duplicate user fix

src/index.ts

@@ -37,6 +37,16 @@ io.on("connection", (socket: Socket) => {
 
   // Handle user-online event
   socket.on("user-online", (user: any) => {
+    // console.log("User online:", user);
+    // Check if the same user exists in the map
+    for (const [key, value] of onlineUsers.entries()) {
+      console.log("value", value);
+      if (value.userId === user.userId) {
+        // Assuming user object has an 'id' property
+        onlineUsers.delete(key);
+        break;
+      }
+    }
     // Now we store the socket ID along with the user details
     onlineUsers.set(socket.id, { ...user, socketId: socket.id });
     io.emit("online-users", Array.from(onlineUsers.values()));