server.js

'use strict';

var fs = require('fs');
var url = require('url');
var path = require('path');
var http = require('http');
var root = path.resolve(process.argv[2] || '.');

console.log('Static root dir: ' + root);

var server = http.createServer(function (request, response) {
    var pathname = url.parse(request.url).pathname;

    if (pathname === '/') {
        pathname += 'index.html';
    }

    var filepath = path.join(root, pathname);

    fs.stat(filepath, function (err, stats) {
        if (!err && stats.isFile()) {
            console.log('200 ' + request.url);
            response.writeHead(200);
            fs.createReadStream(filepath).pipe(response);
        } else {
            console.log('404 ' + request.url);
            response.writeHead(404);
            response.end('404 Not Found');
        }
    });
});

server.listen(8080);
console.log('nasWallet is running at http://127.0.0.1:8080/');