Socket.IO

Server Setup

import { Server } from 'socket.io';
import { createServer } from 'http';

const httpServer = createServer(app);

interface ServerToClientEvents {
  message: (data: { user: string; text: string; timestamp: number }) => void;
  userJoined: (user: string) => void;
}

interface ClientToServerEvents {
  sendMessage: (text: string, callback: (status: 'ok' | 'error') => void) => void;
  joinRoom: (room: string) => void;
}