On refresh opening

js/utils/utils.js

@@ -1,6 +1,33 @@
 (function(ionic) {
   
   ionic.Utils = {
+    throttle: function(func, wait, options) {
+      var context, args, result;
+      var timeout = null;
+      var previous = 0;
+      options || (options = {});
+      var later = function() {
+        previous = options.leading === false ? 0 : Date.now();
+        timeout = null;
+        result = func.apply(context, args);
+      };
+      return function() {
+        var now = Date.now();
+        if (!previous && options.leading === false) previous = now;
+        var remaining = wait - (now - previous);
+        context = this;
+        args = arguments;
+        if (remaining <= 0) {
+          clearTimeout(timeout);
+          timeout = null;
+          previous = now;
+          result = func.apply(context, args);
+        } else if (!timeout && options.trailing !== false) {
+          timeout = setTimeout(later, remaining);
+        }
+        return result;
+      };
+    },
      // Borrowed from Backbone.js's extend
      // Helper function to correctly set up the prototype chain, for subclasses.
      // Similar to `goog.inherits`, but uses a hash of prototype properties and
@@ -55,5 +82,6 @@
 
   ionic.inherit = ionic.Utils.inherit;
   ionic.extend = ionic.Utils.extend;
+  ionic.throttle = ionic.Utils.throttle;
 
 })(window.ionic);