return to the original file structure to avoid breaking modularity

2 files changed, 0 insertions, 1267 deletions

diff --git a/js/src/collapse/collapse.js b/js/src/collapse/collapse.js
deleted file mode 100644
index 4de7b5282..000000000
--- a/js/src/collapse/collapse.js
+++ /dev/null
@@ -1,441 +0,0 @@
-/**
- * --------------------------------------------------------------------------
- * Bootstrap (v4.3.1): collapse.js
- * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
- * --------------------------------------------------------------------------
- */
-
-import {
-  getjQuery,
-  TRANSITION_END,
-  emulateTransitionEnd,
-  getSelectorFromElement,
-  getElementFromSelector,
-  getTransitionDurationFromElement,
-  isElement,
-  makeArray,
-  reflow,
-  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 = 'collapse'
-const VERSION = '4.3.1'
-const DATA_KEY = 'bs.collapse'
-const EVENT_KEY = `.${DATA_KEY}`
-const DATA_API_KEY = '.data-api'
-
-const Default = {
-  toggle: true,
-  parent: ''
-}
-
-const DefaultType = {
-  toggle: 'boolean',
-  parent: '(string|element)'
-}
-
-const Event = {
-  SHOW: `show${EVENT_KEY}`,
-  SHOWN: `shown${EVENT_KEY}`,
-  HIDE: `hide${EVENT_KEY}`,
-  HIDDEN: `hidden${EVENT_KEY}`,
-  CLICK_DATA_API: `click${EVENT_KEY}${DATA_API_KEY}`
-}
-
-const ClassName = {
-  SHOW: 'show',
-  COLLAPSE: 'collapse',
-  COLLAPSING: 'collapsing',
-  COLLAPSED: 'collapsed'
-}
-
-const Dimension = {
-  WIDTH: 'width',
-  HEIGHT: 'height'
-}
-
-const Selector = {
-  ACTIVES: '.show, .collapsing',
-  DATA_TOGGLE: '[data-toggle="collapse"]'
-}
-
-/**
- * ------------------------------------------------------------------------
- * Class Definition
- * ------------------------------------------------------------------------
- */
-
-class Collapse {
-  constructor(element, config) {
-    this._isTransitioning = false
-    this._element = element
-    this._config = this._getConfig(config)
-    this._triggerArray = makeArray(SelectorEngine.find(
-      `[data-toggle="collapse"][href="#${element.id}"],` +
-      `[data-toggle="collapse"][data-target="#${element.id}"]`
-    ))
-
-    const toggleList = makeArray(SelectorEngine.find(Selector.DATA_TOGGLE))
-    for (let i = 0, len = toggleList.length; i < len; i++) {
-      const elem = toggleList[i]
-      const selector = getSelectorFromElement(elem)
-      const filterElement = makeArray(SelectorEngine.find(selector))
-        .filter(foundElem => foundElem === element)
-
-      if (selector !== null && filterElement.length) {
-        this._selector = selector
-        this._triggerArray.push(elem)
-      }
-    }
-
-    this._parent = this._config.parent ? this._getParent() : null
-
-    if (!this._config.parent) {
-      this._addAriaAndCollapsedClass(this._element, this._triggerArray)
-    }
-
-    if (this._config.toggle) {
-      this.toggle()
-    }
-
-    Data.setData(element, DATA_KEY, this)
-  }
-
-  // Getters
-
-  static get VERSION() {
-    return VERSION
-  }
-
-  static get Default() {
-    return Default
-  }
-
-  // Public
-
-  toggle() {
-    if (this._element.classList.contains(ClassName.SHOW)) {
-      this.hide()
-    } else {
-      this.show()
-    }
-  }
-
-  show() {
-    if (this._isTransitioning ||
-      this._element.classList.contains(ClassName.SHOW)) {
-      return
-    }
-
-    let actives
-    let activesData
-
-    if (this._parent) {
-      actives = makeArray(SelectorEngine.find(Selector.ACTIVES, this._parent))
-        .filter(elem => {
-          if (typeof this._config.parent === 'string') {
-            return elem.getAttribute('data-parent') === this._config.parent
-          }
-
-          return elem.classList.contains(ClassName.COLLAPSE)
-        })
-
-      if (actives.length === 0) {
-        actives = null
-      }
-    }
-
-    const container = SelectorEngine.findOne(this._selector)
-    if (actives) {
-      const tempActiveData = actives.filter(elem => container !== elem)
-      activesData = tempActiveData[0] ? Data.getData(tempActiveData[0], DATA_KEY) : null
-
-      if (activesData && activesData._isTransitioning) {
-        return
-      }
-    }
-
-    const startEvent = EventHandler.trigger(this._element, Event.SHOW)
-    if (startEvent.defaultPrevented) {
-      return
-    }
-
-    if (actives) {
-      actives.forEach(elemActive => {
-        if (container !== elemActive) {
-          Collapse.collapseInterface(elemActive, 'hide')
-        }
-
-        if (!activesData) {
-          Data.setData(elemActive, DATA_KEY, null)
-        }
-      })
-    }
-
-    const dimension = this._getDimension()
-
-    this._element.classList.remove(ClassName.COLLAPSE)
-    this._element.classList.add(ClassName.COLLAPSING)
-
-    this._element.style[dimension] = 0
-
-    if (this._triggerArray.length) {
-      this._triggerArray.forEach(element => {
-        element.classList.remove(ClassName.COLLAPSED)
-        element.setAttribute('aria-expanded', true)
-      })
-    }
-
-    this.setTransitioning(true)
-
-    const complete = () => {
-      this._element.classList.remove(ClassName.COLLAPSING)
-      this._element.classList.add(ClassName.COLLAPSE)
-      this._element.classList.add(ClassName.SHOW)
-
-      this._element.style[dimension] = ''
-
-      this.setTransitioning(false)
-
-      EventHandler.trigger(this._element, Event.SHOWN)
-    }
-
-    const capitalizedDimension = dimension[0].toUpperCase() + dimension.slice(1)
-    const scrollSize = `scroll${capitalizedDimension}`
-    const transitionDuration = getTransitionDurationFromElement(this._element)
-
-    EventHandler.one(this._element, TRANSITION_END, complete)
-
-    emulateTransitionEnd(this._element, transitionDuration)
-    this._element.style[dimension] = `${this._element[scrollSize]}px`
-  }
-
-  hide() {
-    if (this._isTransitioning ||
-      !this._element.classList.contains(ClassName.SHOW)) {
-      return
-    }
-
-    const startEvent = EventHandler.trigger(this._element, Event.HIDE)
-    if (startEvent.defaultPrevented) {
-      return
-    }
-
-    const dimension = this._getDimension()
-
-    this._element.style[dimension] = `${this._element.getBoundingClientRect()[dimension]}px`
-
-    reflow(this._element)
-
-    this._element.classList.add(ClassName.COLLAPSING)
-    this._element.classList.remove(ClassName.COLLAPSE)
-    this._element.classList.remove(ClassName.SHOW)
-
-    const triggerArrayLength = this._triggerArray.length
-    if (triggerArrayLength > 0) {
-      for (let i = 0; i < triggerArrayLength; i++) {
-        const trigger = this._triggerArray[i]
-        const elem = getElementFromSelector(trigger)
-
-        if (elem && !elem.classList.contains(ClassName.SHOW)) {
-          trigger.classList.add(ClassName.COLLAPSED)
-          trigger.setAttribute('aria-expanded', false)
-        }
-      }
-    }
-
-    this.setTransitioning(true)
-
-    const complete = () => {
-      this.setTransitioning(false)
-      this._element.classList.remove(ClassName.COLLAPSING)
-      this._element.classList.add(ClassName.COLLAPSE)
-      EventHandler.trigger(this._element, Event.HIDDEN)
-    }
-
-    this._element.style[dimension] = ''
-    const transitionDuration = getTransitionDurationFromElement(this._element)
-
-    EventHandler.one(this._element, TRANSITION_END, complete)
-    emulateTransitionEnd(this._element, transitionDuration)
-  }
-
-  setTransitioning(isTransitioning) {
-    this._isTransitioning = isTransitioning
-  }
-
-  dispose() {
-    Data.removeData(this._element, DATA_KEY)
-
-    this._config = null
-    this._parent = null
-    this._element = null
-    this._triggerArray = null
-    this._isTransitioning = null
-  }
-
-  // Private
-
-  _getConfig(config) {
-    config = {
-      ...Default,
-      ...config
-    }
-    config.toggle = Boolean(config.toggle) // Coerce string values
-    typeCheckConfig(NAME, config, DefaultType)
-    return config
-  }
-
-  _getDimension() {
-    const hasWidth = this._element.classList.contains(Dimension.WIDTH)
-    return hasWidth ? Dimension.WIDTH : Dimension.HEIGHT
-  }
-
-  _getParent() {
-    let { parent } = this._config
-
-    if (isElement(parent)) {
-      // it's a jQuery object
-      if (typeof parent.jquery !== 'undefined' || typeof parent[0] !== 'undefined') {
-        parent = parent[0]
-      }
-    } else {
-      parent = SelectorEngine.findOne(parent)
-    }
-
-    const selector = `[data-toggle="collapse"][data-parent="${parent}"]`
-
-    makeArray(SelectorEngine.find(selector, parent))
-      .forEach(element => {
-        const selected = getElementFromSelector(element)
-
-        this._addAriaAndCollapsedClass(
-          selected,
-          [element]
-        )
-      })
-
-    return parent
-  }
-
-  _addAriaAndCollapsedClass(element, triggerArray) {
-    if (element) {
-      const isOpen = element.classList.contains(ClassName.SHOW)
-
-      if (triggerArray.length) {
-        triggerArray.forEach(elem => {
-          if (isOpen) {
-            elem.classList.remove(ClassName.COLLAPSED)
-          } else {
-            elem.classList.add(ClassName.COLLAPSED)
-          }
-
-          elem.setAttribute('aria-expanded', isOpen)
-        })
-      }
-    }
-  }
-
-  // Static
-
-  static collapseInterface(element, config) {
-    let data = Data.getData(element, DATA_KEY)
-    const _config = {
-      ...Default,
-      ...Manipulator.getDataAttributes(element),
-      ...typeof config === 'object' && config ? config : {}
-    }
-
-    if (!data && _config.toggle && /show|hide/.test(config)) {
-      _config.toggle = false
-    }
-
-    if (!data) {
-      data = new Collapse(element, _config)
-    }
-
-    if (typeof config === 'string') {
-      if (typeof data[config] === 'undefined') {
-        throw new TypeError(`No method named "${config}"`)
-      }
-
-      data[config]()
-    }
-  }
-
-  static jQueryInterface(config) {
-    return this.each(function () {
-      Collapse.collapseInterface(this, config)
-    })
-  }
-
-  static getInstance(element) {
-    return Data.getData(element, DATA_KEY)
-  }
-}
-
-/**
- * ------------------------------------------------------------------------
- * Data Api implementation
- * ------------------------------------------------------------------------
- */
-
-EventHandler.on(document, Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
-  // preventDefault only for <a> elements (which change the URL) not inside the collapsible element
-  if (event.target.tagName === 'A') {
-    event.preventDefault()
-  }
-
-  const triggerData = Manipulator.getDataAttributes(this)
-  const selector = getSelectorFromElement(this)
-  const selectorElements = makeArray(SelectorEngine.find(selector))
-
-  selectorElements.forEach(element => {
-    const data = Data.getData(element, DATA_KEY)
-    let config
-    if (data) {
-      // update parent attribute
-      if (data._parent === null && typeof triggerData.parent === 'string') {
-        data._config.parent = triggerData.parent
-        data._parent = data._getParent()
-      }
-
-      config = 'toggle'
-    } else {
-      config = triggerData
-    }
-
-    Collapse.collapseInterface(element, config)
-  })
-})
-
-const $ = getjQuery()
-
-/**
- * ------------------------------------------------------------------------
- * jQuery
- * ------------------------------------------------------------------------
- * add .collapse to jQuery only if jQuery is present
- */
-/* istanbul ignore if */
-if ($) {
-  const JQUERY_NO_CONFLICT = $.fn[NAME]
-  $.fn[NAME] = Collapse.jQueryInterface
-  $.fn[NAME].Constructor = Collapse
-  $.fn[NAME].noConflict = () => {
-    $.fn[NAME] = JQUERY_NO_CONFLICT
-    return Collapse.jQueryInterface
-  }
-}
-
-export default Collapse
diff --git a/js/src/collapse/collapse.spec.js b/js/src/collapse/collapse.spec.js
deleted file mode 100644
index 154bc2c6b..000000000
--- a/js/src/collapse/collapse.spec.js
+++ /dev/null
@@ -1,826 +0,0 @@
-import Collapse from './collapse'
-import EventHandler from '../dom/event-handler'
-import { makeArray } from '../util/index'
-
-/** Test helpers */
-import { getFixture, clearFixture, jQueryMock } from '../../tests/helpers/fixture'
-
-describe('Collapse', () => {
-  let fixtureEl
-
-  beforeAll(() => {
-    fixtureEl = getFixture()
-  })
-
-  afterEach(() => {
-    clearFixture()
-  })
-
-  describe('VERSION', () => {
-    it('should return plugin version', () => {
-      expect(Collapse.VERSION).toEqual(jasmine.any(String))
-    })
-  })
-
-  describe('Default', () => {
-    it('should return plugin default config', () => {
-      expect(Collapse.Default).toEqual(jasmine.any(Object))
-    })
-  })
-
-  describe('constructor', () => {
-    it('should allow jquery object in parent config', () => {
-      fixtureEl.innerHTML = [
-        '<div class="my-collapse">',
-        '  <div class="item">',
-        '    <a data-toggle="collapse" href="#">Toggle item</a>',
-        '    <div class="collapse">Lorem ipsum</div>',
-        '  </div>',
-        '</div>'
-      ].join('')
-
-      const collapseEl = fixtureEl.querySelector('div.collapse')
-      const myCollapseEl = fixtureEl.querySelector('.my-collapse')
-      const fakejQueryObject = {
-        0: myCollapseEl
-      }
-      const collapse = new Collapse(collapseEl, {
-        parent: fakejQueryObject
-      })
-
-      expect(collapse._config.parent).toEqual(fakejQueryObject)
-      expect(collapse._getParent()).toEqual(myCollapseEl)
-    })
-
-    it('should allow non jquery object in parent config', () => {
-      fixtureEl.innerHTML = [
-        '<div class="my-collapse">',
-        '  <div class="item">',
-        '    <a data-toggle="collapse" href="#">Toggle item</a>',
-        '    <div class="collapse">Lorem ipsum</div>',
-        '  </div>',
-        '</div>'
-      ].join('')
-
-      const collapseEl = fixtureEl.querySelector('div.collapse')
-      const myCollapseEl = fixtureEl.querySelector('.my-collapse')
-      const collapse = new Collapse(collapseEl, {
-        parent: myCollapseEl
-      })
-
-      expect(collapse._config.parent).toEqual(myCollapseEl)
-    })
-
-    it('should allow string selector in parent config', () => {
-      fixtureEl.innerHTML = [
-        '<div class="my-collapse">',
-        '  <div class="item">',
-        '    <a data-toggle="collapse" href="#">Toggle item</a>',
-        '    <div class="collapse">Lorem ipsum</div>',
-        '  </div>',
-        '</div>'
-      ].join('')
-
-      const collapseEl = fixtureEl.querySelector('div.collapse')
-      const myCollapseEl = fixtureEl.querySelector('.my-collapse')
-      const collapse = new Collapse(collapseEl, {
-        parent: 'div.my-collapse'
-      })
-
-      expect(collapse._config.parent).toEqual('div.my-collapse')
-      expect(collapse._getParent()).toEqual(myCollapseEl)
-    })
-  })
-
-  describe('toggle', () => {
-    it('should call show method if show class is not present', () => {
-      fixtureEl.innerHTML = '<div></div>'
-
-      const collapseEl = fixtureEl.querySelector('div')
-      const collapse = new Collapse(collapseEl)
-
-      spyOn(collapse, 'show')
-
-      collapse.toggle()
-
-      expect(collapse.show).toHaveBeenCalled()
-    })
-
-    it('should call hide method if show class is present', () => {
-      fixtureEl.innerHTML = '<div class="show"></div>'
-
-      const collapseEl = fixtureEl.querySelector('.show')
-      const collapse = new Collapse(collapseEl, {
-        toggle: false
-      })
-
-      spyOn(collapse, 'hide')
-
-      collapse.toggle()
-
-      expect(collapse.hide).toHaveBeenCalled()
-    })
-
-    it('should find collapse children if they have collapse class too not only data-parent', done => {
-      fixtureEl.innerHTML = [
-        '<div class="my-collapse">',
-        '  <div class="item">',
-        '    <a data-toggle="collapse" href="#">Toggle item 1</a>',
-        '    <div id="collapse1" class="collapse show">Lorem ipsum 1</div>',
-        '  </div>',
-        '  <div class="item">',
-        '    <a id="triggerCollapse2" data-toggle="collapse" href="#">Toggle item 2</a>',
-        '    <div id="collapse2" class="collapse">Lorem ipsum 2</div>',
-        '  </div>',
-        '</div>'
-      ].join('')
-
-      const parent = fixtureEl.querySelector('.my-collapse')
-      const collapseEl1 = fixtureEl.querySelector('#collapse1')
-      const collapseEl2 = fixtureEl.querySelector('#collapse2')
-
-      const collapseList = makeArray(fixtureEl.querySelectorAll('.collapse'))
-        .map(el => new Collapse(el, {
-          parent,
-          toggle: false
-        }))
-
-      collapseEl2.addEventListener('shown.bs.collapse', () => {
-        expect(collapseEl2.classList.contains('show')).toEqual(true)
-        expect(collapseEl1.classList.contains('show')).toEqual(false)
-        done()
-      })
-
-      collapseList[1].toggle()
-    })
-  })
-
-  describe('show', () => {
-    it('should do nothing if is transitioning', () => {
-      fixtureEl.innerHTML = '<div></div>'
-
-      spyOn(EventHandler, 'trigger')
-
-      const collapseEl = fixtureEl.querySelector('div')
-      const collapse = new Collapse(collapseEl, {
-        toggle: false
-      })
-
-      collapse._isTransitioning = true
-      collapse.show()
-
-      expect(EventHandler.trigger).not.toHaveBeenCalled()
-    })
-
-    it('should do nothing if already shown', () => {
-      fixtureEl.innerHTML = '<div class="show"></div>'
-
-      spyOn(EventHandler, 'trigger')
-
-      const collapseEl = fixtureEl.querySelector('div')
-      const collapse = new Collapse(collapseEl, {
-        toggle: false
-      })
-
-      collapse.show()
-
-      expect(EventHandler.trigger).not.toHaveBeenCalled()
-    })
-
-    it('should show a collapsed element', done => {
-      fixtureEl.innerHTML = '<div class="collapse" style="height: 0px;"></div>'
-
-      const collapseEl = fixtureEl.querySelector('div')
-      const collapse = new Collapse(collapseEl, {
-        toggle: false
-      })
-
-      collapseEl.addEventListener('show.bs.collapse', () => {
-        expect(collapseEl.style.height).toEqual('0px')
-      })
-      collapseEl.addEventListener('shown.bs.collapse', () => {
-        expect(collapseEl.classList.contains('show')).toEqual(true)
-        expect(collapseEl.style.height).toEqual('')
-        done()
-      })
-
-      collapse.show()
-    })
-
-    it('should show a collapsed element on width', done => {
-      fixtureEl.innerHTML = '<div class="collapse width" style="width: 0px;"></div>'
-
-      const collapseEl = fixtureEl.querySelector('div')
-      const collapse = new Collapse(collapseEl, {
-        toggle: false
-      })
-
-      collapseEl.addEventListener('show.bs.collapse', () => {
-        expect(collapseEl.style.width).toEqual('0px')
-      })
-      collapseEl.addEventListener('shown.bs.collapse', () => {
-        expect(collapseEl.classList.contains('show')).toEqual(true)
-        expect(collapseEl.style.width).toEqual('')
-        done()
-      })
-
-      collapse.show()
-    })
-
-    it('should collapse only the first collapse', done => {
-      fixtureEl.innerHTML = [
-        '<div class="card" id="accordion1">',
-        '  <div id="collapse1" class="collapse"/>',
-        '</div>',
-        '<div class="card" id="accordion2">',
-        '  <div id="collapse2" class="collapse show"/>',
-        '</div>'
-      ].join('')
-
-      const el1 = fixtureEl.querySelector('#collapse1')
-      const el2 = fixtureEl.querySelector('#collapse2')
-      const collapse = new Collapse(el1, {
-        toggle: false
-      })
-
-      el1.addEventListener('shown.bs.collapse', () => {
-        expect(el1.classList.contains('show')).toEqual(true)
-        expect(el2.classList.contains('show')).toEqual(true)
-        done()
-      })
-
-      collapse.show()
-    })
-
-    it('should not fire shown when show is prevented', done => {
-      fixtureEl.innerHTML = '<div class="collapse"></div>'
-
-      const collapseEl = fixtureEl.querySelector('div')
-      const collapse = new Collapse(collapseEl, {
-        toggle: false
-      })
-
-      const expectEnd = () => {
-        setTimeout(() => {
-          expect().nothing()
-          done()
-        }, 10)
-      }
-
-      collapseEl.addEventListener('show.bs.collapse', e => {
-        e.preventDefault()
-        expectEnd()
-      })
-
-      collapseEl.addEventListener('shown.bs.collapse', () => {
-        throw new Error('should not fire shown event')
-      })
-
-      collapse.show()
-    })
-  })
-
-  describe('hide', () => {
-    it('should do nothing if is transitioning', () => {
-      fixtureEl.innerHTML = '<div></div>'
-
-      spyOn(EventHandler, 'trigger')
-
-      const collapseEl = fixtureEl.querySelector('div')
-      const collapse = new Collapse(collapseEl, {
-        toggle: false
-      })
-
-      collapse._isTransitioning = true
-      collapse.hide()
-
-      expect(EventHandler.trigger).not.toHaveBeenCalled()
-    })
-
-    it('should do nothing if already shown', () => {
-      fixtureEl.innerHTML = '<div></div>'
-
-      spyOn(EventHandler, 'trigger')
-
-      const collapseEl = fixtureEl.querySelector('div')
-      const collapse = new Collapse(collapseEl, {
-        toggle: false
-      })
-
-      collapse.hide()
-
-      expect(EventHandler.trigger).not.toHaveBeenCalled()
-    })
-
-    it('should hide a collapsed element', done => {
-      fixtureEl.innerHTML = '<div class="collapse show"></div>'
-
-      const collapseEl = fixtureEl.querySelector('div')
-      const collapse = new Collapse(collapseEl, {
-        toggle: false
-      })
-
-      collapseEl.addEventListener('hidden.bs.collapse', () => {
-        expect(collapseEl.classList.contains('show')).toEqual(false)
-        expect(collapseEl.style.height).toEqual('')
-        done()
-      })
-
-      collapse.hide()
-    })
-
-    it('should not fire hidden when hide is prevented', done => {
-      fixtureEl.innerHTML = '<div class="collapse show"></div>'
-
-      const collapseEl = fixtureEl.querySelector('div')
-      const collapse = new Collapse(collapseEl, {
-        toggle: false
-      })
-
-      const expectEnd = () => {
-        setTimeout(() => {
-          expect().nothing()
-          done()
-        }, 10)
-      }
-
-      collapseEl.addEventListener('hide.bs.collapse', e => {
-        e.preventDefault()
-        expectEnd()
-      })
-
-      collapseEl.addEventListener('hidden.bs.collapse', () => {
-        throw new Error('should not fire hidden event')
-      })
-
-      collapse.hide()
-    })
-  })
-
-  describe('dispose', () => {
-    it('should destroy a collapse', () => {
-      fixtureEl.innerHTML = '<div class="collapse show"></div>'
-
-      const collapseEl = fixtureEl.querySelector('div')
-      const collapse = new Collapse(collapseEl, {
-        toggle: false
-      })
-
-      expect(Collapse.getInstance(collapseEl)).toEqual(collapse)
-
-      collapse.dispose()
-
-      expect(Collapse.getInstance(collapseEl)).toEqual(null)
-    })
-  })
-
-  describe('data-api', () => {
-    it('should show multiple collapsed elements', done => {
-      fixtureEl.innerHTML = [
-        '<a role="button" data-toggle="collapse" class="collapsed" href=".multi"></a>',
-        '<div id="collapse1" class="collapse multi"/>',
-        '<div id="collapse2" class="collapse multi"/>'
-      ].join('')
-
-      const trigger = fixtureEl.querySelector('a')
-      const collapse1 = fixtureEl.querySelector('#collapse1')
-      const collapse2 = fixtureEl.querySelector('#collapse2')
-
-      collapse2.addEventListener('shown.bs.collapse', () => {
-        expect(trigger.getAttribute('aria-expanded')).toEqual('true')
-        expect(trigger.classList.contains('collapsed')).toEqual(false)
-        expect(collapse1.classList.contains('show')).toEqual(true)
-        expect(collapse1.classList.contains('show')).toEqual(true)
-        done()
-      })
-
-      trigger.click()
-    })
-
-    it('should hide multiple collapsed elements', done => {
-      fixtureEl.innerHTML = [
-        '<a role="button" data-toggle="collapse" href=".multi"></a>',
-        '<div id="collapse1" class="collapse multi show"/>',
-        '<div id="collapse2" class="collapse multi show"/>'
-      ].join('')
-
-      const trigger = fixtureEl.querySelector('a')
-      const collapse1 = fixtureEl.querySelector('#collapse1')
-      const collapse2 = fixtureEl.querySelector('#collapse2')
-
-      collapse2.addEventListener('hidden.bs.collapse', () => {
-        expect(trigger.getAttribute('aria-expanded')).toEqual('false')
-        expect(trigger.classList.contains('collapsed')).toEqual(true)
-        expect(collapse1.classList.contains('show')).toEqual(false)
-        expect(collapse1.classList.contains('show')).toEqual(false)
-        done()
-      })
-
-      trigger.click()
-    })
-
-    it('should remove "collapsed" class from target when collapse is shown', done => {
-      fixtureEl.innerHTML = [
-        '<a id="link1" role="button" data-toggle="collapse" class="collapsed" href="#" data-target="#test1" />',
-        '<a id="link2" role="button" data-toggle="collapse" class="collapsed" href="#" data-target="#test1" />',
-        '<div id="test1"></div>'
-      ].join('')
-
-      const link1 = fixtureEl.querySelector('#link1')
-      const link2 = fixtureEl.querySelector('#link2')
-      const collapseTest1 = fixtureEl.querySelector('#test1')
-
-      collapseTest1.addEventListener('shown.bs.collapse', () => {
-        expect(link1.getAttribute('aria-expanded')).toEqual('true')
-        expect(link2.getAttribute('aria-expanded')).toEqual('true')
-        expect(link1.classList.contains('collapsed')).toEqual(false)
-        expect(link2.classList.contains('collapsed')).toEqual(false)
-        done()
-      })
-
-      link1.click()
-    })
-
-    it('should add "collapsed" class to target when collapse is hidden', done => {
-      fixtureEl.innerHTML = [
-        '<a id="link1" role="button" data-toggle="collapse" href="#" data-target="#test1" />',
-        '<a id="link2" role="button" data-toggle="collapse" href="#" data-target="#test1" />',
-        '<div id="test1" class="show"></div>'
-      ].join('')
-
-      const link1 = fixtureEl.querySelector('#link1')
-      const link2 = fixtureEl.querySelector('#link2')
-      const collapseTest1 = fixtureEl.querySelector('#test1')
-
-      collapseTest1.addEventListener('hidden.bs.collapse', () => {
-        expect(link1.getAttribute('aria-expanded')).toEqual('false')
-        expect(link2.getAttribute('aria-expanded')).toEqual('false')
-        expect(link1.classList.contains('collapsed')).toEqual(true)
-        expect(link2.classList.contains('collapsed')).toEqual(true)
-        done()
-      })
-
-      link1.click()
-    })
-
-    it('should allow accordion to use children other than card', done => {
-      fixtureEl.innerHTML = [
-        '<div id="accordion">',
-        '  <div class="item">',
-        '    <a id="linkTrigger" data-toggle="collapse" href="#collapseOne" aria-expanded="false" aria-controls="collapseOne"></a>',
-        '    <div id="collapseOne" class="collapse" role="tabpanel" aria-labelledby="headingThree" data-parent="#accordion"></div>',
-        '  </div>',
-        '  <div class="item">',
-        '    <a id="linkTriggerTwo" data-toggle="collapse" href="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo"></a>',
-        '    <div id="collapseTwo" class="collapse show" role="tabpanel" aria-labelledby="headingTwo" data-parent="#accordion"></div>',
-        '  </div>',
-        '</div>'
-      ].join('')
-
-      const trigger = fixtureEl.querySelector('#linkTrigger')
-      const triggerTwo = fixtureEl.querySelector('#linkTriggerTwo')
-      const collapseOne = fixtureEl.querySelector('#collapseOne')
-      const collapseTwo = fixtureEl.querySelector('#collapseTwo')
-
-      collapseOne.addEventListener('shown.bs.collapse', () => {
-        expect(collapseOne.classList.contains('show')).toEqual(true)
-        expect(collapseTwo.classList.contains('show')).toEqual(false)
-
-        collapseTwo.addEventListener('shown.bs.collapse', () => {
-          expect(collapseOne.classList.contains('show')).toEqual(false)
-          expect(collapseTwo.classList.contains('show')).toEqual(true)
-          done()
-        })
-
-        triggerTwo.click()
-      })
-
-      trigger.click()
-    })
-
-    it('should not prevent event for input', done => {
-      fixtureEl.innerHTML = [
-        '<input type="checkbox" data-toggle="collapse" data-target="#collapsediv1" />',
-        '<div id="collapsediv1"></div>'
-      ].join('')
-
-      const target = fixtureEl.querySelector('input')
-      const collapseEl = fixtureEl.querySelector('#collapsediv1')
-
-      collapseEl.addEventListener('shown.bs.collapse', () => {
-        expect(collapseEl.classList.contains('show')).toEqual(true)
-        expect(target.checked).toEqual(true)
-        done()
-      })
-
-      target.click()
-    })
-
-    it('should allow accordion to contain nested elements', done => {
-      fixtureEl.innerHTML = [
-        '<div id="accordion">',
-        '  <div class="row">',
-        '    <div class="col-lg-6">',
-        '      <div class="item">',
-        '        <a id="linkTrigger" data-toggle="collapse" href="#collapseOne" aria-expanded="false" aria-controls="collapseOne"></a>',
-        '        <div id="collapseOne" class="collapse" role="tabpanel" aria-labelledby="headingThree" data-parent="#accordion"></div>',
-        '      </div>',
-        '    </div>',
-        '    <div class="col-lg-6">',
-        '      <div class="item">',
-        '        <a id="linkTriggerTwo" data-toggle="collapse" href="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo"></a>',
-        '        <div id="collapseTwo" class="collapse show" role="tabpanel" aria-labelledby="headingTwo" data-parent="#accordion"></div>',
-        '      </div>',
-        '    </div>',
-        '  </div>',
-        '</div>'
-      ].join('')
-
-      const triggerEl = fixtureEl.querySelector('#linkTrigger')
-      const triggerTwoEl = fixtureEl.querySelector('#linkTriggerTwo')
-      const collapseOneEl = fixtureEl.querySelector('#collapseOne')
-      const collapseTwoEl = fixtureEl.querySelector('#collapseTwo')
-
-      collapseOneEl.addEventListener('shown.bs.collapse', () => {
-        expect(collapseOneEl.classList.contains('show')).toEqual(true)
-        expect(triggerEl.classList.contains('collapsed')).toEqual(false)
-        expect(triggerEl.getAttribute('aria-expanded')).toEqual('true')
-
-        expect(collapseTwoEl.classList.contains('show')).toEqual(false)
-        expect(triggerTwoEl.classList.contains('collapsed')).toEqual(true)
-        expect(triggerTwoEl.getAttribute('aria-expanded')).toEqual('false')
-
-        collapseTwoEl.addEventListener('shown.bs.collapse', () => {
-          expect(collapseOneEl.classList.contains('show')).toEqual(false)
-          expect(triggerEl.classList.contains('collapsed')).toEqual(true)
-          expect(triggerEl.getAttribute('aria-expanded')).toEqual('false')
-
-          expect(collapseTwoEl.classList.contains('show')).toEqual(true)
-          expect(triggerTwoEl.classList.contains('collapsed')).toEqual(false)
-          expect(triggerTwoEl.getAttribute('aria-expanded')).toEqual('true')
-          done()
-        })
-
-        triggerTwoEl.click()
-      })
-
-      triggerEl.click()
-    })
-
-    it('should allow accordion to target multiple elements', done => {
-      fixtureEl.innerHTML = [
-        '<div id="accordion">',
-        '  <a id="linkTriggerOne" data-toggle="collapse" data-target=".collapseOne" href="#" aria-expanded="false" aria-controls="collapseOne"></a>',
-        '  <a id="linkTriggerTwo" data-toggle="collapse" data-target=".collapseTwo" href="#" aria-expanded="false" aria-controls="collapseTwo"></a>',
-        '  <div id="collapseOneOne" class="collapse collapseOne" role="tabpanel" data-parent="#accordion"></div>',
-        '  <div id="collapseOneTwo" class="collapse collapseOne" role="tabpanel" data-parent="#accordion"></div>',
-        '  <div id="collapseTwoOne" class="collapse collapseTwo" role="tabpanel" data-parent="#accordion"></div>',
-        '  <div id="collapseTwoTwo" class="collapse collapseTwo" role="tabpanel" data-parent="#accordion"></div>',
-        '</div>'
-      ].join('')
-
-      const trigger = fixtureEl.querySelector('#linkTriggerOne')
-      const triggerTwo = fixtureEl.querySelector('#linkTriggerTwo')
-      const collapseOneOne = fixtureEl.querySelector('#collapseOneOne')
-      const collapseOneTwo = fixtureEl.querySelector('#collapseOneTwo')
-      const collapseTwoOne = fixtureEl.querySelector('#collapseTwoOne')
-      const collapseTwoTwo = fixtureEl.querySelector('#collapseTwoTwo')
-      const collapsedElements = {
-        one: false,
-        two: false
-      }
-
-      function firstTest() {
-        expect(collapseOneOne.classList.contains('show')).toEqual(true)
-        expect(collapseOneTwo.classList.contains('show')).toEqual(true)
-
-        expect(collapseTwoOne.classList.contains('show')).toEqual(false)
-        expect(collapseTwoTwo.classList.contains('show')).toEqual(false)
-
-        triggerTwo.click()
-      }
-
-      function secondTest() {
-        expect(collapseOneOne.classList.contains('show')).toEqual(false)
-        expect(collapseOneTwo.classList.contains('show')).toEqual(false)
-
-        expect(collapseTwoOne.classList.contains('show')).toEqual(true)
-        expect(collapseTwoTwo.classList.contains('show')).toEqual(true)
-        done()
-      }
-
-      collapseOneOne.addEventListener('shown.bs.collapse', () => {
-        if (collapsedElements.one) {
-          firstTest()
-        } else {
-          collapsedElements.one = true
-        }
-      })
-
-      collapseOneTwo.addEventListener('shown.bs.collapse', () => {
-        if (collapsedElements.one) {
-          firstTest()
-        } else {
-          collapsedElements.one = true
-        }
-      })
-
-      collapseTwoOne.addEventListener('shown.bs.collapse', () => {
-        if (collapsedElements.two) {
-          secondTest()
-        } else {
-          collapsedElements.two = true
-        }
-      })
-
-      collapseTwoTwo.addEventListener('shown.bs.collapse', () => {
-        if (collapsedElements.two) {
-          secondTest()
-        } else {
-          collapsedElements.two = true
-        }
-      })
-
-      trigger.click()
-    })
-
-    it('should collapse accordion children but not nested accordion children', done => {
-      fixtureEl.innerHTML = [
-        '<div id="accordion">',
-        '  <div class="item">',
-        '    <a id="linkTrigger" data-toggle="collapse" href="#collapseOne" aria-expanded="false" aria-controls="collapseOne"></a>',
-        '    <div id="collapseOne" data-parent="#accordion" class="collapse" role="tabpanel" aria-labelledby="headingThree">',
-        '      <div id="nestedAccordion">',
-        '        <div class="item">',
-        '          <a id="nestedLinkTrigger" data-toggle="collapse" href="#nestedCollapseOne" aria-expanded="false" aria-controls="nestedCollapseOne"></a>',
-        '          <div id="nestedCollapseOne" data-parent="#nestedAccordion" class="collapse" role="tabpanel" aria-labelledby="headingThree"></div>',
-        '        </div>',
-        '      </div>',
-        '    </div>',
-        '  </div>',
-        '  <div class="item">',
-        '    <a id="linkTriggerTwo" data-toggle="collapse" href="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo"></a>',
-        '    <div id="collapseTwo" data-parent="#accordion" class="collapse show" role="tabpanel" aria-labelledby="headingTwo"></div>',
-        '  </div>',
-        '</div>'
-      ].join('')
-
-      const trigger = fixtureEl.querySelector('#linkTrigger')
-      const triggerTwo = fixtureEl.querySelector('#linkTriggerTwo')
-      const nestedTrigger = fixtureEl.querySelector('#nestedLinkTrigger')
-      const collapseOne = fixtureEl.querySelector('#collapseOne')
-      const collapseTwo = fixtureEl.querySelector('#collapseTwo')
-      const nestedCollapseOne = fixtureEl.querySelector('#nestedCollapseOne')
-
-      function handlerCollapseOne() {
-        expect(collapseOne.classList.contains('show')).toEqual(true)
-        expect(collapseTwo.classList.contains('show')).toEqual(false)
-        expect(nestedCollapseOne.classList.contains('show')).toEqual(false)
-
-        nestedCollapseOne.addEventListener('shown.bs.collapse', handlerNestedCollapseOne)
-        nestedTrigger.click()
-        collapseOne.removeEventListener('shown.bs.collapse', handlerCollapseOne)
-      }
-
-      function handlerNestedCollapseOne() {
-        expect(collapseOne.classList.contains('show')).toEqual(true)
-        expect(collapseTwo.classList.contains('show')).toEqual(false)
-        expect(nestedCollapseOne.classList.contains('show')).toEqual(true)
-
-        collapseTwo.addEventListener('shown.bs.collapse', () => {
-          expect(collapseOne.classList.contains('show')).toEqual(false)
-          expect(collapseTwo.classList.contains('show')).toEqual(true)
-          expect(nestedCollapseOne.classList.contains('show')).toEqual(true)
-          done()
-        })
-
-        triggerTwo.click()
-        nestedCollapseOne.removeEventListener('shown.bs.collapse', handlerNestedCollapseOne)
-      }
-
-      collapseOne.addEventListener('shown.bs.collapse', handlerCollapseOne)
-      trigger.click()
-    })
-
-    it('should add "collapsed" class and set aria-expanded to triggers only when all the targeted collapse are hidden', done => {
-      fixtureEl.innerHTML = [
-        '<a id="trigger1" role="button" data-toggle="collapse" href="#test1"/>',
-        '<a id="trigger2" role="button" data-toggle="collapse" href="#test2"/>',
-        '<a id="trigger3" role="button" data-toggle="collapse" href=".multi"/>',
-        '<div id="test1" class="multi"/>',
-        '<div id="test2" class="multi"/>'
-      ].join('')
-
-      const trigger1 = fixtureEl.querySelector('#trigger1')
-      const trigger2 = fixtureEl.querySelector('#trigger2')
-      const trigger3 = fixtureEl.querySelector('#trigger3')
-      const target1 = fixtureEl.querySelector('#test1')
-      const target2 = fixtureEl.querySelector('#test2')
-
-      const target2Shown = () => {
-        expect(trigger1.classList.contains('collapsed')).toEqual(false)
-        expect(trigger1.getAttribute('aria-expanded')).toEqual('true')
-
-        expect(trigger2.classList.contains('collapsed')).toEqual(false)
-        expect(trigger2.getAttribute('aria-expanded')).toEqual('true')
-
-        expect(trigger3.classList.contains('collapsed')).toEqual(false)
-        expect(trigger3.getAttribute('aria-expanded')).toEqual('true')
-
-        target2.addEventListener('hidden.bs.collapse', () => {
-          expect(trigger1.classList.contains('collapsed')).toEqual(false)
-          expect(trigger1.getAttribute('aria-expanded')).toEqual('true')
-
-          expect(trigger2.classList.contains('collapsed')).toEqual(true)
-          expect(trigger2.getAttribute('aria-expanded')).toEqual('false')
-
-          expect(trigger3.classList.contains('collapsed')).toEqual(false)
-          expect(trigger3.getAttribute('aria-expanded')).toEqual('true')
-
-          target1.addEventListener('hidden.bs.collapse', () => {
-            expect(trigger1.classList.contains('collapsed')).toEqual(true)
-            expect(trigger1.getAttribute('aria-expanded')).toEqual('false')
-
-            expect(trigger2.classList.contains('collapsed')).toEqual(true)
-            expect(trigger2.getAttribute('aria-expanded')).toEqual('false')
-
-            expect(trigger3.classList.contains('collapsed')).toEqual(true)
-            expect(trigger3.getAttribute('aria-expanded')).toEqual('false')
-            done()
-          })
-
-          trigger1.click()
-        })
-
-        trigger2.click()
-      }
-
-      target2.addEventListener('shown.bs.collapse', target2Shown)
-      trigger3.click()
-    })
-  })
-
-  describe('jQueryInterface', () => {
-    it('should create a collapse', () => {
-      fixtureEl.innerHTML = '<div></div>'
-
-      const div = fixtureEl.querySelector('div')
-
-      jQueryMock.fn.collapse = Collapse.jQueryInterface
-      jQueryMock.elements = [div]
-
-      jQueryMock.fn.collapse.call(jQueryMock)
-
-      expect(Collapse.getInstance(div)).toBeDefined()
-    })
-
-    it('should not re create a collapse', () => {
-      fixtureEl.innerHTML = '<div></div>'
-
-      const div = fixtureEl.querySelector('div')
-      const collapse = new Collapse(div)
-
-      jQueryMock.fn.collapse = Collapse.jQueryInterface
-      jQueryMock.elements = [div]
-
-      jQueryMock.fn.collapse.call(jQueryMock)
-
-      expect(Collapse.getInstance(div)).toEqual(collapse)
-    })
-
-    it('should throw error on undefined method', () => {
-      fixtureEl.innerHTML = '<div></div>'
-
-      const div = fixtureEl.querySelector('div')
-      const action = 'undefinedMethod'
-
-      jQueryMock.fn.collapse = Collapse.jQueryInterface
-      jQueryMock.elements = [div]
-
-      try {
-        jQueryMock.fn.collapse.call(jQueryMock, action)
-      } catch (error) {
-        expect(error.message).toEqual(`No method named "${action}"`)
-      }
-    })
-  })
-
-  describe('getInstance', () => {
-    it('should return collapse instance', () => {
-      fixtureEl.innerHTML = '<div></div>'
-
-      const div = fixtureEl.querySelector('div')
-      const collapse = new Collapse(div)
-
-      expect(Collapse.getInstance(div)).toEqual(collapse)
-    })
-
-    it('should return null when there is no collapse instance', () => {
-      fixtureEl.innerHTML = '<div></div>'
-
-      const div = fixtureEl.querySelector('div')
-
-      expect(Collapse.getInstance(div)).toEqual(null)
-    })
-  })
-})