update to bootstrap 5.0.2

1 files changed, 332 insertions, 311 deletions

diff --git a/vendor/twbs/bootstrap/dist/js/bootstrap.js b/vendor/twbs/bootstrap/dist/js/bootstrap.js
index ec15092b7..200fd9631 100644
--- a/vendor/twbs/bootstrap/dist/js/bootstrap.js
+++ b/vendor/twbs/bootstrap/dist/js/bootstrap.js
@@ -1,5 +1,5 @@
 /*!
-  * Bootstrap v5.0.1 (https://getbootstrap.com/)
+  * Bootstrap v5.0.2 (https://getbootstrap.com/)
   * Copyright 2011-2021 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
   */
@@ -33,7 +33,7 @@
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): dom/selector-engine.js
+   * Bootstrap (v5.0.2): dom/selector-engine.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
@@ -104,7 +104,7 @@
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): util/index.js
+   * Bootstrap (v5.0.2): util/index.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
@@ -226,24 +226,6 @@
     return null;
   };
 
-  const emulateTransitionEnd = (element, duration) => {
-    let called = false;
-    const durationPadding = 5;
-    const emulatedDuration = duration + durationPadding;
-
-    function listener() {
-      called = true;
-      element.removeEventListener(TRANSITION_END, listener);
-    }
-
-    element.addEventListener(TRANSITION_END, listener);
-    setTimeout(() => {
-      if (!called) {
-        triggerTransitionEnd(element);
-      }
-    }, emulatedDuration);
-  };
-
   const typeCheckConfig = (componentName, config, configTypes) => {
     Object.keys(configTypes).forEach(property => {
       const expectedTypes = configTypes[property];
@@ -257,17 +239,11 @@
   };
 
   const isVisible = element => {
-    if (!element) {
+    if (!isElement(element) || element.getClientRects().length === 0) {
       return false;
     }
 
-    if (element.style && element.parentNode && element.parentNode.style) {
-      const elementStyle = getComputedStyle(element);
-      const parentNodeStyle = getComputedStyle(element.parentNode);
-      return elementStyle.display !== 'none' && parentNodeStyle.display !== 'none' && elementStyle.visibility !== 'hidden';
-    }
-
-    return false;
+    return getComputedStyle(element).getPropertyValue('visibility') === 'visible';
   };
 
   const isDisabled = element => {
@@ -325,9 +301,18 @@
     return null;
   };
 
+  const DOMContentLoadedCallbacks = [];
+
   const onDOMContentLoaded = callback => {
     if (document.readyState === 'loading') {
-      document.addEventListener('DOMContentLoaded', callback);
+      // 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();
     }
@@ -360,63 +345,66 @@
     }
   };
 
-  /**
-   * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): dom/data.js
-   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
-   * --------------------------------------------------------------------------
-   */
-
-  /**
-   * ------------------------------------------------------------------------
-   * Constants
-   * ------------------------------------------------------------------------
-   */
-  const elementMap = new Map();
-  var Data = {
-    set(element, key, instance) {
-      if (!elementMap.has(element)) {
-        elementMap.set(element, new Map());
-      }
+  const executeAfterTransition = (callback, transitionElement, waitForTransition = true) => {
+    if (!waitForTransition) {
+      execute(callback);
+      return;
+    }
 
-      const instanceMap = elementMap.get(element); // make it clear we only want one instance per element
-      // can be removed later when multiple key/instances are fine to be used
+    const durationPadding = 5;
+    const emulatedDuration = getTransitionDurationFromElement(transitionElement) + durationPadding;
+    let called = false;
 
-      if (!instanceMap.has(key) && instanceMap.size !== 0) {
-        // eslint-disable-next-line no-console
-        console.error(`Bootstrap doesn't allow more than one instance per element. Bound instance: ${Array.from(instanceMap.keys())[0]}.`);
+    const handler = ({
+      target
+    }) => {
+      if (target !== transitionElement) {
         return;
       }
 
-      instanceMap.set(key, instance);
-    },
+      called = true;
+      transitionElement.removeEventListener(TRANSITION_END, handler);
+      execute(callback);
+    };
 
-    get(element, key) {
-      if (elementMap.has(element)) {
-        return elementMap.get(element).get(key) || null;
+    transitionElement.addEventListener(TRANSITION_END, handler);
+    setTimeout(() => {
+      if (!called) {
+        triggerTransitionEnd(transitionElement);
       }
+    }, emulatedDuration);
+  };
+  /**
+   * 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
+   */
 
-      return null;
-    },
 
-    remove(element, key) {
-      if (!elementMap.has(element)) {
-        return;
-      }
+  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
 
-      const instanceMap = elementMap.get(element);
-      instanceMap.delete(key); // free up element references if there are no instances left for an element
+    if (index === -1) {
+      return list[!shouldGetNext && isCycleAllowed ? list.length - 1 : 0];
+    }
 
-      if (instanceMap.size === 0) {
-        elementMap.delete(element);
-      }
+    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 (v5.0.1): dom/event-handler.js
+   * Bootstrap (v5.0.2): dom/event-handler.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
@@ -705,17 +693,71 @@
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): base-component.js
+   * Bootstrap (v5.0.2): dom/data.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
+
   /**
    * ------------------------------------------------------------------------
    * Constants
    * ------------------------------------------------------------------------
    */
+  const elementMap = new Map();
+  var Data = {
+    set(element, key, instance) {
+      if (!elementMap.has(element)) {
+        elementMap.set(element, new Map());
+      }
+
+      const instanceMap = elementMap.get(element); // make it clear we only want one instance per element
+      // can be removed later when multiple key/instances are fine to be used
 
-  const VERSION = '5.0.1';
+      if (!instanceMap.has(key) && instanceMap.size !== 0) {
+        // eslint-disable-next-line no-console
+        console.error(`Bootstrap doesn't allow more than one instance per element. Bound instance: ${Array.from(instanceMap.keys())[0]}.`);
+        return;
+      }
+
+      instanceMap.set(key, instance);
+    },
+
+    get(element, key) {
+      if (elementMap.has(element)) {
+        return elementMap.get(element).get(key) || null;
+      }
+
+      return null;
+    },
+
+    remove(element, key) {
+      if (!elementMap.has(element)) {
+        return;
+      }
+
+      const instanceMap = elementMap.get(element);
+      instanceMap.delete(key); // free up element references if there are no instances left for an element
+
+      if (instanceMap.size === 0) {
+        elementMap.delete(element);
+      }
+    }
+
+  };
+
+  /**
+   * --------------------------------------------------------------------------
+   * Bootstrap (v5.0.2): base-component.js
+   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+   * --------------------------------------------------------------------------
+   */
+  /**
+   * ------------------------------------------------------------------------
+   * Constants
+   * ------------------------------------------------------------------------
+   */
+
+  const VERSION = '5.0.2';
 
   class BaseComponent {
     constructor(element) {
@@ -738,14 +780,7 @@
     }
 
     _queueCallback(callback, element, isAnimated = true) {
-      if (!isAnimated) {
-        execute(callback);
-        return;
-      }
-
-      const transitionDuration = getTransitionDurationFromElement(element);
-      EventHandler.one(element, 'transitionend', () => execute(callback));
-      emulateTransitionEnd(element, transitionDuration);
+      executeAfterTransition(callback, element, isAnimated);
     }
     /** Static */
 
@@ -754,6 +789,10 @@
       return Data.get(element, this.DATA_KEY);
     }
 
+    static getOrCreateInstance(element, config = {}) {
+      return this.getInstance(element) || new this(element, typeof config === 'object' ? config : null);
+    }
+
     static get VERSION() {
       return VERSION;
     }
@@ -774,7 +813,7 @@
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): alert.js
+   * Bootstrap (v5.0.2): alert.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
@@ -837,21 +876,14 @@
     }
 
     _destroyElement(element) {
-      if (element.parentNode) {
-        element.parentNode.removeChild(element);
-      }
-
+      element.remove();
       EventHandler.trigger(element, EVENT_CLOSED);
     } // Static
 
 
     static jQueryInterface(config) {
       return this.each(function () {
-        let data = Data.get(this, DATA_KEY$b);
-
-        if (!data) {
-          data = new Alert(this);
-        }
+        const data = Alert.getOrCreateInstance(this);
 
         if (config === 'close') {
           data[config](this);
@@ -889,7 +921,7 @@
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): button.js
+   * Bootstrap (v5.0.2): button.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
@@ -927,11 +959,7 @@
 
     static jQueryInterface(config) {
       return this.each(function () {
-        let data = Data.get(this, DATA_KEY$a);
-
-        if (!data) {
-          data = new Button(this);
-        }
+        const data = Button.getOrCreateInstance(this);
 
         if (config === 'toggle') {
           data[config]();
@@ -950,12 +978,7 @@
   EventHandler.on(document, EVENT_CLICK_DATA_API$6, SELECTOR_DATA_TOGGLE$5, event => {
     event.preventDefault();
     const button = event.target.closest(SELECTOR_DATA_TOGGLE$5);
-    let data = Data.get(button, DATA_KEY$a);
-
-    if (!data) {
-      data = new Button(button);
-    }
-
+    const data = Button.getOrCreateInstance(button);
     data.toggle();
   });
   /**
@@ -969,7 +992,7 @@
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): dom/manipulator.js
+   * Bootstrap (v5.0.2): dom/manipulator.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
@@ -1043,7 +1066,7 @@
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): carousel.js
+   * Bootstrap (v5.0.2): carousel.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
@@ -1082,6 +1105,10 @@
   const ORDER_PREV = 'prev';
   const DIRECTION_LEFT = 'left';
   const DIRECTION_RIGHT = 'right';
+  const KEY_TO_DIRECTION = {
+    [ARROW_LEFT_KEY]: DIRECTION_RIGHT,
+    [ARROW_RIGHT_KEY]: DIRECTION_LEFT
+  };
   const EVENT_SLIDE = `slide${EVENT_KEY$9}`;
   const EVENT_SLID = `slid${EVENT_KEY$9}`;
   const EVENT_KEYDOWN = `keydown${EVENT_KEY$9}`;
@@ -1150,9 +1177,7 @@
 
 
     next() {
-      if (!this._isSliding) {
-        this._slide(ORDER_NEXT);
-      }
+      this._slide(ORDER_NEXT);
     }
 
     nextWhenVisible() {
@@ -1164,9 +1189,7 @@
     }
 
     prev() {
-      if (!this._isSliding) {
-        this._slide(ORDER_PREV);
-      }
+      this._slide(ORDER_PREV);
     }
 
     pause(event) {
@@ -1228,7 +1251,8 @@
 
     _getConfig(config) {
       config = { ...Default$9,
-        ...config
+        ...Manipulator.getDataAttributes(this._element),
+        ...(typeof config === 'object' ? config : {})
       };
       typeCheckConfig(NAME$a, config, DefaultType$9);
       return config;
@@ -1326,14 +1350,12 @@
         return;
       }
 
-      if (event.key === ARROW_LEFT_KEY) {
-        event.preventDefault();
+      const direction = KEY_TO_DIRECTION[event.key];
 
-        this._slide(DIRECTION_RIGHT);
-      } else if (event.key === ARROW_RIGHT_KEY) {
+      if (direction) {
         event.preventDefault();
 
-        this._slide(DIRECTION_LEFT);
+        this._slide(direction);
       }
     }
 
@@ -1344,20 +1366,7 @@
 
     _getItemByOrder(order, activeElement) {
       const isNext = order === ORDER_NEXT;
-      const isPrev = order === ORDER_PREV;
-
-      const activeIndex = this._getItemIndex(activeElement);
-
-      const lastItemIndex = this._items.length - 1;
-      const isGoingToWrap = isPrev && activeIndex === 0 || isNext && activeIndex === lastItemIndex;
-
-      if (isGoingToWrap && !this._config.wrap) {
-        return activeElement;
-      }
-
-      const delta = isPrev ? -1 : 1;
-      const itemIndex = (activeIndex + delta) % this._items.length;
-      return itemIndex === -1 ? this._items[this._items.length - 1] : this._items[itemIndex];
+      return getNextActiveElement(this._items, activeElement, isNext, this._config.wrap);
     }
 
     _triggerSlideEvent(relatedTarget, eventDirectionName) {
@@ -1430,6 +1439,10 @@
         return;
       }
 
+      if (this._isSliding) {
+        return;
+      }
+
       const slideEvent = this._triggerSlideEvent(nextElement, eventDirectionName);
 
       if (slideEvent.defaultPrevented) {
@@ -1513,10 +1526,10 @@
 
 
     static carouselInterface(element, config) {
-      let data = Data.get(element, DATA_KEY$9);
-      let _config = { ...Default$9,
-        ...Manipulator.getDataAttributes(element)
-      };
+      const data = Carousel.getOrCreateInstance(element, config);
+      let {
+        _config
+      } = data;
 
       if (typeof config === 'object') {
         _config = { ..._config,
@@ -1526,10 +1539,6 @@
 
       const action = typeof config === 'string' ? config : _config.slide;
 
-      if (!data) {
-        data = new Carousel(element, _config);
-      }
-
       if (typeof config === 'number') {
         data.to(config);
       } else if (typeof action === 'string') {
@@ -1569,7 +1578,7 @@
       Carousel.carouselInterface(target, config);
 
       if (slideIndex) {
-        Data.get(target, DATA_KEY$9).to(slideIndex);
+        Carousel.getInstance(target).to(slideIndex);
       }
 
       event.preventDefault();
@@ -1588,7 +1597,7 @@
     const carousels = SelectorEngine.find(SELECTOR_DATA_RIDE);
 
     for (let i = 0, len = carousels.length; i < len; i++) {
-      Carousel.carouselInterface(carousels[i], Data.get(carousels[i], DATA_KEY$9));
+      Carousel.carouselInterface(carousels[i], Carousel.getInstance(carousels[i]));
     }
   });
   /**
@@ -1602,7 +1611,7 @@
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): collapse.js
+   * Bootstrap (v5.0.2): collapse.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
@@ -1718,7 +1727,7 @@
 
       if (actives) {
         const tempActiveData = actives.find(elem => container !== elem);
-        activesData = tempActiveData ? Data.get(tempActiveData, DATA_KEY$8) : null;
+        activesData = tempActiveData ? Collapse.getInstance(tempActiveData) : null;
 
         if (activesData && activesData._isTransitioning) {
           return;
@@ -1881,7 +1890,7 @@
 
 
     static collapseInterface(element, config) {
-      let data = Data.get(element, DATA_KEY$8);
+      let data = Collapse.getInstance(element);
       const _config = { ...Default$8,
         ...Manipulator.getDataAttributes(element),
         ...(typeof config === 'object' && config ? config : {})
@@ -1928,7 +1937,7 @@
     const selector = getSelectorFromElement(this);
     const selectorElements = SelectorEngine.find(selector);
     selectorElements.forEach(element => {
-      const data = Data.get(element, DATA_KEY$8);
+      const data = Collapse.getInstance(element);
       let config;
 
       if (data) {
@@ -1957,7 +1966,7 @@
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): dropdown.js
+   * Bootstrap (v5.0.2): dropdown.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
@@ -2277,38 +2286,24 @@
       };
     }
 
-    _selectMenuItem(event) {
+    _selectMenuItem({
+      key,
+      target
+    }) {
       const items = SelectorEngine.find(SELECTOR_VISIBLE_ITEMS, this._menu).filter(isVisible);
 
       if (!items.length) {
         return;
-      }
-
-      let index = items.indexOf(event.target); // Up
-
-      if (event.key === ARROW_UP_KEY && index > 0) {
-        index--;
-      } // Down
+      } // if target isn't included in items (e.g. when expanding the dropdown)
+      // allow cycling to get the last item in case key equals ARROW_UP_KEY
 
 
-      if (event.key === ARROW_DOWN_KEY && index < items.length - 1) {
-        index++;
-      } // index is -1 if the first keydown is an ArrowUp
-
-
-      index = index === -1 ? 0 : index;
-      items[index].focus();
+      getNextActiveElement(items, target, key === ARROW_DOWN_KEY, !items.includes(target)).focus();
     } // Static
 
 
     static dropdownInterface(element, config) {
-      let data = Data.get(element, DATA_KEY$7);
-
-      const _config = typeof config === 'object' ? config : null;
-
-      if (!data) {
-        data = new Dropdown(element, _config);
-      }
+      const data = Dropdown.getOrCreateInstance(element, config);
 
       if (typeof config === 'string') {
         if (typeof data[config] === 'undefined') {
@@ -2333,7 +2328,7 @@
       const toggles = SelectorEngine.find(SELECTOR_DATA_TOGGLE$3);
 
       for (let i = 0, len = toggles.length; i < len; i++) {
-        const context = Data.get(toggles[i], DATA_KEY$7);
+        const context = Dropdown.getInstance(toggles[i]);
 
         if (!context || context._config.autoClose === false) {
           continue;
@@ -2406,17 +2401,19 @@
         return;
       }
 
-      if (!isActive && (event.key === ARROW_UP_KEY || event.key === ARROW_DOWN_KEY)) {
-        getToggleButton().click();
+      if (event.key === ARROW_UP_KEY || event.key === ARROW_DOWN_KEY) {
+        if (!isActive) {
+          getToggleButton().click();
+        }
+
+        Dropdown.getInstance(getToggleButton())._selectMenuItem(event);
+
         return;
       }
 
       if (!isActive || event.key === SPACE_KEY) {
         Dropdown.clearMenus();
-        return;
       }
-
-      Dropdown.getInstance(getToggleButton())._selectMenuItem(event);
     }
 
   }
@@ -2446,81 +2443,111 @@
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): util/scrollBar.js
+   * Bootstrap (v5.0.2): util/scrollBar.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
   const SELECTOR_FIXED_CONTENT = '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top';
   const SELECTOR_STICKY_CONTENT = '.sticky-top';
 
-  const getWidth = () => {
-    // https://developer.mozilla.org/en-US/docs/Web/API/Window/innerWidth#usage_notes
-    const documentWidth = document.documentElement.clientWidth;
-    return Math.abs(window.innerWidth - documentWidth);
-  };
+  class ScrollBarHelper {
+    constructor() {
+      this._element = document.body;
+    }
 
-  const hide = (width = getWidth()) => {
-    _disableOverFlow(); // give padding to element to balances the hidden scrollbar width
+    getWidth() {
+      // https://developer.mozilla.org/en-US/docs/Web/API/Window/innerWidth#usage_notes
+      const documentWidth = document.documentElement.clientWidth;
+      return Math.abs(window.innerWidth - documentWidth);
+    }
 
+    hide() {
+      const width = this.getWidth();
 
-    _setElementAttributes('body', 'paddingRight', calculatedValue => calculatedValue + width); // trick: We adjust positive paddingRight and negative marginRight to sticky-top elements, to keep shown fullwidth
+      this._disableOverFlow(); // give padding to element to balance the hidden scrollbar width
 
 
-    _setElementAttributes(SELECTOR_FIXED_CONTENT, 'paddingRight', calculatedValue => calculatedValue + width);
+      this._setElementAttributes(this._element, 'paddingRight', calculatedValue => calculatedValue + width); // trick: We adjust positive paddingRight and negative marginRight to sticky-top elements to keep showing fullwidth
 
-    _setElementAttributes(SELECTOR_STICKY_CONTENT, 'marginRight', calculatedValue => calculatedValue - width);
-  };
 
-  const _disableOverFlow = () => {
-    const actualValue = document.body.style.overflow;
+      this._setElementAttributes(SELECTOR_FIXED_CONTENT, 'paddingRight', calculatedValue => calculatedValue + width);
 
-    if (actualValue) {
-      Manipulator.setDataAttribute(document.body, 'overflow', actualValue);
+      this._setElementAttributes(SELECTOR_STICKY_CONTENT, 'marginRight', calculatedValue => calculatedValue - width);
     }
 
-    document.body.style.overflow = 'hidden';
-  };
+    _disableOverFlow() {
+      this._saveInitialAttribute(this._element, 'overflow');
 
-  const _setElementAttributes = (selector, styleProp, callback) => {
-    const scrollbarWidth = getWidth();
-    SelectorEngine.find(selector).forEach(element => {
-      if (element !== document.body && window.innerWidth > element.clientWidth + scrollbarWidth) {
-        return;
-      }
+      this._element.style.overflow = 'hidden';
+    }
 
-      const actualValue = element.style[styleProp];
-      const calculatedValue = window.getComputedStyle(element)[styleProp];
-      Manipulator.setDataAttribute(element, styleProp, actualValue);
-      element.style[styleProp] = `${callback(Number.parseFloat(calculatedValue))}px`;
-    });
-  };
+    _setElementAttributes(selector, styleProp, callback) {
+      const scrollbarWidth = this.getWidth();
+
+      const manipulationCallBack = element => {
+        if (element !== this._element && window.innerWidth > element.clientWidth + scrollbarWidth) {
+          return;
+        }
 
-  const reset = () => {
-    _resetElementAttributes('body', 'overflow');
+        this._saveInitialAttribute(element, styleProp);
 
-    _resetElementAttributes('body', 'paddingRight');
+        const calculatedValue = window.getComputedStyle(element)[styleProp];
+        element.style[styleProp] = `${callback(Number.parseFloat(calculatedValue))}px`;
+      };
 
-    _resetElementAttributes(SELECTOR_FIXED_CONTENT, 'paddingRight');
+      this._applyManipulationCallback(selector, manipulationCallBack);
+    }
 
-    _resetElementAttributes(SELECTOR_STICKY_CONTENT, 'marginRight');
-  };
+    reset() {
+      this._resetElementAttributes(this._element, 'overflow');
+
+      this._resetElementAttributes(this._element, 'paddingRight');
+
+      this._resetElementAttributes(SELECTOR_FIXED_CONTENT, 'paddingRight');
+
+      this._resetElementAttributes(SELECTOR_STICKY_CONTENT, 'marginRight');
+    }
+
+    _saveInitialAttribute(element, styleProp) {
+      const actualValue = element.style[styleProp];
+
+      if (actualValue) {
+        Manipulator.setDataAttribute(element, styleProp, actualValue);
+      }
+    }
+
+    _resetElementAttributes(selector, styleProp) {
+      const manipulationCallBack = element => {
+        const value = Manipulator.getDataAttribute(element, styleProp);
+
+        if (typeof value === 'undefined') {
+          element.style.removeProperty(styleProp);
+        } else {
+          Manipulator.removeDataAttribute(element, styleProp);
+          element.style[styleProp] = value;
+        }
+      };
 
-  const _resetElementAttributes = (selector, styleProp) => {
-    SelectorEngine.find(selector).forEach(element => {
-      const value = Manipulator.getDataAttribute(element, styleProp);
+      this._applyManipulationCallback(selector, manipulationCallBack);
+    }
 
-      if (typeof value === 'undefined') {
-        element.style.removeProperty(styleProp);
+    _applyManipulationCallback(selector, callBack) {
+      if (isElement(selector)) {
+        callBack(selector);
       } else {
-        Manipulator.removeDataAttribute(element, styleProp);
-        element.style[styleProp] = value;
+        SelectorEngine.find(selector, this._element).forEach(callBack);
       }
-    });
-  };
+    }
+
+    isOverflowing() {
+      return this.getWidth() > 0;
+    }
+
+  }
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): util/backdrop.js
+   * Bootstrap (v5.0.2): util/backdrop.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
    * --------------------------------------------------------------------------
    */
@@ -2528,14 +2555,14 @@
     isVisible: true,
     // if false, we use the backdrop helper without adding any element to the dom
     isAnimated: false,
-    rootElement: document.body,
+    rootElement: 'body',
     // give the choice to place backdrop under different elements
     clickCallback: null
   };
   const DefaultType$6 = {
     isVisible: 'boolean',
     isAnimated: 'boolean',
-    rootElement: 'element',
+    rootElement: '(element|string)',
     clickCallback: '(function|null)'
   };
   const NAME$7 = 'backdrop';
@@ -2603,8 +2630,9 @@
     _getConfig(config) {
       config = { ...Default$6,
         ...(typeof config === 'object' ? config : {})
-      };
-      config.rootElement = config.rootElement || document.body;
+      }; // use getElement() with the default "body" to get a fresh Element on each instantiation
+
+      config.rootElement = getElement(config.rootElement);
       typeCheckConfig(NAME$7, config, DefaultType$6);
       return config;
     }
@@ -2629,27 +2657,20 @@
 
       EventHandler.off(this._element, EVENT_MOUSEDOWN);
 
-      this._getElement().parentNode.removeChild(this._element);
+      this._element.remove();
 
       this._isAppended = false;
     }
 
     _emulateAnimation(callback) {
-      if (!this._config.isAnimated) {
-        execute(callback);
-        return;
-      }
-
-      const backdropTransitionDuration = getTransitionDurationFromElement(this._getElement());
-      EventHandler.one(this._getElement(), 'transitionend', () => execute(callback));
-      emulateTransitionEnd(this._getElement(), backdropTransitionDuration);
+      executeAfterTransition(callback, this._getElement(), this._config.isAnimated);
     }
 
   }
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): modal.js
+   * Bootstrap (v5.0.2): modal.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
@@ -2709,6 +2730,7 @@
       this._isShown = false;
       this._ignoreBackdropClick = false;
       this._isTransitioning = false;
+      this._scrollBar = new ScrollBarHelper();
     } // Getters
 
 
@@ -2730,20 +2752,22 @@
         return;
       }
 
-      if (this._isAnimated()) {
-        this._isTransitioning = true;
-      }
-
       const showEvent = EventHandler.trigger(this._element, EVENT_SHOW$3, {
         relatedTarget
       });
 
-      if (this._isShown || showEvent.defaultPrevented) {
+      if (showEvent.defaultPrevented) {
         return;
       }
 
       this._isShown = true;
-      hide();
+
+      if (this._isAnimated()) {
+        this._isTransitioning = true;
+      }
+
+      this._scrollBar.hide();
+
       document.body.classList.add(CLASS_NAME_OPEN);
 
       this._adjustDialog();
@@ -2765,7 +2789,7 @@
     }
 
     hide(event) {
-      if (event) {
+      if (event && ['A', 'AREA'].includes(event.target.tagName)) {
         event.preventDefault();
       }
 
@@ -2832,7 +2856,7 @@
     _getConfig(config) {
       config = { ...Default$5,
         ...Manipulator.getDataAttributes(this._element),
-        ...config
+        ...(typeof config === 'object' ? config : {})
       };
       typeCheckConfig(NAME$6, config, DefaultType$5);
       return config;
@@ -2935,7 +2959,8 @@
 
         this._resetAdjustments();
 
-        reset();
+        this._scrollBar.reset();
+
         EventHandler.trigger(this._element, EVENT_HIDDEN$3);
       });
     }
@@ -2972,27 +2997,32 @@
         return;
       }
 
-      const isModalOverflowing = this._element.scrollHeight > document.documentElement.clientHeight;
+      const {
+        classList,
+        scrollHeight,
+        style
+      } = this._element;
+      const isModalOverflowing = scrollHeight > document.documentElement.clientHeight; // return if the following background transition hasn't yet completed
+
+      if (!isModalOverflowing && style.overflowY === 'hidden' || classList.contains(CLASS_NAME_STATIC)) {
+        return;
+      }
 
       if (!isModalOverflowing) {
-        this._element.style.overflowY = 'hidden';
+        style.overflowY = 'hidden';
       }
 
-      this._element.classList.add(CLASS_NAME_STATIC);
+      classList.add(CLASS_NAME_STATIC);
 
-      const modalTransitionDuration = getTransitionDurationFromElement(this._dialog);
-      EventHandler.off(this._element, 'transitionend');
-      EventHandler.one(this._element, 'transitionend', () => {
-        this._element.classList.remove(CLASS_NAME_STATIC);
+      this._queueCallback(() => {
+        classList.remove(CLASS_NAME_STATIC);
 
         if (!isModalOverflowing) {
-          EventHandler.one(this._element, 'transitionend', () => {
-            this._element.style.overflowY = '';
-          });
-          emulateTransitionEnd(this._element, modalTransitionDuration);
+          this._queueCallback(() => {
+            style.overflowY = '';
+          }, this._dialog);
         }
-      });
-      emulateTransitionEnd(this._element, modalTransitionDuration);
+      }, this._dialog);
 
       this._element.focus();
     } // ----------------------------------------------------------------------
@@ -3002,7 +3032,9 @@
 
     _adjustDialog() {
       const isModalOverflowing = this._element.scrollHeight > document.documentElement.clientHeight;
-      const scrollbarWidth = getWidth();
+
+      const scrollbarWidth = this._scrollBar.getWidth();
+
       const isBodyOverflowing = scrollbarWidth > 0;
 
       if (!isBodyOverflowing && isModalOverflowing && !isRTL() || isBodyOverflowing && !isModalOverflowing && isRTL()) {
@@ -3022,7 +3054,7 @@
 
     static jQueryInterface(config, relatedTarget) {
       return this.each(function () {
-        const data = Modal.getInstance(this) || new Modal(this, typeof config === 'object' ? config : {});
+        const data = Modal.getOrCreateInstance(this, config);
 
         if (typeof config !== 'string') {
           return;
@@ -3063,7 +3095,7 @@
         }
       });
     });
-    const data = Modal.getInstance(target) || new Modal(target);
+    const data = Modal.getOrCreateInstance(target);
     data.toggle(this);
   });
   /**
@@ -3077,7 +3109,7 @@
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): offcanvas.js
+   * Bootstrap (v5.0.2): offcanvas.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
    * --------------------------------------------------------------------------
    */
@@ -3164,7 +3196,7 @@
       this._backdrop.show();
 
       if (!this._config.scroll) {
-        hide();
+        new ScrollBarHelper().hide();
 
         this._enforceFocusOnElement(this._element);
       }
@@ -3217,7 +3249,7 @@
         this._element.style.visibility = 'hidden';
 
         if (!this._config.scroll) {
-          reset();
+          new ScrollBarHelper().reset();
         }
 
         EventHandler.trigger(this._element, EVENT_HIDDEN$2);
@@ -3275,7 +3307,7 @@
 
     static jQueryInterface(config) {
       return this.each(function () {
-        const data = Data.get(this, DATA_KEY$5) || new Offcanvas(this, typeof config === 'object' ? config : {});
+        const data = Offcanvas.getOrCreateInstance(this, config);
 
         if (typeof config !== 'string') {
           return;
@@ -3321,12 +3353,10 @@
       Offcanvas.getInstance(allReadyOpen).hide();
     }
 
-    const data = Data.get(target, DATA_KEY$5) || new Offcanvas(target);
+    const data = Offcanvas.getOrCreateInstance(target);
     data.toggle(this);
   });
-  EventHandler.on(window, EVENT_LOAD_DATA_API$1, () => {
-    SelectorEngine.find(OPEN_SELECTOR).forEach(el => (Data.get(el, DATA_KEY$5) || new Offcanvas(el)).show());
-  });
+  EventHandler.on(window, EVENT_LOAD_DATA_API$1, () => SelectorEngine.find(OPEN_SELECTOR).forEach(el => Offcanvas.getOrCreateInstance(el).show()));
   /**
    * ------------------------------------------------------------------------
    * jQuery
@@ -3337,7 +3367,7 @@
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): util/sanitizer.js
+   * Bootstrap (v5.0.2): util/sanitizer.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
@@ -3432,7 +3462,7 @@
       const elName = el.nodeName.toLowerCase();
 
       if (!allowlistKeys.includes(elName)) {
-        el.parentNode.removeChild(el);
+        el.remove();
         continue;
       }
 
@@ -3450,7 +3480,7 @@
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): tooltip.js
+   * Bootstrap (v5.0.2): tooltip.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
@@ -3619,8 +3649,8 @@
       clearTimeout(this._timeout);
       EventHandler.off(this._element.closest(`.${CLASS_NAME_MODAL}`), 'hide.bs.modal', this._hideModalHandler);
 
-      if (this.tip && this.tip.parentNode) {
-        this.tip.parentNode.removeChild(this.tip);
+      if (this.tip) {
+        this.tip.remove();
       }
 
       if (this._popper) {
@@ -3725,8 +3755,8 @@
           return;
         }
 
-        if (this._hoverState !== HOVER_STATE_SHOW && tip.parentNode) {
-          tip.parentNode.removeChild(tip);
+        if (this._hoverState !== HOVER_STATE_SHOW) {
+          tip.remove();
         }
 
         this._cleanTipClass();
@@ -4113,17 +4143,7 @@
 
     static jQueryInterface(config) {
       return this.each(function () {
-        let data = Data.get(this, DATA_KEY$4);
-
-        const _config = typeof config === 'object' && config;
-
-        if (!data && /dispose|hide/.test(config)) {
-          return;
-        }
-
-        if (!data) {
-          data = new Tooltip(this, _config);
-        }
+        const data = Tooltip.getOrCreateInstance(this, config);
 
         if (typeof config === 'string') {
           if (typeof data[config] === 'undefined') {
@@ -4148,7 +4168,7 @@
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): popover.js
+   * Bootstrap (v5.0.2): popover.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
@@ -4218,6 +4238,24 @@
       return this.getTitle() || this._getContent();
     }
 
+    getTipElement() {
+      if (this.tip) {
+        return this.tip;
+      }
+
+      this.tip = super.getTipElement();
+
+      if (!this.getTitle()) {
+        SelectorEngine.findOne(SELECTOR_TITLE, this.tip).remove();
+      }
+
+      if (!this._getContent()) {
+        SelectorEngine.findOne(SELECTOR_CONTENT, this.tip).remove();
+      }
+
+      return this.tip;
+    }
+
     setContent() {
       const tip = this.getTipElement(); // we use append for html objects to maintain js events
 
@@ -4254,18 +4292,7 @@
 
     static jQueryInterface(config) {
       return this.each(function () {
-        let data = Data.get(this, DATA_KEY$3);
-
-        const _config = typeof config === 'object' ? config : null;
-
-        if (!data && /dispose|hide/.test(config)) {
-          return;
-        }
-
-        if (!data) {
-          data = new Popover(this, _config);
-          Data.set(this, DATA_KEY$3, data);
-        }
+        const data = Popover.getOrCreateInstance(this, config);
 
         if (typeof config === 'string') {
           if (typeof data[config] === 'undefined') {
@@ -4290,7 +4317,7 @@
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): scrollspy.js
+   * Bootstrap (v5.0.2): scrollspy.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
@@ -4505,7 +4532,7 @@
 
     static jQueryInterface(config) {
       return this.each(function () {
-        const data = ScrollSpy.getInstance(this) || new ScrollSpy(this, typeof config === 'object' ? config : {});
+        const data = ScrollSpy.getOrCreateInstance(this, config);
 
         if (typeof config !== 'string') {
           return;
@@ -4541,7 +4568,7 @@
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): tab.js
+   * Bootstrap (v5.0.2): tab.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
@@ -4696,7 +4723,7 @@
 
     static jQueryInterface(config) {
       return this.each(function () {
-        const data = Data.get(this, DATA_KEY$1) || new Tab(this);
+        const data = Tab.getOrCreateInstance(this);
 
         if (typeof config === 'string') {
           if (typeof data[config] === 'undefined') {
@@ -4725,7 +4752,7 @@
       return;
     }
 
-    const data = Data.get(this, DATA_KEY$1) || new Tab(this);
+    const data = Tab.getOrCreateInstance(this);
     data.show();
   });
   /**
@@ -4739,7 +4766,7 @@
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): toast.js
+   * Bootstrap (v5.0.2): toast.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
@@ -4939,13 +4966,7 @@
 
     static jQueryInterface(config) {
       return this.each(function () {
-        let data = Data.get(this, DATA_KEY);
-
-        const _config = typeof config === 'object' && config;
-
-        if (!data) {
-          data = new Toast(this, _config);
-        }
+        const data = Toast.getOrCreateInstance(this, config);
 
         if (typeof config === 'string') {
           if (typeof data[config] === 'undefined') {
@@ -4970,7 +4991,7 @@
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): index.umd.js
+   * Bootstrap (v5.0.2): index.umd.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */