bootstrap.js

    _proto.dispose = function dispose() {
      Data.removeData(this._element, DATA_KEY$3);
      this._config = null;
      this._parent = null;
      this._element = null;
      this._triggerArray = null;
      this._isTransitioning = null;
    } // Private
    ;

    _proto._getConfig = function _getConfig(config) {
      config = _objectSpread2(_objectSpread2({}, Default$1), config);
      config.toggle = Boolean(config.toggle); // Coerce string values

      typeCheckConfig(NAME$3, config, DefaultType$1);
      return config;
    };

    _proto._getDimension = function _getDimension() {
      var hasWidth = this._element.classList.contains(WIDTH);

      return hasWidth ? WIDTH : HEIGHT;
    };

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

      var parent = this._config.parent;

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

      var selector = SELECTOR_DATA_TOGGLE$1 + "[data-parent=\"" + parent + "\"]";
      SelectorEngine.find(selector, parent).forEach(function (element) {
        var selected = getElementFromSelector(element);

        _this3._addAriaAndCollapsedClass(selected, [element]);
      });
      return parent;
    };

    _proto._addAriaAndCollapsedClass = function _addAriaAndCollapsedClass(element, triggerArray) {
      if (element) {
        var isOpen = element.classList.contains(CLASS_NAME_SHOW);

        if (triggerArray.length) {
          triggerArray.forEach(function (elem) {
            if (isOpen) {
              elem.classList.remove(CLASS_NAME_COLLAPSED);
            } else {
              elem.classList.add(CLASS_NAME_COLLAPSED);
            }

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

    Collapse.collapseInterface = function collapseInterface(element, config) {
      var data = Data.getData(element, DATA_KEY$3);

      var _config = _objectSpread2(_objectSpread2(_objectSpread2({}, Default$1), Manipulator.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]();
      }
    };

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

    Collapse.getInstance = function getInstance(element) {
      return Data.getData(element, DATA_KEY$3);
    };

    _createClass(Collapse, null, [{
      key: "VERSION",
      get: function get() {
        return VERSION$3;
      }
    }, {
      key: "Default",
      get: function get() {
        return Default$1;
      }
    }]);

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


  EventHandler.on(document, EVENT_CLICK_DATA_API$3, SELECTOR_DATA_TOGGLE$1, function (event) {
    // preventDefault only for <a> elements (which change the URL) not inside the collapsible element
    if (event.target.tagName === 'A') {
      event.preventDefault();
    }

    var triggerData = Manipulator.getDataAttributes(this);
    var selector = getSelectorFromElement(this);
    var selectorElements = SelectorEngine.find(selector);
    selectorElements.forEach(function (element) {
      var data = Data.getData(element, DATA_KEY$3);
      var 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);
    });
  });
  var $$4 = getjQuery();
  /**
   * ------------------------------------------------------------------------
   * jQuery
   * ------------------------------------------------------------------------
   * add .collapse to jQuery only if jQuery is present
   */

  /* istanbul ignore if */

  if ($$4) {
    var JQUERY_NO_CONFLICT$3 = $$4.fn[NAME$3];
    $$4.fn[NAME$3] = Collapse.jQueryInterface;
    $$4.fn[NAME$3].Constructor = Collapse;

    $$4.fn[NAME$3].noConflict = function () {
      $$4.fn[NAME$3] = JQUERY_NO_CONFLICT$3;
      return Collapse.jQueryInterface;
    };
  }

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

  var NAME$4 = 'dropdown';
  var VERSION$4 = '5.0.0-alpha1';
  var DATA_KEY$4 = 'bs.dropdown';
  var EVENT_KEY$4 = "." + DATA_KEY$4;
  var DATA_API_KEY$4 = '.data-api';
  var ESCAPE_KEY = 'Escape';
  var SPACE_KEY = 'Space';
  var TAB_KEY = 'Tab';
  var ARROW_UP_KEY = 'ArrowUp';
  var ARROW_DOWN_KEY = 'ArrowDown';
  var RIGHT_MOUSE_BUTTON = 2; // MouseEvent.button value for the secondary button, usually the right button

  var REGEXP_KEYDOWN = new RegExp(ARROW_UP_KEY + "|" + ARROW_DOWN_KEY + "|" + ESCAPE_KEY);
  var EVENT_HIDE$1 = "hide" + EVENT_KEY$4;
  var EVENT_HIDDEN$1 = "hidden" + EVENT_KEY$4;
  var EVENT_SHOW$1 = "show" + EVENT_KEY$4;
  var EVENT_SHOWN$1 = "shown" + EVENT_KEY$4;
  var EVENT_CLICK = "click" + EVENT_KEY$4;
  var EVENT_CLICK_DATA_API$4 = "click" + EVENT_KEY$4 + DATA_API_KEY$4;
  var EVENT_KEYDOWN_DATA_API = "keydown" + EVENT_KEY$4 + DATA_API_KEY$4;
  var EVENT_KEYUP_DATA_API = "keyup" + EVENT_KEY$4 + DATA_API_KEY$4;
  var CLASS_NAME_DISABLED$1 = 'disabled';
  var CLASS_NAME_SHOW$1 = 'show';
  var CLASS_NAME_DROPUP = 'dropup';
  var CLASS_NAME_DROPRIGHT = 'dropright';
  var CLASS_NAME_DROPLEFT = 'dropleft';
  var CLASS_NAME_MENURIGHT = 'dropdown-menu-right';
  var CLASS_NAME_NAVBAR = 'navbar';
  var CLASS_NAME_POSITION_STATIC = 'position-static';
  var SELECTOR_DATA_TOGGLE$2 = '[data-toggle="dropdown"]';
  var SELECTOR_FORM_CHILD = '.dropdown form';
  var SELECTOR_MENU = '.dropdown-menu';
  var SELECTOR_NAVBAR_NAV = '.navbar-nav';
  var SELECTOR_VISIBLE_ITEMS = '.dropdown-menu .dropdown-item:not(.disabled):not(:disabled)';
  var PLACEMENT_TOP = 'top-start';
  var PLACEMENT_TOPEND = 'top-end';
  var PLACEMENT_BOTTOM = 'bottom-start';
  var PLACEMENT_BOTTOMEND = 'bottom-end';
  var PLACEMENT_RIGHT = 'right-start';
  var PLACEMENT_LEFT = 'left-start';
  var Default$2 = {
    offset: 0,
    flip: true,
    boundary: 'scrollParent',
    reference: 'toggle',
    display: 'dynamic',
    popperConfig: null
  };
  var DefaultType$2 = {
    offset: '(number|string|function)',
    flip: 'boolean',
    boundary: '(string|element)',
    reference: '(string|element)',
    display: 'string',
    popperConfig: '(null|object)'
  };
  /**
   * ------------------------------------------------------------------------
   * Class Definition
   * ------------------------------------------------------------------------
   */

  var Dropdown = /*#__PURE__*/function () {
    function Dropdown(element, config) {
      this._element = element;
      this._popper = null;
      this._config = this._getConfig(config);
      this._menu = this._getMenuElement();
      this._inNavbar = this._detectNavbar();

      this._addEventListeners();

      Data.setData(element, DATA_KEY$4, this);
    } // Getters


    var _proto = Dropdown.prototype;

    // Public
    _proto.toggle = function toggle() {
      if (this._element.disabled || this._element.classList.contains(CLASS_NAME_DISABLED$1)) {
        return;
      }

      var isActive = this._element.classList.contains(CLASS_NAME_SHOW$1);

      Dropdown.clearMenus();

      if (isActive) {
        return;
      }

      this.show();
    };

    _proto.show = function show() {
      if (this._element.disabled || this._element.classList.contains(CLASS_NAME_DISABLED$1) || this._menu.classList.contains(CLASS_NAME_SHOW$1)) {
        return;
      }

      var parent = Dropdown.getParentFromElement(this._element);
      var relatedTarget = {
        relatedTarget: this._element
      };
      var showEvent = EventHandler.trigger(this._element, EVENT_SHOW$1, relatedTarget);

      if (showEvent.defaultPrevented) {
        return;
      } // Disable totally Popper.js for Dropdown in Navbar


      if (!this._inNavbar) {
        if (typeof Popper === 'undefined') {
          throw new TypeError('Bootstrap\'s dropdowns require Popper.js (https://popper.js.org)');
        }

        var referenceElement = this._element;

        if (this._config.reference === 'parent') {
          referenceElement = parent;
        } else if (isElement(this._config.reference)) {
          referenceElement = this._config.reference; // Check if it's jQuery element

          if (typeof this._config.reference.jquery !== 'undefined') {
            referenceElement = this._config.reference[0];
          }
        } // If boundary is not `scrollParent`, then set position to `static`
        // to allow the menu to "escape" the scroll parent's boundaries
        // https://github.com/twbs/bootstrap/issues/24251


        if (this._config.boundary !== 'scrollParent') {
          parent.classList.add(CLASS_NAME_POSITION_STATIC);
        }

        this._popper = new Popper(referenceElement, this._menu, this._getPopperConfig());
      } // If this is a touch-enabled device we add extra
      // empty mouseover listeners to the body's immediate children;
      // only needed because of broken event delegation on iOS
      // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html


      if ('ontouchstart' in document.documentElement && !parent.closest(SELECTOR_NAVBAR_NAV)) {
        var _ref;

        (_ref = []).concat.apply(_ref, document.body.children).forEach(function (elem) {
          return EventHandler.on(elem, 'mouseover', null, noop());
        });
      }

      this._element.focus();

      this._element.setAttribute('aria-expanded', true);

      Manipulator.toggleClass(this._menu, CLASS_NAME_SHOW$1);
      Manipulator.toggleClass(this._element, CLASS_NAME_SHOW$1);
      EventHandler.trigger(parent, EVENT_SHOWN$1, relatedTarget);
    };

    _proto.hide = function hide() {
      if (this._element.disabled || this._element.classList.contains(CLASS_NAME_DISABLED$1) || !this._menu.classList.contains(CLASS_NAME_SHOW$1)) {
        return;
      }

      var parent = Dropdown.getParentFromElement(this._element);
      var relatedTarget = {
        relatedTarget: this._element
      };
      var hideEvent = EventHandler.trigger(parent, EVENT_HIDE$1, relatedTarget);

      if (hideEvent.defaultPrevented) {
        return;
      }

      if (this._popper) {
        this._popper.destroy();
      }

      Manipulator.toggleClass(this._menu, CLASS_NAME_SHOW$1);
      Manipulator.toggleClass(this._element, CLASS_NAME_SHOW$1);
      EventHandler.trigger(parent, EVENT_HIDDEN$1, relatedTarget);
    };

    _proto.dispose = function dispose() {
      Data.removeData(this._element, DATA_KEY$4);
      EventHandler.off(this._element, EVENT_KEY$4);
      this._element = null;
      this._menu = null;

      if (this._popper) {
        this._popper.destroy();

        this._popper = null;
      }
    };

    _proto.update = function update() {
      this._inNavbar = this._detectNavbar();

      if (this._popper) {
        this._popper.scheduleUpdate();
      }
    } // Private
    ;

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

      EventHandler.on(this._element, EVENT_CLICK, function (event) {
        event.preventDefault();
        event.stopPropagation();

        _this.toggle();
      });
    };

    _proto._getConfig = function _getConfig(config) {
      config = _objectSpread2(_objectSpread2(_objectSpread2({}, this.constructor.Default), Manipulator.getDataAttributes(this._element)), config);
      typeCheckConfig(NAME$4, config, this.constructor.DefaultType);
      return config;
    };

    _proto._getMenuElement = function _getMenuElement() {
      return SelectorEngine.next(this._element, SELECTOR_MENU)[0];
    };

    _proto._getPlacement = function _getPlacement() {
      var parentDropdown = this._element.parentNode;
      var placement = PLACEMENT_BOTTOM; // Handle dropup

      if (parentDropdown.classList.contains(CLASS_NAME_DROPUP)) {
        placement = PLACEMENT_TOP;

        if (this._menu.classList.contains(CLASS_NAME_MENURIGHT)) {
          placement = PLACEMENT_TOPEND;
        }
      } else if (parentDropdown.classList.contains(CLASS_NAME_DROPRIGHT)) {
        placement = PLACEMENT_RIGHT;
      } else if (parentDropdown.classList.contains(CLASS_NAME_DROPLEFT)) {
        placement = PLACEMENT_LEFT;
      } else if (this._menu.classList.contains(CLASS_NAME_MENURIGHT)) {
        placement = PLACEMENT_BOTTOMEND;
      }

      return placement;
    };

    _proto._detectNavbar = function _detectNavbar() {
      return Boolean(this._element.closest("." + CLASS_NAME_NAVBAR));
    };

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

      var offset = {};

      if (typeof this._config.offset === 'function') {
        offset.fn = function (data) {
          data.offsets = _objectSpread2(_objectSpread2({}, data.offsets), _this2._config.offset(data.offsets, _this2._element) || {});
          return data;
        };
      } else {
        offset.offset = this._config.offset;
      }

      return offset;
    };

    _proto._getPopperConfig = function _getPopperConfig() {
      var popperConfig = {
        placement: this._getPlacement(),
        modifiers: {
          offset: this._getOffset(),
          flip: {
            enabled: this._config.flip
          },
          preventOverflow: {
            boundariesElement: this._config.boundary
          }
        }
      }; // Disable Popper.js if we have a static display

      if (this._config.display === 'static') {
        popperConfig.modifiers.applyStyle = {
          enabled: false
        };
      }

      return _objectSpread2(_objectSpread2({}, popperConfig), this._config.popperConfig);
    } // Static
    ;

    Dropdown.dropdownInterface = function dropdownInterface(element, config) {
      var data = Data.getData(element, DATA_KEY$4);

      var _config = typeof config === 'object' ? config : null;

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

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

        data[config]();
      }
    };

    Dropdown.jQueryInterface = function jQueryInterface(config) {
      return this.each(function () {
        Dropdown.dropdownInterface(this, config);
      });
    };

    Dropdown.clearMenus = function clearMenus(event) {
      if (event && (event.button === RIGHT_MOUSE_BUTTON || event.type === 'keyup' && event.key !== TAB_KEY)) {
        return;
      }

      var toggles = SelectorEngine.find(SELECTOR_DATA_TOGGLE$2);

      for (var i = 0, len = toggles.length; i < len; i++) {
        var parent = Dropdown.getParentFromElement(toggles[i]);
        var context = Data.getData(toggles[i], DATA_KEY$4);
        var relatedTarget = {
          relatedTarget: toggles[i]
        };

        if (event && event.type === 'click') {
          relatedTarget.clickEvent = event;
        }

        if (!context) {
          continue;
        }

        var dropdownMenu = context._menu;

        if (!toggles[i].classList.contains(CLASS_NAME_SHOW$1)) {
          continue;
        }

        if (event && (event.type === 'click' && /input|textarea/i.test(event.target.tagName) || event.type === 'keyup' && event.key === TAB_KEY) && dropdownMenu.contains(event.target)) {
          continue;
        }

        var hideEvent = EventHandler.trigger(parent, EVENT_HIDE$1, relatedTarget);

        if (hideEvent.defaultPrevented) {
          continue;
        } // If this is a touch-enabled device we remove the extra
        // empty mouseover listeners we added for iOS support


        if ('ontouchstart' in document.documentElement) {
          var _ref2;

          (_ref2 = []).concat.apply(_ref2, document.body.children).forEach(function (elem) {
            return EventHandler.off(elem, 'mouseover', null, noop());
          });
        }

        toggles[i].setAttribute('aria-expanded', 'false');

        if (context._popper) {
          context._popper.destroy();
        }

        dropdownMenu.classList.remove(CLASS_NAME_SHOW$1);
        toggles[i].classList.remove(CLASS_NAME_SHOW$1);
        EventHandler.trigger(parent, EVENT_HIDDEN$1, relatedTarget);
      }
    };

    Dropdown.getParentFromElement = function getParentFromElement(element) {
      return getElementFromSelector(element) || element.parentNode;
    };

    Dropdown.dataApiKeydownHandler = function dataApiKeydownHandler(event) {
      // If not input/textarea:
      //  - And not a key in REGEXP_KEYDOWN => not a dropdown command
      // If input/textarea:
      //  - If space key => not a dropdown command
      //  - If key is other than escape
      //    - If key is not up or down => not a dropdown command
      //    - If trigger inside the menu => not a dropdown command
      if (/input|textarea/i.test(event.target.tagName) ? event.key === SPACE_KEY || event.key !== ESCAPE_KEY && (event.key !== ARROW_DOWN_KEY && event.key !== ARROW_UP_KEY || event.target.closest(SELECTOR_MENU)) : !REGEXP_KEYDOWN.test(event.key)) {
        return;
      }

      event.preventDefault();
      event.stopPropagation();

      if (this.disabled || this.classList.contains(CLASS_NAME_DISABLED$1)) {
        return;
      }

      var parent = Dropdown.getParentFromElement(this);
      var isActive = this.classList.contains(CLASS_NAME_SHOW$1);

      if (event.key === ESCAPE_KEY) {
        var button = this.matches(SELECTOR_DATA_TOGGLE$2) ? this : SelectorEngine.prev(this, SELECTOR_DATA_TOGGLE$2)[0];
        button.focus();
        Dropdown.clearMenus();
        return;
      }

      if (!isActive || event.key === SPACE_KEY) {
        Dropdown.clearMenus();
        return;
      }

      var items = SelectorEngine.find(SELECTOR_VISIBLE_ITEMS, parent).filter(isVisible);

      if (!items.length) {
        return;
      }

      var index = items.indexOf(event.target);

      if (event.key === ARROW_UP_KEY && index > 0) {
        // Up
        index--;
      }

      if (event.key === ARROW_DOWN_KEY && index < items.length - 1) {
        // Down
        index++;
      } // index is -1 if the first keydown is an ArrowUp


      index = index === -1 ? 0 : index;
      items[index].focus();
    };

    Dropdown.getInstance = function getInstance(element) {
      return Data.getData(element, DATA_KEY$4);
    };

    _createClass(Dropdown, null, [{
      key: "VERSION",
      get: function get() {
        return VERSION$4;
      }
    }, {
      key: "Default",
      get: function get() {
        return Default$2;
      }
    }, {
      key: "DefaultType",
      get: function get() {
        return DefaultType$2;
      }
    }]);

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


  EventHandler.on(document, EVENT_KEYDOWN_DATA_API, SELECTOR_DATA_TOGGLE$2, Dropdown.dataApiKeydownHandler);
  EventHandler.on(document, EVENT_KEYDOWN_DATA_API, SELECTOR_MENU, Dropdown.dataApiKeydownHandler);
  EventHandler.on(document, EVENT_CLICK_DATA_API$4, Dropdown.clearMenus);
  EventHandler.on(document, EVENT_KEYUP_DATA_API, Dropdown.clearMenus);
  EventHandler.on(document, EVENT_CLICK_DATA_API$4, SELECTOR_DATA_TOGGLE$2, function (event) {
    event.preventDefault();
    event.stopPropagation();
    Dropdown.dropdownInterface(this, 'toggle');
  });
  EventHandler.on(document, EVENT_CLICK_DATA_API$4, SELECTOR_FORM_CHILD, function (e) {
    return e.stopPropagation();
  });
  var $$5 = getjQuery();
  /**
   * ------------------------------------------------------------------------
   * jQuery
   * ------------------------------------------------------------------------
   * add .dropdown to jQuery only if jQuery is present
   */

  /* istanbul ignore if */

  if ($$5) {
    var JQUERY_NO_CONFLICT$4 = $$5.fn[NAME$4];
    $$5.fn[NAME$4] = Dropdown.jQueryInterface;
    $$5.fn[NAME$4].Constructor = Dropdown;

    $$5.fn[NAME$4].noConflict = function () {
      $$5.fn[NAME$4] = JQUERY_NO_CONFLICT$4;
      return Dropdown.jQueryInterface;
    };
  }

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

  var NAME$5 = 'modal';
  var VERSION$5 = '5.0.0-alpha1';
  var DATA_KEY$5 = 'bs.modal';
  var EVENT_KEY$5 = "." + DATA_KEY$5;
  var DATA_API_KEY$5 = '.data-api';
  var ESCAPE_KEY$1 = 'Escape';
  var Default$3 = {
    backdrop: true,
    keyboard: true,
    focus: true,
    show: true
  };
  var DefaultType$3 = {
    backdrop: '(boolean|string)',
    keyboard: 'boolean',
    focus: 'boolean',
    show: 'boolean'
  };
  var EVENT_HIDE$2 = "hide" + EVENT_KEY$5;
  var EVENT_HIDE_PREVENTED = "hidePrevented" + EVENT_KEY$5;
  var EVENT_HIDDEN$2 = "hidden" + EVENT_KEY$5;
  var EVENT_SHOW$2 = "show" + EVENT_KEY$5;
  var EVENT_SHOWN$2 = "shown" + EVENT_KEY$5;
  var EVENT_FOCUSIN = "focusin" + EVENT_KEY$5;
  var EVENT_RESIZE = "resize" + EVENT_KEY$5;
  var EVENT_CLICK_DISMISS = "click.dismiss" + EVENT_KEY$5;
  var EVENT_KEYDOWN_DISMISS = "keydown.dismiss" + EVENT_KEY$5;
  var EVENT_MOUSEUP_DISMISS = "mouseup.dismiss" + EVENT_KEY$5;
  var EVENT_MOUSEDOWN_DISMISS = "mousedown.dismiss" + EVENT_KEY$5;
  var EVENT_CLICK_DATA_API$5 = "click" + EVENT_KEY$5 + DATA_API_KEY$5;
  var CLASS_NAME_SCROLLBAR_MEASURER = 'modal-scrollbar-measure';
  var CLASS_NAME_BACKDROP = 'modal-backdrop';
  var CLASS_NAME_OPEN = 'modal-open';
  var CLASS_NAME_FADE = 'fade';
  var CLASS_NAME_SHOW$2 = 'show';
  var CLASS_NAME_STATIC = 'modal-static';
  var SELECTOR_DIALOG = '.modal-dialog';
  var SELECTOR_MODAL_BODY = '.modal-body';
  var SELECTOR_DATA_TOGGLE$3 = '[data-toggle="modal"]';
  var SELECTOR_DATA_DISMISS = '[data-dismiss="modal"]';
  var SELECTOR_FIXED_CONTENT = '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top';
  var SELECTOR_STICKY_CONTENT = '.sticky-top';
  /**
   * ------------------------------------------------------------------------
   * Class Definition
   * ------------------------------------------------------------------------
   */

  var Modal = /*#__PURE__*/function () {
    function Modal(element, config) {
      this._config = this._getConfig(config);
      this._element = element;
      this._dialog = SelectorEngine.findOne(SELECTOR_DIALOG, element);
      this._backdrop = null;
      this._isShown = false;
      this._isBodyOverflowing = false;
      this._ignoreBackdropClick = false;
      this._isTransitioning = false;
      this._scrollbarWidth = 0;
      Data.setData(element, DATA_KEY$5, this);
    } // Getters


    var _proto = Modal.prototype;

    // Public
    _proto.toggle = function toggle(relatedTarget) {
      return this._isShown ? this.hide() : this.show(relatedTarget);
    };

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

      if (this._isShown || this._isTransitioning) {
        return;
      }

      if (this._element.classList.contains(CLASS_NAME_FADE)) {
        this._isTransitioning = true;
      }

      var showEvent = EventHandler.trigger(this._element, EVENT_SHOW$2, {
        relatedTarget: relatedTarget
      });

      if (this._isShown || showEvent.defaultPrevented) {
        return;
      }

      this._isShown = true;

      this._checkScrollbar();

      this._setScrollbar();

      this._adjustDialog();

      this._setEscapeEvent();

      this._setResizeEvent();

      EventHandler.on(this._element, EVENT_CLICK_DISMISS, SELECTOR_DATA_DISMISS, function (event) {
        return _this.hide(event);
      });
      EventHandler.on(this._dialog, EVENT_MOUSEDOWN_DISMISS, function () {
        EventHandler.one(_this._element, EVENT_MOUSEUP_DISMISS, function (event) {
          if (event.target === _this._element) {
            _this._ignoreBackdropClick = true;
          }
        });
      });

      this._showBackdrop(function () {
        return _this._showElement(relatedTarget);
      });
    };

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

      if (event) {
        event.preventDefault();
      }

      if (!this._isShown || this._isTransitioning) {
        return;
      }

      var hideEvent = EventHandler.trigger(this._element, EVENT_HIDE$2);

      if (hideEvent.defaultPrevented) {
        return;
      }

      this._isShown = false;

      var transition = this._element.classList.contains(CLASS_NAME_FADE);

      if (transition) {
        this._isTransitioning = true;
      }

      this._setEscapeEvent();

      this._setResizeEvent();

      EventHandler.off(document, EVENT_FOCUSIN);

      this._element.classList.remove(CLASS_NAME_SHOW$2);

      EventHandler.off(this._element, EVENT_CLICK_DISMISS);
      EventHandler.off(this._dialog, EVENT_MOUSEDOWN_DISMISS);

      if (transition) {
        var transitionDuration = getTransitionDurationFromElement(this._element);
        EventHandler.one(this._element, TRANSITION_END, function (event) {
          return _this2._hideModal(event);
        });
        emulateTransitionEnd(this._element, transitionDuration);
      } else {
        this._hideModal();
      }
    };

    _proto.dispose = function dispose() {
      [window, this._element, this._dialog].forEach(function (htmlElement) {
        return EventHandler.off(htmlElement, EVENT_KEY$5);
      });
      /**
       * `document` has 2 events `EVENT_FOCUSIN` and `EVENT_CLICK_DATA_API`
       * Do not move `document` in `htmlElements` array
       * It will remove `EVENT_CLICK_DATA_API` event that should remain
       */

      EventHandler.off(document, EVENT_FOCUSIN);
      Data.removeData(this._element, DATA_KEY$5);
      this._config = null;
      this._element = null;
      this._dialog = null;
      this._backdrop = null;
      this._isShown = null;
      this._isBodyOverflowing = null;
      this._ignoreBackdropClick = null;
      this._isTransitioning = null;
      this._scrollbarWidth = null;
    };

    _proto.handleUpdate = function handleUpdate() {
      this._adjustDialog();
    } // Private
    ;

    _proto._getConfig = function _getConfig(config) {
      config = _objectSpread2(_objectSpread2({}, Default$3), config);
      typeCheckConfig(NAME$5, config, DefaultType$3);
      return config;
    };

    _proto._showElement = function _showElement(relatedTarget) {
      var _this3 = this;

      var transition = this._element.classList.contains(CLASS_NAME_FADE);

      var modalBody = SelectorEngine.findOne(SELECTOR_MODAL_BODY, this._dialog);

      if (!this._element.parentNode || this._element.parentNode.nodeType !== Node.ELEMENT_NODE) {
        // Don't move modal's DOM position
        document.body.appendChild(this._element);
      }

      this._element.style.display = 'block';

      this._element.removeAttribute('aria-hidden');

      this._element.setAttribute('aria-modal', true);

      this._element.scrollTop = 0;

      if (modalBody) {
        modalBody.scrollTop = 0;
      }

      if (transition) {
        reflow(this._element);
      }

      this._element.classList.add(CLASS_NAME_SHOW$2);

      if (this._config.focus) {
        this._enforceFocus();
      }

      var transitionComplete = function transitionComplete() {
        if (_this3._config.focus) {
          _this3._element.focus();
        }

        _this3._isTransitioning = false;
        EventHandler.trigger(_this3._element, EVENT_SHOWN$2, {
          relatedTarget: relatedTarget
        });
      };

      if (transition) {
        var transitionDuration = getTransitionDurationFromElement(this._dialog);
        EventHandler.one(this._dialog, TRANSITION_END, transitionComplete);
        emulateTransitionEnd(this._dialog, transitionDuration);
      } else {
        transitionComplete();
      }
    };

    _proto._enforceFocus = function _enforceFocus() {
      var _this4 = this;

      EventHandler.off(document, EVENT_FOCUSIN); // guard against infinite focus loop

      EventHandler.on(document, EVENT_FOCUSIN, function (event) {
        if (document !== event.target && _this4._element !== event.target && !_this4._element.contains(event.target)) {
          _this4._element.focus();
        }
      });
    };

    _proto._setEscapeEvent = function _setEscapeEvent() {
      var _this5 = this;

      if (this._isShown) {
        EventHandler.on(this._element, EVENT_KEYDOWN_DISMISS, function (event) {
          if (_this5._config.keyboard && event.key === ESCAPE_KEY$1) {
            event.preventDefault();

            _this5.hide();
          } else if (!_this5._config.keyboard && event.key === ESCAPE_KEY$1) {
            _this5._triggerBackdropTransition();
          }
        });
      } else {
        EventHandler.off(this._element, EVENT_KEYDOWN_DISMISS);
      }
    };

    _proto._setResizeEvent = function _setResizeEvent() {
      var _this6 = this;

      if (this._isShown) {
        EventHandler.on(window, EVENT_RESIZE, function () {
          return _this6._adjustDialog();
        });
      } else {
        EventHandler.off(window, EVENT_RESIZE);
      }
    };

    _proto._hideModal = function _hideModal() {
      var _this7 = this;

      this._element.style.display = 'none';

      this._element.setAttribute('aria-hidden', true);

      this._element.removeAttribute('aria-modal');

      this._isTransitioning = false;

      this._showBackdrop(function () {
        document.body.classList.remove(CLASS_NAME_OPEN);

        _this7._resetAdjustments();

        _this7._resetScrollbar();

        EventHandler.trigger(_this7._element, EVENT_HIDDEN$2);
      });
    };

    _proto._removeBackdrop = function _removeBackdrop() {
      this._backdrop.parentNode.removeChild(this._backdrop);

      this._backdrop = null;