src/index.js

@@ -129,6 +129,13 @@ io.on("connection", (socket) => {
       });
     }
   });
+
+  socket.on("spectate", (data) => {
+    if (io.sockets.adapter.rooms.has(data)) {
+      console.log(traffic.in + colours.connect(`User ${String(socket.id)} is spectating room ${data}`));
+      socket.join(data);
+    }
+  });
 });
 
 http.listen(port, () => {