update to bootstrap 5.2 and fixes

1 files changed, 101 insertions, 317 deletions

diff --git a/vendor/twbs/bootstrap/js/dist/dropdown.js b/vendor/twbs/bootstrap/js/dist/dropdown.js
index 1ac223fa8..b733d4898 100644
--- a/vendor/twbs/bootstrap/js/dist/dropdown.js
+++ b/vendor/twbs/bootstrap/js/dist/dropdown.js
@@ -1,19 +1,19 @@
 /*!
-  * Bootstrap dropdown.js v5.1.3 (https://getbootstrap.com/)
-  * Copyright 2011-2021 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
+  * Bootstrap dropdown.js v5.2.0 (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('@popperjs/core'), require('./dom/event-handler.js'), require('./dom/manipulator.js'), require('./dom/selector-engine.js'), require('./base-component.js')) :
-  typeof define === 'function' && define.amd ? define(['@popperjs/core', './dom/event-handler', './dom/manipulator', './dom/selector-engine', './base-component'], factory) :
-  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Dropdown = factory(global.Popper, global.EventHandler, global.Manipulator, global.SelectorEngine, global.Base));
-})(this, (function (Popper, EventHandler, Manipulator, SelectorEngine, BaseComponent) { 'use strict';
+  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('@popperjs/core'), require('./util/index'), require('./dom/event-handler'), require('./dom/manipulator'), require('./dom/selector-engine'), require('./base-component')) :
+  typeof define === 'function' && define.amd ? define(['@popperjs/core', './util/index', './dom/event-handler', './dom/manipulator', './dom/selector-engine', './base-component'], factory) :
+  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Dropdown = factory(global["@popperjs/core"], global.Index, global.EventHandler, global.Manipulator, global.SelectorEngine, global.BaseComponent));
+})(this, (function (Popper, index, EventHandler, Manipulator, SelectorEngine, BaseComponent) { 'use strict';
 
   const _interopDefaultLegacy = e => e && typeof e === 'object' && 'default' in e ? e : { default: e };
 
   function _interopNamespace(e) {
     if (e && e.__esModule) return e;
-    const n = Object.create(null);
+    const n = Object.create(null, { [Symbol.toStringTag]: { value: 'Module' } });
     if (e) {
       for (const k in e) {
         if (k !== 'default') {
@@ -37,198 +37,12 @@
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.1.3): util/index.js
+   * Bootstrap (v5.2.0): dropdown.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
-
-  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 getElementFromSelector = element => {
-    const selector = getSelector(element);
-    return selector ? document.querySelector(selector) : null;
-  };
-
-  const isElement = obj => {
-    if (!obj || typeof obj !== 'object') {
-      return false;
-    }
-
-    if (typeof obj.jquery !== 'undefined') {
-      obj = obj[0];
-    }
-
-    return typeof obj.nodeType !== 'undefined';
-  };
-
-  const getElement = obj => {
-    if (isElement(obj)) {
-      // it's a jQuery object or a node element
-      return obj.jquery ? obj[0] : obj;
-    }
-
-    if (typeof obj === 'string' && obj.length > 0) {
-      return document.querySelector(obj);
-    }
-
-    return null;
-  };
-
-  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 isVisible = element => {
-    if (!isElement(element) || element.getClientRects().length === 0) {
-      return false;
-    }
-
-    return getComputedStyle(element).getPropertyValue('visibility') === 'visible';
-  };
-
-  const isDisabled = element => {
-    if (!element || element.nodeType !== Node.ELEMENT_NODE) {
-      return true;
-    }
-
-    if (element.classList.contains('disabled')) {
-      return true;
-    }
-
-    if (typeof element.disabled !== 'undefined') {
-      return element.disabled;
-    }
-
-    return element.hasAttribute('disabled') && element.getAttribute('disabled') !== 'false';
-  };
-
-  const noop = () => {};
-
-  const getjQuery = () => {
-    const {
-      jQuery
-    } = window;
-
-    if (jQuery && !document.body.hasAttribute('data-bs-no-jquery')) {
-      return jQuery;
-    }
-
-    return null;
-  };
-
-  const DOMContentLoadedCallbacks = [];
-
-  const onDOMContentLoaded = callback => {
-    if (document.readyState === 'loading') {
-      // add listener on the first call when the document is in loading state
-      if (!DOMContentLoadedCallbacks.length) {
-        document.addEventListener('DOMContentLoaded', () => {
-          DOMContentLoadedCallbacks.forEach(callback => callback());
-        });
-      }
-
-      DOMContentLoadedCallbacks.push(callback);
-    } else {
-      callback();
-    }
-  };
-
-  const isRTL = () => document.documentElement.dir === 'rtl';
-
-  const defineJQueryPlugin = plugin => {
-    onDOMContentLoaded(() => {
-      const $ = getjQuery();
-      /* istanbul ignore if */
-
-      if ($) {
-        const name = plugin.NAME;
-        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;
-        };
-      }
-    });
-  };
-  /**
-   * Return the previous/next element of a list.
-   *
-   * @param {array} list    The list of elements
-   * @param activeElement   The active element
-   * @param shouldGetNext   Choose to get next or previous element
-   * @param isCycleAllowed
-   * @return {Element|elem} The proper element
-   */
-
-
-  const getNextActiveElement = (list, activeElement, shouldGetNext, isCycleAllowed) => {
-    let index = list.indexOf(activeElement); // if the element does not exist in the list return an element depending on the direction and if cycle is allowed
-
-    if (index === -1) {
-      return list[!shouldGetNext && isCycleAllowed ? list.length - 1 : 0];
-    }
-
-    const listLength = list.length;
-    index += shouldGetNext ? 1 : -1;
-
-    if (isCycleAllowed) {
-      index = (index + listLength) % listLength;
-    }
-
-    return list[Math.max(0, Math.min(index, listLength - 1))];
-  };
-
   /**
-   * --------------------------------------------------------------------------
-   * Bootstrap (v5.1.3): dropdown.js
-   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
-   * --------------------------------------------------------------------------
-   */
-  /**
-   * ------------------------------------------------------------------------
    * Constants
-   * ------------------------------------------------------------------------
    */
 
   const NAME = 'dropdown';
@@ -236,13 +50,11 @@
   const EVENT_KEY = `.${DATA_KEY}`;
   const DATA_API_KEY = '.data-api';
   const ESCAPE_KEY = 'Escape';
-  const SPACE_KEY = 'Space';
   const TAB_KEY = 'Tab';
   const ARROW_UP_KEY = 'ArrowUp';
   const ARROW_DOWN_KEY = 'ArrowDown';
   const RIGHT_MOUSE_BUTTON = 2; // MouseEvent.button value for the secondary button, usually the right button
 
-  const REGEXP_KEYDOWN = new RegExp(`${ARROW_UP_KEY}|${ARROW_DOWN_KEY}|${ESCAPE_KEY}`);
   const EVENT_HIDE = `hide${EVENT_KEY}`;
   const EVENT_HIDDEN = `hidden${EVENT_KEY}`;
   const EVENT_SHOW = `show${EVENT_KEY}`;
@@ -254,45 +66,49 @@
   const CLASS_NAME_DROPUP = 'dropup';
   const CLASS_NAME_DROPEND = 'dropend';
   const CLASS_NAME_DROPSTART = 'dropstart';
-  const CLASS_NAME_NAVBAR = 'navbar';
-  const SELECTOR_DATA_TOGGLE = '[data-bs-toggle="dropdown"]';
+  const CLASS_NAME_DROPUP_CENTER = 'dropup-center';
+  const CLASS_NAME_DROPDOWN_CENTER = 'dropdown-center';
+  const SELECTOR_DATA_TOGGLE = '[data-bs-toggle="dropdown"]:not(.disabled):not(:disabled)';
+  const SELECTOR_DATA_TOGGLE_SHOWN = `${SELECTOR_DATA_TOGGLE}.${CLASS_NAME_SHOW}`;
   const SELECTOR_MENU = '.dropdown-menu';
+  const SELECTOR_NAVBAR = '.navbar';
   const SELECTOR_NAVBAR_NAV = '.navbar-nav';
   const SELECTOR_VISIBLE_ITEMS = '.dropdown-menu .dropdown-item:not(.disabled):not(:disabled)';
-  const PLACEMENT_TOP = isRTL() ? 'top-end' : 'top-start';
-  const PLACEMENT_TOPEND = isRTL() ? 'top-start' : 'top-end';
-  const PLACEMENT_BOTTOM = isRTL() ? 'bottom-end' : 'bottom-start';
-  const PLACEMENT_BOTTOMEND = isRTL() ? 'bottom-start' : 'bottom-end';
-  const PLACEMENT_RIGHT = isRTL() ? 'left-start' : 'right-start';
-  const PLACEMENT_LEFT = isRTL() ? 'right-start' : 'left-start';
+  const PLACEMENT_TOP = index.isRTL() ? 'top-end' : 'top-start';
+  const PLACEMENT_TOPEND = index.isRTL() ? 'top-start' : 'top-end';
+  const PLACEMENT_BOTTOM = index.isRTL() ? 'bottom-end' : 'bottom-start';
+  const PLACEMENT_BOTTOMEND = index.isRTL() ? 'bottom-start' : 'bottom-end';
+  const PLACEMENT_RIGHT = index.isRTL() ? 'left-start' : 'right-start';
+  const PLACEMENT_LEFT = index.isRTL() ? 'right-start' : 'left-start';
+  const PLACEMENT_TOPCENTER = 'top';
+  const PLACEMENT_BOTTOMCENTER = 'bottom';
   const Default = {
-    offset: [0, 2],
+    autoClose: true,
     boundary: 'clippingParents',
-    reference: 'toggle',
     display: 'dynamic',
+    offset: [0, 2],
     popperConfig: null,
-    autoClose: true
+    reference: 'toggle'
   };
   const DefaultType = {
-    offset: '(array|string|function)',
+    autoClose: '(boolean|string)',
     boundary: '(string|element)',
-    reference: '(string|element|object)',
     display: 'string',
+    offset: '(array|string|function)',
     popperConfig: '(null|object|function)',
-    autoClose: '(boolean|string)'
+    reference: '(string|element|object)'
   };
   /**
-   * ------------------------------------------------------------------------
-   * Class Definition
-   * ------------------------------------------------------------------------
+   * Class definition
    */
 
   class Dropdown extends BaseComponent__default.default {
     constructor(element, config) {
-      super(element);
+      super(element, config);
       this._popper = null;
-      this._config = this._getConfig(config);
-      this._menu = this._getMenuElement();
+      this._parent = this._element.parentNode; // dropdown wrapper
+
+      this._menu = SelectorEngine__default.default.findOne(SELECTOR_MENU, this._parent);
       this._inNavbar = this._detectNavbar();
     } // Getters
 
@@ -315,7 +131,7 @@
     }
 
     show() {
-      if (isDisabled(this._element) || this._isShown(this._menu)) {
+      if (index.isDisabled(this._element) || this._isShown()) {
         return;
       }
 
@@ -328,20 +144,16 @@
         return;
       }
 
-      const parent = Dropdown.getParentFromElement(this._element); // Totally disable Popper for Dropdowns in Navbar
-
-      if (this._inNavbar) {
-        Manipulator__default.default.setDataAttribute(this._menu, 'popper', 'none');
-      } else {
-        this._createPopper(parent);
-      } // If this is a touch-enabled device we add extra
+      this._createPopper(); // 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)) {
-        [].concat(...document.body.children).forEach(elem => EventHandler__default.default.on(elem, 'mouseover', noop));
+      if ('ontouchstart' in document.documentElement && !this._parent.closest(SELECTOR_NAVBAR_NAV)) {
+        for (const element of [].concat(...document.body.children)) {
+          EventHandler__default.default.on(element, 'mouseover', index.noop);
+        }
       }
 
       this._element.focus();
@@ -356,7 +168,7 @@
     }
 
     hide() {
-      if (isDisabled(this._element) || !this._isShown(this._menu)) {
+      if (index.isDisabled(this._element) || !this._isShown()) {
         return;
       }
 
@@ -394,7 +206,9 @@
 
 
       if ('ontouchstart' in document.documentElement) {
-        [].concat(...document.body.children).forEach(elem => EventHandler__default.default.off(elem, 'mouseover', noop));
+        for (const element of [].concat(...document.body.children)) {
+          EventHandler__default.default.off(element, 'mouseover', index.noop);
+        }
       }
 
       if (this._popper) {
@@ -412,13 +226,9 @@
     }
 
     _getConfig(config) {
-      config = { ...this.constructor.Default,
-        ...Manipulator__default.default.getDataAttributes(this._element),
-        ...config
-      };
-      typeCheckConfig(NAME, config, this.constructor.DefaultType);
+      config = super._getConfig(config);
 
-      if (typeof config.reference === 'object' && !isElement(config.reference) && typeof config.reference.getBoundingClientRect !== 'function') {
+      if (typeof config.reference === 'object' && !index.isElement(config.reference) && typeof config.reference.getBoundingClientRect !== 'function') {
         // Popper virtual elements require a getBoundingClientRect method
         throw new TypeError(`${NAME.toUpperCase()}: Option "reference" provided type "object" without a required "getBoundingClientRect" method.`);
       }
@@ -426,7 +236,7 @@
       return config;
     }
 
-    _createPopper(parent) {
+    _createPopper() {
       if (typeof Popper__namespace === 'undefined') {
         throw new TypeError('Bootstrap\'s dropdowns require Popper (https://popper.js.org)');
       }
@@ -434,33 +244,24 @@
       let referenceElement = this._element;
 
       if (this._config.reference === 'parent') {
-        referenceElement = parent;
-      } else if (isElement(this._config.reference)) {
-        referenceElement = getElement(this._config.reference);
+        referenceElement = this._parent;
+      } else if (index.isElement(this._config.reference)) {
+        referenceElement = index.getElement(this._config.reference);
       } else if (typeof this._config.reference === 'object') {
         referenceElement = this._config.reference;
       }
 
       const popperConfig = this._getPopperConfig();
 
-      const isDisplayStatic = popperConfig.modifiers.find(modifier => modifier.name === 'applyStyles' && modifier.enabled === false);
       this._popper = Popper__namespace.createPopper(referenceElement, this._menu, popperConfig);
-
-      if (isDisplayStatic) {
-        Manipulator__default.default.setDataAttribute(this._menu, 'popper', 'static');
-      }
     }
 
-    _isShown(element = this._element) {
-      return element.classList.contains(CLASS_NAME_SHOW);
-    }
-
-    _getMenuElement() {
-      return SelectorEngine__default.default.next(this._element, SELECTOR_MENU)[0];
+    _isShown() {
+      return this._menu.classList.contains(CLASS_NAME_SHOW);
     }
 
     _getPlacement() {
-      const parentDropdown = this._element.parentNode;
+      const parentDropdown = this._parent;
 
       if (parentDropdown.classList.contains(CLASS_NAME_DROPEND)) {
         return PLACEMENT_RIGHT;
@@ -468,6 +269,14 @@
 
       if (parentDropdown.classList.contains(CLASS_NAME_DROPSTART)) {
         return PLACEMENT_LEFT;
+      }
+
+      if (parentDropdown.classList.contains(CLASS_NAME_DROPUP_CENTER)) {
+        return PLACEMENT_TOPCENTER;
+      }
+
+      if (parentDropdown.classList.contains(CLASS_NAME_DROPDOWN_CENTER)) {
+        return PLACEMENT_BOTTOMCENTER;
       } // We need to trim the value because custom properties can also include spaces
 
 
@@ -481,7 +290,7 @@
     }
 
     _detectNavbar() {
-      return this._element.closest(`.${CLASS_NAME_NAVBAR}`) !== null;
+      return this._element.closest(SELECTOR_NAVBAR) !== null;
     }
 
     _getOffset() {
@@ -490,7 +299,7 @@
       } = this._config;
 
       if (typeof offset === 'string') {
-        return offset.split(',').map(val => Number.parseInt(val, 10));
+        return offset.split(',').map(value => Number.parseInt(value, 10));
       }
 
       if (typeof offset === 'function') {
@@ -514,9 +323,11 @@
             offset: this._getOffset()
           }
         }]
-      }; // Disable Popper if we have a static display
+      }; // Disable Popper if we have a static display or Dropdown is in Navbar
+
+      if (this._inNavbar || this._config.display === 'static') {
+        Manipulator__default.default.setDataAttribute(this._menu, 'popper', 'static'); // todo:v6 remove
 
-      if (this._config.display === 'static') {
         defaultBsPopperConfig.modifiers = [{
           name: 'applyStyles',
           enabled: false
@@ -532,7 +343,7 @@
       key,
       target
     }) {
-      const items = SelectorEngine__default.default.find(SELECTOR_VISIBLE_ITEMS, this._menu).filter(isVisible);
+      const items = SelectorEngine__default.default.find(SELECTOR_VISIBLE_ITEMS, this._menu).filter(element => index.isVisible(element));
 
       if (!items.length) {
         return;
@@ -540,7 +351,7 @@
       // allow cycling to get the last item in case key equals ARROW_UP_KEY
 
 
-      getNextActiveElement(items, target, key === ARROW_DOWN_KEY, !items.includes(target)).focus();
+      index.getNextActiveElement(items, target, key === ARROW_DOWN_KEY, !items.includes(target)).focus();
     } // Static
 
 
@@ -561,20 +372,28 @@
     }
 
     static clearMenus(event) {
-      if (event && (event.button === RIGHT_MOUSE_BUTTON || event.type === 'keyup' && event.key !== TAB_KEY)) {
+      if (event.button === RIGHT_MOUSE_BUTTON || event.type === 'keyup' && event.key !== TAB_KEY) {
         return;
       }
 
-      const toggles = SelectorEngine__default.default.find(SELECTOR_DATA_TOGGLE);
+      const openToggles = SelectorEngine__default.default.find(SELECTOR_DATA_TOGGLE_SHOWN);
 
-      for (let i = 0, len = toggles.length; i < len; i++) {
-        const context = Dropdown.getInstance(toggles[i]);
+      for (const toggle of openToggles) {
+        const context = Dropdown.getInstance(toggle);
 
         if (!context || context._config.autoClose === false) {
           continue;
         }
 
-        if (!context._isShown()) {
+        const composedPath = event.composedPath();
+        const isMenuTarget = composedPath.includes(context._menu);
+
+        if (composedPath.includes(context._element) || context._config.autoClose === 'inside' && !isMenuTarget || context._config.autoClose === 'outside' && isMenuTarget) {
+          continue;
+        } // Tab navigation through the dropdown menu or events from contained inputs shouldn't close the menu
+
+
+        if (context._menu.contains(event.target) && (event.type === 'keyup' && event.key === TAB_KEY || /input|select|option|textarea|form/i.test(event.target.tagName))) {
           continue;
         }
 
@@ -582,85 +401,53 @@
           relatedTarget: context._element
         };
 
-        if (event) {
-          const composedPath = event.composedPath();
-          const isMenuTarget = composedPath.includes(context._menu);
-
-          if (composedPath.includes(context._element) || context._config.autoClose === 'inside' && !isMenuTarget || context._config.autoClose === 'outside' && isMenuTarget) {
-            continue;
-          } // Tab navigation through the dropdown menu or events from contained inputs shouldn't close the menu
-
-
-          if (context._menu.contains(event.target) && (event.type === 'keyup' && event.key === TAB_KEY || /input|select|option|textarea|form/i.test(event.target.tagName))) {
-            continue;
-          }
-
-          if (event.type === 'click') {
-            relatedTarget.clickEvent = event;
-          }
+        if (event.type === 'click') {
+          relatedTarget.clickEvent = event;
         }
 
         context._completeHide(relatedTarget);
       }
     }
 
-    static getParentFromElement(element) {
-      return getElementFromSelector(element) || element.parentNode;
-    }
-
     static 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;
-      }
-
-      const isActive = this.classList.contains(CLASS_NAME_SHOW);
+      // If not an UP | DOWN | ESCAPE key => not a dropdown command
+      // If input/textarea && if key is other than ESCAPE => not a dropdown command
+      const isInput = /input|textarea/i.test(event.target.tagName);
+      const isEscapeEvent = event.key === ESCAPE_KEY;
+      const isUpOrDownEvent = [ARROW_UP_KEY, ARROW_DOWN_KEY].includes(event.key);
 
-      if (!isActive && event.key === ESCAPE_KEY) {
+      if (!isUpOrDownEvent && !isEscapeEvent) {
         return;
       }
 
-      event.preventDefault();
-      event.stopPropagation();
-
-      if (isDisabled(this)) {
+      if (isInput && !isEscapeEvent) {
         return;
       }
 
-      const getToggleButton = this.matches(SELECTOR_DATA_TOGGLE) ? this : SelectorEngine__default.default.prev(this, SELECTOR_DATA_TOGGLE)[0];
+      event.preventDefault();
+      const getToggleButton = SelectorEngine__default.default.findOne(SELECTOR_DATA_TOGGLE, event.delegateTarget.parentNode);
       const instance = Dropdown.getOrCreateInstance(getToggleButton);
 
-      if (event.key === ESCAPE_KEY) {
-        instance.hide();
-        return;
-      }
-
-      if (event.key === ARROW_UP_KEY || event.key === ARROW_DOWN_KEY) {
-        if (!isActive) {
-          instance.show();
-        }
+      if (isUpOrDownEvent) {
+        event.stopPropagation();
+        instance.show();
 
         instance._selectMenuItem(event);
 
         return;
       }
 
-      if (!isActive || event.key === SPACE_KEY) {
-        Dropdown.clearMenus();
+      if (instance._isShown()) {
+        // else is escape and we check if it is shown
+        event.stopPropagation();
+        instance.hide();
+        getToggleButton.focus();
       }
     }
 
   }
   /**
-   * ------------------------------------------------------------------------
-   * Data Api implementation
-   * ------------------------------------------------------------------------
+   * Data API implementation
    */
 
 
@@ -673,13 +460,10 @@
     Dropdown.getOrCreateInstance(this).toggle();
   });
   /**
-   * ------------------------------------------------------------------------
    * jQuery
-   * ------------------------------------------------------------------------
-   * add .Dropdown to jQuery only if jQuery is present
    */
 
-  defineJQueryPlugin(Dropdown);
+  index.defineJQueryPlugin(Dropdown);
 
   return Dropdown;