grunt

js/dist/carousel.js

@@ -108,9 +108,10 @@ var Carousel = function ($) {
     // public
 
     Carousel.prototype.next = function next() {
-      if (!this._isSliding) {
-        this._slide(Direction.NEXT);
+      if (this._isSliding) {
+        throw new Error('Carousel is sliding');
       }
+      this._slide(Direction.NEXT);
     };
 
     Carousel.prototype.nextWhenVisible = function nextWhenVisible() {
@@ -121,9 +122,10 @@ var Carousel = function ($) {
     };
 
     Carousel.prototype.prev = function prev() {
-      if (!this._isSliding) {
-        this._slide(Direction.PREVIOUS);
+      if (this._isSliding) {
+        throw new Error('Carousel is sliding');
       }
+      this._slide(Direction.PREVIOUS);
     };
 
     Carousel.prototype.pause = function pause(event) {

js/dist/collapse.js

@@ -103,7 +103,11 @@ var Collapse = function ($) {
     Collapse.prototype.show = function show() {
       var _this = this;
 
-      if (this._isTransitioning || $(this._element).hasClass(ClassName.ACTIVE)) {
+      if (this._isTransitioning) {
+        throw new Error('Collapse is transitioning');
+      }
+
+      if ($(this._element).hasClass(ClassName.ACTIVE)) {
         return;
       }
 
@@ -176,7 +180,11 @@ var Collapse = function ($) {
     Collapse.prototype.hide = function hide() {
       var _this2 = this;
 
-      if (this._isTransitioning || !$(this._element).hasClass(ClassName.ACTIVE)) {
+      if (this._isTransitioning) {
+        throw new Error('Collapse is transitioning');
+      }
+
+      if (!$(this._element).hasClass(ClassName.ACTIVE)) {
         return;
       }
 

js/dist/modal.js

@@ -89,6 +89,7 @@ var Modal = function ($) {
       this._isShown = false;
       this._isBodyOverflowing = false;
       this._ignoreBackdropClick = false;
+      this._isTransitioning = false;
       this._originalBodyPadding = 0;
       this._scrollbarWidth = 0;
     }
@@ -104,6 +105,13 @@ var Modal = function ($) {
     Modal.prototype.show = function show(relatedTarget) {
       var _this = this;
 
+      if (this._isTransitioning) {
+        throw new Error('Modal is transitioning');
+      }
+
+      if (Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE)) {
+        this._isTransitioning = true;
+      }
       var showEvent = $.Event(Event.SHOW, {
         relatedTarget: relatedTarget
       });
@@ -148,8 +156,16 @@ var Modal = function ($) {
         event.preventDefault();
       }
 
-      var hideEvent = $.Event(Event.HIDE);
+      if (this._isTransitioning) {
+        throw new Error('Modal is transitioning');
+      }
 
+      var transition = Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE);
+      if (transition) {
+        this._isTransitioning = true;
+      }
+
+      var hideEvent = $.Event(Event.HIDE);
       $(this._element).trigger(hideEvent);
 
       if (!this._isShown || hideEvent.isDefaultPrevented()) {
@@ -168,8 +184,7 @@ var Modal = function ($) {
       $(this._element).off(Event.CLICK_DISMISS);
       $(this._dialog).off(Event.MOUSEDOWN_DISMISS);
 
-      if (Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE)) {
-
+      if (transition) {
         $(this._element).one(Util.TRANSITION_END, function (event) {
           return _this2._hideModal(event);
         }).emulateTransitionEnd(TRANSITION_DURATION);
@@ -234,6 +249,7 @@ var Modal = function ($) {
         if (_this3._config.focus) {
           _this3._element.focus();
         }
+        _this3._isTransitioning = false;
         $(_this3._element).trigger(shownEvent);
       };
 
@@ -285,7 +301,8 @@ var Modal = function ($) {
       var _this7 = this;
 
       this._element.style.display = 'none';
-      this._element.setAttribute('aria-hidden', true);
+      this._element.setAttribute('aria-hidden', 'true');
+      this._isTransitioning = false;
       this._showBackdrop(function () {
         $(document.body).removeClass(ClassName.OPEN);
         _this7._resetAdjustments();

js/dist/tooltip.js

@@ -125,6 +125,7 @@ var Tooltip = function ($) {
       this._timeout = 0;
       this._hoverState = '';
       this._activeTrigger = {};
+      this._isTransitioning = false;
       this._tether = null;
 
       // protected
@@ -210,9 +211,12 @@ var Tooltip = function ($) {
       if ($(this.element).css('display') === 'none') {
         throw new Error('Please use show on visible elements');
       }
-      var showEvent = $.Event(this.constructor.Event.SHOW);
 
+      var showEvent = $.Event(this.constructor.Event.SHOW);
       if (this.isWithContent() && this._isEnabled) {
+        if (this._isTransitioning) {
+          throw new Error('Tooltip is transitioning');
+        }
         $(this.element).trigger(showEvent);
 
         var isInTheDom = $.contains(this.element.ownerDocument.documentElement, this.element);
@@ -262,6 +266,7 @@ var Tooltip = function ($) {
         var complete = function complete() {
           var prevHoverState = _this._hoverState;
           _this._hoverState = null;
+          _this._isTransitioning = false;
 
           $(_this.element).trigger(_this.constructor.Event.SHOWN);
 
@@ -271,6 +276,7 @@ var Tooltip = function ($) {
         };
 
         if (Util.supportsTransitionEnd() && $(this.tip).hasClass(ClassName.FADE)) {
+          this._isTransitioning = true;
           $(this.tip).one(Util.TRANSITION_END, complete).emulateTransitionEnd(Tooltip._TRANSITION_DURATION);
           return;
         }
@@ -284,6 +290,9 @@ var Tooltip = function ($) {
 
       var tip = this.getTipElement();
       var hideEvent = $.Event(this.constructor.Event.HIDE);
+      if (this._isTransitioning) {
+        throw new Error('Tooltip is transitioning');
+      }
       var complete = function complete() {
         if (_this2._hoverState !== HoverState.ACTIVE && tip.parentNode) {
           tip.parentNode.removeChild(tip);
@@ -291,6 +300,7 @@ var Tooltip = function ($) {
 
         _this2.element.removeAttribute('aria-describedby');
         $(_this2.element).trigger(_this2.constructor.Event.HIDDEN);
+        _this2._isTransitioning = false;
         _this2.cleanupTether();
 
         if (callback) {
@@ -307,7 +317,7 @@ var Tooltip = function ($) {
       $(tip).removeClass(ClassName.ACTIVE);
 
       if (Util.supportsTransitionEnd() && $(this.tip).hasClass(ClassName.FADE)) {
-
+        this._isTransitioning = true;
         $(tip).one(Util.TRANSITION_END, complete).emulateTransitionEnd(TRANSITION_DURATION);
       } else {
         complete();