script.js

var Express = require('express');
var path = require('path');
var app = Express();
var fs = require('fs');

console.log(__dirname);

app.use('/cssFiles', express.static(__dirname + '/assets'));

app.get('/', function(req, res) {
	res.sendFile('index.html', {root: path.join(__dirname, './files')});
});

app.get(/^(.+)$/, function(req,res) {
	console.log(req.params);
	try {
		if(!fs.statSync(path.join(__dirname, './files/', req.params[0]+'.html')).isFile()) {
		  throw new Error('File Not Found');
		}
		res.sendFile(req.params[0]+'.html', {root: path.join(__dirname, './files')});
	} catch(err) {
		console.log(err);
		res.sendFile('404.html', {root: path.join(__dirname, './files')});
	}
});

app.listen(1337, function() {
	console.log('listening at 1337');

});