lib/js/cometio.js in sinatra-cometio-0.3.8 vs lib/js/cometio.js in sinatra-cometio-0.3.9

@@ -4,9 +4,13 @@
   this.session = null;
   var running = false;
   var self = this;
 
   this.push = function(type, data){
+    if(!self.session){
+      self.emit("error", "CometIO not connected");
+      return;
+    }
     $.ajax(
       {
         url : self.url,
         data : {type : type, data : data, session : self.session},
         success : function(data){