rake update[v4.0.0-alpha.3]

11 files changed, 49 insertions, 34 deletions

diff --git a/assets/javascripts/bootstrap/alert.js b/assets/javascripts/bootstrap/alert.js
index 15442c1..000fd80 100644
--- a/assets/javascripts/bootstrap/alert.js
+++ b/assets/javascripts/bootstrap/alert.js
@@ -6,7 +6,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.2): alert.js
+ * Bootstrap (v4.0.0-alpha.3): alert.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -20,7 +20,7 @@ var Alert = (function ($) {
    */
 
   var NAME = 'alert';
-  var VERSION = '4.0.0-alpha.2';
+  var VERSION = '4.0.0-alpha.3';
   var DATA_KEY = 'bs.alert';
   var EVENT_KEY = '.' + DATA_KEY;
   var DATA_API_KEY = '.data-api';
diff --git a/assets/javascripts/bootstrap/button.js b/assets/javascripts/bootstrap/button.js
index 6267a61..00095cd 100644
--- a/assets/javascripts/bootstrap/button.js
+++ b/assets/javascripts/bootstrap/button.js
@@ -1,6 +1,6 @@
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.2): button.js
+ * Bootstrap (v4.0.0-alpha.3): button.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -20,7 +20,7 @@ var Button = (function ($) {
    */
 
   var NAME = 'button';
-  var VERSION = '4.0.0-alpha.2';
+  var VERSION = '4.0.0-alpha.3';
   var DATA_KEY = 'bs.button';
   var EVENT_KEY = '.' + DATA_KEY;
   var DATA_API_KEY = '.data-api';
diff --git a/assets/javascripts/bootstrap/carousel.js b/assets/javascripts/bootstrap/carousel.js
index d669a50..59f1b75 100644
--- a/assets/javascripts/bootstrap/carousel.js
+++ b/assets/javascripts/bootstrap/carousel.js
@@ -6,7 +6,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.2): carousel.js
+ * Bootstrap (v4.0.0-alpha.3): carousel.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -20,12 +20,14 @@ var Carousel = (function ($) {
    */
 
   var NAME = 'carousel';
-  var VERSION = '4.0.0-alpha.2';
+  var VERSION = '4.0.0-alpha.3';
   var DATA_KEY = 'bs.carousel';
   var EVENT_KEY = '.' + DATA_KEY;
   var DATA_API_KEY = '.data-api';
   var JQUERY_NO_CONFLICT = $.fn[NAME];
   var TRANSITION_DURATION = 600;
+  var ARROW_LEFT_KEYCODE = 37; // KeyboardEvent.which value for left arrow key
+  var ARROW_RIGHT_KEYCODE = 39; // KeyboardEvent.which value for right arrow key
 
   var Default = {
     interval: 5000,
@@ -241,10 +243,12 @@ var Carousel = (function ($) {
         }
 
         switch (event.which) {
-          case 37:
-            this.prev();break;
-          case 39:
-            this.next();break;
+          case ARROW_LEFT_KEYCODE:
+            this.prev();
+            break;
+          case ARROW_RIGHT_KEYCODE:
+            this.next();
+            break;
           default:
             return;
         }
diff --git a/assets/javascripts/bootstrap/collapse.js b/assets/javascripts/bootstrap/collapse.js
index ff7842c..85786f1 100644
--- a/assets/javascripts/bootstrap/collapse.js
+++ b/assets/javascripts/bootstrap/collapse.js
@@ -6,7 +6,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.2): collapse.js
+ * Bootstrap (v4.0.0-alpha.3): collapse.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -20,7 +20,7 @@ var Collapse = (function ($) {
    */
 
   var NAME = 'collapse';
-  var VERSION = '4.0.0-alpha.2';
+  var VERSION = '4.0.0-alpha.3';
   var DATA_KEY = 'bs.collapse';
   var EVENT_KEY = '.' + DATA_KEY;
   var DATA_API_KEY = '.data-api';
diff --git a/assets/javascripts/bootstrap/dropdown.js b/assets/javascripts/bootstrap/dropdown.js
index d42268a..a388665 100644
--- a/assets/javascripts/bootstrap/dropdown.js
+++ b/assets/javascripts/bootstrap/dropdown.js
@@ -6,7 +6,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.2): dropdown.js
+ * Bootstrap (v4.0.0-alpha.3): dropdown.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -20,11 +20,15 @@ var Dropdown = (function ($) {
    */
 
   var NAME = 'dropdown';
-  var VERSION = '4.0.0-alpha.2';
+  var VERSION = '4.0.0-alpha.3';
   var DATA_KEY = 'bs.dropdown';
   var EVENT_KEY = '.' + DATA_KEY;
   var DATA_API_KEY = '.data-api';
   var JQUERY_NO_CONFLICT = $.fn[NAME];
+  var ESCAPE_KEYCODE = 27; // KeyboardEvent.which value for Escape (Esc) key
+  var ARROW_UP_KEYCODE = 38; // KeyboardEvent.which value for up arrow key
+  var ARROW_DOWN_KEYCODE = 40; // KeyboardEvent.which value for down arrow key
+  var RIGHT_MOUSE_BUTTON_WHICH = 3; // MouseEvent.which value for the right button (assuming a right-handed mouse)
 
   var Event = {
     HIDE: 'hide' + EVENT_KEY,
@@ -159,7 +163,7 @@ var Dropdown = (function ($) {
     }, {
       key: '_clearMenus',
       value: function _clearMenus(event) {
-        if (event && event.which === 3) {
+        if (event && event.which === RIGHT_MOUSE_BUTTON_WHICH) {
           return;
         }
 
@@ -222,9 +226,9 @@ var Dropdown = (function ($) {
         var parent = Dropdown._getParentFromElement(this);
         var isActive = $(parent).hasClass(ClassName.OPEN);
 
-        if (!isActive && event.which !== 27 || isActive && event.which === 27) {
+        if (!isActive && event.which !== ESCAPE_KEYCODE || isActive && event.which === ESCAPE_KEYCODE) {
 
-          if (event.which === 27) {
+          if (event.which === ESCAPE_KEYCODE) {
             var toggle = $(parent).find(Selector.DATA_TOGGLE)[0];
             $(toggle).trigger('focus');
           }
@@ -245,12 +249,12 @@ var Dropdown = (function ($) {
 
         var index = items.indexOf(event.target);
 
-        if (event.which === 38 && index > 0) {
+        if (event.which === ARROW_UP_KEYCODE && index > 0) {
           // up
           index--;
         }
 
-        if (event.which === 40 && index < items.length - 1) {
+        if (event.which === ARROW_DOWN_KEYCODE && index < items.length - 1) {
           // down
           index++;
         }
diff --git a/assets/javascripts/bootstrap/modal.js b/assets/javascripts/bootstrap/modal.js
index af62dbd..e553e27 100644
--- a/assets/javascripts/bootstrap/modal.js
+++ b/assets/javascripts/bootstrap/modal.js
@@ -6,7 +6,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.2): modal.js
+ * Bootstrap (v4.0.0-alpha.3): modal.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -20,13 +20,14 @@ var Modal = (function ($) {
    */
 
   var NAME = 'modal';
-  var VERSION = '4.0.0-alpha.2';
+  var VERSION = '4.0.0-alpha.3';
   var DATA_KEY = 'bs.modal';
   var EVENT_KEY = '.' + DATA_KEY;
   var DATA_API_KEY = '.data-api';
   var JQUERY_NO_CONFLICT = $.fn[NAME];
   var TRANSITION_DURATION = 300;
   var BACKDROP_TRANSITION_DURATION = 150;
+  var ESCAPE_KEYCODE = 27; // KeyboardEvent.which value for Escape (Esc) key
 
   var Default = {
     backdrop: true,
@@ -222,6 +223,7 @@ var Modal = (function ($) {
         }
 
         this._element.style.display = 'block';
+        this._element.removeAttribute('aria-hidden');
         this._element.scrollTop = 0;
 
         if (transition) {
@@ -270,7 +272,7 @@ var Modal = (function ($) {
 
         if (this._isShown && this._config.keyboard) {
           $(this._element).on(Event.KEYDOWN_DISMISS, function (event) {
-            if (event.which === 27) {
+            if (event.which === ESCAPE_KEYCODE) {
               _this4.hide();
             }
           });
@@ -293,6 +295,7 @@ var Modal = (function ($) {
         var _this5 = this;
 
         this._element.style.display = 'none';
+        this._element.setAttribute('aria-hidden', 'true');
         this._showBackdrop(function () {
           $(document.body).removeClass(ClassName.OPEN);
           _this5._resetAdjustments();
@@ -398,7 +401,7 @@ var Modal = (function ($) {
         }
 
         if (this._isBodyOverflowing && !isModalOverflowing) {
-          this._element.style.paddingRight = this._scrollbarWidth + 'px~';
+          this._element.style.paddingRight = this._scrollbarWidth + 'px';
         }
       }
     }, {
diff --git a/assets/javascripts/bootstrap/popover.js b/assets/javascripts/bootstrap/popover.js
index e46a268..11358a7 100644
--- a/assets/javascripts/bootstrap/popover.js
+++ b/assets/javascripts/bootstrap/popover.js
@@ -10,7 +10,7 @@ function _inherits(subClass, superClass) { if (typeof superClass !== 'function'
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.2): popover.js
+ * Bootstrap (v4.0.0-alpha.3): popover.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -24,7 +24,7 @@ var Popover = (function ($) {
    */
 
   var NAME = 'popover';
-  var VERSION = '4.0.0-alpha.2';
+  var VERSION = '4.0.0-alpha.3';
   var DATA_KEY = 'bs.popover';
   var EVENT_KEY = '.' + DATA_KEY;
   var JQUERY_NO_CONFLICT = $.fn[NAME];
diff --git a/assets/javascripts/bootstrap/scrollspy.js b/assets/javascripts/bootstrap/scrollspy.js
index f18cb14..e0bfa3d 100644
--- a/assets/javascripts/bootstrap/scrollspy.js
+++ b/assets/javascripts/bootstrap/scrollspy.js
@@ -6,7 +6,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.2): scrollspy.js
+ * Bootstrap (v4.0.0-alpha.3): scrollspy.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -20,7 +20,7 @@ var ScrollSpy = (function ($) {
    */
 
   var NAME = 'scrollspy';
-  var VERSION = '4.0.0-alpha.2';
+  var VERSION = '4.0.0-alpha.3';
   var DATA_KEY = 'bs.scrollspy';
   var EVENT_KEY = '.' + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -135,6 +135,7 @@ var ScrollSpy = (function ($) {
             // todo (fat): remove sketch reliance on jQuery position/offset
             return [$(target)[offsetMethod]().top + offsetBase, targetSelector];
           }
+          return null;
         }).filter(function (item) {
           return item;
         }).sort(function (a, b) {
diff --git a/assets/javascripts/bootstrap/tab.js b/assets/javascripts/bootstrap/tab.js
index 60cd805..d958afd 100644
--- a/assets/javascripts/bootstrap/tab.js
+++ b/assets/javascripts/bootstrap/tab.js
@@ -6,7 +6,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.2): tab.js
+ * Bootstrap (v4.0.0-alpha.3): tab.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -20,7 +20,7 @@ var Tab = (function ($) {
    */
 
   var NAME = 'tab';
-  var VERSION = '4.0.0-alpha.2';
+  var VERSION = '4.0.0-alpha.3';
   var DATA_KEY = 'bs.tab';
   var EVENT_KEY = '.' + DATA_KEY;
   var DATA_API_KEY = '.data-api';
diff --git a/assets/javascripts/bootstrap/tooltip.js b/assets/javascripts/bootstrap/tooltip.js
index e46a7e5..2a6e494 100644
--- a/assets/javascripts/bootstrap/tooltip.js
+++ b/assets/javascripts/bootstrap/tooltip.js
@@ -8,7 +8,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.2): tooltip.js
+ * Bootstrap (v4.0.0-alpha.3): tooltip.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -30,7 +30,7 @@ var Tooltip = (function ($) {
    */
 
   var NAME = 'tooltip';
-  var VERSION = '4.0.0-alpha.2';
+  var VERSION = '4.0.0-alpha.3';
   var DATA_KEY = 'bs.tooltip';
   var EVENT_KEY = '.' + DATA_KEY;
   var JQUERY_NO_CONFLICT = $.fn[NAME];
diff --git a/assets/javascripts/bootstrap/util.js b/assets/javascripts/bootstrap/util.js
index c8da76b..e013fbd 100644
--- a/assets/javascripts/bootstrap/util.js
+++ b/assets/javascripts/bootstrap/util.js
@@ -1,6 +1,6 @@
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.2): util.js
+ * Bootstrap (v4.0.0-alpha.3): util.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -17,6 +17,8 @@ var Util = (function ($) {
 
   var transition = false;
 
+  var MAX_UID = 1000000;
+
   var TransitionEndEvent = {
     WebkitTransition: 'webkitTransitionEnd',
     MozTransition: 'transitionend',
@@ -39,8 +41,9 @@ var Util = (function ($) {
       delegateType: transition.end,
       handle: function handle(event) {
         if ($(event.target).is(this)) {
-          return event.handleObj.handler.apply(this, arguments);
+          return event.handleObj.handler.apply(this, arguments); // eslint-disable-line prefer-rest-params
         }
+        return undefined;
       }
     };
   }
@@ -102,7 +105,7 @@ var Util = (function ($) {
     getUID: function getUID(prefix) {
       do {
         /* eslint-disable no-bitwise */
-        prefix += ~ ~(Math.random() * 1000000); // "~~" acts like a faster Math.floor() here
+        prefix += ~ ~(Math.random() * MAX_UID); // "~~" acts like a faster Math.floor() here
         /* eslint-enable no-bitwise */
       } while (document.getElementById(prefix));
       return prefix;