Fixed bad polyfill for #181

Author: Max Lynch

dist/css/ionic.css

@@ -1,4 +1,3 @@
-@charset "UTF-8";
 /**
  * Copyright 2013 Drifty Co.
  * http://drifty.com/

dist/css/themes/ionic-ios7.css

@@ -1,4 +1,3 @@
-@charset "UTF-8";
 /** 
  * Nav controllers and header bar animations
  */

dist/js/ionic.js

@@ -219,25 +219,26 @@ window.ionic = {
 (function(ionic) {
 
   // Custom event polyfill
-
   if(!window.CustomEvent) {
-    var CustomEvent;
-
-    CustomEvent = function(event, params) {
-      var evt;
-      params = params || {
-        bubbles: false,
-        cancelable: false,
-        detail: undefined
+    (function() {
+      var CustomEvent;
+
+      CustomEvent = function(event, params) {
+        var evt;
+        params = params || {
+          bubbles: false,
+          cancelable: false,
+          detail: undefined
+        };
+        evt = document.createEvent("CustomEvent");
+        evt.initCustomEvent(event, params.bubbles, params.cancelable, params.detail);
+        return evt;
       };
-      evt = document.createEvent("CustomEvent");
-      evt.initCustomEvent(event, params.bubbles, params.cancelable, params.detail);
-      return evt;
-    };
 
-    CustomEvent.prototype = window.Event.prototype;
+      CustomEvent.prototype = window.Event.prototype;
 
-    window.CustomEvent = CustomEvent;
+      window.CustomEvent = CustomEvent;
+    })();
   }
 
   ionic.EventController = {

js/utils/events.js

@@ -13,25 +13,26 @@
 (function(ionic) {
 
   // Custom event polyfill
-
   if(!window.CustomEvent) {
-    var CustomEvent;
-
-    CustomEvent = function(event, params) {
-      var evt;
-      params = params || {
-        bubbles: false,
-        cancelable: false,
-        detail: undefined
+    (function() {
+      var CustomEvent;
+
+      CustomEvent = function(event, params) {
+        var evt;
+        params = params || {
+          bubbles: false,
+          cancelable: false,
+          detail: undefined
+        };
+        evt = document.createEvent("CustomEvent");
+        evt.initCustomEvent(event, params.bubbles, params.cancelable, params.detail);
+        return evt;
       };
-      evt = document.createEvent("CustomEvent");
-      evt.initCustomEvent(event, params.bubbles, params.cancelable, params.detail);
-      return evt;
-    };
 
-    CustomEvent.prototype = window.Event.prototype;
+      CustomEvent.prototype = window.Event.prototype;
 
-    window.CustomEvent = CustomEvent;
+      window.CustomEvent = CustomEvent;
+    })();
   }
 
   ionic.EventController = {