/*!
  * Bootstrap collapse.js v5.0.0-beta3 (https://getbootstrap.com/)
  * Copyright 2011-2021 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('./dom/data.js'), require('./dom/event-handler.js'), require('./dom/manipulator.js'), require('./dom/selector-engine.js'), require('./base-component.js')) :
  typeof define === 'function' && define.amd ? define(['./dom/data', './dom/event-handler', './dom/manipulator', './dom/selector-engine', './base-component'], factory) :
  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Collapse = factory(global.Data, global.EventHandler, global.Manipulator, global.SelectorEngine, global.Base));
}(this, (function (Data, EventHandler, Manipulator, SelectorEngine, BaseComponent) { 'use strict';

  function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }

  var Data__default = /*#__PURE__*/_interopDefaultLegacy(Data);
  var EventHandler__default = /*#__PURE__*/_interopDefaultLegacy(EventHandler);
  var Manipulator__default = /*#__PURE__*/_interopDefaultLegacy(Manipulator);
  var SelectorEngine__default = /*#__PURE__*/_interopDefaultLegacy(SelectorEngine);
  var BaseComponent__default = /*#__PURE__*/_interopDefaultLegacy(BaseComponent);

  /**
   * --------------------------------------------------------------------------
   * Bootstrap (v5.0.0-beta3): util/index.js
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
   * --------------------------------------------------------------------------
   */
  const MILLISECONDS_MULTIPLIER = 1000;
  const TRANSITION_END = 'transitionend'; // Shoutout AngusCroll (https://goo.gl/pxwQGp)

  const toType = obj => {
    if (obj === null || obj === undefined) {
      return `${obj}`;
    }

    return {}.toString.call(obj).match(/\s([a-z]+)/i)[1].toLowerCase();
  };

  const getSelector = element => {
    let selector = element.getAttribute('data-bs-target');

    if (!selector || selector === '#') {
      let hrefAttr = element.getAttribute('href'); // The only valid content that could double as a selector are IDs or classes,
      // so everything starting with `#` or `.`. If a "real" URL is used as the selector,
      // `document.querySelector` will rightfully complain it is invalid.
      // See https://github.com/twbs/bootstrap/issues/32273

      if (!hrefAttr || !hrefAttr.includes('#') && !hrefAttr.startsWith('.')) {
        return null;
      } // Just in case some CMS puts out a full URL with the anchor appended


      if (hrefAttr.includes('#') && !hrefAttr.startsWith('#')) {
        hrefAttr = '#' + hrefAttr.split('#')[1];
      }

      selector = hrefAttr && hrefAttr !== '#' ? hrefAttr.trim() : null;
    }

    return selector;
  };

  const getSelectorFromElement = element => {
    const selector = getSelector(element);

    if (selector) {
      return document.querySelector(selector) ? selector : null;
    }

    return null;
  };

  const getElementFromSelector = element => {
    const selector = getSelector(element);
    return selector ? document.querySelector(selector) : null;
  };

  const getTransitionDurationFromElement = element => {
    if (!element) {
      return 0;
    } // Get transition-duration of the element


    let {
      transitionDuration,
      transitionDelay
    } = window.getComputedStyle(element);
    const floatTransitionDuration = Number.parseFloat(transitionDuration);
    const floatTransitionDelay = Number.parseFloat(transitionDelay); // Return 0 if element or transition duration is not found

    if (!floatTransitionDuration && !floatTransitionDelay) {
      return 0;
    } // If multiple durations are defined, take the first


    transitionDuration = transitionDuration.split(',')[0];
    transitionDelay = transitionDelay.split(',')[0];
    return (Number.parseFloat(transitionDuration) + Number.parseFloat(transitionDelay)) * MILLISECONDS_MULTIPLIER;
  };

  const triggerTransitionEnd = element => {
    element.dispatchEvent(new Event(TRANSITION_END));
  };

  const isElement = obj => (obj[0] || obj).nodeType;

  const emulateTransitionEnd = (element, duration) => {
    let called = false;
    const durationPadding = 5;
    const emulatedDuration = duration + durationPadding;

    function listener() {
      called = true;
      element.removeEventListener(TRANSITION_END, listener);
    }

    element.addEventListener(TRANSITION_END, listener);
    setTimeout(() => {
      if (!called) {
        triggerTransitionEnd(element);
      }
    }, emulatedDuration);
  };

  const typeCheckConfig = (componentName, config, configTypes) => {
    Object.keys(configTypes).forEach(property => {
      const expectedTypes = configTypes[property];
      const value = config[property];
      const valueType = value && isElement(value) ? 'element' : toType(value);

      if (!new RegExp(expectedTypes).test(valueType)) {
        throw new TypeError(`${componentName.toUpperCase()}: ` + `Option "${property}" provided type "${valueType}" ` + `but expected type "${expectedTypes}".`);
      }
    });
  };

  const reflow = element => element.offsetHeight;

  const getjQuery = () => {
    const {
      jQuery
    } = window;

    if (jQuery && !document.body.hasAttribute('data-bs-no-jquery')) {
      return jQuery;
    }

    return null;
  };

  const onDOMContentLoaded = callback => {
    if (document.readyState === 'loading') {
      document.addEventListener('DOMContentLoaded', callback);
    } else {
      callback();
    }
  };

  const defineJQueryPlugin = (name, plugin) => {
    onDOMContentLoaded(() => {
      const $ = getjQuery();
      /* istanbul ignore if */

      if ($) {
        const JQUERY_NO_CONFLICT = $.fn[name];
        $.fn[name] = plugin.jQueryInterface;
        $.fn[name].Constructor = plugin;

        $.fn[name].noConflict = () => {
          $.fn[name] = JQUERY_NO_CONFLICT;
          return plugin.jQueryInterface;
        };
      }
    });
  };

  /**
   * --------------------------------------------------------------------------
   * Bootstrap (v5.0.0-beta3): collapse.js
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
   * --------------------------------------------------------------------------
   */
  /**
   * ------------------------------------------------------------------------
   * Constants
   * ------------------------------------------------------------------------
   */

  const NAME = 'collapse';
  const DATA_KEY = 'bs.collapse';
  const EVENT_KEY = `.${DATA_KEY}`;
  const DATA_API_KEY = '.data-api';
  const Default = {
    toggle: true,
    parent: ''
  };
  const DefaultType = {
    toggle: 'boolean',
    parent: '(string|element)'
  };
  const EVENT_SHOW = `show${EVENT_KEY}`;
  const EVENT_SHOWN = `shown${EVENT_KEY}`;
  const EVENT_HIDE = `hide${EVENT_KEY}`;
  const EVENT_HIDDEN = `hidden${EVENT_KEY}`;
  const EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`;
  const CLASS_NAME_SHOW = 'show';
  const CLASS_NAME_COLLAPSE = 'collapse';
  const CLASS_NAME_COLLAPSING = 'collapsing';
  const CLASS_NAME_COLLAPSED = 'collapsed';
  const WIDTH = 'width';
  const HEIGHT = 'height';
  const SELECTOR_ACTIVES = '.show, .collapsing';
  const SELECTOR_DATA_TOGGLE = '[data-bs-toggle="collapse"]';
  /**
   * ------------------------------------------------------------------------
   * Class Definition
   * ------------------------------------------------------------------------
   */

  class Collapse extends BaseComponent__default['default'] {
    constructor(element, config) {
      super(element);
      this._isTransitioning = false;
      this._config = this._getConfig(config);
      this._triggerArray = SelectorEngine__default['default'].find(`${SELECTOR_DATA_TOGGLE}[href="#${this._element.id}"],` + `${SELECTOR_DATA_TOGGLE}[data-bs-target="#${this._element.id}"]`);
      const toggleList = SelectorEngine__default['default'].find(SELECTOR_DATA_TOGGLE);

      for (let i = 0, len = toggleList.length; i < len; i++) {
        const elem = toggleList[i];
        const selector = getSelectorFromElement(elem);
        const filterElement = SelectorEngine__default['default'].find(selector).filter(foundElem => foundElem === this._element);

        if (selector !== null && filterElement.length) {
          this._selector = selector;

          this._triggerArray.push(elem);
        }
      }

      this._parent = this._config.parent ? this._getParent() : null;

      if (!this._config.parent) {
        this._addAriaAndCollapsedClass(this._element, this._triggerArray);
      }

      if (this._config.toggle) {
        this.toggle();
      }
    } // Getters


    static get Default() {
      return Default;
    }

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


    toggle() {
      if (this._element.classList.contains(CLASS_NAME_SHOW)) {
        this.hide();
      } else {
        this.show();
      }
    }

    show() {
      if (this._isTransitioning || this._element.classList.contains(CLASS_NAME_SHOW)) {
        return;
      }

      let actives;
      let activesData;

      if (this._parent) {
        actives = SelectorEngine__default['default'].find(SELECTOR_ACTIVES, this._parent).filter(elem => {
          if (typeof this._config.parent === 'string') {
            return elem.getAttribute('data-bs-parent') === this._config.parent;
          }

          return elem.classList.contains(CLASS_NAME_COLLAPSE);
        });

        if (actives.length === 0) {
          actives = null;
        }
      }

      const container = SelectorEngine__default['default'].findOne(this._selector);

      if (actives) {
        const tempActiveData = actives.find(elem => container !== elem);
        activesData = tempActiveData ? Data__default['default'].get(tempActiveData, DATA_KEY) : null;

        if (activesData && activesData._isTransitioning) {
          return;
        }
      }

      const startEvent = EventHandler__default['default'].trigger(this._element, EVENT_SHOW);

      if (startEvent.defaultPrevented) {
        return;
      }

      if (actives) {
        actives.forEach(elemActive => {
          if (container !== elemActive) {
            Collapse.collapseInterface(elemActive, 'hide');
          }

          if (!activesData) {
            Data__default['default'].set(elemActive, DATA_KEY, null);
          }
        });
      }

      const dimension = this._getDimension();

      this._element.classList.remove(CLASS_NAME_COLLAPSE);

      this._element.classList.add(CLASS_NAME_COLLAPSING);

      this._element.style[dimension] = 0;

      if (this._triggerArray.length) {
        this._triggerArray.forEach(element => {
          element.classList.remove(CLASS_NAME_COLLAPSED);
          element.setAttribute('aria-expanded', true);
        });
      }

      this.setTransitioning(true);

      const complete = () => {
        this._element.classList.remove(CLASS_NAME_COLLAPSING);

        this._element.classList.add(CLASS_NAME_COLLAPSE, CLASS_NAME_SHOW);

        this._element.style[dimension] = '';
        this.setTransitioning(false);
        EventHandler__default['default'].trigger(this._element, EVENT_SHOWN);
      };

      const capitalizedDimension = dimension[0].toUpperCase() + dimension.slice(1);
      const scrollSize = `scroll${capitalizedDimension}`;
      const transitionDuration = getTransitionDurationFromElement(this._element);
      EventHandler__default['default'].one(this._element, 'transitionend', complete);
      emulateTransitionEnd(this._element, transitionDuration);
      this._element.style[dimension] = `${this._element[scrollSize]}px`;
    }

    hide() {
      if (this._isTransitioning || !this._element.classList.contains(CLASS_NAME_SHOW)) {
        return;
      }

      const startEvent = EventHandler__default['default'].trigger(this._element, EVENT_HIDE);

      if (startEvent.defaultPrevented) {
        return;
      }

      const dimension = this._getDimension();

      this._element.style[dimension] = `${this._element.getBoundingClientRect()[dimension]}px`;
      reflow(this._element);

      this._element.classList.add(CLASS_NAME_COLLAPSING);

      this._element.classList.remove(CLASS_NAME_COLLAPSE, CLASS_NAME_SHOW);

      const triggerArrayLength = this._triggerArray.length;

      if (triggerArrayLength > 0) {
        for (let i = 0; i < triggerArrayLength; i++) {
          const trigger = this._triggerArray[i];
          const elem = getElementFromSelector(trigger);

          if (elem && !elem.classList.contains(CLASS_NAME_SHOW)) {
            trigger.classList.add(CLASS_NAME_COLLAPSED);
            trigger.setAttribute('aria-expanded', false);
          }
        }
      }

      this.setTransitioning(true);

      const complete = () => {
        this.setTransitioning(false);

        this._element.classList.remove(CLASS_NAME_COLLAPSING);

        this._element.classList.add(CLASS_NAME_COLLAPSE);

        EventHandler__default['default'].trigger(this._element, EVENT_HIDDEN);
      };

      this._element.style[dimension] = '';
      const transitionDuration = getTransitionDurationFromElement(this._element);
      EventHandler__default['default'].one(this._element, 'transitionend', complete);
      emulateTransitionEnd(this._element, transitionDuration);
    }

    setTransitioning(isTransitioning) {
      this._isTransitioning = isTransitioning;
    }

    dispose() {
      super.dispose();
      this._config = null;
      this._parent = null;
      this._triggerArray = null;
      this._isTransitioning = null;
    } // Private


    _getConfig(config) {
      config = { ...Default,
        ...config
      };
      config.toggle = Boolean(config.toggle); // Coerce string values

      typeCheckConfig(NAME, config, DefaultType);
      return config;
    }

    _getDimension() {
      return this._element.classList.contains(WIDTH) ? WIDTH : HEIGHT;
    }

    _getParent() {
      let {
        parent
      } = this._config;

      if (isElement(parent)) {
        // it's a jQuery object
        if (typeof parent.jquery !== 'undefined' || typeof parent[0] !== 'undefined') {
          parent = parent[0];
        }
      } else {
        parent = SelectorEngine__default['default'].findOne(parent);
      }

      const selector = `${SELECTOR_DATA_TOGGLE}[data-bs-parent="${parent}"]`;
      SelectorEngine__default['default'].find(selector, parent).forEach(element => {
        const selected = getElementFromSelector(element);

        this._addAriaAndCollapsedClass(selected, [element]);
      });
      return parent;
    }

    _addAriaAndCollapsedClass(element, triggerArray) {
      if (!element || !triggerArray.length) {
        return;
      }

      const isOpen = element.classList.contains(CLASS_NAME_SHOW);
      triggerArray.forEach(elem => {
        if (isOpen) {
          elem.classList.remove(CLASS_NAME_COLLAPSED);
        } else {
          elem.classList.add(CLASS_NAME_COLLAPSED);
        }

        elem.setAttribute('aria-expanded', isOpen);
      });
    } // Static


    static collapseInterface(element, config) {
      let data = Data__default['default'].get(element, DATA_KEY);
      const _config = { ...Default,
        ...Manipulator__default['default'].getDataAttributes(element),
        ...(typeof config === 'object' && config ? config : {})
      };

      if (!data && _config.toggle && typeof config === 'string' && /show|hide/.test(config)) {
        _config.toggle = false;
      }

      if (!data) {
        data = new Collapse(element, _config);
      }

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

        data[config]();
      }
    }

    static jQueryInterface(config) {
      return this.each(function () {
        Collapse.collapseInterface(this, config);
      });
    }

  }
  /**
   * ------------------------------------------------------------------------
   * Data Api implementation
   * ------------------------------------------------------------------------
   */


  EventHandler__default['default'].on(document, EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {
    // preventDefault only for <a> elements (which change the URL) not inside the collapsible element
    if (event.target.tagName === 'A' || event.delegateTarget && event.delegateTarget.tagName === 'A') {
      event.preventDefault();
    }

    const triggerData = Manipulator__default['default'].getDataAttributes(this);
    const selector = getSelectorFromElement(this);
    const selectorElements = SelectorEngine__default['default'].find(selector);
    selectorElements.forEach(element => {
      const data = Data__default['default'].get(element, DATA_KEY);
      let config;

      if (data) {
        // update parent attribute
        if (data._parent === null && typeof triggerData.parent === 'string') {
          data._config.parent = triggerData.parent;
          data._parent = data._getParent();
        }

        config = 'toggle';
      } else {
        config = triggerData;
      }

      Collapse.collapseInterface(element, config);
    });
  });
  /**
   * ------------------------------------------------------------------------
   * jQuery
   * ------------------------------------------------------------------------
   * add .Collapse to jQuery only if jQuery is present
   */

  defineJQueryPlugin(NAME, Collapse);

  return Collapse;

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