upd

src/index.ts

@@ -81,6 +81,13 @@ io.on("connection", async (socket) => {
     io.to(roomId).emit("update", updatedRoomUsers);
   });
 
+  socket.on("message", (text) => {
+    io.to(roomId).emit("message", {
+      userId: socket.handshake.auth.user.id,
+      text,
+    });
+  });
+
   socket.on("disconnect", async () => {
     const sockets = await io.in(roomId).fetchSockets();