
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| 256 | const nextElement = element || index_js.getNextActiveElement(this._getItems(), activeElement, isNext, this._config.wrap);
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| 257 | if (nextElement === activeElement) {
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| 258 | return;
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| 259 | }
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| 260 | const nextElementIndex = this._getItemIndex(nextElement);
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| 261 | const triggerEvent = eventName => {
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| 262 | return EventHandler.trigger(this._element, eventName, {
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| 263 | relatedTarget: nextElement,
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| 264 | direction: this._orderToDirection(order),
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| 265 | from: this._getItemIndex(activeElement),
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| 266 | to: nextElementIndex
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| 267 | });
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| 268 | };
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| 269 | const slideEvent = triggerEvent(EVENT_SLIDE);
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| 270 | if (slideEvent.defaultPrevented) {
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| 271 | return;
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| 272 | }
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| 273 | if (!activeElement || !nextElement) {
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| 274 | // Some weirdness is happening, so we bail
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| 275 | // TODO: change tests that use empty divs to avoid this check
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| 276 | return;
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| 277 | }
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| 278 | const isCycling = Boolean(this._interval);
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| 279 | this.pause();
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| 280 | this._isSliding = true;
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| 281 | this._setActiveIndicatorElement(nextElementIndex);
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| 282 | this._activeElement = nextElement;
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| 283 | const directionalClassName = isNext ? CLASS_NAME_START : CLASS_NAME_END;
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| 284 | const orderClassName = isNext ? CLASS_NAME_NEXT : CLASS_NAME_PREV;
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| 285 | nextElement.classList.add(orderClassName);
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| 286 | index_js.reflow(nextElement);
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| 287 | activeElement.classList.add(directionalClassName);
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| 288 | nextElement.classList.add(directionalClassName);
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| 289 | const completeCallBack = () => {
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| 290 | nextElement.classList.remove(directionalClassName, orderClassName);
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| 291 | nextElement.classList.add(CLASS_NAME_ACTIVE);
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| 292 | activeElement.classList.remove(CLASS_NAME_ACTIVE, orderClassName, directionalClassName);
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| 293 | this._isSliding = false;
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| 294 | triggerEvent(EVENT_SLID);
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| 295 | };
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| 296 | this._queueCallback(completeCallBack, activeElement, this._isAnimated());
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| 297 | if (isCycling) {
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| 298 | this.cycle();
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| 299 | }
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| 300 | }
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| 301 | _isAnimated() {
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| 302 | return this._element.classList.contains(CLASS_NAME_SLIDE);
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| 303 | }
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| 304 | _getActive() {
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| 305 | return SelectorEngine.findOne(SELECTOR_ACTIVE_ITEM, this._element);
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| 306 | }
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| 307 | _getItems() {
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| 308 | return SelectorEngine.find(SELECTOR_ITEM, this._element);
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| 309 | }
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| 310 | _clearInterval() {
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| 311 | if (this._interval) {
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| 312 | clearInterval(this._interval);
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| 313 | this._interval = null;
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| 314 | }
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| 315 | }
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| 316 | _directionToOrder(direction) {
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| 317 | if (index_js.isRTL()) {
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| 318 | return direction === DIRECTION_LEFT ? ORDER_PREV : ORDER_NEXT;
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| 319 | }
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| 320 | return direction === DIRECTION_LEFT ? ORDER_NEXT : ORDER_PREV;
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| 321 | }
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| 322 | _orderToDirection(order) {
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| 323 | if (index_js.isRTL()) {
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| 324 | return order === ORDER_PREV ? DIRECTION_LEFT : DIRECTION_RIGHT;
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| 325 | }
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| 326 | return order === ORDER_PREV ? DIRECTION_RIGHT : DIRECTION_LEFT;
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| 327 | }
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| 328 |
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| 329 | // Static
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| 330 | static jQueryInterface(config) {
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| 331 | return this.each(function () {
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| 332 | const data = Carousel.getOrCreateInstance(this, config);
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| 333 | if (typeof config === 'number') {
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| 334 | data.to(config);
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| 335 | return;
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| 336 | }
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| 337 | if (typeof config === 'string') {
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| 338 | if (data[config] === undefined || config.startsWith('_') || config === 'constructor') {
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| 339 | throw new TypeError(`No method named "${config}"`);
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| 340 | }
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| 341 | data[config]();
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| 342 | }
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| 343 | });
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| 344 | }
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| 345 | }
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| 346 |
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| 347 | /**
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| 348 | * Data API implementation
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| 349 | */
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| 350 |
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| 351 | EventHandler.on(document, EVENT_CLICK_DATA_API, SELECTOR_DATA_SLIDE, function (event) {
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| 352 | const target = SelectorEngine.getElementFromSelector(this);
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| 353 | if (!target || !target.classList.contains(CLASS_NAME_CAROUSEL)) {
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| 354 | return;
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| 355 | }
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| 356 | event.preventDefault();
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| 357 | const carousel = Carousel.getOrCreateInstance(target);
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| 358 | const slideIndex = this.getAttribute('data-bs-slide-to');
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| 359 | if (slideIndex) {
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| 360 | carousel.to(slideIndex);
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| 361 | carousel._maybeEnableCycle();
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| 362 | return;
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| 363 | }
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| 364 | if (Manipulator.getDataAttribute(this, 'slide') === 'next') {
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| 365 | carousel.next();
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| 366 | carousel._maybeEnableCycle();
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| 367 | return;
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| 368 | }
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| 369 | carousel.prev();
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| 370 | carousel._maybeEnableCycle();
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| 371 | });
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| 372 | EventHandler.on(window, EVENT_LOAD_DATA_API, () => {
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| 373 | const carousels = SelectorEngine.find(SELECTOR_DATA_RIDE);
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| 374 | for (const carousel of carousels) {
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| 375 | Carousel.getOrCreateInstance(carousel);
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| 376 | }
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| 377 | });
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| 378 |
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| 379 | /**
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| 380 | * jQuery
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| 381 | */
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| 382 |
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| 383 | index_js.defineJQueryPlugin(Carousel);
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| 384 |
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| 385 | return Carousel;
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| 386 |
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| 387 | }));
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| 388 | //# sourceMappingURL=carousel.js.map
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