vybe/index.js

const fs = require('fs');
const express = require('express');
const http = require('http');
const { Server } = require('socket.io');
const compression = require('compression');

const events = Object.fromEntries(
	fs.readdirSync('./src/event')
		.map(event => [event.slice(0, -3), require('./src/event/' + event)])
);

const PORT = process.env.PORT || 3435;

const app = express();
app.use(compression());
const server = http.createServer(app);
const io = new Server(server, {
	cors: {
		origin: true,
	},
});

io.on('connection', (socket) => {
	for (let event in events) {
		socket.on(event, (msg, callback) => {
			if (!events[event]) {
				callback('no such event ' + event);
				return;
			}
			events[event](msg, callback, socket);
		});
	}
	socket.on('disconnect', reason => {
		let user = vybe.users[socket.username];
		if (user)
			user.sockets.splice(user.sockets.indexOf(socket), 1);
	})
});

global.vybe = {
	users: {}
};

server.listen(PORT, () => {
	console.log('server running on port ' + PORT);
});

app.use(express.static('client'));