grunt

dist/js/bootstrap.js

@@ -791,9 +791,13 @@ var Carousel = function ($) {
     };
 
     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
+        direction: eventDirectionName,
+        from: fromIndex,
+        to: targetIndex
       });
 
       $(this._element).trigger(slideEvent);
@@ -817,8 +821,9 @@ var Carousel = function ($) {
       var _this5 = 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;
@@ -860,7 +865,9 @@ var Carousel = function ($) {
 
       var slidEvent = $.Event(Event.SLID, {
         relatedTarget: nextElement,
-        direction: eventDirectionName
+        direction: eventDirectionName,
+        from: activeElementIndex,
+        to: nextElementIndex
       });
 
       if (Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.SLIDE)) {
@@ -1854,6 +1861,10 @@ var Modal = function ($) {
       this._scrollbarWidth = null;
     };
 
+    Modal.prototype.handleUpdate = function handleUpdate() {
+      this._adjustDialog();
+    };
+
     // private
 
     Modal.prototype._getConfig = function _getConfig(config) {
@@ -1935,7 +1946,7 @@ var Modal = function ($) {
 
       if (this._isShown) {
         $(window).on(Event.RESIZE, function (event) {
-          return _this14._handleUpdate(event);
+          return _this14.handleUpdate(event);
         });
       } else {
         $(window).off(Event.RESIZE);
@@ -2036,10 +2047,6 @@ var Modal = function ($) {
     // todo (fat): these should probably be refactored out of modal.js
     // ----------------------------------------------------------------------
 
-    Modal.prototype._handleUpdate = function _handleUpdate() {
-      this._adjustDialog();
-    };
-
     Modal.prototype._adjustDialog = function _adjustDialog() {
       var isModalOverflowing = this._element.scrollHeight > document.documentElement.clientHeight;