Express view rendering based on extension

index.js

var App = express();

App.engine('html', require('ejs').renderFile);
App.set('views', '/');
App.set('view engine', 'html');

App.use(function(req, res, next){
  res.locals.title = 'Test';
  next();
});

App.all(/.*\.html$/, function(req, res, next){
  console.log(req.url);
  if (path.existsSync(req.url)) { 
    res.render(req.url.substring(1));
  } else {
    next();
  } 
});

App.use(express.static('/'));