server.js

server.js

const server = require('net').createServer()

let sockets = {}
let counter = 0

server.on('connection', socket => {
    socket.id = counter++
    sockets[socket.id] = socket 
    console.log('client connected')
    socket.write('welcome client\n')

    socket.on('data', data => {
        console.log('data is:', data)
        Object.entries(sockets).forEach(([_, cs]) => {
            cs.write(`${socket.id}: `)
            cs.write(data)
        });
        socket.write('data is: ')
        socket.write(data)

        socket.on('end', () => {
            delete sockets[socket.id]
            console.log('client disconnected')
        })
        

    })
})

server.listen(8000, ()=> console.log('server bound'))