return to the original file structure to avoid breaking modularity

2 files changed, 0 insertions, 857 deletions

diff --git a/js/src/tab/tab.js b/js/src/tab/tab.js
deleted file mode 100644
index b356cc0e2..000000000
--- a/js/src/tab/tab.js
+++ /dev/null
@@ -1,264 +0,0 @@
-/**
- * --------------------------------------------------------------------------
- * Bootstrap (v4.3.1): tab.js
- * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
- * --------------------------------------------------------------------------
- */
-
-import {
-  getjQuery,
-  TRANSITION_END,
-  emulateTransitionEnd,
-  getElementFromSelector,
-  getTransitionDurationFromElement,
-  makeArray,
-  reflow
-} from '../util/index'
-import Data from '../dom/data'
-import EventHandler from '../dom/event-handler'
-import SelectorEngine from '../dom/selector-engine'
-
-/**
- * ------------------------------------------------------------------------
- * Constants
- * ------------------------------------------------------------------------
- */
-
-const NAME = 'tab'
-const VERSION = '4.3.1'
-const DATA_KEY = 'bs.tab'
-const EVENT_KEY = `.${DATA_KEY}`
-const DATA_API_KEY = '.data-api'
-
-const Event = {
-  HIDE: `hide${EVENT_KEY}`,
-  HIDDEN: `hidden${EVENT_KEY}`,
-  SHOW: `show${EVENT_KEY}`,
-  SHOWN: `shown${EVENT_KEY}`,
-  CLICK_DATA_API: `click${EVENT_KEY}${DATA_API_KEY}`
-}
-
-const ClassName = {
-  DROPDOWN_MENU: 'dropdown-menu',
-  ACTIVE: 'active',
-  DISABLED: 'disabled',
-  FADE: 'fade',
-  SHOW: 'show'
-}
-
-const Selector = {
-  DROPDOWN: '.dropdown',
-  NAV_LIST_GROUP: '.nav, .list-group',
-  ACTIVE: '.active',
-  ACTIVE_UL: ':scope > li > .active',
-  DATA_TOGGLE: '[data-toggle="tab"], [data-toggle="pill"], [data-toggle="list"]',
-  DROPDOWN_TOGGLE: '.dropdown-toggle',
-  DROPDOWN_ACTIVE_CHILD: ':scope > .dropdown-menu .active'
-}
-
-/**
- * ------------------------------------------------------------------------
- * Class Definition
- * ------------------------------------------------------------------------
- */
-
-class Tab {
-  constructor(element) {
-    this._element = element
-
-    Data.setData(this._element, DATA_KEY, this)
-  }
-
-  // Getters
-
-  static get VERSION() {
-    return VERSION
-  }
-
-  // Public
-
-  show() {
-    if ((this._element.parentNode &&
-      this._element.parentNode.nodeType === Node.ELEMENT_NODE &&
-      this._element.classList.contains(ClassName.ACTIVE)) ||
-      this._element.classList.contains(ClassName.DISABLED)) {
-      return
-    }
-
-    let previous
-    const target = getElementFromSelector(this._element)
-    const listElement = SelectorEngine.closest(this._element, Selector.NAV_LIST_GROUP)
-
-    if (listElement) {
-      const itemSelector = listElement.nodeName === 'UL' || listElement.nodeName === 'OL' ? Selector.ACTIVE_UL : Selector.ACTIVE
-      previous = makeArray(SelectorEngine.find(itemSelector, listElement))
-      previous = previous[previous.length - 1]
-    }
-
-    let hideEvent = null
-
-    if (previous) {
-      hideEvent = EventHandler.trigger(previous, Event.HIDE, {
-        relatedTarget: this._element
-      })
-    }
-
-    const showEvent = EventHandler.trigger(this._element, Event.SHOW, {
-      relatedTarget: previous
-    })
-
-    if (showEvent.defaultPrevented ||
-      (hideEvent !== null && hideEvent.defaultPrevented)) {
-      return
-    }
-
-    this._activate(
-      this._element,
-      listElement
-    )
-
-    const complete = () => {
-      EventHandler.trigger(previous, Event.HIDDEN, {
-        relatedTarget: this._element
-      })
-      EventHandler.trigger(this._element, Event.SHOWN, {
-        relatedTarget: previous
-      })
-    }
-
-    if (target) {
-      this._activate(target, target.parentNode, complete)
-    } else {
-      complete()
-    }
-  }
-
-  dispose() {
-    Data.removeData(this._element, DATA_KEY)
-    this._element = null
-  }
-
-  // Private
-
-  _activate(element, container, callback) {
-    const activeElements = container && (container.nodeName === 'UL' || container.nodeName === 'OL') ?
-      SelectorEngine.find(Selector.ACTIVE_UL, container) :
-      SelectorEngine.children(container, Selector.ACTIVE)
-
-    const active = activeElements[0]
-    const isTransitioning = callback &&
-      (active && active.classList.contains(ClassName.FADE))
-
-    const complete = () => this._transitionComplete(
-      element,
-      active,
-      callback
-    )
-
-    if (active && isTransitioning) {
-      const transitionDuration = getTransitionDurationFromElement(active)
-      active.classList.remove(ClassName.SHOW)
-
-      EventHandler.one(active, TRANSITION_END, complete)
-      emulateTransitionEnd(active, transitionDuration)
-    } else {
-      complete()
-    }
-  }
-
-  _transitionComplete(element, active, callback) {
-    if (active) {
-      active.classList.remove(ClassName.ACTIVE)
-
-      const dropdownChild = SelectorEngine.findOne(Selector.DROPDOWN_ACTIVE_CHILD, active.parentNode)
-
-      if (dropdownChild) {
-        dropdownChild.classList.remove(ClassName.ACTIVE)
-      }
-
-      if (active.getAttribute('role') === 'tab') {
-        active.setAttribute('aria-selected', false)
-      }
-    }
-
-    element.classList.add(ClassName.ACTIVE)
-    if (element.getAttribute('role') === 'tab') {
-      element.setAttribute('aria-selected', true)
-    }
-
-    reflow(element)
-
-    if (element.classList.contains(ClassName.FADE)) {
-      element.classList.add(ClassName.SHOW)
-    }
-
-    if (element.parentNode && element.parentNode.classList.contains(ClassName.DROPDOWN_MENU)) {
-      const dropdownElement = SelectorEngine.closest(element, Selector.DROPDOWN)
-
-      if (dropdownElement) {
-        makeArray(SelectorEngine.find(Selector.DROPDOWN_TOGGLE))
-          .forEach(dropdown => dropdown.classList.add(ClassName.ACTIVE))
-      }
-
-      element.setAttribute('aria-expanded', true)
-    }
-
-    if (callback) {
-      callback()
-    }
-  }
-
-  // Static
-
-  static jQueryInterface(config) {
-    return this.each(function () {
-      const data = Data.getData(this, DATA_KEY) || new Tab(this)
-
-      if (typeof config === 'string') {
-        if (typeof data[config] === 'undefined') {
-          throw new TypeError(`No method named "${config}"`)
-        }
-
-        data[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) {
-  event.preventDefault()
-
-  const data = Data.getData(this, DATA_KEY) || new Tab(this)
-  data.show()
-})
-
-const $ = getjQuery()
-
-/**
- * ------------------------------------------------------------------------
- * jQuery
- * ------------------------------------------------------------------------
- * add .tab to jQuery only if jQuery is present
- */
-/* istanbul ignore if */
-if ($) {
-  const JQUERY_NO_CONFLICT = $.fn[NAME]
-  $.fn[NAME] = Tab.jQueryInterface
-  $.fn[NAME].Constructor = Tab
-  $.fn[NAME].noConflict = () => {
-    $.fn[NAME] = JQUERY_NO_CONFLICT
-    return Tab.jQueryInterface
-  }
-}
-
-export default Tab
diff --git a/js/src/tab/tab.spec.js b/js/src/tab/tab.spec.js
deleted file mode 100644
index 0a678e38e..000000000
--- a/js/src/tab/tab.spec.js
+++ /dev/null
@@ -1,593 +0,0 @@
-import Tab from './tab'
-
-/** Test helpers */
-import { getFixture, clearFixture, jQueryMock } from '../../tests/helpers/fixture'
-
-describe('Tab', () => {
-  let fixtureEl
-
-  beforeAll(() => {
-    fixtureEl = getFixture()
-  })
-
-  afterEach(() => {
-    clearFixture()
-  })
-
-  describe('VERSION', () => {
-    it('should return plugin version', () => {
-      expect(Tab.VERSION).toEqual(jasmine.any(String))
-    })
-  })
-
-  describe('show', () => {
-    it('should activate element by tab id', done => {
-      fixtureEl.innerHTML = [
-        '<ul class="nav">',
-        '  <li><a href="#home" role="tab">Home</a></li>',
-        '  <li><a id="triggerProfile" role="tab" href="#profile">Profile</a></li>',
-        '</ul>',
-        '<ul><li id="home"/><li id="profile"/></ul>'
-      ].join('')
-
-      const profileTriggerEl = fixtureEl.querySelector('#triggerProfile')
-      const tab = new Tab(profileTriggerEl)
-
-      profileTriggerEl.addEventListener('shown.bs.tab', () => {
-        expect(fixtureEl.querySelector('#profile').classList.contains('active')).toEqual(true)
-        expect(profileTriggerEl.getAttribute('aria-selected')).toEqual('true')
-        done()
-      })
-
-      tab.show()
-    })
-
-    it('should activate element by tab id in ordered list', done => {
-      fixtureEl.innerHTML = [
-        '<ol class="nav nav-pills">',
-        '  <li><a href="#home">Home</a></li>',
-        '  <li><a id="triggerProfile" href="#profile">Profile</a></li>',
-        '</ol>',
-        '<ol><li id="home"/><li id="profile"/></ol>'
-      ].join('')
-
-      const profileTriggerEl = fixtureEl.querySelector('#triggerProfile')
-      const tab = new Tab(profileTriggerEl)
-
-      profileTriggerEl.addEventListener('shown.bs.tab', () => {
-        expect(fixtureEl.querySelector('#profile').classList.contains('active')).toEqual(true)
-        done()
-      })
-
-      tab.show()
-    })
-
-    it('should activate element by tab id in nav list', done => {
-      fixtureEl.innerHTML = [
-        '<nav class="nav">',
-        '  <a href="#home">Home</a>',
-        '  <a id="triggerProfile" href="#profile">Profile</a>',
-        '</nav>',
-        '<nav><div id="home"></div><div id="profile"></div></nav>'
-      ].join('')
-
-      const profileTriggerEl = fixtureEl.querySelector('#triggerProfile')
-      const tab = new Tab(profileTriggerEl)
-
-      profileTriggerEl.addEventListener('shown.bs.tab', () => {
-        expect(fixtureEl.querySelector('#profile').classList.contains('active')).toEqual(true)
-        done()
-      })
-
-      tab.show()
-    })
-
-    it('should activate element by tab id in list group', done => {
-      fixtureEl.innerHTML = [
-        '<div class="list-group">',
-        '  <a href="#home">Home</a>',
-        '  <a id="triggerProfile" href="#profile">Profile</a>',
-        '</div>',
-        '<nav><div id="home"></div><div id="profile"></div></nav>'
-      ].join('')
-
-      const profileTriggerEl = fixtureEl.querySelector('#triggerProfile')
-      const tab = new Tab(profileTriggerEl)
-
-      profileTriggerEl.addEventListener('shown.bs.tab', () => {
-        expect(fixtureEl.querySelector('#profile').classList.contains('active')).toEqual(true)
-        done()
-      })
-
-      tab.show()
-    })
-
-    it('should not fire shown when show is prevented', done => {
-      fixtureEl.innerHTML = '<div class="nav"></div>'
-
-      const navEl = fixtureEl.querySelector('div')
-      const tab = new Tab(navEl)
-      const expectDone = () => {
-        setTimeout(() => {
-          expect().nothing()
-          done()
-        }, 30)
-      }
-
-      navEl.addEventListener('show.bs.tab', ev => {
-        ev.preventDefault()
-        expectDone()
-      })
-
-      navEl.addEventListener('shown.bs.tab', () => {
-        throw new Error('should not trigger shown event')
-      })
-
-      tab.show()
-    })
-
-    it('should not fire shown when tab is already active', done => {
-      fixtureEl.innerHTML = [
-        '<ul class="nav nav-tabs" role="tablist">',
-        '  <li class="nav-item"><a href="#home" class="nav-link active" role="tab">Home</a></li>',
-        '  <li class="nav-item"><a href="#profile" class="nav-link" role="tab">Profile</a></li>',
-        '</ul>',
-        '<div class="tab-content">',
-        '  <div class="tab-pane active" id="home" role="tabpanel"></div>',
-        '  <div class="tab-pane" id="profile" role="tabpanel"></div>',
-        '</div>'
-      ].join('')
-
-      const triggerActive = fixtureEl.querySelector('a.active')
-      const tab = new Tab(triggerActive)
-
-      triggerActive.addEventListener('shown.bs.tab', () => {
-        throw new Error('should not trigger shown event')
-      })
-
-      tab.show()
-      setTimeout(() => {
-        expect().nothing()
-        done()
-      }, 30)
-    })
-
-    it('should not fire shown when tab is disabled', done => {
-      fixtureEl.innerHTML = [
-        '<ul class="nav nav-tabs" role="tablist">',
-        '  <li class="nav-item"><a href="#home" class="nav-link active" role="tab">Home</a></li>',
-        '  <li class="nav-item"><a href="#profile" class="nav-link disabled" role="tab">Profile</a></li>',
-        '</ul>',
-        '<div class="tab-content">',
-        '  <div class="tab-pane active" id="home" role="tabpanel"></div>',
-        '  <div class="tab-pane" id="profile" role="tabpanel"></div>',
-        '</div>'
-      ].join('')
-
-      const triggerDisabled = fixtureEl.querySelector('a.disabled')
-      const tab = new Tab(triggerDisabled)
-
-      triggerDisabled.addEventListener('shown.bs.tab', () => {
-        throw new Error('should not trigger shown event')
-      })
-
-      tab.show()
-      setTimeout(() => {
-        expect().nothing()
-        done()
-      }, 30)
-    })
-
-    it('show and shown events should reference correct relatedTarget', done => {
-      fixtureEl.innerHTML = [
-        '<ul class="nav nav-tabs" role="tablist">',
-        '  <li class="nav-item"><a href="#home" class="nav-link active" role="tab">Home</a></li>',
-        '  <li class="nav-item"><a id="triggerProfile" href="#profile" class="nav-link" role="tab">Profile</a></li>',
-        '</ul>',
-        '<div class="tab-content">',
-        '  <div class="tab-pane active" id="home" role="tabpanel"></div>',
-        '  <div class="tab-pane" id="profile" role="tabpanel"></div>',
-        '</div>'
-      ].join('')
-
-      const secondTabTrigger = fixtureEl.querySelector('#triggerProfile')
-      const secondTab = new Tab(secondTabTrigger)
-
-      secondTabTrigger.addEventListener('show.bs.tab', ev => {
-        expect(ev.relatedTarget.hash).toEqual('#home')
-      })
-
-      secondTabTrigger.addEventListener('shown.bs.tab', ev => {
-        expect(ev.relatedTarget.hash).toEqual('#home')
-        expect(secondTabTrigger.getAttribute('aria-selected')).toEqual('true')
-        expect(fixtureEl.querySelector('a:not(.active)').getAttribute('aria-selected')).toEqual('false')
-        done()
-      })
-
-      secondTab.show()
-    })
-
-    it('should fire hide and hidden events', done => {
-      fixtureEl.innerHTML = [
-        '<ul class="nav">',
-        '  <li><a href="#home">Home</a></li>',
-        '  <li><a href="#profile">Profile</a></li>',
-        '</ul>'
-      ].join('')
-
-      const triggerList = fixtureEl.querySelectorAll('a')
-      const firstTab = new Tab(triggerList[0])
-      const secondTab = new Tab(triggerList[1])
-
-      let hideCalled = false
-      triggerList[0].addEventListener('shown.bs.tab', () => {
-        secondTab.show()
-      })
-
-      triggerList[0].addEventListener('hide.bs.tab', ev => {
-        hideCalled = true
-        expect(ev.relatedTarget.hash).toEqual('#profile')
-      })
-
-      triggerList[0].addEventListener('hidden.bs.tab', ev => {
-        expect(hideCalled).toEqual(true)
-        expect(ev.relatedTarget.hash).toEqual('#profile')
-        done()
-      })
-
-      firstTab.show()
-    })
-
-    it('should not fire hidden when hide is prevented', done => {
-      fixtureEl.innerHTML = [
-        '<ul class="nav">',
-        '  <li><a href="#home">Home</a></li>',
-        '  <li><a href="#profile">Profile</a></li>',
-        '</ul>'
-      ].join('')
-
-      const triggerList = fixtureEl.querySelectorAll('a')
-      const firstTab = new Tab(triggerList[0])
-      const secondTab = new Tab(triggerList[1])
-      const expectDone = () => {
-        setTimeout(() => {
-          expect().nothing()
-          done()
-        }, 30)
-      }
-
-      triggerList[0].addEventListener('shown.bs.tab', () => {
-        secondTab.show()
-      })
-
-      triggerList[0].addEventListener('hide.bs.tab', ev => {
-        ev.preventDefault()
-        expectDone()
-      })
-
-      triggerList[0].addEventListener('hidden.bs.tab', () => {
-        throw new Error('should not trigger hidden')
-      })
-
-      firstTab.show()
-    })
-
-    it('should handle removed tabs', done => {
-      fixtureEl.innerHTML = [
-        '<ul class="nav nav-tabs" role="tablist">',
-        '  <li class="nav-item">',
-        '    <a class="nav-link nav-tab" href="#profile" role="tab" data-toggle="tab">',
-        '      <button class="close"><span aria-hidden="true">&times;</span></button>',
-        '    </a>',
-        '  </li>',
-        '  <li class="nav-item">',
-        '    <a id="secondNav" class="nav-link nav-tab" href="#buzz" role="tab" data-toggle="tab">',
-        '      <button class="close"><span aria-hidden="true">&times;</span></button>',
-        '    </a>',
-        '  </li>',
-        '  <li class="nav-item">',
-        '    <a class="nav-link nav-tab" href="#references" role="tab" data-toggle="tab">',
-        '      <button id="btnClose" class="close"><span aria-hidden="true">&times;</span></button>',
-        '    </a>',
-        '  </li>',
-        '</ul>',
-        '<div class="tab-content">',
-        '  <div role="tabpanel" class="tab-pane fade show active" id="profile">test 1</div>',
-        '  <div role="tabpanel" class="tab-pane fade" id="buzz">test 2</div>',
-        '  <div role="tabpanel" class="tab-pane fade" id="references">test 3</div>',
-        '</div>'
-      ].join('')
-
-      const secondNavEl = fixtureEl.querySelector('#secondNav')
-      const btnCloseEl = fixtureEl.querySelector('#btnClose')
-      const secondNavTab = new Tab(secondNavEl)
-
-      secondNavEl.addEventListener('shown.bs.tab', () => {
-        expect(fixtureEl.querySelectorAll('.nav-tab').length).toEqual(2)
-        done()
-      })
-
-      btnCloseEl.addEventListener('click', () => {
-        const linkEl = btnCloseEl.parentNode
-        const liEl = linkEl.parentNode
-        const tabId = linkEl.getAttribute('href')
-        const tabIdEl = fixtureEl.querySelector(tabId)
-
-        liEl.parentNode.removeChild(liEl)
-        tabIdEl.parentNode.removeChild(tabIdEl)
-        secondNavTab.show()
-      })
-
-      btnCloseEl.click()
-    })
-  })
-
-  describe('dispose', () => {
-    it('should dispose a tab', () => {
-      fixtureEl.innerHTML = '<div></div>'
-
-      const el = fixtureEl.querySelector('div')
-      const tab = new Tab(fixtureEl.querySelector('div'))
-
-      expect(Tab.getInstance(el)).not.toBeNull()
-
-      tab.dispose()
-
-      expect(Tab.getInstance(el)).toBeNull()
-    })
-  })
-
-  describe('jQueryInterface', () => {
-    it('should create a tab', () => {
-      fixtureEl.innerHTML = '<div></div>'
-
-      const div = fixtureEl.querySelector('div')
-
-      jQueryMock.fn.tab = Tab.jQueryInterface
-      jQueryMock.elements = [div]
-
-      jQueryMock.fn.tab.call(jQueryMock)
-
-      expect(Tab.getInstance(div)).toBeDefined()
-    })
-
-    it('should not re create a tab', () => {
-      fixtureEl.innerHTML = '<div></div>'
-
-      const div = fixtureEl.querySelector('div')
-      const tab = new Tab(div)
-
-      jQueryMock.fn.tab = Tab.jQueryInterface
-      jQueryMock.elements = [div]
-
-      jQueryMock.fn.tab.call(jQueryMock)
-
-      expect(Tab.getInstance(div)).toEqual(tab)
-    })
-
-    it('should call a tab method', () => {
-      fixtureEl.innerHTML = '<div></div>'
-
-      const div = fixtureEl.querySelector('div')
-      const tab = new Tab(div)
-
-      spyOn(tab, 'show')
-
-      jQueryMock.fn.tab = Tab.jQueryInterface
-      jQueryMock.elements = [div]
-
-      jQueryMock.fn.tab.call(jQueryMock, 'show')
-
-      expect(Tab.getInstance(div)).toEqual(tab)
-      expect(tab.show).toHaveBeenCalled()
-    })
-
-    it('should throw error on undefined method', () => {
-      fixtureEl.innerHTML = '<div></div>'
-
-      const div = fixtureEl.querySelector('div')
-      const action = 'undefinedMethod'
-
-      jQueryMock.fn.tab = Tab.jQueryInterface
-      jQueryMock.elements = [div]
-
-      try {
-        jQueryMock.fn.tab.call(jQueryMock, action)
-      } catch (error) {
-        expect(error.message).toEqual(`No method named "${action}"`)
-      }
-    })
-  })
-
-  describe('getInstance', () => {
-    it('should return null if there is no instance', () => {
-      expect(Tab.getInstance(fixtureEl)).toEqual(null)
-    })
-
-    it('should return this instance', () => {
-      fixtureEl.innerHTML = '<div></div>'
-
-      const divEl = fixtureEl.querySelector('div')
-      const tab = new Tab(divEl)
-
-      expect(Tab.getInstance(divEl)).toEqual(tab)
-    })
-  })
-
-  describe('data-api', () => {
-    it('should create dynamically a tab', done => {
-      fixtureEl.innerHTML = [
-        '<ul class="nav nav-tabs" role="tablist">',
-        '  <li class="nav-item"><a href="#home" class="nav-link active" role="tab">Home</a></li>',
-        '  <li class="nav-item"><a id="triggerProfile" data-toggle="tab" href="#profile" class="nav-link" role="tab">Profile</a></li>',
-        '</ul>',
-        '<div class="tab-content">',
-        '  <div class="tab-pane active" id="home" role="tabpanel"></div>',
-        '  <div class="tab-pane" id="profile" role="tabpanel"></div>',
-        '</div>'
-      ].join('')
-
-      const secondTabTrigger = fixtureEl.querySelector('#triggerProfile')
-
-      secondTabTrigger.addEventListener('shown.bs.tab', () => {
-        expect(secondTabTrigger.classList.contains('active')).toEqual(true)
-        expect(fixtureEl.querySelector('#profile').classList.contains('active')).toEqual(true)
-        done()
-      })
-
-      secondTabTrigger.click()
-    })
-
-    it('selected tab should deactivate previous selected link in dropdown', () => {
-      fixtureEl.innerHTML = [
-        '<ul class="nav nav-tabs">',
-        '  <li class="nav-item"><a class="nav-link" href="#home" data-toggle="tab">Home</a></li>',
-        '  <li class="nav-item"><a class="nav-link" href="#profile" data-toggle="tab">Profile</a></li>',
-        '  <li class="nav-item dropdown">',
-        '    <a class="nav-link dropdown-toggle active" data-toggle="dropdown" href="#">Dropdown</>',
-        '    <div class="dropdown-menu">',
-        '      <a class="dropdown-item active" href="#dropdown1" id="dropdown1-tab" data-toggle="tab">@fat</a>',
-        '      <a class="dropdown-item" href="#dropdown2" id="dropdown2-tab" data-toggle="tab">@mdo</a>',
-        '    </div>',
-        '  </li>',
-        '</ul>'
-      ].join('')
-
-      const firstLiLinkEl = fixtureEl.querySelector('li:first-child a')
-
-      firstLiLinkEl.click()
-      expect(firstLiLinkEl.classList.contains('active')).toEqual(true)
-      expect(fixtureEl.querySelector('li:last-child a').classList.contains('active')).toEqual(false)
-      expect(fixtureEl.querySelector('li:last-child .dropdown-menu a:first-child').classList.contains('active')).toEqual(false)
-    })
-
-    it('should handle nested tabs', done => {
-      fixtureEl.innerHTML = [
-        '<nav class="nav nav-tabs" role="tablist">',
-        '  <a id="tab1" href="#x-tab1" class="nav-item nav-link" data-toggle="tab" role="tab" aria-controls="x-tab1">Tab 1</a>',
-        '  <a href="#x-tab2" class="nav-item nav-link active" data-toggle="tab" role="tab" aria-controls="x-tab2" aria-selected="true">Tab 2</a>',
-        '  <a href="#x-tab3" class="nav-item nav-link" data-toggle="tab" role="tab" aria-controls="x-tab3">Tab 3</a>',
-        '</nav>',
-        '<div class="tab-content">',
-        '  <div class="tab-pane" id="x-tab1" role="tabpanel">',
-        '    <nav class="nav nav-tabs" role="tablist">',
-        '      <a href="#nested-tab1" class="nav-item nav-link active" data-toggle="tab" role="tab" aria-controls="x-tab1" aria-selected="true">Nested Tab 1</a>',
-        '      <a id="tabNested2" href="#nested-tab2" class="nav-item nav-link" data-toggle="tab" role="tab" aria-controls="x-profile">Nested Tab2</a>',
-        '    </nav>',
-        '    <div class="tab-content">',
-        '      <div class="tab-pane active" id="nested-tab1" role="tabpanel">Nested Tab1 Content</div>',
-        '      <div class="tab-pane" id="nested-tab2" role="tabpanel">Nested Tab2 Content</div>',
-        '    </div>',
-        '  </div>',
-        '  <div class="tab-pane active" id="x-tab2" role="tabpanel">Tab2 Content</div>',
-        '  <div class="tab-pane" id="x-tab3" role="tabpanel">Tab3 Content</div>',
-        '</div>'
-      ].join('')
-
-      const tab1El = fixtureEl.querySelector('#tab1')
-      const tabNested2El = fixtureEl.querySelector('#tabNested2')
-      const xTab1El = fixtureEl.querySelector('#x-tab1')
-
-      tabNested2El.addEventListener('shown.bs.tab', () => {
-        expect(xTab1El.classList.contains('active')).toEqual(true)
-        done()
-      })
-
-      tab1El.addEventListener('shown.bs.tab', () => {
-        expect(xTab1El.classList.contains('active')).toEqual(true)
-        tabNested2El.click()
-      })
-
-      tab1El.click()
-    })
-
-    it('should not remove fade class if no active pane is present', done => {
-      fixtureEl.innerHTML = [
-        '<ul class="nav nav-tabs" role="tablist">',
-        '  <li class="nav-item"><a id="tab-home" href="#home" class="nav-link" data-toggle="tab" role="tab">Home</a></li>',
-        '  <li class="nav-item"><a id="tab-profile" href="#profile" class="nav-link" data-toggle="tab" role="tab">Profile</a></li>',
-        '</ul>',
-        '<div class="tab-content">',
-        '  <div class="tab-pane fade" id="home" role="tabpanel"></div>',
-        '  <div class="tab-pane fade" id="profile" role="tabpanel"></div>',
-        '</div>'
-      ].join('')
-
-      const triggerTabProfileEl = fixtureEl.querySelector('#tab-profile')
-      const triggerTabHomeEl = fixtureEl.querySelector('#tab-home')
-      const tabProfileEl = fixtureEl.querySelector('#profile')
-      const tabHomeEl = fixtureEl.querySelector('#home')
-
-      triggerTabProfileEl.addEventListener('shown.bs.tab', () => {
-        expect(tabProfileEl.classList.contains('fade')).toEqual(true)
-        expect(tabProfileEl.classList.contains('show')).toEqual(true)
-
-        triggerTabHomeEl.addEventListener('shown.bs.tab', () => {
-          expect(tabProfileEl.classList.contains('fade')).toEqual(true)
-          expect(tabProfileEl.classList.contains('show')).toEqual(false)
-
-          expect(tabHomeEl.classList.contains('fade')).toEqual(true)
-          expect(tabHomeEl.classList.contains('show')).toEqual(true)
-
-          done()
-        })
-
-        triggerTabHomeEl.click()
-      })
-
-      triggerTabProfileEl.click()
-    })
-
-    it('should not add show class to tab panes if there is no `.fade` class', done => {
-      fixtureEl.innerHTML = [
-        '<ul class="nav nav-tabs" role="tablist">',
-        '  <li class="nav-item">',
-        '    <a class="nav-link nav-tab" href="#home" role="tab" data-toggle="tab">Home</a>',
-        '  </li>',
-        '  <li class="nav-item">',
-        '    <a id="secondNav" class="nav-link nav-tab" href="#profile" role="tab" data-toggle="tab">Profile</a>',
-        '  </li>',
-        '</ul>',
-        '<div class="tab-content">',
-        '  <div role="tabpanel" class="tab-pane" id="home">test 1</div>',
-        '  <div role="tabpanel" class="tab-pane" id="profile">test 2</div>',
-        '</div>'
-      ].join('')
-
-      const secondNavEl = fixtureEl.querySelector('#secondNav')
-
-      secondNavEl.addEventListener('shown.bs.tab', () => {
-        expect(fixtureEl.querySelectorAll('.show').length).toEqual(0)
-        done()
-      })
-
-      secondNavEl.click()
-    })
-
-    it('should add show class to tab panes if there is a `.fade` class', done => {
-      fixtureEl.innerHTML = [
-        '<ul class="nav nav-tabs" role="tablist">',
-        '  <li class="nav-item">',
-        '    <a class="nav-link nav-tab" href="#home" role="tab" data-toggle="tab">Home</a>',
-        '  </li>',
-        '  <li class="nav-item">',
-        '    <a id="secondNav" class="nav-link nav-tab" href="#profile" role="tab" data-toggle="tab">Profile</a>',
-        '  </li>',
-        '</ul>',
-        '<div class="tab-content">',
-        '  <div role="tabpanel" class="tab-pane fade" id="home">test 1</div>',
-        '  <div role="tabpanel" class="tab-pane fade" id="profile">test 2</div>',
-        '</div>'
-      ].join('')
-
-      const secondNavEl = fixtureEl.querySelector('#secondNav')
-
-      secondNavEl.addEventListener('shown.bs.tab', () => {
-        expect(fixtureEl.querySelectorAll('.show').length).toEqual(1)
-        done()
-      })
-
-      secondNavEl.click()
-    })
-  })
-})