text: import $ from 'jquery'
  import Util from './util'
  
  /**
   * --------------------------------------------------------------------------
   * Bootstrap (v4.1.1): tab.js
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
   * --------------------------------------------------------------------------
   */
  
  const Tab = (($) => {
    /**
     * ------------------------------------------------------------------------
     * Constants
     * ------------------------------------------------------------------------
     */
  
    const NAME               = 'tab'
    const VERSION            = '4.1.1'
    const DATA_KEY           = 'bs.tab'
    const EVENT_KEY          = `.${DATA_KEY}`
    const DATA_API_KEY       = '.data-api'
    const JQUERY_NO_CONFLICT = $.fn[NAME]
  
    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             : '> li > .active',
      DATA_TOGGLE           : '[data-toggle="tab"], [data-toggle="pill"], [data-toggle="list"]',
      DROPDOWN_TOGGLE       : '.dropdown-toggle',
      DROPDOWN_ACTIVE_CHILD : '> .dropdown-menu .active'
    }
  
    /**
     * ------------------------------------------------------------------------
     * Class Definition
     * ------------------------------------------------------------------------
     */
  
    class
    Tab {
      constructor(element) {
        this._element = element
      }
  
      // Getters
  
      static get VERSION() {
        return VERSION
      }
  
      // Public
  
      show() {
        if (this._element.parentNode &&
            this._element.parentNode.nodeType === Node.ELEMENT_NODE &&
            $(this._element).hasClass(ClassName.ACTIVE) ||
            $(this._element).hasClass(ClassName.DISABLED)) {
          return
        }
  
        let target
        let previous
        const listElement = $(this._element).closest(Selector.NAV_LIST_GROUP)[0]
        const selector = Util.getSelectorFromElement(this._element)
  
        if (listElement) {
          const itemSelector = listElement.nodeName === 'UL' ? Selector.ACTIVE_UL : Selector.ACTIVE
          previous = $.makeArray($(listElement).find(itemSelector))
          previous = previous[previous.length - 1]
        }
  
        const hideEvent = $.Event(Event.HIDE, {
          relatedTarget: this._element
        })
  
        const showEvent = $.Event(Event.SHOW, {
          relatedTarget: previous
        })
  
        if (previous) {
          $(previous).trigger(hideEvent)
        }
  
        $(this._element).trigger(showEvent)
  
        if (showEvent.isDefaultPrevented() ||
           hideEvent.isDefaultPrevented()) {
          return
        }
  
        if (selector) {
          target = $(selector)[0]
        }
  
        this._activate(
          this._element,
          listElement
        )
  
        const complete = () => {
          const hiddenEvent = $.Event(Event.HIDDEN, {
            relatedTarget: this._element
          })
  
          const shownEvent = $.Event(Event.SHOWN, {
            relatedTarget: previous
          })
  
          $(previous).trigger(hiddenEvent)
          $(this._element).trigger(shownEvent)
        }
  
        if (target) {
          this._activate(target, target.parentNode, complete)
        } else {
          complete()
        }
      }
  
      dispose() {
        $.removeData(this._element, DATA_KEY)
        this._element = null
      }
  
      // Private
  
      _activate(element, container, callback) {
        let activeElements
        if (container.nodeName === 'UL') {
          activeElements = $(container).find(Selector.ACTIVE_UL)
        } else {
          activeElements = $(container).children(Selector.ACTIVE)
        }
  
        const active = activeElements[0]
        const isTransitioning = callback &&
          (active && $(active).hasClass(ClassName.FADE))
  
        const complete = () => this._transitionComplete(
          element,
          active,
          callback
        )
  
        if (active && isTransitioning) {
          const transitionDuration = Util.getTransitionDurationFromElement(active)
  
          $(active)
            .one(Util.TRANSITION_END, complete)
            .emulateTransitionEnd(transitionDuration)
        } else {
          complete()
        }
      }
  
      _transitionComplete(element, active, callback) {
        if (active) {
          $(active).removeClass(`${ClassName.SHOW} ${ClassName.ACTIVE}`)
  
          const dropdownChild = $(active.parentNode).find(
            Selector.DROPDOWN_ACTIVE_CHILD
          )[0]
  
          if (dropdownChild) {
            $(dropdownChild).removeClass(ClassName.ACTIVE)
          }
  
          if (active.getAttribute('role') === 'tab') {
            active.setAttribute('aria-selected', false)
          }
        }
  
        $(element).addClass(ClassName.ACTIVE)
        if (element.getAttribute('role') === 'tab') {
          element.setAttribute('aria-selected', true)
        }
  
        Util.reflow(element)
        $(element).addClass(ClassName.SHOW)
  
        if (element.parentNode &&
            $(element.parentNode).hasClass(ClassName.DROPDOWN_MENU)) {
          const dropdownElement = $(element).closest(Selector.DROPDOWN)[0]
          if (dropdownElement) {
            $(dropdownElement).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE)
          }
  
          element.setAttribute('aria-expanded', true)
        }
  
        if (callback) {
          callback()
        }
      }
  
      // Static
  
      static _jQueryInterface(config) {
        return this.each(function () {
          const $this = $(this)
          let data = $this.data(DATA_KEY)
  
          if (!data) {
            data = new Tab(this)
            $this.data(DATA_KEY, data)
          }
  
          if (typeof config === 'string') {
            if (typeof data[config] === 'undefined') {
              throw new TypeError(`No method named "${config}"`)
            }
            data[config]()
          }
        })
      }
    }
  
    /**
     * ------------------------------------------------------------------------
     * Data Api implementation
     * ------------------------------------------------------------------------
     */
  
    $(document)
      .on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
        event.preventDefault()
        Tab._jQueryInterface.call($(this), 'show')
      })
  
    /**
     * ------------------------------------------------------------------------
     * jQuery
     * ------------------------------------------------------------------------
     */
  
    $.fn[NAME] = Tab._jQueryInterface
    $.fn[NAME].Constructor = Tab
    $.fn[NAME].noConflict = function () {
      $.fn[NAME] = JQUERY_NO_CONFLICT
      return Tab._jQueryInterface
    }
  
    return Tab
  })($)
  
  export default Tab
  