(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('jquery'), require('./util.js')) :
  typeof define === 'function' && define.amd ? define(['jquery', './util.js'], factory) :
  (global.Collapse = factory(global.jQuery,global.Util));
}(this, (function ($,Util) { 'use strict';

  $ = $ && $.hasOwnProperty('default') ? $['default'] : $;
  Util = Util && Util.hasOwnProperty('default') ? Util['default'] : Util;

  function _defineProperties(target, props) {
    for (var i = 0; i < props.length; i++) {
      var descriptor = props[i];
      descriptor.enumerable = descriptor.enumerable || false;
      descriptor.configurable = true;
      if ("value" in descriptor) descriptor.writable = true;
      Object.defineProperty(target, descriptor.key, descriptor);
    }
  }

  function _createClass(Constructor, protoProps, staticProps) {
    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
    if (staticProps) _defineProperties(Constructor, staticProps);
    return Constructor;
  }

  function _defineProperty(obj, key, value) {
    if (key in obj) {
      Object.defineProperty(obj, key, {
        value: value,
        enumerable: true,
        configurable: true,
        writable: true
      });
    } else {
      obj[key] = value;
    }

    return obj;
  }

  function _objectSpread(target) {
    for (var i = 1; i < arguments.length; i++) {
      var source = arguments[i] != null ? arguments[i] : {};
      var ownKeys = Object.keys(source);

      if (typeof Object.getOwnPropertySymbols === 'function') {
        ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) {
          return Object.getOwnPropertyDescriptor(source, sym).enumerable;
        }));
      }

      ownKeys.forEach(function (key) {
        _defineProperty(target, key, source[key]);
      });
    }

    return target;
  }

  /**
   * --------------------------------------------------------------------------
   * Bootstrap (v4.1.2): collapse.js
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
   * --------------------------------------------------------------------------
   */

  var Collapse = function ($$$1) {
    /**
     * ------------------------------------------------------------------------
     * Constants
     * ------------------------------------------------------------------------
     */
    var NAME = 'collapse';
    var VERSION = '4.1.2';
    var DATA_KEY = 'bs.collapse';
    var EVENT_KEY = "." + DATA_KEY;
    var DATA_API_KEY = '.data-api';
    var JQUERY_NO_CONFLICT = $$$1.fn[NAME];
    var Default = {
      toggle: true,
      parent: ''
    };
    var DefaultType = {
      toggle: 'boolean',
      parent: '(string|element)'
    };
    var Event = {
      SHOW: "show" + EVENT_KEY,
      SHOWN: "shown" + EVENT_KEY,
      HIDE: "hide" + EVENT_KEY,
      HIDDEN: "hidden" + EVENT_KEY,
      CLICK_DATA_API: "click" + EVENT_KEY + DATA_API_KEY
    };
    var ClassName = {
      SHOW: 'show',
      COLLAPSE: 'collapse',
      COLLAPSING: 'collapsing',
      COLLAPSED: 'collapsed'
    };
    var Dimension = {
      WIDTH: 'width',
      HEIGHT: 'height'
    };
    var Selector = {
      ACTIVES: '.show, .collapsing',
      DATA_TOGGLE: '[data-toggle="collapse"]'
      /**
       * ------------------------------------------------------------------------
       * Class Definition
       * ------------------------------------------------------------------------
       */

    };

    var Collapse =
    /*#__PURE__*/
    function () {
      function Collapse(element, config) {
        this._isTransitioning = false;
        this._element = element;
        this._config = this._getConfig(config);
        this._triggerArray = $$$1.makeArray(document.querySelectorAll("[data-toggle=\"collapse\"][href=\"#" + element.id + "\"]," + ("[data-toggle=\"collapse\"][data-target=\"#" + element.id + "\"]")));
        var toggleList = [].slice.call(document.querySelectorAll(Selector.DATA_TOGGLE));

        for (var i = 0, len = toggleList.length; i < len; i++) {
          var elem = toggleList[i];
          var selector = Util.getSelectorFromElement(elem);
          var filterElement = [].slice.call(document.querySelectorAll(selector)).filter(function (foundElem) {
            return foundElem === element;
          });

          if (selector !== null && filterElement.length > 0) {
            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


      var _proto = Collapse.prototype;

      // Public
      _proto.toggle = function toggle() {
        if ($$$1(this._element).hasClass(ClassName.SHOW)) {
          this.hide();
        } else {
          this.show();
        }
      };

      _proto.show = function show() {
        var _this = this;

        if (this._isTransitioning || $$$1(this._element).hasClass(ClassName.SHOW)) {
          return;
        }

        var actives;
        var activesData;

        if (this._parent) {
          actives = [].slice.call(this._parent.querySelectorAll(Selector.ACTIVES)).filter(function (elem) {
            return elem.getAttribute('data-parent') === _this._config.parent;
          });

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

        if (actives) {
          activesData = $$$1(actives).not(this._selector).data(DATA_KEY);

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

        var startEvent = $$$1.Event(Event.SHOW);
        $$$1(this._element).trigger(startEvent);

        if (startEvent.isDefaultPrevented()) {
          return;
        }

        if (actives) {
          Collapse._jQueryInterface.call($$$1(actives).not(this._selector), 'hide');

          if (!activesData) {
            $$$1(actives).data(DATA_KEY, null);
          }
        }

        var dimension = this._getDimension();

        $$$1(this._element).removeClass(ClassName.COLLAPSE).addClass(ClassName.COLLAPSING);
        this._element.style[dimension] = 0;

        if (this._triggerArray.length) {
          $$$1(this._triggerArray).removeClass(ClassName.COLLAPSED).attr('aria-expanded', true);
        }

        this.setTransitioning(true);

        var complete = function complete() {
          $$$1(_this._element).removeClass(ClassName.COLLAPSING).addClass(ClassName.COLLAPSE).addClass(ClassName.SHOW);
          _this._element.style[dimension] = '';

          _this.setTransitioning(false);

          $$$1(_this._element).trigger(Event.SHOWN);
        };

        var capitalizedDimension = dimension[0].toUpperCase() + dimension.slice(1);
        var scrollSize = "scroll" + capitalizedDimension;
        var transitionDuration = Util.getTransitionDurationFromElement(this._element);
        $$$1(this._element).one(Util.TRANSITION_END, complete).emulateTransitionEnd(transitionDuration);
        this._element.style[dimension] = this._element[scrollSize] + "px";
      };

      _proto.hide = function hide() {
        var _this2 = this;

        if (this._isTransitioning || !$$$1(this._element).hasClass(ClassName.SHOW)) {
          return;
        }

        var startEvent = $$$1.Event(Event.HIDE);
        $$$1(this._element).trigger(startEvent);

        if (startEvent.isDefaultPrevented()) {
          return;
        }

        var dimension = this._getDimension();

        this._element.style[dimension] = this._element.getBoundingClientRect()[dimension] + "px";
        Util.reflow(this._element);
        $$$1(this._element).addClass(ClassName.COLLAPSING).removeClass(ClassName.COLLAPSE).removeClass(ClassName.SHOW);
        var triggerArrayLength = this._triggerArray.length;

        if (triggerArrayLength > 0) {
          for (var i = 0; i < triggerArrayLength; i++) {
            var trigger = this._triggerArray[i];
            var selector = Util.getSelectorFromElement(trigger);

            if (selector !== null) {
              var $elem = $$$1([].slice.call(document.querySelectorAll(selector)));

              if (!$elem.hasClass(ClassName.SHOW)) {
                $$$1(trigger).addClass(ClassName.COLLAPSED).attr('aria-expanded', false);
              }
            }
          }
        }

        this.setTransitioning(true);

        var complete = function complete() {
          _this2.setTransitioning(false);

          $$$1(_this2._element).removeClass(ClassName.COLLAPSING).addClass(ClassName.COLLAPSE).trigger(Event.HIDDEN);
        };

        this._element.style[dimension] = '';
        var transitionDuration = Util.getTransitionDurationFromElement(this._element);
        $$$1(this._element).one(Util.TRANSITION_END, complete).emulateTransitionEnd(transitionDuration);
      };

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

      _proto.dispose = function dispose() {
        $$$1.removeData(this._element, DATA_KEY);
        this._config = null;
        this._parent = null;
        this._element = null;
        this._triggerArray = null;
        this._isTransitioning = null;
      }; // Private


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

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

      _proto._getDimension = function _getDimension() {
        var hasWidth = $$$1(this._element).hasClass(Dimension.WIDTH);
        return hasWidth ? Dimension.WIDTH : Dimension.HEIGHT;
      };

      _proto._getParent = function _getParent() {
        var _this3 = this;

        var parent = null;

        if (Util.isElement(this._config.parent)) {
          parent = this._config.parent; // It's a jQuery object

          if (typeof this._config.parent.jquery !== 'undefined') {
            parent = this._config.parent[0];
          }
        } else {
          parent = document.querySelector(this._config.parent);
        }

        var selector = "[data-toggle=\"collapse\"][data-parent=\"" + this._config.parent + "\"]";
        var children = [].slice.call(parent.querySelectorAll(selector));
        $$$1(children).each(function (i, element) {
          _this3._addAriaAndCollapsedClass(Collapse._getTargetFromElement(element), [element]);
        });
        return parent;
      };

      _proto._addAriaAndCollapsedClass = function _addAriaAndCollapsedClass(element, triggerArray) {
        if (element) {
          var isOpen = $$$1(element).hasClass(ClassName.SHOW);

          if (triggerArray.length) {
            $$$1(triggerArray).toggleClass(ClassName.COLLAPSED, !isOpen).attr('aria-expanded', isOpen);
          }
        }
      }; // Static


      Collapse._getTargetFromElement = function _getTargetFromElement(element) {
        var selector = Util.getSelectorFromElement(element);
        return selector ? document.querySelector(selector) : null;
      };

      Collapse._jQueryInterface = function _jQueryInterface(config) {
        return this.each(function () {
          var $this = $$$1(this);
          var data = $this.data(DATA_KEY);

          var _config = _objectSpread({}, Default, $this.data(), typeof config === 'object' && config ? config : {});

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

          if (!data) {
            data = new Collapse(this, _config);
            $this.data(DATA_KEY, data);
          }

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

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

      _createClass(Collapse, null, [{
        key: "VERSION",
        get: function get() {
          return VERSION;
        }
      }, {
        key: "Default",
        get: function get() {
          return Default;
        }
      }]);

      return Collapse;
    }();
    /**
     * ------------------------------------------------------------------------
     * Data Api implementation
     * ------------------------------------------------------------------------
     */


    $$$1(document).on(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.currentTarget.tagName === 'A') {
        event.preventDefault();
      }

      var $trigger = $$$1(this);
      var selector = Util.getSelectorFromElement(this);
      var selectors = [].slice.call(document.querySelectorAll(selector));
      $$$1(selectors).each(function () {
        var $target = $$$1(this);
        var data = $target.data(DATA_KEY);
        var config = data ? 'toggle' : $trigger.data();

        Collapse._jQueryInterface.call($target, config);
      });
    });
    /**
     * ------------------------------------------------------------------------
     * jQuery
     * ------------------------------------------------------------------------
     */

    $$$1.fn[NAME] = Collapse._jQueryInterface;
    $$$1.fn[NAME].Constructor = Collapse;

    $$$1.fn[NAME].noConflict = function () {
      $$$1.fn[NAME] = JQUERY_NO_CONFLICT;
      return Collapse._jQueryInterface;
    };

    return Collapse;
  }($);

  return Collapse;

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