9 files changed, 319 insertions, 256 deletions

diff --git a/js/src/util/backdrop.js b/js/src/util/backdrop.js
index fb1b2776b..82b54900e 100644
--- a/js/src/util/backdrop.js
+++ b/js/src/util/backdrop.js
@@ -1,12 +1,15 @@
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v5.1.3): util/backdrop.js
+ * Bootstrap util/backdrop.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
  * --------------------------------------------------------------------------
  */
 
-import EventHandler from '../dom/event-handler'
-import { execute, executeAfterTransition, getElement, reflow, typeCheckConfig } from './index'
+import EventHandler from '../dom/event-handler.js'
+import Config from './config.js'
+import {
+  execute, executeAfterTransition, getElement, reflow
+} from './index.js'
 
 /**
  * Constants
@@ -19,31 +22,45 @@ const EVENT_MOUSEDOWN = `mousedown.bs.${NAME}`
 
 const Default = {
   className: 'modal-backdrop',
-  isVisible: true, // if false, we use the backdrop helper without adding any element to the dom
+  clickCallback: null,
   isAnimated: false,
-  rootElement: 'body', // give the choice to place backdrop under different elements
-  clickCallback: null
+  isVisible: true, // if false, we use the backdrop helper without adding any element to the dom
+  rootElement: 'body' // give the choice to place backdrop under different elements
 }
 
 const DefaultType = {
   className: 'string',
-  isVisible: 'boolean',
+  clickCallback: '(function|null)',
   isAnimated: 'boolean',
-  rootElement: '(element|string)',
-  clickCallback: '(function|null)'
+  isVisible: 'boolean',
+  rootElement: '(element|string)'
 }
 
 /**
  * Class definition
  */
 
-class Backdrop {
+class Backdrop extends Config {
   constructor(config) {
+    super()
     this._config = this._getConfig(config)
     this._isAppended = false
     this._element = null
   }
 
+  // Getters
+  static get Default() {
+    return Default
+  }
+
+  static get DefaultType() {
+    return DefaultType
+  }
+
+  static get NAME() {
+    return NAME
+  }
+
   // Public
   show(callback) {
     if (!this._config.isVisible) {
@@ -53,11 +70,12 @@ class Backdrop {
 
     this._append()
 
+    const element = this._getElement()
     if (this._config.isAnimated) {
-      reflow(this._getElement())
+      reflow(element)
     }
 
-    this._getElement().classList.add(CLASS_NAME_SHOW)
+    element.classList.add(CLASS_NAME_SHOW)
 
     this._emulateAnimation(() => {
       execute(callback)
@@ -104,15 +122,9 @@ class Backdrop {
     return this._element
   }
 
-  _getConfig(config) {
-    config = {
-      ...Default,
-      ...(typeof config === 'object' ? config : {})
-    }
-
+  _configAfterMerge(config) {
     // use getElement() with the default "body" to get a fresh Element on each instantiation
     config.rootElement = getElement(config.rootElement)
-    typeCheckConfig(NAME, config, DefaultType)
     return config
   }
 
@@ -121,9 +133,10 @@ class Backdrop {
       return
     }
 
-    this._config.rootElement.append(this._getElement())
+    const element = this._getElement()
+    this._config.rootElement.append(element)
 
-    EventHandler.on(this._getElement(), EVENT_MOUSEDOWN, () => {
+    EventHandler.on(element, EVENT_MOUSEDOWN, () => {
       execute(this._config.clickCallback)
     })
 
diff --git a/js/src/util/component-functions.js b/js/src/util/component-functions.js
index bd44c3fdc..4be828f83 100644
--- a/js/src/util/component-functions.js
+++ b/js/src/util/component-functions.js
@@ -1,12 +1,13 @@
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v5.1.3): util/component-functions.js
+ * Bootstrap util/component-functions.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
  * --------------------------------------------------------------------------
  */
 
-import EventHandler from '../dom/event-handler'
-import { getElementFromSelector, isDisabled } from './index'
+import EventHandler from '../dom/event-handler.js'
+import SelectorEngine from '../dom/selector-engine.js'
+import { isDisabled } from './index.js'
 
 const enableDismissTrigger = (component, method = 'hide') => {
   const clickEvent = `click.dismiss${component.EVENT_KEY}`
@@ -21,7 +22,7 @@ const enableDismissTrigger = (component, method = 'hide') => {
       return
     }
 
-    const target = getElementFromSelector(this) || this.closest(`.${name}`)
+    const target = SelectorEngine.getElementFromSelector(this) || this.closest(`.${name}`)
     const instance = component.getOrCreateInstance(target)
 
     // Method argument is left, for Alert and only, as it doesn't implement the 'hide' method
diff --git a/js/src/util/config.js b/js/src/util/config.js
new file mode 100644
index 000000000..a2b4bfba0
--- /dev/null
+++ b/js/src/util/config.js
@@ -0,0 +1,65 @@
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap util/config.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+
+import Manipulator from '../dom/manipulator.js'
+import { isElement, toType } from './index.js'
+
+/**
+ * Class definition
+ */
+
+class Config {
+  // Getters
+  static get Default() {
+    return {}
+  }
+
+  static get DefaultType() {
+    return {}
+  }
+
+  static get NAME() {
+    throw new Error('You have to implement the static method "NAME", for each component!')
+  }
+
+  _getConfig(config) {
+    config = this._mergeConfigObj(config)
+    config = this._configAfterMerge(config)
+    this._typeCheckConfig(config)
+    return config
+  }
+
+  _configAfterMerge(config) {
+    return config
+  }
+
+  _mergeConfigObj(config, element) {
+    const jsonConfig = isElement(element) ? Manipulator.getDataAttribute(element, 'config') : {} // try to parse
+
+    return {
+      ...this.constructor.Default,
+      ...(typeof jsonConfig === 'object' ? jsonConfig : {}),
+      ...(isElement(element) ? Manipulator.getDataAttributes(element) : {}),
+      ...(typeof config === 'object' ? config : {})
+    }
+  }
+
+  _typeCheckConfig(config, configTypes = this.constructor.DefaultType) {
+    for (const [property, expectedTypes] of Object.entries(configTypes)) {
+      const value = config[property]
+      const valueType = isElement(value) ? 'element' : toType(value)
+
+      if (!new RegExp(expectedTypes).test(valueType)) {
+        throw new TypeError(
+          `${this.constructor.NAME.toUpperCase()}: Option "${property}" provided type "${valueType}" but expected type "${expectedTypes}".`
+        )
+      }
+    }
+  }
+}
+
+export default Config
diff --git a/js/src/util/focustrap.js b/js/src/util/focustrap.js
index a1975f489..158f3d184 100644
--- a/js/src/util/focustrap.js
+++ b/js/src/util/focustrap.js
@@ -1,13 +1,13 @@
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v5.1.3): util/focustrap.js
+ * Bootstrap util/focustrap.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
  * --------------------------------------------------------------------------
  */
 
-import EventHandler from '../dom/event-handler'
-import SelectorEngine from '../dom/selector-engine'
-import { typeCheckConfig } from './index'
+import EventHandler from '../dom/event-handler.js'
+import SelectorEngine from '../dom/selector-engine.js'
+import Config from './config.js'
 
 /**
  * Constants
@@ -24,36 +24,48 @@ const TAB_NAV_FORWARD = 'forward'
 const TAB_NAV_BACKWARD = 'backward'
 
 const Default = {
-  trapElement: null, // The element to trap focus inside of
-  autofocus: true
+  autofocus: true,
+  trapElement: null // The element to trap focus inside of
 }
 
 const DefaultType = {
-  trapElement: 'element',
-  autofocus: 'boolean'
+  autofocus: 'boolean',
+  trapElement: 'element'
 }
 
 /**
  * Class definition
  */
 
-class FocusTrap {
+class FocusTrap extends Config {
   constructor(config) {
+    super()
     this._config = this._getConfig(config)
     this._isActive = false
     this._lastTabNavDirection = null
   }
 
+  // Getters
+  static get Default() {
+    return Default
+  }
+
+  static get DefaultType() {
+    return DefaultType
+  }
+
+  static get NAME() {
+    return NAME
+  }
+
   // Public
   activate() {
-    const { trapElement, autofocus } = this._config
-
     if (this._isActive) {
       return
     }
 
-    if (autofocus) {
-      trapElement.focus()
+    if (this._config.autofocus) {
+      this._config.trapElement.focus()
     }
 
     EventHandler.off(document, EVENT_KEY) // guard against infinite focus loop
@@ -74,10 +86,9 @@ class FocusTrap {
 
   // Private
   _handleFocusin(event) {
-    const { target } = event
     const { trapElement } = this._config
 
-    if (target === document || target === trapElement || trapElement.contains(target)) {
+    if (event.target === document || event.target === trapElement || trapElement.contains(event.target)) {
       return
     }
 
@@ -99,15 +110,6 @@ class FocusTrap {
 
     this._lastTabNavDirection = event.shiftKey ? TAB_NAV_BACKWARD : TAB_NAV_FORWARD
   }
-
-  _getConfig(config) {
-    config = {
-      ...Default,
-      ...(typeof config === 'object' ? config : {})
-    }
-    typeCheckConfig(NAME, config, DefaultType)
-    return config
-  }
 }
 
 export default FocusTrap
diff --git a/js/src/util/index.js b/js/src/util/index.js
index 0ba6ce6f8..c271cc536 100644
--- a/js/src/util/index.js
+++ b/js/src/util/index.js
@@ -1,6 +1,6 @@
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v5.1.3): util/index.js
+ * Bootstrap util/index.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -9,13 +9,27 @@ const MAX_UID = 1_000_000
 const MILLISECONDS_MULTIPLIER = 1000
 const TRANSITION_END = 'transitionend'
 
-// Shoutout AngusCroll (https://goo.gl/pxwQGp)
-const toType = obj => {
-  if (obj === null || obj === undefined) {
-    return `${obj}`
+/**
+ * Properly escape IDs selectors to handle weird IDs
+ * @param {string} selector
+ * @returns {string}
+ */
+const parseSelector = selector => {
+  if (selector && window.CSS && window.CSS.escape) {
+    // document.querySelector needs escaping to handle IDs (html5+) containing for instance /
+    selector = selector.replace(/#([^\s"#']+)/g, (match, id) => `#${CSS.escape(id)}`)
+  }
+
+  return selector
+}
+
+// Shout-out Angus Croll (https://goo.gl/pxwQGp)
+const toType = object => {
+  if (object === null || object === undefined) {
+    return `${object}`
   }
 
-  return Object.prototype.toString.call(obj).match(/\s([a-z]+)/i)[1].toLowerCase()
+  return Object.prototype.toString.call(object).match(/\s([a-z]+)/i)[1].toLowerCase()
 }
 
 /**
@@ -30,47 +44,6 @@ const getUID = prefix => {
   return prefix
 }
 
-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 getSelectorFromElement = element => {
-  const selector = getSelector(element)
-
-  if (selector) {
-    return document.querySelector(selector) ? selector : null
-  }
-
-  return null
-}
-
-const getElementFromSelector = element => {
-  const selector = getSelector(element)
-
-  return selector ? document.querySelector(selector) : null
-}
-
 const getTransitionDurationFromElement = element => {
   if (!element) {
     return 0
@@ -98,51 +71,56 @@ const triggerTransitionEnd = element => {
   element.dispatchEvent(new Event(TRANSITION_END))
 }
 
-const isElement = obj => {
-  if (!obj || typeof obj !== 'object') {
+const isElement = object => {
+  if (!object || typeof object !== 'object') {
     return false
   }
 
-  if (typeof obj.jquery !== 'undefined') {
-    obj = obj[0]
+  if (typeof object.jquery !== 'undefined') {
+    object = object[0]
   }
 
-  return typeof obj.nodeType !== 'undefined'
+  return typeof object.nodeType !== 'undefined'
 }
 
-const getElement = obj => {
+const getElement = object => {
   // it's a jQuery object or a node element
-  if (isElement(obj)) {
-    return obj.jquery ? obj[0] : obj
+  if (isElement(object)) {
+    return object.jquery ? object[0] : object
   }
 
-  if (typeof obj === 'string' && obj.length > 0) {
-    return document.querySelector(obj)
+  if (typeof object === 'string' && object.length > 0) {
+    return document.querySelector(parseSelector(object))
   }
 
   return null
 }
 
-const typeCheckConfig = (componentName, config, configTypes) => {
-  for (const property of Object.keys(configTypes)) {
-    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 elementIsVisible = getComputedStyle(element).getPropertyValue('visibility') === 'visible'
+  // Handle `details` element as its content may falsie appear visible when it is closed
+  const closedDetails = element.closest('details:not([open])')
+
+  if (!closedDetails) {
+    return elementIsVisible
+  }
+
+  if (closedDetails !== element) {
+    const summary = element.closest('summary')
+    if (summary && summary.parentNode !== closedDetails) {
+      return false
+    }
+
+    if (summary === null) {
+      return false
+    }
+  }
+
+  return elementIsVisible
 }
 
 const isDisabled = element => {
@@ -192,17 +170,15 @@ const noop = () => {}
  * @param {HTMLElement} element
  * @return void
  *
- * @see https://www.charistheo.io/blog/2021/02/restart-a-css-animation-with-javascript/#restarting-a-css-animation
+ * @see https://www.harrytheo.com/blog/2021/02/restart-a-css-animation-with-javascript/#restarting-a-css-animation
  */
 const reflow = element => {
   element.offsetHeight // eslint-disable-line no-unused-expressions
 }
 
 const getjQuery = () => {
-  const { jQuery } = window
-
-  if (jQuery && !document.body.hasAttribute('data-bs-no-jquery')) {
-    return jQuery
+  if (window.jQuery && !document.body.hasAttribute('data-bs-no-jquery')) {
+    return window.jQuery
   }
 
   return null
@@ -246,10 +222,8 @@ const defineJQueryPlugin = plugin => {
   })
 }
 
-const execute = callback => {
-  if (typeof callback === 'function') {
-    callback()
-  }
+const execute = (possibleCallback, args = [], defaultValue = possibleCallback) => {
+  return typeof possibleCallback === 'function' ? possibleCallback.call(...args) : defaultValue
 }
 
 const executeAfterTransition = (callback, transitionElement, waitForTransition = true) => {
@@ -291,15 +265,15 @@ const executeAfterTransition = (callback, transitionElement, waitForTransition =
  * @return {Element|elem} The proper element
  */
 const getNextActiveElement = (list, activeElement, shouldGetNext, isCycleAllowed) => {
+  const listLength = list.length
   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 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]
+    return !shouldGetNext && isCycleAllowed ? list[listLength - 1] : list[0]
   }
 
-  const listLength = list.length
-
   index += shouldGetNext ? 1 : -1
 
   if (isCycleAllowed) {
@@ -315,10 +289,8 @@ export {
   executeAfterTransition,
   findShadowRoot,
   getElement,
-  getElementFromSelector,
   getjQuery,
   getNextActiveElement,
-  getSelectorFromElement,
   getTransitionDurationFromElement,
   getUID,
   isDisabled,
@@ -327,7 +299,8 @@ export {
   isVisible,
   noop,
   onDOMContentLoaded,
+  parseSelector,
   reflow,
   triggerTransitionEnd,
-  typeCheckConfig
+  toType
 }
diff --git a/js/src/util/sanitizer.js b/js/src/util/sanitizer.js
index 5a7a68035..3d2883aff 100644
--- a/js/src/util/sanitizer.js
+++ b/js/src/util/sanitizer.js
@@ -1,53 +1,13 @@
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v5.1.3): util/sanitizer.js
+ * Bootstrap util/sanitizer.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
  * --------------------------------------------------------------------------
  */
 
-const uriAttributes = new Set([
-  'background',
-  'cite',
-  'href',
-  'itemtype',
-  'longdesc',
-  'poster',
-  'src',
-  'xlink:href'
-])
-
+// js-docs-start allow-list
 const ARIA_ATTRIBUTE_PATTERN = /^aria-[\w-]*$/i
 
-/**
- * A pattern that recognizes a commonly useful subset of URLs that are safe.
- *
- * Shoutout to Angular https://github.com/angular/angular/blob/12.2.x/packages/core/src/sanitization/url_sanitizer.ts
- */
-const SAFE_URL_PATTERN = /^(?:(?:https?|mailto|ftp|tel|file|sms):|[^#&/:?]*(?:[#/?]|$))/i
-
-/**
- * A pattern that matches safe data URLs. Only matches image, video and audio types.
- *
- * Shoutout to Angular https://github.com/angular/angular/blob/12.2.x/packages/core/src/sanitization/url_sanitizer.ts
- */
-const DATA_URL_PATTERN = /^data:(?:image\/(?:bmp|gif|jpeg|jpg|png|tiff|webp)|video\/(?:mpeg|mp4|ogg|webm)|audio\/(?:mp3|oga|ogg|opus));base64,[\d+/a-z]+=*$/i
-
-const allowedAttribute = (attribute, allowedAttributeList) => {
-  const attributeName = attribute.nodeName.toLowerCase()
-
-  if (allowedAttributeList.includes(attributeName)) {
-    if (uriAttributes.has(attributeName)) {
-      return Boolean(SAFE_URL_PATTERN.test(attribute.nodeValue) || DATA_URL_PATTERN.test(attribute.nodeValue))
-    }
-
-    return true
-  }
-
-  // Check if a regular expression validates the attribute.
-  return allowedAttributeList.filter(attributeRegex => attributeRegex instanceof RegExp)
-    .some(regex => regex.test(attributeName))
-}
-
 export const DefaultAllowlist = {
   // Global attributes allowed on any supplied element below.
   '*': ['class', 'dir', 'id', 'lang', 'role', ARIA_ATTRIBUTE_PATTERN],
@@ -57,7 +17,10 @@ export const DefaultAllowlist = {
   br: [],
   col: [],
   code: [],
+  dd: [],
   div: [],
+  dl: [],
+  dt: [],
   em: [],
   hr: [],
   h1: [],
@@ -81,14 +44,51 @@ export const DefaultAllowlist = {
   u: [],
   ul: []
 }
+// js-docs-end allow-list
+
+const uriAttributes = new Set([
+  'background',
+  'cite',
+  'href',
+  'itemtype',
+  'longdesc',
+  'poster',
+  'src',
+  'xlink:href'
+])
+
+/**
+ * A pattern that recognizes URLs that are safe wrt. XSS in URL navigation
+ * contexts.
+ *
+ * Shout-out to Angular https://github.com/angular/angular/blob/15.2.8/packages/core/src/sanitization/url_sanitizer.ts#L38
+ */
+// eslint-disable-next-line unicorn/better-regex
+const SAFE_URL_PATTERN = /^(?!javascript:)(?:[a-z0-9+.-]+:|[^&:/?#]*(?:[/?#]|$))/i
+
+const allowedAttribute = (attribute, allowedAttributeList) => {
+  const attributeName = attribute.nodeName.toLowerCase()
+
+  if (allowedAttributeList.includes(attributeName)) {
+    if (uriAttributes.has(attributeName)) {
+      return Boolean(SAFE_URL_PATTERN.test(attribute.nodeValue))
+    }
+
+    return true
+  }
+
+  // Check if a regular expression validates the attribute.
+  return allowedAttributeList.filter(attributeRegex => attributeRegex instanceof RegExp)
+    .some(regex => regex.test(attributeName))
+}
 
-export function sanitizeHtml(unsafeHtml, allowList, sanitizeFn) {
+export function sanitizeHtml(unsafeHtml, allowList, sanitizeFunction) {
   if (!unsafeHtml.length) {
     return unsafeHtml
   }
 
-  if (sanitizeFn && typeof sanitizeFn === 'function') {
-    return sanitizeFn(unsafeHtml)
+  if (sanitizeFunction && typeof sanitizeFunction === 'function') {
+    return sanitizeFunction(unsafeHtml)
   }
 
   const domParser = new window.DOMParser()
@@ -100,7 +100,6 @@ export function sanitizeHtml(unsafeHtml, allowList, sanitizeFn) {
 
     if (!Object.keys(allowList).includes(elementName)) {
       element.remove()
-
       continue
     }
 
diff --git a/js/src/util/scrollbar.js b/js/src/util/scrollbar.js
index 55b7244ab..413f178da 100644
--- a/js/src/util/scrollbar.js
+++ b/js/src/util/scrollbar.js
@@ -1,13 +1,13 @@
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v5.1.3): util/scrollBar.js
+ * Bootstrap util/scrollBar.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
  * --------------------------------------------------------------------------
  */
 
-import SelectorEngine from '../dom/selector-engine'
-import Manipulator from '../dom/manipulator'
-import { isElement } from './index'
+import Manipulator from '../dom/manipulator.js'
+import SelectorEngine from '../dom/selector-engine.js'
+import { isElement } from './index.js'
 
 /**
  * Constants
@@ -15,6 +15,8 @@ import { isElement } from './index'
 
 const SELECTOR_FIXED_CONTENT = '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top'
 const SELECTOR_STICKY_CONTENT = '.sticky-top'
+const PROPERTY_PADDING = 'padding-right'
+const PROPERTY_MARGIN = 'margin-right'
 
 /**
  * Class definition
@@ -36,17 +38,17 @@ class ScrollBarHelper {
     const width = this.getWidth()
     this._disableOverFlow()
     // give padding to element to balance the hidden scrollbar width
-    this._setElementAttributes(this._element, 'paddingRight', calculatedValue => calculatedValue + width)
+    this._setElementAttributes(this._element, PROPERTY_PADDING, calculatedValue => calculatedValue + width)
     // trick: We adjust positive paddingRight and negative marginRight to sticky-top elements to keep showing fullwidth
-    this._setElementAttributes(SELECTOR_FIXED_CONTENT, 'paddingRight', calculatedValue => calculatedValue + width)
-    this._setElementAttributes(SELECTOR_STICKY_CONTENT, 'marginRight', calculatedValue => calculatedValue - width)
+    this._setElementAttributes(SELECTOR_FIXED_CONTENT, PROPERTY_PADDING, calculatedValue => calculatedValue + width)
+    this._setElementAttributes(SELECTOR_STICKY_CONTENT, PROPERTY_MARGIN, calculatedValue => calculatedValue - width)
   }
 
   reset() {
     this._resetElementAttributes(this._element, 'overflow')
-    this._resetElementAttributes(this._element, 'paddingRight')
-    this._resetElementAttributes(SELECTOR_FIXED_CONTENT, 'paddingRight')
-    this._resetElementAttributes(SELECTOR_STICKY_CONTENT, 'marginRight')
+    this._resetElementAttributes(this._element, PROPERTY_PADDING)
+    this._resetElementAttributes(SELECTOR_FIXED_CONTENT, PROPERTY_PADDING)
+    this._resetElementAttributes(SELECTOR_STICKY_CONTENT, PROPERTY_MARGIN)
   }
 
   isOverflowing() {
@@ -59,37 +61,39 @@ class ScrollBarHelper {
     this._element.style.overflow = 'hidden'
   }
 
-  _setElementAttributes(selector, styleProp, callback) {
+  _setElementAttributes(selector, styleProperty, callback) {
     const scrollbarWidth = this.getWidth()
     const manipulationCallBack = element => {
       if (element !== this._element && window.innerWidth > element.clientWidth + scrollbarWidth) {
         return
       }
 
-      this._saveInitialAttribute(element, styleProp)
-      const calculatedValue = window.getComputedStyle(element)[styleProp]
-      element.style[styleProp] = `${callback(Number.parseFloat(calculatedValue))}px`
+      this._saveInitialAttribute(element, styleProperty)
+      const calculatedValue = window.getComputedStyle(element).getPropertyValue(styleProperty)
+      element.style.setProperty(styleProperty, `${callback(Number.parseFloat(calculatedValue))}px`)
     }
 
     this._applyManipulationCallback(selector, manipulationCallBack)
   }
 
-  _saveInitialAttribute(element, styleProp) {
-    const actualValue = element.style[styleProp]
+  _saveInitialAttribute(element, styleProperty) {
+    const actualValue = element.style.getPropertyValue(styleProperty)
     if (actualValue) {
-      Manipulator.setDataAttribute(element, styleProp, actualValue)
+      Manipulator.setDataAttribute(element, styleProperty, actualValue)
     }
   }
 
-  _resetElementAttributes(selector, styleProp) {
+  _resetElementAttributes(selector, styleProperty) {
     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 value = Manipulator.getDataAttribute(element, styleProperty)
+      // We only want to remove the property if the value is `null`; the value can also be zero
+      if (value === null) {
+        element.style.removeProperty(styleProperty)
+        return
       }
+
+      Manipulator.removeDataAttribute(element, styleProperty)
+      element.style.setProperty(styleProperty, value)
     }
 
     this._applyManipulationCallback(selector, manipulationCallBack)
@@ -98,10 +102,11 @@ class ScrollBarHelper {
   _applyManipulationCallback(selector, callBack) {
     if (isElement(selector)) {
       callBack(selector)
-    } else {
-      for (const sel of SelectorEngine.find(selector, this._element)) {
-        callBack(sel)
-      }
+      return
+    }
+
+    for (const sel of SelectorEngine.find(selector, this._element)) {
+      callBack(sel)
     }
   }
 }
diff --git a/js/src/util/swipe.js b/js/src/util/swipe.js
index 87a5f7f5a..d2f708711 100644
--- a/js/src/util/swipe.js
+++ b/js/src/util/swipe.js
@@ -1,12 +1,13 @@
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v5.1.3): util/swipe.js
+ * Bootstrap util/swipe.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
  * --------------------------------------------------------------------------
  */
 
-import EventHandler from '../dom/event-handler'
-import { execute, typeCheckConfig } from './index'
+import EventHandler from '../dom/event-handler.js'
+import Config from './config.js'
+import { execute } from './index.js'
 
 /**
  * Constants
@@ -25,23 +26,24 @@ const CLASS_NAME_POINTER_EVENT = 'pointer-event'
 const SWIPE_THRESHOLD = 40
 
 const Default = {
+  endCallback: null,
   leftCallback: null,
-  rightCallback: null,
-  endCallback: null
+  rightCallback: null
 }
 
 const DefaultType = {
+  endCallback: '(function|null)',
   leftCallback: '(function|null)',
-  rightCallback: '(function|null)',
-  endCallback: '(function|null)'
+  rightCallback: '(function|null)'
 }
 
 /**
  * Class definition
  */
 
-class Swipe {
+class Swipe extends Config {
   constructor(element, config) {
+    super()
     this._element = element
 
     if (!element || !Swipe.isSupported()) {
@@ -54,6 +56,19 @@ class Swipe {
     this._initEvents()
   }
 
+  // Getters
+  static get Default() {
+    return Default
+  }
+
+  static get DefaultType() {
+    return DefaultType
+  }
+
+  static get NAME() {
+    return NAME
+  }
+
   // Public
   dispose() {
     EventHandler.off(this._element, EVENT_KEY)
@@ -118,15 +133,6 @@ class Swipe {
     }
   }
 
-  _getConfig(config) {
-    config = {
-      ...Default,
-      ...(typeof config === 'object' ? config : {})
-    }
-    typeCheckConfig(NAME, config, DefaultType)
-    return config
-  }
-
   _eventIsPointerPenTouch(event) {
     return this._supportPointerEvents && (event.pointerType === POINTER_TYPE_PEN || event.pointerType === POINTER_TYPE_TOUCH)
   }
diff --git a/js/src/util/template-factory.js b/js/src/util/template-factory.js
index a9cee1086..6d1532b4d 100644
--- a/js/src/util/template-factory.js
+++ b/js/src/util/template-factory.js
@@ -1,13 +1,14 @@
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v5.1.3): util/template-factory.js
+ * Bootstrap util/template-factory.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
  * --------------------------------------------------------------------------
  */
 
-import { DefaultAllowlist, sanitizeHtml } from './sanitizer'
-import { getElement, isElement, typeCheckConfig } from '../util/index'
-import SelectorEngine from '../dom/selector-engine'
+import SelectorEngine from '../dom/selector-engine.js'
+import Config from './config.js'
+import { DefaultAllowlist, sanitizeHtml } from './sanitizer.js'
+import { execute, getElement, isElement } from './index.js'
 
 /**
  * Constants
@@ -16,48 +17,53 @@ import SelectorEngine from '../dom/selector-engine'
 const NAME = 'TemplateFactory'
 
 const Default = {
-  extraClass: '',
-  template: '<div></div>',
+  allowList: DefaultAllowlist,
   content: {}, // { selector : text ,  selector2 : text2 , }
+  extraClass: '',
   html: false,
   sanitize: true,
   sanitizeFn: null,
-  allowList: DefaultAllowlist
+  template: '<div></div>'
 }
 
 const DefaultType = {
-  extraClass: '(string|function)',
-  template: 'string',
+  allowList: 'object',
   content: 'object',
+  extraClass: '(string|function)',
   html: 'boolean',
   sanitize: 'boolean',
   sanitizeFn: '(null|function)',
-  allowList: 'object'
+  template: 'string'
 }
 
 const DefaultContentType = {
-  selector: '(string|element)',
-  entry: '(string|element|function|null)'
+  entry: '(string|element|function|null)',
+  selector: '(string|element)'
 }
 
 /**
  * Class definition
  */
 
-class TemplateFactory {
+class TemplateFactory extends Config {
   constructor(config) {
+    super()
     this._config = this._getConfig(config)
   }
 
   // Getters
-  static get NAME() {
-    return NAME
-  }
-
   static get Default() {
     return Default
   }
 
+  static get DefaultType() {
+    return DefaultType
+  }
+
+  static get NAME() {
+    return NAME
+  }
+
   // Public
   getContent() {
     return Object.values(this._config.content)
@@ -94,21 +100,14 @@ class TemplateFactory {
   }
 
   // Private
-  _getConfig(config) {
-    config = {
-      ...Default,
-      ...(typeof config === 'object' ? config : {})
-    }
-
-    typeCheckConfig(NAME, config, DefaultType)
+  _typeCheckConfig(config) {
+    super._typeCheckConfig(config)
     this._checkContent(config.content)
-
-    return config
   }
 
   _checkContent(arg) {
     for (const [selector, content] of Object.entries(arg)) {
-      typeCheckConfig(NAME, { selector, entry: content }, DefaultContentType)
+      super._typeCheckConfig({ selector, entry: content }, DefaultContentType)
     }
   }
 
@@ -144,7 +143,7 @@ class TemplateFactory {
   }
 
   _resolvePossibleFunction(arg) {
-    return typeof arg === 'function' ? arg(this) : arg
+    return execute(arg, [undefined, this])
   }
 
   _putElementInTemplate(element, templateElement) {