9 files changed, 1238 insertions, 0 deletions
diff --git a/js/src/util/backdrop.js b/js/src/util/backdrop.js
new file mode 100644
index 0000000..78279e0
--- /dev/null
+++ b/js/src/util/backdrop.js
@@ -0,0 +1,149 @@
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v5.2.3): 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 } from './index'
+import Config from './config'
+
+/**
+ * Constants
+ */
+
+const NAME = 'backdrop'
+const CLASS_NAME_FADE = 'fade'
+const CLASS_NAME_SHOW = 'show'
+const EVENT_MOUSEDOWN = `mousedown.bs.${NAME}`
+
+const Default = {
+  className: 'modal-backdrop',
+  clickCallback: null,
+  isAnimated: false,
+  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',
+  clickCallback: '(function|null)',
+  isAnimated: 'boolean',
+  isVisible: 'boolean',
+  rootElement: '(element|string)'
+}
+
+/**
+ * Class definition
+ */
+
+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) {
+      execute(callback)
+      return
+    }
+
+    this._append()
+
+    const element = this._getElement()
+    if (this._config.isAnimated) {
+      reflow(element)
+    }
+
+    element.classList.add(CLASS_NAME_SHOW)
+
+    this._emulateAnimation(() => {
+      execute(callback)
+    })
+  }
+
+  hide(callback) {
+    if (!this._config.isVisible) {
+      execute(callback)
+      return
+    }
+
+    this._getElement().classList.remove(CLASS_NAME_SHOW)
+
+    this._emulateAnimation(() => {
+      this.dispose()
+      execute(callback)
+    })
+  }
+
+  dispose() {
+    if (!this._isAppended) {
+      return
+    }
+
+    EventHandler.off(this._element, EVENT_MOUSEDOWN)
+
+    this._element.remove()
+    this._isAppended = false
+  }
+
+  // Private
+  _getElement() {
+    if (!this._element) {
+      const backdrop = document.createElement('div')
+      backdrop.className = this._config.className
+      if (this._config.isAnimated) {
+        backdrop.classList.add(CLASS_NAME_FADE)
+      }
+
+      this._element = backdrop
+    }
+
+    return this._element
+  }
+
+  _configAfterMerge(config) {
+    // use getElement() with the default "body" to get a fresh Element on each instantiation
+    config.rootElement = getElement(config.rootElement)
+    return config
+  }
+
+  _append() {
+    if (this._isAppended) {
+      return
+    }
+
+    const element = this._getElement()
+    this._config.rootElement.append(element)
+
+    EventHandler.on(element, EVENT_MOUSEDOWN, () => {
+      execute(this._config.clickCallback)
+    })
+
+    this._isAppended = true
+  }
+
+  _emulateAnimation(callback) {
+    executeAfterTransition(callback, this._getElement(), this._config.isAnimated)
+  }
+}
+
+export default Backdrop
diff --git a/js/src/util/component-functions.js b/js/src/util/component-functions.js
new file mode 100644
index 0000000..c2f99cc
--- /dev/null
+++ b/js/src/util/component-functions.js
@@ -0,0 +1,34 @@
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v5.2.3): 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'
+
+const enableDismissTrigger = (component, method = 'hide') => {
+  const clickEvent = `click.dismiss${component.EVENT_KEY}`
+  const name = component.NAME
+
+  EventHandler.on(document, clickEvent, `[data-bs-dismiss="${name}"]`, function (event) {
+    if (['A', 'AREA'].includes(this.tagName)) {
+      event.preventDefault()
+    }
+
+    if (isDisabled(this)) {
+      return
+    }
+
+    const target = getElementFromSelector(this) || this.closest(`.${name}`)
+    const instance = component.getOrCreateInstance(target)
+
+    // Method argument is left, for Alert and only, as it doesn't implement the 'hide' method
+    instance[method]()
+  })
+}
+
+export {
+  enableDismissTrigger
+}
diff --git a/js/src/util/config.js b/js/src/util/config.js
new file mode 100644
index 0000000..1205905
--- /dev/null
+++ b/js/src/util/config.js
@@ -0,0 +1,66 @@
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v5.2.3): util/config.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+
+import { isElement, toType } from './index'
+import Manipulator from '../dom/manipulator'
+
+/**
+ * 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 of Object.keys(configTypes)) {
+      const expectedTypes = configTypes[property]
+      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
new file mode 100644
index 0000000..ef69166
--- /dev/null
+++ b/js/src/util/focustrap.js
@@ -0,0 +1,115 @@
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v5.2.3): 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 Config from './config'
+
+/**
+ * Constants
+ */
+
+const NAME = 'focustrap'
+const DATA_KEY = 'bs.focustrap'
+const EVENT_KEY = `.${DATA_KEY}`
+const EVENT_FOCUSIN = `focusin${EVENT_KEY}`
+const EVENT_KEYDOWN_TAB = `keydown.tab${EVENT_KEY}`
+
+const TAB_KEY = 'Tab'
+const TAB_NAV_FORWARD = 'forward'
+const TAB_NAV_BACKWARD = 'backward'
+
+const Default = {
+  autofocus: true,
+  trapElement: null // The element to trap focus inside of
+}
+
+const DefaultType = {
+  autofocus: 'boolean',
+  trapElement: 'element'
+}
+
+/**
+ * Class definition
+ */
+
+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() {
+    if (this._isActive) {
+      return
+    }
+
+    if (this._config.autofocus) {
+      this._config.trapElement.focus()
+    }
+
+    EventHandler.off(document, EVENT_KEY) // guard against infinite focus loop
+    EventHandler.on(document, EVENT_FOCUSIN, event => this._handleFocusin(event))
+    EventHandler.on(document, EVENT_KEYDOWN_TAB, event => this._handleKeydown(event))
+
+    this._isActive = true
+  }
+
+  deactivate() {
+    if (!this._isActive) {
+      return
+    }
+
+    this._isActive = false
+    EventHandler.off(document, EVENT_KEY)
+  }
+
+  // Private
+  _handleFocusin(event) {
+    const { trapElement } = this._config
+
+    if (event.target === document || event.target === trapElement || trapElement.contains(event.target)) {
+      return
+    }
+
+    const elements = SelectorEngine.focusableChildren(trapElement)
+
+    if (elements.length === 0) {
+      trapElement.focus()
+    } else if (this._lastTabNavDirection === TAB_NAV_BACKWARD) {
+      elements[elements.length - 1].focus()
+    } else {
+      elements[0].focus()
+    }
+  }
+
+  _handleKeydown(event) {
+    if (event.key !== TAB_KEY) {
+      return
+    }
+
+    this._lastTabNavDirection = event.shiftKey ? TAB_NAV_BACKWARD : TAB_NAV_FORWARD
+  }
+}
+
+export default FocusTrap
diff --git a/js/src/util/index.js b/js/src/util/index.js
new file mode 100644
index 0000000..297e571
--- /dev/null
+++ b/js/src/util/index.js
@@ -0,0 +1,336 @@
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v5.2.3): util/index.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+
+const MAX_UID = 1_000_000
+const MILLISECONDS_MULTIPLIER = 1000
+const TRANSITION_END = 'transitionend'
+
+// Shout-out Angus Croll (https://goo.gl/pxwQGp)
+const toType = object => {
+  if (object === null || object === undefined) {
+    return `${object}`
+  }
+
+  return Object.prototype.toString.call(object).match(/\s([a-z]+)/i)[1].toLowerCase()
+}
+
+/**
+ * Public Util API
+ */
+
+const getUID = prefix => {
+  do {
+    prefix += Math.floor(Math.random() * MAX_UID)
+  } while (document.getElementById(prefix))
+
+  return prefix
+}
+
+const getSelector = element => {
+  let selector = element.getAttribute('data-bs-target')
+
+  if (!selector || selector === '#') {
+    let hrefAttribute = 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 (!hrefAttribute || (!hrefAttribute.includes('#') && !hrefAttribute.startsWith('.'))) {
+      return null
+    }
+
+    // Just in case some CMS puts out a full URL with the anchor appended
+    if (hrefAttribute.includes('#') && !hrefAttribute.startsWith('#')) {
+      hrefAttribute = `#${hrefAttribute.split('#')[1]}`
+    }
+
+    selector = hrefAttribute && hrefAttribute !== '#' ? hrefAttribute.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
+  }
+
+  // Get transition-duration of the element
+  let { transitionDuration, transitionDelay } = window.getComputedStyle(element)
+
+  const floatTransitionDuration = Number.parseFloat(transitionDuration)
+  const floatTransitionDelay = Number.parseFloat(transitionDelay)
+
+  // Return 0 if element or transition duration is not found
+  if (!floatTransitionDuration && !floatTransitionDelay) {
+    return 0
+  }
+
+  // If multiple durations are defined, take the first
+  transitionDuration = transitionDuration.split(',')[0]
+  transitionDelay = transitionDelay.split(',')[0]
+
+  return (Number.parseFloat(transitionDuration) + Number.parseFloat(transitionDelay)) * MILLISECONDS_MULTIPLIER
+}
+
+const triggerTransitionEnd = element => {
+  element.dispatchEvent(new Event(TRANSITION_END))
+}
+
+const isElement = object => {
+  if (!object || typeof object !== 'object') {
+    return false
+  }
+
+  if (typeof object.jquery !== 'undefined') {
+    object = object[0]
+  }
+
+  return typeof object.nodeType !== 'undefined'
+}
+
+const getElement = object => {
+  // it's a jQuery object or a node element
+  if (isElement(object)) {
+    return object.jquery ? object[0] : object
+  }
+
+  if (typeof object === 'string' && object.length > 0) {
+    return document.querySelector(object)
+  }
+
+  return null
+}
+
+const isVisible = element => {
+  if (!isElement(element) || element.getClientRects().length === 0) {
+    return false
+  }
+
+  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 => {
+  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 findShadowRoot = element => {
+  if (!document.documentElement.attachShadow) {
+    return null
+  }
+
+  // Can find the shadow root otherwise it'll return the document
+  if (typeof element.getRootNode === 'function') {
+    const root = element.getRootNode()
+    return root instanceof ShadowRoot ? root : null
+  }
+
+  if (element instanceof ShadowRoot) {
+    return element
+  }
+
+  // when we don't find a shadow root
+  if (!element.parentNode) {
+    return null
+  }
+
+  return findShadowRoot(element.parentNode)
+}
+
+const noop = () => {}
+
+/**
+ * Trick to restart an element's animation
+ *
+ * @param {HTMLElement} element
+ * @return void
+ *
+ * @see https://www.charistheo.io/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 = () => {
+  if (window.jQuery && !document.body.hasAttribute('data-bs-no-jquery')) {
+    return window.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', () => {
+        for (const callback of DOMContentLoadedCallbacks) {
+          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
+      }
+    }
+  })
+}
+
+const execute = callback => {
+  if (typeof callback === 'function') {
+    callback()
+  }
+}
+
+const executeAfterTransition = (callback, transitionElement, waitForTransition = true) => {
+  if (!waitForTransition) {
+    execute(callback)
+    return
+  }
+
+  const durationPadding = 5
+  const emulatedDuration = getTransitionDurationFromElement(transitionElement) + durationPadding
+
+  let called = false
+
+  const handler = ({ target }) => {
+    if (target !== transitionElement) {
+      return
+    }
+
+    called = true
+    transitionElement.removeEventListener(TRANSITION_END, handler)
+    execute(callback)
+  }
+
+  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
+ */
+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 (index === -1) {
+    return !shouldGetNext && isCycleAllowed ? list[listLength - 1] : list[0]
+  }
+
+  index += shouldGetNext ? 1 : -1
+
+  if (isCycleAllowed) {
+    index = (index + listLength) % listLength
+  }
+
+  return list[Math.max(0, Math.min(index, listLength - 1))]
+}
+
+export {
+  defineJQueryPlugin,
+  execute,
+  executeAfterTransition,
+  findShadowRoot,
+  getElement,
+  getElementFromSelector,
+  getjQuery,
+  getNextActiveElement,
+  getSelectorFromElement,
+  getTransitionDurationFromElement,
+  getUID,
+  isDisabled,
+  isElement,
+  isRTL,
+  isVisible,
+  noop,
+  onDOMContentLoaded,
+  reflow,
+  triggerTransitionEnd,
+  toType
+}
diff --git a/js/src/util/sanitizer.js b/js/src/util/sanitizer.js
new file mode 100644
index 0000000..5328691
--- /dev/null
+++ b/js/src/util/sanitizer.js
@@ -0,0 +1,118 @@
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v5.2.3): 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'
+])
+
+const ARIA_ATTRIBUTE_PATTERN = /^aria-[\w-]*$/i
+
+/**
+ * A pattern that recognizes a commonly useful subset of URLs that are safe.
+ *
+ * Shout-out 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):|[^#&/:?]*(?:[#/?]|$))/i
+
+/**
+ * A pattern that matches safe data URLs. Only matches image, video and audio types.
+ *
+ * Shout-out to Angular https://github.com/angular/angular/blob/12.2.x/packages/core/src/sanitization/url_sanitizer.ts
+ */
+const DATA_URL_PATTERN = /^data:(?:image\/(?:bmp|gif|jpeg|jpg|png|tiff|webp)|video\/(?:mpeg|mp4|ogg|webm)|audio\/(?:mp3|oga|ogg|opus));base64,[\d+/a-z]+=*$/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],
+  a: ['target', 'href', 'title', 'rel'],
+  area: [],
+  b: [],
+  br: [],
+  col: [],
+  code: [],
+  div: [],
+  em: [],
+  hr: [],
+  h1: [],
+  h2: [],
+  h3: [],
+  h4: [],
+  h5: [],
+  h6: [],
+  i: [],
+  img: ['src', 'srcset', 'alt', 'title', 'width', 'height'],
+  li: [],
+  ol: [],
+  p: [],
+  pre: [],
+  s: [],
+  small: [],
+  span: [],
+  sub: [],
+  sup: [],
+  strong: [],
+  u: [],
+  ul: []
+}
+
+export function sanitizeHtml(unsafeHtml, allowList, sanitizeFunction) {
+  if (!unsafeHtml.length) {
+    return unsafeHtml
+  }
+
+  if (sanitizeFunction && typeof sanitizeFunction === 'function') {
+    return sanitizeFunction(unsafeHtml)
+  }
+
+  const domParser = new window.DOMParser()
+  const createdDocument = domParser.parseFromString(unsafeHtml, 'text/html')
+  const elements = [].concat(...createdDocument.body.querySelectorAll('*'))
+
+  for (const element of elements) {
+    const elementName = element.nodeName.toLowerCase()
+
+    if (!Object.keys(allowList).includes(elementName)) {
+      element.remove()
+
+      continue
+    }
+
+    const attributeList = [].concat(...element.attributes)
+    const allowedAttributes = [].concat(allowList['*'] || [], allowList[elementName] || [])
+
+    for (const attribute of attributeList) {
+      if (!allowedAttribute(attribute, allowedAttributes)) {
+        element.removeAttribute(attribute.nodeName)
+      }
+    }
+  }
+
+  return createdDocument.body.innerHTML
+}
diff --git a/js/src/util/scrollbar.js b/js/src/util/scrollbar.js
new file mode 100644
index 0000000..5cac7b6
--- /dev/null
+++ b/js/src/util/scrollbar.js
@@ -0,0 +1,114 @@
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v5.2.3): 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'
+
+/**
+ * Constants
+ */
+
+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
+ */
+
+class ScrollBarHelper {
+  constructor() {
+    this._element = document.body
+  }
+
+  // Public
+  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()
+    this._disableOverFlow()
+    // give padding to element to balance the hidden scrollbar 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, 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, PROPERTY_PADDING)
+    this._resetElementAttributes(SELECTOR_FIXED_CONTENT, PROPERTY_PADDING)
+    this._resetElementAttributes(SELECTOR_STICKY_CONTENT, PROPERTY_MARGIN)
+  }
+
+  isOverflowing() {
+    return this.getWidth() > 0
+  }
+
+  // Private
+  _disableOverFlow() {
+    this._saveInitialAttribute(this._element, 'overflow')
+    this._element.style.overflow = 'hidden'
+  }
+
+  _setElementAttributes(selector, styleProperty, callback) {
+    const scrollbarWidth = this.getWidth()
+    const manipulationCallBack = element => {
+      if (element !== this._element && window.innerWidth > element.clientWidth + scrollbarWidth) {
+        return
+      }
+
+      this._saveInitialAttribute(element, styleProperty)
+      const calculatedValue = window.getComputedStyle(element).getPropertyValue(styleProperty)
+      element.style.setProperty(styleProperty, `${callback(Number.parseFloat(calculatedValue))}px`)
+    }
+
+    this._applyManipulationCallback(selector, manipulationCallBack)
+  }
+
+  _saveInitialAttribute(element, styleProperty) {
+    const actualValue = element.style.getPropertyValue(styleProperty)
+    if (actualValue) {
+      Manipulator.setDataAttribute(element, styleProperty, actualValue)
+    }
+  }
+
+  _resetElementAttributes(selector, styleProperty) {
+    const manipulationCallBack = element => {
+      const value = Manipulator.getDataAttribute(element, styleProperty)
+      // We only want to remove the property if the value is `null`; the value can also be zero
+      if (value === null) {
+        element.style.removeProperty(styleProperty)
+        return
+      }
+
+      Manipulator.removeDataAttribute(element, styleProperty)
+      element.style.setProperty(styleProperty, value)
+    }
+
+    this._applyManipulationCallback(selector, manipulationCallBack)
+  }
+
+  _applyManipulationCallback(selector, callBack) {
+    if (isElement(selector)) {
+      callBack(selector)
+      return
+    }
+
+    for (const sel of SelectorEngine.find(selector, this._element)) {
+      callBack(sel)
+    }
+  }
+}
+
+export default ScrollBarHelper
diff --git a/js/src/util/swipe.js b/js/src/util/swipe.js
new file mode 100644
index 0000000..7126360
--- /dev/null
+++ b/js/src/util/swipe.js
@@ -0,0 +1,146 @@
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v5.2.3): util/swipe.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+
+import Config from './config'
+import EventHandler from '../dom/event-handler'
+import { execute } from './index'
+
+/**
+ * Constants
+ */
+
+const NAME = 'swipe'
+const EVENT_KEY = '.bs.swipe'
+const EVENT_TOUCHSTART = `touchstart${EVENT_KEY}`
+const EVENT_TOUCHMOVE = `touchmove${EVENT_KEY}`
+const EVENT_TOUCHEND = `touchend${EVENT_KEY}`
+const EVENT_POINTERDOWN = `pointerdown${EVENT_KEY}`
+const EVENT_POINTERUP = `pointerup${EVENT_KEY}`
+const POINTER_TYPE_TOUCH = 'touch'
+const POINTER_TYPE_PEN = 'pen'
+const CLASS_NAME_POINTER_EVENT = 'pointer-event'
+const SWIPE_THRESHOLD = 40
+
+const Default = {
+  endCallback: null,
+  leftCallback: null,
+  rightCallback: null
+}
+
+const DefaultType = {
+  endCallback: '(function|null)',
+  leftCallback: '(function|null)',
+  rightCallback: '(function|null)'
+}
+
+/**
+ * Class definition
+ */
+
+class Swipe extends Config {
+  constructor(element, config) {
+    super()
+    this._element = element
+
+    if (!element || !Swipe.isSupported()) {
+      return
+    }
+
+    this._config = this._getConfig(config)
+    this._deltaX = 0
+    this._supportPointerEvents = Boolean(window.PointerEvent)
+    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)
+  }
+
+  // Private
+  _start(event) {
+    if (!this._supportPointerEvents) {
+      this._deltaX = event.touches[0].clientX
+
+      return
+    }
+
+    if (this._eventIsPointerPenTouch(event)) {
+      this._deltaX = event.clientX
+    }
+  }
+
+  _end(event) {
+    if (this._eventIsPointerPenTouch(event)) {
+      this._deltaX = event.clientX - this._deltaX
+    }
+
+    this._handleSwipe()
+    execute(this._config.endCallback)
+  }
+
+  _move(event) {
+    this._deltaX = event.touches && event.touches.length > 1 ?
+      0 :
+      event.touches[0].clientX - this._deltaX
+  }
+
+  _handleSwipe() {
+    const absDeltaX = Math.abs(this._deltaX)
+
+    if (absDeltaX <= SWIPE_THRESHOLD) {
+      return
+    }
+
+    const direction = absDeltaX / this._deltaX
+
+    this._deltaX = 0
+
+    if (!direction) {
+      return
+    }
+
+    execute(direction > 0 ? this._config.rightCallback : this._config.leftCallback)
+  }
+
+  _initEvents() {
+    if (this._supportPointerEvents) {
+      EventHandler.on(this._element, EVENT_POINTERDOWN, event => this._start(event))
+      EventHandler.on(this._element, EVENT_POINTERUP, event => this._end(event))
+
+      this._element.classList.add(CLASS_NAME_POINTER_EVENT)
+    } else {
+      EventHandler.on(this._element, EVENT_TOUCHSTART, event => this._start(event))
+      EventHandler.on(this._element, EVENT_TOUCHMOVE, event => this._move(event))
+      EventHandler.on(this._element, EVENT_TOUCHEND, event => this._end(event))
+    }
+  }
+
+  _eventIsPointerPenTouch(event) {
+    return this._supportPointerEvents && (event.pointerType === POINTER_TYPE_PEN || event.pointerType === POINTER_TYPE_TOUCH)
+  }
+
+  // Static
+  static isSupported() {
+    return 'ontouchstart' in document.documentElement || navigator.maxTouchPoints > 0
+  }
+}
+
+export default Swipe
diff --git a/js/src/util/template-factory.js b/js/src/util/template-factory.js
new file mode 100644
index 0000000..cf402fa
--- /dev/null
+++ b/js/src/util/template-factory.js
@@ -0,0 +1,160 @@
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v5.2.3): util/template-factory.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+
+import { DefaultAllowlist, sanitizeHtml } from './sanitizer'
+import { getElement, isElement } from '../util/index'
+import SelectorEngine from '../dom/selector-engine'
+import Config from './config'
+
+/**
+ * Constants
+ */
+
+const NAME = 'TemplateFactory'
+
+const Default = {
+  allowList: DefaultAllowlist,
+  content: {}, // { selector : text ,  selector2 : text2 , }
+  extraClass: '',
+  html: false,
+  sanitize: true,
+  sanitizeFn: null,
+  template: '<div></div>'
+}
+
+const DefaultType = {
+  allowList: 'object',
+  content: 'object',
+  extraClass: '(string|function)',
+  html: 'boolean',
+  sanitize: 'boolean',
+  sanitizeFn: '(null|function)',
+  template: 'string'
+}
+
+const DefaultContentType = {
+  entry: '(string|element|function|null)',
+  selector: '(string|element)'
+}
+
+/**
+ * Class definition
+ */
+
+class TemplateFactory extends Config {
+  constructor(config) {
+    super()
+    this._config = this._getConfig(config)
+  }
+
+  // Getters
+  static get Default() {
+    return Default
+  }
+
+  static get DefaultType() {
+    return DefaultType
+  }
+
+  static get NAME() {
+    return NAME
+  }
+
+  // Public
+  getContent() {
+    return Object.values(this._config.content)
+      .map(config => this._resolvePossibleFunction(config))
+      .filter(Boolean)
+  }
+
+  hasContent() {
+    return this.getContent().length > 0
+  }
+
+  changeContent(content) {
+    this._checkContent(content)
+    this._config.content = { ...this._config.content, ...content }
+    return this
+  }
+
+  toHtml() {
+    const templateWrapper = document.createElement('div')
+    templateWrapper.innerHTML = this._maybeSanitize(this._config.template)
+
+    for (const [selector, text] of Object.entries(this._config.content)) {
+      this._setContent(templateWrapper, text, selector)
+    }
+
+    const template = templateWrapper.children[0]
+    const extraClass = this._resolvePossibleFunction(this._config.extraClass)
+
+    if (extraClass) {
+      template.classList.add(...extraClass.split(' '))
+    }
+
+    return template
+  }
+
+  // Private
+  _typeCheckConfig(config) {
+    super._typeCheckConfig(config)
+    this._checkContent(config.content)
+  }
+
+  _checkContent(arg) {
+    for (const [selector, content] of Object.entries(arg)) {
+      super._typeCheckConfig({ selector, entry: content }, DefaultContentType)
+    }
+  }
+
+  _setContent(template, content, selector) {
+    const templateElement = SelectorEngine.findOne(selector, template)
+
+    if (!templateElement) {
+      return
+    }
+
+    content = this._resolvePossibleFunction(content)
+
+    if (!content) {
+      templateElement.remove()
+      return
+    }
+
+    if (isElement(content)) {
+      this._putElementInTemplate(getElement(content), templateElement)
+      return
+    }
+
+    if (this._config.html) {
+      templateElement.innerHTML = this._maybeSanitize(content)
+      return
+    }
+
+    templateElement.textContent = content
+  }
+
+  _maybeSanitize(arg) {
+    return this._config.sanitize ? sanitizeHtml(arg, this._config.allowList, this._config.sanitizeFn) : arg
+  }
+
+  _resolvePossibleFunction(arg) {
+    return typeof arg === 'function' ? arg(this) : arg
+  }
+
+  _putElementInTemplate(element, templateElement) {
+    if (this._config.html) {
+      templateElement.innerHTML = ''
+      templateElement.append(element)
+      return
+    }
+
+    templateElement.textContent = element.textContent
+  }
+}
+
+export default TemplateFactory