return to the original file structure to avoid breaking modularity

2 files changed, 0 insertions, 1838 deletions

diff --git a/js/src/carousel/carousel.js b/js/src/carousel/carousel.js
deleted file mode 100644
index 723bf57c6..000000000
--- a/js/src/carousel/carousel.js
+++ /dev/null
@@ -1,637 +0,0 @@
-/**
- * --------------------------------------------------------------------------
- * Bootstrap (v4.3.1): carousel.js
- * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
- * --------------------------------------------------------------------------
- */
-
-import {
-  getjQuery,
-  TRANSITION_END,
-  emulateTransitionEnd,
-  getElementFromSelector,
-  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._touchSupported) {
-      this._addTouchEventListeners()
-    }
-  }
-
-  _addTouchEventListeners() {
-    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 target = getElementFromSelector(this)
-
-    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))
-  }
-})
-
-const $ = getjQuery()
-
-/**
- * ------------------------------------------------------------------------
- * jQuery
- * ------------------------------------------------------------------------
- * add .carousel to jQuery only if jQuery is present
- */
-/* istanbul ignore if */
-if ($) {
-  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
diff --git a/js/src/carousel/carousel.spec.js b/js/src/carousel/carousel.spec.js
deleted file mode 100644
index 4c13b6d22..000000000
--- a/js/src/carousel/carousel.spec.js
+++ /dev/null
@@ -1,1201 +0,0 @@
-import Carousel from './carousel'
-import EventHandler from '../dom/event-handler'
-
-/** Test helpers */
-import { getFixture, clearFixture, createEvent, jQueryMock } from '../../tests/helpers/fixture'
-
-describe('Carousel', () => {
-  const { Simulator, PointerEvent, MSPointerEvent } = window
-  const originWinPointerEvent = PointerEvent || MSPointerEvent
-  const supportPointerEvent = Boolean(PointerEvent || MSPointerEvent)
-
-  window.MSPointerEvent = null
-  const cssStyleCarousel = '.carousel.pointer-event { -ms-touch-action: none; touch-action: none; }'
-
-  const stylesCarousel = document.createElement('style')
-  stylesCarousel.type = 'text/css'
-  stylesCarousel.appendChild(document.createTextNode(cssStyleCarousel))
-
-  const clearPointerEvents = () => {
-    window.PointerEvent = null
-  }
-
-  const restorePointerEvents = () => {
-    window.PointerEvent = originWinPointerEvent
-  }
-
-  let fixtureEl
-
-  beforeAll(() => {
-    fixtureEl = getFixture()
-  })
-
-  afterEach(() => {
-    clearFixture()
-  })
-
-  describe('VERSION', () => {
-    it('should return plugin version', () => {
-      expect(Carousel.VERSION).toEqual(jasmine.any(String))
-    })
-  })
-
-  describe('Default', () => {
-    it('should return plugin default config', () => {
-      expect(Carousel.Default).toEqual(jasmine.any(Object))
-    })
-  })
-
-  describe('constructor', () => {
-    it('should go to next item if right arrow key is pressed', done => {
-      fixtureEl.innerHTML = [
-        '<div id="myCarousel" class="carousel slide">',
-        '  <div class="carousel-inner">',
-        '    <div class="carousel-item active">item 1</div>',
-        '    <div id="item2" class="carousel-item">item 2</div>',
-        '    <div class="carousel-item">item 3</div>',
-        '  </div>',
-        '</div>'
-      ].join('')
-
-      const carouselEl = fixtureEl.querySelector('#myCarousel')
-      const carousel = new Carousel(carouselEl, {
-        keyboard: true
-      })
-
-      spyOn(carousel, '_keydown').and.callThrough()
-
-      carouselEl.addEventListener('slid.bs.carousel', () => {
-        expect(fixtureEl.querySelector('.active')).toEqual(fixtureEl.querySelector('#item2'))
-        expect(carousel._keydown).toHaveBeenCalled()
-        done()
-      })
-
-      const keyDown = createEvent('keydown')
-      keyDown.which = 39
-
-      carouselEl.dispatchEvent(keyDown)
-    })
-
-    it('should go to previous item if left arrow key is pressed', done => {
-      fixtureEl.innerHTML = [
-        '<div id="myCarousel" class="carousel slide">',
-        '  <div class="carousel-inner">',
-        '    <div id="item1" class="carousel-item">item 1</div>',
-        '    <div class="carousel-item active">item 2</div>',
-        '    <div class="carousel-item">item 3</div>',
-        '  </div>',
-        '</div>'
-      ].join('')
-
-      const carouselEl = fixtureEl.querySelector('#myCarousel')
-      const carousel = new Carousel(carouselEl, {
-        keyboard: true
-      })
-
-      spyOn(carousel, '_keydown').and.callThrough()
-
-      carouselEl.addEventListener('slid.bs.carousel', () => {
-        expect(fixtureEl.querySelector('.active')).toEqual(fixtureEl.querySelector('#item1'))
-        expect(carousel._keydown).toHaveBeenCalled()
-        done()
-      })
-
-      const keyDown = createEvent('keydown')
-      keyDown.which = 37
-
-      carouselEl.dispatchEvent(keyDown)
-    })
-
-    it('should not prevent keydown if key is not ARROW_LEFT or ARROW_RIGHT', done => {
-      fixtureEl.innerHTML = [
-        '<div id="myCarousel" class="carousel slide">',
-        '  <div class="carousel-inner">',
-        '    <div class="carousel-item active">item 1</div>',
-        '    <div class="carousel-item">item 2</div>',
-        '    <div class="carousel-item">item 3</div>',
-        '  </div>',
-        '</div>'
-      ].join('')
-
-      const carouselEl = fixtureEl.querySelector('#myCarousel')
-      const carousel = new Carousel(carouselEl, {
-        keyboard: true
-      })
-
-      spyOn(carousel, '_keydown').and.callThrough()
-
-      carouselEl.addEventListener('keydown', event => {
-        expect(carousel._keydown).toHaveBeenCalled()
-        expect(event.defaultPrevented).toEqual(false)
-        done()
-      })
-
-      const keyDown = createEvent('keydown')
-      keyDown.which = 40
-
-      carouselEl.dispatchEvent(keyDown)
-    })
-
-    it('should ignore keyboard events within <input>s and <textarea>s', () => {
-      fixtureEl.innerHTML = [
-        '<div id="myCarousel" class="carousel slide">',
-        '  <div class="carousel-inner">',
-        '    <div class="carousel-item active">',
-        '      <input type="text" />',
-        '      <textarea></textarea>',
-        '    </div>',
-        '    <div class="carousel-item"></div>',
-        '    <div class="carousel-item">item 3</div>',
-        '  </div>',
-        '</div>'
-      ].join('')
-
-      const carouselEl = fixtureEl.querySelector('#myCarousel')
-      const input = fixtureEl.querySelector('input')
-      const textarea = fixtureEl.querySelector('textarea')
-      const carousel = new Carousel(carouselEl, {
-        keyboard: true
-      })
-
-      const spyKeyDown = spyOn(carousel, '_keydown').and.callThrough()
-      const spyPrev = spyOn(carousel, 'prev')
-      const spyNext = spyOn(carousel, 'next')
-
-      const keyDown = createEvent('keydown', { bubbles: true, cancelable: true })
-      keyDown.which = 39
-      Object.defineProperty(keyDown, 'target', {
-        value: input,
-        writable: true,
-        configurable: true
-      })
-
-      input.dispatchEvent(keyDown)
-
-      expect(spyKeyDown).toHaveBeenCalled()
-      expect(spyPrev).not.toHaveBeenCalled()
-      expect(spyNext).not.toHaveBeenCalled()
-
-      spyKeyDown.calls.reset()
-      spyPrev.calls.reset()
-      spyNext.calls.reset()
-
-      Object.defineProperty(keyDown, 'target', {
-        value: textarea
-      })
-      textarea.dispatchEvent(keyDown)
-
-      expect(spyKeyDown).toHaveBeenCalled()
-      expect(spyPrev).not.toHaveBeenCalled()
-      expect(spyNext).not.toHaveBeenCalled()
-    })
-
-    it('should wrap around from end to start when wrap option is true', done => {
-      fixtureEl.innerHTML = [
-        '<div id="myCarousel" class="carousel slide">',
-        '  <div class="carousel-inner">',
-        '    <div id="one" class="carousel-item active"></div>',
-        '    <div id="two" class="carousel-item"></div>',
-        '    <div id="three" class="carousel-item">item 3</div>',
-        '  </div>',
-        '</div>'
-      ].join('')
-
-      const carouselEl = fixtureEl.querySelector('#myCarousel')
-      const carousel = new Carousel(carouselEl, { wrap: true })
-      const getActiveId = () => {
-        return carouselEl.querySelector('.carousel-item.active').getAttribute('id')
-      }
-
-      carouselEl.addEventListener('slid.bs.carousel', e => {
-        const activeId = getActiveId()
-
-        if (activeId === 'two') {
-          carousel.next()
-          return
-        }
-
-        if (activeId === 'three') {
-          carousel.next()
-          return
-        }
-
-        if (activeId === 'one') {
-          // carousel wrapped around and slid from 3rd to 1st slide
-          expect(activeId).toEqual('one')
-          expect(e.from + 1).toEqual(3)
-          done()
-        }
-      })
-
-      carousel.next()
-    })
-
-    it('should stay at the start when the prev method is called and wrap is false', done => {
-      fixtureEl.innerHTML = [
-        '<div id="myCarousel" class="carousel slide">',
-        '  <div class="carousel-inner">',
-        '    <div id="one" class="carousel-item active"></div>',
-        '    <div id="two" class="carousel-item"></div>',
-        '    <div id="three" class="carousel-item">item 3</div>',
-        '  </div>',
-        '</div>'
-      ].join('')
-
-      const carouselEl = fixtureEl.querySelector('#myCarousel')
-      const firstElement = fixtureEl.querySelector('#one')
-      const carousel = new Carousel(carouselEl, { wrap: false })
-
-      carouselEl.addEventListener('slid.bs.carousel', () => {
-        throw new Error('carousel slid when it should not have slid')
-      })
-
-      carousel.prev()
-
-      setTimeout(() => {
-        expect(firstElement.classList.contains('active')).toEqual(true)
-        done()
-      }, 10)
-    })
-
-    it('should not add touch event listeners if touch = false', () => {
-      fixtureEl.innerHTML = '<div></div>'
-
-      const carouselEl = fixtureEl.querySelector('div')
-
-      spyOn(Carousel.prototype, '_addTouchEventListeners')
-
-      const carousel = new Carousel(carouselEl, {
-        touch: false
-      })
-
-      expect(carousel._addTouchEventListeners).not.toHaveBeenCalled()
-    })
-
-    it('should not add touch event listeners if touch supported = false', () => {
-      fixtureEl.innerHTML = '<div></div>'
-
-      const carouselEl = fixtureEl.querySelector('div')
-
-      const carousel = new Carousel(carouselEl)
-
-      EventHandler.off(carouselEl, '.bs-carousel')
-      carousel._touchSupported = false
-
-      spyOn(carousel, '_addTouchEventListeners')
-
-      carousel._addEventListeners()
-
-      expect(carousel._addTouchEventListeners).not.toHaveBeenCalled()
-    })
-
-    it('should add touch event listeners by default', () => {
-      fixtureEl.innerHTML = '<div></div>'
-
-      const carouselEl = fixtureEl.querySelector('div')
-
-      spyOn(Carousel.prototype, '_addTouchEventListeners')
-
-      document.documentElement.ontouchstart = () => {}
-      const carousel = new Carousel(carouselEl)
-
-      expect(carousel._addTouchEventListeners).toHaveBeenCalled()
-    })
-
-    it('should allow swiperight and call prev with pointer events', done => {
-      if (!supportPointerEvent) {
-        expect().nothing()
-        done()
-        return
-      }
-
-      document.documentElement.ontouchstart = () => {}
-      document.head.appendChild(stylesCarousel)
-      Simulator.setType('pointer')
-
-      fixtureEl.innerHTML = [
-        '<div class="carousel" data-interval="false">',
-        '  <div class="carousel-inner">',
-        '    <div id="item" class="carousel-item">',
-        '      <img alt="">',
-        '    </div>',
-        '    <div class="carousel-item active">',
-        '      <img alt="">',
-        '    </div>',
-        '  </div>',
-        '</div>'
-      ].join('')
-
-      const carouselEl = fixtureEl.querySelector('.carousel')
-      const item = fixtureEl.querySelector('#item')
-      const carousel = new Carousel(carouselEl)
-
-      spyOn(carousel, 'prev').and.callThrough()
-
-      carouselEl.addEventListener('slid.bs.carousel', () => {
-        expect(item.classList.contains('active')).toEqual(true)
-        expect(carousel.prev).toHaveBeenCalled()
-        document.head.removeChild(stylesCarousel)
-        delete document.documentElement.ontouchstart
-        done()
-      })
-
-      Simulator.gestures.swipe(carouselEl, {
-        deltaX: 300,
-        deltaY: 0
-      })
-    })
-
-    it('should allow swipeleft and call next with pointer events', done => {
-      if (!supportPointerEvent) {
-        expect().nothing()
-        done()
-        return
-      }
-
-      document.documentElement.ontouchstart = () => {}
-      document.head.appendChild(stylesCarousel)
-      Simulator.setType('pointer')
-
-      fixtureEl.innerHTML = [
-        '<div class="carousel" data-interval="false">',
-        '  <div class="carousel-inner">',
-        '    <div id="item" class="carousel-item active">',
-        '      <img alt="">',
-        '    </div>',
-        '    <div class="carousel-item">',
-        '      <img alt="">',
-        '    </div>',
-        '  </div>',
-        '</div>'
-      ].join('')
-
-      const carouselEl = fixtureEl.querySelector('.carousel')
-      const item = fixtureEl.querySelector('#item')
-      const carousel = new Carousel(carouselEl)
-
-      spyOn(carousel, 'next').and.callThrough()
-
-      carouselEl.addEventListener('slid.bs.carousel', () => {
-        expect(item.classList.contains('active')).toEqual(false)
-        expect(carousel.next).toHaveBeenCalled()
-        document.head.removeChild(stylesCarousel)
-        delete document.documentElement.ontouchstart
-        done()
-      })
-
-      Simulator.gestures.swipe(carouselEl, {
-        pos: [300, 10],
-        deltaX: -300,
-        deltaY: 0
-      })
-    })
-
-    it('should allow swiperight and call prev with touch events', done => {
-      Simulator.setType('touch')
-      clearPointerEvents()
-      document.documentElement.ontouchstart = () => {}
-
-      fixtureEl.innerHTML = [
-        '<div class="carousel" data-interval="false">',
-        '  <div class="carousel-inner">',
-        '    <div id="item" class="carousel-item">',
-        '      <img alt="">',
-        '    </div>',
-        '    <div class="carousel-item active">',
-        '      <img alt="">',
-        '    </div>',
-        '  </div>',
-        '</div>'
-      ].join('')
-
-      const carouselEl = fixtureEl.querySelector('.carousel')
-      const item = fixtureEl.querySelector('#item')
-      const carousel = new Carousel(carouselEl)
-
-      spyOn(carousel, 'prev').and.callThrough()
-
-      carouselEl.addEventListener('slid.bs.carousel', () => {
-        expect(item.classList.contains('active')).toEqual(true)
-        expect(carousel.prev).toHaveBeenCalled()
-        delete document.documentElement.ontouchstart
-        restorePointerEvents()
-        done()
-      })
-
-      Simulator.gestures.swipe(carouselEl, {
-        deltaX: 300,
-        deltaY: 0
-      })
-    })
-
-    it('should allow swipeleft and call next with touch events', done => {
-      Simulator.setType('touch')
-      clearPointerEvents()
-      document.documentElement.ontouchstart = () => {}
-
-      fixtureEl.innerHTML = [
-        '<div class="carousel" data-interval="false">',
-        '  <div class="carousel-inner">',
-        '    <div id="item" class="carousel-item active">',
-        '      <img alt="">',
-        '    </div>',
-        '    <div class="carousel-item">',
-        '      <img alt="">',
-        '    </div>',
-        '  </div>',
-        '</div>'
-      ].join('')
-
-      const carouselEl = fixtureEl.querySelector('.carousel')
-      const item = fixtureEl.querySelector('#item')
-      const carousel = new Carousel(carouselEl)
-
-      spyOn(carousel, 'next').and.callThrough()
-
-      carouselEl.addEventListener('slid.bs.carousel', () => {
-        expect(item.classList.contains('active')).toEqual(false)
-        expect(carousel.next).toHaveBeenCalled()
-        delete document.documentElement.ontouchstart
-        restorePointerEvents()
-        done()
-      })
-
-      Simulator.gestures.swipe(carouselEl, {
-        pos: [300, 10],
-        deltaX: -300,
-        deltaY: 0
-      })
-    })
-
-    it('should not allow pinch with touch events', done => {
-      Simulator.setType('touch')
-      clearPointerEvents()
-      document.documentElement.ontouchstart = () => {}
-
-      fixtureEl.innerHTML = '<div class="carousel" data-interval="false"></div>'
-
-      const carouselEl = fixtureEl.querySelector('.carousel')
-      const carousel = new Carousel(carouselEl)
-
-      Simulator.gestures.swipe(carouselEl, {
-        pos: [300, 10],
-        deltaX: -300,
-        deltaY: 0,
-        touches: 2
-      }, () => {
-        restorePointerEvents()
-        delete document.documentElement.ontouchstart
-        expect(carousel.touchDeltaX).toEqual(0)
-        done()
-      })
-    })
-
-    it('should call pause method on mouse over with pause equal to hover', done => {
-      fixtureEl.innerHTML = '<div class="carousel"></div>'
-
-      const carouselEl = fixtureEl.querySelector('.carousel')
-      const carousel = new Carousel(carouselEl)
-
-      spyOn(carousel, 'pause')
-
-      const mouseOverEvent = createEvent('mouseover')
-      carouselEl.dispatchEvent(mouseOverEvent)
-
-      setTimeout(() => {
-        expect(carousel.pause).toHaveBeenCalled()
-        done()
-      }, 10)
-    })
-
-    it('should call cycle on mouse out with pause equal to hover', done => {
-      fixtureEl.innerHTML = '<div class="carousel"></div>'
-
-      const carouselEl = fixtureEl.querySelector('.carousel')
-      const carousel = new Carousel(carouselEl)
-
-      spyOn(carousel, 'cycle')
-
-      const mouseOutEvent = createEvent('mouseout')
-      carouselEl.dispatchEvent(mouseOutEvent)
-
-      setTimeout(() => {
-        expect(carousel.cycle).toHaveBeenCalled()
-        done()
-      }, 10)
-    })
-  })
-
-  describe('next', () => {
-    it('should not slide if the carousel is sliding', () => {
-      fixtureEl.innerHTML = '<div></div>'
-
-      const carouselEl = fixtureEl.querySelector('div')
-      const carousel = new Carousel(carouselEl, {})
-
-      spyOn(carousel, '_slide')
-
-      carousel._isSliding = true
-      carousel.next()
-
-      expect(carousel._slide).not.toHaveBeenCalled()
-    })
-
-    it('should not fire slid when slide is prevented', done => {
-      fixtureEl.innerHTML = '<div></div>'
-
-      const carouselEl = fixtureEl.querySelector('div')
-      const carousel = new Carousel(carouselEl, {})
-      let slidEvent = false
-
-      const doneTest = () => {
-        setTimeout(() => {
-          expect(slidEvent).toEqual(false)
-          done()
-        }, 20)
-      }
-
-      carouselEl.addEventListener('slide.bs.carousel', e => {
-        e.preventDefault()
-        doneTest()
-      })
-
-      carouselEl.addEventListener('slid.bs.carousel', () => {
-        slidEvent = true
-      })
-
-      carousel.next()
-    })
-
-    it('should fire slide event with: direction, relatedTarget, from and to', done => {
-      fixtureEl.innerHTML = [
-        '<div id="myCarousel" class="carousel slide">',
-        '  <div class="carousel-inner">',
-        '    <div class="carousel-item active">item 1</div>',
-        '    <div class="carousel-item">item 2</div>',
-        '    <div class="carousel-item">item 3</div>',
-        '  </div>',
-        '</div>'
-      ].join('')
-
-      const carouselEl = fixtureEl.querySelector('#myCarousel')
-      const carousel = new Carousel(carouselEl, {})
-
-      const onSlide = e => {
-        expect(e.direction).toEqual('left')
-        expect(e.relatedTarget.classList.contains('carousel-item')).toEqual(true)
-        expect(e.from).toEqual(0)
-        expect(e.to).toEqual(1)
-
-        carouselEl.removeEventListener('slide.bs.carousel', onSlide)
-        carouselEl.addEventListener('slide.bs.carousel', onSlide2)
-
-        carousel.prev()
-      }
-
-      const onSlide2 = e => {
-        expect(e.direction).toEqual('right')
-        done()
-      }
-
-      carouselEl.addEventListener('slide.bs.carousel', onSlide)
-      carousel.next()
-    })
-
-    it('should fire slid event with: direction, relatedTarget, from and to', done => {
-      fixtureEl.innerHTML = [
-        '<div id="myCarousel" class="carousel slide">',
-        '  <div class="carousel-inner">',
-        '    <div class="carousel-item active">item 1</div>',
-        '    <div class="carousel-item">item 2</div>',
-        '    <div class="carousel-item">item 3</div>',
-        '  </div>',
-        '</div>'
-      ].join('')
-
-      const carouselEl = fixtureEl.querySelector('#myCarousel')
-      const carousel = new Carousel(carouselEl, {})
-
-      const onSlid = e => {
-        expect(e.direction).toEqual('left')
-        expect(e.relatedTarget.classList.contains('carousel-item')).toEqual(true)
-        expect(e.from).toEqual(0)
-        expect(e.to).toEqual(1)
-
-        carouselEl.removeEventListener('slid.bs.carousel', onSlid)
-        carouselEl.addEventListener('slid.bs.carousel', onSlid2)
-
-        carousel.prev()
-      }
-
-      const onSlid2 = e => {
-        expect(e.direction).toEqual('right')
-        done()
-      }
-
-      carouselEl.addEventListener('slid.bs.carousel', onSlid)
-      carousel.next()
-    })
-
-    it('should get interval from data attribute in individual item', () => {
-      fixtureEl.innerHTML = [
-        '<div id="myCarousel" class="carousel slide">',
-        '  <div class="carousel-inner">',
-        '    <div class="carousel-item active">item 1</div>',
-        '    <div class="carousel-item" data-interval="7">item 2</div>',
-        '    <div class="carousel-item">item 3</div>',
-        '  </div>',
-        '</div>'
-      ].join('')
-
-      const carouselEl = fixtureEl.querySelector('#myCarousel')
-      const carousel = new Carousel(carouselEl, {
-        interval: 1814
-      })
-
-      expect(carousel._config.interval).toEqual(1814)
-
-      carousel.next()
-
-      expect(carousel._config.interval).toEqual(7)
-    })
-
-    it('should update indicators if present', done => {
-      fixtureEl.innerHTML = [
-        '<div id="myCarousel" class="carousel slide">',
-        '  <ol class="carousel-indicators">',
-        '    <li data-target="#myCarousel" data-slide-to="0" class="active"></li>',
-        '    <li id="secondIndicator" data-target="#myCarousel" data-slide-to="1"></li>',
-        '    <li data-target="#myCarousel" data-slide-to="2"></li>',
-        '  </ol>',
-        '  <div class="carousel-inner">',
-        '    <div class="carousel-item active">item 1</div>',
-        '    <div class="carousel-item" data-interval="7">item 2</div>',
-        '    <div class="carousel-item">item 3</div>',
-        '  </div>',
-        '</div>'
-      ].join('')
-
-      const carouselEl = fixtureEl.querySelector('#myCarousel')
-      const secondIndicator = fixtureEl.querySelector('#secondIndicator')
-      const carousel = new Carousel(carouselEl)
-
-      carouselEl.addEventListener('slid.bs.carousel', () => {
-        expect(secondIndicator.classList.contains('active')).toEqual(true)
-        done()
-      })
-
-      carousel.next()
-    })
-  })
-
-  describe('nextWhenVisible', () => {
-    it('should not call next when the page is not visible', () => {
-      fixtureEl.innerHTML = [
-        '<div style="display: none;">',
-        '  <div class="carousel" data-interval="false"></div>',
-        '</div>'
-      ].join('')
-
-      const carouselEl = fixtureEl.querySelector('.carousel')
-      const carousel = new Carousel(carouselEl)
-
-      spyOn(carousel, 'next')
-
-      carousel.nextWhenVisible()
-
-      expect(carousel.next).not.toHaveBeenCalled()
-    })
-  })
-
-  describe('prev', () => {
-    it('should not slide if the carousel is sliding', () => {
-      fixtureEl.innerHTML = '<div></div>'
-
-      const carouselEl = fixtureEl.querySelector('div')
-      const carousel = new Carousel(carouselEl, {})
-
-      spyOn(carousel, '_slide')
-
-      carousel._isSliding = true
-      carousel.prev()
-
-      expect(carousel._slide).not.toHaveBeenCalled()
-    })
-  })
-
-  describe('pause', () => {
-    it('should call cycle if the carousel have carousel-item-next and carousel-item-prev class', () => {
-      fixtureEl.innerHTML = [
-        '<div id="myCarousel" class="carousel slide">',
-        '  <div class="carousel-inner">',
-        '    <div class="carousel-item active">item 1</div>',
-        '    <div class="carousel-item carousel-item-next">item 2</div>',
-        '    <div class="carousel-item">item 3</div>',
-        '  </div>',
-        '  <div class="carousel-control-prev"></div>',
-        '  <div class="carousel-control-next"></div>',
-        '</div>'
-      ].join('')
-
-      const carouselEl = fixtureEl.querySelector('#myCarousel')
-      const carousel = new Carousel(carouselEl)
-
-      spyOn(carousel, 'cycle')
-      spyOn(window, 'clearInterval')
-
-      carousel.pause()
-
-      expect(carousel.cycle).toHaveBeenCalledWith(true)
-      expect(window.clearInterval).toHaveBeenCalled()
-      expect(carousel._isPaused).toEqual(true)
-    })
-
-    it('should not call cycle if nothing is in transition', () => {
-      fixtureEl.innerHTML = [
-        '<div id="myCarousel" class="carousel slide">',
-        '  <div class="carousel-inner">',
-        '    <div class="carousel-item active">item 1</div>',
-        '    <div class="carousel-item">item 2</div>',
-        '    <div class="carousel-item">item 3</div>',
-        '  </div>',
-        '  <div class="carousel-control-prev"></div>',
-        '  <div class="carousel-control-next"></div>',
-        '</div>'
-      ].join('')
-
-      const carouselEl = fixtureEl.querySelector('#myCarousel')
-      const carousel = new Carousel(carouselEl)
-
-      spyOn(carousel, 'cycle')
-      spyOn(window, 'clearInterval')
-
-      carousel.pause()
-
-      expect(carousel.cycle).not.toHaveBeenCalled()
-      expect(window.clearInterval).toHaveBeenCalled()
-      expect(carousel._isPaused).toEqual(true)
-    })
-
-    it('should not set is paused at true if an event is passed', () => {
-      fixtureEl.innerHTML = [
-        '<div id="myCarousel" class="carousel slide">',
-        '  <div class="carousel-inner">',
-        '    <div class="carousel-item active">item 1</div>',
-        '    <div class="carousel-item">item 2</div>',
-        '    <div class="carousel-item">item 3</div>',
-        '  </div>',
-        '  <div class="carousel-control-prev"></div>',
-        '  <div class="carousel-control-next"></div>',
-        '</div>'
-      ].join('')
-
-      const carouselEl = fixtureEl.querySelector('#myCarousel')
-      const carousel = new Carousel(carouselEl)
-      const event = createEvent('mouseenter')
-
-      spyOn(window, 'clearInterval')
-
-      carousel.pause(event)
-
-      expect(window.clearInterval).toHaveBeenCalled()
-      expect(carousel._isPaused).toEqual(false)
-    })
-  })
-
-  describe('cycle', () => {
-    it('should set an interval', () => {
-      fixtureEl.innerHTML = [
-        '<div id="myCarousel" class="carousel slide">',
-        '  <div class="carousel-inner">',
-        '    <div class="carousel-item active">item 1</div>',
-        '    <div class="carousel-item">item 2</div>',
-        '    <div class="carousel-item">item 3</div>',
-        '  </div>',
-        '  <div class="carousel-control-prev"></div>',
-        '  <div class="carousel-control-next"></div>',
-        '</div>'
-      ].join('')
-
-      const carouselEl = fixtureEl.querySelector('#myCarousel')
-      const carousel = new Carousel(carouselEl)
-
-      spyOn(window, 'setInterval').and.callThrough()
-
-      carousel.cycle()
-
-      expect(window.setInterval).toHaveBeenCalled()
-    })
-
-    it('should not set interval if the carousel is paused', () => {
-      fixtureEl.innerHTML = [
-        '<div id="myCarousel" class="carousel slide">',
-        '  <div class="carousel-inner">',
-        '    <div class="carousel-item active">item 1</div>',
-        '    <div class="carousel-item">item 2</div>',
-        '    <div class="carousel-item">item 3</div>',
-        '  </div>',
-        '  <div class="carousel-control-prev"></div>',
-        '  <div class="carousel-control-next"></div>',
-        '</div>'
-      ].join('')
-
-      const carouselEl = fixtureEl.querySelector('#myCarousel')
-      const carousel = new Carousel(carouselEl)
-
-      spyOn(window, 'setInterval').and.callThrough()
-
-      carousel._isPaused = true
-      carousel.cycle(true)
-
-      expect(window.setInterval).not.toHaveBeenCalled()
-    })
-
-    it('should clear interval if there is one', () => {
-      fixtureEl.innerHTML = [
-        '<div id="myCarousel" class="carousel slide">',
-        '  <div class="carousel-inner">',
-        '    <div class="carousel-item active">item 1</div>',
-        '    <div class="carousel-item">item 2</div>',
-        '    <div class="carousel-item">item 3</div>',
-        '  </div>',
-        '  <div class="carousel-control-prev"></div>',
-        '  <div class="carousel-control-next"></div>',
-        '</div>'
-      ].join('')
-
-      const carouselEl = fixtureEl.querySelector('#myCarousel')
-      const carousel = new Carousel(carouselEl)
-
-      carousel._interval = setInterval(() => {}, 10)
-
-      spyOn(window, 'setInterval').and.callThrough()
-      spyOn(window, 'clearInterval').and.callThrough()
-
-      carousel.cycle()
-
-      expect(window.setInterval).toHaveBeenCalled()
-      expect(window.clearInterval).toHaveBeenCalled()
-    })
-  })
-
-  describe('to', () => {
-    it('should go directement to the provided index', done => {
-      fixtureEl.innerHTML = [
-        '<div id="myCarousel" class="carousel slide">',
-        '  <div class="carousel-inner">',
-        '    <div id="item1" class="carousel-item active">item 1</div>',
-        '    <div class="carousel-item">item 2</div>',
-        '    <div id="item3" class="carousel-item">item 3</div>',
-        '  </div>',
-        '</div>'
-      ].join('')
-
-      const carouselEl = fixtureEl.querySelector('#myCarousel')
-      const carousel = new Carousel(carouselEl, {})
-
-      expect(fixtureEl.querySelector('.active')).toEqual(fixtureEl.querySelector('#item1'))
-
-      carousel.to(2)
-
-      carouselEl.addEventListener('slid.bs.carousel', () => {
-        expect(fixtureEl.querySelector('.active')).toEqual(fixtureEl.querySelector('#item3'))
-        done()
-      })
-    })
-
-    it('should return to a previous slide if the provided index is lower than the current', done => {
-      fixtureEl.innerHTML = [
-        '<div id="myCarousel" class="carousel slide">',
-        '  <div class="carousel-inner">',
-        '    <div class="carousel-item">item 1</div>',
-        '    <div id="item2" class="carousel-item">item 2</div>',
-        '    <div id="item3" class="carousel-item active">item 3</div>',
-        '  </div>',
-        '</div>'
-      ].join('')
-
-      const carouselEl = fixtureEl.querySelector('#myCarousel')
-      const carousel = new Carousel(carouselEl, {})
-
-      expect(fixtureEl.querySelector('.active')).toEqual(fixtureEl.querySelector('#item3'))
-
-      carousel.to(1)
-
-      carouselEl.addEventListener('slid.bs.carousel', () => {
-        expect(fixtureEl.querySelector('.active')).toEqual(fixtureEl.querySelector('#item2'))
-        done()
-      })
-    })
-
-    it('should do nothing if a wrong index is provided', () => {
-      fixtureEl.innerHTML = [
-        '<div id="myCarousel" class="carousel slide">',
-        '  <div class="carousel-inner">',
-        '    <div class="carousel-item active">item 1</div>',
-        '    <div class="carousel-item" data-interval="7">item 2</div>',
-        '    <div class="carousel-item">item 3</div>',
-        '  </div>',
-        '</div>'
-      ].join('')
-
-      const carouselEl = fixtureEl.querySelector('#myCarousel')
-      const carousel = new Carousel(carouselEl, {})
-
-      const spy = spyOn(carousel, '_slide')
-
-      carousel.to(25)
-
-      expect(spy).not.toHaveBeenCalled()
-
-      spy.calls.reset()
-
-      carousel.to(-5)
-
-      expect(spy).not.toHaveBeenCalled()
-    })
-
-    it('should call pause and cycle is the provided is the same compare to the current one', () => {
-      fixtureEl.innerHTML = [
-        '<div id="myCarousel" class="carousel slide">',
-        '  <div class="carousel-inner">',
-        '    <div class="carousel-item active">item 1</div>',
-        '    <div class="carousel-item" data-interval="7">item 2</div>',
-        '    <div class="carousel-item">item 3</div>',
-        '  </div>',
-        '</div>'
-      ].join('')
-
-      const carouselEl = fixtureEl.querySelector('#myCarousel')
-      const carousel = new Carousel(carouselEl, {})
-
-      spyOn(carousel, '_slide')
-      spyOn(carousel, 'pause')
-      spyOn(carousel, 'cycle')
-
-      carousel.to(0)
-
-      expect(carousel._slide).not.toHaveBeenCalled()
-      expect(carousel.pause).toHaveBeenCalled()
-      expect(carousel.cycle).toHaveBeenCalled()
-    })
-
-    it('should wait before performing to if a slide is sliding', done => {
-      fixtureEl.innerHTML = [
-        '<div id="myCarousel" class="carousel slide">',
-        '  <div class="carousel-inner">',
-        '    <div class="carousel-item active">item 1</div>',
-        '    <div class="carousel-item" data-interval="7">item 2</div>',
-        '    <div class="carousel-item">item 3</div>',
-        '  </div>',
-        '</div>'
-      ].join('')
-
-      const carouselEl = fixtureEl.querySelector('#myCarousel')
-      const carousel = new Carousel(carouselEl, {})
-
-      spyOn(EventHandler, 'one').and.callThrough()
-      spyOn(carousel, '_slide')
-
-      carousel._isSliding = true
-      carousel.to(1)
-
-      expect(carousel._slide).not.toHaveBeenCalled()
-      expect(EventHandler.one).toHaveBeenCalled()
-
-      spyOn(carousel, 'to')
-
-      EventHandler.trigger(carouselEl, 'slid.bs.carousel')
-
-      setTimeout(() => {
-        expect(carousel.to).toHaveBeenCalledWith(1)
-        done()
-      })
-    })
-  })
-
-  describe('dispose', () => {
-    it('should destroy a carousel', () => {
-      fixtureEl.innerHTML = [
-        '<div id="myCarousel" class="carousel slide">',
-        '  <div class="carousel-inner">',
-        '    <div class="carousel-item active">item 1</div>',
-        '    <div class="carousel-item" data-interval="7">item 2</div>',
-        '    <div class="carousel-item">item 3</div>',
-        '  </div>',
-        '</div>'
-      ].join('')
-
-      const carouselEl = fixtureEl.querySelector('#myCarousel')
-      const carousel = new Carousel(carouselEl)
-
-      spyOn(EventHandler, 'off').and.callThrough()
-
-      carousel.dispose()
-
-      expect(EventHandler.off).toHaveBeenCalled()
-    })
-  })
-
-  describe('jQueryInterface', () => {
-    it('should create a carousel', () => {
-      fixtureEl.innerHTML = '<div></div>'
-
-      const div = fixtureEl.querySelector('div')
-
-      jQueryMock.fn.carousel = Carousel.jQueryInterface
-      jQueryMock.elements = [div]
-
-      jQueryMock.fn.carousel.call(jQueryMock)
-
-      expect(Carousel.getInstance(div)).toBeDefined()
-    })
-
-    it('should not re create a carousel', () => {
-      fixtureEl.innerHTML = '<div></div>'
-
-      const div = fixtureEl.querySelector('div')
-      const carousel = new Carousel(div)
-
-      jQueryMock.fn.carousel = Carousel.jQueryInterface
-      jQueryMock.elements = [div]
-
-      jQueryMock.fn.carousel.call(jQueryMock)
-
-      expect(Carousel.getInstance(div)).toEqual(carousel)
-    })
-
-    it('should call to if the config is a number', () => {
-      fixtureEl.innerHTML = '<div></div>'
-
-      const div = fixtureEl.querySelector('div')
-      const carousel = new Carousel(div)
-      const slideTo = 2
-
-      spyOn(carousel, 'to')
-
-      jQueryMock.fn.carousel = Carousel.jQueryInterface
-      jQueryMock.elements = [div]
-
-      jQueryMock.fn.carousel.call(jQueryMock, slideTo)
-
-      expect(carousel.to).toHaveBeenCalledWith(slideTo)
-    })
-
-    it('should throw error on undefined method', () => {
-      fixtureEl.innerHTML = '<div></div>'
-
-      const div = fixtureEl.querySelector('div')
-      const action = 'undefinedMethod'
-
-      jQueryMock.fn.carousel = Carousel.jQueryInterface
-      jQueryMock.elements = [div]
-
-      try {
-        jQueryMock.fn.carousel.call(jQueryMock, action)
-      } catch (error) {
-        expect(error.message).toEqual(`No method named "${action}"`)
-      }
-    })
-  })
-
-  describe('data-api', () => {
-    it('should init carousels with data-ride="carousel" on load', () => {
-      fixtureEl.innerHTML = '<div data-ride="carousel"></div>'
-
-      const carouselEl = fixtureEl.querySelector('div')
-      const loadEvent = createEvent('load')
-
-      window.dispatchEvent(loadEvent)
-
-      expect(Carousel.getInstance(carouselEl)).toBeDefined()
-    })
-
-    it('should create carousel and go to the next slide on click', done => {
-      fixtureEl.innerHTML = [
-        '<div id="myCarousel" class="carousel slide">',
-        '  <div class="carousel-inner">',
-        '    <div class="carousel-item active">item 1</div>',
-        '    <div id="item2" class="carousel-item">item 2</div>',
-        '    <div class="carousel-item">item 3</div>',
-        '  </div>',
-        '  <div class="carousel-control-prev" data-target="#myCarousel" role="button" data-slide="prev"></div>',
-        '  <div id="next" class="carousel-control-next" data-target="#myCarousel" role="button" data-slide="next"></div>',
-        '</div>'
-      ].join('')
-
-      const next = fixtureEl.querySelector('#next')
-      const item2 = fixtureEl.querySelector('#item2')
-
-      next.click()
-
-      setTimeout(() => {
-        expect(item2.classList.contains('active')).toEqual(true)
-        done()
-      }, 10)
-    })
-
-    it('should create carousel and go to the next slide on click with data-slide-to', done => {
-      fixtureEl.innerHTML = [
-        '<div id="myCarousel" class="carousel slide">',
-        '  <div class="carousel-inner">',
-        '    <div class="carousel-item active">item 1</div>',
-        '    <div id="item2" class="carousel-item">item 2</div>',
-        '    <div class="carousel-item">item 3</div>',
-        '  </div>',
-        '  <div id="next" data-target="#myCarousel" data-slide-to="1"></div>',
-        '</div>'
-      ].join('')
-
-      const next = fixtureEl.querySelector('#next')
-      const item2 = fixtureEl.querySelector('#item2')
-
-      next.click()
-
-      setTimeout(() => {
-        expect(item2.classList.contains('active')).toEqual(true)
-        done()
-      }, 10)
-    })
-
-    it('should do nothing if no selector on click on arrows', () => {
-      fixtureEl.innerHTML = [
-        '<div id="myCarousel" class="carousel slide">',
-        '  <div class="carousel-inner">',
-        '    <div class="carousel-item active">item 1</div>',
-        '    <div class="carousel-item">item 2</div>',
-        '    <div class="carousel-item">item 3</div>',
-        '  </div>',
-        '  <div class="carousel-control-prev" data-target="#myCarousel" role="button" data-slide="prev"></div>',
-        '  <div id="next" class="carousel-control-next" role="button" data-slide="next"></div>',
-        '</div>'
-      ].join('')
-
-      const next = fixtureEl.querySelector('#next')
-
-      next.click()
-
-      expect().nothing()
-    })
-
-    it('should do nothing if no carousel class on click on arrows', () => {
-      fixtureEl.innerHTML = [
-        '<div id="myCarousel" class="slide">',
-        '  <div class="carousel-inner">',
-        '    <div class="carousel-item active">item 1</div>',
-        '    <div id="item2" class="carousel-item">item 2</div>',
-        '    <div class="carousel-item">item 3</div>',
-        '  </div>',
-        '  <div class="carousel-control-prev" data-target="#myCarousel" role="button" data-slide="prev"></div>',
-        '  <div id="next" class="carousel-control-next" data-target="#myCarousel" role="button" data-slide="next"></div>',
-        '</div>'
-      ].join('')
-
-      const next = fixtureEl.querySelector('#next')
-
-      next.click()
-
-      expect().nothing()
-    })
-  })
-})