dist

24 files changed, 2030 insertions, 1805 deletions

diff --git a/js/dist/alert.js b/js/dist/alert.js
index 0d881dc411..4420d463be 100644
--- a/js/dist/alert.js
+++ b/js/dist/alert.js
@@ -1,3 +1,5 @@
+'use strict';
+
 var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
 
 function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
@@ -9,7 +11,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
  * --------------------------------------------------------------------------
  */
 
-var Alert = function ($) {
+var Alert = function () {
 
   /**
    * ------------------------------------------------------------------------
@@ -56,98 +58,110 @@ var Alert = function ($) {
 
     // getters
 
-    // public
-
-    Alert.prototype.close = function close(element) {
-      element = element || this._element;
+    _createClass(Alert, [{
+      key: 'close',
 
-      var rootElement = this._getRootElement(element);
-      var customEvent = this._triggerCloseEvent(rootElement);
 
-      if (customEvent.isDefaultPrevented()) {
-        return;
-      }
+      // public
 
-      this._removeElement(rootElement);
-    };
+      value: function close(element) {
+        element = element || this._element;
 
-    Alert.prototype.dispose = function dispose() {
-      $.removeData(this._element, DATA_KEY);
-      this._element = null;
-    };
+        var rootElement = this._getRootElement(element);
+        var customEvent = this._triggerCloseEvent(rootElement);
 
-    // private
-
-    Alert.prototype._getRootElement = function _getRootElement(element) {
-      var selector = Util.getSelectorFromElement(element);
-      var parent = false;
+        if (customEvent.isDefaultPrevented()) {
+          return;
+        }
 
-      if (selector) {
-        parent = $(selector)[0];
+        this._removeElement(rootElement);
       }
-
-      if (!parent) {
-        parent = $(element).closest('.' + ClassName.ALERT)[0];
+    }, {
+      key: 'dispose',
+      value: function dispose() {
+        $.removeData(this._element, DATA_KEY);
+        this._element = null;
       }
 
-      return parent;
-    };
-
-    Alert.prototype._triggerCloseEvent = function _triggerCloseEvent(element) {
-      var closeEvent = $.Event(Event.CLOSE);
+      // private
 
-      $(element).trigger(closeEvent);
-      return closeEvent;
-    };
+    }, {
+      key: '_getRootElement',
+      value: function _getRootElement(element) {
+        var selector = Util.getSelectorFromElement(element);
+        var parent = false;
 
-    Alert.prototype._removeElement = function _removeElement(element) {
-      var _this = this;
+        if (selector) {
+          parent = $(selector)[0];
+        }
 
-      $(element).removeClass(ClassName.SHOW);
+        if (!parent) {
+          parent = $(element).closest('.' + ClassName.ALERT)[0];
+        }
 
-      if (!Util.supportsTransitionEnd() || !$(element).hasClass(ClassName.FADE)) {
-        this._destroyElement(element);
-        return;
+        return parent;
       }
+    }, {
+      key: '_triggerCloseEvent',
+      value: function _triggerCloseEvent(element) {
+        var closeEvent = $.Event(Event.CLOSE);
 
-      $(element).one(Util.TRANSITION_END, function (event) {
-        return _this._destroyElement(element, event);
-      }).emulateTransitionEnd(TRANSITION_DURATION);
-    };
-
-    Alert.prototype._destroyElement = function _destroyElement(element) {
-      $(element).detach().trigger(Event.CLOSED).remove();
-    };
-
-    // static
+        $(element).trigger(closeEvent);
+        return closeEvent;
+      }
+    }, {
+      key: '_removeElement',
+      value: function _removeElement(element) {
+        var _this = this;
 
-    Alert._jQueryInterface = function _jQueryInterface(config) {
-      return this.each(function () {
-        var $element = $(this);
-        var data = $element.data(DATA_KEY);
+        $(element).removeClass(ClassName.SHOW);
 
-        if (!data) {
-          data = new Alert(this);
-          $element.data(DATA_KEY, data);
+        if (!Util.supportsTransitionEnd() || !$(element).hasClass(ClassName.FADE)) {
+          this._destroyElement(element);
+          return;
         }
 
-        if (config === 'close') {
-          data[config](this);
-        }
-      });
-    };
+        $(element).one(Util.TRANSITION_END, function (event) {
+          return _this._destroyElement(element, event);
+        }).emulateTransitionEnd(TRANSITION_DURATION);
+      }
+    }, {
+      key: '_destroyElement',
+      value: function _destroyElement(element) {
+        $(element).detach().trigger(Event.CLOSED).remove();
+      }
 
-    Alert._handleDismiss = function _handleDismiss(alertInstance) {
-      return function (event) {
-        if (event) {
-          event.preventDefault();
-        }
+      // static
+
+    }], [{
+      key: '_jQueryInterface',
+      value: function _jQueryInterface(config) {
+        return this.each(function () {
+          var $element = $(this);
+          var data = $element.data(DATA_KEY);
 
-        alertInstance.close(this);
-      };
-    };
+          if (!data) {
+            data = new Alert(this);
+            $element.data(DATA_KEY, data);
+          }
 
-    _createClass(Alert, null, [{
+          if (config === 'close') {
+            data[config](this);
+          }
+        });
+      }
+    }, {
+      key: '_handleDismiss',
+      value: function _handleDismiss(alertInstance) {
+        return function (event) {
+          if (event) {
+            event.preventDefault();
+          }
+
+          alertInstance.close(this);
+        };
+      }
+    }, {
       key: 'VERSION',
       get: function get() {
         return VERSION;
diff --git a/js/dist/alert.js.map b/js/dist/alert.js.map
index 64fbf2e001..107e588bd4 100644
--- a/js/dist/alert.js.map
+++ b/js/dist/alert.js.map
@@ -1 +1 @@
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Util from './util'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-beta): alert.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Alert = (($) => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                = 'alert'\n  const VERSION             = '4.0.0-beta'\n  const DATA_KEY            = 'bs.alert'\n  const EVENT_KEY           = `.${DATA_KEY}`\n  const DATA_API_KEY        = '.data-api'\n  const JQUERY_NO_CONFLICT  = $.fn[NAME]\n  const TRANSITION_DURATION = 150\n\n  const Selector = {\n    DISMISS : '[data-dismiss=\"alert\"]'\n  }\n\n  const Event = {\n    CLOSE          : `close${EVENT_KEY}`,\n    CLOSED         : `closed${EVENT_KEY}`,\n    CLICK_DATA_API : `click${EVENT_KEY}${DATA_API_KEY}`\n  }\n\n  const ClassName = {\n    ALERT : 'alert',\n    FADE  : 'fade',\n    SHOW  : 'show'\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Alert {\n\n    constructor(element) {\n      this._element = element\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n\n    // public\n\n    close(element) {\n      element = element || this._element\n\n      const rootElement = this._getRootElement(element)\n      const customEvent = this._triggerCloseEvent(rootElement)\n\n      if (customEvent.isDefaultPrevented()) {\n        return\n      }\n\n      this._removeElement(rootElement)\n    }\n\n    dispose() {\n      $.removeData(this._element, DATA_KEY)\n      this._element = null\n    }\n\n\n    // private\n\n    _getRootElement(element) {\n      const selector = Util.getSelectorFromElement(element)\n      let parent     = false\n\n      if (selector) {\n        parent = $(selector)[0]\n      }\n\n      if (!parent) {\n        parent = $(element).closest(`.${ClassName.ALERT}`)[0]\n      }\n\n      return parent\n    }\n\n    _triggerCloseEvent(element) {\n      const closeEvent = $.Event(Event.CLOSE)\n\n      $(element).trigger(closeEvent)\n      return closeEvent\n    }\n\n    _removeElement(element) {\n      $(element).removeClass(ClassName.SHOW)\n\n      if (!Util.supportsTransitionEnd() ||\n          !$(element).hasClass(ClassName.FADE)) {\n        this._destroyElement(element)\n        return\n      }\n\n      $(element)\n        .one(Util.TRANSITION_END, (event) => this._destroyElement(element, event))\n        .emulateTransitionEnd(TRANSITION_DURATION)\n    }\n\n    _destroyElement(element) {\n      $(element)\n        .detach()\n        .trigger(Event.CLOSED)\n        .remove()\n    }\n\n\n    // static\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        const $element = $(this)\n        let data       = $element.data(DATA_KEY)\n\n        if (!data) {\n          data = new Alert(this)\n          $element.data(DATA_KEY, data)\n        }\n\n        if (config === 'close') {\n          data[config](this)\n        }\n      })\n    }\n\n    static _handleDismiss(alertInstance) {\n      return function (event) {\n        if (event) {\n          event.preventDefault()\n        }\n\n        alertInstance.close(this)\n      }\n    }\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Data Api implementation\n   * ------------------------------------------------------------------------\n   */\n\n  $(document).on(\n    Event.CLICK_DATA_API,\n    Selector.DISMISS,\n    Alert._handleDismiss(new Alert())\n  )\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * 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\ No newline at end of file
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$ from 'jquery'\nimport Util from './util'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-beta): alert.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Alert = (() => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                = 'alert'\n  const VERSION             = '4.0.0-beta'\n  const DATA_KEY            = 'bs.alert'\n  const EVENT_KEY           = `.${DATA_KEY}`\n  const DATA_API_KEY        = '.data-api'\n  const JQUERY_NO_CONFLICT  = $.fn[NAME]\n  const TRANSITION_DURATION = 150\n\n  const Selector = {\n    DISMISS : '[data-dismiss=\"alert\"]'\n  }\n\n  const Event = {\n    CLOSE          : `close${EVENT_KEY}`,\n    CLOSED         : `closed${EVENT_KEY}`,\n    CLICK_DATA_API : `click${EVENT_KEY}${DATA_API_KEY}`\n  }\n\n  const ClassName = {\n    ALERT : 'alert',\n    FADE  : 'fade',\n    SHOW  : 'show'\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Alert {\n\n    constructor(element) {\n      this._element = element\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n\n    // public\n\n    close(element) {\n      element = element || this._element\n\n      const rootElement = this._getRootElement(element)\n      const customEvent = this._triggerCloseEvent(rootElement)\n\n      if (customEvent.isDefaultPrevented()) {\n        return\n      }\n\n      this._removeElement(rootElement)\n    }\n\n    dispose() {\n      $.removeData(this._element, DATA_KEY)\n      this._element = null\n    }\n\n\n    // private\n\n    _getRootElement(element) {\n      const selector = Util.getSelectorFromElement(element)\n      let parent     = false\n\n      if (selector) {\n        parent = $(selector)[0]\n      }\n\n      if (!parent) {\n        parent = $(element).closest(`.${ClassName.ALERT}`)[0]\n      }\n\n      return parent\n    }\n\n    _triggerCloseEvent(element) {\n      const closeEvent = $.Event(Event.CLOSE)\n\n      $(element).trigger(closeEvent)\n      return closeEvent\n    }\n\n    _removeElement(element) {\n      $(element).removeClass(ClassName.SHOW)\n\n      if (!Util.supportsTransitionEnd() ||\n          !$(element).hasClass(ClassName.FADE)) {\n        this._destroyElement(element)\n        return\n      }\n\n      $(element)\n        .one(Util.TRANSITION_END, (event) => this._destroyElement(element, event))\n        .emulateTransitionEnd(TRANSITION_DURATION)\n    }\n\n    _destroyElement(element) {\n      $(element)\n        .detach()\n        .trigger(Event.CLOSED)\n        .remove()\n    }\n\n\n    // static\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        const $element = $(this)\n        let data       = $element.data(DATA_KEY)\n\n        if (!data) {\n          data = new Alert(this)\n          $element.data(DATA_KEY, data)\n        }\n\n        if (config === 'close') {\n          data[config](this)\n        }\n      })\n    }\n\n    static _handleDismiss(alertInstance) {\n      return function (event) {\n        if (event) {\n          event.preventDefault()\n        }\n\n        alertInstance.close(this)\n      }\n    }\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Data Api implementation\n   * ------------------------------------------------------------------------\n   */\n\n  $(document).on(\n    Event.CLICK_DATA_API,\n    Selector.DISMISS,\n    Alert._handleDismiss(new Alert())\n  )\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = Alert._jQueryInterface\n  $.fn[NAME].Constructor = Alert\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return Alert._jQueryInterface\n  }\n\n  return Alert\n\n})(jQuery)\n\nexport default Alert\n"]}
\ No newline at end of file
diff --git a/js/dist/button.js b/js/dist/button.js
index 69af9a8ada..21267816d6 100644
--- a/js/dist/button.js
+++ b/js/dist/button.js
@@ -1,3 +1,5 @@
+'use strict';
+
 var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
 
 function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
@@ -9,7 +11,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
  * --------------------------------------------------------------------------
  */
 
-var Button = function ($) {
+var Button = function () {
 
   /**
    * ------------------------------------------------------------------------
@@ -58,74 +60,80 @@ var Button = function ($) {
 
     // getters
 
-    // public
+    _createClass(Button, [{
+      key: 'toggle',
+
+
+      // public
 
-    Button.prototype.toggle = function toggle() {
-      var triggerChangeEvent = true;
-      var addAriaPressed = true;
-      var rootElement = $(this._element).closest(Selector.DATA_TOGGLE)[0];
+      value: function toggle() {
+        var triggerChangeEvent = true;
+        var addAriaPressed = true;
+        var rootElement = $(this._element).closest(Selector.DATA_TOGGLE)[0];
 
-      if (rootElement) {
-        var input = $(this._element).find(Selector.INPUT)[0];
+        if (rootElement) {
+          var input = $(this._element).find(Selector.INPUT)[0];
 
-        if (input) {
-          if (input.type === 'radio') {
-            if (input.checked && $(this._element).hasClass(ClassName.ACTIVE)) {
-              triggerChangeEvent = false;
-            } else {
-              var activeElement = $(rootElement).find(Selector.ACTIVE)[0];
+          if (input) {
+            if (input.type === 'radio') {
+              if (input.checked && $(this._element).hasClass(ClassName.ACTIVE)) {
+                triggerChangeEvent = false;
+              } else {
+                var activeElement = $(rootElement).find(Selector.ACTIVE)[0];
 
-              if (activeElement) {
-                $(activeElement).removeClass(ClassName.ACTIVE);
+                if (activeElement) {
+                  $(activeElement).removeClass(ClassName.ACTIVE);
+                }
               }
             }
-          }
 
-          if (triggerChangeEvent) {
-            if (input.hasAttribute('disabled') || rootElement.hasAttribute('disabled') || input.classList.contains('disabled') || rootElement.classList.contains('disabled')) {
-              return;
+            if (triggerChangeEvent) {
+              if (input.hasAttribute('disabled') || rootElement.hasAttribute('disabled') || input.classList.contains('disabled') || rootElement.classList.contains('disabled')) {
+                return;
+              }
+              input.checked = !$(this._element).hasClass(ClassName.ACTIVE);
+              $(input).trigger('change');
             }
-            input.checked = !$(this._element).hasClass(ClassName.ACTIVE);
-            $(input).trigger('change');
+
+            input.focus();
+            addAriaPressed = false;
           }
+        }
 
-          input.focus();
-          addAriaPressed = false;
+        if (addAriaPressed) {
+          this._element.setAttribute('aria-pressed', !$(this._element).hasClass(ClassName.ACTIVE));
         }
-      }
 
-      if (addAriaPressed) {
-        this._element.setAttribute('aria-pressed', !$(this._element).hasClass(ClassName.ACTIVE));
+        if (triggerChangeEvent) {
+          $(this._element).toggleClass(ClassName.ACTIVE);
+        }
       }
-
-      if (triggerChangeEvent) {
-        $(this._element).toggleClass(ClassName.ACTIVE);
+    }, {
+      key: 'dispose',
+      value: function dispose() {
+        $.removeData(this._element, DATA_KEY);
+        this._element = null;
       }
-    };
-
-    Button.prototype.dispose = function dispose() {
-      $.removeData(this._element, DATA_KEY);
-      this._element = null;
-    };
 
-    // static
+      // static
 
-    Button._jQueryInterface = function _jQueryInterface(config) {
-      return this.each(function () {
-        var data = $(this).data(DATA_KEY);
-
-        if (!data) {
-          data = new Button(this);
-          $(this).data(DATA_KEY, data);
-        }
+    }], [{
+      key: '_jQueryInterface',
+      value: function _jQueryInterface(config) {
+        return this.each(function () {
+          var data = $(this).data(DATA_KEY);
 
-        if (config === 'toggle') {
-          data[config]();
-        }
-      });
-    };
+          if (!data) {
+            data = new Button(this);
+            $(this).data(DATA_KEY, data);
+          }
 
-    _createClass(Button, null, [{
+          if (config === 'toggle') {
+            data[config]();
+          }
+        });
+      }
+    }, {
       key: 'VERSION',
       get: function get() {
         return VERSION;
diff --git a/js/dist/button.js.map b/js/dist/button.js.map
index f22489cfe8..46ee9bc4e2 100644
--- a/js/dist/button.js.map
+++ b/js/dist/button.js.map
@@ -1 +1 @@
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* --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-beta): button.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Button = (($) => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                = 'button'\n  const VERSION             = '4.0.0-beta'\n  const DATA_KEY            = 'bs.button'\n  const EVENT_KEY           = `.${DATA_KEY}`\n  const DATA_API_KEY        = '.data-api'\n  const JQUERY_NO_CONFLICT  = $.fn[NAME]\n\n  const ClassName = {\n    ACTIVE : 'active',\n    BUTTON : 'btn',\n    FOCUS  : 'focus'\n  }\n\n  const Selector = {\n    DATA_TOGGLE_CARROT : '[data-toggle^=\"button\"]',\n    DATA_TOGGLE        : '[data-toggle=\"buttons\"]',\n    INPUT              : 'input',\n    ACTIVE             : '.active',\n    BUTTON             : '.btn'\n  }\n\n  const Event = {\n    CLICK_DATA_API      : `click${EVENT_KEY}${DATA_API_KEY}`,\n    FOCUS_BLUR_DATA_API : `focus${EVENT_KEY}${DATA_API_KEY} `\n                        + `blur${EVENT_KEY}${DATA_API_KEY}`\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Button {\n\n    constructor(element) {\n      this._element = element\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n\n    // public\n\n    toggle() {\n      let triggerChangeEvent = true\n      let addAriaPressed = true\n      const rootElement      = $(this._element).closest(\n        Selector.DATA_TOGGLE\n      )[0]\n\n      if (rootElement) {\n        const input = $(this._element).find(Selector.INPUT)[0]\n\n        if (input) {\n          if (input.type === 'radio') {\n            if (input.checked &&\n              $(this._element).hasClass(ClassName.ACTIVE)) {\n              triggerChangeEvent = false\n\n            } else {\n              const activeElement = $(rootElement).find(Selector.ACTIVE)[0]\n\n              if (activeElement) {\n                $(activeElement).removeClass(ClassName.ACTIVE)\n              }\n            }\n          }\n\n          if (triggerChangeEvent) {\n            if (input.hasAttribute('disabled') ||\n              rootElement.hasAttribute('disabled') ||\n              input.classList.contains('disabled') ||\n              rootElement.classList.contains('disabled')) {\n              return\n            }\n            input.checked = !$(this._element).hasClass(ClassName.ACTIVE)\n            $(input).trigger('change')\n          }\n\n          input.focus()\n          addAriaPressed = false\n        }\n\n      }\n\n      if (addAriaPressed) {\n        this._element.setAttribute('aria-pressed',\n          !$(this._element).hasClass(ClassName.ACTIVE))\n      }\n\n      if (triggerChangeEvent) {\n        $(this._element).toggleClass(ClassName.ACTIVE)\n      }\n    }\n\n    dispose() {\n      $.removeData(this._element, DATA_KEY)\n      this._element = null\n    }\n\n\n    // static\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        let data = $(this).data(DATA_KEY)\n\n        if (!data) {\n          data = new Button(this)\n          $(this).data(DATA_KEY, data)\n        }\n\n        if (config === 'toggle') {\n          data[config]()\n        }\n      })\n    }\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Data Api implementation\n   * ------------------------------------------------------------------------\n   */\n\n  $(document)\n    .on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE_CARROT, (event) => {\n      event.preventDefault()\n\n      let button = event.target\n\n      if (!$(button).hasClass(ClassName.BUTTON)) {\n        button = $(button).closest(Selector.BUTTON)\n      }\n\n      Button._jQueryInterface.call($(button), 'toggle')\n    })\n    .on(Event.FOCUS_BLUR_DATA_API, Selector.DATA_TOGGLE_CARROT, (event) => {\n      const button = $(event.target).closest(Selector.BUTTON)[0]\n      $(button).toggleClass(ClassName.FOCUS, /^focus(in)?$/.test(event.type))\n    })\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = Button._jQueryInterface\n  $.fn[NAME].Constructor = Button\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return Button._jQueryInterface\n  }\n\n  return Button\n\n})(jQuery)\n\nexport default Button\n"]}
\ No newline at end of file
+{"version":3,"sources":["../src/button.js"],"names":["Button","NAME","VERSION","DATA_KEY","EVENT_KEY","DATA_API_KEY","JQUERY_NO_CONFLICT","$","fn","ClassName","ACTIVE","BUTTON","FOCUS","Selector","DATA_TOGGLE_CARROT","DATA_TOGGLE","INPUT","Event","CLICK_DATA_API","FOCUS_BLUR_DATA_API","element","_element","triggerChangeEvent","addAriaPressed","rootElement","closest","input","find","type","checked","hasClass","activeElement","removeClass","hasAttribute","classList","contains","trigger","focus","setAttribute","toggleClass","removeData","config","each","data","document","on","event","preventDefault","button","target","_jQueryInterface","call","test","Constructor","noConflict","jQuery"],"mappings":";;;;;;AACA;;;;;;;AAOA,IAAMA,SAAU,YAAM;;AAGpB;;;;;;AAMA,MAAMC,OAAsB,QAA5B;AACA,MAAMC,UAAsB,YAA5B;AACA,MAAMC,WAAsB,WAA5B;AACA,MAAMC,kBAA0BD,QAAhC;AACA,MAAME,eAAsB,WAA5B;AACA,MAAMC,qBAAsBC,EAAEC,EAAF,CAAKP,IAAL,CAA5B;;AAEA,MAAMQ,YAAY;AAChBC,YAAS,QADO;AAEhBC,YAAS,KAFO;AAGhBC,WAAS;AAHO,GAAlB;;AAMA,MAAMC,WAAW;AACfC,wBAAqB,yBADN;AAEfC,iBAAqB,yBAFN;AAGfC,WAAqB,OAHN;AAIfN,YAAqB,SAJN;AAKfC,YAAqB;AALN,GAAjB;;AAQA,MAAMM,QAAQ;AACZC,8BAA8Bd,SAA9B,GAA0CC,YAD9B;AAEZc,yBAAsB,UAAQf,SAAR,GAAoBC,YAApB,mBACOD,SADP,GACmBC,YADnB;;AAKxB;;;;;;AAPc,GAAd;AA9BoB,MA2CdL,MA3Cc;AA6ClB,oBAAYoB,OAAZ,EAAqB;AAAA;;AACnB,WAAKC,QAAL,GAAgBD,OAAhB;AACD;;AAGD;;AAlDkB;AAAA;;;AAyDlB;;AAzDkB,+BA2DT;AACP,YAAIE,qBAAqB,IAAzB;AACA,YAAIC,iBAAiB,IAArB;AACA,YAAMC,cAAmBjB,EAAE,KAAKc,QAAP,EAAiBI,OAAjB,CACvBZ,SAASE,WADc,EAEvB,CAFuB,CAAzB;;AAIA,YAAIS,WAAJ,EAAiB;AACf,cAAME,QAAQnB,EAAE,KAAKc,QAAP,EAAiBM,IAAjB,CAAsBd,SAASG,KAA/B,EAAsC,CAAtC,CAAd;;AAEA,cAAIU,KAAJ,EAAW;AACT,gBAAIA,MAAME,IAAN,KAAe,OAAnB,EAA4B;AAC1B,kBAAIF,MAAMG,OAAN,IACFtB,EAAE,KAAKc,QAAP,EAAiBS,QAAjB,CAA0BrB,UAAUC,MAApC,CADF,EAC+C;AAC7CY,qCAAqB,KAArB;AAED,eAJD,MAIO;AACL,oBAAMS,gBAAgBxB,EAAEiB,WAAF,EAAeG,IAAf,CAAoBd,SAASH,MAA7B,EAAqC,CAArC,CAAtB;;AAEA,oBAAIqB,aAAJ,EAAmB;AACjBxB,oBAAEwB,aAAF,EAAiBC,WAAjB,CAA6BvB,UAAUC,MAAvC;AACD;AACF;AACF;;AAED,gBAAIY,kBAAJ,EAAwB;AACtB,kBAAII,MAAMO,YAAN,CAAmB,UAAnB,KACFT,YAAYS,YAAZ,CAAyB,UAAzB,CADE,IAEFP,MAAMQ,SAAN,CAAgBC,QAAhB,CAAyB,UAAzB,CAFE,IAGFX,YAAYU,SAAZ,CAAsBC,QAAtB,CAA+B,UAA/B,CAHF,EAG8C;AAC5C;AACD;AACDT,oBAAMG,OAAN,GAAgB,CAACtB,EAAE,KAAKc,QAAP,EAAiBS,QAAjB,CAA0BrB,UAAUC,MAApC,CAAjB;AACAH,gBAAEmB,KAAF,EAASU,OAAT,CAAiB,QAAjB;AACD;;AAEDV,kBAAMW,KAAN;AACAd,6BAAiB,KAAjB;AACD;AAEF;;AAED,YAAIA,cAAJ,EAAoB;AAClB,eAAKF,QAAL,CAAciB,YAAd,CAA2B,cAA3B,EACE,CAAC/B,EAAE,KAAKc,QAAP,EAAiBS,QAAjB,CAA0BrB,UAAUC,MAApC,CADH;AAED;;AAED,YAAIY,kBAAJ,EAAwB;AACtBf,YAAE,KAAKc,QAAP,EAAiBkB,WAAjB,CAA6B9B,UAAUC,MAAvC;AACD;AACF;AA7GiB;AAAA;AAAA,gCA+GR;AACRH,UAAEiC,UAAF,CAAa,KAAKnB,QAAlB,EAA4BlB,QAA5B;AACA,aAAKkB,QAAL,GAAgB,IAAhB;AACD;;AAGD;;AArHkB;AAAA;AAAA,uCAuHMoB,MAvHN,EAuHc;AAC9B,eAAO,KAAKC,IAAL,CAAU,YAAY;AAC3B,cAAIC,OAAOpC,EAAE,IAAF,EAAQoC,IAAR,CAAaxC,QAAb,CAAX;;AAEA,cAAI,CAACwC,IAAL,EAAW;AACTA,mBAAO,IAAI3C,MAAJ,CAAW,IAAX,CAAP;AACAO,cAAE,IAAF,EAAQoC,IAAR,CAAaxC,QAAb,EAAuBwC,IAAvB;AACD;;AAED,cAAIF,WAAW,QAAf,EAAyB;AACvBE,iBAAKF,MAAL;AACD;AACF,SAXM,CAAP;AAYD;AApIiB;AAAA;AAAA,0BAoDG;AACnB,eAAOvC,OAAP;AACD;AAtDiB;;AAAA;AAAA;;AAyIpB;;;;;;AAMAK,IAAEqC,QAAF,EACGC,EADH,CACM5B,MAAMC,cADZ,EAC4BL,SAASC,kBADrC,EACyD,UAACgC,KAAD,EAAW;AAChEA,UAAMC,cAAN;;AAEA,QAAIC,SAASF,MAAMG,MAAnB;;AAEA,QAAI,CAAC1C,EAAEyC,MAAF,EAAUlB,QAAV,CAAmBrB,UAAUE,MAA7B,CAAL,EAA2C;AACzCqC,eAASzC,EAAEyC,MAAF,EAAUvB,OAAV,CAAkBZ,SAASF,MAA3B,CAAT;AACD;;AAEDX,WAAOkD,gBAAP,CAAwBC,IAAxB,CAA6B5C,EAAEyC,MAAF,CAA7B,EAAwC,QAAxC;AACD,GAXH,EAYGH,EAZH,CAYM5B,MAAME,mBAZZ,EAYiCN,SAASC,kBAZ1C,EAY8D,UAACgC,KAAD,EAAW;AACrE,QAAME,SAASzC,EAAEuC,MAAMG,MAAR,EAAgBxB,OAAhB,CAAwBZ,SAASF,MAAjC,EAAyC,CAAzC,CAAf;AACAJ,MAAEyC,MAAF,EAAUT,WAAV,CAAsB9B,UAAUG,KAAhC,EAAuC,eAAewC,IAAf,CAAoBN,MAAMlB,IAA1B,CAAvC;AACD,GAfH;;AAkBA;;;;;;AAMArB,IAAEC,EAAF,CAAKP,IAAL,IAAyBD,OAAOkD,gBAAhC;AACA3C,IAAEC,EAAF,CAAKP,IAAL,EAAWoD,WAAX,GAAyBrD,MAAzB;AACAO,IAAEC,EAAF,CAAKP,IAAL,EAAWqD,UAAX,GAAyB,YAAY;AACnC/C,MAAEC,EAAF,CAAKP,IAAL,IAAaK,kBAAb;AACA,WAAON,OAAOkD,gBAAd;AACD,GAHD;;AAKA,SAAOlD,MAAP;AAED,CAhLc,CAgLZuD,MAhLY,CAAf","file":"button.js","sourcesContent":["import $ from 'jquery'\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-beta): button.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Button = (() => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                = 'button'\n  const VERSION             = '4.0.0-beta'\n  const DATA_KEY            = 'bs.button'\n  const EVENT_KEY           = `.${DATA_KEY}`\n  const DATA_API_KEY        = '.data-api'\n  const JQUERY_NO_CONFLICT  = $.fn[NAME]\n\n  const ClassName = {\n    ACTIVE : 'active',\n    BUTTON : 'btn',\n    FOCUS  : 'focus'\n  }\n\n  const Selector = {\n    DATA_TOGGLE_CARROT : '[data-toggle^=\"button\"]',\n    DATA_TOGGLE        : '[data-toggle=\"buttons\"]',\n    INPUT              : 'input',\n    ACTIVE             : '.active',\n    BUTTON             : '.btn'\n  }\n\n  const Event = {\n    CLICK_DATA_API      : `click${EVENT_KEY}${DATA_API_KEY}`,\n    FOCUS_BLUR_DATA_API : `focus${EVENT_KEY}${DATA_API_KEY} `\n                        + `blur${EVENT_KEY}${DATA_API_KEY}`\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Button {\n\n    constructor(element) {\n      this._element = element\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n\n    // public\n\n    toggle() {\n      let triggerChangeEvent = true\n      let addAriaPressed = true\n      const rootElement      = $(this._element).closest(\n        Selector.DATA_TOGGLE\n      )[0]\n\n      if (rootElement) {\n        const input = $(this._element).find(Selector.INPUT)[0]\n\n        if (input) {\n          if (input.type === 'radio') {\n            if (input.checked &&\n              $(this._element).hasClass(ClassName.ACTIVE)) {\n              triggerChangeEvent = false\n\n            } else {\n              const activeElement = $(rootElement).find(Selector.ACTIVE)[0]\n\n              if (activeElement) {\n                $(activeElement).removeClass(ClassName.ACTIVE)\n              }\n            }\n          }\n\n          if (triggerChangeEvent) {\n            if (input.hasAttribute('disabled') ||\n              rootElement.hasAttribute('disabled') ||\n              input.classList.contains('disabled') ||\n              rootElement.classList.contains('disabled')) {\n              return\n            }\n            input.checked = !$(this._element).hasClass(ClassName.ACTIVE)\n            $(input).trigger('change')\n          }\n\n          input.focus()\n          addAriaPressed = false\n        }\n\n      }\n\n      if (addAriaPressed) {\n        this._element.setAttribute('aria-pressed',\n          !$(this._element).hasClass(ClassName.ACTIVE))\n      }\n\n      if (triggerChangeEvent) {\n        $(this._element).toggleClass(ClassName.ACTIVE)\n      }\n    }\n\n    dispose() {\n      $.removeData(this._element, DATA_KEY)\n      this._element = null\n    }\n\n\n    // static\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        let data = $(this).data(DATA_KEY)\n\n        if (!data) {\n          data = new Button(this)\n          $(this).data(DATA_KEY, data)\n        }\n\n        if (config === 'toggle') {\n          data[config]()\n        }\n      })\n    }\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Data Api implementation\n   * ------------------------------------------------------------------------\n   */\n\n  $(document)\n    .on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE_CARROT, (event) => {\n      event.preventDefault()\n\n      let button = event.target\n\n      if (!$(button).hasClass(ClassName.BUTTON)) {\n        button = $(button).closest(Selector.BUTTON)\n      }\n\n      Button._jQueryInterface.call($(button), 'toggle')\n    })\n    .on(Event.FOCUS_BLUR_DATA_API, Selector.DATA_TOGGLE_CARROT, (event) => {\n      const button = $(event.target).closest(Selector.BUTTON)[0]\n      $(button).toggleClass(ClassName.FOCUS, /^focus(in)?$/.test(event.type))\n    })\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = Button._jQueryInterface\n  $.fn[NAME].Constructor = Button\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return Button._jQueryInterface\n  }\n\n  return Button\n\n})(jQuery)\n\nexport default Button\n"]}
\ No newline at end of file
diff --git a/js/dist/carousel.js b/js/dist/carousel.js
index 6001f024f6..d70d03d961 100644
--- a/js/dist/carousel.js
+++ b/js/dist/carousel.js
@@ -1,3 +1,5 @@
+'use strict';
+
 var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
 
 var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
@@ -11,7 +13,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
  * --------------------------------------------------------------------------
  */
 
-var Carousel = function ($) {
+var Carousel = function () {
 
   /**
    * ------------------------------------------------------------------------
@@ -113,360 +115,381 @@ var Carousel = function ($) {
 
     // getters
 
-    // public
+    _createClass(Carousel, [{
+      key: 'next',
 
-    Carousel.prototype.next = function next() {
-      if (!this._isSliding) {
-        this._slide(Direction.NEXT);
-      }
-    };
 
-    Carousel.prototype.nextWhenVisible = function nextWhenVisible() {
-      // Don't call next when the page isn't visible
-      // or the carousel or its parent isn't visible
-      if (!document.hidden && $(this._element).is(':visible') && $(this._element).css('visibility') !== 'hidden') {
-        this.next();
-      }
-    };
+      // public
 
-    Carousel.prototype.prev = function prev() {
-      if (!this._isSliding) {
-        this._slide(Direction.PREV);
+      value: function next() {
+        if (!this._isSliding) {
+          this._slide(Direction.NEXT);
+        }
       }
-    };
-
-    Carousel.prototype.pause = function pause(event) {
-      if (!event) {
-        this._isPaused = true;
+    }, {
+      key: 'nextWhenVisible',
+      value: function nextWhenVisible() {
+        // Don't call next when the page isn't visible
+        // or the carousel or its parent isn't visible
+        if (!document.hidden && $(this._element).is(':visible') && $(this._element).css('visibility') !== 'hidden') {
+          this.next();
+        }
       }
-
-      if ($(this._element).find(Selector.NEXT_PREV)[0] && Util.supportsTransitionEnd()) {
-        Util.triggerTransitionEnd(this._element);
-        this.cycle(true);
+    }, {
+      key: 'prev',
+      value: function prev() {
+        if (!this._isSliding) {
+          this._slide(Direction.PREV);
+        }
       }
+    }, {
+      key: 'pause',
+      value: function pause(event) {
+        if (!event) {
+          this._isPaused = true;
+        }
 
-      clearInterval(this._interval);
-      this._interval = null;
-    };
-
-    Carousel.prototype.cycle = function cycle(event) {
-      if (!event) {
-        this._isPaused = false;
-      }
+        if ($(this._element).find(Selector.NEXT_PREV)[0] && Util.supportsTransitionEnd()) {
+          Util.triggerTransitionEnd(this._element);
+          this.cycle(true);
+        }
 
-      if (this._interval) {
         clearInterval(this._interval);
         this._interval = null;
       }
+    }, {
+      key: 'cycle',
+      value: function cycle(event) {
+        if (!event) {
+          this._isPaused = false;
+        }
 
-      if (this._config.interval && !this._isPaused) {
-        this._interval = setInterval((document.visibilityState ? this.nextWhenVisible : this.next).bind(this), this._config.interval);
-      }
-    };
-
-    Carousel.prototype.to = function to(index) {
-      var _this = this;
-
-      this._activeElement = $(this._element).find(Selector.ACTIVE_ITEM)[0];
-
-      var activeIndex = this._getItemIndex(this._activeElement);
-
-      if (index > this._items.length - 1 || index < 0) {
-        return;
-      }
+        if (this._interval) {
+          clearInterval(this._interval);
+          this._interval = null;
+        }
 
-      if (this._isSliding) {
-        $(this._element).one(Event.SLID, function () {
-          return _this.to(index);
-        });
-        return;
+        if (this._config.interval && !this._isPaused) {
+          this._interval = setInterval((document.visibilityState ? this.nextWhenVisible : this.next).bind(this), this._config.interval);
+        }
       }
+    }, {
+      key: 'to',
+      value: function to(index) {
+        var _this = this;
 
-      if (activeIndex === index) {
-        this.pause();
-        this.cycle();
-        return;
-      }
+        this._activeElement = $(this._element).find(Selector.ACTIVE_ITEM)[0];
 
-      var direction = index > activeIndex ? Direction.NEXT : Direction.PREV;
+        var activeIndex = this._getItemIndex(this._activeElement);
 
-      this._slide(direction, this._items[index]);
-    };
+        if (index > this._items.length - 1 || index < 0) {
+          return;
+        }
 
-    Carousel.prototype.dispose = function dispose() {
-      $(this._element).off(EVENT_KEY);
-      $.removeData(this._element, DATA_KEY);
+        if (this._isSliding) {
+          $(this._element).one(Event.SLID, function () {
+            return _this.to(index);
+          });
+          return;
+        }
 
-      this._items = null;
-      this._config = null;
-      this._element = null;
-      this._interval = null;
-      this._isPaused = null;
-      this._isSliding = null;
-      this._activeElement = null;
-      this._indicatorsElement = null;
-    };
+        if (activeIndex === index) {
+          this.pause();
+          this.cycle();
+          return;
+        }
 
-    // private
+        var direction = index > activeIndex ? Direction.NEXT : Direction.PREV;
 
-    Carousel.prototype._getConfig = function _getConfig(config) {
-      config = $.extend({}, Default, config);
-      Util.typeCheckConfig(NAME, config, DefaultType);
-      return config;
-    };
+        this._slide(direction, this._items[index]);
+      }
+    }, {
+      key: 'dispose',
+      value: function dispose() {
+        $(this._element).off(EVENT_KEY);
+        $.removeData(this._element, DATA_KEY);
+
+        this._items = null;
+        this._config = null;
+        this._element = null;
+        this._interval = null;
+        this._isPaused = null;
+        this._isSliding = null;
+        this._activeElement = null;
+        this._indicatorsElement = null;
+      }
 
-    Carousel.prototype._addEventListeners = function _addEventListeners() {
-      var _this2 = this;
+      // private
 
-      if (this._config.keyboard) {
-        $(this._element).on(Event.KEYDOWN, function (event) {
-          return _this2._keydown(event);
-        });
+    }, {
+      key: '_getConfig',
+      value: function _getConfig(config) {
+        config = $.extend({}, Default, config);
+        Util.typeCheckConfig(NAME, config, DefaultType);
+        return config;
       }
+    }, {
+      key: '_addEventListeners',
+      value: function _addEventListeners() {
+        var _this2 = this;
 
-      if (this._config.pause === 'hover') {
-        $(this._element).on(Event.MOUSEENTER, function (event) {
-          return _this2.pause(event);
-        }).on(Event.MOUSELEAVE, function (event) {
-          return _this2.cycle(event);
-        });
-        if ('ontouchstart' in document.documentElement) {
-          // if it's a touch-enabled device, mouseenter/leave are fired as
-          // part of the mouse compatibility events on first tap - the carousel
-          // would stop cycling until user tapped out of it;
-          // here, we listen for touchend, explicitly pause the carousel
-          // (as if it's the second time we tap on it, mouseenter compat event
-          // is NOT fired) and after a timeout (to allow for mouse compatibility
-          // events to fire) we explicitly restart cycling
-          $(this._element).on(Event.TOUCHEND, function () {
-            _this2.pause();
-            if (_this2.touchTimeout) {
-              clearTimeout(_this2.touchTimeout);
-            }
-            _this2.touchTimeout = setTimeout(function (event) {
-              return _this2.cycle(event);
-            }, TOUCHEVENT_COMPAT_WAIT + _this2._config.interval);
+        if (this._config.keyboard) {
+          $(this._element).on(Event.KEYDOWN, function (event) {
+            return _this2._keydown(event);
           });
         }
-      }
-    };
 
-    Carousel.prototype._keydown = function _keydown(event) {
-      if (/input|textarea/i.test(event.target.tagName)) {
-        return;
+        if (this._config.pause === 'hover') {
+          $(this._element).on(Event.MOUSEENTER, function (event) {
+            return _this2.pause(event);
+          }).on(Event.MOUSELEAVE, function (event) {
+            return _this2.cycle(event);
+          });
+          if ('ontouchstart' in document.documentElement) {
+            // if it's a touch-enabled device, mouseenter/leave are fired as
+            // part of the mouse compatibility events on first tap - the carousel
+            // would stop cycling until user tapped out of it;
+            // here, we listen for touchend, explicitly pause the carousel
+            // (as if it's the second time we tap on it, mouseenter compat event
+            // is NOT fired) and after a timeout (to allow for mouse compatibility
+            // events to fire) we explicitly restart cycling
+            $(this._element).on(Event.TOUCHEND, function () {
+              _this2.pause();
+              if (_this2.touchTimeout) {
+                clearTimeout(_this2.touchTimeout);
+              }
+              _this2.touchTimeout = setTimeout(function (event) {
+                return _this2.cycle(event);
+              }, TOUCHEVENT_COMPAT_WAIT + _this2._config.interval);
+            });
+          }
+        }
       }
-
-      switch (event.which) {
-        case ARROW_LEFT_KEYCODE:
-          event.preventDefault();
-          this.prev();
-          break;
-        case ARROW_RIGHT_KEYCODE:
-          event.preventDefault();
-          this.next();
-          break;
-        default:
+    }, {
+      key: '_keydown',
+      value: function _keydown(event) {
+        if (/input|textarea/i.test(event.target.tagName)) {
           return;
+        }
+
+        switch (event.which) {
+          case ARROW_LEFT_KEYCODE:
+            event.preventDefault();
+            this.prev();
+            break;
+          case ARROW_RIGHT_KEYCODE:
+            event.preventDefault();
+            this.next();
+            break;
+          default:
+            return;
+        }
       }
-    };
-
-    Carousel.prototype._getItemIndex = function _getItemIndex(element) {
-      this._items = $.makeArray($(element).parent().find(Selector.ITEM));
-      return this._items.indexOf(element);
-    };
-
-    Carousel.prototype._getItemByDirection = function _getItemByDirection(direction, activeElement) {
-      var isNextDirection = direction === Direction.NEXT;
-      var isPrevDirection = direction === Direction.PREV;
-      var activeIndex = this._getItemIndex(activeElement);
-      var lastItemIndex = this._items.length - 1;
-      var isGoingToWrap = isPrevDirection && activeIndex === 0 || isNextDirection && activeIndex === lastItemIndex;
-
-      if (isGoingToWrap && !this._config.wrap) {
-        return activeElement;
+    }, {
+      key: '_getItemIndex',
+      value: function _getItemIndex(element) {
+        this._items = $.makeArray($(element).parent().find(Selector.ITEM));
+        return this._items.indexOf(element);
       }
+    }, {
+      key: '_getItemByDirection',
+      value: function _getItemByDirection(direction, activeElement) {
+        var isNextDirection = direction === Direction.NEXT;
+        var isPrevDirection = direction === Direction.PREV;
+        var activeIndex = this._getItemIndex(activeElement);
+        var lastItemIndex = this._items.length - 1;
+        var isGoingToWrap = isPrevDirection && activeIndex === 0 || isNextDirection && activeIndex === lastItemIndex;
+
+        if (isGoingToWrap && !this._config.wrap) {
+          return activeElement;
+        }
 
-      var delta = direction === Direction.PREV ? -1 : 1;
-      var itemIndex = (activeIndex + delta) % this._items.length;
-
-      return itemIndex === -1 ? this._items[this._items.length - 1] : this._items[itemIndex];
-    };
-
-    Carousel.prototype._triggerSlideEvent = function _triggerSlideEvent(relatedTarget, eventDirectionName) {
-      var targetIndex = this._getItemIndex(relatedTarget);
-      var fromIndex = this._getItemIndex($(this._element).find(Selector.ACTIVE_ITEM)[0]);
-      var slideEvent = $.Event(Event.SLIDE, {
-        relatedTarget: relatedTarget,
-        direction: eventDirectionName,
-        from: fromIndex,
-        to: targetIndex
-      });
+        var delta = direction === Direction.PREV ? -1 : 1;
+        var itemIndex = (activeIndex + delta) % this._items.length;
 
-      $(this._element).trigger(slideEvent);
+        return itemIndex === -1 ? this._items[this._items.length - 1] : this._items[itemIndex];
+      }
+    }, {
+      key: '_triggerSlideEvent',
+      value: function _triggerSlideEvent(relatedTarget, eventDirectionName) {
+        var targetIndex = this._getItemIndex(relatedTarget);
+        var fromIndex = this._getItemIndex($(this._element).find(Selector.ACTIVE_ITEM)[0]);
+        var slideEvent = $.Event(Event.SLIDE, {
+          relatedTarget: relatedTarget,
+          direction: eventDirectionName,
+          from: fromIndex,
+          to: targetIndex
+        });
 
-      return slideEvent;
-    };
+        $(this._element).trigger(slideEvent);
 
-    Carousel.prototype._setActiveIndicatorElement = function _setActiveIndicatorElement(element) {
-      if (this._indicatorsElement) {
-        $(this._indicatorsElement).find(Selector.ACTIVE).removeClass(ClassName.ACTIVE);
+        return slideEvent;
+      }
+    }, {
+      key: '_setActiveIndicatorElement',
+      value: function _setActiveIndicatorElement(element) {
+        if (this._indicatorsElement) {
+          $(this._indicatorsElement).find(Selector.ACTIVE).removeClass(ClassName.ACTIVE);
 
-        var nextIndicator = this._indicatorsElement.children[this._getItemIndex(element)];
+          var nextIndicator = this._indicatorsElement.children[this._getItemIndex(element)];
 
-        if (nextIndicator) {
-          $(nextIndicator).addClass(ClassName.ACTIVE);
+          if (nextIndicator) {
+            $(nextIndicator).addClass(ClassName.ACTIVE);
+          }
         }
       }
-    };
-
-    Carousel.prototype._slide = function _slide(direction, element) {
-      var _this3 = this;
-
-      var activeElement = $(this._element).find(Selector.ACTIVE_ITEM)[0];
-      var activeElementIndex = this._getItemIndex(activeElement);
-      var nextElement = element || activeElement && this._getItemByDirection(direction, activeElement);
-      var nextElementIndex = this._getItemIndex(nextElement);
-      var isCycling = Boolean(this._interval);
-
-      var directionalClassName = void 0;
-      var orderClassName = void 0;
-      var eventDirectionName = void 0;
-
-      if (direction === Direction.NEXT) {
-        directionalClassName = ClassName.LEFT;
-        orderClassName = ClassName.NEXT;
-        eventDirectionName = Direction.LEFT;
-      } else {
-        directionalClassName = ClassName.RIGHT;
-        orderClassName = ClassName.PREV;
-        eventDirectionName = Direction.RIGHT;
-      }
+    }, {
+      key: '_slide',
+      value: function _slide(direction, element) {
+        var _this3 = this;
+
+        var activeElement = $(this._element).find(Selector.ACTIVE_ITEM)[0];
+        var activeElementIndex = this._getItemIndex(activeElement);
+        var nextElement = element || activeElement && this._getItemByDirection(direction, activeElement);
+        var nextElementIndex = this._getItemIndex(nextElement);
+        var isCycling = Boolean(this._interval);
+
+        var directionalClassName = void 0;
+        var orderClassName = void 0;
+        var eventDirectionName = void 0;
+
+        if (direction === Direction.NEXT) {
+          directionalClassName = ClassName.LEFT;
+          orderClassName = ClassName.NEXT;
+          eventDirectionName = Direction.LEFT;
+        } else {
+          directionalClassName = ClassName.RIGHT;
+          orderClassName = ClassName.PREV;
+          eventDirectionName = Direction.RIGHT;
+        }
 
-      if (nextElement && $(nextElement).hasClass(ClassName.ACTIVE)) {
-        this._isSliding = false;
-        return;
-      }
+        if (nextElement && $(nextElement).hasClass(ClassName.ACTIVE)) {
+          this._isSliding = false;
+          return;
+        }
 
-      var slideEvent = this._triggerSlideEvent(nextElement, eventDirectionName);
-      if (slideEvent.isDefaultPrevented()) {
-        return;
-      }
+        var slideEvent = this._triggerSlideEvent(nextElement, eventDirectionName);
+        if (slideEvent.isDefaultPrevented()) {
+          return;
+        }
 
-      if (!activeElement || !nextElement) {
-        // some weirdness is happening, so we bail
-        return;
-      }
+        if (!activeElement || !nextElement) {
+          // some weirdness is happening, so we bail
+          return;
+        }
 
-      this._isSliding = true;
+        this._isSliding = true;
 
-      if (isCycling) {
-        this.pause();
-      }
+        if (isCycling) {
+          this.pause();
+        }
 
-      this._setActiveIndicatorElement(nextElement);
+        this._setActiveIndicatorElement(nextElement);
 
-      var slidEvent = $.Event(Event.SLID, {
-        relatedTarget: nextElement,
-        direction: eventDirectionName,
-        from: activeElementIndex,
-        to: nextElementIndex
-      });
+        var slidEvent = $.Event(Event.SLID, {
+          relatedTarget: nextElement,
+          direction: eventDirectionName,
+          from: activeElementIndex,
+          to: nextElementIndex
+        });
 
-      if (Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.SLIDE)) {
+        if (Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.SLIDE)) {
 
-        $(nextElement).addClass(orderClassName);
+          $(nextElement).addClass(orderClassName);
 
-        Util.reflow(nextElement);
+          Util.reflow(nextElement);
 
-        $(activeElement).addClass(directionalClassName);
-        $(nextElement).addClass(directionalClassName);
+          $(activeElement).addClass(directionalClassName);
+          $(nextElement).addClass(directionalClassName);
 
-        $(activeElement).one(Util.TRANSITION_END, function () {
-          $(nextElement).removeClass(directionalClassName + ' ' + orderClassName).addClass(ClassName.ACTIVE);
+          $(activeElement).one(Util.TRANSITION_END, function () {
+            $(nextElement).removeClass(directionalClassName + ' ' + orderClassName).addClass(ClassName.ACTIVE);
 
-          $(activeElement).removeClass(ClassName.ACTIVE + ' ' + orderClassName + ' ' + directionalClassName);
+            $(activeElement).removeClass(ClassName.ACTIVE + ' ' + orderClassName + ' ' + directionalClassName);
 
-          _this3._isSliding = false;
+            _this3._isSliding = false;
 
-          setTimeout(function () {
-            return $(_this3._element).trigger(slidEvent);
-          }, 0);
-        }).emulateTransitionEnd(TRANSITION_DURATION);
-      } else {
-        $(activeElement).removeClass(ClassName.ACTIVE);
-        $(nextElement).addClass(ClassName.ACTIVE);
+            setTimeout(function () {
+              return $(_this3._element).trigger(slidEvent);
+            }, 0);
+          }).emulateTransitionEnd(TRANSITION_DURATION);
+        } else {
+          $(activeElement).removeClass(ClassName.ACTIVE);
+          $(nextElement).addClass(ClassName.ACTIVE);
 
-        this._isSliding = false;
-        $(this._element).trigger(slidEvent);
-      }
+          this._isSliding = false;
+          $(this._element).trigger(slidEvent);
+        }
 
-      if (isCycling) {
-        this.cycle();
+        if (isCycling) {
+          this.cycle();
+        }
       }
-    };
-
-    // static
 
-    Carousel._jQueryInterface = function _jQueryInterface(config) {
-      return this.each(function () {
-        var data = $(this).data(DATA_KEY);
-        var _config = $.extend({}, Default, $(this).data());
+      // static
 
-        if ((typeof config === 'undefined' ? 'undefined' : _typeof(config)) === 'object') {
-          $.extend(_config, config);
-        }
+    }], [{
+      key: '_jQueryInterface',
+      value: function _jQueryInterface(config) {
+        return this.each(function () {
+          var data = $(this).data(DATA_KEY);
+          var _config = $.extend({}, Default, $(this).data());
 
-        var action = typeof config === 'string' ? config : _config.slide;
+          if ((typeof config === 'undefined' ? 'undefined' : _typeof(config)) === 'object') {
+            $.extend(_config, config);
+          }
 
-        if (!data) {
-          data = new Carousel(this, _config);
-          $(this).data(DATA_KEY, data);
-        }
+          var action = typeof config === 'string' ? config : _config.slide;
 
-        if (typeof config === 'number') {
-          data.to(config);
-        } else if (typeof action === 'string') {
-          if (data[action] === undefined) {
-            throw new Error('No method named "' + action + '"');
+          if (!data) {
+            data = new Carousel(this, _config);
+            $(this).data(DATA_KEY, data);
           }
-          data[action]();
-        } else if (_config.interval) {
-          data.pause();
-          data.cycle();
-        }
-      });
-    };
 
-    Carousel._dataApiClickHandler = function _dataApiClickHandler(event) {
-      var selector = Util.getSelectorFromElement(this);
-
-      if (!selector) {
-        return;
+          if (typeof config === 'number') {
+            data.to(config);
+          } else if (typeof action === 'string') {
+            if (typeof data[action] === 'undefined') {
+              throw new Error('No method named "' + action + '"');
+            }
+            data[action]();
+          } else if (_config.interval) {
+            data.pause();
+            data.cycle();
+          }
+        });
       }
+    }, {
+      key: '_dataApiClickHandler',
+      value: function _dataApiClickHandler(event) {
+        var selector = Util.getSelectorFromElement(this);
 
-      var target = $(selector)[0];
+        if (!selector) {
+          return;
+        }
 
-      if (!target || !$(target).hasClass(ClassName.CAROUSEL)) {
-        return;
-      }
+        var target = $(selector)[0];
 
-      var config = $.extend({}, $(target).data(), $(this).data());
-      var slideIndex = this.getAttribute('data-slide-to');
+        if (!target || !$(target).hasClass(ClassName.CAROUSEL)) {
+          return;
+        }
 
-      if (slideIndex) {
-        config.interval = false;
-      }
+        var config = $.extend({}, $(target).data(), $(this).data());
+        var slideIndex = this.getAttribute('data-slide-to');
 
-      Carousel._jQueryInterface.call($(target), config);
+        if (slideIndex) {
+          config.interval = false;
+        }
 
-      if (slideIndex) {
-        $(target).data(DATA_KEY).to(slideIndex);
-      }
+        Carousel._jQueryInterface.call($(target), config);
 
-      event.preventDefault();
-    };
+        if (slideIndex) {
+          $(target).data(DATA_KEY).to(slideIndex);
+        }
 
-    _createClass(Carousel, null, [{
+        event.preventDefault();
+      }
+    }, {
       key: 'VERSION',
       get: function get() {
         return VERSION;
diff --git a/js/dist/carousel.js.map b/js/dist/carousel.js.map
index f1503da6f1..239546f741 100644
--- a/js/dist/carousel.js.map
+++ b/js/dist/carousel.js.map
@@ -1 +1 @@
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Util from './util'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-beta): carousel.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Carousel = (($) => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                   = 'carousel'\n  const VERSION                = '4.0.0-beta'\n  const DATA_KEY               = 'bs.carousel'\n  const EVENT_KEY              = `.${DATA_KEY}`\n  const DATA_API_KEY           = '.data-api'\n  const JQUERY_NO_CONFLICT     = $.fn[NAME]\n  const TRANSITION_DURATION    = 600\n  const ARROW_LEFT_KEYCODE     = 37 // KeyboardEvent.which value for left arrow key\n  const ARROW_RIGHT_KEYCODE    = 39 // KeyboardEvent.which value for right arrow key\n  const TOUCHEVENT_COMPAT_WAIT = 500 // Time for mouse compat events to fire after touch\n\n  const Default = {\n    interval : 5000,\n    keyboard : true,\n    slide    : false,\n    pause    : 'hover',\n    wrap     : true\n  }\n\n  const DefaultType = {\n    interval : '(number|boolean)',\n    keyboard : 'boolean',\n    slide    : '(boolean|string)',\n    pause    : '(string|boolean)',\n    wrap     : 'boolean'\n  }\n\n  const Direction = {\n    NEXT     : 'next',\n    PREV     : 'prev',\n    LEFT     : 'left',\n    RIGHT    : 'right'\n  }\n\n  const Event = {\n    SLIDE          : `slide${EVENT_KEY}`,\n    SLID           : `slid${EVENT_KEY}`,\n    KEYDOWN        : `keydown${EVENT_KEY}`,\n    MOUSEENTER     : `mouseenter${EVENT_KEY}`,\n    MOUSELEAVE     : `mouseleave${EVENT_KEY}`,\n    TOUCHEND       : `touchend${EVENT_KEY}`,\n    LOAD_DATA_API  : `load${EVENT_KEY}${DATA_API_KEY}`,\n    CLICK_DATA_API : `click${EVENT_KEY}${DATA_API_KEY}`\n  }\n\n  const ClassName = {\n    CAROUSEL : 'carousel',\n    ACTIVE   : 'active',\n    SLIDE    : 'slide',\n    RIGHT    : 'carousel-item-right',\n    LEFT     : 'carousel-item-left',\n    NEXT     : 'carousel-item-next',\n    PREV     : 'carousel-item-prev',\n    ITEM     : 'carousel-item'\n  }\n\n  const Selector = {\n    ACTIVE      : '.active',\n    ACTIVE_ITEM : '.active.carousel-item',\n    ITEM        : '.carousel-item',\n    NEXT_PREV   : '.carousel-item-next, .carousel-item-prev',\n    INDICATORS  : '.carousel-indicators',\n    DATA_SLIDE  : '[data-slide], [data-slide-to]',\n    DATA_RIDE   : '[data-ride=\"carousel\"]'\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Carousel {\n\n    constructor(element, config) {\n      this._items             = null\n      this._interval          = null\n      this._activeElement     = null\n\n      this._isPaused          = false\n      this._isSliding         = false\n\n      this.touchTimeout       = null\n\n      this._config            = this._getConfig(config)\n      this._element           = $(element)[0]\n      this._indicatorsElement = $(this._element).find(Selector.INDICATORS)[0]\n\n      this._addEventListeners()\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n    static get Default() {\n      return Default\n    }\n\n\n    // public\n\n    next() {\n      if (!this._isSliding) {\n        this._slide(Direction.NEXT)\n      }\n    }\n\n    nextWhenVisible() {\n      // Don't call next when the page isn't visible\n      // or the carousel or its parent isn't visible\n      if (!document.hidden &&\n        ($(this._element).is(':visible') && $(this._element).css('visibility') !== 'hidden')) {\n        this.next()\n      }\n    }\n\n    prev() {\n      if (!this._isSliding) {\n        this._slide(Direction.PREV)\n      }\n    }\n\n    pause(event) {\n      if (!event) {\n        this._isPaused = true\n      }\n\n      if ($(this._element).find(Selector.NEXT_PREV)[0] &&\n        Util.supportsTransitionEnd()) {\n        Util.triggerTransitionEnd(this._element)\n        this.cycle(true)\n      }\n\n      clearInterval(this._interval)\n      this._interval = null\n    }\n\n    cycle(event) {\n      if (!event) {\n        this._isPaused = false\n      }\n\n      if (this._interval) {\n        clearInterval(this._interval)\n        this._interval = null\n      }\n\n      if (this._config.interval && !this._isPaused) {\n        this._interval = setInterval(\n          (document.visibilityState ? this.nextWhenVisible : this.next).bind(this),\n          this._config.interval\n        )\n      }\n    }\n\n    to(index) {\n      this._activeElement = $(this._element).find(Selector.ACTIVE_ITEM)[0]\n\n      const activeIndex = this._getItemIndex(this._activeElement)\n\n      if (index > this._items.length - 1 || index < 0) {\n        return\n      }\n\n      if (this._isSliding) {\n        $(this._element).one(Event.SLID, () => this.to(index))\n        return\n      }\n\n      if (activeIndex === index) {\n        this.pause()\n        this.cycle()\n        return\n      }\n\n      const direction = index > activeIndex ?\n        Direction.NEXT :\n        Direction.PREV\n\n      this._slide(direction, this._items[index])\n    }\n\n    dispose() {\n      $(this._element).off(EVENT_KEY)\n      $.removeData(this._element, DATA_KEY)\n\n      this._items             = null\n      this._config            = null\n      this._element           = null\n      this._interval          = null\n      this._isPaused          = null\n      this._isSliding         = null\n      this._activeElement     = null\n      this._indicatorsElement = null\n    }\n\n\n    // private\n\n    _getConfig(config) {\n      config = $.extend({}, Default, config)\n      Util.typeCheckConfig(NAME, config, DefaultType)\n      return config\n    }\n\n    _addEventListeners() {\n      if (this._config.keyboard) {\n        $(this._element)\n          .on(Event.KEYDOWN, (event) => this._keydown(event))\n      }\n\n      if (this._config.pause === 'hover') {\n        $(this._element)\n          .on(Event.MOUSEENTER, (event) => this.pause(event))\n          .on(Event.MOUSELEAVE, (event) => this.cycle(event))\n        if ('ontouchstart' in document.documentElement) {\n          // if it's a touch-enabled device, mouseenter/leave are fired as\n          // part of the mouse compatibility events on first tap - the carousel\n          // would stop cycling until user tapped out of it;\n          // here, we listen for touchend, explicitly pause the carousel\n          // (as if it's the second time we tap on it, mouseenter compat event\n          // is NOT fired) and after a timeout (to allow for mouse compatibility\n          // events to fire) we explicitly restart cycling\n          $(this._element).on(Event.TOUCHEND, () => {\n            this.pause()\n            if (this.touchTimeout) {\n              clearTimeout(this.touchTimeout)\n            }\n            this.touchTimeout = setTimeout((event) => this.cycle(event), TOUCHEVENT_COMPAT_WAIT + this._config.interval)\n          })\n        }\n      }\n    }\n\n    _keydown(event) {\n      if (/input|textarea/i.test(event.target.tagName)) {\n        return\n      }\n\n      switch (event.which) {\n        case ARROW_LEFT_KEYCODE:\n          event.preventDefault()\n          this.prev()\n          break\n        case ARROW_RIGHT_KEYCODE:\n          event.preventDefault()\n          this.next()\n          break\n        default:\n          return\n      }\n    }\n\n    _getItemIndex(element) {\n      this._items = $.makeArray($(element).parent().find(Selector.ITEM))\n      return this._items.indexOf(element)\n    }\n\n    _getItemByDirection(direction, activeElement) {\n      const isNextDirection = direction === Direction.NEXT\n      const isPrevDirection = direction === Direction.PREV\n      const activeIndex     = this._getItemIndex(activeElement)\n      const lastItemIndex   = this._items.length - 1\n      const isGoingToWrap   = isPrevDirection && activeIndex === 0 ||\n                              isNextDirection && activeIndex === lastItemIndex\n\n      if (isGoingToWrap && !this._config.wrap) {\n        return activeElement\n      }\n\n      const delta     = direction === Direction.PREV ? -1 : 1\n      const itemIndex = (activeIndex + delta) % this._items.length\n\n      return itemIndex === -1 ?\n        this._items[this._items.length - 1] : this._items[itemIndex]\n    }\n\n\n    _triggerSlideEvent(relatedTarget, eventDirectionName) {\n      const targetIndex = this._getItemIndex(relatedTarget)\n      const fromIndex = this._getItemIndex($(this._element).find(Selector.ACTIVE_ITEM)[0])\n      const slideEvent = $.Event(Event.SLIDE, {\n        relatedTarget,\n        direction: eventDirectionName,\n        from: fromIndex,\n        to: targetIndex\n      })\n\n      $(this._element).trigger(slideEvent)\n\n      return slideEvent\n    }\n\n    _setActiveIndicatorElement(element) {\n      if (this._indicatorsElement) {\n        $(this._indicatorsElement)\n          .find(Selector.ACTIVE)\n          .removeClass(ClassName.ACTIVE)\n\n        const nextIndicator = this._indicatorsElement.children[\n          this._getItemIndex(element)\n        ]\n\n        if (nextIndicator) {\n          $(nextIndicator).addClass(ClassName.ACTIVE)\n        }\n      }\n    }\n\n    _slide(direction, element) {\n      const activeElement = $(this._element).find(Selector.ACTIVE_ITEM)[0]\n      const activeElementIndex = this._getItemIndex(activeElement)\n      const nextElement   = element || activeElement &&\n        this._getItemByDirection(direction, activeElement)\n      const nextElementIndex = this._getItemIndex(nextElement)\n      const isCycling = Boolean(this._interval)\n\n      let directionalClassName\n      let orderClassName\n      let eventDirectionName\n\n      if (direction === Direction.NEXT) {\n        directionalClassName = ClassName.LEFT\n        orderClassName = ClassName.NEXT\n        eventDirectionName = Direction.LEFT\n      } else {\n        directionalClassName = ClassName.RIGHT\n        orderClassName = ClassName.PREV\n        eventDirectionName = Direction.RIGHT\n      }\n\n      if (nextElement && $(nextElement).hasClass(ClassName.ACTIVE)) {\n        this._isSliding = false\n        return\n      }\n\n      const slideEvent = this._triggerSlideEvent(nextElement, eventDirectionName)\n      if (slideEvent.isDefaultPrevented()) {\n        return\n      }\n\n      if (!activeElement || !nextElement) {\n        // some weirdness is happening, so we bail\n        return\n      }\n\n      this._isSliding = true\n\n      if (isCycling) {\n        this.pause()\n      }\n\n      this._setActiveIndicatorElement(nextElement)\n\n      const slidEvent = $.Event(Event.SLID, {\n        relatedTarget: nextElement,\n        direction: eventDirectionName,\n        from: activeElementIndex,\n        to: nextElementIndex\n      })\n\n      if (Util.supportsTransitionEnd() &&\n        $(this._element).hasClass(ClassName.SLIDE)) {\n\n        $(nextElement).addClass(orderClassName)\n\n        Util.reflow(nextElement)\n\n        $(activeElement).addClass(directionalClassName)\n        $(nextElement).addClass(directionalClassName)\n\n        $(activeElement)\n          .one(Util.TRANSITION_END, () => {\n            $(nextElement)\n              .removeClass(`${directionalClassName} ${orderClassName}`)\n              .addClass(ClassName.ACTIVE)\n\n            $(activeElement).removeClass(`${ClassName.ACTIVE} ${orderClassName} ${directionalClassName}`)\n\n            this._isSliding = false\n\n            setTimeout(() => $(this._element).trigger(slidEvent), 0)\n\n          })\n          .emulateTransitionEnd(TRANSITION_DURATION)\n\n      } else {\n        $(activeElement).removeClass(ClassName.ACTIVE)\n        $(nextElement).addClass(ClassName.ACTIVE)\n\n        this._isSliding = false\n        $(this._element).trigger(slidEvent)\n      }\n\n      if (isCycling) {\n        this.cycle()\n      }\n    }\n\n\n    // static\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        let data      = $(this).data(DATA_KEY)\n        const _config = $.extend({}, Default, $(this).data())\n\n        if (typeof config === 'object') {\n          $.extend(_config, config)\n        }\n\n        const action = typeof config === 'string' ? config : _config.slide\n\n        if (!data) {\n          data = new Carousel(this, _config)\n          $(this).data(DATA_KEY, data)\n        }\n\n        if (typeof config === 'number') {\n          data.to(config)\n        } else if (typeof action === 'string') {\n          if (data[action] === undefined) {\n            throw new Error(`No method named \"${action}\"`)\n          }\n          data[action]()\n        } else if (_config.interval) {\n          data.pause()\n          data.cycle()\n        }\n      })\n    }\n\n    static _dataApiClickHandler(event) {\n      const selector = Util.getSelectorFromElement(this)\n\n      if (!selector) {\n        return\n      }\n\n      const target = $(selector)[0]\n\n      if (!target || !$(target).hasClass(ClassName.CAROUSEL)) {\n        return\n      }\n\n      const config     = $.extend({}, $(target).data(), $(this).data())\n      const slideIndex = this.getAttribute('data-slide-to')\n\n      if (slideIndex) {\n        config.interval = false\n      }\n\n      Carousel._jQueryInterface.call($(target), config)\n\n      if (slideIndex) {\n        $(target).data(DATA_KEY).to(slideIndex)\n      }\n\n      event.preventDefault()\n    }\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Data Api implementation\n   * ------------------------------------------------------------------------\n   */\n\n  $(document)\n    .on(Event.CLICK_DATA_API, Selector.DATA_SLIDE, Carousel._dataApiClickHandler)\n\n  $(window).on(Event.LOAD_DATA_API, () => {\n    $(Selector.DATA_RIDE).each(function () {\n      const $carousel = $(this)\n      Carousel._jQueryInterface.call($carousel, $carousel.data())\n    })\n  })\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = Carousel._jQueryInterface\n  $.fn[NAME].Constructor = Carousel\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return Carousel._jQueryInterface\n  }\n\n  return Carousel\n\n})(jQuery)\n\nexport default Carousel\n"]}
\ No newline at end of file
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$ from 'jquery'\nimport Util from './util'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-beta): carousel.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Carousel = (() => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                   = 'carousel'\n  const VERSION                = '4.0.0-beta'\n  const DATA_KEY               = 'bs.carousel'\n  const EVENT_KEY              = `.${DATA_KEY}`\n  const DATA_API_KEY           = '.data-api'\n  const JQUERY_NO_CONFLICT     = $.fn[NAME]\n  const TRANSITION_DURATION    = 600\n  const ARROW_LEFT_KEYCODE     = 37 // KeyboardEvent.which value for left arrow key\n  const ARROW_RIGHT_KEYCODE    = 39 // KeyboardEvent.which value for right arrow key\n  const TOUCHEVENT_COMPAT_WAIT = 500 // Time for mouse compat events to fire after touch\n\n  const Default = {\n    interval : 5000,\n    keyboard : true,\n    slide    : false,\n    pause    : 'hover',\n    wrap     : true\n  }\n\n  const DefaultType = {\n    interval : '(number|boolean)',\n    keyboard : 'boolean',\n    slide    : '(boolean|string)',\n    pause    : '(string|boolean)',\n    wrap     : 'boolean'\n  }\n\n  const Direction = {\n    NEXT     : 'next',\n    PREV     : 'prev',\n    LEFT     : 'left',\n    RIGHT    : 'right'\n  }\n\n  const Event = {\n    SLIDE          : `slide${EVENT_KEY}`,\n    SLID           : `slid${EVENT_KEY}`,\n    KEYDOWN        : `keydown${EVENT_KEY}`,\n    MOUSEENTER     : `mouseenter${EVENT_KEY}`,\n    MOUSELEAVE     : `mouseleave${EVENT_KEY}`,\n    TOUCHEND       : `touchend${EVENT_KEY}`,\n    LOAD_DATA_API  : `load${EVENT_KEY}${DATA_API_KEY}`,\n    CLICK_DATA_API : `click${EVENT_KEY}${DATA_API_KEY}`\n  }\n\n  const ClassName = {\n    CAROUSEL : 'carousel',\n    ACTIVE   : 'active',\n    SLIDE    : 'slide',\n    RIGHT    : 'carousel-item-right',\n    LEFT     : 'carousel-item-left',\n    NEXT     : 'carousel-item-next',\n    PREV     : 'carousel-item-prev',\n    ITEM     : 'carousel-item'\n  }\n\n  const Selector = {\n    ACTIVE      : '.active',\n    ACTIVE_ITEM : '.active.carousel-item',\n    ITEM        : '.carousel-item',\n    NEXT_PREV   : '.carousel-item-next, .carousel-item-prev',\n    INDICATORS  : '.carousel-indicators',\n    DATA_SLIDE  : '[data-slide], [data-slide-to]',\n    DATA_RIDE   : '[data-ride=\"carousel\"]'\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Carousel {\n\n    constructor(element, config) {\n      this._items             = null\n      this._interval          = null\n      this._activeElement     = null\n\n      this._isPaused          = false\n      this._isSliding         = false\n\n      this.touchTimeout       = null\n\n      this._config            = this._getConfig(config)\n      this._element           = $(element)[0]\n      this._indicatorsElement = $(this._element).find(Selector.INDICATORS)[0]\n\n      this._addEventListeners()\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n    static get Default() {\n      return Default\n    }\n\n\n    // public\n\n    next() {\n      if (!this._isSliding) {\n        this._slide(Direction.NEXT)\n      }\n    }\n\n    nextWhenVisible() {\n      // Don't call next when the page isn't visible\n      // or the carousel or its parent isn't visible\n      if (!document.hidden &&\n        ($(this._element).is(':visible') && $(this._element).css('visibility') !== 'hidden')) {\n        this.next()\n      }\n    }\n\n    prev() {\n      if (!this._isSliding) {\n        this._slide(Direction.PREV)\n      }\n    }\n\n    pause(event) {\n      if (!event) {\n        this._isPaused = true\n      }\n\n      if ($(this._element).find(Selector.NEXT_PREV)[0] &&\n        Util.supportsTransitionEnd()) {\n        Util.triggerTransitionEnd(this._element)\n        this.cycle(true)\n      }\n\n      clearInterval(this._interval)\n      this._interval = null\n    }\n\n    cycle(event) {\n      if (!event) {\n        this._isPaused = false\n      }\n\n      if (this._interval) {\n        clearInterval(this._interval)\n        this._interval = null\n      }\n\n      if (this._config.interval && !this._isPaused) {\n        this._interval = setInterval(\n          (document.visibilityState ? this.nextWhenVisible : this.next).bind(this),\n          this._config.interval\n        )\n      }\n    }\n\n    to(index) {\n      this._activeElement = $(this._element).find(Selector.ACTIVE_ITEM)[0]\n\n      const activeIndex = this._getItemIndex(this._activeElement)\n\n      if (index > this._items.length - 1 || index < 0) {\n        return\n      }\n\n      if (this._isSliding) {\n        $(this._element).one(Event.SLID, () => this.to(index))\n        return\n      }\n\n      if (activeIndex === index) {\n        this.pause()\n        this.cycle()\n        return\n      }\n\n      const direction = index > activeIndex ?\n        Direction.NEXT :\n        Direction.PREV\n\n      this._slide(direction, this._items[index])\n    }\n\n    dispose() {\n      $(this._element).off(EVENT_KEY)\n      $.removeData(this._element, DATA_KEY)\n\n      this._items             = null\n      this._config            = null\n      this._element           = null\n      this._interval          = null\n      this._isPaused          = null\n      this._isSliding         = null\n      this._activeElement     = null\n      this._indicatorsElement = null\n    }\n\n\n    // private\n\n    _getConfig(config) {\n      config = $.extend({}, Default, config)\n      Util.typeCheckConfig(NAME, config, DefaultType)\n      return config\n    }\n\n    _addEventListeners() {\n      if (this._config.keyboard) {\n        $(this._element)\n          .on(Event.KEYDOWN, (event) => this._keydown(event))\n      }\n\n      if (this._config.pause === 'hover') {\n        $(this._element)\n          .on(Event.MOUSEENTER, (event) => this.pause(event))\n          .on(Event.MOUSELEAVE, (event) => this.cycle(event))\n        if ('ontouchstart' in document.documentElement) {\n          // if it's a touch-enabled device, mouseenter/leave are fired as\n          // part of the mouse compatibility events on first tap - the carousel\n          // would stop cycling until user tapped out of it;\n          // here, we listen for touchend, explicitly pause the carousel\n          // (as if it's the second time we tap on it, mouseenter compat event\n          // is NOT fired) and after a timeout (to allow for mouse compatibility\n          // events to fire) we explicitly restart cycling\n          $(this._element).on(Event.TOUCHEND, () => {\n            this.pause()\n            if (this.touchTimeout) {\n              clearTimeout(this.touchTimeout)\n            }\n            this.touchTimeout = setTimeout((event) => this.cycle(event), TOUCHEVENT_COMPAT_WAIT + this._config.interval)\n          })\n        }\n      }\n    }\n\n    _keydown(event) {\n      if (/input|textarea/i.test(event.target.tagName)) {\n        return\n      }\n\n      switch (event.which) {\n        case ARROW_LEFT_KEYCODE:\n          event.preventDefault()\n          this.prev()\n          break\n        case ARROW_RIGHT_KEYCODE:\n          event.preventDefault()\n          this.next()\n          break\n        default:\n          return\n      }\n    }\n\n    _getItemIndex(element) {\n      this._items = $.makeArray($(element).parent().find(Selector.ITEM))\n      return this._items.indexOf(element)\n    }\n\n    _getItemByDirection(direction, activeElement) {\n      const isNextDirection = direction === Direction.NEXT\n      const isPrevDirection = direction === Direction.PREV\n      const activeIndex     = this._getItemIndex(activeElement)\n      const lastItemIndex   = this._items.length - 1\n      const isGoingToWrap   = isPrevDirection && activeIndex === 0 ||\n                              isNextDirection && activeIndex === lastItemIndex\n\n      if (isGoingToWrap && !this._config.wrap) {\n        return activeElement\n      }\n\n      const delta     = direction === Direction.PREV ? -1 : 1\n      const itemIndex = (activeIndex + delta) % this._items.length\n\n      return itemIndex === -1 ?\n        this._items[this._items.length - 1] : this._items[itemIndex]\n    }\n\n\n    _triggerSlideEvent(relatedTarget, eventDirectionName) {\n      const targetIndex = this._getItemIndex(relatedTarget)\n      const fromIndex = this._getItemIndex($(this._element).find(Selector.ACTIVE_ITEM)[0])\n      const slideEvent = $.Event(Event.SLIDE, {\n        relatedTarget,\n        direction: eventDirectionName,\n        from: fromIndex,\n        to: targetIndex\n      })\n\n      $(this._element).trigger(slideEvent)\n\n      return slideEvent\n    }\n\n    _setActiveIndicatorElement(element) {\n      if (this._indicatorsElement) {\n        $(this._indicatorsElement)\n          .find(Selector.ACTIVE)\n          .removeClass(ClassName.ACTIVE)\n\n        const nextIndicator = this._indicatorsElement.children[\n          this._getItemIndex(element)\n        ]\n\n        if (nextIndicator) {\n          $(nextIndicator).addClass(ClassName.ACTIVE)\n        }\n      }\n    }\n\n    _slide(direction, element) {\n      const activeElement = $(this._element).find(Selector.ACTIVE_ITEM)[0]\n      const activeElementIndex = this._getItemIndex(activeElement)\n      const nextElement   = element || activeElement &&\n        this._getItemByDirection(direction, activeElement)\n      const nextElementIndex = this._getItemIndex(nextElement)\n      const isCycling = Boolean(this._interval)\n\n      let directionalClassName\n      let orderClassName\n      let eventDirectionName\n\n      if (direction === Direction.NEXT) {\n        directionalClassName = ClassName.LEFT\n        orderClassName = ClassName.NEXT\n        eventDirectionName = Direction.LEFT\n      } else {\n        directionalClassName = ClassName.RIGHT\n        orderClassName = ClassName.PREV\n        eventDirectionName = Direction.RIGHT\n      }\n\n      if (nextElement && $(nextElement).hasClass(ClassName.ACTIVE)) {\n        this._isSliding = false\n        return\n      }\n\n      const slideEvent = this._triggerSlideEvent(nextElement, eventDirectionName)\n      if (slideEvent.isDefaultPrevented()) {\n        return\n      }\n\n      if (!activeElement || !nextElement) {\n        // some weirdness is happening, so we bail\n        return\n      }\n\n      this._isSliding = true\n\n      if (isCycling) {\n        this.pause()\n      }\n\n      this._setActiveIndicatorElement(nextElement)\n\n      const slidEvent = $.Event(Event.SLID, {\n        relatedTarget: nextElement,\n        direction: eventDirectionName,\n        from: activeElementIndex,\n        to: nextElementIndex\n      })\n\n      if (Util.supportsTransitionEnd() &&\n        $(this._element).hasClass(ClassName.SLIDE)) {\n\n        $(nextElement).addClass(orderClassName)\n\n        Util.reflow(nextElement)\n\n        $(activeElement).addClass(directionalClassName)\n        $(nextElement).addClass(directionalClassName)\n\n        $(activeElement)\n          .one(Util.TRANSITION_END, () => {\n            $(nextElement)\n              .removeClass(`${directionalClassName} ${orderClassName}`)\n              .addClass(ClassName.ACTIVE)\n\n            $(activeElement).removeClass(`${ClassName.ACTIVE} ${orderClassName} ${directionalClassName}`)\n\n            this._isSliding = false\n\n            setTimeout(() => $(this._element).trigger(slidEvent), 0)\n\n          })\n          .emulateTransitionEnd(TRANSITION_DURATION)\n\n      } else {\n        $(activeElement).removeClass(ClassName.ACTIVE)\n        $(nextElement).addClass(ClassName.ACTIVE)\n\n        this._isSliding = false\n        $(this._element).trigger(slidEvent)\n      }\n\n      if (isCycling) {\n        this.cycle()\n      }\n    }\n\n\n    // static\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        let data      = $(this).data(DATA_KEY)\n        const _config = $.extend({}, Default, $(this).data())\n\n        if (typeof config === 'object') {\n          $.extend(_config, config)\n        }\n\n        const action = typeof config === 'string' ? config : _config.slide\n\n        if (!data) {\n          data = new Carousel(this, _config)\n          $(this).data(DATA_KEY, data)\n        }\n\n        if (typeof config === 'number') {\n          data.to(config)\n        } else if (typeof action === 'string') {\n          if (typeof data[action] === 'undefined') {\n            throw new Error(`No method named \"${action}\"`)\n          }\n          data[action]()\n        } else if (_config.interval) {\n          data.pause()\n          data.cycle()\n        }\n      })\n    }\n\n    static _dataApiClickHandler(event) {\n      const selector = Util.getSelectorFromElement(this)\n\n      if (!selector) {\n        return\n      }\n\n      const target = $(selector)[0]\n\n      if (!target || !$(target).hasClass(ClassName.CAROUSEL)) {\n        return\n      }\n\n      const config     = $.extend({}, $(target).data(), $(this).data())\n      const slideIndex = this.getAttribute('data-slide-to')\n\n      if (slideIndex) {\n        config.interval = false\n      }\n\n      Carousel._jQueryInterface.call($(target), config)\n\n      if (slideIndex) {\n        $(target).data(DATA_KEY).to(slideIndex)\n      }\n\n      event.preventDefault()\n    }\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Data Api implementation\n   * ------------------------------------------------------------------------\n   */\n\n  $(document)\n    .on(Event.CLICK_DATA_API, Selector.DATA_SLIDE, Carousel._dataApiClickHandler)\n\n  $(window).on(Event.LOAD_DATA_API, () => {\n    $(Selector.DATA_RIDE).each(function () {\n      const $carousel = $(this)\n      Carousel._jQueryInterface.call($carousel, $carousel.data())\n    })\n  })\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = Carousel._jQueryInterface\n  $.fn[NAME].Constructor = Carousel\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return Carousel._jQueryInterface\n  }\n\n  return Carousel\n\n})(jQuery)\n\nexport default Carousel\n"]}
\ No newline at end of file
diff --git a/js/dist/collapse.js b/js/dist/collapse.js
index 50320dbdb0..532e46f46b 100644
--- a/js/dist/collapse.js
+++ b/js/dist/collapse.js
@@ -1,3 +1,5 @@
+'use strict';
+
 var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
 
 var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
@@ -11,7 +13,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
  * --------------------------------------------------------------------------
  */
 
-var Collapse = function ($) {
+var Collapse = function () {
 
   /**
    * ------------------------------------------------------------------------
@@ -98,222 +100,237 @@ var Collapse = function ($) {
 
     // getters
 
-    // public
-
-    Collapse.prototype.toggle = function toggle() {
-      if ($(this._element).hasClass(ClassName.SHOW)) {
-        this.hide();
-      } else {
-        this.show();
-      }
-    };
+    _createClass(Collapse, [{
+      key: 'toggle',
 
-    Collapse.prototype.show = function show() {
-      var _this = this;
-
-      if (this._isTransitioning || $(this._element).hasClass(ClassName.SHOW)) {
-        return;
-      }
 
-      var actives = void 0;
-      var activesData = void 0;
+      // public
 
-      if (this._parent) {
-        actives = $.makeArray($(this._parent).children().children(Selector.ACTIVES));
-        if (!actives.length) {
-          actives = null;
+      value: function toggle() {
+        if ($(this._element).hasClass(ClassName.SHOW)) {
+          this.hide();
+        } else {
+          this.show();
         }
       }
+    }, {
+      key: 'show',
+      value: function show() {
+        var _this = this;
 
-      if (actives) {
-        activesData = $(actives).data(DATA_KEY);
-        if (activesData && activesData._isTransitioning) {
+        if (this._isTransitioning || $(this._element).hasClass(ClassName.SHOW)) {
           return;
         }
-      }
 
-      var startEvent = $.Event(Event.SHOW);
-      $(this._element).trigger(startEvent);
-      if (startEvent.isDefaultPrevented()) {
-        return;
-      }
+        var actives = void 0;
+        var activesData = void 0;
 
-      if (actives) {
-        Collapse._jQueryInterface.call($(actives), 'hide');
-        if (!activesData) {
-          $(actives).data(DATA_KEY, null);
+        if (this._parent) {
+          actives = $.makeArray($(this._parent).children().children(Selector.ACTIVES));
+          if (!actives.length) {
+            actives = null;
+          }
         }
-      }
 
-      var dimension = this._getDimension();
+        if (actives) {
+          activesData = $(actives).data(DATA_KEY);
+          if (activesData && activesData._isTransitioning) {
+            return;
+          }
+        }
 
-      $(this._element).removeClass(ClassName.COLLAPSE).addClass(ClassName.COLLAPSING);
+        var startEvent = $.Event(Event.SHOW);
+        $(this._element).trigger(startEvent);
+        if (startEvent.isDefaultPrevented()) {
+          return;
+        }
 
-      this._element.style[dimension] = 0;
+        if (actives) {
+          Collapse._jQueryInterface.call($(actives), 'hide');
+          if (!activesData) {
+            $(actives).data(DATA_KEY, null);
+          }
+        }
 
-      if (this._triggerArray.length) {
-        $(this._triggerArray).removeClass(ClassName.COLLAPSED).attr('aria-expanded', true);
-      }
+        var dimension = this._getDimension();
 
-      this.setTransitioning(true);
+        $(this._element).removeClass(ClassName.COLLAPSE).addClass(ClassName.COLLAPSING);
 
-      var complete = function complete() {
-        $(_this._element).removeClass(ClassName.COLLAPSING).addClass(ClassName.COLLAPSE).addClass(ClassName.SHOW);
+        this._element.style[dimension] = 0;
 
-        _this._element.style[dimension] = '';
+        if (this._triggerArray.length) {
+          $(this._triggerArray).removeClass(ClassName.COLLAPSED).attr('aria-expanded', true);
+        }
 
-        _this.setTransitioning(false);
+        this.setTransitioning(true);
 
-        $(_this._element).trigger(Event.SHOWN);
-      };
+        var complete = function complete() {
+          $(_this._element).removeClass(ClassName.COLLAPSING).addClass(ClassName.COLLAPSE).addClass(ClassName.SHOW);
 
-      if (!Util.supportsTransitionEnd()) {
-        complete();
-        return;
-      }
+          _this._element.style[dimension] = '';
 
-      var capitalizedDimension = dimension[0].toUpperCase() + dimension.slice(1);
-      var scrollSize = 'scroll' + capitalizedDimension;
+          _this.setTransitioning(false);
 
-      $(this._element).one(Util.TRANSITION_END, complete).emulateTransitionEnd(TRANSITION_DURATION);
+          $(_this._element).trigger(Event.SHOWN);
+        };
 
-      this._element.style[dimension] = this._element[scrollSize] + 'px';
-    };
+        if (!Util.supportsTransitionEnd()) {
+          complete();
+          return;
+        }
 
-    Collapse.prototype.hide = function hide() {
-      var _this2 = this;
+        var capitalizedDimension = dimension[0].toUpperCase() + dimension.slice(1);
+        var scrollSize = 'scroll' + capitalizedDimension;
 
-      if (this._isTransitioning || !$(this._element).hasClass(ClassName.SHOW)) {
-        return;
-      }
+        $(this._element).one(Util.TRANSITION_END, complete).emulateTransitionEnd(TRANSITION_DURATION);
 
-      var startEvent = $.Event(Event.HIDE);
-      $(this._element).trigger(startEvent);
-      if (startEvent.isDefaultPrevented()) {
-        return;
+        this._element.style[dimension] = this._element[scrollSize] + 'px';
       }
+    }, {
+      key: 'hide',
+      value: function hide() {
+        var _this2 = this;
 
-      var dimension = this._getDimension();
-
-      this._element.style[dimension] = this._element.getBoundingClientRect()[dimension] + 'px';
-
-      Util.reflow(this._element);
-
-      $(this._element).addClass(ClassName.COLLAPSING).removeClass(ClassName.COLLAPSE).removeClass(ClassName.SHOW);
+        if (this._isTransitioning || !$(this._element).hasClass(ClassName.SHOW)) {
+          return;
+        }
 
-      if (this._triggerArray.length) {
-        for (var i = 0; i < this._triggerArray.length; i++) {
-          var trigger = this._triggerArray[i];
-          var selector = Util.getSelectorFromElement(trigger);
-          if (selector !== null) {
-            var $elem = $(selector);
-            if (!$elem.hasClass(ClassName.SHOW)) {
-              $(trigger).addClass(ClassName.COLLAPSED).attr('aria-expanded', false);
-            }
-          }
+        var startEvent = $.Event(Event.HIDE);
+        $(this._element).trigger(startEvent);
+        if (startEvent.isDefaultPrevented()) {
+          return;
         }
-      }
 
-      this.setTransitioning(true);
+        var dimension = this._getDimension();
 
-      var complete = function complete() {
-        _this2.setTransitioning(false);
-        $(_this2._element).removeClass(ClassName.COLLAPSING).addClass(ClassName.COLLAPSE).trigger(Event.HIDDEN);
-      };
+        this._element.style[dimension] = this._element.getBoundingClientRect()[dimension] + 'px';
 
-      this._element.style[dimension] = '';
+        Util.reflow(this._element);
 
-      if (!Util.supportsTransitionEnd()) {
-        complete();
-        return;
-      }
+        $(this._element).addClass(ClassName.COLLAPSING).removeClass(ClassName.COLLAPSE).removeClass(ClassName.SHOW);
 
-      $(this._element).one(Util.TRANSITION_END, complete).emulateTransitionEnd(TRANSITION_DURATION);
-    };
-
-    Collapse.prototype.setTransitioning = function setTransitioning(isTransitioning) {
-      this._isTransitioning = isTransitioning;
-    };
+        if (this._triggerArray.length) {
+          for (var i = 0; i < this._triggerArray.length; i++) {
+            var trigger = this._triggerArray[i];
+            var selector = Util.getSelectorFromElement(trigger);
+            if (selector !== null) {
+              var $elem = $(selector);
+              if (!$elem.hasClass(ClassName.SHOW)) {
+                $(trigger).addClass(ClassName.COLLAPSED).attr('aria-expanded', false);
+              }
+            }
+          }
+        }
 
-    Collapse.prototype.dispose = function dispose() {
-      $.removeData(this._element, DATA_KEY);
+        this.setTransitioning(true);
 
-      this._config = null;
-      this._parent = null;
-      this._element = null;
-      this._triggerArray = null;
-      this._isTransitioning = null;
-    };
+        var complete = function complete() {
+          _this2.setTransitioning(false);
+          $(_this2._element).removeClass(ClassName.COLLAPSING).addClass(ClassName.COLLAPSE).trigger(Event.HIDDEN);
+        };
 
-    // private
+        this._element.style[dimension] = '';
 
-    Collapse.prototype._getConfig = function _getConfig(config) {
-      config = $.extend({}, Default, config);
-      config.toggle = Boolean(config.toggle); // coerce string values
-      Util.typeCheckConfig(NAME, config, DefaultType);
-      return config;
-    };
+        if (!Util.supportsTransitionEnd()) {
+          complete();
+          return;
+        }
 
-    Collapse.prototype._getDimension = function _getDimension() {
-      var hasWidth = $(this._element).hasClass(Dimension.WIDTH);
-      return hasWidth ? Dimension.WIDTH : Dimension.HEIGHT;
-    };
+        $(this._element).one(Util.TRANSITION_END, complete).emulateTransitionEnd(TRANSITION_DURATION);
+      }
+    }, {
+      key: 'setTransitioning',
+      value: function setTransitioning(isTransitioning) {
+        this._isTransitioning = isTransitioning;
+      }
+    }, {
+      key: 'dispose',
+      value: function dispose() {
+        $.removeData(this._element, DATA_KEY);
+
+        this._config = null;
+        this._parent = null;
+        this._element = null;
+        this._triggerArray = null;
+        this._isTransitioning = null;
+      }
 
-    Collapse.prototype._getParent = function _getParent() {
-      var _this3 = this;
+      // private
 
-      var parent = $(this._config.parent)[0];
-      var selector = '[data-toggle="collapse"][data-parent="' + this._config.parent + '"]';
+    }, {
+      key: '_getConfig',
+      value: function _getConfig(config) {
+        config = $.extend({}, Default, config);
+        config.toggle = Boolean(config.toggle); // coerce string values
+        Util.typeCheckConfig(NAME, config, DefaultType);
+        return config;
+      }
+    }, {
+      key: '_getDimension',
+      value: function _getDimension() {
+        var hasWidth = $(this._element).hasClass(Dimension.WIDTH);
+        return hasWidth ? Dimension.WIDTH : Dimension.HEIGHT;
+      }
+    }, {
+      key: '_getParent',
+      value: function _getParent() {
+        var _this3 = this;
 
-      $(parent).find(selector).each(function (i, element) {
-        _this3._addAriaAndCollapsedClass(Collapse._getTargetFromElement(element), [element]);
-      });
+        var parent = $(this._config.parent)[0];
+        var selector = '[data-toggle="collapse"][data-parent="' + this._config.parent + '"]';
 
-      return parent;
-    };
+        $(parent).find(selector).each(function (i, element) {
+          _this3._addAriaAndCollapsedClass(Collapse._getTargetFromElement(element), [element]);
+        });
 
-    Collapse.prototype._addAriaAndCollapsedClass = function _addAriaAndCollapsedClass(element, triggerArray) {
-      if (element) {
-        var isOpen = $(element).hasClass(ClassName.SHOW);
+        return parent;
+      }
+    }, {
+      key: '_addAriaAndCollapsedClass',
+      value: function _addAriaAndCollapsedClass(element, triggerArray) {
+        if (element) {
+          var isOpen = $(element).hasClass(ClassName.SHOW);
 
-        if (triggerArray.length) {
-          $(triggerArray).toggleClass(ClassName.COLLAPSED, !isOpen).attr('aria-expanded', isOpen);
+          if (triggerArray.length) {
+            $(triggerArray).toggleClass(ClassName.COLLAPSED, !isOpen).attr('aria-expanded', isOpen);
+          }
         }
       }
-    };
-
-    // static
 
-    Collapse._getTargetFromElement = function _getTargetFromElement(element) {
-      var selector = Util.getSelectorFromElement(element);
-      return selector ? $(selector)[0] : null;
-    };
+      // static
 
-    Collapse._jQueryInterface = function _jQueryInterface(config) {
-      return this.each(function () {
-        var $this = $(this);
-        var data = $this.data(DATA_KEY);
-        var _config = $.extend({}, Default, $this.data(), (typeof config === 'undefined' ? 'undefined' : _typeof(config)) === 'object' && config);
-
-        if (!data && _config.toggle && /show|hide/.test(config)) {
-          _config.toggle = false;
-        }
-
-        if (!data) {
-          data = new Collapse(this, _config);
-          $this.data(DATA_KEY, data);
-        }
+    }], [{
+      key: '_getTargetFromElement',
+      value: function _getTargetFromElement(element) {
+        var selector = Util.getSelectorFromElement(element);
+        return selector ? $(selector)[0] : null;
+      }
+    }, {
+      key: '_jQueryInterface',
+      value: function _jQueryInterface(config) {
+        return this.each(function () {
+          var $this = $(this);
+          var data = $this.data(DATA_KEY);
+          var _config = $.extend({}, Default, $this.data(), (typeof config === 'undefined' ? 'undefined' : _typeof(config)) === 'object' && config);
+
+          if (!data && _config.toggle && /show|hide/.test(config)) {
+            _config.toggle = false;
+          }
 
-        if (typeof config === 'string') {
-          if (data[config] === undefined) {
-            throw new Error('No method named "' + config + '"');
+          if (!data) {
+            data = new Collapse(this, _config);
+            $this.data(DATA_KEY, data);
           }
-          data[config]();
-        }
-      });
-    };
 
-    _createClass(Collapse, null, [{
+          if (typeof config === 'string') {
+            if (typeof data[config] === 'undefined') {
+              throw new Error('No method named "' + config + '"');
+            }
+            data[config]();
+          }
+        });
+      }
+    }, {
       key: 'VERSION',
       get: function get() {
         return VERSION;
@@ -335,7 +352,8 @@ var Collapse = function ($) {
    */
 
   $(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
-    if (!/input|textarea/i.test(event.target.tagName)) {
+    // preventDefault only for <a> elements (which change the URL) not inside the collapsible element
+    if (event.target.tagName === 'A' && !$.contains(this, event.target)) {
       event.preventDefault();
     }
 
diff --git a/js/dist/collapse.js.map b/js/dist/collapse.js.map
index 0bd5517be1..c4ec464d98 100644
--- a/js/dist/collapse.js.map
+++ b/js/dist/collapse.js.map
@@ -1 +1 @@
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Util from './util'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-beta): collapse.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Collapse = (($) => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                = 'collapse'\n  const VERSION             = '4.0.0-beta'\n  const DATA_KEY            = 'bs.collapse'\n  const EVENT_KEY           = `.${DATA_KEY}`\n  const DATA_API_KEY        = '.data-api'\n  const JQUERY_NO_CONFLICT  = $.fn[NAME]\n  const TRANSITION_DURATION = 600\n\n  const Default = {\n    toggle : true,\n    parent : ''\n  }\n\n  const DefaultType = {\n    toggle : 'boolean',\n    parent : 'string'\n  }\n\n  const Event = {\n    SHOW           : `show${EVENT_KEY}`,\n    SHOWN          : `shown${EVENT_KEY}`,\n    HIDE           : `hide${EVENT_KEY}`,\n    HIDDEN         : `hidden${EVENT_KEY}`,\n    CLICK_DATA_API : `click${EVENT_KEY}${DATA_API_KEY}`\n  }\n\n  const ClassName = {\n    SHOW       : 'show',\n    COLLAPSE   : 'collapse',\n    COLLAPSING : 'collapsing',\n    COLLAPSED  : 'collapsed'\n  }\n\n  const Dimension = {\n    WIDTH  : 'width',\n    HEIGHT : 'height'\n  }\n\n  const Selector = {\n    ACTIVES     : '.show, .collapsing',\n    DATA_TOGGLE : '[data-toggle=\"collapse\"]'\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Collapse {\n\n    constructor(element, config) {\n      this._isTransitioning = false\n      this._element         = element\n      this._config          = this._getConfig(config)\n      this._triggerArray    = $.makeArray($(\n        `[data-toggle=\"collapse\"][href=\"#${element.id}\"],` +\n        `[data-toggle=\"collapse\"][data-target=\"#${element.id}\"]`\n      ))\n      const tabToggles = $(Selector.DATA_TOGGLE)\n      for (let i = 0; i < tabToggles.length; i++) {\n        const elem = tabToggles[i]\n        const selector = Util.getSelectorFromElement(elem)\n        if (selector !== null && $(selector).filter(element).length > 0) {\n          this._triggerArray.push(elem)\n        }\n      }\n\n      this._parent = this._config.parent ? this._getParent() : null\n\n      if (!this._config.parent) {\n        this._addAriaAndCollapsedClass(this._element, this._triggerArray)\n      }\n\n      if (this._config.toggle) {\n        this.toggle()\n      }\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n    static get Default() {\n      return Default\n    }\n\n\n    // public\n\n    toggle() {\n      if ($(this._element).hasClass(ClassName.SHOW)) {\n        this.hide()\n      } else {\n        this.show()\n      }\n    }\n\n    show() {\n      if (this._isTransitioning ||\n        $(this._element).hasClass(ClassName.SHOW)) {\n        return\n      }\n\n      let actives\n      let activesData\n\n      if (this._parent) {\n        actives = $.makeArray($(this._parent).children().children(Selector.ACTIVES))\n        if (!actives.length) {\n          actives = null\n        }\n      }\n\n      if (actives) {\n        activesData = $(actives).data(DATA_KEY)\n        if (activesData && activesData._isTransitioning) {\n          return\n        }\n      }\n\n      const startEvent = $.Event(Event.SHOW)\n      $(this._element).trigger(startEvent)\n      if (startEvent.isDefaultPrevented()) {\n        return\n      }\n\n      if (actives) {\n        Collapse._jQueryInterface.call($(actives), 'hide')\n        if (!activesData) {\n          $(actives).data(DATA_KEY, null)\n        }\n      }\n\n      const dimension = this._getDimension()\n\n      $(this._element)\n        .removeClass(ClassName.COLLAPSE)\n        .addClass(ClassName.COLLAPSING)\n\n      this._element.style[dimension] = 0\n\n      if (this._triggerArray.length) {\n        $(this._triggerArray)\n          .removeClass(ClassName.COLLAPSED)\n          .attr('aria-expanded', true)\n      }\n\n      this.setTransitioning(true)\n\n      const complete = () => {\n        $(this._element)\n          .removeClass(ClassName.COLLAPSING)\n          .addClass(ClassName.COLLAPSE)\n          .addClass(ClassName.SHOW)\n\n        this._element.style[dimension] = ''\n\n        this.setTransitioning(false)\n\n        $(this._element).trigger(Event.SHOWN)\n      }\n\n      if (!Util.supportsTransitionEnd()) {\n        complete()\n        return\n      }\n\n      const capitalizedDimension = dimension[0].toUpperCase() + dimension.slice(1)\n      const scrollSize           = `scroll${capitalizedDimension}`\n\n      $(this._element)\n        .one(Util.TRANSITION_END, complete)\n        .emulateTransitionEnd(TRANSITION_DURATION)\n\n      this._element.style[dimension] = `${this._element[scrollSize]}px`\n    }\n\n    hide() {\n      if (this._isTransitioning ||\n        !$(this._element).hasClass(ClassName.SHOW)) {\n        return\n      }\n\n      const startEvent = $.Event(Event.HIDE)\n      $(this._element).trigger(startEvent)\n      if (startEvent.isDefaultPrevented()) {\n        return\n      }\n\n      const dimension       = this._getDimension()\n\n      this._element.style[dimension] = `${this._element.getBoundingClientRect()[dimension]}px`\n\n      Util.reflow(this._element)\n\n      $(this._element)\n        .addClass(ClassName.COLLAPSING)\n        .removeClass(ClassName.COLLAPSE)\n        .removeClass(ClassName.SHOW)\n\n      if (this._triggerArray.length) {\n        for (let i = 0; i < this._triggerArray.length; i++) {\n          const trigger = this._triggerArray[i]\n          const selector = Util.getSelectorFromElement(trigger)\n          if (selector !== null) {\n            const $elem = $(selector)\n            if (!$elem.hasClass(ClassName.SHOW)) {\n              $(trigger).addClass(ClassName.COLLAPSED)\n                   .attr('aria-expanded', false)\n            }\n          }\n        }\n      }\n\n      this.setTransitioning(true)\n\n      const complete = () => {\n        this.setTransitioning(false)\n        $(this._element)\n          .removeClass(ClassName.COLLAPSING)\n          .addClass(ClassName.COLLAPSE)\n          .trigger(Event.HIDDEN)\n      }\n\n      this._element.style[dimension] = ''\n\n      if (!Util.supportsTransitionEnd()) {\n        complete()\n        return\n      }\n\n      $(this._element)\n        .one(Util.TRANSITION_END, complete)\n        .emulateTransitionEnd(TRANSITION_DURATION)\n    }\n\n    setTransitioning(isTransitioning) {\n      this._isTransitioning = isTransitioning\n    }\n\n    dispose() {\n      $.removeData(this._element, DATA_KEY)\n\n      this._config          = null\n      this._parent          = null\n      this._element         = null\n      this._triggerArray    = null\n      this._isTransitioning = null\n    }\n\n\n    // private\n\n    _getConfig(config) {\n      config = $.extend({}, Default, config)\n      config.toggle = Boolean(config.toggle) // coerce string values\n      Util.typeCheckConfig(NAME, config, DefaultType)\n      return config\n    }\n\n    _getDimension() {\n      const hasWidth = $(this._element).hasClass(Dimension.WIDTH)\n      return hasWidth ? Dimension.WIDTH : Dimension.HEIGHT\n    }\n\n    _getParent() {\n      const parent   = $(this._config.parent)[0]\n      const selector =\n        `[data-toggle=\"collapse\"][data-parent=\"${this._config.parent}\"]`\n\n      $(parent).find(selector).each((i, element) => {\n        this._addAriaAndCollapsedClass(\n          Collapse._getTargetFromElement(element),\n          [element]\n        )\n      })\n\n      return parent\n    }\n\n    _addAriaAndCollapsedClass(element, triggerArray) {\n      if (element) {\n        const isOpen = $(element).hasClass(ClassName.SHOW)\n\n        if (triggerArray.length) {\n          $(triggerArray)\n            .toggleClass(ClassName.COLLAPSED, !isOpen)\n            .attr('aria-expanded', isOpen)\n        }\n      }\n    }\n\n\n    // static\n\n    static _getTargetFromElement(element) {\n      const selector = Util.getSelectorFromElement(element)\n      return selector ? $(selector)[0] : null\n    }\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        const $this   = $(this)\n        let data      = $this.data(DATA_KEY)\n        const _config = $.extend(\n          {},\n          Default,\n          $this.data(),\n          typeof config === 'object' && config\n        )\n\n        if (!data && _config.toggle && /show|hide/.test(config)) {\n          _config.toggle = false\n        }\n\n        if (!data) {\n          data = new Collapse(this, _config)\n          $this.data(DATA_KEY, data)\n        }\n\n        if (typeof config === 'string') {\n          if (data[config] === undefined) {\n            throw new Error(`No method named \"${config}\"`)\n          }\n          data[config]()\n        }\n      })\n    }\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Data Api implementation\n   * ------------------------------------------------------------------------\n   */\n\n  $(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {\n    if (!/input|textarea/i.test(event.target.tagName)) {\n      event.preventDefault()\n    }\n\n    const $trigger = $(this)\n    const selector = Util.getSelectorFromElement(this)\n    $(selector).each(function () {\n      const $target = $(this)\n      const data    = $target.data(DATA_KEY)\n      const config  = data ? 'toggle' : $trigger.data()\n      Collapse._jQueryInterface.call($target, config)\n    })\n  })\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = Collapse._jQueryInterface\n  $.fn[NAME].Constructor = Collapse\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return Collapse._jQueryInterface\n  }\n\n  return Collapse\n\n})(jQuery)\n\nexport default Collapse\n"]}
\ No newline at end of file
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$ from 'jquery'\nimport Util from './util'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-beta): collapse.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Collapse = (() => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                = 'collapse'\n  const VERSION             = '4.0.0-beta'\n  const DATA_KEY            = 'bs.collapse'\n  const EVENT_KEY           = `.${DATA_KEY}`\n  const DATA_API_KEY        = '.data-api'\n  const JQUERY_NO_CONFLICT  = $.fn[NAME]\n  const TRANSITION_DURATION = 600\n\n  const Default = {\n    toggle : true,\n    parent : ''\n  }\n\n  const DefaultType = {\n    toggle : 'boolean',\n    parent : 'string'\n  }\n\n  const Event = {\n    SHOW           : `show${EVENT_KEY}`,\n    SHOWN          : `shown${EVENT_KEY}`,\n    HIDE           : `hide${EVENT_KEY}`,\n    HIDDEN         : `hidden${EVENT_KEY}`,\n    CLICK_DATA_API : `click${EVENT_KEY}${DATA_API_KEY}`\n  }\n\n  const ClassName = {\n    SHOW       : 'show',\n    COLLAPSE   : 'collapse',\n    COLLAPSING : 'collapsing',\n    COLLAPSED  : 'collapsed'\n  }\n\n  const Dimension = {\n    WIDTH  : 'width',\n    HEIGHT : 'height'\n  }\n\n  const Selector = {\n    ACTIVES     : '.show, .collapsing',\n    DATA_TOGGLE : '[data-toggle=\"collapse\"]'\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Collapse {\n\n    constructor(element, config) {\n      this._isTransitioning = false\n      this._element         = element\n      this._config          = this._getConfig(config)\n      this._triggerArray    = $.makeArray($(\n        `[data-toggle=\"collapse\"][href=\"#${element.id}\"],` +\n        `[data-toggle=\"collapse\"][data-target=\"#${element.id}\"]`\n      ))\n      const tabToggles = $(Selector.DATA_TOGGLE)\n      for (let i = 0; i < tabToggles.length; i++) {\n        const elem = tabToggles[i]\n        const selector = Util.getSelectorFromElement(elem)\n        if (selector !== null && $(selector).filter(element).length > 0) {\n          this._triggerArray.push(elem)\n        }\n      }\n\n      this._parent = this._config.parent ? this._getParent() : null\n\n      if (!this._config.parent) {\n        this._addAriaAndCollapsedClass(this._element, this._triggerArray)\n      }\n\n      if (this._config.toggle) {\n        this.toggle()\n      }\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n    static get Default() {\n      return Default\n    }\n\n\n    // public\n\n    toggle() {\n      if ($(this._element).hasClass(ClassName.SHOW)) {\n        this.hide()\n      } else {\n        this.show()\n      }\n    }\n\n    show() {\n      if (this._isTransitioning ||\n        $(this._element).hasClass(ClassName.SHOW)) {\n        return\n      }\n\n      let actives\n      let activesData\n\n      if (this._parent) {\n        actives = $.makeArray($(this._parent).children().children(Selector.ACTIVES))\n        if (!actives.length) {\n          actives = null\n        }\n      }\n\n      if (actives) {\n        activesData = $(actives).data(DATA_KEY)\n        if (activesData && activesData._isTransitioning) {\n          return\n        }\n      }\n\n      const startEvent = $.Event(Event.SHOW)\n      $(this._element).trigger(startEvent)\n      if (startEvent.isDefaultPrevented()) {\n        return\n      }\n\n      if (actives) {\n        Collapse._jQueryInterface.call($(actives), 'hide')\n        if (!activesData) {\n          $(actives).data(DATA_KEY, null)\n        }\n      }\n\n      const dimension = this._getDimension()\n\n      $(this._element)\n        .removeClass(ClassName.COLLAPSE)\n        .addClass(ClassName.COLLAPSING)\n\n      this._element.style[dimension] = 0\n\n      if (this._triggerArray.length) {\n        $(this._triggerArray)\n          .removeClass(ClassName.COLLAPSED)\n          .attr('aria-expanded', true)\n      }\n\n      this.setTransitioning(true)\n\n      const complete = () => {\n        $(this._element)\n          .removeClass(ClassName.COLLAPSING)\n          .addClass(ClassName.COLLAPSE)\n          .addClass(ClassName.SHOW)\n\n        this._element.style[dimension] = ''\n\n        this.setTransitioning(false)\n\n        $(this._element).trigger(Event.SHOWN)\n      }\n\n      if (!Util.supportsTransitionEnd()) {\n        complete()\n        return\n      }\n\n      const capitalizedDimension = dimension[0].toUpperCase() + dimension.slice(1)\n      const scrollSize           = `scroll${capitalizedDimension}`\n\n      $(this._element)\n        .one(Util.TRANSITION_END, complete)\n        .emulateTransitionEnd(TRANSITION_DURATION)\n\n      this._element.style[dimension] = `${this._element[scrollSize]}px`\n    }\n\n    hide() {\n      if (this._isTransitioning ||\n        !$(this._element).hasClass(ClassName.SHOW)) {\n        return\n      }\n\n      const startEvent = $.Event(Event.HIDE)\n      $(this._element).trigger(startEvent)\n      if (startEvent.isDefaultPrevented()) {\n        return\n      }\n\n      const dimension       = this._getDimension()\n\n      this._element.style[dimension] = `${this._element.getBoundingClientRect()[dimension]}px`\n\n      Util.reflow(this._element)\n\n      $(this._element)\n        .addClass(ClassName.COLLAPSING)\n        .removeClass(ClassName.COLLAPSE)\n        .removeClass(ClassName.SHOW)\n\n      if (this._triggerArray.length) {\n        for (let i = 0; i < this._triggerArray.length; i++) {\n          const trigger = this._triggerArray[i]\n          const selector = Util.getSelectorFromElement(trigger)\n          if (selector !== null) {\n            const $elem = $(selector)\n            if (!$elem.hasClass(ClassName.SHOW)) {\n              $(trigger).addClass(ClassName.COLLAPSED)\n                   .attr('aria-expanded', false)\n            }\n          }\n        }\n      }\n\n      this.setTransitioning(true)\n\n      const complete = () => {\n        this.setTransitioning(false)\n        $(this._element)\n          .removeClass(ClassName.COLLAPSING)\n          .addClass(ClassName.COLLAPSE)\n          .trigger(Event.HIDDEN)\n      }\n\n      this._element.style[dimension] = ''\n\n      if (!Util.supportsTransitionEnd()) {\n        complete()\n        return\n      }\n\n      $(this._element)\n        .one(Util.TRANSITION_END, complete)\n        .emulateTransitionEnd(TRANSITION_DURATION)\n    }\n\n    setTransitioning(isTransitioning) {\n      this._isTransitioning = isTransitioning\n    }\n\n    dispose() {\n      $.removeData(this._element, DATA_KEY)\n\n      this._config          = null\n      this._parent          = null\n      this._element         = null\n      this._triggerArray    = null\n      this._isTransitioning = null\n    }\n\n\n    // private\n\n    _getConfig(config) {\n      config = $.extend({}, Default, config)\n      config.toggle = Boolean(config.toggle) // coerce string values\n      Util.typeCheckConfig(NAME, config, DefaultType)\n      return config\n    }\n\n    _getDimension() {\n      const hasWidth = $(this._element).hasClass(Dimension.WIDTH)\n      return hasWidth ? Dimension.WIDTH : Dimension.HEIGHT\n    }\n\n    _getParent() {\n      const parent   = $(this._config.parent)[0]\n      const selector =\n        `[data-toggle=\"collapse\"][data-parent=\"${this._config.parent}\"]`\n\n      $(parent).find(selector).each((i, element) => {\n        this._addAriaAndCollapsedClass(\n          Collapse._getTargetFromElement(element),\n          [element]\n        )\n      })\n\n      return parent\n    }\n\n    _addAriaAndCollapsedClass(element, triggerArray) {\n      if (element) {\n        const isOpen = $(element).hasClass(ClassName.SHOW)\n\n        if (triggerArray.length) {\n          $(triggerArray)\n            .toggleClass(ClassName.COLLAPSED, !isOpen)\n            .attr('aria-expanded', isOpen)\n        }\n      }\n    }\n\n\n    // static\n\n    static _getTargetFromElement(element) {\n      const selector = Util.getSelectorFromElement(element)\n      return selector ? $(selector)[0] : null\n    }\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        const $this   = $(this)\n        let data      = $this.data(DATA_KEY)\n        const _config = $.extend(\n          {},\n          Default,\n          $this.data(),\n          typeof config === 'object' && config\n        )\n\n        if (!data && _config.toggle && /show|hide/.test(config)) {\n          _config.toggle = false\n        }\n\n        if (!data) {\n          data = new Collapse(this, _config)\n          $this.data(DATA_KEY, data)\n        }\n\n        if (typeof config === 'string') {\n          if (typeof data[config] === 'undefined') {\n            throw new Error(`No method named \"${config}\"`)\n          }\n          data[config]()\n        }\n      })\n    }\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Data Api implementation\n   * ------------------------------------------------------------------------\n   */\n\n  $(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {\n    // preventDefault only for <a> elements (which change the URL) not inside the collapsible element\n    if (event.target.tagName === 'A' && !$.contains(this, event.target)) {\n      event.preventDefault()\n    }\n\n    const $trigger = $(this)\n    const selector = Util.getSelectorFromElement(this)\n    $(selector).each(function () {\n      const $target = $(this)\n      const data    = $target.data(DATA_KEY)\n      const config  = data ? 'toggle' : $trigger.data()\n      Collapse._jQueryInterface.call($target, config)\n    })\n  })\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = Collapse._jQueryInterface\n  $.fn[NAME].Constructor = Collapse\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return Collapse._jQueryInterface\n  }\n\n  return Collapse\n\n})(jQuery)\n\nexport default Collapse\n"]}
\ No newline at end of file
diff --git a/js/dist/dropdown.js b/js/dist/dropdown.js
index 0b41280743..39096759c6 100644
--- a/js/dist/dropdown.js
+++ b/js/dist/dropdown.js
@@ -1,3 +1,5 @@
+'use strict';
+
 var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
 
 var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
@@ -11,7 +13,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
  * --------------------------------------------------------------------------
  */
 
-var Dropdown = function ($) {
+var Dropdown = function () {
 
   /**
    * Check for Popper dependency
@@ -108,278 +110,295 @@ var Dropdown = function ($) {
 
     // getters
 
-    // public
+    _createClass(Dropdown, [{
+      key: 'toggle',
 
-    Dropdown.prototype.toggle = function toggle() {
-      if (this._element.disabled || $(this._element).hasClass(ClassName.DISABLED)) {
-        return;
-      }
 
-      var parent = Dropdown._getParentFromElement(this._element);
-      var isActive = $(this._menu).hasClass(ClassName.SHOW);
+      // public
 
-      Dropdown._clearMenus();
+      value: function toggle() {
+        if (this._element.disabled || $(this._element).hasClass(ClassName.DISABLED)) {
+          return;
+        }
 
-      if (isActive) {
-        return;
-      }
+        var parent = Dropdown._getParentFromElement(this._element);
+        var isActive = $(this._menu).hasClass(ClassName.SHOW);
 
-      var relatedTarget = {
-        relatedTarget: this._element
-      };
-      var showEvent = $.Event(Event.SHOW, relatedTarget);
+        Dropdown._clearMenus();
 
-      $(parent).trigger(showEvent);
+        if (isActive) {
+          return;
+        }
 
-      if (showEvent.isDefaultPrevented()) {
-        return;
-      }
+        var relatedTarget = {
+          relatedTarget: this._element
+        };
+        var showEvent = $.Event(Event.SHOW, relatedTarget);
 
-      var element = this._element;
-      // for dropup with alignment we use the parent as popper container
-      if ($(parent).hasClass(ClassName.DROPUP)) {
-        if ($(this._menu).hasClass(ClassName.MENULEFT) || $(this._menu).hasClass(ClassName.MENURIGHT)) {
-          element = parent;
+        $(parent).trigger(showEvent);
+
+        if (showEvent.isDefaultPrevented()) {
+          return;
         }
-      }
-      this._popper = new Popper(element, this._menu, this._getPopperConfig());
-
-      // if this is a touch-enabled device we add extra
-      // empty mouseover listeners to the body's immediate children;
-      // only needed because of broken event delegation on iOS
-      // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html
-      if ('ontouchstart' in document.documentElement && !$(parent).closest(Selector.NAVBAR_NAV).length) {
-        $('body').children().on('mouseover', null, $.noop);
-      }
 
-      this._element.focus();
-      this._element.setAttribute('aria-expanded', true);
+        var element = this._element;
+        // for dropup with alignment we use the parent as popper container
+        if ($(parent).hasClass(ClassName.DROPUP)) {
+          if ($(this._menu).hasClass(ClassName.MENULEFT) || $(this._menu).hasClass(ClassName.MENURIGHT)) {
+            element = parent;
+          }
+        }
+        this._popper = new Popper(element, this._menu, this._getPopperConfig());
+
+        // if this is a touch-enabled device we add extra
+        // empty mouseover listeners to the body's immediate children;
+        // only needed because of broken event delegation on iOS
+        // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html
+        if ('ontouchstart' in document.documentElement && !$(parent).closest(Selector.NAVBAR_NAV).length) {
+          $('body').children().on('mouseover', null, $.noop);
+        }
 
-      $(this._menu).toggleClass(ClassName.SHOW);
-      $(parent).toggleClass(ClassName.SHOW).trigger($.Event(Event.SHOWN, relatedTarget));
-    };
+        this._element.focus();
+        this._element.setAttribute('aria-expanded', true);
 
-    Dropdown.prototype.dispose = function dispose() {
-      $.removeData(this._element, DATA_KEY);
-      $(this._element).off(EVENT_KEY);
-      this._element = null;
-      this._menu = null;
-      if (this._popper !== null) {
-        this._popper.destroy();
+        $(this._menu).toggleClass(ClassName.SHOW);
+        $(parent).toggleClass(ClassName.SHOW).trigger($.Event(Event.SHOWN, relatedTarget));
       }
-      this._popper = null;
-    };
-
-    Dropdown.prototype.update = function update() {
-      this._inNavbar = this._detectNavbar();
-      if (this._popper !== null) {
-        this._popper.scheduleUpdate();
+    }, {
+      key: 'dispose',
+      value: function dispose() {
+        $.removeData(this._element, DATA_KEY);
+        $(this._element).off(EVENT_KEY);
+        this._element = null;
+        this._menu = null;
+        if (this._popper !== null) {
+          this._popper.destroy();
+        }
+        this._popper = null;
+      }
+    }, {
+      key: 'update',
+      value: function update() {
+        this._inNavbar = this._detectNavbar();
+        if (this._popper !== null) {
+          this._popper.scheduleUpdate();
+        }
       }
-    };
-
-    // private
 
-    Dropdown.prototype._addEventListeners = function _addEventListeners() {
-      var _this = this;
+      // private
 
-      $(this._element).on(Event.CLICK, function (event) {
-        event.preventDefault();
-        event.stopPropagation();
-        _this.toggle();
-      });
-    };
-
-    Dropdown.prototype._getConfig = function _getConfig(config) {
-      var elementData = $(this._element).data();
-      if (elementData.placement !== undefined) {
-        elementData.placement = AttachmentMap[elementData.placement.toUpperCase()];
+    }, {
+      key: '_addEventListeners',
+      value: function _addEventListeners() {
+        var _this = this;
+
+        $(this._element).on(Event.CLICK, function (event) {
+          event.preventDefault();
+          event.stopPropagation();
+          _this.toggle();
+        });
       }
+    }, {
+      key: '_getConfig',
+      value: function _getConfig(config) {
+        var elementData = $(this._element).data();
+        if (typeof elementData.placement !== 'undefined') {
+          elementData.placement = AttachmentMap[elementData.placement.toUpperCase()];
+        }
 
-      config = $.extend({}, this.constructor.Default, $(this._element).data(), config);
-
-      Util.typeCheckConfig(NAME, config, this.constructor.DefaultType);
+        config = $.extend({}, this.constructor.Default, $(this._element).data(), config);
 
-      return config;
-    };
+        Util.typeCheckConfig(NAME, config, this.constructor.DefaultType);
 
-    Dropdown.prototype._getMenuElement = function _getMenuElement() {
-      if (!this._menu) {
-        var parent = Dropdown._getParentFromElement(this._element);
-        this._menu = $(parent).find(Selector.MENU)[0];
+        return config;
       }
-      return this._menu;
-    };
-
-    Dropdown.prototype._getPlacement = function _getPlacement() {
-      var $parentDropdown = $(this._element).parent();
-      var placement = this._config.placement;
-
-      // Handle dropup
-      if ($parentDropdown.hasClass(ClassName.DROPUP) || this._config.placement === AttachmentMap.TOP) {
-        placement = AttachmentMap.TOP;
-        if ($(this._menu).hasClass(ClassName.MENURIGHT)) {
-          placement = AttachmentMap.TOPEND;
+    }, {
+      key: '_getMenuElement',
+      value: function _getMenuElement() {
+        if (!this._menu) {
+          var parent = Dropdown._getParentFromElement(this._element);
+          this._menu = $(parent).find(Selector.MENU)[0];
         }
-      } else if ($(this._menu).hasClass(ClassName.MENURIGHT)) {
-        placement = AttachmentMap.BOTTOMEND;
+        return this._menu;
       }
-      return placement;
-    };
-
-    Dropdown.prototype._detectNavbar = function _detectNavbar() {
-      return $(this._element).closest('.navbar').length > 0;
-    };
-
-    Dropdown.prototype._getPopperConfig = function _getPopperConfig() {
-      var popperConfig = {
-        placement: this._getPlacement(),
-        modifiers: {
-          offset: {
-            offset: this._config.offset
-          },
-          flip: {
-            enabled: this._config.flip
+    }, {
+      key: '_getPlacement',
+      value: function _getPlacement() {
+        var $parentDropdown = $(this._element).parent();
+        var placement = this._config.placement;
+
+        // Handle dropup
+        if ($parentDropdown.hasClass(ClassName.DROPUP) || this._config.placement === AttachmentMap.TOP) {
+          placement = AttachmentMap.TOP;
+          if ($(this._menu).hasClass(ClassName.MENURIGHT)) {
+            placement = AttachmentMap.TOPEND;
           }
+        } else if ($(this._menu).hasClass(ClassName.MENURIGHT)) {
+          placement = AttachmentMap.BOTTOMEND;
         }
+        return placement;
+      }
+    }, {
+      key: '_detectNavbar',
+      value: function _detectNavbar() {
+        return $(this._element).closest('.navbar').length > 0;
+      }
+    }, {
+      key: '_getPopperConfig',
+      value: function _getPopperConfig() {
+        var popperConfig = {
+          placement: this._getPlacement(),
+          modifiers: {
+            offset: {
+              offset: this._config.offset
+            },
+            flip: {
+              enabled: this._config.flip
+            }
+          }
 
-        // Disable Popper.js for Dropdown in Navbar
-      };if (this._inNavbar) {
-        popperConfig.modifiers.applyStyle = {
-          enabled: !this._inNavbar
-        };
+          // Disable Popper.js for Dropdown in Navbar
+        };if (this._inNavbar) {
+          popperConfig.modifiers.applyStyle = {
+            enabled: !this._inNavbar
+          };
+        }
+        return popperConfig;
       }
-      return popperConfig;
-    };
 
-    // static
+      // static
 
-    Dropdown._jQueryInterface = function _jQueryInterface(config) {
-      return this.each(function () {
-        var data = $(this).data(DATA_KEY);
-        var _config = (typeof config === 'undefined' ? 'undefined' : _typeof(config)) === 'object' ? config : null;
+    }], [{
+      key: '_jQueryInterface',
+      value: function _jQueryInterface(config) {
+        return this.each(function () {
+          var data = $(this).data(DATA_KEY);
+          var _config = (typeof config === 'undefined' ? 'undefined' : _typeof(config)) === 'object' ? config : null;
 
-        if (!data) {
-          data = new Dropdown(this, _config);
-          $(this).data(DATA_KEY, data);
-        }
-
-        if (typeof config === 'string') {
-          if (data[config] === undefined) {
-            throw new Error('No method named "' + config + '"');
+          if (!data) {
+            data = new Dropdown(this, _config);
+            $(this).data(DATA_KEY, data);
           }
-          data[config]();
-        }
-      });
-    };
 
-    Dropdown._clearMenus = function _clearMenus(event) {
-      if (event && (event.which === RIGHT_MOUSE_BUTTON_WHICH || event.type === 'keyup' && event.which !== TAB_KEYCODE)) {
-        return;
+          if (typeof config === 'string') {
+            if (typeof data[config] === 'undefined') {
+              throw new Error('No method named "' + config + '"');
+            }
+            data[config]();
+          }
+        });
       }
-
-      var toggles = $.makeArray($(Selector.DATA_TOGGLE));
-      for (var i = 0; i < toggles.length; i++) {
-        var parent = Dropdown._getParentFromElement(toggles[i]);
-        var context = $(toggles[i]).data(DATA_KEY);
-        var relatedTarget = {
-          relatedTarget: toggles[i]
-        };
-
-        if (!context) {
-          continue;
+    }, {
+      key: '_clearMenus',
+      value: function _clearMenus(event) {
+        if (event && (event.which === RIGHT_MOUSE_BUTTON_WHICH || event.type === 'keyup' && event.which !== TAB_KEYCODE)) {
+          return;
         }
 
-        var dropdownMenu = context._menu;
-        if (!$(parent).hasClass(ClassName.SHOW)) {
-          continue;
-        }
+        var toggles = $.makeArray($(Selector.DATA_TOGGLE));
+        for (var i = 0; i < toggles.length; i++) {
+          var parent = Dropdown._getParentFromElement(toggles[i]);
+          var context = $(toggles[i]).data(DATA_KEY);
+          var relatedTarget = {
+            relatedTarget: toggles[i]
+          };
 
-        if (event && (event.type === 'click' && /input|textarea/i.test(event.target.tagName) || event.type === 'keyup' && event.which === TAB_KEYCODE) && $.contains(parent, event.target)) {
-          continue;
-        }
+          if (!context) {
+            continue;
+          }
 
-        var hideEvent = $.Event(Event.HIDE, relatedTarget);
-        $(parent).trigger(hideEvent);
-        if (hideEvent.isDefaultPrevented()) {
-          continue;
-        }
+          var dropdownMenu = context._menu;
+          if (!$(parent).hasClass(ClassName.SHOW)) {
+            continue;
+          }
 
-        // if this is a touch-enabled device we remove the extra
-        // empty mouseover listeners we added for iOS support
-        if ('ontouchstart' in document.documentElement) {
-          $('body').children().off('mouseover', null, $.noop);
-        }
+          if (event && (event.type === 'click' && /input|textarea/i.test(event.target.tagName) || event.type === 'keyup' && event.which === TAB_KEYCODE) && $.contains(parent, event.target)) {
+            continue;
+          }
 
-        toggles[i].setAttribute('aria-expanded', 'false');
+          var hideEvent = $.Event(Event.HIDE, relatedTarget);
+          $(parent).trigger(hideEvent);
+          if (hideEvent.isDefaultPrevented()) {
+            continue;
+          }
 
-        $(dropdownMenu).removeClass(ClassName.SHOW);
-        $(parent).removeClass(ClassName.SHOW).trigger($.Event(Event.HIDDEN, relatedTarget));
-      }
-    };
+          // if this is a touch-enabled device we remove the extra
+          // empty mouseover listeners we added for iOS support
+          if ('ontouchstart' in document.documentElement) {
+            $('body').children().off('mouseover', null, $.noop);
+          }
 
-    Dropdown._getParentFromElement = function _getParentFromElement(element) {
-      var parent = void 0;
-      var selector = Util.getSelectorFromElement(element);
+          toggles[i].setAttribute('aria-expanded', 'false');
 
-      if (selector) {
-        parent = $(selector)[0];
+          $(dropdownMenu).removeClass(ClassName.SHOW);
+          $(parent).removeClass(ClassName.SHOW).trigger($.Event(Event.HIDDEN, relatedTarget));
+        }
       }
+    }, {
+      key: '_getParentFromElement',
+      value: function _getParentFromElement(element) {
+        var parent = void 0;
+        var selector = Util.getSelectorFromElement(element);
 
-      return parent || element.parentNode;
-    };
+        if (selector) {
+          parent = $(selector)[0];
+        }
 
-    Dropdown._dataApiKeydownHandler = function _dataApiKeydownHandler(event) {
-      if (!REGEXP_KEYDOWN.test(event.which) || /button/i.test(event.target.tagName) && event.which === SPACE_KEYCODE || /input|textarea/i.test(event.target.tagName)) {
-        return;
+        return parent || element.parentNode;
       }
+    }, {
+      key: '_dataApiKeydownHandler',
+      value: function _dataApiKeydownHandler(event) {
+        if (!REGEXP_KEYDOWN.test(event.which) || /button/i.test(event.target.tagName) && event.which === SPACE_KEYCODE || /input|textarea/i.test(event.target.tagName)) {
+          return;
+        }
+
+        event.preventDefault();
+        event.stopPropagation();
 
-      event.preventDefault();
-      event.stopPropagation();
+        if (this.disabled || $(this).hasClass(ClassName.DISABLED)) {
+          return;
+        }
 
-      if (this.disabled || $(this).hasClass(ClassName.DISABLED)) {
-        return;
-      }
+        var parent = Dropdown._getParentFromElement(this);
+        var isActive = $(parent).hasClass(ClassName.SHOW);
 
-      var parent = Dropdown._getParentFromElement(this);
-      var isActive = $(parent).hasClass(ClassName.SHOW);
+        if (!isActive && (event.which !== ESCAPE_KEYCODE || event.which !== SPACE_KEYCODE) || isActive && (event.which === ESCAPE_KEYCODE || event.which === SPACE_KEYCODE)) {
 
-      if (!isActive && (event.which !== ESCAPE_KEYCODE || event.which !== SPACE_KEYCODE) || isActive && (event.which === ESCAPE_KEYCODE || event.which === SPACE_KEYCODE)) {
+          if (event.which === ESCAPE_KEYCODE) {
+            var toggle = $(parent).find(Selector.DATA_TOGGLE)[0];
+            $(toggle).trigger('focus');
+          }
 
-        if (event.which === ESCAPE_KEYCODE) {
-          var toggle = $(parent).find(Selector.DATA_TOGGLE)[0];
-          $(toggle).trigger('focus');
+          $(this).trigger('click');
+          return;
         }
 
-        $(this).trigger('click');
-        return;
-      }
+        var items = $(parent).find(Selector.VISIBLE_ITEMS).get();
 
-      var items = $(parent).find(Selector.VISIBLE_ITEMS).get();
+        if (!items.length) {
+          return;
+        }
 
-      if (!items.length) {
-        return;
-      }
+        var index = items.indexOf(event.target);
 
-      var index = items.indexOf(event.target);
+        if (event.which === ARROW_UP_KEYCODE && index > 0) {
+          // up
+          index--;
+        }
 
-      if (event.which === ARROW_UP_KEYCODE && index > 0) {
-        // up
-        index--;
-      }
+        if (event.which === ARROW_DOWN_KEYCODE && index < items.length - 1) {
+          // down
+          index++;
+        }
 
-      if (event.which === ARROW_DOWN_KEYCODE && index < items.length - 1) {
-        // down
-        index++;
-      }
+        if (index < 0) {
+          index = 0;
+        }
 
-      if (index < 0) {
-        index = 0;
+        items[index].focus();
       }
-
-      items[index].focus();
-    };
-
-    _createClass(Dropdown, null, [{
+    }, {
       key: 'VERSION',
       get: function get() {
         return VERSION;
@@ -427,5 +446,5 @@ var Dropdown = function ($) {
   };
 
   return Dropdown;
-}(jQuery); /* global Popper */
+}(jQuery, Popper);
 //# sourceMappingURL=dropdown.js.map
\ No newline at end of file
diff --git a/js/dist/dropdown.js.map b/js/dist/dropdown.js.map
index c1f128ff03..64af50fb75 100644
--- a/js/dist/dropdown.js.map
+++ b/js/dist/dropdown.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/dropdown.js"],"names":["Dropdown","$","Popper","Error","NAME","VERSION","DATA_KEY","EVENT_KEY","DATA_API_KEY","JQUERY_NO_CONFLICT","fn","ESCAPE_KEYCODE","SPACE_KEYCODE","TAB_KEYCODE","ARROW_UP_KEYCODE","ARROW_DOWN_KEYCODE","RIGHT_MOUSE_BUTTON_WHICH","REGEXP_KEYDOWN","RegExp","Event","HIDE","HIDDEN","SHOW","SHOWN","CLICK","CLICK_DATA_API","KEYDOWN_DATA_API","KEYUP_DATA_API","ClassName","DISABLED","DROPUP","MENURIGHT","MENULEFT","Selector","DATA_TOGGLE","FORM_CHILD","MENU","NAVBAR_NAV","VISIBLE_ITEMS","AttachmentMap","TOP","TOPEND","BOTTOM","BOTTOMEND","Default","placement","offset","flip","DefaultType","element","config","_element","_popper","_config","_getConfig","_menu","_getMenuElement","_inNavbar","_detectNavbar","_addEventListeners","toggle","disabled","hasClass","parent","_getParentFromElement","isActive","_clearMenus","relatedTarget","showEvent","trigger","isDefaultPrevented","_getPopperConfig","document","documentElement","closest","length","children","on","noop","focus","setAttribute","toggleClass","dispose","removeData","off","destroy","update","scheduleUpdate","event","preventDefault","stopPropagation","elementData","data","undefined","toUpperCase","extend","constructor","Util","typeCheckConfig","find","_getPlacement","$parentDropdown","popperConfig","modifiers","enabled","applyStyle","_jQueryInterface","each","which","type","toggles","makeArray","i","context","dropdownMenu","test","target","tagName","contains","hideEvent","removeClass","selector","getSelectorFromElement","parentNode","_dataApiKeydownHandler","items","get","index","indexOf","call","e","Constructor","noConflict","jQuery"],"mappings":";;;;;;AAKA;;;;;;;AAOA,IAAMA,WAAY,UAACC,CAAD,EAAO;;AAEvB;;;;AAIA,MAAI,OAAOC,MAAP,KAAkB,WAAtB,EAAmC;AACjC,UAAM,IAAIC,KAAJ,CAAU,8DAAV,CAAN;AACD;;AAED;;;;;;AAMA,MAAMC,OAA2B,UAAjC;AACA,MAAMC,UAA2B,YAAjC;AACA,MAAMC,WAA2B,aAAjC;AACA,MAAMC,kBAA+BD,QAArC;AACA,MAAME,eAA2B,WAAjC;AACA,MAAMC,qBAA2BR,EAAES,EAAF,CAAKN,IAAL,CAAjC;AACA,MAAMO,iBAA2B,EAAjC,CAtBuB,CAsBa;AACpC,MAAMC,gBAA2B,EAAjC,CAvBuB,CAuBa;AACpC,MAAMC,cAA2B,CAAjC,CAxBuB,CAwBY;AACnC,MAAMC,mBAA2B,EAAjC,CAzBuB,CAyBa;AACpC,MAAMC,qBAA2B,EAAjC,CA1BuB,CA0Ba;AACpC,MAAMC,2BAA2B,CAAjC,CA3BuB,CA2BY;AACnC,MAAMC,iBAA2B,IAAIC,MAAJ,CAAcJ,gBAAd,SAAkCC,kBAAlC,SAAwDJ,cAAxD,CAAjC;;AAEA,MAAMQ,QAAQ;AACZC,mBAA0Bb,SADd;AAEZc,uBAA4Bd,SAFhB;AAGZe,mBAA0Bf,SAHd;AAIZgB,qBAA2BhB,SAJf;AAKZiB,qBAA2BjB,SALf;AAMZkB,8BAA2BlB,SAA3B,GAAuCC,YAN3B;AAOZkB,kCAA6BnB,SAA7B,GAAyCC,YAP7B;AAQZmB,8BAA2BpB,SAA3B,GAAuCC;AAR3B,GAAd;;AAWA,MAAMoB,YAAY;AAChBC,cAAY,UADI;AAEhBP,UAAY,MAFI;AAGhBQ,YAAY,QAHI;AAIhBC,eAAY,qBAJI;AAKhBC,cAAY;AALI,GAAlB;;AAQA,MAAMC,WAAW;AACfC,iBAAgB,0BADD;AAEfC,gBAAgB,gBAFD;AAGfC,UAAgB,gBAHD;AAIfC,gBAAgB,aAJD;AAKfC,mBAAgB;AALD,GAAjB;;AAQA,MAAMC,gBAAgB;AACpBC,SAAY,WADQ;AAEpBC,YAAY,SAFQ;AAGpBC,YAAY,cAHQ;AAIpBC,eAAY;AAJQ,GAAtB;;AAOA,MAAMC,UAAU;AACdC,eAAcN,cAAcG,MADd;AAEdI,YAAc,CAFA;AAGdC,UAAc;AAHA,GAAhB;;AAMA,MAAMC,cAAc;AAClBH,eAAc,QADI;AAElBC,YAAc,iBAFI;AAGlBC,UAAc;;AAIhB;;;;;;AAPoB,GAApB;AAtEuB,MAmFjB/C,QAnFiB;AAqFrB,sBAAYiD,OAAZ,EAAqBC,MAArB,EAA6B;AAAA;;AAC3B,WAAKC,QAAL,GAAiBF,OAAjB;AACA,WAAKG,OAAL,GAAiB,IAAjB;AACA,WAAKC,OAAL,GAAiB,KAAKC,UAAL,CAAgBJ,MAAhB,CAAjB;AACA,WAAKK,KAAL,GAAiB,KAAKC,eAAL,EAAjB;AACA,WAAKC,SAAL,GAAiB,KAAKC,aAAL,EAAjB;;AAEA,WAAKC,kBAAL;AACD;;AAGD;;AAcA;;AA9GqB,uBAgHrBC,MAhHqB,qBAgHZ;AACP,UAAI,KAAKT,QAAL,CAAcU,QAAd,IAA0B5D,EAAE,KAAKkD,QAAP,EAAiBW,QAAjB,CAA0BlC,UAAUC,QAApC,CAA9B,EAA6E;AAC3E;AACD;;AAED,UAAMkC,SAAW/D,SAASgE,qBAAT,CAA+B,KAAKb,QAApC,CAAjB;AACA,UAAMc,WAAWhE,EAAE,KAAKsD,KAAP,EAAcO,QAAd,CAAuBlC,UAAUN,IAAjC,CAAjB;;AAEAtB,eAASkE,WAAT;;AAEA,UAAID,QAAJ,EAAc;AACZ;AACD;;AAED,UAAME,gBAAgB;AACpBA,uBAAgB,KAAKhB;AADD,OAAtB;AAGA,UAAMiB,YAAYnE,EAAEkB,KAAF,CAAQA,MAAMG,IAAd,EAAoB6C,aAApB,CAAlB;;AAEAlE,QAAE8D,MAAF,EAAUM,OAAV,CAAkBD,SAAlB;;AAEA,UAAIA,UAAUE,kBAAV,EAAJ,EAAoC;AAClC;AACD;;AAED,UAAIrB,UAAU,KAAKE,QAAnB;AACA;AACA,UAAIlD,EAAE8D,MAAF,EAAUD,QAAV,CAAmBlC,UAAUE,MAA7B,CAAJ,EAA0C;AACxC,YAAI7B,EAAE,KAAKsD,KAAP,EAAcO,QAAd,CAAuBlC,UAAUI,QAAjC,KAA8C/B,EAAE,KAAKsD,KAAP,EAAcO,QAAd,CAAuBlC,UAAUG,SAAjC,CAAlD,EAA+F;AAC7FkB,oBAAUc,MAAV;AACD;AACF;AACD,WAAKX,OAAL,GAAe,IAAIlD,MAAJ,CAAW+C,OAAX,EAAoB,KAAKM,KAAzB,EAAgC,KAAKgB,gBAAL,EAAhC,CAAf;;AAEA;AACA;AACA;AACA;AACA,UAAI,kBAAkBC,SAASC,eAA3B,IACD,CAACxE,EAAE8D,MAAF,EAAUW,OAAV,CAAkBzC,SAASI,UAA3B,EAAuCsC,MAD3C,EACmD;AACjD1E,UAAE,MAAF,EAAU2E,QAAV,GAAqBC,EAArB,CAAwB,WAAxB,EAAqC,IAArC,EAA2C5E,EAAE6E,IAA7C;AACD;;AAED,WAAK3B,QAAL,CAAc4B,KAAd;AACA,WAAK5B,QAAL,CAAc6B,YAAd,CAA2B,eAA3B,EAA4C,IAA5C;;AAEA/E,QAAE,KAAKsD,KAAP,EAAc0B,WAAd,CAA0BrD,UAAUN,IAApC;AACArB,QAAE8D,MAAF,EACGkB,WADH,CACerD,UAAUN,IADzB,EAEG+C,OAFH,CAEWpE,EAAEkB,KAAF,CAAQA,MAAMI,KAAd,EAAqB4C,aAArB,CAFX;AAGD,KAlKoB;;AAAA,uBAoKrBe,OApKqB,sBAoKX;AACRjF,QAAEkF,UAAF,CAAa,KAAKhC,QAAlB,EAA4B7C,QAA5B;AACAL,QAAE,KAAKkD,QAAP,EAAiBiC,GAAjB,CAAqB7E,SAArB;AACA,WAAK4C,QAAL,GAAgB,IAAhB;AACA,WAAKI,KAAL,GAAa,IAAb;AACA,UAAI,KAAKH,OAAL,KAAiB,IAArB,EAA2B;AACzB,aAAKA,OAAL,CAAaiC,OAAb;AACD;AACD,WAAKjC,OAAL,GAAe,IAAf;AACD,KA7KoB;;AAAA,uBA+KrBkC,MA/KqB,qBA+KZ;AACP,WAA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global Popper */\n\nimport Util from './util'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-beta): dropdown.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Dropdown = (($) => {\n\n  /**\n   * Check for Popper dependency\n   * Popper - https://popper.js.org\n   */\n  if (typeof Popper === 'undefined') {\n    throw new Error('Bootstrap dropdown require Popper.js (https://popper.js.org)')\n  }\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                     = 'dropdown'\n  const VERSION                  = '4.0.0-beta'\n  const DATA_KEY                 = 'bs.dropdown'\n  const EVENT_KEY                = `.${DATA_KEY}`\n  const DATA_API_KEY             = '.data-api'\n  const JQUERY_NO_CONFLICT       = $.fn[NAME]\n  const ESCAPE_KEYCODE           = 27 // KeyboardEvent.which value for Escape (Esc) key\n  const SPACE_KEYCODE            = 32 // KeyboardEvent.which value for space key\n  const TAB_KEYCODE              = 9 // KeyboardEvent.which value for tab key\n  const ARROW_UP_KEYCODE         = 38 // KeyboardEvent.which value for up arrow key\n  const ARROW_DOWN_KEYCODE       = 40 // KeyboardEvent.which value for down arrow key\n  const RIGHT_MOUSE_BUTTON_WHICH = 3 // MouseEvent.which value for the right button (assuming a right-handed mouse)\n  const REGEXP_KEYDOWN           = new RegExp(`${ARROW_UP_KEYCODE}|${ARROW_DOWN_KEYCODE}|${ESCAPE_KEYCODE}`)\n\n  const Event = {\n    HIDE             : `hide${EVENT_KEY}`,\n    HIDDEN           : `hidden${EVENT_KEY}`,\n    SHOW             : `show${EVENT_KEY}`,\n    SHOWN            : `shown${EVENT_KEY}`,\n    CLICK            : `click${EVENT_KEY}`,\n    CLICK_DATA_API   : `click${EVENT_KEY}${DATA_API_KEY}`,\n    KEYDOWN_DATA_API : `keydown${EVENT_KEY}${DATA_API_KEY}`,\n    KEYUP_DATA_API   : `keyup${EVENT_KEY}${DATA_API_KEY}`\n  }\n\n  const ClassName = {\n    DISABLED  : 'disabled',\n    SHOW      : 'show',\n    DROPUP    : 'dropup',\n    MENURIGHT : 'dropdown-menu-right',\n    MENULEFT  : 'dropdown-menu-left'\n  }\n\n  const Selector = {\n    DATA_TOGGLE   : '[data-toggle=\"dropdown\"]',\n    FORM_CHILD    : '.dropdown form',\n    MENU          : '.dropdown-menu',\n    NAVBAR_NAV    : '.navbar-nav',\n    VISIBLE_ITEMS : '.dropdown-menu .dropdown-item:not(.disabled)'\n  }\n\n  const AttachmentMap = {\n    TOP       : 'top-start',\n    TOPEND    : 'top-end',\n    BOTTOM    : 'bottom-start',\n    BOTTOMEND : 'bottom-end'\n  }\n\n  const Default = {\n    placement   : AttachmentMap.BOTTOM,\n    offset      : 0,\n    flip        : true\n  }\n\n  const DefaultType = {\n    placement   : 'string',\n    offset      : '(number|string)',\n    flip        : 'boolean'\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Dropdown {\n\n    constructor(element, config) {\n      this._element  = element\n      this._popper   = null\n      this._config   = this._getConfig(config)\n      this._menu     = this._getMenuElement()\n      this._inNavbar = this._detectNavbar()\n\n      this._addEventListeners()\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n    static get Default() {\n      return Default\n    }\n\n    static get DefaultType() {\n      return DefaultType\n    }\n\n    // public\n\n    toggle() {\n      if (this._element.disabled || $(this._element).hasClass(ClassName.DISABLED)) {\n        return\n      }\n\n      const parent   = Dropdown._getParentFromElement(this._element)\n      const isActive = $(this._menu).hasClass(ClassName.SHOW)\n\n      Dropdown._clearMenus()\n\n      if (isActive) {\n        return\n      }\n\n      const relatedTarget = {\n        relatedTarget : this._element\n      }\n      const showEvent = $.Event(Event.SHOW, relatedTarget)\n\n      $(parent).trigger(showEvent)\n\n      if (showEvent.isDefaultPrevented()) {\n        return\n      }\n\n      let element = this._element\n      // for dropup with alignment we use the parent as popper container\n      if ($(parent).hasClass(ClassName.DROPUP)) {\n        if ($(this._menu).hasClass(ClassName.MENULEFT) || $(this._menu).hasClass(ClassName.MENURIGHT)) {\n          element = parent\n        }\n      }\n      this._popper = new Popper(element, this._menu, this._getPopperConfig())\n\n      // if this is a touch-enabled device we add extra\n      // empty mouseover listeners to the body's immediate children;\n      // only needed because of broken event delegation on iOS\n      // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html\n      if ('ontouchstart' in document.documentElement &&\n         !$(parent).closest(Selector.NAVBAR_NAV).length) {\n        $('body').children().on('mouseover', null, $.noop)\n      }\n\n      this._element.focus()\n      this._element.setAttribute('aria-expanded', true)\n\n      $(this._menu).toggleClass(ClassName.SHOW)\n      $(parent)\n        .toggleClass(ClassName.SHOW)\n        .trigger($.Event(Event.SHOWN, relatedTarget))\n    }\n\n    dispose() {\n      $.removeData(this._element, DATA_KEY)\n      $(this._element).off(EVENT_KEY)\n      this._element = null\n      this._menu = null\n      if (this._popper !== null) {\n        this._popper.destroy()\n      }\n      this._popper = null\n    }\n\n    update() {\n      this._inNavbar = this._detectNavbar()\n      if (this._popper !== null) {\n        this._popper.scheduleUpdate()\n      }\n    }\n\n    // private\n\n    _addEventListeners() {\n      $(this._element).on(Event.CLICK, (event) => {\n        event.preventDefault()\n        event.stopPropagation()\n        this.toggle()\n      })\n    }\n\n    _getConfig(config) {\n      const elementData = $(this._element).data()\n      if (elementData.placement !== undefined) {\n        elementData.placement = AttachmentMap[elementData.placement.toUpperCase()]\n      }\n\n      config = $.extend(\n        {},\n        this.constructor.Default,\n        $(this._element).data(),\n        config\n      )\n\n      Util.typeCheckConfig(\n        NAME,\n        config,\n        this.constructor.DefaultType\n      )\n\n      return config\n    }\n\n    _getMenuElement() {\n      if (!this._menu) {\n        const parent = Dropdown._getParentFromElement(this._element)\n        this._menu = $(parent).find(Selector.MENU)[0]\n      }\n      return this._menu\n    }\n\n    _getPlacement() {\n      const $parentDropdown = $(this._element).parent()\n      let placement = this._config.placement\n\n      // Handle dropup\n      if ($parentDropdown.hasClass(ClassName.DROPUP) || this._config.placement === AttachmentMap.TOP) {\n        placement = AttachmentMap.TOP\n        if ($(this._menu).hasClass(ClassName.MENURIGHT)) {\n          placement = AttachmentMap.TOPEND\n        }\n      } else if ($(this._menu).hasClass(ClassName.MENURIGHT)) {\n        placement = AttachmentMap.BOTTOMEND\n      }\n      return placement\n    }\n\n    _detectNavbar() {\n      return $(this._element).closest('.navbar').length > 0\n    }\n\n    _getPopperConfig() {\n      const popperConfig = {\n        placement : this._getPlacement(),\n        modifiers : {\n          offset : {\n            offset : this._config.offset\n          },\n          flip : {\n            enabled : this._config.flip\n          }\n        }\n      }\n\n      // Disable Popper.js for Dropdown in Navbar\n      if (this._inNavbar) {\n        popperConfig.modifiers.applyStyle = {\n          enabled: !this._inNavbar\n        }\n      }\n      return popperConfig\n    }\n\n    // static\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        let data = $(this).data(DATA_KEY)\n        const _config = typeof config === 'object' ? config : null\n\n        if (!data) {\n          data = new Dropdown(this, _config)\n          $(this).data(DATA_KEY, data)\n        }\n\n        if (typeof config === 'string') {\n          if (data[config] === undefined) {\n            throw new Error(`No method named \"${config}\"`)\n          }\n          data[config]()\n        }\n      })\n    }\n\n    static _clearMenus(event) {\n      if (event && (event.which === RIGHT_MOUSE_BUTTON_WHICH ||\n        event.type === 'keyup' && event.which !== TAB_KEYCODE)) {\n        return\n      }\n\n      const toggles = $.makeArray($(Selector.DATA_TOGGLE))\n      for (let i = 0; i < toggles.length; i++) {\n        const parent        = Dropdown._getParentFromElement(toggles[i])\n        const context       = $(toggles[i]).data(DATA_KEY)\n        const relatedTarget = {\n          relatedTarget : toggles[i]\n        }\n\n        if (!context) {\n          continue\n        }\n\n        const dropdownMenu = context._menu\n        if (!$(parent).hasClass(ClassName.SHOW)) {\n          continue\n        }\n\n        if (event && (event.type === 'click' &&\n            /input|textarea/i.test(event.target.tagName) || event.type === 'keyup' && event.which === TAB_KEYCODE)\n            && $.contains(parent, event.target)) {\n          continue\n        }\n\n        const hideEvent = $.Event(Event.HIDE, relatedTarget)\n        $(parent).trigger(hideEvent)\n        if (hideEvent.isDefaultPrevented()) {\n          continue\n        }\n\n        // if this is a touch-enabled device we remove the extra\n        // empty mouseover listeners we added for iOS support\n        if ('ontouchstart' in document.documentElement) {\n          $('body').children().off('mouseover', null, $.noop)\n        }\n\n        toggles[i].setAttribute('aria-expanded', 'false')\n\n        $(dropdownMenu).removeClass(ClassName.SHOW)\n        $(parent)\n          .removeClass(ClassName.SHOW)\n          .trigger($.Event(Event.HIDDEN, relatedTarget))\n      }\n    }\n\n    static _getParentFromElement(element) {\n      let parent\n      const selector = Util.getSelectorFromElement(element)\n\n      if (selector) {\n        parent = $(selector)[0]\n      }\n\n      return parent || element.parentNode\n    }\n\n    static _dataApiKeydownHandler(event) {\n      if (!REGEXP_KEYDOWN.test(event.which) || /button/i.test(event.target.tagName) && event.which === SPACE_KEYCODE ||\n         /input|textarea/i.test(event.target.tagName)) {\n        return\n      }\n\n      event.preventDefault()\n      event.stopPropagation()\n\n      if (this.disabled || $(this).hasClass(ClassName.DISABLED)) {\n        return\n      }\n\n      const parent   = Dropdown._getParentFromElement(this)\n      const isActive = $(parent).hasClass(ClassName.SHOW)\n\n      if (!isActive && (event.which !== ESCAPE_KEYCODE || event.which !== SPACE_KEYCODE) ||\n           isActive && (event.which === ESCAPE_KEYCODE || event.which === SPACE_KEYCODE)) {\n\n        if (event.which === ESCAPE_KEYCODE) {\n          const toggle = $(parent).find(Selector.DATA_TOGGLE)[0]\n          $(toggle).trigger('focus')\n        }\n\n        $(this).trigger('click')\n        return\n      }\n\n      const items = $(parent).find(Selector.VISIBLE_ITEMS).get()\n\n      if (!items.length) {\n        return\n      }\n\n      let index = items.indexOf(event.target)\n\n      if (event.which === ARROW_UP_KEYCODE && index > 0) { // up\n        index--\n      }\n\n      if (event.which === ARROW_DOWN_KEYCODE && index < items.length - 1) { // down\n        index++\n      }\n\n      if (index < 0) {\n        index = 0\n      }\n\n      items[index].focus()\n    }\n\n  }\n\n\n  /**\n   * 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$.fn[NAME].Constructor = Dropdown\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return Dropdown._jQueryInterface\n  }\n\n  return Dropdown\n\n})(jQuery)\n\nexport default Dropdown\n"]}
\ No newline at end of file
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$ from 'jquery'\nimport Popper from 'popper.js'\nimport Util from './util'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-beta): dropdown.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Dropdown = (() => {\n\n  /**\n   * Check for Popper dependency\n   * Popper - https://popper.js.org\n   */\n  if (typeof Popper === 'undefined') {\n    throw new Error('Bootstrap dropdown require Popper.js (https://popper.js.org)')\n  }\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                     = 'dropdown'\n  const VERSION                  = '4.0.0-beta'\n  const DATA_KEY                 = 'bs.dropdown'\n  const EVENT_KEY                = `.${DATA_KEY}`\n  const DATA_API_KEY             = '.data-api'\n  const JQUERY_NO_CONFLICT       = $.fn[NAME]\n  const ESCAPE_KEYCODE           = 27 // KeyboardEvent.which value for Escape (Esc) key\n  const SPACE_KEYCODE            = 32 // KeyboardEvent.which value for space key\n  const TAB_KEYCODE              = 9 // KeyboardEvent.which value for tab key\n  const ARROW_UP_KEYCODE         = 38 // KeyboardEvent.which value for up arrow key\n  const ARROW_DOWN_KEYCODE       = 40 // KeyboardEvent.which value for down arrow key\n  const RIGHT_MOUSE_BUTTON_WHICH = 3 // MouseEvent.which value for the right button (assuming a right-handed mouse)\n  const REGEXP_KEYDOWN           = new RegExp(`${ARROW_UP_KEYCODE}|${ARROW_DOWN_KEYCODE}|${ESCAPE_KEYCODE}`)\n\n  const Event = {\n    HIDE             : `hide${EVENT_KEY}`,\n    HIDDEN           : `hidden${EVENT_KEY}`,\n    SHOW             : `show${EVENT_KEY}`,\n    SHOWN            : `shown${EVENT_KEY}`,\n    CLICK            : `click${EVENT_KEY}`,\n    CLICK_DATA_API   : `click${EVENT_KEY}${DATA_API_KEY}`,\n    KEYDOWN_DATA_API : `keydown${EVENT_KEY}${DATA_API_KEY}`,\n    KEYUP_DATA_API   : `keyup${EVENT_KEY}${DATA_API_KEY}`\n  }\n\n  const ClassName = {\n    DISABLED  : 'disabled',\n    SHOW      : 'show',\n    DROPUP    : 'dropup',\n    MENURIGHT : 'dropdown-menu-right',\n    MENULEFT  : 'dropdown-menu-left'\n  }\n\n  const Selector = {\n    DATA_TOGGLE   : '[data-toggle=\"dropdown\"]',\n    FORM_CHILD    : '.dropdown form',\n    MENU          : '.dropdown-menu',\n    NAVBAR_NAV    : '.navbar-nav',\n    VISIBLE_ITEMS : '.dropdown-menu .dropdown-item:not(.disabled)'\n  }\n\n  const AttachmentMap = {\n    TOP       : 'top-start',\n    TOPEND    : 'top-end',\n    BOTTOM    : 'bottom-start',\n    BOTTOMEND : 'bottom-end'\n  }\n\n  const Default = {\n    placement   : AttachmentMap.BOTTOM,\n    offset      : 0,\n    flip        : true\n  }\n\n  const DefaultType = {\n    placement   : 'string',\n    offset      : '(number|string)',\n    flip        : 'boolean'\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Dropdown {\n\n    constructor(element, config) {\n      this._element  = element\n      this._popper   = null\n      this._config   = this._getConfig(config)\n      this._menu     = this._getMenuElement()\n      this._inNavbar = this._detectNavbar()\n\n      this._addEventListeners()\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n    static get Default() {\n      return Default\n    }\n\n    static get DefaultType() {\n      return DefaultType\n    }\n\n    // public\n\n    toggle() {\n      if (this._element.disabled || $(this._element).hasClass(ClassName.DISABLED)) {\n        return\n      }\n\n      const parent   = Dropdown._getParentFromElement(this._element)\n      const isActive = $(this._menu).hasClass(ClassName.SHOW)\n\n      Dropdown._clearMenus()\n\n      if (isActive) {\n        return\n      }\n\n      const relatedTarget = {\n        relatedTarget : this._element\n      }\n      const showEvent = $.Event(Event.SHOW, relatedTarget)\n\n      $(parent).trigger(showEvent)\n\n      if (showEvent.isDefaultPrevented()) {\n        return\n      }\n\n      let element = this._element\n      // for dropup with alignment we use the parent as popper container\n      if ($(parent).hasClass(ClassName.DROPUP)) {\n        if ($(this._menu).hasClass(ClassName.MENULEFT) || $(this._menu).hasClass(ClassName.MENURIGHT)) {\n          element = parent\n        }\n      }\n      this._popper = new Popper(element, this._menu, this._getPopperConfig())\n\n      // if this is a touch-enabled device we add extra\n      // empty mouseover listeners to the body's immediate children;\n      // only needed because of broken event delegation on iOS\n      // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html\n      if ('ontouchstart' in document.documentElement &&\n         !$(parent).closest(Selector.NAVBAR_NAV).length) {\n        $('body').children().on('mouseover', null, $.noop)\n      }\n\n      this._element.focus()\n      this._element.setAttribute('aria-expanded', true)\n\n      $(this._menu).toggleClass(ClassName.SHOW)\n      $(parent)\n        .toggleClass(ClassName.SHOW)\n        .trigger($.Event(Event.SHOWN, relatedTarget))\n    }\n\n    dispose() {\n      $.removeData(this._element, DATA_KEY)\n      $(this._element).off(EVENT_KEY)\n      this._element = null\n      this._menu = null\n      if (this._popper !== null) {\n        this._popper.destroy()\n      }\n      this._popper = null\n    }\n\n    update() {\n      this._inNavbar = this._detectNavbar()\n      if (this._popper !== null) {\n        this._popper.scheduleUpdate()\n      }\n    }\n\n    // private\n\n    _addEventListeners() {\n      $(this._element).on(Event.CLICK, (event) => {\n        event.preventDefault()\n        event.stopPropagation()\n        this.toggle()\n      })\n    }\n\n    _getConfig(config) {\n      const elementData = $(this._element).data()\n      if (typeof elementData.placement !== 'undefined') {\n        elementData.placement = AttachmentMap[elementData.placement.toUpperCase()]\n      }\n\n      config = $.extend(\n        {},\n        this.constructor.Default,\n        $(this._element).data(),\n        config\n      )\n\n      Util.typeCheckConfig(\n        NAME,\n        config,\n        this.constructor.DefaultType\n      )\n\n      return config\n    }\n\n    _getMenuElement() {\n      if (!this._menu) {\n        const parent = Dropdown._getParentFromElement(this._element)\n        this._menu = $(parent).find(Selector.MENU)[0]\n      }\n      return this._menu\n    }\n\n    _getPlacement() {\n      const $parentDropdown = $(this._element).parent()\n      let placement = this._config.placement\n\n      // Handle dropup\n      if ($parentDropdown.hasClass(ClassName.DROPUP) || this._config.placement === AttachmentMap.TOP) {\n        placement = AttachmentMap.TOP\n        if ($(this._menu).hasClass(ClassName.MENURIGHT)) {\n          placement = AttachmentMap.TOPEND\n        }\n      } else if ($(this._menu).hasClass(ClassName.MENURIGHT)) {\n        placement = AttachmentMap.BOTTOMEND\n      }\n      return placement\n    }\n\n    _detectNavbar() {\n      return $(this._element).closest('.navbar').length > 0\n    }\n\n    _getPopperConfig() {\n      const popperConfig = {\n        placement : this._getPlacement(),\n        modifiers : {\n          offset : {\n            offset : this._config.offset\n          },\n          flip : {\n            enabled : this._config.flip\n          }\n        }\n      }\n\n      // Disable Popper.js for Dropdown in Navbar\n      if (this._inNavbar) {\n        popperConfig.modifiers.applyStyle = {\n          enabled: !this._inNavbar\n        }\n      }\n      return popperConfig\n    }\n\n    // static\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        let data = $(this).data(DATA_KEY)\n        const _config = typeof config === 'object' ? config : null\n\n        if (!data) {\n          data = new Dropdown(this, _config)\n          $(this).data(DATA_KEY, data)\n        }\n\n        if (typeof config === 'string') {\n          if (typeof data[config] === 'undefined') {\n            throw new Error(`No method named \"${config}\"`)\n          }\n          data[config]()\n        }\n      })\n    }\n\n    static _clearMenus(event) {\n      if (event && (event.which === RIGHT_MOUSE_BUTTON_WHICH ||\n        event.type === 'keyup' && event.which !== TAB_KEYCODE)) {\n        return\n      }\n\n      const toggles = $.makeArray($(Selector.DATA_TOGGLE))\n      for (let i = 0; i < toggles.length; i++) {\n        const parent        = Dropdown._getParentFromElement(toggles[i])\n        const context       = $(toggles[i]).data(DATA_KEY)\n        const relatedTarget = {\n          relatedTarget : toggles[i]\n        }\n\n        if (!context) {\n          continue\n        }\n\n        const dropdownMenu = context._menu\n        if (!$(parent).hasClass(ClassName.SHOW)) {\n          continue\n        }\n\n        if (event && (event.type === 'click' &&\n            /input|textarea/i.test(event.target.tagName) || event.type === 'keyup' && event.which === TAB_KEYCODE)\n            && $.contains(parent, event.target)) {\n          continue\n        }\n\n        const hideEvent = $.Event(Event.HIDE, relatedTarget)\n        $(parent).trigger(hideEvent)\n        if (hideEvent.isDefaultPrevented()) {\n          continue\n        }\n\n        // if this is a touch-enabled device we remove the extra\n        // empty mouseover listeners we added for iOS support\n        if ('ontouchstart' in document.documentElement) {\n          $('body').children().off('mouseover', null, $.noop)\n        }\n\n        toggles[i].setAttribute('aria-expanded', 'false')\n\n        $(dropdownMenu).removeClass(ClassName.SHOW)\n        $(parent)\n          .removeClass(ClassName.SHOW)\n          .trigger($.Event(Event.HIDDEN, relatedTarget))\n      }\n    }\n\n    static _getParentFromElement(element) {\n      let parent\n      const selector = Util.getSelectorFromElement(element)\n\n      if (selector) {\n        parent = $(selector)[0]\n      }\n\n      return parent || element.parentNode\n    }\n\n    static _dataApiKeydownHandler(event) {\n      if (!REGEXP_KEYDOWN.test(event.which) || /button/i.test(event.target.tagName) && event.which === SPACE_KEYCODE ||\n         /input|textarea/i.test(event.target.tagName)) {\n        return\n      }\n\n      event.preventDefault()\n      event.stopPropagation()\n\n      if (this.disabled || $(this).hasClass(ClassName.DISABLED)) {\n        return\n      }\n\n      const parent   = Dropdown._getParentFromElement(this)\n      const isActive = $(parent).hasClass(ClassName.SHOW)\n\n      if (!isActive && (event.which !== ESCAPE_KEYCODE || event.which !== SPACE_KEYCODE) ||\n           isActive && (event.which === ESCAPE_KEYCODE || event.which === SPACE_KEYCODE)) {\n\n        if (event.which === ESCAPE_KEYCODE) {\n          const toggle = $(parent).find(Selector.DATA_TOGGLE)[0]\n          $(toggle).trigger('focus')\n        }\n\n        $(this).trigger('click')\n        return\n      }\n\n      const items = $(parent).find(Selector.VISIBLE_ITEMS).get()\n\n      if (!items.length) {\n        return\n      }\n\n      let index = items.indexOf(event.target)\n\n      if (event.which === ARROW_UP_KEYCODE && index > 0) { // up\n        index--\n      }\n\n      if (event.which === ARROW_DOWN_KEYCODE && index < items.length - 1) { // down\n        index++\n      }\n\n      if (index < 0) {\n        index = 0\n      }\n\n      items[index].focus()\n    }\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Data Api implementation\n   * ------------------------------------------------------------------------\n   */\n\n  $(document)\n    .on(Event.KEYDOWN_DATA_API, Selector.DATA_TOGGLE,  Dropdown._dataApiKeydownHandler)\n    .on(Event.KEYDOWN_DATA_API, Selector.MENU, Dropdown._dataApiKeydownHandler)\n    .on(`${Event.CLICK_DATA_API} ${Event.KEYUP_DATA_API}`, Dropdown._clearMenus)\n    .on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {\n      event.preventDefault()\n      event.stopPropagation()\n      Dropdown._jQueryInterface.call($(this), 'toggle')\n    })\n    .on(Event.CLICK_DATA_API, Selector.FORM_CHILD, (e) => {\n      e.stopPropagation()\n    })\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = Dropdown._jQueryInterface\n  $.fn[NAME].Constructor = Dropdown\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return Dropdown._jQueryInterface\n  }\n\n  return Dropdown\n\n})(jQuery, Popper)\n\nexport default Dropdown\n"]}
\ No newline at end of file
diff --git a/js/dist/index.js b/js/dist/index.js
new file mode 100644
index 0000000000..21d9140092
--- /dev/null
+++ b/js/dist/index.js
@@ -0,0 +1,22 @@
+'use strict';
+
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v4.0.0-alpha.6): index.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+
+(function () {
+  if (typeof jQuery === 'undefined') {
+    throw new Error('Bootstrap\'s JavaScript requires jQuery. jQuery must be included before Bootstrap\'s JavaScript.');
+  }
+
+  var version = $.fn.jquery.split(' ')[0].split('.');
+  var min = 3;
+  var max = 4;
+  if (version[0] < min || version[0] >= max) {
+    throw new Error('Bootstrap\'s JavaScript requires at least jQuery v3.0.0 but less than v4.0.0');
+  }
+})(jQuery);
+//# sourceMappingURL=index.js.map
\ No newline at end of file
diff --git a/js/dist/index.js.map b/js/dist/index.js.map
new file mode 100644
index 0000000000..96abc6edc9
--- /dev/null
+++ b/js/dist/index.js.map
@@ -0,0 +1 @@
+{"version":3,"sources":["../src/index.js"],"names":["jQuery","Error","version","$","fn","jquery","split","min","max"],"mappings":";;AAaA;;;;;;;AAOA,CAAC,YAAM;AACL,MAAI,OAAOA,MAAP,KAAkB,WAAtB,EAAmC;AACjC,UAAM,IAAIC,KAAJ,CAAU,kGAAV,CAAN;AACD;;AAED,MAAMC,UAAUC,EAAEC,EAAF,CAAKC,MAAL,CAAYC,KAAZ,CAAkB,GAAlB,EAAuB,CAAvB,EAA0BA,KAA1B,CAAgC,GAAhC,CAAhB;AACA,MAAMC,MAAM,CAAZ;AACA,MAAMC,MAAM,CAAZ;AACA,MAAIN,QAAQ,CAAR,IAAaK,GAAb,IAAoBL,QAAQ,CAAR,KAAcM,GAAtC,EAA2C;AACzC,UAAM,IAAIP,KAAJ,CAAU,8EAAV,CAAN;AACD;AACF,CAXD,EAWGD,MAXH","file":"index.js","sourcesContent":["import $ from 'jquery'\nimport Alert from './alert'\nimport Button from './button'\nimport Carousel from './carousel'\nimport Collapse from './collapse'\nimport Dropdown from './dropdown'\nimport Modal from './modal'\nimport Popover from './popover'\nimport Scrollspy from './scrollspy'\nimport Tab from './tab'\nimport Tooltip from './tooltip'\nimport Util from './util'\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-alpha.6): index.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\n(() => {\n  if (typeof jQuery === 'undefined') {\n    throw new Error('Bootstrap\\'s JavaScript requires jQuery. jQuery must be included before Bootstrap\\'s JavaScript.')\n  }\n\n  const version = $.fn.jquery.split(' ')[0].split('.')\n  const min = 3\n  const max = 4\n  if (version[0] < min || version[0] >= max) {\n    throw new Error('Bootstrap\\'s JavaScript requires at least jQuery v3.0.0 but less than v4.0.0')\n  }\n})(jQuery)\n\nexport {\n  Util,\n  Alert,\n  Button,\n  Carousel,\n  Collapse,\n  Dropdown,\n  Modal,\n  Popover,\n  Scrollspy,\n  Tab,\n  Tooltip\n}\n"]}
\ No newline at end of file
diff --git a/js/dist/modal.js b/js/dist/modal.js
index 877111bf25..c3482de57c 100644
--- a/js/dist/modal.js
+++ b/js/dist/modal.js
@@ -1,3 +1,5 @@
+'use strict';
+
 var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
 
 var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
@@ -11,7 +13,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
  * --------------------------------------------------------------------------
  */
 
-var Modal = function ($) {
+var Modal = function () {
 
   /**
    * ------------------------------------------------------------------------
@@ -70,6 +72,7 @@ var Modal = function ($) {
     DATA_TOGGLE: '[data-toggle="modal"]',
     DATA_DISMISS: '[data-dismiss="modal"]',
     FIXED_CONTENT: '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top',
+    STICKY_CONTENT: '.sticky-top',
     NAVBAR_TOGGLER: '.navbar-toggler'
 
     /**
@@ -96,417 +99,452 @@ var Modal = function ($) {
 
     // getters
 
-    // public
-
-    Modal.prototype.toggle = function toggle(relatedTarget) {
-      return this._isShown ? this.hide() : this.show(relatedTarget);
-    };
-
-    Modal.prototype.show = function show(relatedTarget) {
-      var _this = this;
+    _createClass(Modal, [{
+      key: 'toggle',
 
-      if (this._isTransitioning) {
-        return;
-      }
-
-      if (Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE)) {
-        this._isTransitioning = true;
-      }
-
-      var showEvent = $.Event(Event.SHOW, {
-        relatedTarget: relatedTarget
-      });
 
-      $(this._element).trigger(showEvent);
+      // public
 
-      if (this._isShown || showEvent.isDefaultPrevented()) {
-        return;
+      value: function toggle(relatedTarget) {
+        return this._isShown ? this.hide() : this.show(relatedTarget);
       }
+    }, {
+      key: 'show',
+      value: function show(relatedTarget) {
+        var _this = this;
 
-      this._isShown = true;
-
-      this._checkScrollbar();
-      this._setScrollbar();
-
-      $(document.body).addClass(ClassName.OPEN);
-
-      this._setEscapeEvent();
-      this._setResizeEvent();
+        if (this._isTransitioning) {
+          return;
+        }
 
-      $(this._element).on(Event.CLICK_DISMISS, Selector.DATA_DISMISS, function (event) {
-        return _this.hide(event);
-      });
+        if (Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE)) {
+          this._isTransitioning = true;
+        }
 
-      $(this._dialog).on(Event.MOUSEDOWN_DISMISS, function () {
-        $(_this._element).one(Event.MOUSEUP_DISMISS, function (event) {
-          if ($(event.target).is(_this._element)) {
-            _this._ignoreBackdropClick = true;
-          }
+        var showEvent = $.Event(Event.SHOW, {
+          relatedTarget: relatedTarget
         });
-      });
 
-      this._showBackdrop(function () {
-        return _this._showElement(relatedTarget);
-      });
-    };
+        $(this._element).trigger(showEvent);
 
-    Modal.prototype.hide = function hide(event) {
-      var _this2 = this;
+        if (this._isShown || showEvent.isDefaultPrevented()) {
+          return;
+        }
 
-      if (event) {
-        event.preventDefault();
-      }
+        this._isShown = true;
 
-      if (this._isTransitioning || !this._isShown) {
-        return;
-      }
+        this._checkScrollbar();
+        this._setScrollbar();
 
-      var transition = Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE);
+        this._adjustDialog();
 
-      if (transition) {
-        this._isTransitioning = true;
-      }
+        $(document.body).addClass(ClassName.OPEN);
 
-      var hideEvent = $.Event(Event.HIDE);
+        this._setEscapeEvent();
+        this._setResizeEvent();
 
-      $(this._element).trigger(hideEvent);
+        $(this._element).on(Event.CLICK_DISMISS, Selector.DATA_DISMISS, function (event) {
+          return _this.hide(event);
+        });
 
-      if (!this._isShown || hideEvent.isDefaultPrevented()) {
-        return;
+        $(this._dialog).on(Event.MOUSEDOWN_DISMISS, function () {
+          $(_this._element).one(Event.MOUSEUP_DISMISS, function (event) {
+            if ($(event.target).is(_this._element)) {
+              _this._ignoreBackdropClick = true;
+            }
+          });
+        });
+
+        this._showBackdrop(function () {
+          return _this._showElement(relatedTarget);
+        });
       }
+    }, {
+      key: 'hide',
+      value: function hide(event) {
+        var _this2 = this;
 
-      this._isShown = false;
+        if (event) {
+          event.preventDefault();
+        }
 
-      this._setEscapeEvent();
-      this._setResizeEvent();
+        if (this._isTransitioning || !this._isShown) {
+          return;
+        }
 
-      $(document).off(Event.FOCUSIN);
+        var transition = Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE);
 
-      $(this._element).removeClass(ClassName.SHOW);
+        if (transition) {
+          this._isTransitioning = true;
+        }
 
-      $(this._element).off(Event.CLICK_DISMISS);
-      $(this._dialog).off(Event.MOUSEDOWN_DISMISS);
+        var hideEvent = $.Event(Event.HIDE);
 
-      if (transition) {
+        $(this._element).trigger(hideEvent);
 
-        $(this._element).one(Util.TRANSITION_END, function (event) {
-          return _this2._hideModal(event);
-        }).emulateTransitionEnd(TRANSITION_DURATION);
-      } else {
-        this._hideModal();
-      }
-    };
+        if (!this._isShown || hideEvent.isDefaultPrevented()) {
+          return;
+        }
 
-    Modal.prototype.dispose = function dispose() {
-      $.removeData(this._element, DATA_KEY);
+        this._isShown = false;
 
-      $(window, document, this._element, this._backdrop).off(EVENT_KEY);
+        this._setEscapeEvent();
+        this._setResizeEvent();
 
-      this._config = null;
-      this._element = null;
-      this._dialog = null;
-      this._backdrop = null;
-      this._isShown = null;
-      this._isBodyOverflowing = null;
-      this._ignoreBackdropClick = null;
-      this._scrollbarWidth = null;
-    };
+        $(document).off(Event.FOCUSIN);
 
-    Modal.prototype.handleUpdate = function handleUpdate() {
-      this._adjustDialog();
-    };
+        $(this._element).removeClass(ClassName.SHOW);
 
-    // private
+        $(this._element).off(Event.CLICK_DISMISS);
+        $(this._dialog).off(Event.MOUSEDOWN_DISMISS);
 
-    Modal.prototype._getConfig = function _getConfig(config) {
-      config = $.extend({}, Default, config);
-      Util.typeCheckConfig(NAME, config, DefaultType);
-      return config;
-    };
+        if (transition) {
 
-    Modal.prototype._showElement = function _showElement(relatedTarget) {
-      var _this3 = this;
+          $(this._element).one(Util.TRANSITION_END, function (event) {
+            return _this2._hideModal(event);
+          }).emulateTransitionEnd(TRANSITION_DURATION);
+        } else {
+          this._hideModal();
+        }
+      }
+    }, {
+      key: 'dispose',
+      value: function dispose() {
+        $.removeData(this._element, DATA_KEY);
 
-      var transition = Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE);
+        $(window, document, this._element, this._backdrop).off(EVENT_KEY);
 
-      if (!this._element.parentNode || this._element.parentNode.nodeType !== Node.ELEMENT_NODE) {
-        // don't move modals dom position
-        document.body.appendChild(this._element);
+        this._config = null;
+        this._element = null;
+        this._dialog = null;
+        this._backdrop = null;
+        this._isShown = null;
+        this._isBodyOverflowing = null;
+        this._ignoreBackdropClick = null;
+        this._scrollbarWidth = null;
+      }
+    }, {
+      key: 'handleUpdate',
+      value: function handleUpdate() {
+        this._adjustDialog();
       }
 
-      this._element.style.display = 'block';
-      this._element.removeAttribute('aria-hidden');
-      this._element.scrollTop = 0;
+      // private
 
-      if (transition) {
-        Util.reflow(this._element);
+    }, {
+      key: '_getConfig',
+      value: function _getConfig(config) {
+        config = $.extend({}, Default, config);
+        Util.typeCheckConfig(NAME, config, DefaultType);
+        return config;
       }
+    }, {
+      key: '_showElement',
+      value: function _showElement(relatedTarget) {
+        var _this3 = this;
 
-      $(this._element).addClass(ClassName.SHOW);
+        var transition = Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE);
 
-      if (this._config.focus) {
-        this._enforceFocus();
-      }
+        if (!this._element.parentNode || this._element.parentNode.nodeType !== Node.ELEMENT_NODE) {
+          // don't move modals dom position
+          document.body.appendChild(this._element);
+        }
 
-      var shownEvent = $.Event(Event.SHOWN, {
-        relatedTarget: relatedTarget
-      });
+        this._element.style.display = 'block';
+        this._element.removeAttribute('aria-hidden');
+        this._element.scrollTop = 0;
 
-      var transitionComplete = function transitionComplete() {
-        if (_this3._config.focus) {
-          _this3._element.focus();
+        if (transition) {
+          Util.reflow(this._element);
         }
-        _this3._isTransitioning = false;
-        $(_this3._element).trigger(shownEvent);
-      };
-
-      if (transition) {
-        $(this._dialog).one(Util.TRANSITION_END, transitionComplete).emulateTransitionEnd(TRANSITION_DURATION);
-      } else {
-        transitionComplete();
-      }
-    };
 
-    Modal.prototype._enforceFocus = function _enforceFocus() {
-      var _this4 = this;
+        $(this._element).addClass(ClassName.SHOW);
 
-      $(document).off(Event.FOCUSIN) // guard against infinite focus loop
-      .on(Event.FOCUSIN, function (event) {
-        if (document !== event.target && _this4._element !== event.target && !$(_this4._element).has(event.target).length) {
-          _this4._element.focus();
+        if (this._config.focus) {
+          this._enforceFocus();
         }
-      });
-    };
 
-    Modal.prototype._setEscapeEvent = function _setEscapeEvent() {
-      var _this5 = this;
+        var shownEvent = $.Event(Event.SHOWN, {
+          relatedTarget: relatedTarget
+        });
 
-      if (this._isShown && this._config.keyboard) {
-        $(this._element).on(Event.KEYDOWN_DISMISS, function (event) {
-          if (event.which === ESCAPE_KEYCODE) {
-            event.preventDefault();
-            _this5.hide();
+        var transitionComplete = function transitionComplete() {
+          if (_this3._config.focus) {
+            _this3._element.focus();
+          }
+          _this3._isTransitioning = false;
+          $(_this3._element).trigger(shownEvent);
+        };
+
+        if (transition) {
+          $(this._dialog).one(Util.TRANSITION_END, transitionComplete).emulateTransitionEnd(TRANSITION_DURATION);
+        } else {
+          transitionComplete();
+        }
+      }
+    }, {
+      key: '_enforceFocus',
+      value: function _enforceFocus() {
+        var _this4 = this;
+
+        $(document).off(Event.FOCUSIN) // guard against infinite focus loop
+        .on(Event.FOCUSIN, function (event) {
+          if (document !== event.target && _this4._element !== event.target && !$(_this4._element).has(event.target).length) {
+            _this4._element.focus();
           }
         });
-      } else if (!this._isShown) {
-        $(this._element).off(Event.KEYDOWN_DISMISS);
       }
-    };
-
-    Modal.prototype._setResizeEvent = function _setResizeEvent() {
-      var _this6 = this;
-
-      if (this._isShown) {
-        $(window).on(Event.RESIZE, function (event) {
-          return _this6.handleUpdate(event);
+    }, {
+      key: '_setEscapeEvent',
+      value: function _setEscapeEvent() {
+        var _this5 = this;
+
+        if (this._isShown && this._config.keyboard) {
+          $(this._element).on(Event.KEYDOWN_DISMISS, function (event) {
+            if (event.which === ESCAPE_KEYCODE) {
+              event.preventDefault();
+              _this5.hide();
+            }
+          });
+        } else if (!this._isShown) {
+          $(this._element).off(Event.KEYDOWN_DISMISS);
+        }
+      }
+    }, {
+      key: '_setResizeEvent',
+      value: function _setResizeEvent() {
+        var _this6 = this;
+
+        if (this._isShown) {
+          $(window).on(Event.RESIZE, function (event) {
+            return _this6.handleUpdate(event);
+          });
+        } else {
+          $(window).off(Event.RESIZE);
+        }
+      }
+    }, {
+      key: '_hideModal',
+      value: function _hideModal() {
+        var _this7 = this;
+
+        this._element.style.display = 'none';
+        this._element.setAttribute('aria-hidden', true);
+        this._isTransitioning = false;
+        this._showBackdrop(function () {
+          $(document.body).removeClass(ClassName.OPEN);
+          _this7._resetAdjustments();
+          _this7._resetScrollbar();
+          $(_this7._element).trigger(Event.HIDDEN);
         });
-      } else {
-        $(window).off(Event.RESIZE);
       }
-    };
-
-    Modal.prototype._hideModal = function _hideModal() {
-      var _this7 = this;
-
-      this._element.style.display = 'none';
-      this._element.setAttribute('aria-hidden', true);
-      this._isTransitioning = false;
-      this._showBackdrop(function () {
-        $(document.body).removeClass(ClassName.OPEN);
-        _this7._resetAdjustments();
-        _this7._resetScrollbar();
-        $(_this7._element).trigger(Event.HIDDEN);
-      });
-    };
-
-    Modal.prototype._removeBackdrop = function _removeBackdrop() {
-      if (this._backdrop) {
-        $(this._backdrop).remove();
-        this._backdrop = null;
+    }, {
+      key: '_removeBackdrop',
+      value: function _removeBackdrop() {
+        if (this._backdrop) {
+          $(this._backdrop).remove();
+          this._backdrop = null;
+        }
       }
-    };
+    }, {
+      key: '_showBackdrop',
+      value: function _showBackdrop(callback) {
+        var _this8 = this;
 
-    Modal.prototype._showBackdrop = function _showBackdrop(callback) {
-      var _this8 = this;
+        var animate = $(this._element).hasClass(ClassName.FADE) ? ClassName.FADE : '';
 
-      var animate = $(this._element).hasClass(ClassName.FADE) ? ClassName.FADE : '';
+        if (this._isShown && this._config.backdrop) {
+          var doAnimate = Util.supportsTransitionEnd() && animate;
 
-      if (this._isShown && this._config.backdrop) {
-        var doAnimate = Util.supportsTransitionEnd() && animate;
+          this._backdrop = document.createElement('div');
+          this._backdrop.className = ClassName.BACKDROP;
 
-        this._backdrop = document.createElement('div');
-        this._backdrop.className = ClassName.BACKDROP;
+          if (animate) {
+            $(this._backdrop).addClass(animate);
+          }
 
-        if (animate) {
-          $(this._backdrop).addClass(animate);
-        }
+          $(this._backdrop).appendTo(document.body);
+
+          $(this._element).on(Event.CLICK_DISMISS, function (event) {
+            if (_this8._ignoreBackdropClick) {
+              _this8._ignoreBackdropClick = false;
+              return;
+            }
+            if (event.target !== event.currentTarget) {
+              return;
+            }
+            if (_this8._config.backdrop === 'static') {
+              _this8._element.focus();
+            } else {
+              _this8.hide();
+            }
+          });
+
+          if (doAnimate) {
+            Util.reflow(this._backdrop);
+          }
 
-        $(this._backdrop).appendTo(document.body);
+          $(this._backdrop).addClass(ClassName.SHOW);
 
-        $(this._element).on(Event.CLICK_DISMISS, function (event) {
-          if (_this8._ignoreBackdropClick) {
-            _this8._ignoreBackdropClick = false;
+          if (!callback) {
             return;
           }
-          if (event.target !== event.currentTarget) {
+
+          if (!doAnimate) {
+            callback();
             return;
           }
-          if (_this8._config.backdrop === 'static') {
-            _this8._element.focus();
-          } else {
-            _this8.hide();
-          }
-        });
 
-        if (doAnimate) {
-          Util.reflow(this._backdrop);
-        }
+          $(this._backdrop).one(Util.TRANSITION_END, callback).emulateTransitionEnd(BACKDROP_TRANSITION_DURATION);
+        } else if (!this._isShown && this._backdrop) {
+          $(this._backdrop).removeClass(ClassName.SHOW);
 
-        $(this._backdrop).addClass(ClassName.SHOW);
+          var callbackRemove = function callbackRemove() {
+            _this8._removeBackdrop();
+            if (callback) {
+              callback();
+            }
+          };
 
-        if (!callback) {
-          return;
-        }
-
-        if (!doAnimate) {
+          if (Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE)) {
+            $(this._backdrop).one(Util.TRANSITION_END, callbackRemove).emulateTransitionEnd(BACKDROP_TRANSITION_DURATION);
+          } else {
+            callbackRemove();
+          }
+        } else if (callback) {
           callback();
-          return;
         }
+      }
 
-        $(this._backdrop).one(Util.TRANSITION_END, callback).emulateTransitionEnd(BACKDROP_TRANSITION_DURATION);
-      } else if (!this._isShown && this._backdrop) {
-        $(this._backdrop).removeClass(ClassName.SHOW);
+      // ----------------------------------------------------------------------
+      // the following methods are used to handle overflowing modals
+      // todo (fat): these should probably be refactored out of modal.js
+      // ----------------------------------------------------------------------
 
-        var callbackRemove = function callbackRemove() {
-          _this8._removeBackdrop();
-          if (callback) {
-            callback();
-          }
-        };
+    }, {
+      key: '_adjustDialog',
+      value: function _adjustDialog() {
+        var isModalOverflowing = this._element.scrollHeight > document.documentElement.clientHeight;
 
-        if (Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE)) {
-          $(this._backdrop).one(Util.TRANSITION_END, callbackRemove).emulateTransitionEnd(BACKDROP_TRANSITION_DURATION);
-        } else {
-          callbackRemove();
+        if (!this._isBodyOverflowing && isModalOverflowing) {
+          this._element.style.paddingLeft = this._scrollbarWidth + 'px';
         }
-      } else if (callback) {
-        callback();
-      }
-    };
 
-    // ----------------------------------------------------------------------
-    // the following methods are used to handle overflowing modals
-    // todo (fat): these should probably be refactored out of modal.js
-    // ----------------------------------------------------------------------
-
-    Modal.prototype._adjustDialog = function _adjustDialog() {
-      var isModalOverflowing = this._element.scrollHeight > document.documentElement.clientHeight;
-
-      if (!this._isBodyOverflowing && isModalOverflowing) {
-        this._element.style.paddingLeft = this._scrollbarWidth + 'px';
+        if (this._isBodyOverflowing && !isModalOverflowing) {
+          this._element.style.paddingRight = this._scrollbarWidth + 'px';
+        }
       }
-
-      if (this._isBodyOverflowing && !isModalOverflowing) {
-        this._element.style.paddingRight = this._scrollbarWidth + 'px';
+    }, {
+      key: '_resetAdjustments',
+      value: function _resetAdjustments() {
+        this._element.style.paddingLeft = '';
+        this._element.style.paddingRight = '';
       }
-    };
-
-    Modal.prototype._resetAdjustments = function _resetAdjustments() {
-      this._element.style.paddingLeft = '';
-      this._element.style.paddingRight = '';
-    };
-
-    Modal.prototype._checkScrollbar = function _checkScrollbar() {
-      this._isBodyOverflowing = document.body.clientWidth < window.innerWidth;
-      this._scrollbarWidth = this._getScrollbarWidth();
-    };
-
-    Modal.prototype._setScrollbar = function _setScrollbar() {
-      var _this9 = this;
-
-      if (this._isBodyOverflowing) {
-        // Note: DOMNode.style.paddingRight returns the actual value or '' if not set
-        //   while $(DOMNode).css('padding-right') returns the calculated value or 0 if not set
-
-        // Adjust fixed content padding
+    }, {
+      key: '_checkScrollbar',
+      value: function _checkScrollbar() {
+        var rect = document.body.getBoundingClientRect();
+        this._isBodyOverflowing = rect.left + rect.right < window.innerWidth;
+        this._scrollbarWidth = this._getScrollbarWidth();
+      }
+    }, {
+      key: '_setScrollbar',
+      value: function _setScrollbar() {
+        var _this9 = this;
+
+        if (this._isBodyOverflowing) {
+          // Note: DOMNode.style.paddingRight returns the actual value or '' if not set
+          //   while $(DOMNode).css('padding-right') returns the calculated value or 0 if not set
+
+          // Adjust fixed content padding
+          $(Selector.FIXED_CONTENT).each(function (index, element) {
+            var actualPadding = $(element)[0].style.paddingRight;
+            var calculatedPadding = $(element).css('padding-right');
+            $(element).data('padding-right', actualPadding).css('padding-right', parseFloat(calculatedPadding) + _this9._scrollbarWidth + 'px');
+          });
+
+          // Adjust sticky content margin
+          $(Selector.STICKY_CONTENT).each(function (index, element) {
+            var actualMargin = $(element)[0].style.marginRight;
+            var calculatedMargin = $(element).css('margin-right');
+            $(element).data('margin-right', actualMargin).css('margin-right', parseFloat(calculatedMargin) - _this9._scrollbarWidth + 'px');
+          });
+
+          // Adjust navbar-toggler margin
+          $(Selector.NAVBAR_TOGGLER).each(function (index, element) {
+            var actualMargin = $(element)[0].style.marginRight;
+            var calculatedMargin = $(element).css('margin-right');
+            $(element).data('margin-right', actualMargin).css('margin-right', parseFloat(calculatedMargin) + _this9._scrollbarWidth + 'px');
+          });
+
+          // Adjust body padding
+          var actualPadding = document.body.style.paddingRight;
+          var calculatedPadding = $('body').css('padding-right');
+          $('body').data('padding-right', actualPadding).css('padding-right', parseFloat(calculatedPadding) + this._scrollbarWidth + 'px');
+        }
+      }
+    }, {
+      key: '_resetScrollbar',
+      value: function _resetScrollbar() {
+        // Restore fixed content padding
         $(Selector.FIXED_CONTENT).each(function (index, element) {
-          var actualPadding = $(element)[0].style.paddingRight;
-          var calculatedPadding = $(element).css('padding-right');
-          $(element).data('padding-right', actualPadding).css('padding-right', parseFloat(calculatedPadding) + _this9._scrollbarWidth + 'px');
+          var padding = $(element).data('padding-right');
+          if (typeof padding !== 'undefined') {
+            $(element).css('padding-right', padding).removeData('padding-right');
+          }
         });
 
-        // Adjust navbar-toggler margin
-        $(Selector.NAVBAR_TOGGLER).each(function (index, element) {
-          var actualMargin = $(element)[0].style.marginRight;
-          var calculatedMargin = $(element).css('margin-right');
-          $(element).data('margin-right', actualMargin).css('margin-right', parseFloat(calculatedMargin) + _this9._scrollbarWidth + 'px');
+        // Restore sticky content and navbar-toggler margin
+        $(Selector.STICKY_CONTENT + ', ' + Selector.NAVBAR_TOGGLER).each(function (index, element) {
+          var margin = $(element).data('margin-right');
+          if (typeof margin !== 'undefined') {
+            $(element).css('margin-right', margin).removeData('margin-right');
+          }
         });
 
-        // Adjust body padding
-        var actualPadding = document.body.style.paddingRight;
-        var calculatedPadding = $('body').css('padding-right');
-        $('body').data('padding-right', actualPadding).css('padding-right', parseFloat(calculatedPadding) + this._scrollbarWidth + 'px');
-      }
-    };
-
-    Modal.prototype._resetScrollbar = function _resetScrollbar() {
-      // Restore fixed content padding
-      $(Selector.FIXED_CONTENT).each(function (index, element) {
-        var padding = $(element).data('padding-right');
+        // Restore body padding
+        var padding = $('body').data('padding-right');
         if (typeof padding !== 'undefined') {
-          $(element).css('padding-right', padding).removeData('padding-right');
+          $('body').css('padding-right', padding).removeData('padding-right');
         }
-      });
+      }
+    }, {
+      key: '_getScrollbarWidth',
+      value: function _getScrollbarWidth() {
+        // thx d.walsh
+        var scrollDiv = document.createElement('div');
+        scrollDiv.className = ClassName.SCROLLBAR_MEASURER;
+        document.body.appendChild(scrollDiv);
+        var scrollbarWidth = scrollDiv.getBoundingClientRect().width - scrollDiv.clientWidth;
+        document.body.removeChild(scrollDiv);
+        return scrollbarWidth;
+      }
 
-      // Restore navbar-toggler margin
-      $(Selector.NAVBAR_TOGGLER).each(function (index, element) {
-        var margin = $(element).data('margin-right');
-        if (typeof margin !== 'undefined') {
-          $(element).css('margin-right', margin).removeData('margin-right');
-        }
-      });
+      // static
 
-      // Restore body padding
-      var padding = $('body').data('padding-right');
-      if (typeof padding !== 'undefined') {
-        $('body').css('padding-right', padding).removeData('padding-right');
-      }
-    };
-
-    Modal.prototype._getScrollbarWidth = function _getScrollbarWidth() {
-      // thx d.walsh
-      var scrollDiv = document.createElement('div');
-      scrollDiv.className = ClassName.SCROLLBAR_MEASURER;
-      document.body.appendChild(scrollDiv);
-      var scrollbarWidth = scrollDiv.getBoundingClientRect().width - scrollDiv.clientWidth;
-      document.body.removeChild(scrollDiv);
-      return scrollbarWidth;
-    };
-
-    // static
-
-    Modal._jQueryInterface = function _jQueryInterface(config, relatedTarget) {
-      return this.each(function () {
-        var data = $(this).data(DATA_KEY);
-        var _config = $.extend({}, Modal.Default, $(this).data(), (typeof config === 'undefined' ? 'undefined' : _typeof(config)) === 'object' && config);
-
-        if (!data) {
-          data = new Modal(this, _config);
-          $(this).data(DATA_KEY, data);
-        }
+    }], [{
+      key: '_jQueryInterface',
+      value: function _jQueryInterface(config, relatedTarget) {
+        return this.each(function () {
+          var data = $(this).data(DATA_KEY);
+          var _config = $.extend({}, Modal.Default, $(this).data(), (typeof config === 'undefined' ? 'undefined' : _typeof(config)) === 'object' && config);
 
-        if (typeof config === 'string') {
-          if (data[config] === undefined) {
-            throw new Error('No method named "' + config + '"');
+          if (!data) {
+            data = new Modal(this, _config);
+            $(this).data(DATA_KEY, data);
           }
-          data[config](relatedTarget);
-        } else if (_config.show) {
-          data.show(relatedTarget);
-        }
-      });
-    };
 
-    _createClass(Modal, null, [{
+          if (typeof config === 'string') {
+            if (typeof data[config] === 'undefined') {
+              throw new Error('No method named "' + config + '"');
+            }
+            data[config](relatedTarget);
+          } else if (_config.show) {
+            data.show(relatedTarget);
+          }
+        });
+      }
+    }, {
       key: 'VERSION',
       get: function get() {
         return VERSION;
diff --git a/js/dist/modal.js.map b/js/dist/modal.js.map
index 04913e26ee..3378029fa2 100644
--- a/js/dist/modal.js.map
+++ b/js/dist/modal.js.map
@@ -1 +1 @@
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Util from './util'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-beta): modal.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Modal = (($) => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                         = 'modal'\n  const VERSION                      = '4.0.0-beta'\n  const DATA_KEY                     = 'bs.modal'\n  const EVENT_KEY                    = `.${DATA_KEY}`\n  const DATA_API_KEY                 = '.data-api'\n  const JQUERY_NO_CONFLICT           = $.fn[NAME]\n  const TRANSITION_DURATION          = 300\n  const BACKDROP_TRANSITION_DURATION = 150\n  const ESCAPE_KEYCODE               = 27 // KeyboardEvent.which value for Escape (Esc) key\n\n  const Default = {\n    backdrop : true,\n    keyboard : true,\n    focus    : true,\n    show     : true\n  }\n\n  const DefaultType = {\n    backdrop : '(boolean|string)',\n    keyboard : 'boolean',\n    focus    : 'boolean',\n    show     : 'boolean'\n  }\n\n  const Event = {\n    HIDE              : `hide${EVENT_KEY}`,\n    HIDDEN            : `hidden${EVENT_KEY}`,\n    SHOW              : `show${EVENT_KEY}`,\n    SHOWN             : `shown${EVENT_KEY}`,\n    FOCUSIN           : `focusin${EVENT_KEY}`,\n    RESIZE            : `resize${EVENT_KEY}`,\n    CLICK_DISMISS     : `click.dismiss${EVENT_KEY}`,\n    KEYDOWN_DISMISS   : `keydown.dismiss${EVENT_KEY}`,\n    MOUSEUP_DISMISS   : `mouseup.dismiss${EVENT_KEY}`,\n    MOUSEDOWN_DISMISS : `mousedown.dismiss${EVENT_KEY}`,\n    CLICK_DATA_API    : `click${EVENT_KEY}${DATA_API_KEY}`\n  }\n\n  const ClassName = {\n    SCROLLBAR_MEASURER : 'modal-scrollbar-measure',\n    BACKDROP           : 'modal-backdrop',\n    OPEN               : 'modal-open',\n    FADE               : 'fade',\n    SHOW               : 'show'\n  }\n\n  const Selector = {\n    DIALOG             : '.modal-dialog',\n    DATA_TOGGLE        : '[data-toggle=\"modal\"]',\n    DATA_DISMISS       : '[data-dismiss=\"modal\"]',\n    FIXED_CONTENT      : '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top',\n    NAVBAR_TOGGLER     : '.navbar-toggler'\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Modal {\n\n    constructor(element, config) {\n      this._config              = this._getConfig(config)\n      this._element             = element\n      this._dialog              = $(element).find(Selector.DIALOG)[0]\n      this._backdrop            = null\n      this._isShown             = false\n      this._isBodyOverflowing   = false\n      this._ignoreBackdropClick = false\n      this._originalBodyPadding = 0\n      this._scrollbarWidth      = 0\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n    static get Default() {\n      return Default\n    }\n\n\n    // public\n\n    toggle(relatedTarget) {\n      return this._isShown ? this.hide() : this.show(relatedTarget)\n    }\n\n    show(relatedTarget) {\n      if (this._isTransitioning) {\n        return\n      }\n\n      if (Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE)) {\n        this._isTransitioning = true\n      }\n\n      const showEvent = $.Event(Event.SHOW, {\n        relatedTarget\n      })\n\n      $(this._element).trigger(showEvent)\n\n      if (this._isShown || showEvent.isDefaultPrevented()) {\n        return\n      }\n\n      this._isShown = true\n\n      this._checkScrollbar()\n      this._setScrollbar()\n\n      $(document.body).addClass(ClassName.OPEN)\n\n      this._setEscapeEvent()\n      this._setResizeEvent()\n\n      $(this._element).on(\n        Event.CLICK_DISMISS,\n        Selector.DATA_DISMISS,\n        (event) => this.hide(event)\n      )\n\n      $(this._dialog).on(Event.MOUSEDOWN_DISMISS, () => {\n        $(this._element).one(Event.MOUSEUP_DISMISS, (event) => {\n          if ($(event.target).is(this._element)) {\n            this._ignoreBackdropClick = true\n          }\n        })\n      })\n\n      this._showBackdrop(() => this._showElement(relatedTarget))\n    }\n\n    hide(event) {\n      if (event) {\n        event.preventDefault()\n      }\n\n      if (this._isTransitioning || !this._isShown) {\n        return\n      }\n\n      const transition = Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE)\n\n      if (transition) {\n        this._isTransitioning = true\n      }\n\n      const hideEvent = $.Event(Event.HIDE)\n\n      $(this._element).trigger(hideEvent)\n\n      if (!this._isShown || hideEvent.isDefaultPrevented()) {\n        return\n      }\n\n      this._isShown = false\n\n      this._setEscapeEvent()\n      this._setResizeEvent()\n\n      $(document).off(Event.FOCUSIN)\n\n      $(this._element).removeClass(ClassName.SHOW)\n\n      $(this._element).off(Event.CLICK_DISMISS)\n      $(this._dialog).off(Event.MOUSEDOWN_DISMISS)\n\n      if (transition) {\n\n        $(this._element)\n          .one(Util.TRANSITION_END, (event) => this._hideModal(event))\n          .emulateTransitionEnd(TRANSITION_DURATION)\n      } else {\n        this._hideModal()\n      }\n    }\n\n    dispose() {\n      $.removeData(this._element, DATA_KEY)\n\n      $(window, document, this._element, this._backdrop).off(EVENT_KEY)\n\n      this._config              = null\n      this._element             = null\n      this._dialog              = null\n      this._backdrop            = null\n      this._isShown             = null\n      this._isBodyOverflowing   = null\n      this._ignoreBackdropClick = null\n      this._scrollbarWidth      = null\n    }\n\n    handleUpdate() {\n      this._adjustDialog()\n    }\n\n    // private\n\n    _getConfig(config) {\n      config = $.extend({}, Default, config)\n      Util.typeCheckConfig(NAME, config, DefaultType)\n      return config\n    }\n\n    _showElement(relatedTarget) {\n      const transition = Util.supportsTransitionEnd() &&\n        $(this._element).hasClass(ClassName.FADE)\n\n      if (!this._element.parentNode ||\n         this._element.parentNode.nodeType !== Node.ELEMENT_NODE) {\n        // don't move modals dom position\n        document.body.appendChild(this._element)\n      }\n\n      this._element.style.display = 'block'\n      this._element.removeAttribute('aria-hidden')\n      this._element.scrollTop = 0\n\n      if (transition) {\n        Util.reflow(this._element)\n      }\n\n      $(this._element).addClass(ClassName.SHOW)\n\n      if (this._config.focus) {\n        this._enforceFocus()\n      }\n\n      const shownEvent = $.Event(Event.SHOWN, {\n        relatedTarget\n      })\n\n      const transitionComplete = () => {\n        if (this._config.focus) {\n          this._element.focus()\n        }\n        this._isTransitioning = false\n        $(this._element).trigger(shownEvent)\n      }\n\n      if (transition) {\n        $(this._dialog)\n          .one(Util.TRANSITION_END, transitionComplete)\n          .emulateTransitionEnd(TRANSITION_DURATION)\n      } else {\n        transitionComplete()\n      }\n    }\n\n    _enforceFocus() {\n      $(document)\n        .off(Event.FOCUSIN) // guard against infinite focus loop\n        .on(Event.FOCUSIN, (event) => {\n          if (document !== event.target &&\n              this._element !== event.target &&\n              !$(this._element).has(event.target).length) {\n            this._element.focus()\n          }\n        })\n    }\n\n    _setEscapeEvent() {\n      if (this._isShown && this._config.keyboard) {\n        $(this._element).on(Event.KEYDOWN_DISMISS, (event) => {\n          if (event.which === ESCAPE_KEYCODE) {\n            event.preventDefault()\n            this.hide()\n          }\n        })\n\n      } else if (!this._isShown) {\n        $(this._element).off(Event.KEYDOWN_DISMISS)\n      }\n    }\n\n    _setResizeEvent() {\n      if (this._isShown) {\n        $(window).on(Event.RESIZE, (event) => this.handleUpdate(event))\n      } else {\n        $(window).off(Event.RESIZE)\n      }\n    }\n\n    _hideModal() {\n      this._element.style.display = 'none'\n      this._element.setAttribute('aria-hidden', true)\n      this._isTransitioning = false\n      this._showBackdrop(() => {\n        $(document.body).removeClass(ClassName.OPEN)\n        this._resetAdjustments()\n        this._resetScrollbar()\n        $(this._element).trigger(Event.HIDDEN)\n      })\n    }\n\n    _removeBackdrop() {\n      if (this._backdrop) {\n        $(this._backdrop).remove()\n        this._backdrop = null\n      }\n    }\n\n    _showBackdrop(callback) {\n      const animate = $(this._element).hasClass(ClassName.FADE) ?\n        ClassName.FADE : ''\n\n      if (this._isShown && this._config.backdrop) {\n        const doAnimate = Util.supportsTransitionEnd() && animate\n\n        this._backdrop = document.createElement('div')\n        this._backdrop.className = ClassName.BACKDROP\n\n        if (animate) {\n          $(this._backdrop).addClass(animate)\n        }\n\n        $(this._backdrop).appendTo(document.body)\n\n        $(this._element).on(Event.CLICK_DISMISS, (event) => {\n          if (this._ignoreBackdropClick) {\n            this._ignoreBackdropClick = false\n            return\n          }\n          if (event.target !== event.currentTarget) {\n            return\n          }\n          if (this._config.backdrop === 'static') {\n            this._element.focus()\n          } else {\n            this.hide()\n          }\n        })\n\n        if (doAnimate) {\n          Util.reflow(this._backdrop)\n        }\n\n        $(this._backdrop).addClass(ClassName.SHOW)\n\n        if (!callback) {\n          return\n        }\n\n        if (!doAnimate) {\n          callback()\n          return\n        }\n\n        $(this._backdrop)\n          .one(Util.TRANSITION_END, callback)\n          .emulateTransitionEnd(BACKDROP_TRANSITION_DURATION)\n\n      } else if (!this._isShown && this._backdrop) {\n        $(this._backdrop).removeClass(ClassName.SHOW)\n\n        const callbackRemove = () => {\n          this._removeBackdrop()\n          if (callback) {\n            callback()\n          }\n        }\n\n        if (Util.supportsTransitionEnd() &&\n           $(this._element).hasClass(ClassName.FADE)) {\n          $(this._backdrop)\n            .one(Util.TRANSITION_END, callbackRemove)\n            .emulateTransitionEnd(BACKDROP_TRANSITION_DURATION)\n        } else {\n          callbackRemove()\n        }\n\n      } else if (callback) {\n        callback()\n      }\n    }\n\n\n    // ----------------------------------------------------------------------\n    // the following methods are used to handle overflowing modals\n    // todo (fat): these should probably be refactored out of modal.js\n    // ----------------------------------------------------------------------\n\n    _adjustDialog() {\n      const isModalOverflowing =\n        this._element.scrollHeight > document.documentElement.clientHeight\n\n      if (!this._isBodyOverflowing && isModalOverflowing) {\n        this._element.style.paddingLeft = `${this._scrollbarWidth}px`\n      }\n\n      if (this._isBodyOverflowing && !isModalOverflowing) {\n        this._element.style.paddingRight = `${this._scrollbarWidth}px`\n      }\n    }\n\n    _resetAdjustments() {\n      this._element.style.paddingLeft = ''\n      this._element.style.paddingRight = ''\n    }\n\n    _checkScrollbar() {\n      this._isBodyOverflowing = document.body.clientWidth < window.innerWidth\n      this._scrollbarWidth = this._getScrollbarWidth()\n    }\n\n    _setScrollbar() {\n      if (this._isBodyOverflowing) {\n        // Note: DOMNode.style.paddingRight returns the actual value or '' if not set\n        //   while $(DOMNode).css('padding-right') returns the calculated value or 0 if not set\n\n        // Adjust fixed content padding\n        $(Selector.FIXED_CONTENT).each((index, element) => {\n          const actualPadding = $(element)[0].style.paddingRight\n          const calculatedPadding = $(element).css('padding-right')\n          $(element).data('padding-right', actualPadding).css('padding-right', `${parseFloat(calculatedPadding) + this._scrollbarWidth}px`)\n        })\n\n        // Adjust navbar-toggler margin\n        $(Selector.NAVBAR_TOGGLER).each((index, element) => {\n          const actualMargin = $(element)[0].style.marginRight\n          const calculatedMargin = $(element).css('margin-right')\n          $(element).data('margin-right', actualMargin).css('margin-right', `${parseFloat(calculatedMargin) + this._scrollbarWidth}px`)\n        })\n\n        // Adjust body padding\n        const actualPadding = document.body.style.paddingRight\n        const calculatedPadding = $('body').css('padding-right')\n        $('body').data('padding-right', actualPadding).css('padding-right', `${parseFloat(calculatedPadding) + this._scrollbarWidth}px`)\n      }\n    }\n\n    _resetScrollbar() {\n      // Restore fixed content padding\n      $(Selector.FIXED_CONTENT).each((index, element) => {\n        const padding = $(element).data('padding-right')\n        if (typeof padding !== 'undefined') {\n          $(element).css('padding-right', padding).removeData('padding-right')\n        }\n      })\n\n      // Restore navbar-toggler margin\n      $(Selector.NAVBAR_TOGGLER).each((index, element) => {\n        const margin = $(element).data('margin-right')\n        if (typeof margin !== 'undefined') {\n          $(element).css('margin-right', margin).removeData('margin-right')\n        }\n      })\n\n      // Restore body padding\n      const padding = $('body').data('padding-right')\n      if (typeof padding !== 'undefined') {\n        $('body').css('padding-right', padding).removeData('padding-right')\n      }\n    }\n\n    _getScrollbarWidth() { // thx d.walsh\n      const scrollDiv = document.createElement('div')\n      scrollDiv.className = ClassName.SCROLLBAR_MEASURER\n      document.body.appendChild(scrollDiv)\n      const scrollbarWidth = scrollDiv.getBoundingClientRect().width - scrollDiv.clientWidth\n      document.body.removeChild(scrollDiv)\n      return scrollbarWidth\n    }\n\n\n    // static\n\n    static _jQueryInterface(config, relatedTarget) {\n      return this.each(function () {\n        let data      = $(this).data(DATA_KEY)\n        const _config = $.extend(\n          {},\n          Modal.Default,\n          $(this).data(),\n          typeof config === 'object' && config\n        )\n\n        if (!data) {\n          data = new Modal(this, _config)\n          $(this).data(DATA_KEY, data)\n        }\n\n        if (typeof config === 'string') {\n          if (data[config] === undefined) {\n            throw new Error(`No method named \"${config}\"`)\n          }\n          data[config](relatedTarget)\n        } else if (_config.show) {\n          data.show(relatedTarget)\n        }\n      })\n    }\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Data Api implementation\n   * ------------------------------------------------------------------------\n   */\n\n  $(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {\n    let target\n    const selector = Util.getSelectorFromElement(this)\n\n    if (selector) {\n      target = $(selector)[0]\n    }\n\n    const config = $(target).data(DATA_KEY) ?\n      'toggle' : $.extend({}, $(target).data(), $(this).data())\n\n    if (this.tagName === 'A' || this.tagName === 'AREA') {\n      event.preventDefault()\n    }\n\n    const $target = $(target).one(Event.SHOW, (showEvent) => {\n      if (showEvent.isDefaultPrevented()) {\n        // only register focus restorer if modal will actually get shown\n        return\n      }\n\n      $target.one(Event.HIDDEN, () => {\n        if ($(this).is(':visible')) {\n          this.focus()\n        }\n      })\n    })\n\n    Modal._jQueryInterface.call($(target), config, this)\n  })\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = Modal._jQueryInterface\n  $.fn[NAME].Constructor = Modal\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return Modal._jQueryInterface\n  }\n\n  return Modal\n\n})(jQuery)\n\nexport default Modal\n"]}
\ No newline at end of file
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$ from 'jquery'\nimport Util from './util'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-beta): modal.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Modal = (() => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                         = 'modal'\n  const VERSION                      = '4.0.0-beta'\n  const DATA_KEY                     = 'bs.modal'\n  const EVENT_KEY                    = `.${DATA_KEY}`\n  const DATA_API_KEY                 = '.data-api'\n  const JQUERY_NO_CONFLICT           = $.fn[NAME]\n  const TRANSITION_DURATION          = 300\n  const BACKDROP_TRANSITION_DURATION = 150\n  const ESCAPE_KEYCODE               = 27 // KeyboardEvent.which value for Escape (Esc) key\n\n  const Default = {\n    backdrop : true,\n    keyboard : true,\n    focus    : true,\n    show     : true\n  }\n\n  const DefaultType = {\n    backdrop : '(boolean|string)',\n    keyboard : 'boolean',\n    focus    : 'boolean',\n    show     : 'boolean'\n  }\n\n  const Event = {\n    HIDE              : `hide${EVENT_KEY}`,\n    HIDDEN            : `hidden${EVENT_KEY}`,\n    SHOW              : `show${EVENT_KEY}`,\n    SHOWN             : `shown${EVENT_KEY}`,\n    FOCUSIN           : `focusin${EVENT_KEY}`,\n    RESIZE            : `resize${EVENT_KEY}`,\n    CLICK_DISMISS     : `click.dismiss${EVENT_KEY}`,\n    KEYDOWN_DISMISS   : `keydown.dismiss${EVENT_KEY}`,\n    MOUSEUP_DISMISS   : `mouseup.dismiss${EVENT_KEY}`,\n    MOUSEDOWN_DISMISS : `mousedown.dismiss${EVENT_KEY}`,\n    CLICK_DATA_API    : `click${EVENT_KEY}${DATA_API_KEY}`\n  }\n\n  const ClassName = {\n    SCROLLBAR_MEASURER : 'modal-scrollbar-measure',\n    BACKDROP           : 'modal-backdrop',\n    OPEN               : 'modal-open',\n    FADE               : 'fade',\n    SHOW               : 'show'\n  }\n\n  const Selector = {\n    DIALOG             : '.modal-dialog',\n    DATA_TOGGLE        : '[data-toggle=\"modal\"]',\n    DATA_DISMISS       : '[data-dismiss=\"modal\"]',\n    FIXED_CONTENT      : '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top',\n    STICKY_CONTENT     : '.sticky-top',\n    NAVBAR_TOGGLER     : '.navbar-toggler'\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Modal {\n\n    constructor(element, config) {\n      this._config              = this._getConfig(config)\n      this._element             = element\n      this._dialog              = $(element).find(Selector.DIALOG)[0]\n      this._backdrop            = null\n      this._isShown             = false\n      this._isBodyOverflowing   = false\n      this._ignoreBackdropClick = false\n      this._originalBodyPadding = 0\n      this._scrollbarWidth      = 0\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n    static get Default() {\n      return Default\n    }\n\n\n    // public\n\n    toggle(relatedTarget) {\n      return this._isShown ? this.hide() : this.show(relatedTarget)\n    }\n\n    show(relatedTarget) {\n      if (this._isTransitioning) {\n        return\n      }\n\n      if (Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE)) {\n        this._isTransitioning = true\n      }\n\n      const showEvent = $.Event(Event.SHOW, {\n        relatedTarget\n      })\n\n      $(this._element).trigger(showEvent)\n\n      if (this._isShown || showEvent.isDefaultPrevented()) {\n        return\n      }\n\n      this._isShown = true\n\n      this._checkScrollbar()\n      this._setScrollbar()\n\n      this._adjustDialog()\n\n      $(document.body).addClass(ClassName.OPEN)\n\n      this._setEscapeEvent()\n      this._setResizeEvent()\n\n      $(this._element).on(\n        Event.CLICK_DISMISS,\n        Selector.DATA_DISMISS,\n        (event) => this.hide(event)\n      )\n\n      $(this._dialog).on(Event.MOUSEDOWN_DISMISS, () => {\n        $(this._element).one(Event.MOUSEUP_DISMISS, (event) => {\n          if ($(event.target).is(this._element)) {\n            this._ignoreBackdropClick = true\n          }\n        })\n      })\n\n      this._showBackdrop(() => this._showElement(relatedTarget))\n    }\n\n    hide(event) {\n      if (event) {\n        event.preventDefault()\n      }\n\n      if (this._isTransitioning || !this._isShown) {\n        return\n      }\n\n      const transition = Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE)\n\n      if (transition) {\n        this._isTransitioning = true\n      }\n\n      const hideEvent = $.Event(Event.HIDE)\n\n      $(this._element).trigger(hideEvent)\n\n      if (!this._isShown || hideEvent.isDefaultPrevented()) {\n        return\n      }\n\n      this._isShown = false\n\n      this._setEscapeEvent()\n      this._setResizeEvent()\n\n      $(document).off(Event.FOCUSIN)\n\n      $(this._element).removeClass(ClassName.SHOW)\n\n      $(this._element).off(Event.CLICK_DISMISS)\n      $(this._dialog).off(Event.MOUSEDOWN_DISMISS)\n\n      if (transition) {\n\n        $(this._element)\n          .one(Util.TRANSITION_END, (event) => this._hideModal(event))\n          .emulateTransitionEnd(TRANSITION_DURATION)\n      } else {\n        this._hideModal()\n      }\n    }\n\n    dispose() {\n      $.removeData(this._element, DATA_KEY)\n\n      $(window, document, this._element, this._backdrop).off(EVENT_KEY)\n\n      this._config              = null\n      this._element             = null\n      this._dialog              = null\n      this._backdrop            = null\n      this._isShown             = null\n      this._isBodyOverflowing   = null\n      this._ignoreBackdropClick = null\n      this._scrollbarWidth      = null\n    }\n\n    handleUpdate() {\n      this._adjustDialog()\n    }\n\n    // private\n\n    _getConfig(config) {\n      config = $.extend({}, Default, config)\n      Util.typeCheckConfig(NAME, config, DefaultType)\n      return config\n    }\n\n    _showElement(relatedTarget) {\n      const transition = Util.supportsTransitionEnd() &&\n        $(this._element).hasClass(ClassName.FADE)\n\n      if (!this._element.parentNode ||\n         this._element.parentNode.nodeType !== Node.ELEMENT_NODE) {\n        // don't move modals dom position\n        document.body.appendChild(this._element)\n      }\n\n      this._element.style.display = 'block'\n      this._element.removeAttribute('aria-hidden')\n      this._element.scrollTop = 0\n\n      if (transition) {\n        Util.reflow(this._element)\n      }\n\n      $(this._element).addClass(ClassName.SHOW)\n\n      if (this._config.focus) {\n        this._enforceFocus()\n      }\n\n      const shownEvent = $.Event(Event.SHOWN, {\n        relatedTarget\n      })\n\n      const transitionComplete = () => {\n        if (this._config.focus) {\n          this._element.focus()\n        }\n        this._isTransitioning = false\n        $(this._element).trigger(shownEvent)\n      }\n\n      if (transition) {\n        $(this._dialog)\n          .one(Util.TRANSITION_END, transitionComplete)\n          .emulateTransitionEnd(TRANSITION_DURATION)\n      } else {\n        transitionComplete()\n      }\n    }\n\n    _enforceFocus() {\n      $(document)\n        .off(Event.FOCUSIN) // guard against infinite focus loop\n        .on(Event.FOCUSIN, (event) => {\n          if (document !== event.target &&\n              this._element !== event.target &&\n              !$(this._element).has(event.target).length) {\n            this._element.focus()\n          }\n        })\n    }\n\n    _setEscapeEvent() {\n      if (this._isShown && this._config.keyboard) {\n        $(this._element).on(Event.KEYDOWN_DISMISS, (event) => {\n          if (event.which === ESCAPE_KEYCODE) {\n            event.preventDefault()\n            this.hide()\n          }\n        })\n\n      } else if (!this._isShown) {\n        $(this._element).off(Event.KEYDOWN_DISMISS)\n      }\n    }\n\n    _setResizeEvent() {\n      if (this._isShown) {\n        $(window).on(Event.RESIZE, (event) => this.handleUpdate(event))\n      } else {\n        $(window).off(Event.RESIZE)\n      }\n    }\n\n    _hideModal() {\n      this._element.style.display = 'none'\n      this._element.setAttribute('aria-hidden', true)\n      this._isTransitioning = false\n      this._showBackdrop(() => {\n        $(document.body).removeClass(ClassName.OPEN)\n        this._resetAdjustments()\n        this._resetScrollbar()\n        $(this._element).trigger(Event.HIDDEN)\n      })\n    }\n\n    _removeBackdrop() {\n      if (this._backdrop) {\n        $(this._backdrop).remove()\n        this._backdrop = null\n      }\n    }\n\n    _showBackdrop(callback) {\n      const animate = $(this._element).hasClass(ClassName.FADE) ?\n        ClassName.FADE : ''\n\n      if (this._isShown && this._config.backdrop) {\n        const doAnimate = Util.supportsTransitionEnd() && animate\n\n        this._backdrop = document.createElement('div')\n        this._backdrop.className = ClassName.BACKDROP\n\n        if (animate) {\n          $(this._backdrop).addClass(animate)\n        }\n\n        $(this._backdrop).appendTo(document.body)\n\n        $(this._element).on(Event.CLICK_DISMISS, (event) => {\n          if (this._ignoreBackdropClick) {\n            this._ignoreBackdropClick = false\n            return\n          }\n          if (event.target !== event.currentTarget) {\n            return\n          }\n          if (this._config.backdrop === 'static') {\n            this._element.focus()\n          } else {\n            this.hide()\n          }\n        })\n\n        if (doAnimate) {\n          Util.reflow(this._backdrop)\n        }\n\n        $(this._backdrop).addClass(ClassName.SHOW)\n\n        if (!callback) {\n          return\n        }\n\n        if (!doAnimate) {\n          callback()\n          return\n        }\n\n        $(this._backdrop)\n          .one(Util.TRANSITION_END, callback)\n          .emulateTransitionEnd(BACKDROP_TRANSITION_DURATION)\n\n      } else if (!this._isShown && this._backdrop) {\n        $(this._backdrop).removeClass(ClassName.SHOW)\n\n        const callbackRemove = () => {\n          this._removeBackdrop()\n          if (callback) {\n            callback()\n          }\n        }\n\n        if (Util.supportsTransitionEnd() &&\n           $(this._element).hasClass(ClassName.FADE)) {\n          $(this._backdrop)\n            .one(Util.TRANSITION_END, callbackRemove)\n            .emulateTransitionEnd(BACKDROP_TRANSITION_DURATION)\n        } else {\n          callbackRemove()\n        }\n\n      } else if (callback) {\n        callback()\n      }\n    }\n\n\n    // ----------------------------------------------------------------------\n    // the following methods are used to handle overflowing modals\n    // todo (fat): these should probably be refactored out of modal.js\n    // ----------------------------------------------------------------------\n\n    _adjustDialog() {\n      const isModalOverflowing =\n        this._element.scrollHeight > document.documentElement.clientHeight\n\n      if (!this._isBodyOverflowing && isModalOverflowing) {\n        this._element.style.paddingLeft = `${this._scrollbarWidth}px`\n      }\n\n      if (this._isBodyOverflowing && !isModalOverflowing) {\n        this._element.style.paddingRight = `${this._scrollbarWidth}px`\n      }\n    }\n\n    _resetAdjustments() {\n      this._element.style.paddingLeft = ''\n      this._element.style.paddingRight = ''\n    }\n\n    _checkScrollbar() {\n      const rect = document.body.getBoundingClientRect()\n      this._isBodyOverflowing = rect.left + rect.right < window.innerWidth\n      this._scrollbarWidth = this._getScrollbarWidth()\n    }\n\n    _setScrollbar() {\n      if (this._isBodyOverflowing) {\n        // Note: DOMNode.style.paddingRight returns the actual value or '' if not set\n        //   while $(DOMNode).css('padding-right') returns the calculated value or 0 if not set\n\n        // Adjust fixed content padding\n        $(Selector.FIXED_CONTENT).each((index, element) => {\n          const actualPadding = $(element)[0].style.paddingRight\n          const calculatedPadding = $(element).css('padding-right')\n          $(element).data('padding-right', actualPadding).css('padding-right', `${parseFloat(calculatedPadding) + this._scrollbarWidth}px`)\n        })\n\n        // Adjust sticky content margin\n        $(Selector.STICKY_CONTENT).each((index, element) => {\n          const actualMargin = $(element)[0].style.marginRight\n          const calculatedMargin = $(element).css('margin-right')\n          $(element).data('margin-right', actualMargin).css('margin-right', `${parseFloat(calculatedMargin) - this._scrollbarWidth}px`)\n        })\n\n        // Adjust navbar-toggler margin\n        $(Selector.NAVBAR_TOGGLER).each((index, element) => {\n          const actualMargin = $(element)[0].style.marginRight\n          const calculatedMargin = $(element).css('margin-right')\n          $(element).data('margin-right', actualMargin).css('margin-right', `${parseFloat(calculatedMargin) + this._scrollbarWidth}px`)\n        })\n\n        // Adjust body padding\n        const actualPadding = document.body.style.paddingRight\n        const calculatedPadding = $('body').css('padding-right')\n        $('body').data('padding-right', actualPadding).css('padding-right', `${parseFloat(calculatedPadding) + this._scrollbarWidth}px`)\n      }\n    }\n\n    _resetScrollbar() {\n      // Restore fixed content padding\n      $(Selector.FIXED_CONTENT).each((index, element) => {\n        const padding = $(element).data('padding-right')\n        if (typeof padding !== 'undefined') {\n          $(element).css('padding-right', padding).removeData('padding-right')\n        }\n      })\n\n      // Restore sticky content and navbar-toggler margin\n      $(`${Selector.STICKY_CONTENT}, ${Selector.NAVBAR_TOGGLER}`).each((index, element) => {\n        const margin = $(element).data('margin-right')\n        if (typeof margin !== 'undefined') {\n          $(element).css('margin-right', margin).removeData('margin-right')\n        }\n      })\n\n      // Restore body padding\n      const padding = $('body').data('padding-right')\n      if (typeof padding !== 'undefined') {\n        $('body').css('padding-right', padding).removeData('padding-right')\n      }\n    }\n\n    _getScrollbarWidth() { // thx d.walsh\n      const scrollDiv = document.createElement('div')\n      scrollDiv.className = ClassName.SCROLLBAR_MEASURER\n      document.body.appendChild(scrollDiv)\n      const scrollbarWidth = scrollDiv.getBoundingClientRect().width - scrollDiv.clientWidth\n      document.body.removeChild(scrollDiv)\n      return scrollbarWidth\n    }\n\n\n    // static\n\n    static _jQueryInterface(config, relatedTarget) {\n      return this.each(function () {\n        let data      = $(this).data(DATA_KEY)\n        const _config = $.extend(\n          {},\n          Modal.Default,\n          $(this).data(),\n          typeof config === 'object' && config\n        )\n\n        if (!data) {\n          data = new Modal(this, _config)\n          $(this).data(DATA_KEY, data)\n        }\n\n        if (typeof config === 'string') {\n          if (typeof data[config] === 'undefined') {\n            throw new Error(`No method named \"${config}\"`)\n          }\n          data[config](relatedTarget)\n        } else if (_config.show) {\n          data.show(relatedTarget)\n        }\n      })\n    }\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Data Api implementation\n   * ------------------------------------------------------------------------\n   */\n\n  $(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {\n    let target\n    const selector = Util.getSelectorFromElement(this)\n\n    if (selector) {\n      target = $(selector)[0]\n    }\n\n    const config = $(target).data(DATA_KEY) ?\n      'toggle' : $.extend({}, $(target).data(), $(this).data())\n\n    if (this.tagName === 'A' || this.tagName === 'AREA') {\n      event.preventDefault()\n    }\n\n    const $target = $(target).one(Event.SHOW, (showEvent) => {\n      if (showEvent.isDefaultPrevented()) {\n        // only register focus restorer if modal will actually get shown\n        return\n      }\n\n      $target.one(Event.HIDDEN, () => {\n        if ($(this).is(':visible')) {\n          this.focus()\n        }\n      })\n    })\n\n    Modal._jQueryInterface.call($(target), config, this)\n  })\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = Modal._jQueryInterface\n  $.fn[NAME].Constructor = Modal\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return Modal._jQueryInterface\n  }\n\n  return Modal\n\n})(jQuery)\n\nexport default Modal\n"]}
\ No newline at end of file
diff --git a/js/dist/popover.js b/js/dist/popover.js
index 901fc87cb9..b20459c2c3 100644
--- a/js/dist/popover.js
+++ b/js/dist/popover.js
@@ -1,3 +1,5 @@
+'use strict';
+
 var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
 
 var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
@@ -15,7 +17,7 @@ function _inherits(subClass, superClass) { if (typeof superClass !== "function"
  * --------------------------------------------------------------------------
  */
 
-var Popover = function ($) {
+var Popover = function () {
 
   /**
    * ------------------------------------------------------------------------
@@ -77,73 +79,85 @@ var Popover = function ($) {
     function Popover() {
       _classCallCheck(this, Popover);
 
-      return _possibleConstructorReturn(this, _Tooltip.apply(this, arguments));
+      return _possibleConstructorReturn(this, (Popover.__proto__ || Object.getPrototypeOf(Popover)).apply(this, arguments));
     }
 
-    // overrides
-
-    Popover.prototype.isWithContent = function isWithContent() {
-      return this.getTitle() || this._getContent();
-    };
-
-    Popover.prototype.addAttachmentClass = function addAttachmentClass(attachment) {
-      $(this.getTipElement()).addClass(CLASS_PREFIX + '-' + attachment);
-    };
+    _createClass(Popover, [{
+      key: 'isWithContent',
 
-    Popover.prototype.getTipElement = function getTipElement() {
-      return this.tip = this.tip || $(this.config.template)[0];
-    };
 
-    Popover.prototype.setContent = function setContent() {
-      var $tip = $(this.getTipElement());
+      // overrides
 
-      // we use append for html objects to maintain js events
-      this.setElementContent($tip.find(Selector.TITLE), this.getTitle());
-      this.setElementContent($tip.find(Selector.CONTENT), this._getContent());
+      value: function isWithContent() {
+        return this.getTitle() || this._getContent();
+      }
+    }, {
+      key: 'addAttachmentClass',
+      value: function addAttachmentClass(attachment) {
+        $(this.getTipElement()).addClass(CLASS_PREFIX + '-' + attachment);
+      }
+    }, {
+      key: 'getTipElement',
+      value: function getTipElement() {
+        this.tip = this.tip || $(this.config.template)[0];
+        return this.tip;
+      }
+    }, {
+      key: 'setContent',
+      value: function setContent() {
+        var $tip = $(this.getTipElement());
 
-      $tip.removeClass(ClassName.FADE + ' ' + ClassName.SHOW);
-    };
+        // we use append for html objects to maintain js events
+        this.setElementContent($tip.find(Selector.TITLE), this.getTitle());
+        this.setElementContent($tip.find(Selector.CONTENT), this._getContent());
 
-    // private
+        $tip.removeClass(ClassName.FADE + ' ' + ClassName.SHOW);
+      }
 
-    Popover.prototype._getContent = function _getContent() {
-      return this.element.getAttribute('data-content') || (typeof this.config.content === 'function' ? this.config.content.call(this.element) : this.config.content);
-    };
+      // private
 
-    Popover.prototype._cleanTipClass = function _cleanTipClass() {
-      var $tip = $(this.getTipElement());
-      var tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX);
-      if (tabClass !== null && tabClass.length > 0) {
-        $tip.removeClass(tabClass.join(''));
+    }, {
+      key: '_getContent',
+      value: function _getContent() {
+        return this.element.getAttribute('data-content') || (typeof this.config.content === 'function' ? this.config.content.call(this.element) : this.config.content);
+      }
+    }, {
+      key: '_cleanTipClass',
+      value: function _cleanTipClass() {
+        var $tip = $(this.getTipElement());
+        var tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX);
+        if (tabClass !== null && tabClass.length > 0) {
+          $tip.removeClass(tabClass.join(''));
+        }
       }
-    };
-
-    // static
 
-    Popover._jQueryInterface = function _jQueryInterface(config) {
-      return this.each(function () {
-        var data = $(this).data(DATA_KEY);
-        var _config = (typeof config === 'undefined' ? 'undefined' : _typeof(config)) === 'object' ? config : null;
+      // static
 
-        if (!data && /destroy|hide/.test(config)) {
-          return;
-        }
+    }], [{
+      key: '_jQueryInterface',
+      value: function _jQueryInterface(config) {
+        return this.each(function () {
+          var data = $(this).data(DATA_KEY);
+          var _config = (typeof config === 'undefined' ? 'undefined' : _typeof(config)) === 'object' ? config : null;
 
-        if (!data) {
-          data = new Popover(this, _config);
-          $(this).data(DATA_KEY, data);
-        }
+          if (!data && /destroy|hide/.test(config)) {
+            return;
+          }
 
-        if (typeof config === 'string') {
-          if (data[config] === undefined) {
-            throw new Error('No method named "' + config + '"');
+          if (!data) {
+            data = new Popover(this, _config);
+            $(this).data(DATA_KEY, data);
           }
-          data[config]();
-        }
-      });
-    };
 
-    _createClass(Popover, null, [{
+          if (typeof config === 'string') {
+            if (typeof data[config] === 'undefined') {
+              throw new Error('No method named "' + config + '"');
+            }
+            data[config]();
+          }
+        });
+      }
+    }, {
       key: 'VERSION',
 
 
diff --git a/js/dist/popover.js.map b/js/dist/popover.js.map
index 5c335ed337..ddf0e586c1 100644
--- a/js/dist/popover.js.map
+++ b/js/dist/popover.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/popover.js"],"names":["Popover","$","NAME","VERSION","DATA_KEY","EVENT_KEY","JQUERY_NO_CONFLICT","fn","CLASS_PREFIX","BSCLS_PREFIX_REGEX","RegExp","Default","extend","Tooltip","placement","trigger","content","template","DefaultType","ClassName","FADE","SHOW","Selector","TITLE","CONTENT","Event","HIDE","HIDDEN","SHOWN","INSERTED","CLICK","FOCUSIN","FOCUSOUT","MOUSEENTER","MOUSELEAVE","isWithContent","getTitle","_getContent","addAttachmentClass","attachment","getTipElement","addClass","tip","config","setContent","$tip","setElementContent","find","removeClass","element","getAttribute","call","_cleanTipClass","tabClass","attr","match","length","join","_jQueryInterface","each","data","_config","test","undefined","Error","Constructor","noConflict","jQuery"],"mappings":";;;;;;;;;;AAGA;;;;;;;AAOA,IAAMA,UAAW,UAACC,CAAD,EAAO;;AAGtB;;;;;;AAMA,MAAMC,OAAsB,SAA5B;AACA,MAAMC,UAAsB,YAA5B;AACA,MAAMC,WAAsB,YAA5B;AACA,MAAMC,kBAA0BD,QAAhC;AACA,MAAME,qBAAsBL,EAAEM,EAAF,CAAKL,IAAL,CAA5B;AACA,MAAMM,eAAsB,YAA5B;AACA,MAAMC,qBAAsB,IAAIC,MAAJ,aAAqBF,YAArB,WAAyC,GAAzC,CAA5B;;AAEA,MAAMG,UAAUV,EAAEW,MAAF,CAAS,EAAT,EAAaC,QAAQF,OAArB,EAA8B;AAC5CG,eAAY,OADgC;AAE5CC,aAAY,OAFgC;AAG5CC,aAAY,EAHgC;AAI5CC,cAAY,yCACA,2BADA,GAEA,kCAFA,GAGA;AAPgC,GAA9B,CAAhB;;AAUA,MAAMC,cAAcjB,EAAEW,MAAF,CAAS,EAAT,EAAaC,QAAQK,WAArB,EAAkC;AACpDF,aAAU;AAD0C,GAAlC,CAApB;;AAIA,MAAMG,YAAY;AAChBC,UAAO,MADS;AAEhBC,UAAO;AAFS,GAAlB;;AAKA,MAAMC,WAAW;AACfC,WAAU,iBADK;AAEfC,aAAU;AAFK,GAAjB;;AAKA,MAAMC,QAAQ;AACZC,mBAAoBrB,SADR;AAEZsB,uBAAsBtB,SAFV;AAGZgB,mBAAoBhB,SAHR;AAIZuB,qBAAqBvB,SAJT;AAKZwB,2BAAwBxB,SALZ;AAMZyB,qBAAqBzB,SANT;AAOZ0B,yBAAuB1B,SAPX;AAQZ2B,2BAAwB3B,SARZ;AASZ4B,+BAA0B5B,SATd;AAUZ6B,+BAA0B7B;;AAI5B;;;;;;AAdc,GAAd;AAzCsB,MA6DhBL,OA7DgB;AAAA;;AAAA;AAAA;;AAAA;AAAA;;AA+FpB;;AA/FoB,sBAiGpBmC,aAjGoB,4BAiGJ;AACd,aAAO,KAAKC,QAAL,MAAmB,KAAKC,WAAL,EAA1B;AACD,KAnGmB;;AAAA,sBAqGpBC,kBArGoB,+BAqGDC,UArGC,EAqGW;AAC7BtC,QAAE,KAAKuC,aAAL,EAAF,EAAwBC,QAAxB,CAAoCjC,YAApC,SAAoD+B,UAApD;AACD,KAvGmB;;AAAA,sBAyGpBC,aAzGoB,4BAyGJ;AACd,aAAO,KAAKE,GAAL,GAAW,KAAKA,GAAL,IAAYzC,EAAE,KAAK0C,MAAL,CAAY1B,QAAd,EAAwB,CAAxB,CAA9B;AACD,KA3GmB;;AAAA,sBA6GpB2B,UA7GoB,yBA6GP;AACX,UAAMC,OAAO5C,EAAE,KAAKuC,aAAL,EAAF,CAAb;;AAEA;AACA,WAAKM,iBAAL,CAAuBD,KAAKE,IAAL,CAAUzB,SAASC,KAAnB,CAAvB,EAAkD,KAAKa,QAAL,EAAlD;AACA,WAAKU,iBAAL,CAAuBD,KAAKE,IAAL,CAAUzB,SAASE,OAAnB,CAAvB,EAAoD,KAAKa,WAAL,EAApD;;AAEAQ,WAAKG,WAAL,CAAoB7B,UAAUC,IAA9B,SAAsCD,UAAUE,IAAhD;AACD,KArHmB;;AAuHpB;;AAvHoB,sBAyHpBgB,WAzHoB,0BAyHN;AACZ,aAAO,KAAKY,OAAL,CAAaC,YAAb,CAA0B,cAA1B,MACD,OAAO,KAAKP,MAAL,CAAY3B,OAAnB,KAA+B,UAA/B,GACE,KAAK2B,MAAL,CAAY3B,OAAZ,CAAoBmC,IAApB,CAAyB,KAAKF,OAA9B,CADF,GAEE,KAAKN,MAAL,CAAY3B,OAHb,CAAP;AAID,KA9HmB;;AAAA,sBAgIpBoC,cAhIoB,6BAgIH;AACf,UAAMP,OAAO5C,EAAE,KAAKuC,aAAL,EAAF,CAAb;AACA,UAAMa,WAAWR,KAAKS,IAAL,CAAU,OAAV,EAAmBC,KAAnB,CAAyB9C,kBAAzB,CAAjB;AACA,UAAI4C,aAAa,IAAb,IAAqBA,SAASG,MAAT,GAAkB,CAA3C,EAA8C;AAC5CX,aAAKG,WAAL,CAAiBK,SAASI,IAAT,CAAc,EAAd,CAAjB;AACD;AACF,KAtImB;;AAyIpB;;AAzIoB,YA2IbC,gBA3Ia,6BA2IIf,MA3IJ,EA2IY;AAC9B,aAAO,KAAKgB,IAAL,CAAU,YAAY;AAC3B,YAAIC,OAAY3D,EAAE,IAAF,EAAQ2D,IAAR,CAAaxD,QAAb,CAAhB;AACA,YAAMyD,UAAU,QAAOlB,MAAP,yCAAOA,MAAP,OAAkB,QAAlB,GAA6BA,MAA7B,GAAsC,IAAtD;;AAEA,YAAI,CAACiB,IAAD,IAAS,eAAeE,IAAf,CAAoBnB,MAApB,CAAb,EAA0C;AACxC;AACD;;AAED,YAAI,CAACiB,IAAL,EAAW;AACTA,iBAAO,IAAI5D,OAAJ,CAAY,IAAZ,EAAkB6D,OAAlB,CAAP;AACA5D,YAAE,IAAF,EAAQ2D,IAAR,CAAaxD,QAAb,EAAuBwD,IAAvB;AACD;;AAED,YAAI,OAAOjB,MAAP,KAAkB,QAAtB,EAAgC;AAC9B,cAAIiB,KAAKjB,MAAL,MAAiBoB,SAArB,EAAgC;AAC9B,kBAAM,IAAIC,KAAJ,uBAA8BrB,MAA9B,OAAN;AACD;AACDiB,eAAKjB,MAAL;AACD;AACF,OAnBM,CAAP;AAoBD,KAhKmB;;AAAA;AAAA;;;AAgEpB;;AAhEoB,0BAkEC;AACnB,eAAOxC,OAAP;AACD;AApEmB;AAAA;AAAA,0BAsEC;AACnB,eAAOQ,OAAP;AACD;AAxEmB;AAAA;AAAA,0BA0EF;AAChB,eAAOT,IAAP;AACD;AA5EmB;AAAA;AAAA,0BA8EE;AACpB,eAAOE,QAAP;AACD;AAhFmB;AAAA;AAAA,0BAkFD;AACjB,eAAOqB,KAAP;AACD;AApFmB;AAAA;AAAA,0BAsFG;AACrB,eAAOpB,SAAP;AACD;AAxFmB;AAAA;AAAA,0BA0FK;AACvB,eAAOa,WAAP;AACD;AA5FmB;;AAAA;AAAA,IA6DAL,OA7DA;;AAoKtB;;;;;;AAMAZ,IAAEM,EAAF,CAAKL,IAAL,IAAyBF,QAAQ0D,gBAAjC;AACAzD,IAAEM,EAAF,CAAKL,IAAL,EAAW+D,WAAX,GAAyBjE,OAAzB;AACAC,IAAEM,EAAF,CAAKL,IAAL,EAAWgE,UAAX,GAAyB,YAAY;AACnCjE,MAAEM,EAAF,CAAKL,IAAL,IAAaI,kBAAb;AACA,WAAON,QAAQ0D,gBAAf;AACD,GAHD;;AAKA,SAAO1D,OAAP;AAED,CAnLe,CAmLbmE,MAnLa,CAAhB","file":"popover.js","sourcesContent":["import Tooltip from './tooltip'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-beta): popover.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Popover = (($) => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                = 'popover'\n  const VERSION             = '4.0.0-beta'\n  const DATA_KEY            = 'bs.popover'\n  const EVENT_KEY           = `.${DATA_KEY}`\n  const JQUERY_NO_CONFLICT  = $.fn[NAME]\n  const CLASS_PREFIX        = 'bs-popover'\n  const BSCLS_PREFIX_REGEX  = new RegExp(`(^|\\\\s)${CLASS_PREFIX}\\\\S+`, 'g')\n\n  const Default = $.extend({}, Tooltip.Default, {\n    placement : 'right',\n    trigger   : 'click',\n    content   : '',\n    template  : '<div class=\"popover\" role=\"tooltip\">'\n              + '<div class=\"arrow\"></div>'\n              + '<h3 class=\"popover-header\"></h3>'\n              + '<div class=\"popover-body\"></div></div>'\n  })\n\n  const DefaultType = $.extend({}, Tooltip.DefaultType, {\n    content : '(string|element|function)'\n  })\n\n  const ClassName = {\n    FADE : 'fade',\n    SHOW : 'show'\n  }\n\n  const Selector = {\n    TITLE   : '.popover-header',\n    CONTENT : '.popover-body'\n  }\n\n  const Event = {\n    HIDE       : `hide${EVENT_KEY}`,\n    HIDDEN     : `hidden${EVENT_KEY}`,\n    SHOW       : `show${EVENT_KEY}`,\n    SHOWN      : `shown${EVENT_KEY}`,\n    INSERTED   : `inserted${EVENT_KEY}`,\n    CLICK      : `click${EVENT_KEY}`,\n    FOCUSIN    : `focusin${EVENT_KEY}`,\n    FOCUSOUT   : `focusout${EVENT_KEY}`,\n    MOUSEENTER : `mouseenter${EVENT_KEY}`,\n    MOUSELEAVE : `mouseleave${EVENT_KEY}`\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Popover extends Tooltip {\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n    static get Default() {\n      return Default\n    }\n\n    static get NAME() {\n      return NAME\n    }\n\n    static get DATA_KEY() {\n      return DATA_KEY\n    }\n\n    static get Event() {\n      return Event\n    }\n\n    static get EVENT_KEY() {\n      return EVENT_KEY\n    }\n\n    static get DefaultType() {\n      return DefaultType\n    }\n\n\n    // overrides\n\n    isWithContent() {\n      return this.getTitle() || this._getContent()\n    }\n\n    addAttachmentClass(attachment) {\n      $(this.getTipElement()).addClass(`${CLASS_PREFIX}-${attachment}`)\n    }\n\n    getTipElement() {\n      return this.tip = this.tip || $(this.config.template)[0]\n    }\n\n    setContent() {\n      const $tip = $(this.getTipElement())\n\n      // we use append for html objects to maintain js events\n      this.setElementContent($tip.find(Selector.TITLE), this.getTitle())\n      this.setElementContent($tip.find(Selector.CONTENT), this._getContent())\n\n      $tip.removeClass(`${ClassName.FADE} ${ClassName.SHOW}`)\n    }\n\n    // private\n\n    _getContent() {\n      return this.element.getAttribute('data-content')\n        || (typeof this.config.content === 'function' ?\n              this.config.content.call(this.element) :\n              this.config.content)\n    }\n\n    _cleanTipClass() {\n      const $tip = $(this.getTipElement())\n      const tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX)\n      if (tabClass !== null && tabClass.length > 0) {\n        $tip.removeClass(tabClass.join(''))\n      }\n    }\n\n\n    // static\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        let data      = $(this).data(DATA_KEY)\n        const _config = typeof config === 'object' ? config : null\n\n        if (!data && /destroy|hide/.test(config)) {\n          return\n        }\n\n        if (!data) {\n          data = new Popover(this, _config)\n          $(this).data(DATA_KEY, data)\n        }\n\n        if (typeof config === 'string') {\n          if (data[config] === undefined) {\n            throw new Error(`No method named \"${config}\"`)\n          }\n          data[config]()\n        }\n      })\n    }\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = Popover._jQueryInterface\n  $.fn[NAME].Constructor = Popover\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return Popover._jQueryInterface\n  }\n\n  return Popover\n\n})(jQuery)\n\nexport default Popover\n"]}
\ No newline at end of file
+{"version":3,"sources":["../src/popover.js"],"names":["Popover","NAME","VERSION","DATA_KEY","EVENT_KEY","JQUERY_NO_CONFLICT","$","fn","CLASS_PREFIX","BSCLS_PREFIX_REGEX","RegExp","Default","extend","Tooltip","placement","trigger","content","template","DefaultType","ClassName","FADE","SHOW","Selector","TITLE","CONTENT","Event","HIDE","HIDDEN","SHOWN","INSERTED","CLICK","FOCUSIN","FOCUSOUT","MOUSEENTER","MOUSELEAVE","getTitle","_getContent","attachment","getTipElement","addClass","tip","config","$tip","setElementContent","find","removeClass","element","getAttribute","call","tabClass","attr","match","length","join","each","data","_config","test","Error","_jQueryInterface","Constructor","noConflict","jQuery"],"mappings":";;;;;;;;;;;;AAIA;;;;;;;AAOA,IAAMA,UAAW,YAAM;;AAGrB;;;;;;AAMA,MAAMC,OAAsB,SAA5B;AACA,MAAMC,UAAsB,YAA5B;AACA,MAAMC,WAAsB,YAA5B;AACA,MAAMC,kBAA0BD,QAAhC;AACA,MAAME,qBAAsBC,EAAEC,EAAF,CAAKN,IAAL,CAA5B;AACA,MAAMO,eAAsB,YAA5B;AACA,MAAMC,qBAAsB,IAAIC,MAAJ,aAAqBF,YAArB,WAAyC,GAAzC,CAA5B;;AAEA,MAAMG,UAAUL,EAAEM,MAAF,CAAS,EAAT,EAAaC,QAAQF,OAArB,EAA8B;AAC5CG,eAAY,OADgC;AAE5CC,aAAY,OAFgC;AAG5CC,aAAY,EAHgC;AAI5CC,cAAY,yCACA,2BADA,GAEA,kCAFA,GAGA;AAPgC,GAA9B,CAAhB;;AAUA,MAAMC,cAAcZ,EAAEM,MAAF,CAAS,EAAT,EAAaC,QAAQK,WAArB,EAAkC;AACpDF,aAAU;AAD0C,GAAlC,CAApB;;AAIA,MAAMG,YAAY;AAChBC,UAAO,MADS;AAEhBC,UAAO;AAFS,GAAlB;;AAKA,MAAMC,WAAW;AACfC,WAAU,iBADK;AAEfC,aAAU;AAFK,GAAjB;;AAKA,MAAMC,QAAQ;AACZC,mBAAoBtB,SADR;AAEZuB,uBAAsBvB,SAFV;AAGZiB,mBAAoBjB,SAHR;AAIZwB,qBAAqBxB,SAJT;AAKZyB,2BAAwBzB,SALZ;AAMZ0B,qBAAqB1B,SANT;AAOZ2B,yBAAuB3B,SAPX;AAQZ4B,2BAAwB5B,SARZ;AASZ6B,+BAA0B7B,SATd;AAUZ8B,+BAA0B9B;;AAI5B;;;;;;AAdc,GAAd;AAzCqB,MA6DfJ,OA7De;AAAA;;AAAA;AAAA;;AAAA;AAAA;;AAAA;AAAA;;;AA+FnB;;AA/FmB,sCAiGH;AACd,eAAO,KAAKmC,QAAL,MAAmB,KAAKC,WAAL,EAA1B;AACD;AAnGkB;AAAA;AAAA,yCAqGAC,UArGA,EAqGY;AAC7B/B,UAAE,KAAKgC,aAAL,EAAF,EAAwBC,QAAxB,CAAoC/B,YAApC,SAAoD6B,UAApD;AACD;AAvGkB;AAAA;AAAA,sCAyGH;AACd,aAAKG,GAAL,GAAW,KAAKA,GAAL,IAAYlC,EAAE,KAAKmC,MAAL,CAAYxB,QAAd,EAAwB,CAAxB,CAAvB;AACA,eAAO,KAAKuB,GAAZ;AACD;AA5GkB;AAAA;AAAA,mCA8GN;AACX,YAAME,OAAOpC,EAAE,KAAKgC,aAAL,EAAF,CAAb;;AAEA;AACA,aAAKK,iBAAL,CAAuBD,KAAKE,IAAL,CAAUtB,SAASC,KAAnB,CAAvB,EAAkD,KAAKY,QAAL,EAAlD;AACA,aAAKQ,iBAAL,CAAuBD,KAAKE,IAAL,CAAUtB,SAASE,OAAnB,CAAvB,EAAoD,KAAKY,WAAL,EAApD;;AAEAM,aAAKG,WAAL,CAAoB1B,UAAUC,IAA9B,SAAsCD,UAAUE,IAAhD;AACD;;AAED;;AAxHmB;AAAA;AAAA,oCA0HL;AACZ,eAAO,KAAKyB,OAAL,CAAaC,YAAb,CAA0B,cAA1B,MACD,OAAO,KAAKN,MAAL,CAAYzB,OAAnB,KAA+B,UAA/B,GACE,KAAKyB,MAAL,CAAYzB,OAAZ,CAAoBgC,IAApB,CAAyB,KAAKF,OAA9B,CADF,GAEE,KAAKL,MAAL,CAAYzB,OAHb,CAAP;AAID;AA/HkB;AAAA;AAAA,uCAiIF;AACf,YAAM0B,OAAOpC,EAAE,KAAKgC,aAAL,EAAF,CAAb;AACA,YAAMW,WAAWP,KAAKQ,IAAL,CAAU,OAAV,EAAmBC,KAAnB,CAAyB1C,kBAAzB,CAAjB;AACA,YAAIwC,aAAa,IAAb,IAAqBA,SAASG,MAAT,GAAkB,CAA3C,EAA8C;AAC5CV,eAAKG,WAAL,CAAiBI,SAASI,IAAT,CAAc,EAAd,CAAjB;AACD;AACF;;AAGD;;AA1ImB;AAAA;AAAA,uCA4IKZ,MA5IL,EA4Ia;AAC9B,eAAO,KAAKa,IAAL,CAAU,YAAY;AAC3B,cAAIC,OAAYjD,EAAE,IAAF,EAAQiD,IAAR,CAAapD,QAAb,CAAhB;AACA,cAAMqD,UAAU,QAAOf,MAAP,yCAAOA,MAAP,OAAkB,QAAlB,GAA6BA,MAA7B,GAAsC,IAAtD;;AAEA,cAAI,CAACc,IAAD,IAAS,eAAeE,IAAf,CAAoBhB,MAApB,CAAb,EAA0C;AACxC;AACD;;AAED,cAAI,CAACc,IAAL,EAAW;AACTA,mBAAO,IAAIvD,OAAJ,CAAY,IAAZ,EAAkBwD,OAAlB,CAAP;AACAlD,cAAE,IAAF,EAAQiD,IAAR,CAAapD,QAAb,EAAuBoD,IAAvB;AACD;;AAED,cAAI,OAAOd,MAAP,KAAkB,QAAtB,EAAgC;AAC9B,gBAAI,OAAOc,KAAKd,MAAL,CAAP,KAAwB,WAA5B,EAAyC;AACvC,oBAAM,IAAIiB,KAAJ,uBAA8BjB,MAA9B,OAAN;AACD;AACDc,iBAAKd,MAAL;AACD;AACF,SAnBM,CAAP;AAoBD;AAjKkB;AAAA;;;AAgEnB;;AAhEmB,0BAkEE;AACnB,eAAOvC,OAAP;AACD;AApEkB;AAAA;AAAA,0BAsEE;AACnB,eAAOS,OAAP;AACD;AAxEkB;AAAA;AAAA,0BA0ED;AAChB,eAAOV,IAAP;AACD;AA5EkB;AAAA;AAAA,0BA8EG;AACpB,eAAOE,QAAP;AACD;AAhFkB;AAAA;AAAA,0BAkFA;AACjB,eAAOsB,KAAP;AACD;AApFkB;AAAA;AAAA,0BAsFI;AACrB,eAAOrB,SAAP;AACD;AAxFkB;AAAA;AAAA,0BA0FM;AACvB,eAAOc,WAAP;AACD;AA5FkB;;AAAA;AAAA,IA6DCL,OA7DD;;AAqKrB;;;;;;AAMAP,IAAEC,EAAF,CAAKN,IAAL,IAAyBD,QAAQ2D,gBAAjC;AACArD,IAAEC,EAAF,CAAKN,IAAL,EAAW2D,WAAX,GAAyB5D,OAAzB;AACAM,IAAEC,EAAF,CAAKN,IAAL,EAAW4D,UAAX,GAAyB,YAAY;AACnCvD,MAAEC,EAAF,CAAKN,IAAL,IAAaI,kBAAb;AACA,WAAOL,QAAQ2D,gBAAf;AACD,GAHD;;AAKA,SAAO3D,OAAP;AAED,CApLe,CAoLb8D,MApLa,CAAhB","file":"popover.js","sourcesContent":["import $ from 'jquery'\nimport Tooltip from './tooltip'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-beta): popover.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Popover = (() => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                = 'popover'\n  const VERSION             = '4.0.0-beta'\n  const DATA_KEY            = 'bs.popover'\n  const EVENT_KEY           = `.${DATA_KEY}`\n  const JQUERY_NO_CONFLICT  = $.fn[NAME]\n  const CLASS_PREFIX        = 'bs-popover'\n  const BSCLS_PREFIX_REGEX  = new RegExp(`(^|\\\\s)${CLASS_PREFIX}\\\\S+`, 'g')\n\n  const Default = $.extend({}, Tooltip.Default, {\n    placement : 'right',\n    trigger   : 'click',\n    content   : '',\n    template  : '<div class=\"popover\" role=\"tooltip\">'\n              + '<div class=\"arrow\"></div>'\n              + '<h3 class=\"popover-header\"></h3>'\n              + '<div class=\"popover-body\"></div></div>'\n  })\n\n  const DefaultType = $.extend({}, Tooltip.DefaultType, {\n    content : '(string|element|function)'\n  })\n\n  const ClassName = {\n    FADE : 'fade',\n    SHOW : 'show'\n  }\n\n  const Selector = {\n    TITLE   : '.popover-header',\n    CONTENT : '.popover-body'\n  }\n\n  const Event = {\n    HIDE       : `hide${EVENT_KEY}`,\n    HIDDEN     : `hidden${EVENT_KEY}`,\n    SHOW       : `show${EVENT_KEY}`,\n    SHOWN      : `shown${EVENT_KEY}`,\n    INSERTED   : `inserted${EVENT_KEY}`,\n    CLICK      : `click${EVENT_KEY}`,\n    FOCUSIN    : `focusin${EVENT_KEY}`,\n    FOCUSOUT   : `focusout${EVENT_KEY}`,\n    MOUSEENTER : `mouseenter${EVENT_KEY}`,\n    MOUSELEAVE : `mouseleave${EVENT_KEY}`\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Popover extends Tooltip {\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n    static get Default() {\n      return Default\n    }\n\n    static get NAME() {\n      return NAME\n    }\n\n    static get DATA_KEY() {\n      return DATA_KEY\n    }\n\n    static get Event() {\n      return Event\n    }\n\n    static get EVENT_KEY() {\n      return EVENT_KEY\n    }\n\n    static get DefaultType() {\n      return DefaultType\n    }\n\n\n    // overrides\n\n    isWithContent() {\n      return this.getTitle() || this._getContent()\n    }\n\n    addAttachmentClass(attachment) {\n      $(this.getTipElement()).addClass(`${CLASS_PREFIX}-${attachment}`)\n    }\n\n    getTipElement() {\n      this.tip = this.tip || $(this.config.template)[0]\n      return this.tip\n    }\n\n    setContent() {\n      const $tip = $(this.getTipElement())\n\n      // we use append for html objects to maintain js events\n      this.setElementContent($tip.find(Selector.TITLE), this.getTitle())\n      this.setElementContent($tip.find(Selector.CONTENT), this._getContent())\n\n      $tip.removeClass(`${ClassName.FADE} ${ClassName.SHOW}`)\n    }\n\n    // private\n\n    _getContent() {\n      return this.element.getAttribute('data-content')\n        || (typeof this.config.content === 'function' ?\n              this.config.content.call(this.element) :\n              this.config.content)\n    }\n\n    _cleanTipClass() {\n      const $tip = $(this.getTipElement())\n      const tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX)\n      if (tabClass !== null && tabClass.length > 0) {\n        $tip.removeClass(tabClass.join(''))\n      }\n    }\n\n\n    // static\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        let data      = $(this).data(DATA_KEY)\n        const _config = typeof config === 'object' ? config : null\n\n        if (!data && /destroy|hide/.test(config)) {\n          return\n        }\n\n        if (!data) {\n          data = new Popover(this, _config)\n          $(this).data(DATA_KEY, data)\n        }\n\n        if (typeof config === 'string') {\n          if (typeof data[config] === 'undefined') {\n            throw new Error(`No method named \"${config}\"`)\n          }\n          data[config]()\n        }\n      })\n    }\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = Popover._jQueryInterface\n  $.fn[NAME].Constructor = Popover\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return Popover._jQueryInterface\n  }\n\n  return Popover\n\n})(jQuery)\n\nexport default Popover\n"]}
\ No newline at end of file
diff --git a/js/dist/scrollspy.js b/js/dist/scrollspy.js
index 11d9981bf9..c1365a7413 100644
--- a/js/dist/scrollspy.js
+++ b/js/dist/scrollspy.js
@@ -1,3 +1,5 @@
+'use strict';
+
 var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
 
 var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
@@ -11,7 +13,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
  * --------------------------------------------------------------------------
  */
 
-var ScrollSpy = function ($) {
+var ScrollSpy = function () {
 
   /**
    * ------------------------------------------------------------------------
@@ -97,182 +99,197 @@ var ScrollSpy = function ($) {
 
     // getters
 
-    // public
+    _createClass(ScrollSpy, [{
+      key: 'refresh',
 
-    ScrollSpy.prototype.refresh = function refresh() {
-      var _this2 = this;
 
-      var autoMethod = this._scrollElement !== this._scrollElement.window ? OffsetMethod.POSITION : OffsetMethod.OFFSET;
+      // public
 
-      var offsetMethod = this._config.method === 'auto' ? autoMethod : this._config.method;
+      value: function refresh() {
+        var _this2 = this;
 
-      var offsetBase = offsetMethod === OffsetMethod.POSITION ? this._getScrollTop() : 0;
+        var autoMethod = this._scrollElement !== this._scrollElement.window ? OffsetMethod.POSITION : OffsetMethod.OFFSET;
 
-      this._offsets = [];
-      this._targets = [];
+        var offsetMethod = this._config.method === 'auto' ? autoMethod : this._config.method;
 
-      this._scrollHeight = this._getScrollHeight();
+        var offsetBase = offsetMethod === OffsetMethod.POSITION ? this._getScrollTop() : 0;
 
-      var targets = $.makeArray($(this._selector));
+        this._offsets = [];
+        this._targets = [];
 
-      targets.map(function (element) {
-        var target = void 0;
-        var targetSelector = Util.getSelectorFromElement(element);
+        this._scrollHeight = this._getScrollHeight();
 
-        if (targetSelector) {
-          target = $(targetSelector)[0];
-        }
-
-        if (target) {
-          var targetBCR = target.getBoundingClientRect();
-          if (targetBCR.width || targetBCR.height) {
-            // todo (fat): remove sketch reliance on jQuery position/offset
-            return [$(target)[offsetMethod]().top + offsetBase, targetSelector];
-          }
-        }
-        return null;
-      }).filter(function (item) {
-        return item;
-      }).sort(function (a, b) {
-        return a[0] - b[0];
-      }).forEach(function (item) {
-        _this2._offsets.push(item[0]);
-        _this2._targets.push(item[1]);
-      });
-    };
-
-    ScrollSpy.prototype.dispose = function dispose() {
-      $.removeData(this._element, DATA_KEY);
-      $(this._scrollElement).off(EVENT_KEY);
-
-      this._element = null;
-      this._scrollElement = null;
-      this._config = null;
-      this._selector = null;
-      this._offsets = null;
-      this._targets = null;
-      this._activeTarget = null;
-      this._scrollHeight = null;
-    };
+        var targets = $.makeArray($(this._selector));
 
-    // private
+        targets.map(function (element) {
+          var target = void 0;
+          var targetSelector = Util.getSelectorFromElement(element);
 
-    ScrollSpy.prototype._getConfig = function _getConfig(config) {
-      config = $.extend({}, Default, config);
+          if (targetSelector) {
+            target = $(targetSelector)[0];
+          }
 
-      if (typeof config.target !== 'string') {
-        var id = $(config.target).attr('id');
-        if (!id) {
-          id = Util.getUID(NAME);
-          $(config.target).attr('id', id);
-        }
-        config.target = '#' + id;
+          if (target) {
+            var targetBCR = target.getBoundingClientRect();
+            if (targetBCR.width || targetBCR.height) {
+              // todo (fat): remove sketch reliance on jQuery position/offset
+              return [$(target)[offsetMethod]().top + offsetBase, targetSelector];
+            }
+          }
+          return null;
+        }).filter(function (item) {
+          return item;
+        }).sort(function (a, b) {
+          return a[0] - b[0];
+        }).forEach(function (item) {
+          _this2._offsets.push(item[0]);
+          _this2._targets.push(item[1]);
+        });
+      }
+    }, {
+      key: 'dispose',
+      value: function dispose() {
+        $.removeData(this._element, DATA_KEY);
+        $(this._scrollElement).off(EVENT_KEY);
+
+        this._element = null;
+        this._scrollElement = null;
+        this._config = null;
+        this._selector = null;
+        this._offsets = null;
+        this._targets = null;
+        this._activeTarget = null;
+        this._scrollHeight = null;
       }
 
-      Util.typeCheckConfig(NAME, config, DefaultType);
-
-      return config;
-    };
-
-    ScrollSpy.prototype._getScrollTop = function _getScrollTop() {
-      return this._scrollElement === window ? this._scrollElement.pageYOffset : this._scrollElement.scrollTop;
-    };
-
-    ScrollSpy.prototype._getScrollHeight = function _getScrollHeight() {
-      return this._scrollElement.scrollHeight || Math.max(document.body.scrollHeight, document.documentElement.scrollHeight);
-    };
+      // private
 
-    ScrollSpy.prototype._getOffsetHeight = function _getOffsetHeight() {
-      return this._scrollElement === window ? window.innerHeight : this._scrollElement.getBoundingClientRect().height;
-    };
+    }, {
+      key: '_getConfig',
+      value: function _getConfig(config) {
+        config = $.extend({}, Default, config);
+
+        if (typeof config.target !== 'string') {
+          var id = $(config.target).attr('id');
+          if (!id) {
+            id = Util.getUID(NAME);
+            $(config.target).attr('id', id);
+          }
+          config.target = '#' + id;
+        }
 
-    ScrollSpy.prototype._process = function _process() {
-      var scrollTop = this._getScrollTop() + this._config.offset;
-      var scrollHeight = this._getScrollHeight();
-      var maxScroll = this._config.offset + scrollHeight - this._getOffsetHeight();
+        Util.typeCheckConfig(NAME, config, DefaultType);
 
-      if (this._scrollHeight !== scrollHeight) {
-        this.refresh();
+        return config;
       }
-
-      if (scrollTop >= maxScroll) {
-        var target = this._targets[this._targets.length - 1];
-
-        if (this._activeTarget !== target) {
-          this._activate(target);
-        }
-        return;
+    }, {
+      key: '_getScrollTop',
+      value: function _getScrollTop() {
+        return this._scrollElement === window ? this._scrollElement.pageYOffset : this._scrollElement.scrollTop;
       }
-
-      if (this._activeTarget && scrollTop < this._offsets[0] && this._offsets[0] > 0) {
-        this._activeTarget = null;
-        this._clear();
-        return;
+    }, {
+      key: '_getScrollHeight',
+      value: function _getScrollHeight() {
+        return this._scrollElement.scrollHeight || Math.max(document.body.scrollHeight, document.documentElement.scrollHeight);
+      }
+    }, {
+      key: '_getOffsetHeight',
+      value: function _getOffsetHeight() {
+        return this._scrollElement === window ? window.innerHeight : this._scrollElement.getBoundingClientRect().height;
       }
+    }, {
+      key: '_process',
+      value: function _process() {
+        var scrollTop = this._getScrollTop() + this._config.offset;
+        var scrollHeight = this._getScrollHeight();
+        var maxScroll = this._config.offset + scrollHeight - this._getOffsetHeight();
+
+        if (this._scrollHeight !== scrollHeight) {
+          this.refresh();
+        }
 
-      for (var i = this._offsets.length; i--;) {
-        var isActiveTarget = this._activeTarget !== this._targets[i] && scrollTop >= this._offsets[i] && (this._offsets[i + 1] === undefined || scrollTop < this._offsets[i + 1]);
+        if (scrollTop >= maxScroll) {
+          var target = this._targets[this._targets.length - 1];
 
-        if (isActiveTarget) {
-          this._activate(this._targets[i]);
+          if (this._activeTarget !== target) {
+            this._activate(target);
+          }
+          return;
         }
-      }
-    };
-
-    ScrollSpy.prototype._activate = function _activate(target) {
-      this._activeTarget = target;
 
-      this._clear();
+        if (this._activeTarget && scrollTop < this._offsets[0] && this._offsets[0] > 0) {
+          this._activeTarget = null;
+          this._clear();
+          return;
+        }
 
-      var queries = this._selector.split(',');
-      queries = queries.map(function (selector) {
-        return selector + '[data-target="' + target + '"],' + (selector + '[href="' + target + '"]');
-      });
+        for (var i = this._offsets.length; i--;) {
+          var isActiveTarget = this._activeTarget !== this._targets[i] && scrollTop >= this._offsets[i] && (typeof this._offsets[i + 1] === 'undefined' || scrollTop < this._offsets[i + 1]);
 
-      var $link = $(queries.join(','));
-
-      if ($link.hasClass(ClassName.DROPDOWN_ITEM)) {
-        $link.closest(Selector.DROPDOWN).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE);
-        $link.addClass(ClassName.ACTIVE);
-      } else {
-        // Set triggered link as active
-        $link.addClass(ClassName.ACTIVE);
-        // Set triggered links parents as active
-        // With both <ul> and <nav> markup a parent is the previous sibling of any nav ancestor
-        $link.parents(Selector.NAV_LIST_GROUP).prev(Selector.NAV_LINKS + ', ' + Selector.LIST_ITEMS).addClass(ClassName.ACTIVE);
+          if (isActiveTarget) {
+            this._activate(this._targets[i]);
+          }
+        }
       }
+    }, {
+      key: '_activate',
+      value: function _activate(target) {
+        this._activeTarget = target;
 
-      $(this._scrollElement).trigger(Event.ACTIVATE, {
-        relatedTarget: target
-      });
-    };
+        this._clear();
 
-    ScrollSpy.prototype._clear = function _clear() {
-      $(this._selector).filter(Selector.ACTIVE).removeClass(ClassName.ACTIVE);
-    };
+        var queries = this._selector.split(',');
+        // eslint-disable-next-line arrow-body-style
+        queries = queries.map(function (selector) {
+          return selector + '[data-target="' + target + '"],' + (selector + '[href="' + target + '"]');
+        });
+
+        var $link = $(queries.join(','));
+
+        if ($link.hasClass(ClassName.DROPDOWN_ITEM)) {
+          $link.closest(Selector.DROPDOWN).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE);
+          $link.addClass(ClassName.ACTIVE);
+        } else {
+          // Set triggered link as active
+          $link.addClass(ClassName.ACTIVE);
+          // Set triggered links parents as active
+          // With both <ul> and <nav> markup a parent is the previous sibling of any nav ancestor
+          $link.parents(Selector.NAV_LIST_GROUP).prev(Selector.NAV_LINKS + ', ' + Selector.LIST_ITEMS).addClass(ClassName.ACTIVE);
+        }
 
-    // static
+        $(this._scrollElement).trigger(Event.ACTIVATE, {
+          relatedTarget: target
+        });
+      }
+    }, {
+      key: '_clear',
+      value: function _clear() {
+        $(this._selector).filter(Selector.ACTIVE).removeClass(ClassName.ACTIVE);
+      }
 
-    ScrollSpy._jQueryInterface = function _jQueryInterface(config) {
-      return this.each(function () {
-        var data = $(this).data(DATA_KEY);
-        var _config = (typeof config === 'undefined' ? 'undefined' : _typeof(config)) === 'object' && config;
+      // static
 
-        if (!data) {
-          data = new ScrollSpy(this, _config);
-          $(this).data(DATA_KEY, data);
-        }
+    }], [{
+      key: '_jQueryInterface',
+      value: function _jQueryInterface(config) {
+        return this.each(function () {
+          var data = $(this).data(DATA_KEY);
+          var _config = (typeof config === 'undefined' ? 'undefined' : _typeof(config)) === 'object' && config;
 
-        if (typeof config === 'string') {
-          if (data[config] === undefined) {
-            throw new Error('No method named "' + config + '"');
+          if (!data) {
+            data = new ScrollSpy(this, _config);
+            $(this).data(DATA_KEY, data);
           }
-          data[config]();
-        }
-      });
-    };
 
-    _createClass(ScrollSpy, null, [{
+          if (typeof config === 'string') {
+            if (typeof data[config] === 'undefined') {
+              throw new Error('No method named "' + config + '"');
+            }
+            data[config]();
+          }
+        });
+      }
+    }, {
       key: 'VERSION',
       get: function get() {
         return VERSION;
diff --git a/js/dist/scrollspy.js.map b/js/dist/scrollspy.js.map
index 6961e5fcbc..9eb9902150 100644
--- a/js/dist/scrollspy.js.map
+++ b/js/dist/scrollspy.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/scrollspy.js"],"names":["ScrollSpy","$","NAME","VERSION","DATA_KEY","EVENT_KEY","DATA_API_KEY","JQUERY_NO_CONFLICT","fn","Default","offset","method","target","DefaultType","Event","ACTIVATE","SCROLL","LOAD_DATA_API","ClassName","DROPDOWN_ITEM","DROPDOWN_MENU","ACTIVE","Selector","DATA_SPY","NAV_LIST_GROUP","NAV_LINKS","LIST_ITEMS","DROPDOWN","DROPDOWN_ITEMS","DROPDOWN_TOGGLE","OffsetMethod","OFFSET","POSITION","element","config","_element","_scrollElement","tagName","window","_config","_getConfig","_selector","_offsets","_targets","_activeTarget","_scrollHeight","on","event","_process","refresh","autoMethod","offsetMethod","offsetBase","_getScrollTop","_getScrollHeight","targets","makeArray","map","targetSelector","Util","getSelectorFromElement","targetBCR","getBoundingClientRect","width","height","top","filter","item","sort","a","b","forEach","push","dispose","removeData","off","extend","id","attr","getUID","typeCheckConfig","pageYOffset","scrollTop","scrollHeight","Math","max","document","body","documentElement","_getOffsetHeight","innerHeight","maxScroll","length","_activate","_clear","i","isActiveTarget","undefined","queries","split","selector","$link","join","hasClass","closest","find","addClass","parents","prev","trigger","relatedTarget","removeClass","_jQueryInterface","each","data","Error","scrollSpys","$spy","call","Constructor","noConflict","jQuery"],"mappings":";;;;;;AAGA;;;;;;;AAOA,IAAMA,YAAa,UAACC,CAAD,EAAO;;AAGxB;;;;;;AAMA,MAAMC,OAAqB,WAA3B;AACA,MAAMC,UAAqB,YAA3B;AACA,MAAMC,WAAqB,cAA3B;AACA,MAAMC,kBAAyBD,QAA/B;AACA,MAAME,eAAqB,WAA3B;AACA,MAAMC,qBAAqBN,EAAEO,EAAF,CAAKN,IAAL,CAA3B;;AAEA,MAAMO,UAAU;AACdC,YAAS,EADK;AAEdC,YAAS,MAFK;AAGdC,YAAS;AAHK,GAAhB;;AAMA,MAAMC,cAAc;AAClBH,YAAS,QADS;AAElBC,YAAS,QAFS;AAGlBC,YAAS;AAHS,GAApB;;AAMA,MAAME,QAAQ;AACZC,2BAA2BV,SADf;AAEZW,uBAAyBX,SAFb;AAGZY,4BAAuBZ,SAAvB,GAAmCC;AAHvB,GAAd;;AAMA,MAAMY,YAAY;AAChBC,mBAAgB,eADA;AAEhBC,mBAAgB,eAFA;AAGhBC,YAAgB;AAHA,GAAlB;;AAMA,MAAMC,WAAW;AACfC,cAAkB,qBADH;AAEfF,YAAkB,SAFH;AAGfG,oBAAkB,mBAHH;AAIfC,eAAkB,WAJH;AAKfC,gBAAkB,kBALH;AAMfC,cAAkB,WANH;AAOfC,oBAAkB,gBAPH;AAQfC,qBAAkB;AARH,GAAjB;;AAWA,MAAMC,eAAe;AACnBC,YAAW,QADQ;AAEnBC,cAAW;;AAIb;;;;;;AANqB,GAArB;AAnDwB,MA+DlBhC,SA/DkB;AAiEtB,uBAAYiC,OAAZ,EAAqBC,MAArB,EAA6B;AAAA;;AAAA;;AAC3B,WAAKC,QAAL,GAAsBF,OAAtB;AACA,WAAKG,cAAL,GAAsBH,QAAQI,OAAR,KAAoB,MAApB,GAA6BC,MAA7B,GAAsCL,OAA5D;AACA,WAAKM,OAAL,GAAsB,KAAKC,UAAL,CAAgBN,MAAhB,CAAtB;AACA,WAAKO,SAAL,GAAyB,KAAKF,OAAL,CAAa3B,MAAhB,SAA0BU,SAASG,SAAnC,UACG,KAAKc,OAAL,CAAa3B,MADhB,SAC0BU,SAASI,UADnC,WAEG,KAAKa,OAAL,CAAa3B,MAFhB,SAE0BU,SAASM,cAFnC,CAAtB;AAGA,WAAKc,QAAL,GAAsB,EAAtB;AACA,WAAKC,QAAL,GAAsB,EAAtB;AACA,WAAKC,aAAL,GAAsB,IAAtB;AACA,WAAKC,aAAL,GAAsB,CAAtB;;AAEA5C,QAAE,KAAKmC,cAAP,EAAuBU,EAAvB,CAA0BhC,MAAME,MAAhC,EAAwC,UAAC+B,KAAD;AAAA,eAAW,MAAKC,QAAL,CAAcD,KAAd,CAAX;AAAA,OAAxC;;AAEA,WAAKE,OAAL;AACA,WAAKD,QAAL;AACD;;AAGD;;AAWA;;AA/FsB,wBAiGtBC,OAjGsB,sBAiGZ;AAAA;;AACR,UAAMC,aAAa,KAAKd,cAAL,KAAwB,KAAKA,cAAL,CAAoBE,MAA5C,GACjBR,aAAaE,QADI,GACOF,aAAaC,MADvC;;AAGA,UAAMoB,eAAe,KAAKZ,OAAL,CAAa5B,MAAb,KAAwB,MAAxB,GACnBuC,UADmB,GACN,KAAKX,OAAL,CAAa5B,MAD5B;;AAGA,UAAMyC,aAAaD,iBAAiBrB,aAAaE,QAA9B,GACjB,KAAKqB,aAAL,EADiB,GACM,CADzB;;AAGA,WAAKX,QAAL,GAAgB,EAAhB;AACA,WAAKC,QAAL,GAAgB,EAAhB;;AAEA,WAAKE,aAAL,GAAqB,KAAKS,gBAAL,EAArB;;AAEA,UAAMC,UAAUtD,EAAEuD,SAAF,CAAYvD,EAAE,KAAKwC,SAAP,CAAZ,CAAhB;;AAEAc,cACGE,GADH,CACO,UAACxB,OAAD,EAAa;AAChB,YAAIrB,eAAJ;AACA,YAAM8C,iBAAiBC,KAAKC,sBAAL,CAA4B3B,OAA5B,CAAvB;;AAEA,YAAIyB,cAAJ,EAAoB;AAClB9C,mBAASX,EAAEyD,cAAF,EAAkB,CAAlB,CAAT;AACD;;AAED,YAAI9C,MAAJ,EAAY;AACV,cAAMiD,YAAYjD,OAAOkD,qBAAP,EAAlB;AACA,cAAID,UAAUE,KAAV,IAAmBF,UAAUG,MAAjC,EAAyC;AACvC;AACA,mBAAO,CACL/D,EAAEW,MAAF,EAAUuC,YAAV,IAA0Bc,GAA1B,GAAgCb,UAD3B,EAELM,cAFK,CAAP;AAID;AACF;AACD,eAAO,IAAP;AACD,OApBH,EAqBGQ,MArBH,CAqBU,UAACC,IAAD;AAAA,eAAWA,IAAX;AAAA,OArBV,EAsBGC,IAtBH,CAsBQ,UAACC,CAAD,EAAIC,CAAJ;AAAA,eAAaD,EAAE,CAAF,IAAOC,EAAE,CAAF,CAApB;AAAA,OAtBR,EAuBGC,OAvBH,CAuBW,UAACJ,IAAD,EAAU;AACjB,eAAKzB,QAAL,CAAc8B,IAAd,CAAmBL,KAAK,CAAL,CAAnB;AACA,eAAKxB,QAAL,CAAc6B,IAAd,CAAmBL,KAAK,CAAL,CAAnB;AACD,OA1BH;AA2BD,KA7IqB;;AAAA,wBA+ItBM,OA/IsB,sBA+IZ;AACRxE,QAAEyE,UAAF,CAAa,KAAKvC,QAAlB,EAA4B/B,QAA5B;AACAH,QAAE,KAAKmC,cAAP,EAAuBuC,GAAvB,CAA2BtE,SAA3B;;AAEA,WAAK8B,QAAL,GAAsB,IAAtB;AACA,WAAKC,cAAL,GAAsB,IAAtB;AACA,WAAKG,OAAL,GAAsB,IAAtB;AACA,WAAKE,SAAL,GAAsB,IAAtB;AACA,WAAKC,QAAL,GAAsB,IAAtB;AACA,WAAKC,QAAL,GAAsB,IAAtB;AACA,WAAKC,aAAL,GAAsB,IAAtB;AACA,WAAKC,aAAL,GAAsB,IAAtB;AACD,KA3JqB;;AA8JtB;;AA9JsB,wBAgKtBL,UAhKsB,uBAgKXN,MAhKW,EAgKH;AACjBA,eAASjC,EAAE2E,MAAF,CAAS,EAAT,EAAanE,OAAb,EAAsByB,MAAtB,CAAT;;AAEA,UAAI,OAAOA,OAAOtB,MAAd,KAAyB,QAA7B,EAAuC;AACrC,YAAIiE,KAAK5E,EAAEiC,OAAOtB,MAAT,EAAiBkE,IAAjB,CAAsB,IAAtB,CAAT;AACA,YAAI,CAACD,EAAL,EAAS;AACPA,eAAKlB,KAAKoB,MAAL,CAAY7E,IAAZ,CAAL;AACAD,YAAEiC,OAAOtB,MAAT,EAAiBkE,IAAjB,CAAsB,IAAtB,EAA4BD,EAA5B;AACD;AACD3C,eAAOtB,MAAP,SAAoBiE,EAApB;AACD;;AAEDlB,WAAKqB,eAAL,CAAqB9E,IAArB,EAA2BgC,MAA3B,EAAmCrB,WAAnC;;AAEA,aAAOqB,MAAP;AACD,KA/KqB;;AAAA,wBAiLtBmB,aAjLsB,4BAiLN;AACd,aAAO,KAAK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Util from './util'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-beta): scrollspy.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst ScrollSpy = (($) => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME               = 'scrollspy'\n  const VERSION            = '4.0.0-beta'\n  const DATA_KEY           = 'bs.scrollspy'\n  const EVENT_KEY          = `.${DATA_KEY}`\n  const DATA_API_KEY       = '.data-api'\n  const JQUERY_NO_CONFLICT = $.fn[NAME]\n\n  const Default = {\n    offset : 10,\n    method : 'auto',\n    target : ''\n  }\n\n  const DefaultType = {\n    offset : 'number',\n    method : 'string',\n    target : '(string|element)'\n  }\n\n  const Event = {\n    ACTIVATE      : `activate${EVENT_KEY}`,\n    SCROLL        : `scroll${EVENT_KEY}`,\n    LOAD_DATA_API : `load${EVENT_KEY}${DATA_API_KEY}`\n  }\n\n  const ClassName = {\n    DROPDOWN_ITEM : 'dropdown-item',\n    DROPDOWN_MENU : 'dropdown-menu',\n    ACTIVE        : 'active'\n  }\n\n  const Selector = {\n    DATA_SPY        : '[data-spy=\"scroll\"]',\n    ACTIVE          : '.active',\n    NAV_LIST_GROUP  : '.nav, .list-group',\n    NAV_LINKS       : '.nav-link',\n    LIST_ITEMS      : '.list-group-item',\n    DROPDOWN        : '.dropdown',\n    DROPDOWN_ITEMS  : '.dropdown-item',\n    DROPDOWN_TOGGLE : '.dropdown-toggle'\n  }\n\n  const OffsetMethod = {\n    OFFSET   : 'offset',\n    POSITION : 'position'\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class ScrollSpy {\n\n    constructor(element, config) {\n      this._element       = element\n      this._scrollElement = element.tagName === 'BODY' ? window : element\n      this._config        = this._getConfig(config)\n      this._selector      = `${this._config.target} ${Selector.NAV_LINKS},`\n                          + `${this._config.target} ${Selector.LIST_ITEMS},`\n                          + `${this._config.target} ${Selector.DROPDOWN_ITEMS}`\n      this._offsets       = []\n      this._targets       = []\n      this._activeTarget  = null\n      this._scrollHeight  = 0\n\n      $(this._scrollElement).on(Event.SCROLL, (event) => this._process(event))\n\n      this.refresh()\n      this._process()\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n    static get Default() {\n      return Default\n    }\n\n\n    // public\n\n    refresh() {\n      const autoMethod = this._scrollElement !== this._scrollElement.window ?\n        OffsetMethod.POSITION : OffsetMethod.OFFSET\n\n      const offsetMethod = this._config.method === 'auto' ?\n        autoMethod : this._config.method\n\n      const offsetBase = offsetMethod === OffsetMethod.POSITION ?\n        this._getScrollTop() : 0\n\n      this._offsets = []\n      this._targets = []\n\n      this._scrollHeight = this._getScrollHeight()\n\n      const targets = $.makeArray($(this._selector))\n\n      targets\n        .map((element) => {\n          let target\n          const targetSelector = Util.getSelectorFromElement(element)\n\n          if (targetSelector) {\n            target = $(targetSelector)[0]\n          }\n\n          if (target) {\n            const targetBCR = target.getBoundingClientRect()\n            if (targetBCR.width || targetBCR.height) {\n              // todo (fat): remove sketch reliance on jQuery position/offset\n              return [\n                $(target)[offsetMethod]().top + offsetBase,\n                targetSelector\n              ]\n            }\n          }\n          return null\n        })\n        .filter((item)  => item)\n        .sort((a, b)    => a[0] - b[0])\n        .forEach((item) => {\n          this._offsets.push(item[0])\n          this._targets.push(item[1])\n        })\n    }\n\n    dispose() {\n      $.removeData(this._element, DATA_KEY)\n      $(this._scrollElement).off(EVENT_KEY)\n\n      this._element       = null\n      this._scrollElement = null\n      this._config        = null\n      this._selector      = null\n      this._offsets       = null\n      this._targets       = null\n      this._activeTarget  = null\n      this._scrollHeight  = null\n    }\n\n\n    // private\n\n    _getConfig(config) {\n      config = $.extend({}, Default, config)\n\n      if (typeof config.target !== 'string') {\n        let id = $(config.target).attr('id')\n        if (!id) {\n          id = Util.getUID(NAME)\n          $(config.target).attr('id', id)\n        }\n        config.target = `#${id}`\n      }\n\n      Util.typeCheckConfig(NAME, config, DefaultType)\n\n      return config\n    }\n\n    _getScrollTop() {\n      return this._scrollElement === window ?\n          this._scrollElement.pageYOffset : this._scrollElement.scrollTop\n    }\n\n    _getScrollHeight() {\n      return this._scrollElement.scrollHeight || Math.max(\n        document.body.scrollHeight,\n        document.documentElement.scrollHeight\n      )\n    }\n\n    _getOffsetHeight() {\n      return this._scrollElement === window ?\n          window.innerHeight : this._scrollElement.getBoundingClientRect().height\n    }\n\n    _process() {\n      const scrollTop    = this._getScrollTop() + this._config.offset\n      const scrollHeight = this._getScrollHeight()\n      const maxScroll    = this._config.offset\n        + scrollHeight\n        - this._getOffsetHeight()\n\n      if (this._scrollHeight !== scrollHeight) {\n        this.refresh()\n      }\n\n      if (scrollTop >= maxScroll) {\n        const target = this._targets[this._targets.length - 1]\n\n        if (this._activeTarget !== target) {\n          this._activate(target)\n        }\n        return\n      }\n\n      if (this._activeTarget && scrollTop < this._offsets[0] && this._offsets[0] > 0) {\n        this._activeTarget = null\n        this._clear()\n        return\n      }\n\n      for (let i = this._offsets.length; i--;) {\n        const isActiveTarget = this._activeTarget !== this._targets[i]\n            && scrollTop >= this._offsets[i]\n            && (this._offsets[i + 1] === undefined ||\n                scrollTop < this._offsets[i + 1])\n\n        if (isActiveTarget) {\n          this._activate(this._targets[i])\n        }\n      }\n    }\n\n    _activate(target) {\n      this._activeTarget = target\n\n      this._clear()\n\n      let queries = this._selector.split(',')\n      queries     = queries.map((selector) => {\n        return `${selector}[data-target=\"${target}\"],` +\n               `${selector}[href=\"${target}\"]`\n      })\n\n      const $link = $(queries.join(','))\n\n      if ($link.hasClass(ClassName.DROPDOWN_ITEM)) {\n        $link.closest(Selector.DROPDOWN).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE)\n        $link.addClass(ClassName.ACTIVE)\n      } else {\n        // Set triggered link as active\n        $link.addClass(ClassName.ACTIVE)\n        // Set triggered links parents as active\n        // With both <ul> and <nav> markup a parent is the previous sibling of any nav ancestor\n        $link.parents(Selector.NAV_LIST_GROUP).prev(`${Selector.NAV_LINKS}, ${Selector.LIST_ITEMS}`).addClass(ClassName.ACTIVE)\n      }\n\n      $(this._scrollElement).trigger(Event.ACTIVATE, {\n        relatedTarget: target\n      })\n    }\n\n    _clear() {\n      $(this._selector).filter(Selector.ACTIVE).removeClass(ClassName.ACTIVE)\n    }\n\n\n    // static\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        let data      = $(this).data(DATA_KEY)\n        const _config = typeof config === 'object' && config\n\n        if (!data) {\n          data = new ScrollSpy(this, _config)\n          $(this).data(DATA_KEY, data)\n        }\n\n        if (typeof config === 'string') {\n          if (data[config] === undefined) {\n            throw new Error(`No method named \"${config}\"`)\n          }\n          data[config]()\n        }\n      })\n    }\n\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Data Api implementation\n   * ------------------------------------------------------------------------\n   */\n\n  $(window).on(Event.LOAD_DATA_API, () => {\n    const scrollSpys = $.makeArray($(Selector.DATA_SPY))\n\n    for (let i = scrollSpys.length; i--;) {\n      const $spy = $(scrollSpys[i])\n      ScrollSpy._jQueryInterface.call($spy, $spy.data())\n    }\n  })\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = ScrollSpy._jQueryInterface\n  $.fn[NAME].Constructor = ScrollSpy\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return ScrollSpy._jQueryInterface\n  }\n\n  return ScrollSpy\n\n})(jQuery)\n\nexport default ScrollSpy\n"]}
\ No newline at end of file
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'(string|element)'\n  }\n\n  const Event = {\n    ACTIVATE      : `activate${EVENT_KEY}`,\n    SCROLL        : `scroll${EVENT_KEY}`,\n    LOAD_DATA_API : `load${EVENT_KEY}${DATA_API_KEY}`\n  }\n\n  const ClassName = {\n    DROPDOWN_ITEM : 'dropdown-item',\n    DROPDOWN_MENU : 'dropdown-menu',\n    ACTIVE        : 'active'\n  }\n\n  const Selector = {\n    DATA_SPY        : '[data-spy=\"scroll\"]',\n    ACTIVE          : '.active',\n    NAV_LIST_GROUP  : '.nav, .list-group',\n    NAV_LINKS       : '.nav-link',\n    LIST_ITEMS      : '.list-group-item',\n    DROPDOWN        : '.dropdown',\n    DROPDOWN_ITEMS  : '.dropdown-item',\n    DROPDOWN_TOGGLE : '.dropdown-toggle'\n  }\n\n  const OffsetMethod = {\n    OFFSET   : 'offset',\n    POSITION : 'position'\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class ScrollSpy {\n\n    constructor(element, config) {\n      this._element       = element\n      this._scrollElement = element.tagName === 'BODY' ? window : element\n      this._config        = this._getConfig(config)\n      this._selector      = `${this._config.target} ${Selector.NAV_LINKS},`\n                          + `${this._config.target} ${Selector.LIST_ITEMS},`\n                          + `${this._config.target} ${Selector.DROPDOWN_ITEMS}`\n      this._offsets       = []\n      this._targets       = []\n      this._activeTarget  = null\n      this._scrollHeight  = 0\n\n      $(this._scrollElement).on(Event.SCROLL, (event) => this._process(event))\n\n      this.refresh()\n      this._process()\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n    static get Default() {\n      return Default\n    }\n\n\n    // public\n\n    refresh() {\n      const autoMethod = this._scrollElement !== this._scrollElement.window ?\n        OffsetMethod.POSITION : OffsetMethod.OFFSET\n\n      const offsetMethod = this._config.method === 'auto' ?\n        autoMethod : this._config.method\n\n      const offsetBase = offsetMethod === OffsetMethod.POSITION ?\n        this._getScrollTop() : 0\n\n      this._offsets = []\n      this._targets = []\n\n      this._scrollHeight = this._getScrollHeight()\n\n      const targets = $.makeArray($(this._selector))\n\n      targets\n        .map((element) => {\n          let target\n          const targetSelector = Util.getSelectorFromElement(element)\n\n          if (targetSelector) {\n            target = $(targetSelector)[0]\n          }\n\n          if (target) {\n            const targetBCR = target.getBoundingClientRect()\n            if (targetBCR.width || targetBCR.height) {\n              // todo (fat): remove sketch reliance on jQuery position/offset\n              return [\n                $(target)[offsetMethod]().top + offsetBase,\n                targetSelector\n              ]\n            }\n          }\n          return null\n        })\n        .filter((item)  => item)\n        .sort((a, b)    => a[0] - b[0])\n        .forEach((item) => {\n          this._offsets.push(item[0])\n          this._targets.push(item[1])\n        })\n    }\n\n    dispose() {\n      $.removeData(this._element, DATA_KEY)\n      $(this._scrollElement).off(EVENT_KEY)\n\n      this._element       = null\n      this._scrollElement = null\n      this._config        = null\n      this._selector      = null\n      this._offsets       = null\n      this._targets       = null\n      this._activeTarget  = null\n      this._scrollHeight  = null\n    }\n\n\n    // private\n\n    _getConfig(config) {\n      config = $.extend({}, Default, config)\n\n      if (typeof config.target !== 'string') {\n        let id = $(config.target).attr('id')\n        if (!id) {\n          id = Util.getUID(NAME)\n          $(config.target).attr('id', id)\n        }\n        config.target = `#${id}`\n      }\n\n      Util.typeCheckConfig(NAME, config, DefaultType)\n\n      return config\n    }\n\n    _getScrollTop() {\n      return this._scrollElement === window ?\n          this._scrollElement.pageYOffset : this._scrollElement.scrollTop\n    }\n\n    _getScrollHeight() {\n      return this._scrollElement.scrollHeight || Math.max(\n        document.body.scrollHeight,\n        document.documentElement.scrollHeight\n      )\n    }\n\n    _getOffsetHeight() {\n      return this._scrollElement === window ?\n          window.innerHeight : this._scrollElement.getBoundingClientRect().height\n    }\n\n    _process() {\n      const scrollTop    = this._getScrollTop() + this._config.offset\n      const scrollHeight = this._getScrollHeight()\n      const maxScroll    = this._config.offset\n        + scrollHeight\n        - this._getOffsetHeight()\n\n      if (this._scrollHeight !== scrollHeight) {\n        this.refresh()\n      }\n\n      if (scrollTop >= maxScroll) {\n        const target = this._targets[this._targets.length - 1]\n\n        if (this._activeTarget !== target) {\n          this._activate(target)\n        }\n        return\n      }\n\n      if (this._activeTarget && scrollTop < this._offsets[0] && this._offsets[0] > 0) {\n        this._activeTarget = null\n        this._clear()\n        return\n      }\n\n      for (let i = this._offsets.length; i--;) {\n        const isActiveTarget = this._activeTarget !== this._targets[i]\n            && scrollTop >= this._offsets[i]\n            && (typeof this._offsets[i + 1] === 'undefined' ||\n                scrollTop < this._offsets[i + 1])\n\n        if (isActiveTarget) {\n          this._activate(this._targets[i])\n        }\n      }\n    }\n\n    _activate(target) {\n      this._activeTarget = target\n\n      this._clear()\n\n      let queries = this._selector.split(',')\n      // eslint-disable-next-line arrow-body-style\n      queries     = queries.map((selector) => {\n        return `${selector}[data-target=\"${target}\"],` +\n               `${selector}[href=\"${target}\"]`\n      })\n\n      const $link = $(queries.join(','))\n\n      if ($link.hasClass(ClassName.DROPDOWN_ITEM)) {\n        $link.closest(Selector.DROPDOWN).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE)\n        $link.addClass(ClassName.ACTIVE)\n      } else {\n        // Set triggered link as active\n        $link.addClass(ClassName.ACTIVE)\n        // Set triggered links parents as active\n        // With both <ul> and <nav> markup a parent is the previous sibling of any nav ancestor\n        $link.parents(Selector.NAV_LIST_GROUP).prev(`${Selector.NAV_LINKS}, ${Selector.LIST_ITEMS}`).addClass(ClassName.ACTIVE)\n      }\n\n      $(this._scrollElement).trigger(Event.ACTIVATE, {\n        relatedTarget: target\n      })\n    }\n\n    _clear() {\n      $(this._selector).filter(Selector.ACTIVE).removeClass(ClassName.ACTIVE)\n    }\n\n\n    // static\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        let data      = $(this).data(DATA_KEY)\n        const _config = typeof config === 'object' && config\n\n        if (!data) {\n          data = new ScrollSpy(this, _config)\n          $(this).data(DATA_KEY, data)\n        }\n\n        if (typeof config === 'string') {\n          if (typeof data[config] === 'undefined') {\n            throw new Error(`No method named \"${config}\"`)\n          }\n          data[config]()\n        }\n      })\n    }\n\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Data Api implementation\n   * ------------------------------------------------------------------------\n   */\n\n  $(window).on(Event.LOAD_DATA_API, () => {\n    const scrollSpys = $.makeArray($(Selector.DATA_SPY))\n\n    for (let i = scrollSpys.length; i--;) {\n      const $spy = $(scrollSpys[i])\n      ScrollSpy._jQueryInterface.call($spy, $spy.data())\n    }\n  })\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = ScrollSpy._jQueryInterface\n  $.fn[NAME].Constructor = ScrollSpy\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return ScrollSpy._jQueryInterface\n  }\n\n  return ScrollSpy\n\n})(jQuery)\n\nexport default ScrollSpy\n"]}
\ No newline at end of file
diff --git a/js/dist/tab.js b/js/dist/tab.js
index 09afbeadc4..3efbf5d5d1 100644
--- a/js/dist/tab.js
+++ b/js/dist/tab.js
@@ -1,3 +1,5 @@
+'use strict';
+
 var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
 
 function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
@@ -9,7 +11,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
  * --------------------------------------------------------------------------
  */
 
-var Tab = function ($) {
+var Tab = function () {
 
   /**
    * ------------------------------------------------------------------------
@@ -66,165 +68,174 @@ var Tab = function ($) {
 
     // getters
 
-    // public
-
-    Tab.prototype.show = function show() {
-      var _this = this;
-
-      if (this._element.parentNode && this._element.parentNode.nodeType === Node.ELEMENT_NODE && $(this._element).hasClass(ClassName.ACTIVE) || $(this._element).hasClass(ClassName.DISABLED)) {
-        return;
-      }
-
-      var target = void 0;
-      var previous = void 0;
-      var listElement = $(this._element).closest(Selector.NAV_LIST_GROUP)[0];
-      var selector = Util.getSelectorFromElement(this._element);
+    _createClass(Tab, [{
+      key: 'show',
 
-      if (listElement) {
-        var itemSelector = listElement.nodeName === 'UL' ? Selector.ACTIVE_UL : Selector.ACTIVE;
-        previous = $.makeArray($(listElement).find(itemSelector));
-        previous = previous[previous.length - 1];
-      }
-
-      var hideEvent = $.Event(Event.HIDE, {
-        relatedTarget: this._element
-      });
 
-      var showEvent = $.Event(Event.SHOW, {
-        relatedTarget: previous
-      });
+      // public
 
-      if (previous) {
-        $(previous).trigger(hideEvent);
-      }
+      value: function show() {
+        var _this = this;
 
-      $(this._element).trigger(showEvent);
-
-      if (showEvent.isDefaultPrevented() || hideEvent.isDefaultPrevented()) {
-        return;
-      }
+        if (this._element.parentNode && this._element.parentNode.nodeType === Node.ELEMENT_NODE && $(this._element).hasClass(ClassName.ACTIVE) || $(this._element).hasClass(ClassName.DISABLED)) {
+          return;
+        }
 
-      if (selector) {
-        target = $(selector)[0];
-      }
+        var target = void 0;
+        var previous = void 0;
+        var listElement = $(this._element).closest(Selector.NAV_LIST_GROUP)[0];
+        var selector = Util.getSelectorFromElement(this._element);
 
-      this._activate(this._element, listElement);
+        if (listElement) {
+          var itemSelector = listElement.nodeName === 'UL' ? Selector.ACTIVE_UL : Selector.ACTIVE;
+          previous = $.makeArray($(listElement).find(itemSelector));
+          previous = previous[previous.length - 1];
+        }
 
-      var complete = function complete() {
-        var hiddenEvent = $.Event(Event.HIDDEN, {
-          relatedTarget: _this._element
+        var hideEvent = $.Event(Event.HIDE, {
+          relatedTarget: this._element
         });
 
-        var shownEvent = $.Event(Event.SHOWN, {
+        var showEvent = $.Event(Event.SHOW, {
           relatedTarget: previous
         });
 
-        $(previous).trigger(hiddenEvent);
-        $(_this._element).trigger(shownEvent);
-      };
+        if (previous) {
+          $(previous).trigger(hideEvent);
+        }
 
-      if (target) {
-        this._activate(target, target.parentNode, complete);
-      } else {
-        complete();
-      }
-    };
+        $(this._element).trigger(showEvent);
 
-    Tab.prototype.dispose = function dispose() {
-      $.removeData(this._element, DATA_KEY);
-      this._element = null;
-    };
+        if (showEvent.isDefaultPrevented() || hideEvent.isDefaultPrevented()) {
+          return;
+        }
 
-    // private
+        if (selector) {
+          target = $(selector)[0];
+        }
 
-    Tab.prototype._activate = function _activate(element, container, callback) {
-      var _this2 = this;
+        this._activate(this._element, listElement);
 
-      var activeElements = void 0;
-      if (container.nodeName === 'UL') {
-        activeElements = $(container).find(Selector.ACTIVE_UL);
-      } else {
-        activeElements = $(container).children(Selector.ACTIVE);
-      }
+        var complete = function complete() {
+          var hiddenEvent = $.Event(Event.HIDDEN, {
+            relatedTarget: _this._element
+          });
 
-      var active = activeElements[0];
-      var isTransitioning = callback && Util.supportsTransitionEnd() && active && $(active).hasClass(ClassName.FADE);
+          var shownEvent = $.Event(Event.SHOWN, {
+            relatedTarget: previous
+          });
 
-      var complete = function complete() {
-        return _this2._transitionComplete(element, active, isTransitioning, callback);
-      };
+          $(previous).trigger(hiddenEvent);
+          $(_this._element).trigger(shownEvent);
+        };
 
-      if (active && isTransitioning) {
-        $(active).one(Util.TRANSITION_END, complete).emulateTransitionEnd(TRANSITION_DURATION);
-      } else {
-        complete();
+        if (target) {
+          this._activate(target, target.parentNode, complete);
+        } else {
+          complete();
+        }
       }
-
-      if (active) {
-        $(active).removeClass(ClassName.SHOW);
+    }, {
+      key: 'dispose',
+      value: function dispose() {
+        $.removeData(this._element, DATA_KEY);
+        this._element = null;
       }
-    };
 
-    Tab.prototype._transitionComplete = function _transitionComplete(element, active, isTransitioning, callback) {
-      if (active) {
-        $(active).removeClass(ClassName.ACTIVE);
+      // private
 
-        var dropdownChild = $(active.parentNode).find(Selector.DROPDOWN_ACTIVE_CHILD)[0];
+    }, {
+      key: '_activate',
+      value: function _activate(element, container, callback) {
+        var _this2 = this;
 
-        if (dropdownChild) {
-          $(dropdownChild).removeClass(ClassName.ACTIVE);
+        var activeElements = void 0;
+        if (container.nodeName === 'UL') {
+          activeElements = $(container).find(Selector.ACTIVE_UL);
+        } else {
+          activeElements = $(container).children(Selector.ACTIVE);
         }
 
-        active.setAttribute('aria-expanded', false);
-      }
+        var active = activeElements[0];
+        var isTransitioning = callback && Util.supportsTransitionEnd() && active && $(active).hasClass(ClassName.FADE);
+
+        var complete = function complete() {
+          return _this2._transitionComplete(element, active, isTransitioning, callback);
+        };
 
-      $(element).addClass(ClassName.ACTIVE);
-      element.setAttribute('aria-expanded', true);
+        if (active && isTransitioning) {
+          $(active).one(Util.TRANSITION_END, complete).emulateTransitionEnd(TRANSITION_DURATION);
+        } else {
+          complete();
+        }
 
-      if (isTransitioning) {
-        Util.reflow(element);
-        $(element).addClass(ClassName.SHOW);
-      } else {
-        $(element).removeClass(ClassName.FADE);
+        if (active) {
+          $(active).removeClass(ClassName.SHOW);
+        }
       }
+    }, {
+      key: '_transitionComplete',
+      value: function _transitionComplete(element, active, isTransitioning, callback) {
+        if (active) {
+          $(active).removeClass(ClassName.ACTIVE);
+
+          var dropdownChild = $(active.parentNode).find(Selector.DROPDOWN_ACTIVE_CHILD)[0];
 
-      if (element.parentNode && $(element.parentNode).hasClass(ClassName.DROPDOWN_MENU)) {
+          if (dropdownChild) {
+            $(dropdownChild).removeClass(ClassName.ACTIVE);
+          }
 
-        var dropdownElement = $(element).closest(Selector.DROPDOWN)[0];
-        if (dropdownElement) {
-          $(dropdownElement).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE);
+          active.setAttribute('aria-expanded', false);
         }
 
+        $(element).addClass(ClassName.ACTIVE);
         element.setAttribute('aria-expanded', true);
-      }
 
-      if (callback) {
-        callback();
-      }
-    };
+        if (isTransitioning) {
+          Util.reflow(element);
+          $(element).addClass(ClassName.SHOW);
+        } else {
+          $(element).removeClass(ClassName.FADE);
+        }
 
-    // static
+        if (element.parentNode && $(element.parentNode).hasClass(ClassName.DROPDOWN_MENU)) {
 
-    Tab._jQueryInterface = function _jQueryInterface(config) {
-      return this.each(function () {
-        var $this = $(this);
-        var data = $this.data(DATA_KEY);
+          var dropdownElement = $(element).closest(Selector.DROPDOWN)[0];
+          if (dropdownElement) {
+            $(dropdownElement).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE);
+          }
 
-        if (!data) {
-          data = new Tab(this);
-          $this.data(DATA_KEY, data);
+          element.setAttribute('aria-expanded', true);
         }
 
-        if (typeof config === 'string') {
-          if (data[config] === undefined) {
-            throw new Error('No method named "' + config + '"');
-          }
-          data[config]();
+        if (callback) {
+          callback();
         }
-      });
-    };
+      }
+
+      // static
 
-    _createClass(Tab, null, [{
+    }], [{
+      key: '_jQueryInterface',
+      value: function _jQueryInterface(config) {
+        return this.each(function () {
+          var $this = $(this);
+          var data = $this.data(DATA_KEY);
+
+          if (!data) {
+            data = new Tab(this);
+            $this.data(DATA_KEY, data);
+          }
+
+          if (typeof config === 'string') {
+            if (typeof data[config] === 'undefined') {
+              throw new Error('No method named "' + config + '"');
+            }
+            data[config]();
+          }
+        });
+      }
+    }, {
       key: 'VERSION',
       get: function get() {
         return VERSION;
diff --git a/js/dist/tab.js.map b/js/dist/tab.js.map
index 4fbdae5b79..3f8512c81b 100644
--- a/js/dist/tab.js.map
+++ b/js/dist/tab.js.map
@@ -1 +1 @@
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Util from './util'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-beta): tab.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Tab = (($) => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                = 'tab'\n  const VERSION             = '4.0.0-beta'\n  const DATA_KEY            = 'bs.tab'\n  const EVENT_KEY           = `.${DATA_KEY}`\n  const DATA_API_KEY        = '.data-api'\n  const JQUERY_NO_CONFLICT  = $.fn[NAME]\n  const TRANSITION_DURATION = 150\n\n  const Event = {\n    HIDE           : `hide${EVENT_KEY}`,\n    HIDDEN         : `hidden${EVENT_KEY}`,\n    SHOW           : `show${EVENT_KEY}`,\n    SHOWN          : `shown${EVENT_KEY}`,\n    CLICK_DATA_API : `click${EVENT_KEY}${DATA_API_KEY}`\n  }\n\n  const ClassName = {\n    DROPDOWN_MENU : 'dropdown-menu',\n    ACTIVE        : 'active',\n    DISABLED      : 'disabled',\n    FADE          : 'fade',\n    SHOW          : 'show'\n  }\n\n  const Selector = {\n    DROPDOWN              : '.dropdown',\n    NAV_LIST_GROUP        : '.nav, .list-group',\n    ACTIVE                : '.active',\n    ACTIVE_UL             : '> li > .active',\n    DATA_TOGGLE           : '[data-toggle=\"tab\"], [data-toggle=\"pill\"], [data-toggle=\"list\"]',\n    DROPDOWN_TOGGLE       : '.dropdown-toggle',\n    DROPDOWN_ACTIVE_CHILD : '> .dropdown-menu .active'\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Tab {\n\n    constructor(element) {\n      this._element = element\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n\n    // public\n\n    show() {\n      if (this._element.parentNode &&\n          this._element.parentNode.nodeType === Node.ELEMENT_NODE &&\n          $(this._element).hasClass(ClassName.ACTIVE) ||\n          $(this._element).hasClass(ClassName.DISABLED)) {\n        return\n      }\n\n      let target\n      let previous\n      const listElement = $(this._element).closest(Selector.NAV_LIST_GROUP)[0]\n      const selector    = Util.getSelectorFromElement(this._element)\n\n      if (listElement) {\n        const itemSelector = listElement.nodeName === 'UL' ? Selector.ACTIVE_UL : Selector.ACTIVE\n        previous = $.makeArray($(listElement).find(itemSelector))\n        previous = previous[previous.length - 1]\n      }\n\n      const hideEvent = $.Event(Event.HIDE, {\n        relatedTarget: this._element\n      })\n\n      const showEvent = $.Event(Event.SHOW, {\n        relatedTarget: previous\n      })\n\n      if (previous) {\n        $(previous).trigger(hideEvent)\n      }\n\n      $(this._element).trigger(showEvent)\n\n      if (showEvent.isDefaultPrevented() ||\n         hideEvent.isDefaultPrevented()) {\n        return\n      }\n\n      if (selector) {\n        target = $(selector)[0]\n      }\n\n      this._activate(\n        this._element,\n        listElement\n      )\n\n      const complete = () => {\n        const hiddenEvent = $.Event(Event.HIDDEN, {\n          relatedTarget: this._element\n        })\n\n        const shownEvent = $.Event(Event.SHOWN, {\n          relatedTarget: previous\n        })\n\n        $(previous).trigger(hiddenEvent)\n        $(this._element).trigger(shownEvent)\n      }\n\n      if (target) {\n        this._activate(target, target.parentNode, complete)\n      } else {\n        complete()\n      }\n    }\n\n    dispose() {\n      $.removeData(this._element, DATA_KEY)\n      this._element = null\n    }\n\n\n    // private\n\n    _activate(element, container, callback) {\n      let activeElements\n      if (container.nodeName === 'UL') {\n        activeElements = $(container).find(Selector.ACTIVE_UL)\n      } else {\n        activeElements = $(container).children(Selector.ACTIVE)\n      }\n\n      const active          = activeElements[0]\n      const isTransitioning = callback\n        && Util.supportsTransitionEnd()\n        && (active && $(active).hasClass(ClassName.FADE))\n\n      const complete = () => this._transitionComplete(\n        element,\n        active,\n        isTransitioning,\n        callback\n      )\n\n      if (active && isTransitioning) {\n        $(active)\n          .one(Util.TRANSITION_END, complete)\n          .emulateTransitionEnd(TRANSITION_DURATION)\n\n      } else {\n        complete()\n      }\n\n      if (active) {\n        $(active).removeClass(ClassName.SHOW)\n      }\n    }\n\n    _transitionComplete(element, active, isTransitioning, callback) {\n      if (active) {\n        $(active).removeClass(ClassName.ACTIVE)\n\n        const dropdownChild = $(active.parentNode).find(\n          Selector.DROPDOWN_ACTIVE_CHILD\n        )[0]\n\n        if (dropdownChild) {\n          $(dropdownChild).removeClass(ClassName.ACTIVE)\n        }\n\n        active.setAttribute('aria-expanded', false)\n      }\n\n      $(element).addClass(ClassName.ACTIVE)\n      element.setAttribute('aria-expanded', true)\n\n      if (isTransitioning) {\n        Util.reflow(element)\n        $(element).addClass(ClassName.SHOW)\n      } else {\n        $(element).removeClass(ClassName.FADE)\n      }\n\n      if (element.parentNode &&\n          $(element.parentNode).hasClass(ClassName.DROPDOWN_MENU)) {\n\n        const dropdownElement = $(element).closest(Selector.DROPDOWN)[0]\n        if (dropdownElement) {\n          $(dropdownElement).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE)\n        }\n\n        element.setAttribute('aria-expanded', true)\n      }\n\n      if (callback) {\n        callback()\n      }\n    }\n\n\n    // static\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        const $this = $(this)\n        let data    = $this.data(DATA_KEY)\n\n        if (!data) {\n          data = new Tab(this)\n          $this.data(DATA_KEY, data)\n        }\n\n        if (typeof config === 'string') {\n          if (data[config] === undefined) {\n            throw new Error(`No method named \"${config}\"`)\n          }\n          data[config]()\n        }\n      })\n    }\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Data Api implementation\n   * ------------------------------------------------------------------------\n   */\n\n  $(document)\n    .on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {\n      event.preventDefault()\n      Tab._jQueryInterface.call($(this), 'show')\n    })\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = Tab._jQueryInterface\n  $.fn[NAME].Constructor = Tab\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return Tab._jQueryInterface\n  }\n\n  return Tab\n\n})(jQuery)\n\nexport default Tab\n"]}
\ No newline at end of file
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$ from 'jquery'\nimport Util from './util'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-beta): tab.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Tab = (() => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                = 'tab'\n  const VERSION             = '4.0.0-beta'\n  const DATA_KEY            = 'bs.tab'\n  const EVENT_KEY           = `.${DATA_KEY}`\n  const DATA_API_KEY        = '.data-api'\n  const JQUERY_NO_CONFLICT  = $.fn[NAME]\n  const TRANSITION_DURATION = 150\n\n  const Event = {\n    HIDE           : `hide${EVENT_KEY}`,\n    HIDDEN         : `hidden${EVENT_KEY}`,\n    SHOW           : `show${EVENT_KEY}`,\n    SHOWN          : `shown${EVENT_KEY}`,\n    CLICK_DATA_API : `click${EVENT_KEY}${DATA_API_KEY}`\n  }\n\n  const ClassName = {\n    DROPDOWN_MENU : 'dropdown-menu',\n    ACTIVE        : 'active',\n    DISABLED      : 'disabled',\n    FADE          : 'fade',\n    SHOW          : 'show'\n  }\n\n  const Selector = {\n    DROPDOWN              : '.dropdown',\n    NAV_LIST_GROUP        : '.nav, .list-group',\n    ACTIVE                : '.active',\n    ACTIVE_UL             : '> li > .active',\n    DATA_TOGGLE           : '[data-toggle=\"tab\"], [data-toggle=\"pill\"], [data-toggle=\"list\"]',\n    DROPDOWN_TOGGLE       : '.dropdown-toggle',\n    DROPDOWN_ACTIVE_CHILD : '> .dropdown-menu .active'\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Tab {\n\n    constructor(element) {\n      this._element = element\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n\n    // public\n\n    show() {\n      if (this._element.parentNode &&\n          this._element.parentNode.nodeType === Node.ELEMENT_NODE &&\n          $(this._element).hasClass(ClassName.ACTIVE) ||\n          $(this._element).hasClass(ClassName.DISABLED)) {\n        return\n      }\n\n      let target\n      let previous\n      const listElement = $(this._element).closest(Selector.NAV_LIST_GROUP)[0]\n      const selector    = Util.getSelectorFromElement(this._element)\n\n      if (listElement) {\n        const itemSelector = listElement.nodeName === 'UL' ? Selector.ACTIVE_UL : Selector.ACTIVE\n        previous = $.makeArray($(listElement).find(itemSelector))\n        previous = previous[previous.length - 1]\n      }\n\n      const hideEvent = $.Event(Event.HIDE, {\n        relatedTarget: this._element\n      })\n\n      const showEvent = $.Event(Event.SHOW, {\n        relatedTarget: previous\n      })\n\n      if (previous) {\n        $(previous).trigger(hideEvent)\n      }\n\n      $(this._element).trigger(showEvent)\n\n      if (showEvent.isDefaultPrevented() ||\n         hideEvent.isDefaultPrevented()) {\n        return\n      }\n\n      if (selector) {\n        target = $(selector)[0]\n      }\n\n      this._activate(\n        this._element,\n        listElement\n      )\n\n      const complete = () => {\n        const hiddenEvent = $.Event(Event.HIDDEN, {\n          relatedTarget: this._element\n        })\n\n        const shownEvent = $.Event(Event.SHOWN, {\n          relatedTarget: previous\n        })\n\n        $(previous).trigger(hiddenEvent)\n        $(this._element).trigger(shownEvent)\n      }\n\n      if (target) {\n        this._activate(target, target.parentNode, complete)\n      } else {\n        complete()\n      }\n    }\n\n    dispose() {\n      $.removeData(this._element, DATA_KEY)\n      this._element = null\n    }\n\n\n    // private\n\n    _activate(element, container, callback) {\n      let activeElements\n      if (container.nodeName === 'UL') {\n        activeElements = $(container).find(Selector.ACTIVE_UL)\n      } else {\n        activeElements = $(container).children(Selector.ACTIVE)\n      }\n\n      const active          = activeElements[0]\n      const isTransitioning = callback\n        && Util.supportsTransitionEnd()\n        && (active && $(active).hasClass(ClassName.FADE))\n\n      const complete = () => this._transitionComplete(\n        element,\n        active,\n        isTransitioning,\n        callback\n      )\n\n      if (active && isTransitioning) {\n        $(active)\n          .one(Util.TRANSITION_END, complete)\n          .emulateTransitionEnd(TRANSITION_DURATION)\n\n      } else {\n        complete()\n      }\n\n      if (active) {\n        $(active).removeClass(ClassName.SHOW)\n      }\n    }\n\n    _transitionComplete(element, active, isTransitioning, callback) {\n      if (active) {\n        $(active).removeClass(ClassName.ACTIVE)\n\n        const dropdownChild = $(active.parentNode).find(\n          Selector.DROPDOWN_ACTIVE_CHILD\n        )[0]\n\n        if (dropdownChild) {\n          $(dropdownChild).removeClass(ClassName.ACTIVE)\n        }\n\n        active.setAttribute('aria-expanded', false)\n      }\n\n      $(element).addClass(ClassName.ACTIVE)\n      element.setAttribute('aria-expanded', true)\n\n      if (isTransitioning) {\n        Util.reflow(element)\n        $(element).addClass(ClassName.SHOW)\n      } else {\n        $(element).removeClass(ClassName.FADE)\n      }\n\n      if (element.parentNode &&\n          $(element.parentNode).hasClass(ClassName.DROPDOWN_MENU)) {\n\n        const dropdownElement = $(element).closest(Selector.DROPDOWN)[0]\n        if (dropdownElement) {\n          $(dropdownElement).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE)\n        }\n\n        element.setAttribute('aria-expanded', true)\n      }\n\n      if (callback) {\n        callback()\n      }\n    }\n\n\n    // static\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        const $this = $(this)\n        let data    = $this.data(DATA_KEY)\n\n        if (!data) {\n          data = new Tab(this)\n          $this.data(DATA_KEY, data)\n        }\n\n        if (typeof config === 'string') {\n          if (typeof data[config] === 'undefined') {\n            throw new Error(`No method named \"${config}\"`)\n          }\n          data[config]()\n        }\n      })\n    }\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Data Api implementation\n   * ------------------------------------------------------------------------\n   */\n\n  $(document)\n    .on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {\n      event.preventDefault()\n      Tab._jQueryInterface.call($(this), 'show')\n    })\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = Tab._jQueryInterface\n  $.fn[NAME].Constructor = Tab\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return Tab._jQueryInterface\n  }\n\n  return Tab\n\n})(jQuery)\n\nexport default Tab\n"]}
\ No newline at end of file
diff --git a/js/dist/tooltip.js b/js/dist/tooltip.js
index 9193ba5f29..a386e0241f 100644
--- a/js/dist/tooltip.js
+++ b/js/dist/tooltip.js
@@ -1,3 +1,5 @@
+'use strict';
+
 var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
 
 var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
@@ -11,7 +13,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
  * --------------------------------------------------------------------------
  */
 
-var Tooltip = function ($) {
+var Tooltip = function () {
 
   /**
    * Check for Popper dependency
@@ -135,493 +137,529 @@ var Tooltip = function ($) {
 
     // getters
 
-    // public
+    _createClass(Tooltip, [{
+      key: 'enable',
 
-    Tooltip.prototype.enable = function enable() {
-      this._isEnabled = true;
-    };
 
-    Tooltip.prototype.disable = function disable() {
-      this._isEnabled = false;
-    };
+      // public
 
-    Tooltip.prototype.toggleEnabled = function toggleEnabled() {
-      this._isEnabled = !this._isEnabled;
-    };
+      value: function enable() {
+        this._isEnabled = true;
+      }
+    }, {
+      key: 'disable',
+      value: function disable() {
+        this._isEnabled = false;
+      }
+    }, {
+      key: 'toggleEnabled',
+      value: function toggleEnabled() {
+        this._isEnabled = !this._isEnabled;
+      }
+    }, {
+      key: 'toggle',
+      value: function toggle(event) {
+        if (!this._isEnabled) {
+          return;
+        }
 
-    Tooltip.prototype.toggle = function toggle(event) {
-      if (event) {
-        var dataKey = this.constructor.DATA_KEY;
-        var context = $(event.currentTarget).data(dataKey);
+        if (event) {
+          var dataKey = this.constructor.DATA_KEY;
+          var context = $(event.currentTarget).data(dataKey);
 
-        if (!context) {
-          context = new this.constructor(event.currentTarget, this._getDelegateConfig());
-          $(event.currentTarget).data(dataKey, context);
-        }
+          if (!context) {
+            context = new this.constructor(event.currentTarget, this._getDelegateConfig());
+            $(event.currentTarget).data(dataKey, context);
+          }
 
-        context._activeTrigger.click = !context._activeTrigger.click;
+          context._activeTrigger.click = !context._activeTrigger.click;
 
-        if (context._isWithActiveTrigger()) {
-          context._enter(null, context);
+          if (context._isWithActiveTrigger()) {
+            context._enter(null, context);
+          } else {
+            context._leave(null, context);
+          }
         } else {
-          context._leave(null, context);
-        }
-      } else {
 
-        if ($(this.getTipElement()).hasClass(ClassName.SHOW)) {
-          this._leave(null, this);
-          return;
-        }
+          if ($(this.getTipElement()).hasClass(ClassName.SHOW)) {
+            this._leave(null, this);
+            return;
+          }
 
-        this._enter(null, this);
+          this._enter(null, this);
+        }
       }
-    };
-
-    Tooltip.prototype.dispose = function dispose() {
-      clearTimeout(this._timeout);
-
-      $.removeData(this.element, this.constructor.DATA_KEY);
-
-      $(this.element).off(this.constructor.EVENT_KEY);
-      $(this.element).closest('.modal').off('hide.bs.modal');
+    }, {
+      key: 'dispose',
+      value: function dispose() {
+        clearTimeout(this._timeout);
 
-      if (this.tip) {
-        $(this.tip).remove();
-      }
+        $.removeData(this.element, this.constructor.DATA_KEY);
 
-      this._isEnabled = null;
-      this._timeout = null;
-      this._hoverState = null;
-      this._activeTrigger = null;
-      if (this._popper !== null) {
-        this._popper.destroy();
-      }
-      this._popper = null;
+        $(this.element).off(this.constructor.EVENT_KEY);
+        $(this.element).closest('.modal').off('hide.bs.modal');
 
-      this.element = null;
-      this.config = null;
-      this.tip = null;
-    };
+        if (this.tip) {
+          $(this.tip).remove();
+        }
 
-    Tooltip.prototype.show = function show() {
-      var _this = this;
+        this._isEnabled = null;
+        this._timeout = null;
+        this._hoverState = null;
+        this._activeTrigger = null;
+        if (this._popper !== null) {
+          this._popper.destroy();
+        }
 
-      if ($(this.element).css('display') === 'none') {
-        throw new Error('Please use show on visible elements');
+        this._popper = null;
+        this.element = null;
+        this.config = null;
+        this.tip = null;
       }
+    }, {
+      key: 'show',
+      value: function show() {
+        var _this = this;
 
-      var showEvent = $.Event(this.constructor.Event.SHOW);
-      if (this.isWithContent() && this._isEnabled) {
-        $(this.element).trigger(showEvent);
+        if ($(this.element).css('display') === 'none') {
+          throw new Error('Please use show on visible elements');
+        }
 
-        var isInTheDom = $.contains(this.element.ownerDocument.documentElement, this.element);
+        var showEvent = $.Event(this.constructor.Event.SHOW);
+        if (this.isWithContent() && this._isEnabled) {
+          $(this.element).trigger(showEvent);
 
-        if (showEvent.isDefaultPrevented() || !isInTheDom) {
-          return;
-        }
+          var isInTheDom = $.contains(this.element.ownerDocument.documentElement, this.element);
 
-        var tip = this.getTipElement();
-        var tipId = Util.getUID(this.constructor.NAME);
+          if (showEvent.isDefaultPrevented() || !isInTheDom) {
+            return;
+          }
 
-        tip.setAttribute('id', tipId);
-        this.element.setAttribute('aria-describedby', tipId);
+          var tip = this.getTipElement();
+          var tipId = Util.getUID(this.constructor.NAME);
 
-        this.setContent();
+          tip.setAttribute('id', tipId);
+          this.element.setAttribute('aria-describedby', tipId);
 
-        if (this.config.animation) {
-          $(tip).addClass(ClassName.FADE);
-        }
+          this.setContent();
 
-        var placement = typeof this.config.placement === 'function' ? this.config.placement.call(this, tip, this.element) : this.config.placement;
+          if (this.config.animation) {
+            $(tip).addClass(ClassName.FADE);
+          }
 
-        var attachment = this._getAttachment(placement);
-        this.addAttachmentClass(attachment);
+          var placement = typeof this.config.placement === 'function' ? this.config.placement.call(this, tip, this.element) : this.config.placement;
 
-        var container = this.config.container === false ? document.body : $(this.config.container);
+          var attachment = this._getAttachment(placement);
+          this.addAttachmentClass(attachment);
 
-        $(tip).data(this.constructor.DATA_KEY, this);
+          var container = this.config.container === false ? document.body : $(this.config.container);
 
-        if (!$.contains(this.element.ownerDocument.documentElement, this.tip)) {
-          $(tip).appendTo(container);
-        }
+          $(tip).data(this.constructor.DATA_KEY, this);
 
-        $(this.element).trigger(this.constructor.Event.INSERTED);
+          if (!$.contains(this.element.ownerDocument.documentElement, this.tip)) {
+            $(tip).appendTo(container);
+          }
 
-        this._popper = new Popper(this.element, tip, {
-          placement: attachment,
-          modifiers: {
-            offset: {
-              offset: this.config.offset
+          $(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
+              }
             },
-            flip: {
-              behavior: this.config.fallbackPlacement
+            onCreate: function onCreate(data) {
+              if (data.originalPlacement !== data.placement) {
+                _this._handlePopperPlacementChange(data);
+              }
             },
-            arrow: {
-              element: Selector.ARROW
-            }
-          },
-          onCreate: function onCreate(data) {
-            if (data.originalPlacement !== data.placement) {
+            onUpdate: function onUpdate(data) {
               _this._handlePopperPlacementChange(data);
             }
-          },
-          onUpdate: function onUpdate(data) {
-            _this._handlePopperPlacementChange(data);
+          });
+
+          $(tip).addClass(ClassName.SHOW);
+
+          // 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) {
+            $('body').children().on('mouseover', null, $.noop);
           }
-        });
 
-        $(tip).addClass(ClassName.SHOW);
+          var complete = function complete() {
+            if (_this.config.animation) {
+              _this._fixTransition();
+            }
+            var prevHoverState = _this._hoverState;
+            _this._hoverState = null;
 
-        // 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) {
-          $('body').children().on('mouseover', null, $.noop);
+            $(_this.element).trigger(_this.constructor.Event.SHOWN);
+
+            if (prevHoverState === HoverState.OUT) {
+              _this._leave(null, _this);
+            }
+          };
+
+          if (Util.supportsTransitionEnd() && $(this.tip).hasClass(ClassName.FADE)) {
+            $(this.tip).one(Util.TRANSITION_END, complete).emulateTransitionEnd(Tooltip._TRANSITION_DURATION);
+          } else {
+            complete();
+          }
         }
+      }
+    }, {
+      key: 'hide',
+      value: function hide(callback) {
+        var _this2 = this;
 
+        var tip = this.getTipElement();
+        var hideEvent = $.Event(this.constructor.Event.HIDE);
         var complete = function complete() {
-          if (_this.config.animation) {
-            _this._fixTransition();
+          if (_this2._hoverState !== HoverState.SHOW && tip.parentNode) {
+            tip.parentNode.removeChild(tip);
           }
-          var prevHoverState = _this._hoverState;
-          _this._hoverState = null;
 
-          $(_this.element).trigger(_this.constructor.Event.SHOWN);
+          _this2._cleanTipClass();
+          _this2.element.removeAttribute('aria-describedby');
+          $(_this2.element).trigger(_this2.constructor.Event.HIDDEN);
+          if (_this2._popper !== null) {
+            _this2._popper.destroy();
+          }
 
-          if (prevHoverState === HoverState.OUT) {
-            _this._leave(null, _this);
+          if (callback) {
+            callback();
           }
         };
 
-        if (Util.supportsTransitionEnd() && $(this.tip).hasClass(ClassName.FADE)) {
-          $(this.tip).one(Util.TRANSITION_END, complete).emulateTransitionEnd(Tooltip._TRANSITION_DURATION);
-        } else {
-          complete();
-        }
-      }
-    };
-
-    Tooltip.prototype.hide = function hide(callback) {
-      var _this2 = this;
+        $(this.element).trigger(hideEvent);
 
-      var tip = this.getTipElement();
-      var hideEvent = $.Event(this.constructor.Event.HIDE);
-      var complete = function complete() {
-        if (_this2._hoverState !== HoverState.SHOW && tip.parentNode) {
-          tip.parentNode.removeChild(tip);
+        if (hideEvent.isDefaultPrevented()) {
+          return;
         }
 
-        _this2._cleanTipClass();
-        _this2.element.removeAttribute('aria-describedby');
-        $(_this2.element).trigger(_this2.constructor.Event.HIDDEN);
-        if (_this2._popper !== null) {
-          _this2._popper.destroy();
-        }
+        $(tip).removeClass(ClassName.SHOW);
 
-        if (callback) {
-          callback();
+        // if this is a touch-enabled device we remove the extra
+        // empty mouseover listeners we added for iOS support
+        if ('ontouchstart' in document.documentElement) {
+          $('body').children().off('mouseover', null, $.noop);
         }
-      };
 
-      $(this.element).trigger(hideEvent);
+        this._activeTrigger[Trigger.CLICK] = false;
+        this._activeTrigger[Trigger.FOCUS] = false;
+        this._activeTrigger[Trigger.HOVER] = false;
 
-      if (hideEvent.isDefaultPrevented()) {
-        return;
-      }
+        if (Util.supportsTransitionEnd() && $(this.tip).hasClass(ClassName.FADE)) {
 
-      $(tip).removeClass(ClassName.SHOW);
+          $(tip).one(Util.TRANSITION_END, complete).emulateTransitionEnd(TRANSITION_DURATION);
+        } else {
+          complete();
+        }
 
-      // if this is a touch-enabled device we remove the extra
-      // empty mouseover listeners we added for iOS support
-      if ('ontouchstart' in document.documentElement) {
-        $('body').children().off('mouseover', null, $.noop);
+        this._hoverState = '';
       }
-
-      this._activeTrigger[Trigger.CLICK] = false;
-      this._activeTrigger[Trigger.FOCUS] = false;
-      this._activeTrigger[Trigger.HOVER] = false;
-
-      if (Util.supportsTransitionEnd() && $(this.tip).hasClass(ClassName.FADE)) {
-
-        $(tip).one(Util.TRANSITION_END, complete).emulateTransitionEnd(TRANSITION_DURATION);
-      } else {
-        complete();
+    }, {
+      key: 'update',
+      value: function update() {
+        if (this._popper !== null) {
+          this._popper.scheduleUpdate();
+        }
       }
 
-      this._hoverState = '';
-    };
+      // protected
 
-    Tooltip.prototype.update = function update() {
-      if (this._popper !== null) {
-        this._popper.scheduleUpdate();
+    }, {
+      key: 'isWithContent',
+      value: function isWithContent() {
+        return Boolean(this.getTitle());
       }
-    };
-
-    // protected
-
-    Tooltip.prototype.isWithContent = function isWithContent() {
-      return Boolean(this.getTitle());
-    };
-
-    Tooltip.prototype.addAttachmentClass = function addAttachmentClass(attachment) {
-      $(this.getTipElement()).addClass(CLASS_PREFIX + '-' + attachment);
-    };
-
-    Tooltip.prototype.getTipElement = function getTipElement() {
-      return this.tip = this.tip || $(this.config.template)[0];
-    };
-
-    Tooltip.prototype.setContent = function setContent() {
-      var $tip = $(this.getTipElement());
-      this.setElementContent($tip.find(Selector.TOOLTIP_INNER), this.getTitle());
-      $tip.removeClass(ClassName.FADE + ' ' + ClassName.SHOW);
-    };
-
-    Tooltip.prototype.setElementContent = function setElementContent($element, content) {
-      var html = this.config.html;
-      if ((typeof content === 'undefined' ? 'undefined' : _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);
+    }, {
+      key: 'addAttachmentClass',
+      value: function addAttachmentClass(attachment) {
+        $(this.getTipElement()).addClass(CLASS_PREFIX + '-' + attachment);
+      }
+    }, {
+      key: 'getTipElement',
+      value: function getTipElement() {
+        this.tip = this.tip || $(this.config.template)[0];
+        return this.tip;
+      }
+    }, {
+      key: 'setContent',
+      value: function setContent() {
+        var $tip = $(this.getTipElement());
+        this.setElementContent($tip.find(Selector.TOOLTIP_INNER), this.getTitle());
+        $tip.removeClass(ClassName.FADE + ' ' + ClassName.SHOW);
+      }
+    }, {
+      key: 'setElementContent',
+      value: function setElementContent($element, content) {
+        var html = this.config.html;
+        if ((typeof content === 'undefined' ? 'undefined' : _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 {
-          $element.text($(content).text());
+          $element[html ? 'html' : 'text'](content);
         }
-      } else {
-        $element[html ? 'html' : 'text'](content);
       }
-    };
+    }, {
+      key: 'getTitle',
+      value: function getTitle() {
+        var title = this.element.getAttribute('data-original-title');
 
-    Tooltip.prototype.getTitle = function getTitle() {
-      var title = this.element.getAttribute('data-original-title');
+        if (!title) {
+          title = typeof this.config.title === 'function' ? this.config.title.call(this.element) : this.config.title;
+        }
 
-      if (!title) {
-        title = typeof this.config.title === 'function' ? this.config.title.call(this.element) : this.config.title;
+        return title;
       }
 
-      return title;
-    };
-
-    // private
-
-    Tooltip.prototype._getAttachment = function _getAttachment(placement) {
-      return AttachmentMap[placement.toUpperCase()];
-    };
-
-    Tooltip.prototype._setListeners = function _setListeners() {
-      var _this3 = this;
+      // private
 
-      var triggers = this.config.trigger.split(' ');
+    }, {
+      key: '_getAttachment',
+      value: function _getAttachment(placement) {
+        return AttachmentMap[placement.toUpperCase()];
+      }
+    }, {
+      key: '_setListeners',
+      value: function _setListeners() {
+        var _this3 = this;
+
+        var triggers = this.config.trigger.split(' ');
+
+        triggers.forEach(function (trigger) {
+          if (trigger === 'click') {
+            $(_this3.element).on(_this3.constructor.Event.CLICK, _this3.config.selector, function (event) {
+              return _this3.toggle(event);
+            });
+          } else if (trigger !== Trigger.MANUAL) {
+            var eventIn = trigger === Trigger.HOVER ? _this3.constructor.Event.MOUSEENTER : _this3.constructor.Event.FOCUSIN;
+            var eventOut = trigger === Trigger.HOVER ? _this3.constructor.Event.MOUSELEAVE : _this3.constructor.Event.FOCUSOUT;
+
+            $(_this3.element).on(eventIn, _this3.config.selector, function (event) {
+              return _this3._enter(event);
+            }).on(eventOut, _this3.config.selector, function (event) {
+              return _this3._leave(event);
+            });
+          }
 
-      triggers.forEach(function (trigger) {
-        if (trigger === 'click') {
-          $(_this3.element).on(_this3.constructor.Event.CLICK, _this3.config.selector, function (event) {
-            return _this3.toggle(event);
-          });
-        } else if (trigger !== Trigger.MANUAL) {
-          var eventIn = trigger === Trigger.HOVER ? _this3.constructor.Event.MOUSEENTER : _this3.constructor.Event.FOCUSIN;
-          var eventOut = trigger === Trigger.HOVER ? _this3.constructor.Event.MOUSELEAVE : _this3.constructor.Event.FOCUSOUT;
-
-          $(_this3.element).on(eventIn, _this3.config.selector, function (event) {
-            return _this3._enter(event);
-          }).on(eventOut, _this3.config.selector, function (event) {
-            return _this3._leave(event);
+          $(_this3.element).closest('.modal').on('hide.bs.modal', function () {
+            return _this3.hide();
           });
-        }
-
-        $(_this3.element).closest('.modal').on('hide.bs.modal', function () {
-          return _this3.hide();
         });
-      });
 
-      if (this.config.selector) {
-        this.config = $.extend({}, this.config, {
-          trigger: 'manual',
-          selector: ''
-        });
-      } else {
-        this._fixTitle();
+        if (this.config.selector) {
+          this.config = $.extend({}, this.config, {
+            trigger: 'manual',
+            selector: ''
+          });
+        } else {
+          this._fixTitle();
+        }
       }
-    };
-
-    Tooltip.prototype._fixTitle = function _fixTitle() {
-      var 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', '');
+    }, {
+      key: '_fixTitle',
+      value: function _fixTitle() {
+        var 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', '');
+        }
       }
-    };
-
-    Tooltip.prototype._enter = function _enter(event, context) {
-      var dataKey = this.constructor.DATA_KEY;
-
-      context = context || $(event.currentTarget).data(dataKey);
+    }, {
+      key: '_enter',
+      value: function _enter(event, context) {
+        var dataKey = this.constructor.DATA_KEY;
 
-      if (!context) {
-        context = new this.constructor(event.currentTarget, this._getDelegateConfig());
-        $(event.currentTarget).data(dataKey, context);
-      }
+        context = context || $(event.currentTarget).data(dataKey);
 
-      if (event) {
-        context._activeTrigger[event.type === 'focusin' ? Trigger.FOCUS : Trigger.HOVER] = true;
-      }
+        if (!context) {
+          context = new this.constructor(event.currentTarget, this._getDelegateConfig());
+          $(event.currentTarget).data(dataKey, context);
+        }
 
-      if ($(context.getTipElement()).hasClass(ClassName.SHOW) || context._hoverState === HoverState.SHOW) {
-        context._hoverState = HoverState.SHOW;
-        return;
-      }
+        if (event) {
+          context._activeTrigger[event.type === 'focusin' ? Trigger.FOCUS : Trigger.HOVER] = true;
+        }
 
-      clearTimeout(context._timeout);
+        if ($(context.getTipElement()).hasClass(ClassName.SHOW) || context._hoverState === HoverState.SHOW) {
+          context._hoverState = HoverState.SHOW;
+          return;
+        }
 
-      context._hoverState = HoverState.SHOW;
+        clearTimeout(context._timeout);
 
-      if (!context.config.delay || !context.config.delay.show) {
-        context.show();
-        return;
-      }
+        context._hoverState = HoverState.SHOW;
 
-      context._timeout = setTimeout(function () {
-        if (context._hoverState === HoverState.SHOW) {
+        if (!context.config.delay || !context.config.delay.show) {
           context.show();
+          return;
         }
-      }, context.config.delay.show);
-    };
 
-    Tooltip.prototype._leave = function _leave(event, context) {
-      var dataKey = this.constructor.DATA_KEY;
-
-      context = context || $(event.currentTarget).data(dataKey);
-
-      if (!context) {
-        context = new this.constructor(event.currentTarget, this._getDelegateConfig());
-        $(event.currentTarget).data(dataKey, context);
-      }
-
-      if (event) {
-        context._activeTrigger[event.type === 'focusout' ? Trigger.FOCUS : Trigger.HOVER] = false;
-      }
-
-      if (context._isWithActiveTrigger()) {
-        return;
+        context._timeout = setTimeout(function () {
+          if (context._hoverState === HoverState.SHOW) {
+            context.show();
+          }
+        }, context.config.delay.show);
       }
+    }, {
+      key: '_leave',
+      value: function _leave(event, context) {
+        var dataKey = this.constructor.DATA_KEY;
 
-      clearTimeout(context._timeout);
-
-      context._hoverState = HoverState.OUT;
+        context = context || $(event.currentTarget).data(dataKey);
 
-      if (!context.config.delay || !context.config.delay.hide) {
-        context.hide();
-        return;
-      }
+        if (!context) {
+          context = new this.constructor(event.currentTarget, this._getDelegateConfig());
+          $(event.currentTarget).data(dataKey, context);
+        }
 
-      context._timeout = setTimeout(function () {
-        if (context._hoverState === HoverState.OUT) {
-          context.hide();
+        if (event) {
+          context._activeTrigger[event.type === 'focusout' ? Trigger.FOCUS : Trigger.HOVER] = false;
         }
-      }, context.config.delay.hide);
-    };
 
-    Tooltip.prototype._isWithActiveTrigger = function _isWithActiveTrigger() {
-      for (var trigger in this._activeTrigger) {
-        if (this._activeTrigger[trigger]) {
-          return true;
+        if (context._isWithActiveTrigger()) {
+          return;
         }
-      }
 
-      return false;
-    };
+        clearTimeout(context._timeout);
 
-    Tooltip.prototype._getConfig = function _getConfig(config) {
-      config = $.extend({}, this.constructor.Default, $(this.element).data(), config);
+        context._hoverState = HoverState.OUT;
 
-      if (config.delay && typeof config.delay === 'number') {
-        config.delay = {
-          show: config.delay,
-          hide: config.delay
-        };
-      }
+        if (!context.config.delay || !context.config.delay.hide) {
+          context.hide();
+          return;
+        }
 
-      if (config.title && typeof config.title === 'number') {
-        config.title = config.title.toString();
+        context._timeout = setTimeout(function () {
+          if (context._hoverState === HoverState.OUT) {
+            context.hide();
+          }
+        }, context.config.delay.hide);
       }
+    }, {
+      key: '_isWithActiveTrigger',
+      value: function _isWithActiveTrigger() {
+        for (var trigger in this._activeTrigger) {
+          if (this._activeTrigger[trigger]) {
+            return true;
+          }
+        }
 
-      if (config.content && typeof config.content === 'number') {
-        config.content = config.content.toString();
+        return false;
       }
+    }, {
+      key: '_getConfig',
+      value: function _getConfig(config) {
+        config = $.extend({}, this.constructor.Default, $(this.element).data(), config);
+
+        if (config.delay && typeof config.delay === 'number') {
+          config.delay = {
+            show: config.delay,
+            hide: config.delay
+          };
+        }
 
-      Util.typeCheckConfig(NAME, config, this.constructor.DefaultType);
+        if (config.title && typeof config.title === 'number') {
+          config.title = config.title.toString();
+        }
 
-      return config;
-    };
+        if (config.content && typeof config.content === 'number') {
+          config.content = config.content.toString();
+        }
 
-    Tooltip.prototype._getDelegateConfig = function _getDelegateConfig() {
-      var config = {};
+        Util.typeCheckConfig(NAME, config, this.constructor.DefaultType);
 
-      if (this.config) {
-        for (var key in this.config) {
-          if (this.constructor.Default[key] !== this.config[key]) {
-            config[key] = this.config[key];
+        return config;
+      }
+    }, {
+      key: '_getDelegateConfig',
+      value: function _getDelegateConfig() {
+        var config = {};
+
+        if (this.config) {
+          for (var key in this.config) {
+            if (this.constructor.Default[key] !== this.config[key]) {
+              config[key] = this.config[key];
+            }
           }
         }
-      }
 
-      return config;
-    };
-
-    Tooltip.prototype._cleanTipClass = function _cleanTipClass() {
-      var $tip = $(this.getTipElement());
-      var tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX);
-      if (tabClass !== null && tabClass.length > 0) {
-        $tip.removeClass(tabClass.join(''));
+        return config;
       }
-    };
-
-    Tooltip.prototype._handlePopperPlacementChange = function _handlePopperPlacementChange(data) {
-      this._cleanTipClass();
-      this.addAttachmentClass(this._getAttachment(data.placement));
-    };
-
-    Tooltip.prototype._fixTransition = function _fixTransition() {
-      var tip = this.getTipElement();
-      var initConfigAnimation = this.config.animation;
-      if (tip.getAttribute('x-placement') !== null) {
-        return;
+    }, {
+      key: '_cleanTipClass',
+      value: function _cleanTipClass() {
+        var $tip = $(this.getTipElement());
+        var tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX);
+        if (tabClass !== null && tabClass.length > 0) {
+          $tip.removeClass(tabClass.join(''));
+        }
       }
-      $(tip).removeClass(ClassName.FADE);
-      this.config.animation = false;
-      this.hide();
-      this.show();
-      this.config.animation = initConfigAnimation;
-    };
-
-    // static
-
-    Tooltip._jQueryInterface = function _jQueryInterface(config) {
-      return this.each(function () {
-        var data = $(this).data(DATA_KEY);
-        var _config = (typeof config === 'undefined' ? 'undefined' : _typeof(config)) === 'object' && config;
-
-        if (!data && /dispose|hide/.test(config)) {
+    }, {
+      key: '_handlePopperPlacementChange',
+      value: function _handlePopperPlacementChange(data) {
+        this._cleanTipClass();
+        this.addAttachmentClass(this._getAttachment(data.placement));
+      }
+    }, {
+      key: '_fixTransition',
+      value: function _fixTransition() {
+        var tip = this.getTipElement();
+        var 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 (!data) {
-          data = new Tooltip(this, _config);
-          $(this).data(DATA_KEY, data);
-        }
+      // static
+
+    }], [{
+      key: '_jQueryInterface',
+      value: function _jQueryInterface(config) {
+        return this.each(function () {
+          var data = $(this).data(DATA_KEY);
+          var _config = (typeof config === 'undefined' ? 'undefined' : _typeof(config)) === 'object' && config;
 
-        if (typeof config === 'string') {
-          if (data[config] === undefined) {
-            throw new Error('No method named "' + config + '"');
+          if (!data && /dispose|hide/.test(config)) {
+            return;
+          }
+
+          if (!data) {
+            data = new Tooltip(this, _config);
+            $(this).data(DATA_KEY, data);
           }
-          data[config]();
-        }
-      });
-    };
 
-    _createClass(Tooltip, null, [{
+          if (typeof config === 'string') {
+            if (typeof data[config] === 'undefined') {
+              throw new Error('No method named "' + config + '"');
+            }
+            data[config]();
+          }
+        });
+      }
+    }, {
       key: 'VERSION',
       get: function get() {
         return VERSION;
@@ -675,5 +713,5 @@ var Tooltip = function ($) {
   };
 
   return Tooltip;
-}(jQuery); /* global Popper */
+}(jQuery, Popper);
 //# sourceMappingURL=tooltip.js.map
\ No newline at end of file
diff --git a/js/dist/tooltip.js.map b/js/dist/tooltip.js.map
index 7785033557..50b1e36fa0 100644
--- a/js/dist/tooltip.js.map
+++ b/js/dist/tooltip.js.map
@@ -1 +1 @@
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global Popper */\n\nimport Util from './util'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-beta): tooltip.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Tooltip = (($) => {\n\n  /**\n   * Check for Popper dependency\n   * Popper - https://popper.js.org\n   */\n  if (typeof Popper === 'undefined') {\n    throw new Error('Bootstrap tooltips require Popper.js (https://popper.js.org)')\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                = 'tooltip'\n  const VERSION             = '4.0.0-beta'\n  const DATA_KEY            = 'bs.tooltip'\n  const EVENT_KEY           = `.${DATA_KEY}`\n  const JQUERY_NO_CONFLICT  = $.fn[NAME]\n  const TRANSITION_DURATION = 150\n  const CLASS_PREFIX        = 'bs-tooltip'\n  const BSCLS_PREFIX_REGEX = new RegExp(`(^|\\\\s)${CLASS_PREFIX}\\\\S+`, 'g')\n\n  const DefaultType = {\n    animation           : 'boolean',\n    template            : 'string',\n    title               : '(string|element|function)',\n    trigger             : 'string',\n    delay               : '(number|object)',\n    html                : 'boolean',\n    selector            : '(string|boolean)',\n    placement           : '(string|function)',\n    offset              : '(number|string)',\n    container           : '(string|element|boolean)',\n    fallbackPlacement   : '(string|array)'\n  }\n\n  const AttachmentMap = {\n    AUTO   : 'auto',\n    TOP    : 'top',\n    RIGHT  : 'right',\n    BOTTOM : 'bottom',\n    LEFT   : 'left'\n  }\n\n  const Default = {\n    animation           : true,\n    template            : '<div class=\"tooltip\" role=\"tooltip\">'\n                        + '<div class=\"arrow\"></div>'\n                        + '<div class=\"tooltip-inner\"></div></div>',\n    trigger             : 'hover focus',\n    title               : '',\n    delay               : 0,\n    html                : false,\n    selector            : false,\n    placement           : 'top',\n    offset              : 0,\n    container           : false,\n    fallbackPlacement   : 'flip'\n  }\n\n  const HoverState = {\n    SHOW : 'show',\n    OUT  : 'out'\n  }\n\n  const Event = {\n    HIDE       : `hide${EVENT_KEY}`,\n    HIDDEN     : `hidden${EVENT_KEY}`,\n    SHOW       : `show${EVENT_KEY}`,\n    SHOWN      : `shown${EVENT_KEY}`,\n    INSERTED   : `inserted${EVENT_KEY}`,\n    CLICK      : `click${EVENT_KEY}`,\n    FOCUSIN    : `focusin${EVENT_KEY}`,\n    FOCUSOUT   : `focusout${EVENT_KEY}`,\n    MOUSEENTER : `mouseenter${EVENT_KEY}`,\n    MOUSELEAVE : `mouseleave${EVENT_KEY}`\n  }\n\n  const ClassName = {\n    FADE : 'fade',\n    SHOW : 'show'\n  }\n\n  const Selector = {\n    TOOLTIP       : '.tooltip',\n    TOOLTIP_INNER : '.tooltip-inner',\n    ARROW         : '.arrow'\n  }\n\n  const Trigger = {\n    HOVER  : 'hover',\n    FOCUS  : 'focus',\n    CLICK  : 'click',\n    MANUAL : 'manual'\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Tooltip {\n\n    constructor(element, config) {\n\n      // private\n      this._isEnabled     = true\n      this._timeout       = 0\n      this._hoverState    = ''\n      this._activeTrigger = {}\n      this._popper        = null\n\n      // protected\n      this.element = element\n      this.config  = this._getConfig(config)\n      this.tip     = null\n\n      this._setListeners()\n\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n    static get Default() {\n      return Default\n    }\n\n    static get NAME() {\n      return NAME\n    }\n\n    static get DATA_KEY() {\n      return DATA_KEY\n    }\n\n    static get Event() {\n      return Event\n    }\n\n    static get EVENT_KEY() {\n      return EVENT_KEY\n    }\n\n    static get DefaultType() {\n      return DefaultType\n    }\n\n\n    // public\n\n    enable() {\n      this._isEnabled = true\n    }\n\n    disable() {\n      this._isEnabled = false\n    }\n\n    toggleEnabled() {\n      this._isEnabled = !this._isEnabled\n    }\n\n    toggle(event) {\n      if (event) {\n        const dataKey = this.constructor.DATA_KEY\n        let context = $(event.currentTarget).data(dataKey)\n\n        if (!context) {\n          context = new this.constructor(\n            event.currentTarget,\n            this._getDelegateConfig()\n          )\n          $(event.currentTarget).data(dataKey, context)\n        }\n\n        context._activeTrigger.click = !context._activeTrigger.click\n\n        if (context._isWithActiveTrigger()) {\n          context._enter(null, context)\n        } else {\n          context._leave(null, context)\n        }\n\n      } else {\n\n        if ($(this.getTipElement()).hasClass(ClassName.SHOW)) {\n          this._leave(null, this)\n          return\n        }\n\n        this._enter(null, this)\n      }\n    }\n\n    dispose() {\n      clearTimeout(this._timeout)\n\n      $.removeData(this.element, this.constructor.DATA_KEY)\n\n      $(this.element).off(this.constructor.EVENT_KEY)\n      $(this.element).closest('.modal').off('hide.bs.modal')\n\n      if (this.tip) {\n        $(this.tip).remove()\n      }\n\n      this._isEnabled     = null\n      this._timeout       = null\n      this._hoverState    = null\n      this._activeTrigger = null\n      if (this._popper !== null) {\n        this._popper.destroy()\n      }\n      this._popper        = null\n\n      this.element = null\n      this.config  = null\n      this.tip     = null\n    }\n\n    show() {\n      if ($(this.element).css('display') === 'none') {\n        throw new Error('Please use show on visible elements')\n      }\n\n      const showEvent = $.Event(this.constructor.Event.SHOW)\n      if (this.isWithContent() && this._isEnabled) {\n        $(this.element).trigger(showEvent)\n\n        const isInTheDom = $.contains(\n          this.element.ownerDocument.documentElement,\n          this.element\n        )\n\n        if (showEvent.isDefaultPrevented() || !isInTheDom) {\n          return\n        }\n\n        const tip   = this.getTipElement()\n        const tipId = Util.getUID(this.constructor.NAME)\n\n        tip.setAttribute('id', tipId)\n        this.element.setAttribute('aria-describedby', tipId)\n\n        this.setContent()\n\n        if (this.config.animation) {\n          $(tip).addClass(ClassName.FADE)\n        }\n\n        const placement  = typeof this.config.placement === 'function' ?\n          this.config.placement.call(this, tip, this.element) :\n          this.config.placement\n\n        const attachment = this._getAttachment(placement)\n        this.addAttachmentClass(attachment)\n\n        const container = this.config.container === false ? document.body : $(this.config.container)\n\n        $(tip).data(this.constructor.DATA_KEY, this)\n\n        if (!$.contains(this.element.ownerDocument.documentElement, this.tip)) {\n          $(tip).appendTo(container)\n        }\n\n        $(this.element).trigger(this.constructor.Event.INSERTED)\n\n        this._popper = new Popper(this.element, tip, {\n          placement: attachment,\n          modifiers: {\n            offset: {\n              offset: this.config.offset\n            },\n            flip: {\n              behavior: this.config.fallbackPlacement\n            },\n            arrow: {\n              element: Selector.ARROW\n            }\n          },\n          onCreate: (data) => {\n            if (data.originalPlacement !== data.placement) {\n              this._handlePopperPlacementChange(data)\n            }\n          },\n          onUpdate : (data) => {\n            this._handlePopperPlacementChange(data)\n          }\n        })\n\n        $(tip).addClass(ClassName.SHOW)\n\n        // if this is a touch-enabled device we add extra\n        // empty mouseover listeners to the body's immediate children;\n        // only needed because of broken event delegation on iOS\n        // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html\n        if ('ontouchstart' in document.documentElement) {\n          $('body').children().on('mouseover', null, $.noop)\n        }\n\n        const complete = () => {\n          if (this.config.animation) {\n            this._fixTransition()\n          }\n          const prevHoverState = this._hoverState\n          this._hoverState     = null\n\n          $(this.element).trigger(this.constructor.Event.SHOWN)\n\n          if (prevHoverState === HoverState.OUT) {\n            this._leave(null, this)\n          }\n        }\n\n        if (Util.supportsTransitionEnd() && $(this.tip).hasClass(ClassName.FADE)) {\n          $(this.tip)\n            .one(Util.TRANSITION_END, complete)\n            .emulateTransitionEnd(Tooltip._TRANSITION_DURATION)\n        } else {\n          complete()\n        }\n      }\n    }\n\n    hide(callback) {\n      const tip       = this.getTipElement()\n      const hideEvent = $.Event(this.constructor.Event.HIDE)\n      const complete  = () => {\n        if (this._hoverState !== HoverState.SHOW && tip.parentNode) {\n          tip.parentNode.removeChild(tip)\n        }\n\n        this._cleanTipClass()\n        this.element.removeAttribute('aria-describedby')\n        $(this.element).trigger(this.constructor.Event.HIDDEN)\n        if (this._popper !== null) {\n          this._popper.destroy()\n        }\n\n        if (callback) {\n          callback()\n        }\n      }\n\n      $(this.element).trigger(hideEvent)\n\n      if (hideEvent.isDefaultPrevented()) {\n        return\n      }\n\n      $(tip).removeClass(ClassName.SHOW)\n\n      // if this is a touch-enabled device we remove the extra\n      // empty mouseover listeners we added for iOS support\n      if ('ontouchstart' in document.documentElement) {\n        $('body').children().off('mouseover', null, $.noop)\n      }\n\n      this._activeTrigger[Trigger.CLICK] = false\n      this._activeTrigger[Trigger.FOCUS] = false\n      this._activeTrigger[Trigger.HOVER] = false\n\n      if (Util.supportsTransitionEnd() &&\n          $(this.tip).hasClass(ClassName.FADE)) {\n\n        $(tip)\n          .one(Util.TRANSITION_END, complete)\n          .emulateTransitionEnd(TRANSITION_DURATION)\n\n      } else {\n        complete()\n      }\n\n      this._hoverState = ''\n\n    }\n\n    update() {\n      if (this._popper !== null) {\n        this._popper.scheduleUpdate()\n      }\n    }\n\n    // protected\n\n    isWithContent() {\n      return Boolean(this.getTitle())\n    }\n\n    addAttachmentClass(attachment) {\n      $(this.getTipElement()).addClass(`${CLASS_PREFIX}-${attachment}`)\n    }\n\n    getTipElement() {\n      return this.tip = this.tip || $(this.config.template)[0]\n    }\n\n    setContent() {\n      const $tip = $(this.getTipElement())\n      this.setElementContent($tip.find(Selector.TOOLTIP_INNER), this.getTitle())\n      $tip.removeClass(`${ClassName.FADE} ${ClassName.SHOW}`)\n    }\n\n    setElementContent($element, content) {\n      const html = this.config.html\n      if (typeof content === 'object' && (content.nodeType || content.jquery)) {\n        // content is a DOM node or a jQuery\n        if (html) {\n          if (!$(content).parent().is($element)) {\n            $element.empty().append(content)\n          }\n        } else {\n          $element.text($(content).text())\n        }\n      } else {\n        $element[html ? 'html' : 'text'](content)\n      }\n    }\n\n    getTitle() {\n      let title = this.element.getAttribute('data-original-title')\n\n      if (!title) {\n        title = typeof this.config.title === 'function' ?\n          this.config.title.call(this.element) :\n          this.config.title\n      }\n\n      return title\n    }\n\n\n    // private\n\n    _getAttachment(placement) {\n      return AttachmentMap[placement.toUpperCase()]\n    }\n\n    _setListeners() {\n      const triggers = this.config.trigger.split(' ')\n\n      triggers.forEach((trigger) => {\n        if (trigger === 'click') {\n          $(this.element).on(\n            this.constructor.Event.CLICK,\n            this.config.selector,\n            (event) => this.toggle(event)\n          )\n\n        } else if (trigger !== Trigger.MANUAL) {\n          const eventIn  = trigger === Trigger.HOVER ?\n            this.constructor.Event.MOUSEENTER :\n            this.constructor.Event.FOCUSIN\n          const eventOut = trigger === Trigger.HOVER ?\n            this.constructor.Event.MOUSELEAVE :\n            this.constructor.Event.FOCUSOUT\n\n          $(this.element)\n            .on(\n              eventIn,\n              this.config.selector,\n              (event) => this._enter(event)\n            )\n            .on(\n              eventOut,\n              this.config.selector,\n              (event) => this._leave(event)\n            )\n        }\n\n        $(this.element).closest('.modal').on(\n          'hide.bs.modal',\n          () => this.hide()\n        )\n      })\n\n      if (this.config.selector) {\n        this.config = $.extend({}, this.config, {\n          trigger  : 'manual',\n          selector : ''\n        })\n      } else {\n        this._fixTitle()\n      }\n    }\n\n    _fixTitle() {\n      const titleType = typeof this.element.getAttribute('data-original-title')\n      if (this.element.getAttribute('title') ||\n         titleType !== 'string') {\n        this.element.setAttribute(\n          'data-original-title',\n          this.element.getAttribute('title') || ''\n        )\n        this.element.setAttribute('title', '')\n      }\n    }\n\n    _enter(event, context) {\n      const dataKey = this.constructor.DATA_KEY\n\n      context = context || $(event.currentTarget).data(dataKey)\n\n      if (!context) {\n        context = new this.constructor(\n          event.currentTarget,\n          this._getDelegateConfig()\n        )\n        $(event.currentTarget).data(dataKey, context)\n      }\n\n      if (event) {\n        context._activeTrigger[\n          event.type === 'focusin' ? Trigger.FOCUS : Trigger.HOVER\n        ] = true\n      }\n\n      if ($(context.getTipElement()).hasClass(ClassName.SHOW) ||\n         context._hoverState === HoverState.SHOW) {\n        context._hoverState = HoverState.SHOW\n        return\n      }\n\n      clearTimeout(context._timeout)\n\n      context._hoverState = HoverState.SHOW\n\n      if (!context.config.delay || !context.config.delay.show) {\n        context.show()\n        return\n      }\n\n      context._timeout = setTimeout(() => {\n        if (context._hoverState === HoverState.SHOW) {\n          context.show()\n        }\n      }, context.config.delay.show)\n    }\n\n    _leave(event, context) {\n      const dataKey = this.constructor.DATA_KEY\n\n      context = context || $(event.currentTarget).data(dataKey)\n\n      if (!context) {\n        context = new this.constructor(\n          event.currentTarget,\n          this._getDelegateConfig()\n        )\n        $(event.currentTarget).data(dataKey, context)\n      }\n\n      if (event) {\n        context._activeTrigger[\n          event.type === 'focusout' ? Trigger.FOCUS : Trigger.HOVER\n        ] = false\n      }\n\n      if (context._isWithActiveTrigger()) {\n        return\n      }\n\n      clearTimeout(context._timeout)\n\n      context._hoverState = HoverState.OUT\n\n      if (!context.config.delay || !context.config.delay.hide) {\n        context.hide()\n        return\n      }\n\n      context._timeout = setTimeout(() => {\n        if (context._hoverState === HoverState.OUT) {\n          context.hide()\n        }\n      }, context.config.delay.hide)\n    }\n\n    _isWithActiveTrigger() {\n      for (const trigger in this._activeTrigger) {\n        if (this._activeTrigger[trigger]) {\n          return true\n        }\n      }\n\n      return false\n    }\n\n    _getConfig(config) {\n      config = $.extend(\n        {},\n        this.constructor.Default,\n        $(this.element).data(),\n        config\n      )\n\n      if (config.delay && typeof config.delay === 'number') {\n        config.delay = {\n          show : config.delay,\n          hide : config.delay\n        }\n      }\n\n      if (config.title && typeof config.title === 'number') {\n        config.title = config.title.toString()\n      }\n\n      if (config.content && typeof config.content === 'number') {\n        config.content = config.content.toString()\n      }\n\n      Util.typeCheckConfig(\n        NAME,\n        config,\n        this.constructor.DefaultType\n      )\n\n      return config\n    }\n\n    _getDelegateConfig() {\n      const config = {}\n\n      if (this.config) {\n        for (const key in this.config) {\n          if (this.constructor.Default[key] !== this.config[key]) {\n            config[key] = this.config[key]\n          }\n        }\n      }\n\n      return config\n    }\n\n    _cleanTipClass() {\n      const $tip = $(this.getTipElement())\n      const tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX)\n      if (tabClass !== null && tabClass.length > 0) {\n        $tip.removeClass(tabClass.join(''))\n      }\n    }\n\n    _handlePopperPlacementChange(data) {\n      this._cleanTipClass()\n      this.addAttachmentClass(this._getAttachment(data.placement))\n    }\n\n    _fixTransition() {\n      const tip                 = this.getTipElement()\n      const initConfigAnimation = this.config.animation\n      if (tip.getAttribute('x-placement') !== null) {\n        return\n      }\n      $(tip).removeClass(ClassName.FADE)\n      this.config.animation = false\n      this.hide()\n      this.show()\n      this.config.animation = initConfigAnimation\n    }\n\n    // static\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        let data      = $(this).data(DATA_KEY)\n        const _config = typeof config === 'object' && config\n\n        if (!data && /dispose|hide/.test(config)) {\n          return\n        }\n\n        if (!data) {\n          data = new Tooltip(this, _config)\n          $(this).data(DATA_KEY, data)\n        }\n\n        if (typeof config === 'string') {\n          if (data[config] === undefined) {\n            throw new Error(`No method named \"${config}\"`)\n          }\n          data[config]()\n        }\n      })\n    }\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = Tooltip._jQueryInterface\n  $.fn[NAME].Constructor = Tooltip\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return Tooltip._jQueryInterface\n  }\n\n  return Tooltip\n\n})(jQuery)\n\nexport default Tooltip\n"]}
\ No newline at end of file
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$ from 'jquery'\nimport Popper from 'popper.js'\nimport Util from './util'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-beta): tooltip.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Tooltip = (() => {\n\n  /**\n   * Check for Popper dependency\n   * Popper - https://popper.js.org\n   */\n  if (typeof Popper === 'undefined') {\n    throw new Error('Bootstrap tooltips require Popper.js (https://popper.js.org)')\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                = 'tooltip'\n  const VERSION             = '4.0.0-beta'\n  const DATA_KEY            = 'bs.tooltip'\n  const EVENT_KEY           = `.${DATA_KEY}`\n  const JQUERY_NO_CONFLICT  = $.fn[NAME]\n  const TRANSITION_DURATION = 150\n  const CLASS_PREFIX        = 'bs-tooltip'\n  const BSCLS_PREFIX_REGEX = new RegExp(`(^|\\\\s)${CLASS_PREFIX}\\\\S+`, 'g')\n\n  const DefaultType = {\n    animation           : 'boolean',\n    template            : 'string',\n    title               : '(string|element|function)',\n    trigger             : 'string',\n    delay               : '(number|object)',\n    html                : 'boolean',\n    selector            : '(string|boolean)',\n    placement           : '(string|function)',\n    offset              : '(number|string)',\n    container           : '(string|element|boolean)',\n    fallbackPlacement   : '(string|array)'\n  }\n\n  const AttachmentMap = {\n    AUTO   : 'auto',\n    TOP    : 'top',\n    RIGHT  : 'right',\n    BOTTOM : 'bottom',\n    LEFT   : 'left'\n  }\n\n  const Default = {\n    animation           : true,\n    template            : '<div class=\"tooltip\" role=\"tooltip\">'\n                        + '<div class=\"arrow\"></div>'\n                        + '<div class=\"tooltip-inner\"></div></div>',\n    trigger             : 'hover focus',\n    title               : '',\n    delay               : 0,\n    html                : false,\n    selector            : false,\n    placement           : 'top',\n    offset              : 0,\n    container           : false,\n    fallbackPlacement   : 'flip'\n  }\n\n  const HoverState = {\n    SHOW : 'show',\n    OUT  : 'out'\n  }\n\n  const Event = {\n    HIDE       : `hide${EVENT_KEY}`,\n    HIDDEN     : `hidden${EVENT_KEY}`,\n    SHOW       : `show${EVENT_KEY}`,\n    SHOWN      : `shown${EVENT_KEY}`,\n    INSERTED   : `inserted${EVENT_KEY}`,\n    CLICK      : `click${EVENT_KEY}`,\n    FOCUSIN    : `focusin${EVENT_KEY}`,\n    FOCUSOUT   : `focusout${EVENT_KEY}`,\n    MOUSEENTER : `mouseenter${EVENT_KEY}`,\n    MOUSELEAVE : `mouseleave${EVENT_KEY}`\n  }\n\n  const ClassName = {\n    FADE : 'fade',\n    SHOW : 'show'\n  }\n\n  const Selector = {\n    TOOLTIP       : '.tooltip',\n    TOOLTIP_INNER : '.tooltip-inner',\n    ARROW         : '.arrow'\n  }\n\n  const Trigger = {\n    HOVER  : 'hover',\n    FOCUS  : 'focus',\n    CLICK  : 'click',\n    MANUAL : 'manual'\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Tooltip {\n\n    constructor(element, config) {\n\n      // private\n      this._isEnabled     = true\n      this._timeout       = 0\n      this._hoverState    = ''\n      this._activeTrigger = {}\n      this._popper        = null\n\n      // protected\n      this.element = element\n      this.config  = this._getConfig(config)\n      this.tip     = null\n\n      this._setListeners()\n\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n    static get Default() {\n      return Default\n    }\n\n    static get NAME() {\n      return NAME\n    }\n\n    static get DATA_KEY() {\n      return DATA_KEY\n    }\n\n    static get Event() {\n      return Event\n    }\n\n    static get EVENT_KEY() {\n      return EVENT_KEY\n    }\n\n    static get DefaultType() {\n      return DefaultType\n    }\n\n\n    // public\n\n    enable() {\n      this._isEnabled = true\n    }\n\n    disable() {\n      this._isEnabled = false\n    }\n\n    toggleEnabled() {\n      this._isEnabled = !this._isEnabled\n    }\n\n    toggle(event) {\n      if (!this._isEnabled) {\n        return\n      }\n\n      if (event) {\n        const dataKey = this.constructor.DATA_KEY\n        let context = $(event.currentTarget).data(dataKey)\n\n        if (!context) {\n          context = new this.constructor(\n            event.currentTarget,\n            this._getDelegateConfig()\n          )\n          $(event.currentTarget).data(dataKey, context)\n        }\n\n        context._activeTrigger.click = !context._activeTrigger.click\n\n        if (context._isWithActiveTrigger()) {\n          context._enter(null, context)\n        } else {\n          context._leave(null, context)\n        }\n\n      } else {\n\n        if ($(this.getTipElement()).hasClass(ClassName.SHOW)) {\n          this._leave(null, this)\n          return\n        }\n\n        this._enter(null, this)\n      }\n    }\n\n    dispose() {\n      clearTimeout(this._timeout)\n\n      $.removeData(this.element, this.constructor.DATA_KEY)\n\n      $(this.element).off(this.constructor.EVENT_KEY)\n      $(this.element).closest('.modal').off('hide.bs.modal')\n\n      if (this.tip) {\n        $(this.tip).remove()\n      }\n\n      this._isEnabled     = null\n      this._timeout       = null\n      this._hoverState    = null\n      this._activeTrigger = null\n      if (this._popper !== null) {\n        this._popper.destroy()\n      }\n\n      this._popper = null\n      this.element = null\n      this.config  = null\n      this.tip     = null\n    }\n\n    show() {\n      if ($(this.element).css('display') === 'none') {\n        throw new Error('Please use show on visible elements')\n      }\n\n      const showEvent = $.Event(this.constructor.Event.SHOW)\n      if (this.isWithContent() && this._isEnabled) {\n        $(this.element).trigger(showEvent)\n\n        const isInTheDom = $.contains(\n          this.element.ownerDocument.documentElement,\n          this.element\n        )\n\n        if (showEvent.isDefaultPrevented() || !isInTheDom) {\n          return\n        }\n\n        const tip   = this.getTipElement()\n        const tipId = Util.getUID(this.constructor.NAME)\n\n        tip.setAttribute('id', tipId)\n        this.element.setAttribute('aria-describedby', tipId)\n\n        this.setContent()\n\n        if (this.config.animation) {\n          $(tip).addClass(ClassName.FADE)\n        }\n\n        const placement  = typeof this.config.placement === 'function' ?\n          this.config.placement.call(this, tip, this.element) :\n          this.config.placement\n\n        const attachment = this._getAttachment(placement)\n        this.addAttachmentClass(attachment)\n\n        const container = this.config.container === false ? document.body : $(this.config.container)\n\n        $(tip).data(this.constructor.DATA_KEY, this)\n\n        if (!$.contains(this.element.ownerDocument.documentElement, this.tip)) {\n          $(tip).appendTo(container)\n        }\n\n        $(this.element).trigger(this.constructor.Event.INSERTED)\n\n        this._popper = new Popper(this.element, tip, {\n          placement: attachment,\n          modifiers: {\n            offset: {\n              offset: this.config.offset\n            },\n            flip: {\n              behavior: this.config.fallbackPlacement\n            },\n            arrow: {\n              element: Selector.ARROW\n            }\n          },\n          onCreate: (data) => {\n            if (data.originalPlacement !== data.placement) {\n              this._handlePopperPlacementChange(data)\n            }\n          },\n          onUpdate : (data) => {\n            this._handlePopperPlacementChange(data)\n          }\n        })\n\n        $(tip).addClass(ClassName.SHOW)\n\n        // if this is a touch-enabled device we add extra\n        // empty mouseover listeners to the body's immediate children;\n        // only needed because of broken event delegation on iOS\n        // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html\n        if ('ontouchstart' in document.documentElement) {\n          $('body').children().on('mouseover', null, $.noop)\n        }\n\n        const complete = () => {\n          if (this.config.animation) {\n            this._fixTransition()\n          }\n          const prevHoverState = this._hoverState\n          this._hoverState     = null\n\n          $(this.element).trigger(this.constructor.Event.SHOWN)\n\n          if (prevHoverState === HoverState.OUT) {\n            this._leave(null, this)\n          }\n        }\n\n        if (Util.supportsTransitionEnd() && $(this.tip).hasClass(ClassName.FADE)) {\n          $(this.tip)\n            .one(Util.TRANSITION_END, complete)\n            .emulateTransitionEnd(Tooltip._TRANSITION_DURATION)\n        } else {\n          complete()\n        }\n      }\n    }\n\n    hide(callback) {\n      const tip       = this.getTipElement()\n      const hideEvent = $.Event(this.constructor.Event.HIDE)\n      const complete  = () => {\n        if (this._hoverState !== HoverState.SHOW && tip.parentNode) {\n          tip.parentNode.removeChild(tip)\n        }\n\n        this._cleanTipClass()\n        this.element.removeAttribute('aria-describedby')\n        $(this.element).trigger(this.constructor.Event.HIDDEN)\n        if (this._popper !== null) {\n          this._popper.destroy()\n        }\n\n        if (callback) {\n          callback()\n        }\n      }\n\n      $(this.element).trigger(hideEvent)\n\n      if (hideEvent.isDefaultPrevented()) {\n        return\n      }\n\n      $(tip).removeClass(ClassName.SHOW)\n\n      // if this is a touch-enabled device we remove the extra\n      // empty mouseover listeners we added for iOS support\n      if ('ontouchstart' in document.documentElement) {\n        $('body').children().off('mouseover', null, $.noop)\n      }\n\n      this._activeTrigger[Trigger.CLICK] = false\n      this._activeTrigger[Trigger.FOCUS] = false\n      this._activeTrigger[Trigger.HOVER] = false\n\n      if (Util.supportsTransitionEnd() &&\n          $(this.tip).hasClass(ClassName.FADE)) {\n\n        $(tip)\n          .one(Util.TRANSITION_END, complete)\n          .emulateTransitionEnd(TRANSITION_DURATION)\n\n      } else {\n        complete()\n      }\n\n      this._hoverState = ''\n\n    }\n\n    update() {\n      if (this._popper !== null) {\n        this._popper.scheduleUpdate()\n      }\n    }\n\n    // protected\n\n    isWithContent() {\n      return Boolean(this.getTitle())\n    }\n\n    addAttachmentClass(attachment) {\n      $(this.getTipElement()).addClass(`${CLASS_PREFIX}-${attachment}`)\n    }\n\n    getTipElement() {\n      this.tip = this.tip || $(this.config.template)[0]\n      return this.tip\n    }\n\n    setContent() {\n      const $tip = $(this.getTipElement())\n      this.setElementContent($tip.find(Selector.TOOLTIP_INNER), this.getTitle())\n      $tip.removeClass(`${ClassName.FADE} ${ClassName.SHOW}`)\n    }\n\n    setElementContent($element, content) {\n      const html = this.config.html\n      if (typeof content === 'object' && (content.nodeType || content.jquery)) {\n        // content is a DOM node or a jQuery\n        if (html) {\n          if (!$(content).parent().is($element)) {\n            $element.empty().append(content)\n          }\n        } else {\n          $element.text($(content).text())\n        }\n      } else {\n        $element[html ? 'html' : 'text'](content)\n      }\n    }\n\n    getTitle() {\n      let title = this.element.getAttribute('data-original-title')\n\n      if (!title) {\n        title = typeof this.config.title === 'function' ?\n          this.config.title.call(this.element) :\n          this.config.title\n      }\n\n      return title\n    }\n\n\n    // private\n\n    _getAttachment(placement) {\n      return AttachmentMap[placement.toUpperCase()]\n    }\n\n    _setListeners() {\n      const triggers = this.config.trigger.split(' ')\n\n      triggers.forEach((trigger) => {\n        if (trigger === 'click') {\n          $(this.element).on(\n            this.constructor.Event.CLICK,\n            this.config.selector,\n            (event) => this.toggle(event)\n          )\n\n        } else if (trigger !== Trigger.MANUAL) {\n          const eventIn  = trigger === Trigger.HOVER ?\n            this.constructor.Event.MOUSEENTER :\n            this.constructor.Event.FOCUSIN\n          const eventOut = trigger === Trigger.HOVER ?\n            this.constructor.Event.MOUSELEAVE :\n            this.constructor.Event.FOCUSOUT\n\n          $(this.element)\n            .on(\n              eventIn,\n              this.config.selector,\n              (event) => this._enter(event)\n            )\n            .on(\n              eventOut,\n              this.config.selector,\n              (event) => this._leave(event)\n            )\n        }\n\n        $(this.element).closest('.modal').on(\n          'hide.bs.modal',\n          () => this.hide()\n        )\n      })\n\n      if (this.config.selector) {\n        this.config = $.extend({}, this.config, {\n          trigger  : 'manual',\n          selector : ''\n        })\n      } else {\n        this._fixTitle()\n      }\n    }\n\n    _fixTitle() {\n      const titleType = typeof this.element.getAttribute('data-original-title')\n      if (this.element.getAttribute('title') ||\n         titleType !== 'string') {\n        this.element.setAttribute(\n          'data-original-title',\n          this.element.getAttribute('title') || ''\n        )\n        this.element.setAttribute('title', '')\n      }\n    }\n\n    _enter(event, context) {\n      const dataKey = this.constructor.DATA_KEY\n\n      context = context || $(event.currentTarget).data(dataKey)\n\n      if (!context) {\n        context = new this.constructor(\n          event.currentTarget,\n          this._getDelegateConfig()\n        )\n        $(event.currentTarget).data(dataKey, context)\n      }\n\n      if (event) {\n        context._activeTrigger[\n          event.type === 'focusin' ? Trigger.FOCUS : Trigger.HOVER\n        ] = true\n      }\n\n      if ($(context.getTipElement()).hasClass(ClassName.SHOW) ||\n         context._hoverState === HoverState.SHOW) {\n        context._hoverState = HoverState.SHOW\n        return\n      }\n\n      clearTimeout(context._timeout)\n\n      context._hoverState = HoverState.SHOW\n\n      if (!context.config.delay || !context.config.delay.show) {\n        context.show()\n        return\n      }\n\n      context._timeout = setTimeout(() => {\n        if (context._hoverState === HoverState.SHOW) {\n          context.show()\n        }\n      }, context.config.delay.show)\n    }\n\n    _leave(event, context) {\n      const dataKey = this.constructor.DATA_KEY\n\n      context = context || $(event.currentTarget).data(dataKey)\n\n      if (!context) {\n        context = new this.constructor(\n          event.currentTarget,\n          this._getDelegateConfig()\n        )\n        $(event.currentTarget).data(dataKey, context)\n      }\n\n      if (event) {\n        context._activeTrigger[\n          event.type === 'focusout' ? Trigger.FOCUS : Trigger.HOVER\n        ] = false\n      }\n\n      if (context._isWithActiveTrigger()) {\n        return\n      }\n\n      clearTimeout(context._timeout)\n\n      context._hoverState = HoverState.OUT\n\n      if (!context.config.delay || !context.config.delay.hide) {\n        context.hide()\n        return\n      }\n\n      context._timeout = setTimeout(() => {\n        if (context._hoverState === HoverState.OUT) {\n          context.hide()\n        }\n      }, context.config.delay.hide)\n    }\n\n    _isWithActiveTrigger() {\n      for (const trigger in this._activeTrigger) {\n        if (this._activeTrigger[trigger]) {\n          return true\n        }\n      }\n\n      return false\n    }\n\n    _getConfig(config) {\n      config = $.extend(\n        {},\n        this.constructor.Default,\n        $(this.element).data(),\n        config\n      )\n\n      if (config.delay && typeof config.delay === 'number') {\n        config.delay = {\n          show : config.delay,\n          hide : config.delay\n        }\n      }\n\n      if (config.title && typeof config.title === 'number') {\n        config.title = config.title.toString()\n      }\n\n      if (config.content && typeof config.content === 'number') {\n        config.content = config.content.toString()\n      }\n\n      Util.typeCheckConfig(\n        NAME,\n        config,\n        this.constructor.DefaultType\n      )\n\n      return config\n    }\n\n    _getDelegateConfig() {\n      const config = {}\n\n      if (this.config) {\n        for (const key in this.config) {\n          if (this.constructor.Default[key] !== this.config[key]) {\n            config[key] = this.config[key]\n          }\n        }\n      }\n\n      return config\n    }\n\n    _cleanTipClass() {\n      const $tip = $(this.getTipElement())\n      const tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX)\n      if (tabClass !== null && tabClass.length > 0) {\n        $tip.removeClass(tabClass.join(''))\n      }\n    }\n\n    _handlePopperPlacementChange(data) {\n      this._cleanTipClass()\n      this.addAttachmentClass(this._getAttachment(data.placement))\n    }\n\n    _fixTransition() {\n      const tip                 = this.getTipElement()\n      const initConfigAnimation = this.config.animation\n      if (tip.getAttribute('x-placement') !== null) {\n        return\n      }\n      $(tip).removeClass(ClassName.FADE)\n      this.config.animation = false\n      this.hide()\n      this.show()\n      this.config.animation = initConfigAnimation\n    }\n\n    // static\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        let data      = $(this).data(DATA_KEY)\n        const _config = typeof config === 'object' && config\n\n        if (!data && /dispose|hide/.test(config)) {\n          return\n        }\n\n        if (!data) {\n          data = new Tooltip(this, _config)\n          $(this).data(DATA_KEY, data)\n        }\n\n        if (typeof config === 'string') {\n          if (typeof data[config] === 'undefined') {\n            throw new Error(`No method named \"${config}\"`)\n          }\n          data[config]()\n        }\n      })\n    }\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = Tooltip._jQueryInterface\n  $.fn[NAME].Constructor = Tooltip\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return Tooltip._jQueryInterface\n  }\n\n  return Tooltip\n\n})(jQuery, Popper)\n\nexport default Tooltip\n"]}
\ No newline at end of file
diff --git a/js/dist/util.js b/js/dist/util.js
index b6d5f03e91..0cb4b614e0 100644
--- a/js/dist/util.js
+++ b/js/dist/util.js
@@ -1,3 +1,5 @@
+'use strict';
+
 /**
  * --------------------------------------------------------------------------
  * Bootstrap (v4.0.0-beta): util.js
@@ -5,7 +7,7 @@
  * --------------------------------------------------------------------------
  */
 
-var Util = function ($) {
+var Util = function () {
 
   /**
    * ------------------------------------------------------------------------
@@ -40,7 +42,7 @@ var Util = function ($) {
         if ($(event.target).is(this)) {
           return event.handleObj.handler.apply(this, arguments); // eslint-disable-line prefer-rest-params
         }
-        return undefined;
+        return undefined; // eslint-disable-line no-undefined
       }
     };
   }
@@ -53,7 +55,7 @@ var Util = function ($) {
     var el = document.createElement('bootstrap');
 
     for (var name in TransitionEndEvent) {
-      if (el.style[name] !== undefined) {
+      if (typeof el.style[name] !== 'undefined') {
         return {
           end: TransitionEndEvent[name]
         };
@@ -115,7 +117,7 @@ var Util = function ($) {
       }
 
       try {
-        var $selector = $(selector);
+        var $selector = $(document).find(selector);
         return $selector.length > 0 ? selector : null;
       } catch (error) {
         return null;
@@ -132,7 +134,7 @@ var Util = function ($) {
     },
     typeCheckConfig: function typeCheckConfig(componentName, config, configTypes) {
       for (var property in configTypes) {
-        if (configTypes.hasOwnProperty(property)) {
+        if (Object.prototype.hasOwnProperty.call(configTypes, property)) {
           var expectedTypes = configTypes[property];
           var value = config[property];
           var valueType = value && isElement(value) ? 'element' : toType(value);
diff --git a/js/dist/util.js.map b/js/dist/util.js.map
index 960f4b4f7d..aa1d755996 100644
--- a/js/dist/util.js.map
+++ b/js/dist/util.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/util.js"],"names":["Util","$","transition","MAX_UID","TransitionEndEvent","WebkitTransition","MozTransition","OTransition","toType","obj","toString","call","match","toLowerCase","isElement","nodeType","getSpecialTransitionEndEvent","bindType","end","delegateType","handle","event","target","is","handleObj","handler","apply","arguments","undefined","transitionEndTest","window","QUnit","el","document","createElement","name","style","transitionEndEmulator","duration","called","one","TRANSITION_END","setTimeout","triggerTransitionEnd","setTransitionEndSupport","fn","emulateTransitionEnd","supportsTransitionEnd","special","getUID","prefix","Math","random","getElementById","getSelectorFromElement","element","selector","getAttribute","$selector","length","error","reflow","offsetHeight","trigger","Boolean","typeCheckConfig","componentName","config","configTypes","property","hasOwnProperty","expectedTypes","value","valueType","RegExp","test","Error","toUpperCase","jQuery"],"mappings":"AAAA;;;;;;;AAOA,IAAMA,OAAQ,UAACC,CAAD,EAAO;;AAGnB;;;;;;AAMA,MAAIC,aAAa,KAAjB;;AAEA,MAAMC,UAAU,OAAhB;;AAEA,MAAMC,qBAAqB;AACzBC,sBAAmB,qBADM;AAEzBC,mBAAmB,eAFM;AAGzBC,iBAAmB,+BAHM;AAIzBL,gBAAmB;;AAGrB;AAP2B,GAA3B,CAQA,SAASM,MAAT,CAAgBC,GAAhB,EAAqB;AACnB,WAAO,GAAGC,QAAH,CAAYC,IAAZ,CAAiBF,GAAjB,EAAsBG,KAAtB,CAA4B,eAA5B,EAA6C,CAA7C,EAAgDC,WAAhD,EAAP;AACD;;AAED,WAASC,SAAT,CAAmBL,GAAnB,EAAwB;AACtB,WAAO,CAACA,IAAI,CAAJ,KAAUA,GAAX,EAAgBM,QAAvB;AACD;;AAED,WAASC,4BAAT,GAAwC;AACtC,WAAO;AACLC,gBAAUf,WAAWgB,GADhB;AAELC,oBAAcjB,WAAWgB,GAFpB;AAGLE,YAHK,kBAGEC,KAHF,EAGS;AACZ,YAAIpB,EAAEoB,MAAMC,MAAR,EAAgBC,EAAhB,CAAmB,IAAnB,CAAJ,EAA8B;AAC5B,iBAAOF,MAAMG,SAAN,CAAgBC,OAAhB,CAAwBC,KAAxB,CAA8B,IAA9B,EAAoCC,SAApC,CAAP,CAD4B,CAC0B;AACvD;AACD,eAAOC,SAAP;AACD;AARI,KAAP;AAUD;;AAED,WAASC,iBAAT,GAA6B;AAC3B,QAAIC,OAAOC,KAAX,EAAkB;AAChB,aAAO,KAAP;AACD;;AAED,QAAMC,KAAKC,SAASC,aAAT,CAAuB,WAAvB,CAAX;;AAEA,SAAK,IAAMC,IAAX,IAAmB/B,kBAAnB,EAAuC;AACrC,UAAI4B,GAAGI,KAAH,CAASD,IAAT,MAAmBP,SAAvB,EAAkC;AAChC,eAAO;AACLV,eAAKd,mBAAmB+B,IAAnB;AADA,SAAP;AAGD;AACF;;AAED,WAAO,KAAP;AACD;;AAED,WAASE,qBAAT,CAA+BC,QAA/B,EAAyC;AAAA;;AACvC,QAAIC,SAAS,KAAb;;AAEAtC,MAAE,IAAF,EAAQuC,GAAR,CAAYxC,KAAKyC,cAAjB,EAAiC,YAAM;AACrCF,eAAS,IAAT;AACD,KAFD;;AAIAG,eAAW,YAAM;AACf,UAAI,CAACH,MAAL,EAAa;AACXvC,aAAK2C,oBAAL;AACD;AACF,KAJD,EAIGL,QAJH;;AAMA,WAAO,IAAP;AACD;;AAED,WAASM,uBAAT,GAAmC;AACjC1C,iBAAa2B,mBAAb;;AAEA5B,MAAE4C,EAAF,CAAKC,oBAAL,GAA4BT,qBAA5B;;AAEA,QAAIrC,KAAK+C,qBAAL,EAAJ,EAAkC;AAChC9C,QAAEoB,KAAF,CAAQ2B,OAAR,CAAgBhD,KAAKyC,cAArB,IAAuCzB,8BAAvC;AACD;AACF;;AAGD;;;;;;AAMA,MAAMhB,OAAO;;AAEXyC,oBAAgB,iBAFL;;AAIXQ,UAJW,kBAIJC,MAJI,EAII;AACb,SAAG;AACD;AACAA,kBAAU,CAAC,EAAEC,KAAKC,MAAL,KAAgBjD,OAAlB,CAAX,CAFC,CAEqC;AACvC,OAHD,QAGS8B,SAASoB,cAAT,CAAwBH,MAAxB,CAHT;AAIA,aAAOA,MAAP;AACD,KAVU;AAYXI,0BAZW,kCAYYC,OAZZ,EAYqB;AAC9B,UAAIC,WAAWD,QAAQE,YAAR,CAAqB,aAArB,CAAf;AACA,UAAI,CAACD,QAAD,IAAaA,aAAa,GAA9B,EAAmC;AACjCA,mBAAWD,QAAQE,YAAR,CAAqB,MAArB,KAAgC,EAA3C;AACD;;AAED,UAAI;AACF,YAAMC,YAAYzD,EAAEuD,QAAF,CAAlB;AACA,eAAOE,UAAUC,MAAV,GAAmB,CAAnB,GAAuBH,QAAvB,GAAkC,IAAzC;AACD,OAHD,CAGE,OAAOI,KAAP,EAAc;AACd,eAAO,IAAP;AACD;AACF,KAxBU;AA0BXC,UA1BW,kBA0BJN,OA1BI,EA0BK;AACd,aAAOA,QAAQO,YAAf;AACD,KA5BU;AA8BXnB,wBA9BW,gCA8BUY,OA9BV,EA8BmB;AAC5BtD,QAAEsD,OAAF,EAAWQ,OAAX,CAAmB7D,WAAWgB,GAA9B;AACD,KAhCU;AAkCX6B,yBAlCW,mCAkCa;AACtB,aAAOiB,QAAQ9D,UAAR,CAAP;AACD,KApCU;AAsCX+D,mBAtCW,2BAsCKC,aAtCL,EAsCoBC,MAtCpB,EAsC4BC,WAtC5B,EAsCyC;AAClD,WAAK,IAAMC,QAAX,IAAuBD,WAAvB,EAAoC;AAClC,YAAIA,YAAYE,cAAZ,CAA2BD,QAA3B,CAAJ,EAA0C;AACxC,cAAME,gBAAgBH,YAAYC,QAAZ,CAAtB;AACA,cAAMG,QAAgBL,OAAOE,QAAP,CAAtB;AACA,cAAMI,YAAgBD,SAAS1D,UAAU0D,KAAV,CAAT,GACA,SADA,GACYhE,OAAOgE,KAAP,CADlC;;AAGA,cAAI,CAAC,IAAIE,MAAJ,CAAWH,aAAX,EAA0BI,IAA1B,CAA+BF,SAA/B,CAAL,EAAgD;AAC9C,kBAAM,IAAIG,KAAJ,CACDV,cAAcW,WAAd,EAAH,wBACWR,QADX,yBACuCI,SADvC,oCAEsBF,aAFtB,QADI,CAAN;AAID;AACF;AACF;AACF;AAtDU,GAAb;;AAyDA3B;;AAEA,SAAO5C,IAAP;AAED,CA1JY,CA0JV8E,MA1JU,CAAb","file":"util.js","sourcesContent":["/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-beta): util.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Util = (($) => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Private TransitionEnd Helpers\n   * ------------------------------------------------------------------------\n   */\n\n  let transition = false\n\n  const MAX_UID = 1000000\n\n  const TransitionEndEvent = {\n    WebkitTransition : 'webkitTransitionEnd',\n    MozTransition    : 'transitionend',\n    OTransition      : 'oTransitionEnd otransitionend',\n    transition       : 'transitionend'\n  }\n\n  // shoutout AngusCroll (https://goo.gl/pxwQGp)\n  function toType(obj) {\n    return {}.toString.call(obj).match(/\\s([a-zA-Z]+)/)[1].toLowerCase()\n  }\n\n  function isElement(obj) {\n    return (obj[0] || obj).nodeType\n  }\n\n  function getSpecialTransitionEndEvent() {\n    return {\n      bindType: transition.end,\n      delegateType: transition.end,\n      handle(event) {\n        if ($(event.target).is(this)) {\n          return event.handleObj.handler.apply(this, arguments) // eslint-disable-line prefer-rest-params\n        }\n        return undefined\n      }\n    }\n  }\n\n  function transitionEndTest() {\n    if (window.QUnit) {\n      return false\n    }\n\n    const el = document.createElement('bootstrap')\n\n    for (const name in TransitionEndEvent) {\n      if (el.style[name] !== undefined) {\n        return {\n          end: TransitionEndEvent[name]\n        }\n      }\n    }\n\n    return false\n  }\n\n  function transitionEndEmulator(duration) {\n    let called = false\n\n    $(this).one(Util.TRANSITION_END, () => {\n      called = true\n    })\n\n    setTimeout(() => {\n      if (!called) {\n        Util.triggerTransitionEnd(this)\n      }\n    }, duration)\n\n    return this\n  }\n\n  function setTransitionEndSupport() {\n    transition = transitionEndTest()\n\n    $.fn.emulateTransitionEnd = transitionEndEmulator\n\n    if (Util.supportsTransitionEnd()) {\n      $.event.special[Util.TRANSITION_END] = getSpecialTransitionEndEvent()\n    }\n  }\n\n\n  /**\n   * --------------------------------------------------------------------------\n   * Public Util Api\n   * --------------------------------------------------------------------------\n   */\n\n  const Util = {\n\n    TRANSITION_END: 'bsTransitionEnd',\n\n    getUID(prefix) {\n      do {\n        // eslint-disable-next-line no-bitwise\n        prefix += ~~(Math.random() * MAX_UID) // \"~~\" acts like a faster Math.floor() here\n      } while (document.getElementById(prefix))\n      return prefix\n    },\n\n    getSelectorFromElement(element) {\n      let selector = element.getAttribute('data-target')\n      if (!selector || selector === '#') {\n        selector = element.getAttribute('href') || ''\n      }\n\n      try {\n        const $selector = $(selector)\n        return $selector.length > 0 ? selector : null\n      } catch (error) {\n        return null\n      }\n    },\n\n    reflow(element) {\n      return element.offsetHeight\n    },\n\n    triggerTransitionEnd(element) {\n      $(element).trigger(transition.end)\n    },\n\n    supportsTransitionEnd() {\n      return Boolean(transition)\n    },\n\n    typeCheckConfig(componentName, config, configTypes) {\n      for (const property in configTypes) {\n        if (configTypes.hasOwnProperty(property)) {\n          const expectedTypes = configTypes[property]\n          const value         = config[property]\n          const valueType     = value && isElement(value) ?\n                                'element' : toType(value)\n\n          if (!new RegExp(expectedTypes).test(valueType)) {\n            throw new Error(\n              `${componentName.toUpperCase()}: ` +\n              `Option \"${property}\" provided type \"${valueType}\" ` +\n              `but expected type \"${expectedTypes}\".`)\n          }\n        }\n      }\n    }\n  }\n\n  setTransitionEndSupport()\n\n  return Util\n\n})(jQuery)\n\nexport default Util\n"]}
\ No newline at end of file
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$ from 'jquery'\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-beta): util.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Util = (() => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Private TransitionEnd Helpers\n   * ------------------------------------------------------------------------\n   */\n\n  let transition = false\n\n  const MAX_UID = 1000000\n\n  const TransitionEndEvent = {\n    WebkitTransition : 'webkitTransitionEnd',\n    MozTransition    : 'transitionend',\n    OTransition      : 'oTransitionEnd otransitionend',\n    transition       : 'transitionend'\n  }\n\n  // shoutout AngusCroll (https://goo.gl/pxwQGp)\n  function toType(obj) {\n    return {}.toString.call(obj).match(/\\s([a-zA-Z]+)/)[1].toLowerCase()\n  }\n\n  function isElement(obj) {\n    return (obj[0] || obj).nodeType\n  }\n\n  function getSpecialTransitionEndEvent() {\n    return {\n      bindType: transition.end,\n      delegateType: transition.end,\n      handle(event) {\n        if ($(event.target).is(this)) {\n          return event.handleObj.handler.apply(this, arguments) // eslint-disable-line prefer-rest-params\n        }\n        return undefined // eslint-disable-line no-undefined\n      }\n    }\n  }\n\n  function transitionEndTest() {\n    if (window.QUnit) {\n      return false\n    }\n\n    const el = document.createElement('bootstrap')\n\n    for (const name in TransitionEndEvent) {\n      if (typeof el.style[name] !== 'undefined') {\n        return {\n          end: TransitionEndEvent[name]\n        }\n      }\n    }\n\n    return false\n  }\n\n  function transitionEndEmulator(duration) {\n    let called = false\n\n    $(this).one(Util.TRANSITION_END, () => {\n      called = true\n    })\n\n    setTimeout(() => {\n      if (!called) {\n        Util.triggerTransitionEnd(this)\n      }\n    }, duration)\n\n    return this\n  }\n\n  function setTransitionEndSupport() {\n    transition = transitionEndTest()\n\n    $.fn.emulateTransitionEnd = transitionEndEmulator\n\n    if (Util.supportsTransitionEnd()) {\n      $.event.special[Util.TRANSITION_END] = getSpecialTransitionEndEvent()\n    }\n  }\n\n\n  /**\n   * --------------------------------------------------------------------------\n   * Public Util Api\n   * --------------------------------------------------------------------------\n   */\n\n  const Util = {\n\n    TRANSITION_END: 'bsTransitionEnd',\n\n    getUID(prefix) {\n      do {\n        // eslint-disable-next-line no-bitwise\n        prefix += ~~(Math.random() * MAX_UID) // \"~~\" acts like a faster Math.floor() here\n      } while (document.getElementById(prefix))\n      return prefix\n    },\n\n    getSelectorFromElement(element) {\n      let selector = element.getAttribute('data-target')\n      if (!selector || selector === '#') {\n        selector = element.getAttribute('href') || ''\n      }\n\n      try {\n        const $selector = $(document).find(selector)\n        return $selector.length > 0 ? selector : null\n      } catch (error) {\n        return null\n      }\n    },\n\n    reflow(element) {\n      return element.offsetHeight\n    },\n\n    triggerTransitionEnd(element) {\n      $(element).trigger(transition.end)\n    },\n\n    supportsTransitionEnd() {\n      return Boolean(transition)\n    },\n\n    typeCheckConfig(componentName, config, configTypes) {\n      for (const property in configTypes) {\n        if (Object.prototype.hasOwnProperty.call(configTypes, property)) {\n          const expectedTypes = configTypes[property]\n          const value         = config[property]\n          const valueType     = value && isElement(value) ?\n                                'element' : toType(value)\n\n          if (!new RegExp(expectedTypes).test(valueType)) {\n            throw new Error(\n              `${componentName.toUpperCase()}: ` +\n              `Option \"${property}\" provided type \"${valueType}\" ` +\n              `but expected type \"${expectedTypes}\".`)\n          }\n        }\n      }\n    }\n  }\n\n  setTransitionEndSupport()\n\n  return Util\n\n})(jQuery)\n\nexport default Util\n"]}
\ No newline at end of file