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/*!
  * Bootstrap carousel.js v5.2.3 (https://getbootstrap.com/)
  * Copyright 2011-2022 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
  */
(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('./util/index'), require('./dom/event-handler'), require('./dom/manipulator'), require('./dom/selector-engine'), require('./util/swipe'), require('./base-component')) :
  typeof define === 'function' && define.amd ? define(['./util/index', './dom/event-handler', './dom/manipulator', './dom/selector-engine', './util/swipe', './base-component'], factory) :
  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Carousel = factory(global.Index, global.EventHandler, global.Manipulator, global.SelectorEngine, global.Swipe, global.BaseComponent));
})(this, (function (index, EventHandler, Manipulator, SelectorEngine, Swipe, BaseComponent) { 'use strict';

  const _interopDefaultLegacy = e => e && typeof e === 'object' && 'default' in e ? e : { default: e };

  const EventHandler__default = /*#__PURE__*/_interopDefaultLegacy(EventHandler);
  const Manipulator__default = /*#__PURE__*/_interopDefaultLegacy(Manipulator);
  const SelectorEngine__default = /*#__PURE__*/_interopDefaultLegacy(SelectorEngine);
  const Swipe__default = /*#__PURE__*/_interopDefaultLegacy(Swipe);
  const BaseComponent__default = /*#__PURE__*/_interopDefaultLegacy(BaseComponent);

  /**
   * --------------------------------------------------------------------------
   * Bootstrap (v5.2.3): carousel.js
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
   * --------------------------------------------------------------------------
   */
  /**
   * Constants
   */

  const NAME = 'carousel';
  const DATA_KEY = 'bs.carousel';
  const EVENT_KEY = `.${DATA_KEY}`;
  const DATA_API_KEY = '.data-api';
  const ARROW_LEFT_KEY = 'ArrowLeft';
  const ARROW_RIGHT_KEY = 'ArrowRight';
  const TOUCHEVENT_COMPAT_WAIT = 500; // Time for mouse compat events to fire after touch

  const ORDER_NEXT = 'next';
  const ORDER_PREV = 'prev';
  const DIRECTION_LEFT = 'left';
  const DIRECTION_RIGHT = 'right';
  const EVENT_SLIDE = `slide${EVENT_KEY}`;
  const EVENT_SLID = `slid${EVENT_KEY}`;
  const EVENT_KEYDOWN = `keydown${EVENT_KEY}`;
  const EVENT_MOUSEENTER = `mouseenter${EVENT_KEY}`;
  const EVENT_MOUSELEAVE = `mouseleave${EVENT_KEY}`;
  const EVENT_DRAG_START = `dragstart${EVENT_KEY}`;
  const EVENT_LOAD_DATA_API = `load${EVENT_KEY}${DATA_API_KEY}`;
  const EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`;
  const CLASS_NAME_CAROUSEL = 'carousel';
  const CLASS_NAME_ACTIVE = 'active';
  const CLASS_NAME_SLIDE = 'slide';
  const CLASS_NAME_END = 'carousel-item-end';
  const CLASS_NAME_START = 'carousel-item-start';
  const CLASS_NAME_NEXT = 'carousel-item-next';
  const CLASS_NAME_PREV = 'carousel-item-prev';
  const SELECTOR_ACTIVE = '.active';
  const SELECTOR_ITEM = '.carousel-item';
  const SELECTOR_ACTIVE_ITEM = SELECTOR_ACTIVE + SELECTOR_ITEM;
  const SELECTOR_ITEM_IMG = '.carousel-item img';
  const SELECTOR_INDICATORS = '.carousel-indicators';
  const SELECTOR_DATA_SLIDE = '[data-bs-slide], [data-bs-slide-to]';
  const SELECTOR_DATA_RIDE = '[data-bs-ride="carousel"]';
  const KEY_TO_DIRECTION = {
    [ARROW_LEFT_KEY]: DIRECTION_RIGHT,
    [ARROW_RIGHT_KEY]: DIRECTION_LEFT
  };
  const Default = {
    interval: 5000,
    keyboard: true,
    pause: 'hover',
    ride: false,
    touch: true,
    wrap: true
  };
  const DefaultType = {
    interval: '(number|boolean)',
    // TODO:v6 remove boolean support
    keyboard: 'boolean',
    pause: '(string|boolean)',
    ride: '(boolean|string)',
    touch: 'boolean',
    wrap: 'boolean'
  };
  /**
   * Class definition
   */

  class Carousel extends BaseComponent__default.default {
    constructor(element, config) {
      super(element, config);
      this._interval = null;
      this._activeElement = null;
      this._isSliding = false;
      this.touchTimeout = null;
      this._swipeHelper = null;
      this._indicatorsElement = SelectorEngine__default.default.findOne(SELECTOR_INDICATORS, this._element);

      this._addEventListeners();

      if (this._config.ride === CLASS_NAME_CAROUSEL) {
        this.cycle();
      }
    } // Getters


    static get Default() {
      return Default;
    }

    static get DefaultType() {
      return DefaultType;
    }

    static get NAME() {
      return NAME;
    } // Public


    next() {
      this._slide(ORDER_NEXT);
    }

    nextWhenVisible() {
      // FIXME TODO use `document.visibilityState`
      // Don't call next when the page isn't visible
      // or the carousel or its parent isn't visible
      if (!document.hidden && index.isVisible(this._element)) {
        this.next();
      }
    }

    prev() {
      this._slide(ORDER_PREV);
    }

    pause() {
      if (this._isSliding) {
        index.triggerTransitionEnd(this._element);
      }

      this._clearInterval();
    }

    cycle() {
      this._clearInterval();

      this._updateInterval();

      this._interval = setInterval(() => this.nextWhenVisible(), this._config.interval);
    }

    _maybeEnableCycle() {
      if (!this._config.ride) {
        return;
      }

      if (this._isSliding) {
        EventHandler__default.default.one(this._element, EVENT_SLID, () => this.cycle());
        return;
      }

      this.cycle();
    }

    to(index) {
      const items = this._getItems();

      if (index > items.length - 1 || index < 0) {
        return;
      }

      if (this._isSliding) {
        EventHandler__default.default.one(this._element, EVENT_SLID, () => this.to(index));
        return;
      }

      const activeIndex = this._getItemIndex(this._getActive());

      if (activeIndex === index) {
        return;
      }

      const order = index > activeIndex ? ORDER_NEXT : ORDER_PREV;

      this._slide(order, items[index]);
    }

    dispose() {
      if (this._swipeHelper) {
        this._swipeHelper.dispose();
      }

      super.dispose();
    } // Private


    _configAfterMerge(config) {
      config.defaultInterval = config.interval;
      return config;
    }

    _addEventListeners() {
      if (this._config.keyboard) {
        EventHandler__default.default.on(this._element, EVENT_KEYDOWN, event => this._keydown(event));
      }

      if (this._config.pause === 'hover') {
        EventHandler__default.default.on(this._element, EVENT_MOUSEENTER, () => this.pause());
        EventHandler__default.default.on(this._element, EVENT_MOUSELEAVE, () => this._maybeEnableCycle());
      }

      if (this._config.touch && Swipe__default.default.isSupported()) {
        this._addTouchEventListeners();
      }
    }

    _addTouchEventListeners() {
      for (const img of SelectorEngine__default.default.find(SELECTOR_ITEM_IMG, this._element)) {
        EventHandler__default.default.on(img, EVENT_DRAG_START, event => event.preventDefault());
      }

      const endCallBack = () => {
        if (this._config.pause !== 'hover') {
          return;
        } // If it's a touch-enabled device, mouseenter/leave are fired as
        // part of the mouse compatibility events on first tap - the carousel
        // would stop cycling until user tapped out of it;
        // here, we listen for touchend, explicitly pause the carousel
        // (as if it's the second time we tap on it, mouseenter compat event
        // is NOT fired) and after a timeout (to allow for mouse compatibility
        // events to fire) we explicitly restart cycling


        this.pause();

        if (this.touchTimeout) {
          clearTimeout(this.touchTimeout);
        }

        this.touchTimeout = setTimeout(() => this._maybeEnableCycle(), TOUCHEVENT_COMPAT_WAIT + this._config.interval);
      };

      const swipeConfig = {
        leftCallback: () => this._slide(this._directionToOrder(DIRECTION_LEFT)),
        rightCallback: () => this._slide(this._directionToOrder(DIRECTION_RIGHT)),
        endCallback: endCallBack
      };
      this._swipeHelper = new Swipe__default.default(this._element, swipeConfig);
    }

    _keydown(event) {
      if (/input|textarea/i.test(event.target.tagName)) {
        return;
      }

      const direction = KEY_TO_DIRECTION[event.key];

      if (direction) {
        event.preventDefault();

        this._slide(this._directionToOrder(direction));
      }
    }

    _getItemIndex(element) {
      return this._getItems().indexOf(element);
    }

    _setActiveIndicatorElement(index) {
      if (!this._indicatorsElement) {
        return;
      }

      const activeIndicator = SelectorEngine__default.default.findOne(SELECTOR_ACTIVE, this._indicatorsElement);
      activeIndicator.classList.remove(CLASS_NAME_ACTIVE);
      activeIndicator.removeAttribute('aria-current');
      const newActiveIndicator = SelectorEngine__default.default.findOne(`[data-bs-slide-to="${index}"]`, this._indicatorsElement);

      if (newActiveIndicator) {
        newActiveIndicator.classList.add(CLASS_NAME_ACTIVE);
        newActiveIndicator.setAttribute('aria-current', 'true');
      }
    }

    _updateInterval() {
      const element = this._activeElement || this._getActive();

      if (!element) {
        return;
      }

      const elementInterval = Number.parseInt(element.getAttribute('data-bs-interval'), 10);
      this._config.interval = elementInterval || this._config.defaultInterval;
    }

    _slide(order, element = null) {
      if (this._isSliding) {
        return;
      }

      const activeElement = this._getActive();

      const isNext = order === ORDER_NEXT;
      const nextElement = element || index.getNextActiveElement(this._getItems(), activeElement, isNext, this._config.wrap);

      if (nextElement === activeElement) {
        return;
      }

      const nextElementIndex = this._getItemIndex(nextElement);

      const triggerEvent = eventName => {
        return EventHandler__default.default.trigger(this._element, eventName, {
          relatedTarget: nextElement,
          direction: this._orderToDirection(order),
          from: this._getItemIndex(activeElement),
          to: nextElementIndex
        });
      };

      const slideEvent = triggerEvent(EVENT_SLIDE);

      if (slideEvent.defaultPrevented) {
        return;
      }

      if (!activeElement || !nextElement) {
        // Some weirdness is happening, so we bail
        // todo: change tests that use empty divs to avoid this check
        return;
      }

      const isCycling = Boolean(this._interval);
      this.pause();
      this._isSliding = true;

      this._setActiveIndicatorElement(nextElementIndex);

      this._activeElement = nextElement;
      const directionalClassName = isNext ? CLASS_NAME_START : CLASS_NAME_END;
      const orderClassName = isNext ? CLASS_NAME_NEXT : CLASS_NAME_PREV;
      nextElement.classList.add(orderClassName);
      index.reflow(nextElement);
      activeElement.classList.add(directionalClassName);
      nextElement.classList.add(directionalClassName);

      const completeCallBack = () => {
        nextElement.classList.remove(directionalClassName, orderClassName);
        nextElement.classList.add(CLASS_NAME_ACTIVE);
        activeElement.classList.remove(CLASS_NAME_ACTIVE, orderClassName, directionalClassName);
        this._isSliding = false;
        triggerEvent(EVENT_SLID);
      };

      this._queueCallback(completeCallBack, activeElement, this._isAnimated());

      if (isCycling) {
        this.cycle();
      }
    }

    _isAnimated() {
      return this._element.classList.contains(CLASS_NAME_SLIDE);
    }

    _getActive() {
      return SelectorEngine__default.default.findOne(SELECTOR_ACTIVE_ITEM, this._element);
    }

    _getItems() {
      return SelectorEngine__default.default.find(SELECTOR_ITEM, this._element);
    }

    _clearInterval() {
      if (this._interval) {
        clearInterval(this._interval);
        this._interval = null;
      }
    }

    _directionToOrder(direction) {
      if (index.isRTL()) {
        return direction === DIRECTION_LEFT ? ORDER_PREV : ORDER_NEXT;
      }

      return direction === DIRECTION_LEFT ? ORDER_NEXT : ORDER_PREV;
    }

    _orderToDirection(order) {
      if (index.isRTL()) {
        return order === ORDER_PREV ? DIRECTION_LEFT : DIRECTION_RIGHT;
      }

      return order === ORDER_PREV ? DIRECTION_RIGHT : DIRECTION_LEFT;
    } // Static


    static jQueryInterface(config) {
      return this.each(function () {
        const data = Carousel.getOrCreateInstance(this, config);

        if (typeof config === 'number') {
          data.to(config);
          return;
        }

        if (typeof config === 'string') {
          if (data[config] === undefined || config.startsWith('_') || config === 'constructor') {
            throw new TypeError(`No method named "${config}"`);
          }

          data[config]();
        }
      });
    }

  }
  /**
   * Data API implementation
   */


  EventHandler__default.default.on(document, EVENT_CLICK_DATA_API, SELECTOR_DATA_SLIDE, function (event) {
    const target = index.getElementFromSelector(this);

    if (!target || !target.classList.contains(CLASS_NAME_CAROUSEL)) {
      return;
    }

    event.preventDefault();
    const carousel = Carousel.getOrCreateInstance(target);
    const slideIndex = this.getAttribute('data-bs-slide-to');

    if (slideIndex) {
      carousel.to(slideIndex);

      carousel._maybeEnableCycle();

      return;
    }

    if (Manipulator__default.default.getDataAttribute(this, 'slide') === 'next') {
      carousel.next();

      carousel._maybeEnableCycle();

      return;
    }

    carousel.prev();

    carousel._maybeEnableCycle();
  });
  EventHandler__default.default.on(window, EVENT_LOAD_DATA_API, () => {
    const carousels = SelectorEngine__default.default.find(SELECTOR_DATA_RIDE);

    for (const carousel of carousels) {
      Carousel.getOrCreateInstance(carousel);
    }
  });
  /**
   * jQuery
   */

  index.defineJQueryPlugin(Carousel);

  return Carousel;

}));
//# sourceMappingURL=carousel.js.map

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