remove useless iife

1 files changed, 555 insertions, 559 deletions

diff --git a/js/src/tooltip.js b/js/src/tooltip.js
index 572583cd6..9510353a1 100644
--- a/js/src/tooltip.js
+++ b/js/src/tooltip.js
@@ -9,717 +9,713 @@ import Util from './util'
  * --------------------------------------------------------------------------
  */
 
-const Tooltip = (($) => {
-  /**
-   * ------------------------------------------------------------------------
-   * Constants
-   * ------------------------------------------------------------------------
-   */
-
-  const NAME               = 'tooltip'
-  const VERSION            = '4.1.3'
-  const DATA_KEY           = 'bs.tooltip'
-  const EVENT_KEY          = `.${DATA_KEY}`
-  const JQUERY_NO_CONFLICT = $.fn[NAME]
-  const CLASS_PREFIX       = 'bs-tooltip'
-  const BSCLS_PREFIX_REGEX = new RegExp(`(^|\\s)${CLASS_PREFIX}\\S+`, 'g')
-
-  const DefaultType = {
-    animation           : 'boolean',
-    template            : 'string',
-    title               : '(string|element|function)',
-    trigger             : 'string',
-    delay               : '(number|object)',
-    html                : 'boolean',
-    selector            : '(string|boolean)',
-    placement           : '(string|function)',
-    offset              : '(number|string)',
-    container           : '(string|element|boolean)',
-    fallbackPlacement   : '(string|array)',
-    boundary            : '(string|element)'
-  }
-
-  const AttachmentMap = {
-    AUTO   : 'auto',
-    TOP    : 'top',
-    RIGHT  : 'right',
-    BOTTOM : 'bottom',
-    LEFT   : 'left'
-  }
-
-  const Default = {
-    animation           : true,
-    template            : '<div class="tooltip" role="tooltip">' +
-                        '<div class="arrow"></div>' +
-                        '<div class="tooltip-inner"></div></div>',
-    trigger             : 'hover focus',
-    title               : '',
-    delay               : 0,
-    html                : false,
-    selector            : false,
-    placement           : 'top',
-    offset              : 0,
-    container           : false,
-    fallbackPlacement   : 'flip',
-    boundary            : 'scrollParent'
-  }
-
-  const HoverState = {
-    SHOW : 'show',
-    OUT  : 'out'
-  }
-
-  const Event = {
-    HIDE       : `hide${EVENT_KEY}`,
-    HIDDEN     : `hidden${EVENT_KEY}`,
-    SHOW       : `show${EVENT_KEY}`,
-    SHOWN      : `shown${EVENT_KEY}`,
-    INSERTED   : `inserted${EVENT_KEY}`,
-    CLICK      : `click${EVENT_KEY}`,
-    FOCUSIN    : `focusin${EVENT_KEY}`,
-    FOCUSOUT   : `focusout${EVENT_KEY}`,
-    MOUSEENTER : `mouseenter${EVENT_KEY}`,
-    MOUSELEAVE : `mouseleave${EVENT_KEY}`
-  }
-
-  const ClassName = {
-    FADE : 'fade',
-    SHOW : 'show'
-  }
-
-  const Selector = {
-    TOOLTIP       : '.tooltip',
-    TOOLTIP_INNER : '.tooltip-inner',
-    ARROW         : '.arrow'
-  }
-
-  const Trigger = {
-    HOVER  : 'hover',
-    FOCUS  : 'focus',
-    CLICK  : 'click',
-    MANUAL : 'manual'
-  }
-
-
-  /**
-   * ------------------------------------------------------------------------
-   * Class Definition
-   * ------------------------------------------------------------------------
-   */
-
-  class Tooltip {
-    constructor(element, config) {
-      /**
-       * Check for Popper dependency
-       * Popper - https://popper.js.org
-       */
-      if (typeof Popper === 'undefined') {
-        throw new TypeError('Bootstrap tooltips require Popper.js (https://popper.js.org)')
-      }
-
-      // private
-      this._isEnabled     = true
-      this._timeout       = 0
-      this._hoverState    = ''
-      this._activeTrigger = {}
-      this._popper        = null
+/**
+ * ------------------------------------------------------------------------
+ * Constants
+ * ------------------------------------------------------------------------
+ */
 
-      // Protected
-      this.element = element
-      this.config  = this._getConfig(config)
-      this.tip     = null
+const NAME               = 'tooltip'
+const VERSION            = '4.1.3'
+const DATA_KEY           = 'bs.tooltip'
+const EVENT_KEY          = `.${DATA_KEY}`
+const JQUERY_NO_CONFLICT = $.fn[NAME]
+const CLASS_PREFIX       = 'bs-tooltip'
+const BSCLS_PREFIX_REGEX = new RegExp(`(^|\\s)${CLASS_PREFIX}\\S+`, 'g')
+
+const DefaultType = {
+  animation           : 'boolean',
+  template            : 'string',
+  title               : '(string|element|function)',
+  trigger             : 'string',
+  delay               : '(number|object)',
+  html                : 'boolean',
+  selector            : '(string|boolean)',
+  placement           : '(string|function)',
+  offset              : '(number|string)',
+  container           : '(string|element|boolean)',
+  fallbackPlacement   : '(string|array)',
+  boundary            : '(string|element)'
+}
+
+const AttachmentMap = {
+  AUTO   : 'auto',
+  TOP    : 'top',
+  RIGHT  : 'right',
+  BOTTOM : 'bottom',
+  LEFT   : 'left'
+}
+
+const Default = {
+  animation           : true,
+  template            : '<div class="tooltip" role="tooltip">' +
+                      '<div class="arrow"></div>' +
+                      '<div class="tooltip-inner"></div></div>',
+  trigger             : 'hover focus',
+  title               : '',
+  delay               : 0,
+  html                : false,
+  selector            : false,
+  placement           : 'top',
+  offset              : 0,
+  container           : false,
+  fallbackPlacement   : 'flip',
+  boundary            : 'scrollParent'
+}
+
+const HoverState = {
+  SHOW : 'show',
+  OUT  : 'out'
+}
+
+const Event = {
+  HIDE       : `hide${EVENT_KEY}`,
+  HIDDEN     : `hidden${EVENT_KEY}`,
+  SHOW       : `show${EVENT_KEY}`,
+  SHOWN      : `shown${EVENT_KEY}`,
+  INSERTED   : `inserted${EVENT_KEY}`,
+  CLICK      : `click${EVENT_KEY}`,
+  FOCUSIN    : `focusin${EVENT_KEY}`,
+  FOCUSOUT   : `focusout${EVENT_KEY}`,
+  MOUSEENTER : `mouseenter${EVENT_KEY}`,
+  MOUSELEAVE : `mouseleave${EVENT_KEY}`
+}
+
+const ClassName = {
+  FADE : 'fade',
+  SHOW : 'show'
+}
+
+const Selector = {
+  TOOLTIP       : '.tooltip',
+  TOOLTIP_INNER : '.tooltip-inner',
+  ARROW         : '.arrow'
+}
+
+const Trigger = {
+  HOVER  : 'hover',
+  FOCUS  : 'focus',
+  CLICK  : 'click',
+  MANUAL : 'manual'
+}
 
-      this._setListeners()
-    }
 
-    // Getters
+/**
+ * ------------------------------------------------------------------------
+ * Class Definition
+ * ------------------------------------------------------------------------
+ */
 
-    static get VERSION() {
-      return VERSION
+class Tooltip {
+  constructor(element, config) {
+    /**
+     * Check for Popper dependency
+     * Popper - https://popper.js.org
+     */
+    if (typeof Popper === 'undefined') {
+      throw new TypeError('Bootstrap tooltips require Popper.js (https://popper.js.org)')
     }
 
-    static get Default() {
-      return Default
-    }
+    // private
+    this._isEnabled     = true
+    this._timeout       = 0
+    this._hoverState    = ''
+    this._activeTrigger = {}
+    this._popper        = null
 
-    static get NAME() {
-      return NAME
-    }
+    // Protected
+    this.element = element
+    this.config  = this._getConfig(config)
+    this.tip     = null
 
-    static get DATA_KEY() {
-      return DATA_KEY
-    }
+    this._setListeners()
+  }
 
-    static get Event() {
-      return Event
-    }
+  // Getters
 
-    static get EVENT_KEY() {
-      return EVENT_KEY
-    }
+  static get VERSION() {
+    return VERSION
+  }
 
-    static get DefaultType() {
-      return DefaultType
-    }
+  static get Default() {
+    return Default
+  }
 
-    // Public
+  static get NAME() {
+    return NAME
+  }
 
-    enable() {
-      this._isEnabled = true
-    }
+  static get DATA_KEY() {
+    return DATA_KEY
+  }
 
-    disable() {
-      this._isEnabled = false
-    }
+  static get Event() {
+    return Event
+  }
 
-    toggleEnabled() {
-      this._isEnabled = !this._isEnabled
-    }
+  static get EVENT_KEY() {
+    return EVENT_KEY
+  }
 
-    toggle(event) {
-      if (!this._isEnabled) {
-        return
-      }
+  static get DefaultType() {
+    return DefaultType
+  }
 
-      if (event) {
-        const dataKey = this.constructor.DATA_KEY
-        let context = $(event.currentTarget).data(dataKey)
+  // Public
 
-        if (!context) {
-          context = new this.constructor(
-            event.currentTarget,
-            this._getDelegateConfig()
-          )
-          $(event.currentTarget).data(dataKey, context)
-        }
+  enable() {
+    this._isEnabled = true
+  }
 
-        context._activeTrigger.click = !context._activeTrigger.click
+  disable() {
+    this._isEnabled = false
+  }
 
-        if (context._isWithActiveTrigger()) {
-          context._enter(null, context)
-        } else {
-          context._leave(null, context)
-        }
-      } else {
-        if ($(this.getTipElement()).hasClass(ClassName.SHOW)) {
-          this._leave(null, this)
-          return
-        }
+  toggleEnabled() {
+    this._isEnabled = !this._isEnabled
+  }
 
-        this._enter(null, this)
-      }
+  toggle(event) {
+    if (!this._isEnabled) {
+      return
     }
 
-    dispose() {
-      clearTimeout(this._timeout)
+    if (event) {
+      const dataKey = this.constructor.DATA_KEY
+      let context = $(event.currentTarget).data(dataKey)
 
-      $.removeData(this.element, this.constructor.DATA_KEY)
+      if (!context) {
+        context = new this.constructor(
+          event.currentTarget,
+          this._getDelegateConfig()
+        )
+        $(event.currentTarget).data(dataKey, context)
+      }
 
-      $(this.element).off(this.constructor.EVENT_KEY)
-      $(this.element).closest('.modal').off('hide.bs.modal')
+      context._activeTrigger.click = !context._activeTrigger.click
 
-      if (this.tip) {
-        $(this.tip).remove()
+      if (context._isWithActiveTrigger()) {
+        context._enter(null, context)
+      } else {
+        context._leave(null, context)
       }
-
-      this._isEnabled     = null
-      this._timeout       = null
-      this._hoverState    = null
-      this._activeTrigger = null
-      if (this._popper !== null) {
-        this._popper.destroy()
+    } else {
+      if ($(this.getTipElement()).hasClass(ClassName.SHOW)) {
+        this._leave(null, this)
+        return
       }
 
-      this._popper = null
-      this.element = null
-      this.config  = null
-      this.tip     = null
+      this._enter(null, this)
     }
+  }
 
-    show() {
-      if ($(this.element).css('display') === 'none') {
-        throw new Error('Please use show on visible elements')
-      }
+  dispose() {
+    clearTimeout(this._timeout)
 
-      const showEvent = $.Event(this.constructor.Event.SHOW)
-      if (this.isWithContent() && this._isEnabled) {
-        $(this.element).trigger(showEvent)
+    $.removeData(this.element, this.constructor.DATA_KEY)
 
-        const isInTheDom = $.contains(
-          this.element.ownerDocument.documentElement,
-          this.element
-        )
+    $(this.element).off(this.constructor.EVENT_KEY)
+    $(this.element).closest('.modal').off('hide.bs.modal')
 
-        if (showEvent.isDefaultPrevented() || !isInTheDom) {
-          return
-        }
+    if (this.tip) {
+      $(this.tip).remove()
+    }
+
+    this._isEnabled     = null
+    this._timeout       = null
+    this._hoverState    = null
+    this._activeTrigger = null
+    if (this._popper !== null) {
+      this._popper.destroy()
+    }
 
-        const tip   = this.getTipElement()
-        const tipId = Util.getUID(this.constructor.NAME)
+    this._popper = null
+    this.element = null
+    this.config  = null
+    this.tip     = null
+  }
 
-        tip.setAttribute('id', tipId)
-        this.element.setAttribute('aria-describedby', tipId)
+  show() {
+    if ($(this.element).css('display') === 'none') {
+      throw new Error('Please use show on visible elements')
+    }
 
-        this.setContent()
+    const showEvent = $.Event(this.constructor.Event.SHOW)
+    if (this.isWithContent() && this._isEnabled) {
+      $(this.element).trigger(showEvent)
 
-        if (this.config.animation) {
-          $(tip).addClass(ClassName.FADE)
-        }
+      const isInTheDom = $.contains(
+        this.element.ownerDocument.documentElement,
+        this.element
+      )
 
-        const placement  = typeof this.config.placement === 'function'
-          ? this.config.placement.call(this, tip, this.element)
-          : this.config.placement
+      if (showEvent.isDefaultPrevented() || !isInTheDom) {
+        return
+      }
 
-        const attachment = this._getAttachment(placement)
-        this.addAttachmentClass(attachment)
+      const tip   = this.getTipElement()
+      const tipId = Util.getUID(this.constructor.NAME)
 
-        const container = this.config.container === false ? document.body : $(document).find(this.config.container)
+      tip.setAttribute('id', tipId)
+      this.element.setAttribute('aria-describedby', tipId)
 
-        $(tip).data(this.constructor.DATA_KEY, this)
+      this.setContent()
 
-        if (!$.contains(this.element.ownerDocument.documentElement, this.tip)) {
-          $(tip).appendTo(container)
-        }
+      if (this.config.animation) {
+        $(tip).addClass(ClassName.FADE)
+      }
 
-        $(this.element).trigger(this.constructor.Event.INSERTED)
-
-        this._popper = new Popper(this.element, tip, {
-          placement: attachment,
-          modifiers: {
-            offset: {
-              offset: this.config.offset
-            },
-            flip: {
-              behavior: this.config.fallbackPlacement
-            },
-            arrow: {
-              element: Selector.ARROW
-            },
-            preventOverflow: {
-              boundariesElement: this.config.boundary
-            }
-          },
-          onCreate: (data) => {
-            if (data.originalPlacement !== data.placement) {
-              this._handlePopperPlacementChange(data)
-            }
-          },
-          onUpdate: (data) => {
-            this._handlePopperPlacementChange(data)
-          }
-        })
+      const placement  = typeof this.config.placement === 'function'
+        ? this.config.placement.call(this, tip, this.element)
+        : this.config.placement
 
-        $(tip).addClass(ClassName.SHOW)
+      const attachment = this._getAttachment(placement)
+      this.addAttachmentClass(attachment)
 
-        // If this is a touch-enabled device we add extra
-        // empty mouseover listeners to the body's immediate children;
-        // only needed because of broken event delegation on iOS
-        // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html
-        if ('ontouchstart' in document.documentElement) {
-          $(document.body).children().on('mouseover', null, $.noop)
-        }
+      const container = this.config.container === false ? document.body : $(document).find(this.config.container)
 
-        const complete = () => {
-          if (this.config.animation) {
-            this._fixTransition()
-          }
-          const prevHoverState = this._hoverState
-          this._hoverState     = null
+      $(tip).data(this.constructor.DATA_KEY, this)
+
+      if (!$.contains(this.element.ownerDocument.documentElement, this.tip)) {
+        $(tip).appendTo(container)
+      }
 
-          $(this.element).trigger(this.constructor.Event.SHOWN)
+      $(this.element).trigger(this.constructor.Event.INSERTED)
 
-          if (prevHoverState === HoverState.OUT) {
-            this._leave(null, this)
+      this._popper = new Popper(this.element, tip, {
+        placement: attachment,
+        modifiers: {
+          offset: {
+            offset: this.config.offset
+          },
+          flip: {
+            behavior: this.config.fallbackPlacement
+          },
+          arrow: {
+            element: Selector.ARROW
+          },
+          preventOverflow: {
+            boundariesElement: this.config.boundary
+          }
+        },
+        onCreate: (data) => {
+          if (data.originalPlacement !== data.placement) {
+            this._handlePopperPlacementChange(data)
           }
+        },
+        onUpdate: (data) => {
+          this._handlePopperPlacementChange(data)
         }
+      })
 
-        if ($(this.tip).hasClass(ClassName.FADE)) {
-          const transitionDuration = Util.getTransitionDurationFromElement(this.tip)
+      $(tip).addClass(ClassName.SHOW)
 
-          $(this.tip)
-            .one(Util.TRANSITION_END, complete)
-            .emulateTransitionEnd(transitionDuration)
-        } else {
-          complete()
-        }
+      // If this is a touch-enabled device we add extra
+      // empty mouseover listeners to the body's immediate children;
+      // only needed because of broken event delegation on iOS
+      // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html
+      if ('ontouchstart' in document.documentElement) {
+        $(document.body).children().on('mouseover', null, $.noop)
       }
-    }
 
-    hide(callback) {
-      const tip       = this.getTipElement()
-      const hideEvent = $.Event(this.constructor.Event.HIDE)
       const complete = () => {
-        if (this._hoverState !== HoverState.SHOW && tip.parentNode) {
-          tip.parentNode.removeChild(tip)
+        if (this.config.animation) {
+          this._fixTransition()
         }
+        const prevHoverState = this._hoverState
+        this._hoverState     = null
 
-        this._cleanTipClass()
-        this.element.removeAttribute('aria-describedby')
-        $(this.element).trigger(this.constructor.Event.HIDDEN)
-        if (this._popper !== null) {
-          this._popper.destroy()
-        }
+        $(this.element).trigger(this.constructor.Event.SHOWN)
 
-        if (callback) {
-          callback()
+        if (prevHoverState === HoverState.OUT) {
+          this._leave(null, this)
         }
       }
 
-      $(this.element).trigger(hideEvent)
-
-      if (hideEvent.isDefaultPrevented()) {
-        return
-      }
-
-      $(tip).removeClass(ClassName.SHOW)
-
-      // If this is a touch-enabled device we remove the extra
-      // empty mouseover listeners we added for iOS support
-      if ('ontouchstart' in document.documentElement) {
-        $(document.body).children().off('mouseover', null, $.noop)
-      }
-
-      this._activeTrigger[Trigger.CLICK] = false
-      this._activeTrigger[Trigger.FOCUS] = false
-      this._activeTrigger[Trigger.HOVER] = false
-
       if ($(this.tip).hasClass(ClassName.FADE)) {
-        const transitionDuration = Util.getTransitionDurationFromElement(tip)
+        const transitionDuration = Util.getTransitionDurationFromElement(this.tip)
 
-        $(tip)
+        $(this.tip)
           .one(Util.TRANSITION_END, complete)
           .emulateTransitionEnd(transitionDuration)
       } else {
         complete()
       }
-
-      this._hoverState = ''
     }
+  }
 
-    update() {
-      if (this._popper !== null) {
-        this._popper.scheduleUpdate()
+  hide(callback) {
+    const tip       = this.getTipElement()
+    const hideEvent = $.Event(this.constructor.Event.HIDE)
+    const complete = () => {
+      if (this._hoverState !== HoverState.SHOW && tip.parentNode) {
+        tip.parentNode.removeChild(tip)
       }
-    }
 
-    // Protected
+      this._cleanTipClass()
+      this.element.removeAttribute('aria-describedby')
+      $(this.element).trigger(this.constructor.Event.HIDDEN)
+      if (this._popper !== null) {
+        this._popper.destroy()
+      }
 
-    isWithContent() {
-      return Boolean(this.getTitle())
+      if (callback) {
+        callback()
+      }
     }
 
-    addAttachmentClass(attachment) {
-      $(this.getTipElement()).addClass(`${CLASS_PREFIX}-${attachment}`)
-    }
+    $(this.element).trigger(hideEvent)
 
-    getTipElement() {
-      this.tip = this.tip || $(this.config.template)[0]
-      return this.tip
+    if (hideEvent.isDefaultPrevented()) {
+      return
     }
 
-    setContent() {
-      const tip = this.getTipElement()
-      this.setElementContent($(tip.querySelectorAll(Selector.TOOLTIP_INNER)), this.getTitle())
-      $(tip).removeClass(`${ClassName.FADE} ${ClassName.SHOW}`)
-    }
+    $(tip).removeClass(ClassName.SHOW)
 
-    setElementContent($element, content) {
-      const html = this.config.html
-      if (typeof content === 'object' && (content.nodeType || content.jquery)) {
-        // Content is a DOM node or a jQuery
-        if (html) {
-          if (!$(content).parent().is($element)) {
-            $element.empty().append(content)
-          }
-        } else {
-          $element.text($(content).text())
-        }
-      } else {
-        $element[html ? 'html' : 'text'](content)
-      }
+    // If this is a touch-enabled device we remove the extra
+    // empty mouseover listeners we added for iOS support
+    if ('ontouchstart' in document.documentElement) {
+      $(document.body).children().off('mouseover', null, $.noop)
     }
 
-    getTitle() {
-      let title = this.element.getAttribute('data-original-title')
+    this._activeTrigger[Trigger.CLICK] = false
+    this._activeTrigger[Trigger.FOCUS] = false
+    this._activeTrigger[Trigger.HOVER] = false
 
-      if (!title) {
-        title = typeof this.config.title === 'function'
-          ? this.config.title.call(this.element)
-          : this.config.title
-      }
+    if ($(this.tip).hasClass(ClassName.FADE)) {
+      const transitionDuration = Util.getTransitionDurationFromElement(tip)
 
-      return title
+      $(tip)
+        .one(Util.TRANSITION_END, complete)
+        .emulateTransitionEnd(transitionDuration)
+    } else {
+      complete()
     }
 
-    // Private
+    this._hoverState = ''
+  }
 
-    _getAttachment(placement) {
-      return AttachmentMap[placement.toUpperCase()]
+  update() {
+    if (this._popper !== null) {
+      this._popper.scheduleUpdate()
     }
+  }
 
-    _setListeners() {
-      const triggers = this.config.trigger.split(' ')
+  // Protected
 
-      triggers.forEach((trigger) => {
-        if (trigger === 'click') {
-          $(this.element).on(
-            this.constructor.Event.CLICK,
-            this.config.selector,
-            (event) => this.toggle(event)
-          )
-        } else if (trigger !== Trigger.MANUAL) {
-          const eventIn = trigger === Trigger.HOVER
-            ? this.constructor.Event.MOUSEENTER
-            : this.constructor.Event.FOCUSIN
-          const eventOut = trigger === Trigger.HOVER
-            ? this.constructor.Event.MOUSELEAVE
-            : this.constructor.Event.FOCUSOUT
-
-          $(this.element)
-            .on(
-              eventIn,
-              this.config.selector,
-              (event) => this._enter(event)
-            )
-            .on(
-              eventOut,
-              this.config.selector,
-              (event) => this._leave(event)
-            )
-        }
+  isWithContent() {
+    return Boolean(this.getTitle())
+  }
 
-        $(this.element).closest('.modal').on(
-          'hide.bs.modal',
-          () => this.hide()
-        )
-      })
+  addAttachmentClass(attachment) {
+    $(this.getTipElement()).addClass(`${CLASS_PREFIX}-${attachment}`)
+  }
 
-      if (this.config.selector) {
-        this.config = {
-          ...this.config,
-          trigger: 'manual',
-          selector: ''
+  getTipElement() {
+    this.tip = this.tip || $(this.config.template)[0]
+    return this.tip
+  }
+
+  setContent() {
+    const tip = this.getTipElement()
+    this.setElementContent($(tip.querySelectorAll(Selector.TOOLTIP_INNER)), this.getTitle())
+    $(tip).removeClass(`${ClassName.FADE} ${ClassName.SHOW}`)
+  }
+
+  setElementContent($element, content) {
+    const html = this.config.html
+    if (typeof content === 'object' && (content.nodeType || content.jquery)) {
+      // Content is a DOM node or a jQuery
+      if (html) {
+        if (!$(content).parent().is($element)) {
+          $element.empty().append(content)
         }
       } else {
-        this._fixTitle()
+        $element.text($(content).text())
       }
+    } else {
+      $element[html ? 'html' : 'text'](content)
     }
+  }
 
-    _fixTitle() {
-      const titleType = typeof this.element.getAttribute('data-original-title')
-      if (this.element.getAttribute('title') ||
-         titleType !== 'string') {
-        this.element.setAttribute(
-          'data-original-title',
-          this.element.getAttribute('title') || ''
-        )
-        this.element.setAttribute('title', '')
-      }
+  getTitle() {
+    let title = this.element.getAttribute('data-original-title')
+
+    if (!title) {
+      title = typeof this.config.title === 'function'
+        ? this.config.title.call(this.element)
+        : this.config.title
     }
 
-    _enter(event, context) {
-      const dataKey = this.constructor.DATA_KEY
+    return title
+  }
 
-      context = context || $(event.currentTarget).data(dataKey)
+  // Private
 
-      if (!context) {
-        context = new this.constructor(
-          event.currentTarget,
-          this._getDelegateConfig()
+  _getAttachment(placement) {
+    return AttachmentMap[placement.toUpperCase()]
+  }
+
+  _setListeners() {
+    const triggers = this.config.trigger.split(' ')
+
+    triggers.forEach((trigger) => {
+      if (trigger === 'click') {
+        $(this.element).on(
+          this.constructor.Event.CLICK,
+          this.config.selector,
+          (event) => this.toggle(event)
         )
-        $(event.currentTarget).data(dataKey, context)
+      } else if (trigger !== Trigger.MANUAL) {
+        const eventIn = trigger === Trigger.HOVER
+          ? this.constructor.Event.MOUSEENTER
+          : this.constructor.Event.FOCUSIN
+        const eventOut = trigger === Trigger.HOVER
+          ? this.constructor.Event.MOUSELEAVE
+          : this.constructor.Event.FOCUSOUT
+
+        $(this.element)
+          .on(
+            eventIn,
+            this.config.selector,
+            (event) => this._enter(event)
+          )
+          .on(
+            eventOut,
+            this.config.selector,
+            (event) => this._leave(event)
+          )
       }
 
-      if (event) {
-        context._activeTrigger[
-          event.type === 'focusin' ? Trigger.FOCUS : Trigger.HOVER
-        ] = true
-      }
+      $(this.element).closest('.modal').on(
+        'hide.bs.modal',
+        () => this.hide()
+      )
+    })
 
-      if ($(context.getTipElement()).hasClass(ClassName.SHOW) ||
-         context._hoverState === HoverState.SHOW) {
-        context._hoverState = HoverState.SHOW
-        return
+    if (this.config.selector) {
+      this.config = {
+        ...this.config,
+        trigger: 'manual',
+        selector: ''
       }
+    } else {
+      this._fixTitle()
+    }
+  }
 
-      clearTimeout(context._timeout)
+  _fixTitle() {
+    const titleType = typeof this.element.getAttribute('data-original-title')
+    if (this.element.getAttribute('title') ||
+        titleType !== 'string') {
+      this.element.setAttribute(
+        'data-original-title',
+        this.element.getAttribute('title') || ''
+      )
+      this.element.setAttribute('title', '')
+    }
+  }
 
-      context._hoverState = HoverState.SHOW
+  _enter(event, context) {
+    const dataKey = this.constructor.DATA_KEY
 
-      if (!context.config.delay || !context.config.delay.show) {
-        context.show()
-        return
-      }
+    context = context || $(event.currentTarget).data(dataKey)
 
-      context._timeout = setTimeout(() => {
-        if (context._hoverState === HoverState.SHOW) {
-          context.show()
-        }
-      }, context.config.delay.show)
+    if (!context) {
+      context = new this.constructor(
+        event.currentTarget,
+        this._getDelegateConfig()
+      )
+      $(event.currentTarget).data(dataKey, context)
     }
 
-    _leave(event, context) {
-      const dataKey = this.constructor.DATA_KEY
+    if (event) {
+      context._activeTrigger[
+        event.type === 'focusin' ? Trigger.FOCUS : Trigger.HOVER
+      ] = true
+    }
 
-      context = context || $(event.currentTarget).data(dataKey)
+    if ($(context.getTipElement()).hasClass(ClassName.SHOW) ||
+        context._hoverState === HoverState.SHOW) {
+      context._hoverState = HoverState.SHOW
+      return
+    }
 
-      if (!context) {
-        context = new this.constructor(
-          event.currentTarget,
-          this._getDelegateConfig()
-        )
-        $(event.currentTarget).data(dataKey, context)
-      }
+    clearTimeout(context._timeout)
 
-      if (event) {
-        context._activeTrigger[
-          event.type === 'focusout' ? Trigger.FOCUS : Trigger.HOVER
-        ] = false
-      }
+    context._hoverState = HoverState.SHOW
 
-      if (context._isWithActiveTrigger()) {
-        return
-      }
+    if (!context.config.delay || !context.config.delay.show) {
+      context.show()
+      return
+    }
 
-      clearTimeout(context._timeout)
+    context._timeout = setTimeout(() => {
+      if (context._hoverState === HoverState.SHOW) {
+        context.show()
+      }
+    }, context.config.delay.show)
+  }
 
-      context._hoverState = HoverState.OUT
+  _leave(event, context) {
+    const dataKey = this.constructor.DATA_KEY
 
-      if (!context.config.delay || !context.config.delay.hide) {
-        context.hide()
-        return
-      }
+    context = context || $(event.currentTarget).data(dataKey)
 
-      context._timeout = setTimeout(() => {
-        if (context._hoverState === HoverState.OUT) {
-          context.hide()
-        }
-      }, context.config.delay.hide)
+    if (!context) {
+      context = new this.constructor(
+        event.currentTarget,
+        this._getDelegateConfig()
+      )
+      $(event.currentTarget).data(dataKey, context)
     }
 
-    _isWithActiveTrigger() {
-      for (const trigger in this._activeTrigger) {
-        if (this._activeTrigger[trigger]) {
-          return true
-        }
-      }
+    if (event) {
+      context._activeTrigger[
+        event.type === 'focusout' ? Trigger.FOCUS : Trigger.HOVER
+      ] = false
+    }
 
-      return false
+    if (context._isWithActiveTrigger()) {
+      return
     }
 
-    _getConfig(config) {
-      config = {
-        ...this.constructor.Default,
-        ...$(this.element).data(),
-        ...typeof config === 'object' && config ? config : {}
-      }
+    clearTimeout(context._timeout)
 
-      if (typeof config.delay === 'number') {
-        config.delay = {
-          show: config.delay,
-          hide: config.delay
-        }
-      }
+    context._hoverState = HoverState.OUT
 
-      if (typeof config.title === 'number') {
-        config.title = config.title.toString()
-      }
+    if (!context.config.delay || !context.config.delay.hide) {
+      context.hide()
+      return
+    }
 
-      if (typeof config.content === 'number') {
-        config.content = config.content.toString()
+    context._timeout = setTimeout(() => {
+      if (context._hoverState === HoverState.OUT) {
+        context.hide()
       }
+    }, context.config.delay.hide)
+  }
 
-      Util.typeCheckConfig(
-        NAME,
-        config,
-        this.constructor.DefaultType
-      )
-
-      return config
+  _isWithActiveTrigger() {
+    for (const trigger in this._activeTrigger) {
+      if (this._activeTrigger[trigger]) {
+        return true
+      }
     }
 
-    _getDelegateConfig() {
-      const config = {}
-
-      if (this.config) {
-        for (const key in this.config) {
-          if (this.constructor.Default[key] !== this.config[key]) {
-            config[key] = this.config[key]
-          }
-        }
-      }
+    return false
+  }
 
-      return config
+  _getConfig(config) {
+    config = {
+      ...this.constructor.Default,
+      ...$(this.element).data(),
+      ...typeof config === 'object' && config ? config : {}
     }
 
-    _cleanTipClass() {
-      const $tip = $(this.getTipElement())
-      const tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX)
-      if (tabClass !== null && tabClass.length) {
-        $tip.removeClass(tabClass.join(''))
+    if (typeof config.delay === 'number') {
+      config.delay = {
+        show: config.delay,
+        hide: config.delay
       }
     }
 
-    _handlePopperPlacementChange(popperData) {
-      const popperInstance = popperData.instance
-      this.tip = popperInstance.popper
-      this._cleanTipClass()
-      this.addAttachmentClass(this._getAttachment(popperData.placement))
+    if (typeof config.title === 'number') {
+      config.title = config.title.toString()
     }
 
-    _fixTransition() {
-      const tip = this.getTipElement()
-      const initConfigAnimation = this.config.animation
-      if (tip.getAttribute('x-placement') !== null) {
-        return
-      }
-      $(tip).removeClass(ClassName.FADE)
-      this.config.animation = false
-      this.hide()
-      this.show()
-      this.config.animation = initConfigAnimation
+    if (typeof config.content === 'number') {
+      config.content = config.content.toString()
     }
 
-    // Static
+    Util.typeCheckConfig(
+      NAME,
+      config,
+      this.constructor.DefaultType
+    )
 
-    static _jQueryInterface(config) {
-      return this.each(function () {
-        let data = $(this).data(DATA_KEY)
-        const _config = typeof config === 'object' && config
+    return config
+  }
 
-        if (!data && /dispose|hide/.test(config)) {
-          return
-        }
+  _getDelegateConfig() {
+    const config = {}
 
-        if (!data) {
-          data = new Tooltip(this, _config)
-          $(this).data(DATA_KEY, data)
+    if (this.config) {
+      for (const key in this.config) {
+        if (this.constructor.Default[key] !== this.config[key]) {
+          config[key] = this.config[key]
         }
+      }
+    }
 
-        if (typeof config === 'string') {
-          if (typeof data[config] === 'undefined') {
-            throw new TypeError(`No method named "${config}"`)
-          }
-          data[config]()
-        }
-      })
+    return config
+  }
+
+  _cleanTipClass() {
+    const $tip = $(this.getTipElement())
+    const tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX)
+    if (tabClass !== null && tabClass.length) {
+      $tip.removeClass(tabClass.join(''))
     }
   }
 
-  /**
-   * ------------------------------------------------------------------------
-   * jQuery
-   * ------------------------------------------------------------------------
-   */
+  _handlePopperPlacementChange(popperData) {
+    const popperInstance = popperData.instance
+    this.tip = popperInstance.popper
+    this._cleanTipClass()
+    this.addAttachmentClass(this._getAttachment(popperData.placement))
+  }
+
+  _fixTransition() {
+    const tip = this.getTipElement()
+    const initConfigAnimation = this.config.animation
+    if (tip.getAttribute('x-placement') !== null) {
+      return
+    }
+    $(tip).removeClass(ClassName.FADE)
+    this.config.animation = false
+    this.hide()
+    this.show()
+    this.config.animation = initConfigAnimation
+  }
+
+  // Static
+
+  static _jQueryInterface(config) {
+    return this.each(function () {
+      let data = $(this).data(DATA_KEY)
+      const _config = typeof config === 'object' && config
+
+      if (!data && /dispose|hide/.test(config)) {
+        return
+      }
+
+      if (!data) {
+        data = new Tooltip(this, _config)
+        $(this).data(DATA_KEY, data)
+      }
 
-  $.fn[NAME] = Tooltip._jQueryInterface
-  $.fn[NAME].Constructor = Tooltip
-  $.fn[NAME].noConflict = () => {
-    $.fn[NAME] = JQUERY_NO_CONFLICT
-    return Tooltip._jQueryInterface
+      if (typeof config === 'string') {
+        if (typeof data[config] === 'undefined') {
+          throw new TypeError(`No method named "${config}"`)
+        }
+        data[config]()
+      }
+    })
   }
+}
+
+/**
+ * ------------------------------------------------------------------------
+ * jQuery
+ * ------------------------------------------------------------------------
+ */
 
-  return Tooltip
-})($, Popper)
+$.fn[NAME] = Tooltip._jQueryInterface
+$.fn[NAME].Constructor = Tooltip
+$.fn[NAME].noConflict = () => {
+  $.fn[NAME] = JQUERY_NO_CONFLICT
+  return Tooltip._jQueryInterface
+}
 
 export default Tooltip