Returns the jqXHR for AJAX requests, and returns a jQuery.Defered().p…

…romise for cached responses

lib/jquery.offline.js

@@ -146,7 +146,7 @@
       // store the result in the cache. This function will be
       // deferred until later if the user is offline
       function getData() {
-        getJSON(url, data, function(json, status) {
+        return getJSON(url, data, function(json, status) {
           if ( status == 'notmodified' ) {
             // Just return if the response has a 304 status code
             return false;
@@ -179,15 +179,20 @@
       // If there is anything in the cache, call the callback
       // right away, with the "cached" status string
       if( text ) {
-        var response = fn( $.parseJSON(text), "cached", { cachedAt: date } );
-        if( response === false ) return false;
+        var obj = $.parseJSON(text);
+        var response = fn( obj, "cached", { cachedAt: date } );
+        if( response === false ) {
+          var dfd = $.Deferred().promise();
+          dfd.done = function(callback) { callback(obj) };
+          return dfd;
+        }
       }
 
       // If the user is online, make the Ajax request right away;
       // otherwise, make it the most recent callback so it will
       // get triggered when the user comes online
       if (window.navigator.onLine) {
-        getData();
+        return getData();
       } else {
         mostRecent = getData;
       }
@@ -209,4 +214,4 @@
     $.clearJSON = $.noop;
   }
 
-})(jQuery);
+})(jQuery);