rewrite dropdown unit tests

1 files changed, 0 insertions, 559 deletions

diff --git a/js/src/dropdown.js b/js/src/dropdown.js
deleted file mode 100644
index 729b64732..000000000
--- a/js/src/dropdown.js
+++ /dev/null
@@ -1,559 +0,0 @@
-/**
- * --------------------------------------------------------------------------
- * Bootstrap (v4.3.1): dropdown.js
- * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
- * --------------------------------------------------------------------------
- */
-
-import {
-  jQuery as $,
-  getSelectorFromElement,
-  isElement,
-  makeArray,
-  noop,
-  typeCheckConfig
-} from './util/index'
-import Data from './dom/data'
-import EventHandler from './dom/event-handler'
-import Manipulator from './dom/manipulator'
-import Popper from 'popper.js'
-import SelectorEngine from './dom/selector-engine'
-
-/**
- * ------------------------------------------------------------------------
- * Constants
- * ------------------------------------------------------------------------
- */
-
-const NAME = 'dropdown'
-const VERSION = '4.3.1'
-const DATA_KEY = 'bs.dropdown'
-const EVENT_KEY = `.${DATA_KEY}`
-const DATA_API_KEY = '.data-api'
-const ESCAPE_KEYCODE = 27 // KeyboardEvent.which value for Escape (Esc) key
-const SPACE_KEYCODE = 32 // KeyboardEvent.which value for space key
-const TAB_KEYCODE = 9 // KeyboardEvent.which value for tab key
-const ARROW_UP_KEYCODE = 38 // KeyboardEvent.which value for up arrow key
-const ARROW_DOWN_KEYCODE = 40 // KeyboardEvent.which value for down arrow key
-const RIGHT_MOUSE_BUTTON_WHICH = 3 // MouseEvent.which value for the right button (assuming a right-handed mouse)
-const REGEXP_KEYDOWN = new RegExp(`${ARROW_UP_KEYCODE}|${ARROW_DOWN_KEYCODE}|${ESCAPE_KEYCODE}`)
-
-const Event = {
-  HIDE: `hide${EVENT_KEY}`,
-  HIDDEN: `hidden${EVENT_KEY}`,
-  SHOW: `show${EVENT_KEY}`,
-  SHOWN: `shown${EVENT_KEY}`,
-  CLICK: `click${EVENT_KEY}`,
-  CLICK_DATA_API: `click${EVENT_KEY}${DATA_API_KEY}`,
-  KEYDOWN_DATA_API: `keydown${EVENT_KEY}${DATA_API_KEY}`,
-  KEYUP_DATA_API: `keyup${EVENT_KEY}${DATA_API_KEY}`
-}
-
-const ClassName = {
-  DISABLED: 'disabled',
-  SHOW: 'show',
-  DROPUP: 'dropup',
-  DROPRIGHT: 'dropright',
-  DROPLEFT: 'dropleft',
-  MENURIGHT: 'dropdown-menu-right',
-  POSITION_STATIC: 'position-static'
-}
-
-const Selector = {
-  DATA_TOGGLE: '[data-toggle="dropdown"]',
-  FORM_CHILD: '.dropdown form',
-  MENU: '.dropdown-menu',
-  NAVBAR_NAV: '.navbar-nav',
-  VISIBLE_ITEMS: '.dropdown-menu .dropdown-item:not(.disabled):not(:disabled)'
-}
-
-const AttachmentMap = {
-  TOP: 'top-start',
-  TOPEND: 'top-end',
-  BOTTOM: 'bottom-start',
-  BOTTOMEND: 'bottom-end',
-  RIGHT: 'right-start',
-  RIGHTEND: 'right-end',
-  LEFT: 'left-start',
-  LEFTEND: 'left-end'
-}
-
-const Default = {
-  offset: 0,
-  flip: true,
-  boundary: 'scrollParent',
-  reference: 'toggle',
-  display: 'dynamic'
-}
-
-const DefaultType = {
-  offset: '(number|string|function)',
-  flip: 'boolean',
-  boundary: '(string|element)',
-  reference: '(string|element)',
-  display: 'string'
-}
-
-/**
- * ------------------------------------------------------------------------
- * Class Definition
- * ------------------------------------------------------------------------
- */
-
-class Dropdown {
-  constructor(element, config) {
-    this._element = element
-    this._popper = null
-    this._config = this._getConfig(config)
-    this._menu = this._getMenuElement()
-    this._inNavbar = this._detectNavbar()
-
-    this._addEventListeners()
-    Data.setData(element, DATA_KEY, this)
-  }
-
-  // Getters
-
-  static get VERSION() {
-    return VERSION
-  }
-
-  static get Default() {
-    return Default
-  }
-
-  static get DefaultType() {
-    return DefaultType
-  }
-
-  // Public
-
-  toggle() {
-    if (this._element.disabled || this._element.classList.contains(ClassName.DISABLED)) {
-      return
-    }
-
-    const parent = Dropdown._getParentFromElement(this._element)
-    const isActive = this._menu.classList.contains(ClassName.SHOW)
-
-    Dropdown._clearMenus()
-
-    if (isActive) {
-      return
-    }
-
-    const relatedTarget = {
-      relatedTarget: this._element
-    }
-    const showEvent = EventHandler.trigger(parent, Event.SHOW, relatedTarget)
-
-    if (showEvent.defaultPrevented) {
-      return
-    }
-
-    // Disable totally Popper.js for Dropdown in Navbar
-    if (!this._inNavbar) {
-      /**
-       * Check for Popper dependency
-       * Popper - https://popper.js.org
-       */
-      if (typeof Popper === 'undefined') {
-        throw new TypeError('Bootstrap\'s dropdowns require Popper.js (https://popper.js.org)')
-      }
-
-      let referenceElement = this._element
-
-      if (this._config.reference === 'parent') {
-        referenceElement = parent
-      } else if (isElement(this._config.reference)) {
-        referenceElement = this._config.reference
-
-        // Check if it's jQuery element
-        if (typeof this._config.reference.jquery !== 'undefined') {
-          referenceElement = this._config.reference[0]
-        }
-      }
-
-      // If boundary is not `scrollParent`, then set position to `static`
-      // to allow the menu to "escape" the scroll parent's boundaries
-      // https://github.com/twbs/bootstrap/issues/24251
-      if (this._config.boundary !== 'scrollParent') {
-        parent.classList.add(ClassName.POSITION_STATIC)
-      }
-
-      this._popper = new Popper(referenceElement, this._menu, this._getPopperConfig())
-    }
-
-    // If this is a touch-enabled device we add extra
-    // empty mouseover listeners to the body's immediate children;
-    // only needed because of broken event delegation on iOS
-    // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html
-    if ('ontouchstart' in document.documentElement &&
-      !makeArray(SelectorEngine.closest(parent, Selector.NAVBAR_NAV)).length) {
-      makeArray(document.body.children)
-        .forEach(elem => EventHandler.on(elem, 'mouseover', null, noop()))
-    }
-
-    this._element.focus()
-    this._element.setAttribute('aria-expanded', true)
-
-    Manipulator.toggleClass(this._menu, ClassName.SHOW)
-    Manipulator.toggleClass(parent, ClassName.SHOW)
-    EventHandler.trigger(parent, Event.SHOWN, relatedTarget)
-  }
-
-  show() {
-    if (this._element.disabled || this._element.classList.contains(ClassName.DISABLED) || this._menu.classList.contains(ClassName.SHOW)) {
-      return
-    }
-
-    const parent = Dropdown._getParentFromElement(this._element)
-    const relatedTarget = {
-      relatedTarget: this._element
-    }
-
-    const showEvent = EventHandler.trigger(parent, Event.SHOW, relatedTarget)
-
-    if (showEvent.defaultPrevented) {
-      return
-    }
-
-    Manipulator.toggleClass(this._menu, ClassName.SHOW)
-    Manipulator.toggleClass(parent, ClassName.SHOW)
-    EventHandler.trigger(parent, Event.SHOWN, relatedTarget)
-  }
-
-  hide() {
-    if (this._element.disabled || this._element.classList.contains(ClassName.DISABLED) || !this._menu.classList.contains(ClassName.SHOW)) {
-      return
-    }
-
-    const parent = Dropdown._getParentFromElement(this._element)
-    const relatedTarget = {
-      relatedTarget: this._element
-    }
-
-    const hideEvent = EventHandler.trigger(parent, Event.HIDE, relatedTarget)
-
-    if (hideEvent.defaultPrevented) {
-      return
-    }
-
-    Manipulator.toggleClass(this._menu, ClassName.SHOW)
-    Manipulator.toggleClass(parent, ClassName.SHOW)
-    EventHandler.trigger(parent, Event.HIDDEN, relatedTarget)
-  }
-
-  dispose() {
-    Data.removeData(this._element, DATA_KEY)
-    EventHandler.off(this._element, EVENT_KEY)
-    this._element = null
-    this._menu = null
-    if (this._popper !== null) {
-      this._popper.destroy()
-      this._popper = null
-    }
-  }
-
-  update() {
-    this._inNavbar = this._detectNavbar()
-    if (this._popper !== null) {
-      this._popper.scheduleUpdate()
-    }
-  }
-
-  // Private
-
-  _addEventListeners() {
-    EventHandler.on(this._element, Event.CLICK, event => {
-      event.preventDefault()
-      event.stopPropagation()
-      this.toggle()
-    })
-  }
-
-  _getConfig(config) {
-    config = {
-      ...this.constructor.Default,
-      ...Manipulator.getDataAttributes(this._element),
-      ...config
-    }
-
-    typeCheckConfig(
-      NAME,
-      config,
-      this.constructor.DefaultType
-    )
-
-    return config
-  }
-
-  _getMenuElement() {
-    if (!this._menu) {
-      const parent = Dropdown._getParentFromElement(this._element)
-
-      if (parent) {
-        this._menu = SelectorEngine.findOne(Selector.MENU, parent)
-      }
-    }
-
-    return this._menu
-  }
-
-  _getPlacement() {
-    const parentDropdown = this._element.parentNode
-    let placement = AttachmentMap.BOTTOM
-
-    // Handle dropup
-    if (parentDropdown.classList.contains(ClassName.DROPUP)) {
-      placement = AttachmentMap.TOP
-      if (this._menu.classList.contains(ClassName.MENURIGHT)) {
-        placement = AttachmentMap.TOPEND
-      }
-    } else if (parentDropdown.classList.contains(ClassName.DROPRIGHT)) {
-      placement = AttachmentMap.RIGHT
-    } else if (parentDropdown.classList.contains(ClassName.DROPLEFT)) {
-      placement = AttachmentMap.LEFT
-    } else if (this._menu.classList.contains(ClassName.MENURIGHT)) {
-      placement = AttachmentMap.BOTTOMEND
-    }
-
-    return placement
-  }
-
-  _detectNavbar() {
-    return Boolean(SelectorEngine.closest(this._element, '.navbar'))
-  }
-
-  _getOffset() {
-    const offset = {}
-
-    if (typeof this._config.offset === 'function') {
-      offset.fn = data => {
-        data.offsets = {
-          ...data.offsets,
-          ...this._config.offset(data.offsets, this._element) || {}
-        }
-
-        return data
-      }
-    } else {
-      offset.offset = this._config.offset
-    }
-
-    return offset
-  }
-
-  _getPopperConfig() {
-    const popperConfig = {
-      placement: this._getPlacement(),
-      modifiers: {
-        offset: this._getOffset(),
-        flip: {
-          enabled: this._config.flip
-        },
-        preventOverflow: {
-          boundariesElement: this._config.boundary
-        }
-      }
-    }
-
-    // Disable Popper.js if we have a static display
-    if (this._config.display === 'static') {
-      popperConfig.modifiers.applyStyle = {
-        enabled: false
-      }
-    }
-
-    return popperConfig
-  }
-
-  // Static
-
-  static _dropdownInterface(element, config) {
-    let data = Data.getData(element, DATA_KEY)
-    const _config = typeof config === 'object' ? config : null
-
-    if (!data) {
-      data = new Dropdown(element, _config)
-    }
-
-    if (typeof config === 'string') {
-      if (typeof data[config] === 'undefined') {
-        throw new TypeError(`No method named "${config}"`)
-      }
-
-      data[config]()
-    }
-  }
-
-  static _jQueryInterface(config) {
-    return this.each(function () {
-      Dropdown._dropdownInterface(this, config)
-    })
-  }
-
-  static _clearMenus(event) {
-    if (event && (event.which === RIGHT_MOUSE_BUTTON_WHICH ||
-      event.type === 'keyup' && event.which !== TAB_KEYCODE)) {
-      return
-    }
-
-    const toggles = makeArray(SelectorEngine.find(Selector.DATA_TOGGLE))
-    for (let i = 0, len = toggles.length; i < len; i++) {
-      const parent = Dropdown._getParentFromElement(toggles[i])
-      const context = Data.getData(toggles[i], DATA_KEY)
-      const relatedTarget = {
-        relatedTarget: toggles[i]
-      }
-
-      if (event && event.type === 'click') {
-        relatedTarget.clickEvent = event
-      }
-
-      if (!context) {
-        continue
-      }
-
-      const dropdownMenu = context._menu
-      if (!parent.classList.contains(ClassName.SHOW)) {
-        continue
-      }
-
-      if (event && (event.type === 'click' &&
-          /input|textarea/i.test(event.target.tagName) ||
-          event.type === 'keyup' && event.which === TAB_KEYCODE) &&
-          parent.contains(event.target)) {
-        continue
-      }
-
-      const hideEvent = EventHandler.trigger(parent, Event.HIDE, relatedTarget)
-      if (hideEvent.defaultPrevented) {
-        continue
-      }
-
-      // If this is a touch-enabled device we remove the extra
-      // empty mouseover listeners we added for iOS support
-      if ('ontouchstart' in document.documentElement) {
-        makeArray(document.body.children)
-          .forEach(elem => EventHandler.off(elem, 'mouseover', null, noop()))
-      }
-
-      toggles[i].setAttribute('aria-expanded', 'false')
-
-      dropdownMenu.classList.remove(ClassName.SHOW)
-      parent.classList.remove(ClassName.SHOW)
-      EventHandler.trigger(parent, Event.HIDDEN, relatedTarget)
-    }
-  }
-
-  static _getParentFromElement(element) {
-    let parent
-    const selector = getSelectorFromElement(element)
-
-    if (selector) {
-      parent = SelectorEngine.findOne(selector)
-    }
-
-    return parent || element.parentNode
-  }
-
-  static _dataApiKeydownHandler(event) {
-    // If not input/textarea:
-    //  - And not a key in REGEXP_KEYDOWN => not a dropdown command
-    // If input/textarea:
-    //  - If space key => not a dropdown command
-    //  - If key is other than escape
-    //    - If key is not up or down => not a dropdown command
-    //    - If trigger inside the menu => not a dropdown command
-    if (/input|textarea/i.test(event.target.tagName) ?
-      event.which === SPACE_KEYCODE || event.which !== ESCAPE_KEYCODE &&
-      (event.which !== ARROW_DOWN_KEYCODE && event.which !== ARROW_UP_KEYCODE ||
-        SelectorEngine.closest(event.target, Selector.MENU)) :
-      !REGEXP_KEYDOWN.test(event.which)) {
-      return
-    }
-
-    event.preventDefault()
-    event.stopPropagation()
-
-    if (this.disabled || this.classList.contains(ClassName.DISABLED)) {
-      return
-    }
-
-    const parent = Dropdown._getParentFromElement(this)
-    const isActive = parent.classList.contains(ClassName.SHOW)
-
-    if (!isActive || isActive && (event.which === ESCAPE_KEYCODE || event.which === SPACE_KEYCODE)) {
-      if (event.which === ESCAPE_KEYCODE) {
-        SelectorEngine.findOne(Selector.DATA_TOGGLE, parent).focus()
-      }
-
-      Dropdown._clearMenus()
-      return
-    }
-
-    const items = makeArray(SelectorEngine.find(Selector.VISIBLE_ITEMS, parent))
-
-    if (!items.length) {
-      return
-    }
-
-    let index = items.indexOf(event.target)
-
-    if (event.which === ARROW_UP_KEYCODE && index > 0) { // Up
-      index--
-    }
-
-    if (event.which === ARROW_DOWN_KEYCODE && index < items.length - 1) { // Down
-      index++
-    }
-
-    if (index < 0) {
-      index = 0
-    }
-
-    items[index].focus()
-  }
-
-  static _getInstance(element) {
-    return Data.getData(element, DATA_KEY)
-  }
-}
-
-/**
- * ------------------------------------------------------------------------
- * Data Api implementation
- * ------------------------------------------------------------------------
- */
-
-EventHandler.on(document, Event.KEYDOWN_DATA_API, Selector.DATA_TOGGLE, Dropdown._dataApiKeydownHandler)
-EventHandler.on(document, Event.KEYDOWN_DATA_API, Selector.MENU, Dropdown._dataApiKeydownHandler)
-EventHandler.on(document, Event.CLICK_DATA_API, Dropdown._clearMenus)
-EventHandler.on(document, Event.KEYUP_DATA_API, Dropdown._clearMenus)
-EventHandler.on(document, Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
-  event.preventDefault()
-  event.stopPropagation()
-  Dropdown._dropdownInterface(this, 'toggle')
-})
-EventHandler
-  .on(document, Event.CLICK_DATA_API, Selector.FORM_CHILD, e => e.stopPropagation())
-
-/**
- * ------------------------------------------------------------------------
- * jQuery
- * ------------------------------------------------------------------------
- * add .dropdown to jQuery only if jQuery is present
- */
-
-if (typeof $ !== 'undefined') {
-  const JQUERY_NO_CONFLICT = $.fn[NAME]
-  $.fn[NAME] = Dropdown._jQueryInterface
-  $.fn[NAME].Constructor = Dropdown
-  $.fn[NAME].noConflict = () => {
-    $.fn[NAME] = JQUERY_NO_CONFLICT
-    return Dropdown._jQueryInterface
-  }
-}
-
-export default Dropdown