server.js

import http from 'http';
import url from 'url';
import qs from 'querystring';
import router from 'redshirt';

async function serve (request, response) {
    const { pathname, query } = url.parse(request.url);
    const route = router.find(request.method, pathname);
    
    if (!route) {
        response.writeHead(404, { 'Content-Type': 'application/json' });
        response.end(JSON.stringify({ error: http.STATUS_CODES[ 404 ] }));
    }
    
    if (!response.finished) try {
        const { action, params } = route;
        const result = await action(request, params, qs.parse(query));
        const { body, headers, statusCode = 200 } = result;
        
        response.writeHead(statusCode, headers);
        response.end(body);
    }
    catch (exception) {
        const { body, headers, statusCode = 500 } = exception;
        
        response.writeHead(statusCode, headers);
        response.end(body);
    }
}

const server = http.createServer(serve);
const port = process.env.PORT || 80;

server.listen(port);