lib/js/websocketio.js in sinatra-websocketio-0.3.1 vs lib/js/websocketio.js in sinatra-websocketio-0.3.2

@@ -21,16 +21,17 @@
     }
     self.running = true;
     var url = self.session ? self.url+"/session="+self.session : self.url;
     self.websocket = new WebSocket(url);
     self.websocket.onmessage = function(e){
+      var data_ = null
       try{
-        var data_ = JSON.parse(e.data);
-        self.emit(data_.type, data_.data);
+        data_ = JSON.parse(e.data);
       }
       catch(e){
         self.emit("error", "WebSocketIO data parse error");
       }
+      if(!!data_) self.emit(data_.type, data_.data);
     };
     self.websocket.onclose = function(){
       if(self.connecting){
         self.connecting = false;
         self.emit("disconnect");