Backbone app server - server static files or index.html

server.js

var connect = require('connect');

var httpPort = 8090;
var httpHost = "localhost";
var staticDir = __dirname;
var staticFiles = /\.(?:js|jpg|png|gif|json|css|ico|html|manifest|mp3|txt)(?:\?.+)?$/;

function route(app) {
  app.get(/.*/, function(request, response, next) {
    if (!(staticFiles).test(request.url)) {
        request.url = '/index.html';
      }
      next();
    });
}

connect.createServer(
  connect.router(route),
  connect.static(staticDir)
).listen(httpPort, httpHost, function() {
  console.log('HTTP Server running at http://%s:%d', httpHost, httpPort);
});