FINAL-PROJECT-BACK-SOCKET/app.js

const express = require('express');
const app = express();
const server = require('http').createServer(app);
const { Server } = require('socket.io');
const io = new Server(server);
const logger = require('morgan');
const cors = require('cors');
const helmet = require('helmet');
const formatsLogger = app.get('env') === 'development' ? 'dev' : 'short';

app.use(helmet());
app.use(logger(formatsLogger));
app.use(cors());

app.get('/', (_, res) => {
	res.sendFile(__dirname + '/index.html');
});

io.on('connection', (socket) => {
	console.log('a user connected');
	socket.on('disconnect', () => {
		console.log('user disconnected');
	});
});

module.exports = server;