improved performance when reloading page

backend/handlers/roomHandler.js

@@ -10,9 +10,10 @@ module.exports = (io, socket) => {
         if (room.nextMoveTime <= Date.now()) {
             room.changeMovingPlayer();
             await RoomModel.findOneAndUpdate({ _id: req.session.roomId }, room);
-        }
             io.to(req.session.roomId).emit('room:data', JSON.stringify(room));
+        } else {
+            io.to(socket.id).emit('room:data', JSON.stringify(room));
+        }
     };
-
     socket.on('room:data', getData);
 };

backend/server.js

@@ -81,7 +81,6 @@ io.on('connection', socket => {
         const roomId = socket.request.session.roomId.toString();
         socket.join(roomId);
         socket.emit('player:data', JSON.stringify(socket.request.session));
-        io.to(roomId).emit('player joined');
     }
 });
 

src/components/Gameboard.jsx

@@ -35,6 +35,7 @@ const Gameboard = () => {
         socket.emit('room:data', context.roomId);
         socket.on('room:data', data => {
             data = JSON.parse(data);
+            if (data.players == null) return;
             // Filling navbar with empty player nick container
             while (data.players.length !== 4) {
                 data.players.push({ name: '...' });