tab-switch.js in material-sass-4.1.0

- old
+ new

@@ -1,18 +1,14 @@
 /*
  * Tab indicator animation
- * Requires Bootstrap's (v4.0.0) `tab.js`
+ * Requires Bootstrap's (v4.1.0) `tab.js`
  */
 var TabSwitch = function ($) {
   // constants >>>
   var DATA_KEY = 'md.tabswitch';
   var NAME = 'tabswitch';
   var NO_CONFLICT = $.fn[NAME];
-  var Breakpoints = {
-    DESKTOP: 992,
-    TABLET: 576
-  };
   var ClassName = {
     ANIMATE: 'animate',
     DROPDOWN_ITEM: 'dropdown-item',
     INDICATOR: 'nav-tabs-indicator',
     MATERIAL: 'nav-tabs-material',
@@ -23,16 +19,11 @@
     SHOW_BS_TAB: 'show.bs.tab'
   };
   var Selector = {
     DATA_TOGGLE: '.nav-tabs [data-toggle="tab"]',
     DROPDOWN: '.dropdown',
-    NAV: '.nav-tabs'
-  };
-  var TransitionDuration = {
-    DESKTOP: 200,
-    MOBILE: 300,
-    TABLET: 390 // <<< constants
+    NAV: '.nav-tabs' // <<< constants
 
   };
 
   var TabSwitch =
   /*#__PURE__*/
@@ -82,25 +73,18 @@
       if (!supportsTransition) {
         complete();
         return;
       }
 
-      var transitionDuration = TransitionDuration.MOBILE;
-
-      if (window.innerWidth >= Breakpoints.DESKTOP) {
-        transitionDuration = TransitionDuration.DESKTOP;
-      } else if (window.innerWidth >= Breakpoints.TABLET) {
-        transitionDuration = TransitionDuration.TABLET;
-      }
-
+      var transitionDuration = Util.getTransitionDurationFromElement(this._navindicator);
       $(this._navindicator).one(Util.TRANSITION_END, complete).emulateTransitionEnd(transitionDuration);
     };
 
     _proto._createIndicator = function _createIndicator(navLeft, navScrollLeft, navWidth, relatedTarget) {
       this._navindicator = document.createElement('div');
       $(this._navindicator).addClass(ClassName.INDICATOR).appendTo(this._nav);
 
-      if (relatedTarget !== 'undefined') {
+      if (typeof relatedTarget !== 'undefined') {
         if ($(relatedTarget).hasClass(ClassName.DROPDOWN_ITEM)) {
           relatedTarget = $(relatedTarget).closest(Selector.DROPDOWN);
         }
 
         var relatedLeft = $(relatedTarget).offset().left;