socket-io-client starter

client.js

var serverIndex = args.indexOf('--server') + 1;
if (!serverIndex) {
    console.log('No port specified. use --port <portnumber> as arguments when starting this script'.red.bold);
    process.exit();
}
var server = args[serverIndex];
var io = require('socket.io-client');
var socket = io.connect(server);

socket.on('connect',function(){
    console.log(`Connected to ${server}`);
});
socket.on('disconnect',function(){
    console.log(`${server} disconnected`);
});