ets2-dashboard-skin/server.dev/src/index.js

Euro Truck Simulator 2 dashboard

/**
 * @author:	Emmanuel SMITH <hey@emmanuel-smith.me>
 * project:	ets2-dashboard-skin
 * file: 	index.js
 * Date: 	08/10/2020
 * Time: 	20:02
 */

const path     = require( 'path' );
const fs       = require( 'fs' );
const socketio = require( 'socket.io' );

const express    = require( 'express' );
const http       = require( 'http' );
const bodyParser = require( 'body-parser' );
const cors       = require( 'cors' );


const options        = { /* ... */ };
const io             = socketio( options );
const dateFilename   = path.resolve( process.cwd(), '../src/data/scs_sdk_plugin_parsed_data.json' );
const port           = 3000;
const configFilePath = path.resolve( process.cwd(), '../src/data/ets2-dashboard-skin.config.json' );
const interval       = () => {
	const config    = JSON.parse( fs.readFileSync( configFilePath, 'UTF-8' ) );
	const rateFound = config.hasOwnProperty( 'general_refresh_rate' );
	
	return (rateFound)
		? parseInt( config.general_refresh_rate )
		: 15;
}; // Milisecond

// ---

let app    = express();
let server = http.createServer( app );

app.use( bodyParser.json() );
app.use( cors( {
	origin:      /http:\/\/localhost:\d+/,
	credentials: true
} ) );
app.use( '/maps', express.static( path.resolve( __dirname, '../../maps' ) ) );

// ---

io.on( 'connection', socket => {
	const data = fs.readFileSync( dateFilename );
	console.log( 'Update' );
	setInterval( () => io.emit( 'update', JSON.parse( data.toString() ) ), interval() );
} );

server.listen( port, () => {
	const url  = `localhost:${ port }`;
	const data = {
		url:  url,
		port: port
	};
	
	const eventName = 'server.listen';
	io.emit( 'log', {
		eventName: eventName,
		rawData:   data
	} );
	
	console.log( 'server.listen', data, `Euro Truck Simulator 2 dashboard is running at http://${ url }/` );
} );