Refactor getBrowserCapabilities

Gruntfile.js

@@ -50,6 +50,7 @@ module.exports = function (grunt) {
           banner: '<%= banner %>'
         },
         src: [
+          'js/common.js',
           'js/modals.js',
           'js/popovers.js',
           'js/push.js',

js/common.js

@@ -0,0 +1,27 @@
+/* ========================================================================
+ * Ratchet: common.js v2.0.2
+ * http://goratchet.com/
+ * ========================================================================
+ * Copyright 2015 Connor Sears
+ * Licensed under MIT (https://github.com/twbs/ratchet/blob/master/LICENSE)
+ * ======================================================================== */
+
+!(function () {
+  'use strict';
+
+  // Original script from http://davidwalsh.name/vendor-prefix
+  var getBrowserCapabilities = (function () {
+    var styles = window.getComputedStyle(document.documentElement, '');
+    var pre = (Array.prototype.slice
+        .call(styles)
+        .join('')
+        .match(/-(moz|webkit|ms)-/) || (styles.OLink === '' && ['', 'o'])
+      )[1];
+    return {
+      prefix: '-' + pre + '-',
+      transform: pre[0].toUpperCase() + pre.substr(1) + 'Transform'
+    };
+  })();
+
+  window.getBrowserCapabilities = getBrowserCapabilities;
+}());

js/sliders.js

@@ -25,22 +25,8 @@
   var scrollableArea;
   var startedMoving;
 
-  // Original script from http://davidwalsh.name/vendor-prefix
+  var transformPrefix   = window.getBrowserCapabilities.prefix;
-  var getBrowserCapabilities = (function () {
+  var transformProperty = window.getBrowserCapabilities.transform;
-    var styles = window.getComputedStyle(document.documentElement, '');
-    var pre = (Array.prototype.slice
-        .call(styles)
-        .join('')
-        .match(/-(moz|webkit|ms)-/) || (styles.OLink === '' && ['', 'o'])
-      )[1];
-    return {
-      prefix: '-' + pre + '-',
-      transform: pre[0].toUpperCase() + pre.substr(1) + 'Transform'
-    };
-  })();
-
-  var transformPrefix   = getBrowserCapabilities.prefix;
-  var transformProperty = getBrowserCapabilities.transform;
 
   var getSlider = function (target) {
     var i;

js/toggles.js

@@ -14,21 +14,7 @@
   var touchMove = false;
   var distanceX = false;
   var toggle    = false;
-
+  var transformProperty = window.getBrowserCapabilities.transform;
-  // Original script from http://davidwalsh.name/vendor-prefix
-  var getBrowserCapabilities = (function () {
-    var styles = window.getComputedStyle(document.documentElement, '');
-    var pre = (Array.prototype.slice
-        .call(styles)
-        .join('')
-        .match(/-(moz|webkit|ms)-/) || (styles.OLink === '' && ['', 'o'])
-      )[1];
-    return {
-      transform: pre[0].toUpperCase() + pre.substr(1) + 'Transform'
-    };
-  })();
-
-  var transformProperty = getBrowserCapabilities.transform;
 
   var findToggle = function (target) {
     var i;