bootstrap.js

/*!
 * Bootstrap v4.0.0-alpha (http://getbootstrap.com)
 * Copyright 2011-2015 Twitter, Inc.
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 */

if (typeof jQuery === 'undefined') {
  throw new Error('Bootstrap\'s JavaScript requires jQuery')
}

+function ($) {
  var version = $.fn.jquery.split(' ')[0].split('.')
  if ((version[0] < 2 && version[1] < 9) || (version[0] == 1 && version[1] == 9 && version[2] < 1)) {
    throw new Error('Bootstrap\'s JavaScript requires jQuery version 1.9.1 or higher')
  }
}(jQuery);


+function ($) {

'use strict';

var _createClass = (function () { 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); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();

function _inherits(subClass, superClass) { if (typeof superClass !== 'function' && superClass !== null) { throw new TypeError('Super expression must either be null or a function, not ' + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) subClass.__proto__ = superClass; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }

/**
 * --------------------------------------------------------------------------
 * Bootstrap (v4.0.0): util.js
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 * --------------------------------------------------------------------------
 */

var Util = (function ($) {

  /**
   * ------------------------------------------------------------------------
   * Private TransitionEnd Helpers
   * ------------------------------------------------------------------------
   */

  var transition = false;

  var TransitionEndEvent = {
    WebkitTransition: 'webkitTransitionEnd',
    MozTransition: 'transitionend',
    OTransition: 'oTransitionEnd otransitionend',
    transition: 'transitionend'
  };

  function getSpecialTransitionEndEvent() {
    return {
      bindType: transition.end,
      delegateType: transition.end,
      handle: function handle(event) {
        if ($(event.target).is(this)) {
          return event.handleObj.handler.apply(this, arguments);
        }
      }
    };
  }

  function transitionEndTest() {
    if (window.QUnit) {
      return false;
    }

    var el = document.createElement('bootstrap');

    for (var name in TransitionEndEvent) {
      if (el.style[name] !== undefined) {
        return { end: TransitionEndEvent[name] };
      }
    }

    return false;
  }

  function transitionEndEmulator(duration) {
    var _this = this;

    var called = false;

    $(this).one(Util.TRANSITION_END, function () {
      called = true;
    });

    setTimeout(function () {
      if (!called) {
        Util.triggerTransitionEnd(_this);
      }
    }, duration);

    return this;
  }

  function setTransitionEndSupport() {
    transition = transitionEndTest();

    $.fn.emulateTransitionEnd = transitionEndEmulator;

    if (Util.supportsTransitionEnd()) {
      $.event.special[Util.TRANSITION_END] = getSpecialTransitionEndEvent();
    }
  }

  /**
   * --------------------------------------------------------------------------
   * Public Util Api
   * --------------------------------------------------------------------------
   */

  var Util = {

    TRANSITION_END: 'bsTransitionEnd',

    getUID: function getUID(prefix) {
      do prefix += ~ ~(Math.random() * 1000000); while (document.getElementById(prefix));
      return prefix;
    },

    getSelectorFromElement: function getSelectorFromElement(element) {
      var selector = element.getAttribute('data-target');

      if (!selector) {
        selector = element.getAttribute('href') || '';
        selector = /^#[a-z]/i.test(selector) ? selector : null;
      }

      return selector;
    },

    reflow: function reflow(element) {
      new Function('bs', 'return bs')(element.offsetHeight);
    },

    triggerTransitionEnd: function triggerTransitionEnd(element) {
      $(element).trigger(transition.end);
    },

    supportsTransitionEnd: function supportsTransitionEnd() {
      return !!transition;
    }

  };

  setTransitionEndSupport();

  return Util;
})(jQuery);

/**
 * --------------------------------------------------------------------------
 * Bootstrap (v4.0.0): alert.js
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 * --------------------------------------------------------------------------
 */

var Alert = (function ($) {

  /**
   * ------------------------------------------------------------------------
   * Constants
   * ------------------------------------------------------------------------
   */

  var NAME = 'alert';
  var VERSION = '4.0.0';
  var DATA_KEY = 'bs.alert';
  var JQUERY_NO_CONFLICT = $.fn[NAME];
  var TRANSITION_DURATION = 150;

  var Selector = {
    DISMISS: '[data-dismiss="alert"]'
  };

  var Event = {
    CLOSE: 'close.bs.alert',
    CLOSED: 'closed.bs.alert',
    CLICK: 'click.bs.alert.data-api'
  };

  var ClassName = {
    ALERT: 'alert',
    FADE: 'fade',
    IN: 'in'
  };

  /**
   * ------------------------------------------------------------------------
   * Class Definition
   * ------------------------------------------------------------------------
   */

  var Alert = (function () {
    function Alert(element) {
      _classCallCheck(this, Alert);

      this._element = element;
    }

    _createClass(Alert, [{
      key: 'close',

      // public

      value: function close(element) {
        element = element || this._element;

        var rootElement = this._getRootElement(element);
        var customEvent = this._triggerCloseEvent(rootElement);

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

        this._removeElement(rootElement);
      }
    }, {
      key: '_getRootElement',

      // private

      value: function _getRootElement(element) {
        var parent = false;
        var selector = Util.getSelectorFromElement(element);

        if (selector) {
          parent = $(selector)[0];
        }

        if (!parent) {
          parent = $(element).closest('.' + ClassName.ALERT)[0];
        }

        return parent;
      }
    }, {
      key: '_triggerCloseEvent',
      value: function _triggerCloseEvent(element) {
        var closeEvent = $.Event(Event.CLOSE);
        $(element).trigger(closeEvent);
        return closeEvent;
      }
    }, {
      key: '_removeElement',
      value: function _removeElement(element) {
        $(element).removeClass(ClassName.IN);

        if (!Util.supportsTransitionEnd() || !$(element).hasClass(ClassName.FADE)) {
          this._destroyElement(element);
          return;
        }

        $(element).one(Util.TRANSITION_END, this._destroyElement.bind(this, element)).emulateTransitionEnd(TRANSITION_DURATION);
      }
    }, {
      key: '_destroyElement',
      value: function _destroyElement(element) {
        $(element).detach().trigger(Event.CLOSED).remove();
      }
    }], [{
      key: 'VERSION',

      // getters

      get: function () {
        return VERSION;
      }
    }, {
      key: '_jQueryInterface',

      // static

      value: function _jQueryInterface(config) {
        return this.each(function () {
          var $element = $(this);
          var data = $element.data(DATA_KEY);

          if (!data) {
            data = new Alert(this);
            $element.data(DATA_KEY, data);
          }

          if (config === 'close') {
            data[config](this);
          }
        });
      }
    }, {
      key: '_handleDismiss',
      value: function _handleDismiss(alertInstance) {
        return function (event) {
          if (event) {
            event.preventDefault();
          }

          alertInstance.close(this);
        };
      }
    }]);

    return Alert;
  })();

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

  $(document).on(Event.CLICK, Selector.DISMISS, Alert._handleDismiss(new Alert()));

  /**
   * ------------------------------------------------------------------------
   * jQuery
   * ------------------------------------------------------------------------
   */

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

  return Alert;
})(jQuery);

/**
 * --------------------------------------------------------------------------
 * Bootstrap (v4.0.0): button.js
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 * --------------------------------------------------------------------------
 */

var Button = (function ($) {

  /**
   * ------------------------------------------------------------------------
   * Constants
   * ------------------------------------------------------------------------
   */

  var NAME = 'button';
  var VERSION = '4.0.0';
  var DATA_KEY = 'bs.button';
  var JQUERY_NO_CONFLICT = $.fn[NAME];
  var TRANSITION_DURATION = 150;

  var ClassName = {
    ACTIVE: 'active',
    BUTTON: 'btn',
    FOCUS: 'focus'
  };

  var Selector = {
    DATA_TOGGLE_CARROT: '[data-toggle^="button"]',
    DATA_TOGGLE: '[data-toggle="buttons"]',
    INPUT: 'input',
    ACTIVE: '.active',
    BUTTON: '.btn'
  };

  var Event = {
    CLICK: 'click.bs.button.data-api',
    FOCUS_BLUR: 'focus.bs.button.data-api blur.bs.button.data-api'
  };

  /**
   * ------------------------------------------------------------------------
   * Class Definition
   * ------------------------------------------------------------------------
   */

  var Button = (function () {
    function Button(element) {
      _classCallCheck(this, Button);

      this._element = element;
    }

    _createClass(Button, [{
      key: 'toggle',

      // public

      value: function toggle() {
        var triggerChangeEvent = true;
        var rootElement = $(this._element).closest(Selector.DATA_TOGGLE)[0];

        if (rootElement) {
          var input = $(this._element).find(Selector.INPUT)[0];

          if (input) {
            if (input.type === 'radio') {
              if (input.checked && $(this._element).hasClass(ClassName.ACTIVE)) {
                triggerChangeEvent = false;
              } else {
                var activeElement = $(rootElement).find(Selector.ACTIVE)[0];

                if (activeElement) {
                  $(activeElement).removeClass(ClassName.ACTIVE);
                }
              }
            }

            if (triggerChangeEvent) {
              input.checked = !$(this._element).hasClass(ClassName.ACTIVE);
              $(this._element).trigger('change');
            }
          }
        } else {
          this._element.setAttribute('aria-pressed', !$(this._element).hasClass(ClassName.ACTIVE));
        }

        if (triggerChangeEvent) {
          $(this._element).toggleClass(ClassName.ACTIVE);
        }
      }
    }], [{
      key: 'VERSION',

      // getters

      get: function () {
        return VERSION;
      }
    }, {
      key: '_jQueryInterface',

      // static

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

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

          if (config === 'toggle') {
            data[config]();
          }
        });
      }
    }]);

    return Button;
  })();

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

  $(document).on(Event.CLICK, Selector.DATA_TOGGLE_CARROT, function (event) {
    event.preventDefault();

    var button = event.target;

    if (!$(button).hasClass(ClassName.BUTTON)) {
      button = $(button).closest(Selector.BUTTON);
    }

    Button._jQueryInterface.call($(button), 'toggle');
  }).on(Event.FOCUS_BLUR, Selector.DATA_TOGGLE_CARROT, function (event) {
    var button = $(event.target).closest(Selector.BUTTON)[0];
    $(button).toggleClass(ClassName.FOCUS, /^focus(in)?$/.test(event.type));
  });

  /**
   * ------------------------------------------------------------------------
   * jQuery
   * ------------------------------------------------------------------------
   */

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

  return Button;
})(jQuery);

/**
 * --------------------------------------------------------------------------
 * Bootstrap (v4.0.0): carousel.js
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 * --------------------------------------------------------------------------
 */

var Carousel = (function ($) {

  /**
   * ------------------------------------------------------------------------
   * Constants
   * ------------------------------------------------------------------------
   */

  var NAME = 'carousel';
  var VERSION = '4.0.0';
  var DATA_KEY = 'bs.carousel';
  var JQUERY_NO_CONFLICT = $.fn[NAME];
  var TRANSITION_DURATION = 600;

  var Default = {
    interval: 5000,
    keyboard: true,
    slide: false,
    pause: 'hover',
    wrap: true
  };

  var Direction = {
    NEXT: 'next',
    PREVIOUS: 'prev'
  };

  var Event = {
    SLIDE: 'slide.bs.carousel',
    SLID: 'slid.bs.carousel',
    CLICK: 'click.bs.carousel.data-api',
    LOAD: 'load'
  };

  var ClassName = {
    CAROUSEL: 'carousel',
    ACTIVE: 'active',
    SLIDE: 'slide',
    RIGHT: 'right',
    LEFT: 'left',
    ITEM: 'carousel-item'
  };

  var Selector = {
    ACTIVE: '.active',
    ACTIVE_ITEM: '.active.carousel-item',
    ITEM: '.carousel-item',
    NEXT_PREV: '.next, .prev',
    INDICATORS: '.carousel-indicators',
    DATA_SLIDE: '[data-slide], [data-slide-to]',
    DATA_RIDE: '[data-ride="carousel"]'
  };

  /**
   * ------------------------------------------------------------------------
   * Class Definition
   * ------------------------------------------------------------------------
   */

  var Carousel = (function () {
    function Carousel(element, config) {
      _classCallCheck(this, Carousel);

      this._items = null;
      this._interval = null;
      this._activeElement = null;

      this._isPaused = false;
      this._isSliding = false;

      this._config = config;
      this._element = $(element)[0];
      this._indicatorsElement = $(this._element).find(Selector.INDICATORS)[0];

      this._addEventListeners();
    }

    _createClass(Carousel, [{
      key: 'next',

      // public

      value: function next() {
        if (!this._isSliding) {
          this._slide(Direction.NEXT);
        }
      }
    }, {
      key: 'prev',
      value: function prev() {
        if (!this._isSliding) {
          this._slide(Direction.PREVIOUS);
        }
      }
    }, {
      key: 'pause',
      value: function pause(event) {
        if (!event) {
          this._isPaused = true;
        }

        if ($(this._element).find(Selector.NEXT_PREV)[0] && Util.supportsTransitionEnd()) {
          Util.triggerTransitionEnd(this._element);
          this.cycle(true);
        }

        clearInterval(this._interval);
        this._interval = null;
      }
    }, {
      key: 'cycle',
      value: function cycle(event) {
        if (!event) {
          this._isPaused = false;
        }

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

        if (this._config.interval && !this._isPaused) {
          this._interval = setInterval($.proxy(this.next, this), this._config.interval);
        }
      }
    }, {
      key: 'to',
      value: function to(index) {
        var _this2 = this;

        this._activeElement = $(this._element).find(Selector.ACTIVE_ITEM)[0];

        var activeIndex = this._getItemIndex(this._activeElement);

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

        if (this._isSliding) {
          $(this._element).one(Event.SLID, function () {
            return _this2.to(index);
          });
          return;
        }

        if (activeIndex == index) {
          this.pause();
          this.cycle();
          return;
        }

        var direction = index > activeIndex ? Direction.NEXT : Direction.PREVIOUS;

        this._slide(direction, this._items[index]);
      }
    }, {
      key: '_addEventListeners',

      // private

      value: function _addEventListeners() {
        if (this._config.keyboard) {
          $(this._element).on('keydown.bs.carousel', $.proxy(this._keydown, this));
        }

        if (this._config.pause == 'hover' && !('ontouchstart' in document.documentElement)) {
          $(this._element).on('mouseenter.bs.carousel', $.proxy(this.pause, this)).on('mouseleave.bs.carousel', $.proxy(this.cycle, this));
        }
      }
    }, {
      key: '_keydown',
      value: function _keydown(event) {
        event.preventDefault();

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

        switch (event.which) {
          case 37:
            this.prev();break;
          case 39:
            this.next();break;
          default:
            return;
        }
      }
    }, {
      key: '_getItemIndex',
      value: function _getItemIndex(element) {
        this._items = $.makeArray($(element).parent().find(Selector.ITEM));
        return this._items.indexOf(element);
      }
    }, {
      key: '_getItemByDirection',
      value: function _getItemByDirection(direction, activeElement) {
        var isNextDirection = direction === Direction.NEXT;
        var isPrevDirection = direction === Direction.PREVIOUS;
        var activeIndex = this._getItemIndex(activeElement);
        var lastItemIndex = this._items.length - 1;
        var isGoingToWrap = isPrevDirection && activeIndex === 0 || isNextDirection && activeIndex == lastItemIndex;

        if (isGoingToWrap && !this._config.wrap) {
          return activeElement;
        }

        var delta = direction == Direction.PREVIOUS ? -1 : 1;
        var itemIndex = (activeIndex + delta) % this._items.length;

        return itemIndex === -1 ? this._items[this._items.length - 1] : this._items[itemIndex];
      }
    }, {
      key: '_triggerSlideEvent',
      value: function _triggerSlideEvent(relatedTarget, directionalClassname) {
        var slideEvent = $.Event(Event.SLIDE, {
          relatedTarget: relatedTarget,
          direction: directionalClassname
        });

        $(this._element).trigger(slideEvent);

        return slideEvent;
      }
    }, {
      key: '_setActiveIndicatorElement',
      value: function _setActiveIndicatorElement(element) {
        if (this._indicatorsElement) {
          $(this._indicatorsElement).find(Selector.ACTIVE).removeClass(ClassName.ACTIVE);

          var nextIndicator = this._indicatorsElement.children[this._getItemIndex(element)];

          if (nextIndicator) {
            $(nextIndicator).addClass(ClassName.ACTIVE);
          }
        }
      }
    }, {
      key: '_slide',
      value: function _slide(direction, element) {
        var _this3 = this;

        var activeElement = $(this._element).find(Selector.ACTIVE_ITEM)[0];
        var nextElement = element || activeElement && this._getItemByDirection(direction, activeElement);

        var isCycling = !!this._interval;

        var directionalClassName = direction == Direction.NEXT ? ClassName.LEFT : ClassName.RIGHT;

        if (nextElement && $(nextElement).hasClass(ClassName.ACTIVE)) {
          this._isSliding = false;
          return;
        }

        var slideEvent = this._triggerSlideEvent(nextElement, directionalClassName);
        if (slideEvent.isDefaultPrevented()) {
          return;
        }

        if (!activeElement || !nextElement) {
          // some weirdness is happening, so we bail
          return;
        }

        this._isSliding = true;

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

        this._setActiveIndicatorElement(nextElement);

        var slidEvent = $.Event(Event.SLID, {
          relatedTarget: nextElement,
          direction: directionalClassName
        });

        if (Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.SLIDE)) {

          $(nextElement).addClass(direction);

          Util.reflow(nextElement);

          $(activeElement).addClass(directionalClassName);
          $(nextElement).addClass(directionalClassName);

          $(activeElement).one(Util.TRANSITION_END, function () {
            $(nextElement).removeClass(directionalClassName).removeClass(direction);

            $(nextElement).addClass(ClassName.ACTIVE);

            $(activeElement).removeClass(ClassName.ACTIVE).removeClass(direction).removeClass(directionalClassName);

            _this3._isSliding = false;

            setTimeout(function () {
              return $(_this3._element).trigger(slidEvent);
            }, 0);
          }).emulateTransitionEnd(TRANSITION_DURATION);
        } else {
          $(activeElement).removeClass(ClassName.ACTIVE);
          $(nextElement).addClass(ClassName.ACTIVE);

          this._isSliding = false;
          $(this._element).trigger(slidEvent);
        }

        if (isCycling) {
          this.cycle();
        }
      }
    }], [{
      key: 'VERSION',

      // getters

      get: function () {
        return VERSION;
      }
    }, {
      key: 'Default',
      get: function () {
        return Default;
      }
    }, {
      key: '_jQueryInterface',

      // static

      value: function _jQueryInterface(config) {
        return this.each(function () {
          var data = $(this).data(DATA_KEY);
          var _config = $.extend({}, Default, $(this).data());

          if (typeof config === 'object') {
            $.extend(_config, config);
          }

          var action = typeof config === 'string' ? config : _config.slide;

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

          if (typeof config == 'number') {
            data.to(config);
          } else if (action) {
            data[action]();
          } else if (_config.interval) {
            data.pause();
            data.cycle();
          }
        });
      }
    }, {
      key: '_dataApiClickHandler',
      value: function _dataApiClickHandler(event) {
        var selector = Util.getSelectorFromElement(this);

        if (!selector) {
          return;
        }

        var target = $(selector)[0];

        if (!target || !$(target).hasClass(ClassName.CAROUSEL)) {
          return;
        }

        var config = $.extend({}, $(target).data(), $(this).data());

        var slideIndex = this.getAttribute('data-slide-to');
        if (slideIndex) {
          config.interval = false;
        }

        Carousel._jQueryInterface.call($(target), config);

        if (slideIndex) {
          $(target).data(DATA_KEY).to(slideIndex);
        }

        event.preventDefault();
      }
    }]);

    return Carousel;
  })();

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

  $(document).on(Event.CLICK, Selector.DATA_SLIDE, Carousel._dataApiClickHandler);

  $(window).on(Event.LOAD, function () {
    $(Selector.DATA_RIDE).each(function () {
      var $carousel = $(this);
      Carousel._jQueryInterface.call($carousel, $carousel.data());
    });
  });

  /**
   * ------------------------------------------------------------------------
   * jQuery
   * ------------------------------------------------------------------------
   */

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

  return Carousel;
})(jQuery);

/**
 * --------------------------------------------------------------------------
 * Bootstrap (v4.0.0): collapse.js
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 * --------------------------------------------------------------------------
 */

var Collapse = (function ($) {

  /**
   * ------------------------------------------------------------------------
   * Constants
   * ------------------------------------------------------------------------
   */

  var NAME = 'collapse';
  var VERSION = '4.0.0';
  var DATA_KEY = 'bs.collapse';
  var JQUERY_NO_CONFLICT = $.fn[NAME];
  var TRANSITION_DURATION = 600;

  var Default = {
    toggle: true,
    parent: null
  };

  var Event = {
    SHOW: 'show.bs.collapse',
    SHOWN: 'shown.bs.collapse',
    HIDE: 'hide.bs.collapse',
    HIDDEN: 'hidden.bs.collapse',
    CLICK: 'click.bs.collapse.data-api'
  };

  var ClassName = {
    IN: 'in',
    COLLAPSE: 'collapse',
    COLLAPSING: 'collapsing',
    COLLAPSED: 'collapsed'
  };

  var Dimension = {
    WIDTH: 'width',
    HEIGHT: 'height'
  };

  var Selector = {
    ACTIVES: '.panel > .in, .panel > .collapsing',
    DATA_TOGGLE: '[data-toggle="collapse"]'
  };

  /**
   * ------------------------------------------------------------------------
   * Class Definition
   * ------------------------------------------------------------------------
   */

  var Collapse = (function () {
    function Collapse(element, config) {
      _classCallCheck(this, Collapse);

      this._isTransitioning = false;
      this._element = element;
      this._config = $.extend({}, Default, config);
      this._triggerArray = $.makeArray($('[data-toggle="collapse"][href="#' + element.id + '"],' + ('[data-toggle="collapse"][data-target="#' + element.id + '"]')));

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

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

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

    _createClass(Collapse, [{
      key: 'toggle',

      // public

      value: function toggle() {
        if ($(this._element).hasClass(ClassName.IN)) {