PulseChat — Real-time Chat & Support

1import { Server } from "socket.io";2 3const io = new Server(4000, { cors: { origin: process.env.APP_URL } });4 5io.on("connection", (socket) => {6  socket.on("join", (roomId) => socket.join(roomId));7  socket.on("message", async ({ roomId, text, userId }) => {8    const msg = await saveMessage({ roomId, text, userId });9    io.to(roomId).emit("message", msg);10  });11});

1import { useEffect, useState } from "react";2import { io } from "socket.io-client";3 4const socket = io(process.env.NEXT_PUBLIC_SOCKET_URL!);5 6export function useRealtime(roomId: string) {7  const [events, setEvents] = useState<Event[]>([]);8  useEffect(() => {9    socket.emit("join", roomId);10    socket.on("message", (e) => setEvents((p) => [...p, e]));11    return () => { socket.off("message"); };12  }, [roomId]);13  return events;14}