Modularize requestAnimationFrame

Author: Amir Tocker

src/Util/requestAnimationFrame.js

@@ -5,27 +5,29 @@
 
 // MIT license
 
-(function() {
-  var lastTime = 0;
-  var vendors = ['ms', 'moz', 'webkit', 'o'];
-  for(var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {
-    window.requestAnimationFrame = window[vendors[x]+'RequestAnimationFrame'];
-    window.cancelAnimationFrame = window[vendors[x]+'CancelAnimationFrame']
-      || window[vendors[x]+'CancelRequestAnimationFrame'];
-  }
+var lastTime = 0;
+var vendors = ['ms', 'moz', 'webkit', 'o'];
+var requestAnimationFrame = window.requestAnimationFrame;
+var cancelAnimationFrame = window.cancelAnimationFrame;
+for (var x = 0; x < vendors.length && !requestAnimationFrame; ++x) {
+  requestAnimationFrame = window[vendors[x] + 'RequestAnimationFrame'];
+  cancelAnimationFrame = window[vendors[x] + 'CancelAnimationFrame']
+    || window[vendors[x] + 'CancelRequestAnimationFrame'];
+}
 
-  if (!window.requestAnimationFrame)
-    window.requestAnimationFrame = function(callback, element) {
-      var currTime = new Date().getTime();
-      var timeToCall = Math.max(0, 16 - (currTime - lastTime));
-      var id = window.setTimeout(function() { callback(currTime + timeToCall); },
-        timeToCall);
-      lastTime = currTime + timeToCall;
-      return id;
-    };
+if (!requestAnimationFrame)
+  requestAnimationFrame = function (callback, element) {
+    var currTime = new Date().getTime();
+    var timeToCall = Math.max(0, 16 - (currTime - lastTime));
+    var id = window.setTimeout(function () { callback(currTime + timeToCall); },
+      timeToCall);
+    lastTime = currTime + timeToCall;
+    return id;
+  };
 
-  if (!window.cancelAnimationFrame)
-    window.cancelAnimationFrame = function(id) {
-      clearTimeout(id);
-    };
-}());
+if (!cancelAnimationFrame)
+  cancelAnimationFrame = function (id) {
+    clearTimeout(id);
+  };
+
+export {requestAnimationFrame, cancelAnimationFrame};