server.js

const express = require('express');
const app = express();
const server = require('http').Server(app);
const io = require('socket.io')(server);
const { v4: uuidv4 } = require('uuid');
const { ExpressPeerServer } = require('peer');
const peerServer = ExpressPeerServer(server, {
    debug: true
});
app.set('view engine', 'ejs');
app.use(express.static('public'));


app.use('/peerjs', peerServer);
app.get('/', (req, res) => {
    res.redirect(`/${uuidv4()}`);
})

app.get('/:room',(req,res) => {
    res.render('room', { roomId: req.params.room })
})

io.on('connection', socket =>{
    socket.on('join-room' , (roomId, userId) =>{
        socket.join(roomId);
        socket.to(roomId).emit('user-connected', userId);

        socket.on('meage', message => {
            io.to(roomId).emit('createMessage', message);
        })
    })
})

server.listen(process.env.PORT||3030);