gistfile1.js

// launch.js

var traceur = require('traceur');
traceur.require('site.js');

// site.js
var express = require('express');
var app = express();

app.get('/', (req, res) => res.send(getSalutation(req.query.name)));

function getSalutation(name = 'Anonymous') {
	return `hello ${name}`;
}

console.log("Listening on 3131");
app.listen(3131);