4 files changed, 677 insertions, 0 deletions
diff --git a/vendor/twbs/bootstrap/js/src/util/backdrop.js b/vendor/twbs/bootstrap/js/src/util/backdrop.js
new file mode 100644
index 000000000..7ba7b4c43
--- /dev/null
+++ b/vendor/twbs/bootstrap/js/src/util/backdrop.js
@@ -0,0 +1,129 @@
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v5.0.2): util/backdrop.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+
+import EventHandler from '../dom/event-handler'
+import { execute, executeAfterTransition, getElement, reflow, typeCheckConfig } from './index'
+
+const Default = {
+  isVisible: true, // if false, we use the backdrop helper without adding any element to the dom
+  isAnimated: false,
+  rootElement: 'body', // give the choice to place backdrop under different elements
+  clickCallback: null
+}
+
+const DefaultType = {
+  isVisible: 'boolean',
+  isAnimated: 'boolean',
+  rootElement: '(element|string)',
+  clickCallback: '(function|null)'
+}
+const NAME = 'backdrop'
+const CLASS_NAME_BACKDROP = 'modal-backdrop'
+const CLASS_NAME_FADE = 'fade'
+const CLASS_NAME_SHOW = 'show'
+
+const EVENT_MOUSEDOWN = `mousedown.bs.${NAME}`
+
+class Backdrop {
+  constructor(config) {
+    this._config = this._getConfig(config)
+    this._isAppended = false
+    this._element = null
+  }
+
+  show(callback) {
+    if (!this._config.isVisible) {
+      execute(callback)
+      return
+    }
+
+    this._append()
+
+    if (this._config.isAnimated) {
+      reflow(this._getElement())
+    }
+
+    this._getElement().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)
+    })
+  }
+
+  // Private
+
+  _getElement() {
+    if (!this._element) {
+      const backdrop = document.createElement('div')
+      backdrop.className = CLASS_NAME_BACKDROP
+      if (this._config.isAnimated) {
+        backdrop.classList.add(CLASS_NAME_FADE)
+      }
+
+      this._element = backdrop
+    }
+
+    return this._element
+  }
+
+  _getConfig(config) {
+    config = {
+      ...Default,
+      ...(typeof config === 'object' ? 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
+  }
+
+  _append() {
+    if (this._isAppended) {
+      return
+    }
+
+    this._config.rootElement.appendChild(this._getElement())
+
+    EventHandler.on(this._getElement(), EVENT_MOUSEDOWN, () => {
+      execute(this._config.clickCallback)
+    })
+
+    this._isAppended = true
+  }
+
+  dispose() {
+    if (!this._isAppended) {
+      return
+    }
+
+    EventHandler.off(this._element, EVENT_MOUSEDOWN)
+
+    this._element.remove()
+    this._isAppended = false
+  }
+
+  _emulateAnimation(callback) {
+    executeAfterTransition(callback, this._getElement(), this._config.isAnimated)
+  }
+}
+
+export default Backdrop
diff --git a/vendor/twbs/bootstrap/js/src/util/index.js b/vendor/twbs/bootstrap/js/src/util/index.js
new file mode 100644
index 000000000..7c317b016
--- /dev/null
+++ b/vendor/twbs/bootstrap/js/src/util/index.js
@@ -0,0 +1,324 @@
+import SelectorEngine from '../dom/selector-engine'
+
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v5.0.2): util/index.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+
+const MAX_UID = 1000000
+const MILLISECONDS_MULTIPLIER = 1000
+const TRANSITION_END = 'transitionend'
+
+// Shoutout AngusCroll (https://goo.gl/pxwQGp)
+const toType = obj => {
+  if (obj === null || obj === undefined) {
+    return `${obj}`
+  }
+
+  return {}.toString.call(obj).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 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
+  }
+
+  // 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 = obj => {
+  if (!obj || typeof obj !== 'object') {
+    return false
+  }
+
+  if (typeof obj.jquery !== 'undefined') {
+    obj = obj[0]
+  }
+
+  return typeof obj.nodeType !== 'undefined'
+}
+
+const getElement = obj => {
+  if (isElement(obj)) { // it's a jQuery object or a node element
+    return obj.jquery ? obj[0] : obj
+  }
+
+  if (typeof obj === 'string' && obj.length > 0) {
+    return SelectorEngine.findOne(obj)
+  }
+
+  return null
+}
+
+const typeCheckConfig = (componentName, config, configTypes) => {
+  Object.keys(configTypes).forEach(property => {
+    const expectedTypes = configTypes[property]
+    const value = config[property]
+    const valueType = value && isElement(value) ? 'element' : toType(value)
+
+    if (!new RegExp(expectedTypes).test(valueType)) {
+      throw new TypeError(
+        `${componentName.toUpperCase()}: Option "${property}" provided type "${valueType}" but expected type "${expectedTypes}".`
+      )
+    }
+  })
+}
+
+const isVisible = element => {
+  if (!isElement(element) || element.getClientRects().length === 0) {
+    return false
+  }
+
+  return getComputedStyle(element).getPropertyValue('visibility') === 'visible'
+}
+
+const isDisabled = element => {
+  if (!element || element.nodeType !== Node.ELEMENT_NODE) {
+    return true
+  }
+
+  if (element.classList.contains('disabled')) {
+    return true
+  }
+
+  if (typeof element.disabled !== 'undefined') {
+    return element.disabled
+  }
+
+  return element.hasAttribute('disabled') && element.getAttribute('disabled') !== 'false'
+}
+
+const 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 = () => {}
+
+const reflow = element => element.offsetHeight
+
+const getjQuery = () => {
+  const { jQuery } = window
+
+  if (jQuery && !document.body.hasAttribute('data-bs-no-jquery')) {
+    return jQuery
+  }
+
+  return null
+}
+
+const DOMContentLoadedCallbacks = []
+
+const onDOMContentLoaded = callback => {
+  if (document.readyState === 'loading') {
+    // add listener on the first call when the document is in loading state
+    if (!DOMContentLoadedCallbacks.length) {
+      document.addEventListener('DOMContentLoaded', () => {
+        DOMContentLoadedCallbacks.forEach(callback => callback())
+      })
+    }
+
+    DOMContentLoadedCallbacks.push(callback)
+  } else {
+    callback()
+  }
+}
+
+const isRTL = () => document.documentElement.dir === 'rtl'
+
+const defineJQueryPlugin = plugin => {
+  onDOMContentLoaded(() => {
+    const $ = getjQuery()
+    /* istanbul ignore if */
+    if ($) {
+      const name = plugin.NAME
+      const JQUERY_NO_CONFLICT = $.fn[name]
+      $.fn[name] = plugin.jQueryInterface
+      $.fn[name].Constructor = plugin
+      $.fn[name].noConflict = () => {
+        $.fn[name] = JQUERY_NO_CONFLICT
+        return plugin.jQueryInterface
+      }
+    }
+  })
+}
+
+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) => {
+  let index = list.indexOf(activeElement)
+
+  // if the element does not exist in the list return an element depending on the direction and if cycle is allowed
+  if (index === -1) {
+    return list[!shouldGetNext && isCycleAllowed ? list.length - 1 : 0]
+  }
+
+  const listLength = list.length
+
+  index += shouldGetNext ? 1 : -1
+
+  if (isCycleAllowed) {
+    index = (index + listLength) % listLength
+  }
+
+  return list[Math.max(0, Math.min(index, listLength - 1))]
+}
+
+export {
+  getElement,
+  getUID,
+  getSelectorFromElement,
+  getElementFromSelector,
+  getTransitionDurationFromElement,
+  triggerTransitionEnd,
+  isElement,
+  typeCheckConfig,
+  isVisible,
+  isDisabled,
+  findShadowRoot,
+  noop,
+  getNextActiveElement,
+  reflow,
+  getjQuery,
+  onDOMContentLoaded,
+  isRTL,
+  defineJQueryPlugin,
+  execute,
+  executeAfterTransition
+}
diff --git a/vendor/twbs/bootstrap/js/src/util/sanitizer.js b/vendor/twbs/bootstrap/js/src/util/sanitizer.js
new file mode 100644
index 000000000..49f66417d
--- /dev/null
+++ b/vendor/twbs/bootstrap/js/src/util/sanitizer.js
@@ -0,0 +1,127 @@
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v5.0.2): util/sanitizer.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+
+const uriAttrs = 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.
+ *
+ * Shoutout to Angular 7 https://github.com/angular/angular/blob/7.2.4/packages/core/src/sanitization/url_sanitizer.ts
+ */
+const SAFE_URL_PATTERN = /^(?:(?:https?|mailto|ftp|tel|file):|[^#&/:?]*(?:[#/?]|$))/i
+
+/**
+ * A pattern that matches safe data URLs. Only matches image, video and audio types.
+ *
+ * Shoutout to Angular 7 https://github.com/angular/angular/blob/7.2.4/packages/core/src/sanitization/url_sanitizer.ts
+ */
+const DATA_URL_PATTERN = /^data:(?:image\/(?:bmp|gif|jpeg|jpg|png|tiff|webp)|video\/(?:mpeg|mp4|ogg|webm)|audio\/(?:mp3|oga|ogg|opus));base64,[\d+/a-z]+=*$/i
+
+const allowedAttribute = (attr, allowedAttributeList) => {
+  const attrName = attr.nodeName.toLowerCase()
+
+  if (allowedAttributeList.includes(attrName)) {
+    if (uriAttrs.has(attrName)) {
+      return Boolean(SAFE_URL_PATTERN.test(attr.nodeValue) || DATA_URL_PATTERN.test(attr.nodeValue))
+    }
+
+    return true
+  }
+
+  const regExp = allowedAttributeList.filter(attrRegex => attrRegex instanceof RegExp)
+
+  // Check if a regular expression validates the attribute.
+  for (let i = 0, len = regExp.length; i < len; i++) {
+    if (regExp[i].test(attrName)) {
+      return true
+    }
+  }
+
+  return false
+}
+
+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, sanitizeFn) {
+  if (!unsafeHtml.length) {
+    return unsafeHtml
+  }
+
+  if (sanitizeFn && typeof sanitizeFn === 'function') {
+    return sanitizeFn(unsafeHtml)
+  }
+
+  const domParser = new window.DOMParser()
+  const createdDocument = domParser.parseFromString(unsafeHtml, 'text/html')
+  const allowlistKeys = Object.keys(allowList)
+  const elements = [].concat(...createdDocument.body.querySelectorAll('*'))
+
+  for (let i = 0, len = elements.length; i < len; i++) {
+    const el = elements[i]
+    const elName = el.nodeName.toLowerCase()
+
+    if (!allowlistKeys.includes(elName)) {
+      el.remove()
+
+      continue
+    }
+
+    const attributeList = [].concat(...el.attributes)
+    const allowedAttributes = [].concat(allowList['*'] || [], allowList[elName] || [])
+
+    attributeList.forEach(attr => {
+      if (!allowedAttribute(attr, allowedAttributes)) {
+        el.removeAttribute(attr.nodeName)
+      }
+    })
+  }
+
+  return createdDocument.body.innerHTML
+}
diff --git a/vendor/twbs/bootstrap/js/src/util/scrollbar.js b/vendor/twbs/bootstrap/js/src/util/scrollbar.js
new file mode 100644
index 000000000..fad9766ac
--- /dev/null
+++ b/vendor/twbs/bootstrap/js/src/util/scrollbar.js
@@ -0,0 +1,97 @@
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v5.0.2): 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'
+
+const SELECTOR_FIXED_CONTENT = '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top'
+const SELECTOR_STICKY_CONTENT = '.sticky-top'
+
+class ScrollBarHelper {
+  constructor() {
+    this._element = document.body
+  }
+
+  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, 'paddingRight', 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)
+  }
+
+  _disableOverFlow() {
+    this._saveInitialAttribute(this._element, 'overflow')
+    this._element.style.overflow = 'hidden'
+  }
+
+  _setElementAttributes(selector, styleProp, 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._applyManipulationCallback(selector, manipulationCallBack)
+  }
+
+  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
+      }
+    }
+
+    this._applyManipulationCallback(selector, manipulationCallBack)
+  }
+
+  _applyManipulationCallback(selector, callBack) {
+    if (isElement(selector)) {
+      callBack(selector)
+    } else {
+      SelectorEngine.find(selector, this._element).forEach(callBack)
+    }
+  }
+
+  isOverflowing() {
+    return this.getWidth() > 0
+  }
+}
+
+export default ScrollBarHelper