send & parse JSON in the ws calls; add cb to avoid crash due to unavailable connection

lib/modules/webserver/backend/index.html

@@ -8,7 +8,7 @@ Welcome to Embark!
 
   ws.onmessage = function (evt) {
     var received_msg = evt.data;
-    console.log(received_msg);
+    console.log(JSON.parse(received_msg));
   };
 
   ws.onclose = function() {

lib/modules/webserver/server.js

@@ -69,12 +69,12 @@ class Server {
 
     this.app.ws('/logs', function(ws, req) {
       self.events.on("log", function(logLevel, logMsg) {
-        ws.send(logMsg.stripColors);
+        ws.send(JSON.stringify({msg: logMsg, msg_clear: logMsg.stripColors, logLevel: logLevel}), () => {});
       });
       ws.on('message', function(msg) {
         console.dir("got message");
         console.dir(msg);
-        ws.send(msg);
+        ws.send(msg, () => {});
       });
     });