import express from 'express';
import http from 'http';
import {Server as SocketIO} from 'socket.io';

//....
const app = express();
const server = new http.Server(app);
const io = new SocketIO(server);

io.on('connection', function (socket) {
    console.log(socket);
});
//....
const PORT = 8080;
server.listen(PORT, () => {
    console.log(`Listening at http://localhost:${PORT}/`);
});