rewrite carousel unit tests

1 files changed, 0 insertions, 645 deletions

diff --git a/js/src/carousel.js b/js/src/carousel.js
deleted file mode 100644
index 7cd790f85d..0000000000
--- a/js/src/carousel.js
+++ /dev/null
@@ -1,645 +0,0 @@
-/**
- * --------------------------------------------------------------------------
- * Bootstrap (v4.3.1): carousel.js
- * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
- * --------------------------------------------------------------------------
- */
-
-import {
-  jQuery as $,
-  TRANSITION_END,
-  emulateTransitionEnd,
-  getSelectorFromElement,
-  getTransitionDurationFromElement,
-  isVisible,
-  makeArray,
-  reflow,
-  triggerTransitionEnd,
-  typeCheckConfig
-} from './util/index'
-import Data from './dom/data'
-import EventHandler from './dom/event-handler'
-import Manipulator from './dom/manipulator'
-import SelectorEngine from './dom/selector-engine'
-
-/**
- * ------------------------------------------------------------------------
- * Constants
- * ------------------------------------------------------------------------
- */
-
-const NAME = 'carousel'
-const VERSION = '4.3.1'
-const DATA_KEY = 'bs.carousel'
-const EVENT_KEY = `.${DATA_KEY}`
-const DATA_API_KEY = '.data-api'
-const ARROW_LEFT_KEYCODE = 37 // KeyboardEvent.which value for left arrow key
-const ARROW_RIGHT_KEYCODE = 39 // KeyboardEvent.which value for right arrow key
-const TOUCHEVENT_COMPAT_WAIT = 500 // Time for mouse compat events to fire after touch
-const SWIPE_THRESHOLD = 40
-
-const Default = {
-  interval: 5000,
-  keyboard: true,
-  slide: false,
-  pause: 'hover',
-  wrap: true,
-  touch: true
-}
-
-const DefaultType = {
-  interval: '(number|boolean)',
-  keyboard: 'boolean',
-  slide: '(boolean|string)',
-  pause: '(string|boolean)',
-  wrap: 'boolean',
-  touch: 'boolean'
-}
-
-const Direction = {
-  NEXT: 'next',
-  PREV: 'prev',
-  LEFT: 'left',
-  RIGHT: 'right'
-}
-
-const Event = {
-  SLIDE: `slide${EVENT_KEY}`,
-  SLID: `slid${EVENT_KEY}`,
-  KEYDOWN: `keydown${EVENT_KEY}`,
-  MOUSEENTER: `mouseenter${EVENT_KEY}`,
-  MOUSELEAVE: `mouseleave${EVENT_KEY}`,
-  TOUCHSTART: `touchstart${EVENT_KEY}`,
-  TOUCHMOVE: `touchmove${EVENT_KEY}`,
-  TOUCHEND: `touchend${EVENT_KEY}`,
-  POINTERDOWN: `pointerdown${EVENT_KEY}`,
-  POINTERUP: `pointerup${EVENT_KEY}`,
-  DRAG_START: `dragstart${EVENT_KEY}`,
-  LOAD_DATA_API: `load${EVENT_KEY}${DATA_API_KEY}`,
-  CLICK_DATA_API: `click${EVENT_KEY}${DATA_API_KEY}`
-}
-
-const ClassName = {
-  CAROUSEL: 'carousel',
-  ACTIVE: 'active',
-  SLIDE: 'slide',
-  RIGHT: 'carousel-item-right',
-  LEFT: 'carousel-item-left',
-  NEXT: 'carousel-item-next',
-  PREV: 'carousel-item-prev',
-  ITEM: 'carousel-item',
-  POINTER_EVENT: 'pointer-event'
-}
-
-const Selector = {
-  ACTIVE: '.active',
-  ACTIVE_ITEM: '.active.carousel-item',
-  ITEM: '.carousel-item',
-  ITEM_IMG: '.carousel-item img',
-  NEXT_PREV: '.carousel-item-next, .carousel-item-prev',
-  INDICATORS: '.carousel-indicators',
-  DATA_SLIDE: '[data-slide], [data-slide-to]',
-  DATA_RIDE: '[data-ride="carousel"]'
-}
-
-const PointerType = {
-  TOUCH: 'touch',
-  PEN: 'pen'
-}
-
-/**
- * ------------------------------------------------------------------------
- * Class Definition
- * ------------------------------------------------------------------------
- */
-class Carousel {
-  constructor(element, config) {
-    this._items = null
-    this._interval = null
-    this._activeElement = null
-    this._isPaused = false
-    this._isSliding = false
-    this.touchTimeout = null
-    this.touchStartX = 0
-    this.touchDeltaX = 0
-
-    this._config = this._getConfig(config)
-    this._element = element
-    this._indicatorsElement = SelectorEngine.findOne(Selector.INDICATORS, this._element)
-    this._touchSupported = 'ontouchstart' in document.documentElement || navigator.maxTouchPoints > 0
-    this._pointerEvent = Boolean(window.PointerEvent || window.MSPointerEvent)
-
-    this._addEventListeners()
-    Data.setData(element, DATA_KEY, this)
-  }
-
-  // Getters
-
-  static get VERSION() {
-    return VERSION
-  }
-
-  static get Default() {
-    return Default
-  }
-
-  // Public
-
-  next() {
-    if (!this._isSliding) {
-      this._slide(Direction.NEXT)
-    }
-  }
-
-  nextWhenVisible() {
-    // Don't call next when the page isn't visible
-    // or the carousel or its parent isn't visible
-    if (!document.hidden && isVisible(this._element)) {
-      this.next()
-    }
-  }
-
-  prev() {
-    if (!this._isSliding) {
-      this._slide(Direction.PREV)
-    }
-  }
-
-  pause(event) {
-    if (!event) {
-      this._isPaused = true
-    }
-
-    if (SelectorEngine.findOne(Selector.NEXT_PREV, this._element)) {
-      triggerTransitionEnd(this._element)
-      this.cycle(true)
-    }
-
-    clearInterval(this._interval)
-    this._interval = null
-  }
-
-  cycle(event) {
-    if (!event) {
-      this._isPaused = false
-    }
-
-    if (this._interval) {
-      clearInterval(this._interval)
-      this._interval = null
-    }
-
-    if (this._config && this._config.interval && !this._isPaused) {
-      this._interval = setInterval(
-        (document.visibilityState ? this.nextWhenVisible : this.next).bind(this),
-        this._config.interval
-      )
-    }
-  }
-
-  to(index) {
-    this._activeElement = SelectorEngine.findOne(Selector.ACTIVE_ITEM, this._element)
-    const activeIndex = this._getItemIndex(this._activeElement)
-
-    if (index > this._items.length - 1 || index < 0) {
-      return
-    }
-
-    if (this._isSliding) {
-      EventHandler.one(this._element, Event.SLID, () => this.to(index))
-      return
-    }
-
-    if (activeIndex === index) {
-      this.pause()
-      this.cycle()
-      return
-    }
-
-    const direction = index > activeIndex ?
-      Direction.NEXT :
-      Direction.PREV
-
-    this._slide(direction, this._items[index])
-  }
-
-  dispose() {
-    EventHandler.off(this._element, EVENT_KEY)
-    Data.removeData(this._element, DATA_KEY)
-
-    this._items = null
-    this._config = null
-    this._element = null
-    this._interval = null
-    this._isPaused = null
-    this._isSliding = null
-    this._activeElement = null
-    this._indicatorsElement = null
-  }
-
-  // Private
-
-  _getConfig(config) {
-    config = {
-      ...Default,
-      ...config
-    }
-    typeCheckConfig(NAME, config, DefaultType)
-    return config
-  }
-
-  _handleSwipe() {
-    const absDeltax = Math.abs(this.touchDeltaX)
-
-    if (absDeltax <= SWIPE_THRESHOLD) {
-      return
-    }
-
-    const direction = absDeltax / this.touchDeltaX
-
-    this.touchDeltaX = 0
-
-    // swipe left
-    if (direction > 0) {
-      this.prev()
-    }
-
-    // swipe right
-    if (direction < 0) {
-      this.next()
-    }
-  }
-
-  _addEventListeners() {
-    if (this._config.keyboard) {
-      EventHandler
-        .on(this._element, Event.KEYDOWN, event => this._keydown(event))
-    }
-
-    if (this._config.pause === 'hover') {
-      EventHandler
-        .on(this._element, Event.MOUSEENTER, event => this.pause(event))
-      EventHandler
-        .on(this._element, Event.MOUSELEAVE, event => this.cycle(event))
-    }
-
-    if (this._config.touch) {
-      this._addTouchEventListeners()
-    }
-  }
-
-  _addTouchEventListeners() {
-    if (!this._touchSupported) {
-      return
-    }
-
-    const start = event => {
-      if (this._pointerEvent && PointerType[event.pointerType.toUpperCase()]) {
-        this.touchStartX = event.clientX
-      } else if (!this._pointerEvent) {
-        this.touchStartX = event.touches[0].clientX
-      }
-    }
-
-    const move = event => {
-      // ensure swiping with one touch and not pinching
-      if (event.touches && event.touches.length > 1) {
-        this.touchDeltaX = 0
-      } else {
-        this.touchDeltaX = event.touches[0].clientX - this.touchStartX
-      }
-    }
-
-    const end = event => {
-      if (this._pointerEvent && PointerType[event.pointerType.toUpperCase()]) {
-        this.touchDeltaX = event.clientX - this.touchStartX
-      }
-
-      this._handleSwipe()
-      if (this._config.pause === 'hover') {
-        // If it's a touch-enabled device, mouseenter/leave are fired as
-        // part of the mouse compatibility events on first tap - the carousel
-        // would stop cycling until user tapped out of it;
-        // here, we listen for touchend, explicitly pause the carousel
-        // (as if it's the second time we tap on it, mouseenter compat event
-        // is NOT fired) and after a timeout (to allow for mouse compatibility
-        // events to fire) we explicitly restart cycling
-
-        this.pause()
-        if (this.touchTimeout) {
-          clearTimeout(this.touchTimeout)
-        }
-
-        this.touchTimeout = setTimeout(event => this.cycle(event), TOUCHEVENT_COMPAT_WAIT + this._config.interval)
-      }
-    }
-
-    makeArray(SelectorEngine.find(Selector.ITEM_IMG, this._element)).forEach(itemImg => {
-      EventHandler.on(itemImg, Event.DRAG_START, e => e.preventDefault())
-    })
-
-    if (this._pointerEvent) {
-      EventHandler.on(this._element, Event.POINTERDOWN, event => start(event))
-      EventHandler.on(this._element, Event.POINTERUP, event => end(event))
-
-      this._element.classList.add(ClassName.POINTER_EVENT)
-    } else {
-      EventHandler.on(this._element, Event.TOUCHSTART, event => start(event))
-      EventHandler.on(this._element, Event.TOUCHMOVE, event => move(event))
-      EventHandler.on(this._element, Event.TOUCHEND, event => end(event))
-    }
-  }
-
-  _keydown(event) {
-    if (/input|textarea/i.test(event.target.tagName)) {
-      return
-    }
-
-    switch (event.which) {
-      case ARROW_LEFT_KEYCODE:
-        event.preventDefault()
-        this.prev()
-        break
-      case ARROW_RIGHT_KEYCODE:
-        event.preventDefault()
-        this.next()
-        break
-      default:
-    }
-  }
-
-  _getItemIndex(element) {
-    this._items = element && element.parentNode ?
-      makeArray(SelectorEngine.find(Selector.ITEM, element.parentNode)) :
-      []
-
-    return this._items.indexOf(element)
-  }
-
-  _getItemByDirection(direction, activeElement) {
-    const isNextDirection = direction === Direction.NEXT
-    const isPrevDirection = direction === Direction.PREV
-    const activeIndex = this._getItemIndex(activeElement)
-    const lastItemIndex = this._items.length - 1
-    const isGoingToWrap = isPrevDirection && activeIndex === 0 ||
-                            isNextDirection && activeIndex === lastItemIndex
-
-    if (isGoingToWrap && !this._config.wrap) {
-      return activeElement
-    }
-
-    const delta = direction === Direction.PREV ? -1 : 1
-    const itemIndex = (activeIndex + delta) % this._items.length
-
-    return itemIndex === -1 ?
-      this._items[this._items.length - 1] :
-      this._items[itemIndex]
-  }
-
-  _triggerSlideEvent(relatedTarget, eventDirectionName) {
-    const targetIndex = this._getItemIndex(relatedTarget)
-    const fromIndex = this._getItemIndex(SelectorEngine.findOne(Selector.ACTIVE_ITEM, this._element))
-
-    return EventHandler.trigger(this._element, Event.SLIDE, {
-      relatedTarget,
-      direction: eventDirectionName,
-      from: fromIndex,
-      to: targetIndex
-    })
-  }
-
-  _setActiveIndicatorElement(element) {
-    if (this._indicatorsElement) {
-      const indicators = SelectorEngine.find(Selector.ACTIVE, this._indicatorsElement)
-      for (let i = 0; i < indicators.length; i++) {
-        indicators[i].classList.remove(ClassName.ACTIVE)
-      }
-
-      const nextIndicator = this._indicatorsElement.children[
-        this._getItemIndex(element)
-      ]
-
-      if (nextIndicator) {
-        nextIndicator.classList.add(ClassName.ACTIVE)
-      }
-    }
-  }
-
-  _slide(direction, element) {
-    const activeElement = SelectorEngine.findOne(Selector.ACTIVE_ITEM, this._element)
-    const activeElementIndex = this._getItemIndex(activeElement)
-    const nextElement = element || activeElement &&
-      this._getItemByDirection(direction, activeElement)
-
-    const nextElementIndex = this._getItemIndex(nextElement)
-    const isCycling = Boolean(this._interval)
-
-    let directionalClassName
-    let orderClassName
-    let eventDirectionName
-
-    if (direction === Direction.NEXT) {
-      directionalClassName = ClassName.LEFT
-      orderClassName = ClassName.NEXT
-      eventDirectionName = Direction.LEFT
-    } else {
-      directionalClassName = ClassName.RIGHT
-      orderClassName = ClassName.PREV
-      eventDirectionName = Direction.RIGHT
-    }
-
-    if (nextElement && nextElement.classList.contains(ClassName.ACTIVE)) {
-      this._isSliding = false
-      return
-    }
-
-    const slideEvent = this._triggerSlideEvent(nextElement, eventDirectionName)
-    if (slideEvent.defaultPrevented) {
-      return
-    }
-
-    if (!activeElement || !nextElement) {
-      // Some weirdness is happening, so we bail
-      return
-    }
-
-    this._isSliding = true
-
-    if (isCycling) {
-      this.pause()
-    }
-
-    this._setActiveIndicatorElement(nextElement)
-
-    if (this._element.classList.contains(ClassName.SLIDE)) {
-      nextElement.classList.add(orderClassName)
-
-      reflow(nextElement)
-
-      activeElement.classList.add(directionalClassName)
-      nextElement.classList.add(directionalClassName)
-
-      const nextElementInterval = parseInt(nextElement.getAttribute('data-interval'), 10)
-      if (nextElementInterval) {
-        this._config.defaultInterval = this._config.defaultInterval || this._config.interval
-        this._config.interval = nextElementInterval
-      } else {
-        this._config.interval = this._config.defaultInterval || this._config.interval
-      }
-
-      const transitionDuration = getTransitionDurationFromElement(activeElement)
-
-      EventHandler
-        .one(activeElement, TRANSITION_END, () => {
-          nextElement.classList.remove(directionalClassName)
-          nextElement.classList.remove(orderClassName)
-          nextElement.classList.add(ClassName.ACTIVE)
-
-          activeElement.classList.remove(ClassName.ACTIVE)
-          activeElement.classList.remove(orderClassName)
-          activeElement.classList.remove(directionalClassName)
-
-          this._isSliding = false
-
-          setTimeout(() => {
-            EventHandler.trigger(this._element, Event.SLID, {
-              relatedTarget: nextElement,
-              direction: eventDirectionName,
-              from: activeElementIndex,
-              to: nextElementIndex
-            })
-          }, 0)
-        })
-
-      emulateTransitionEnd(activeElement, transitionDuration)
-    } else {
-      activeElement.classList.remove(ClassName.ACTIVE)
-      nextElement.classList.add(ClassName.ACTIVE)
-
-      this._isSliding = false
-      EventHandler.trigger(this._element, Event.SLID, {
-        relatedTarget: nextElement,
-        direction: eventDirectionName,
-        from: activeElementIndex,
-        to: nextElementIndex
-      })
-    }
-
-    if (isCycling) {
-      this.cycle()
-    }
-  }
-
-  // Static
-
-  static _carouselInterface(element, config) {
-    let data = Data.getData(element, DATA_KEY)
-    let _config = {
-      ...Default,
-      ...Manipulator.getDataAttributes(element)
-    }
-
-    if (typeof config === 'object') {
-      _config = {
-        ..._config,
-        ...config
-      }
-    }
-
-    const action = typeof config === 'string' ? config : _config.slide
-
-    if (!data) {
-      data = new Carousel(element, _config)
-    }
-
-    if (typeof config === 'number') {
-      data.to(config)
-    } else if (typeof action === 'string') {
-      if (typeof data[action] === 'undefined') {
-        throw new TypeError(`No method named "${action}"`)
-      }
-
-      data[action]()
-    } else if (_config.interval && _config.ride) {
-      data.pause()
-      data.cycle()
-    }
-  }
-
-  static _jQueryInterface(config) {
-    return this.each(function () {
-      Carousel._carouselInterface(this, config)
-    })
-  }
-
-  static _dataApiClickHandler(event) {
-    const selector = getSelectorFromElement(this)
-
-    if (!selector) {
-      return
-    }
-
-    const target = SelectorEngine.findOne(selector)
-
-    if (!target || !target.classList.contains(ClassName.CAROUSEL)) {
-      return
-    }
-
-    const config = {
-      ...Manipulator.getDataAttributes(target),
-      ...Manipulator.getDataAttributes(this)
-    }
-    const slideIndex = this.getAttribute('data-slide-to')
-
-    if (slideIndex) {
-      config.interval = false
-    }
-
-    Carousel._carouselInterface(target, config)
-
-    if (slideIndex) {
-      Data.getData(target, DATA_KEY).to(slideIndex)
-    }
-
-    event.preventDefault()
-  }
-
-  static _getInstance(element) {
-    return Data.getData(element, DATA_KEY)
-  }
-}
-
-/**
- * ------------------------------------------------------------------------
- * Data Api implementation
- * ------------------------------------------------------------------------
- */
-
-EventHandler
-  .on(document, Event.CLICK_DATA_API, Selector.DATA_SLIDE, Carousel._dataApiClickHandler)
-
-EventHandler.on(window, Event.LOAD_DATA_API, () => {
-  const carousels = makeArray(SelectorEngine.find(Selector.DATA_RIDE))
-  for (let i = 0, len = carousels.length; i < len; i++) {
-    Carousel._carouselInterface(carousels[i], Data.getData(carousels[i], DATA_KEY))
-  }
-})
-
-/**
- * ------------------------------------------------------------------------
- * jQuery
- * ------------------------------------------------------------------------
- * add .carousel to jQuery only if jQuery is present
- */
-
-if (typeof $ !== 'undefined') {
-  const JQUERY_NO_CONFLICT = $.fn[NAME]
-  $.fn[NAME] = Carousel._jQueryInterface
-  $.fn[NAME].Constructor = Carousel
-  $.fn[NAME].noConflict = () => {
-    $.fn[NAME] = JQUERY_NO_CONFLICT
-    return Carousel._jQueryInterface
-  }
-}
-
-export default Carousel