NodeJs Socket.io template

base.mjs

import http from 'http';
import {socket} from './socket.mjs';


export default async (app) => {

let httpsServer = https.createServer(credentials, app);
		httpsServer
			.listen(config.secureInternalPort, '0.0.0.0', () => {
				console.log(`server running`);
			})
			.on('error', (err) => {
				console.error({
					message: 'Sorry Something went wrong starting the secure server',
					
				});
				process.exit(1);
			});

		socket.connect(httpsServer);
}

socket.mjs

import { Server } from 'socket.io';
var io = null;

let myClientList = [];
global.socket = [];
global.io = io;
const socketCors = {
	cors: {
		origin: '*',
		methods: 'GET,PUT,POST,DELETE,OPTIONS'.split(','),
		credentials: true,
		exposedHeaders: ['Content-Length', 'Range'],
		acceptRanges: 'byes',
	},
}

export const socket = {
	connect: function (server) {
		io = new Server(server, socketCors);
		io.setMaxListeners(300);

		io.once('connection', (socket) => {

			socket.on('disconnect', () => {
				
			});

		});

	},

	listen: function (event, values) {
		if (io) {
			io.listen(event, values);
		}
	},

	emit: function (event, values) {
		if (io) {
			io.emit(event, values);
		}
	},

	use: function (event, values) {
		if (io) {
			io.sockets.use(event, values);
		}
	},

	on: function (event, values) {
		if (io) {
			io.on(event, values);
		}
	},
};

export default socket;