Autoload routes - based on http://blog.harrywolff.com/smarter-express-routing/

helpers.js

var _ = require('lodash'),
  VALID_METHODS = ['get', 'put', 'post', 'delete'];

/**
  Initializes the express server with routes defined in seperate modules.

  Route modules should export valid http method arrays, with objects
  in the following form `{ path: string, callback: function }`.

  @param server - express app instance
  @param routeModules - required route modules
  @return
*/
function initializeRoutes (server, routeModules) {
  if (!server || !routeModules) {
    throw new Error('Could\'t initialize express routes.');
  }

  routeModules.forEach(function (module) {
    _.forOwn(module, function (value, key) {
      key = key.toLowerCase();
      
      // Only allow valid http methods
      if (VALID_METHODS.indexOf(key) !== -1) {
        module[key].forEach(function (route) {
          server[key].call(server, route.path, route.callback);
        });
      }
    });
  });
}



// Available helpers API
module.exports = {
  initializeRoutes: initializeRoutes
};

index.js

var express = require('express'),
  userRoutes = require('./routes/user'),
  helpers = require('./helpers'),
  app = express();
  
// Middleware, etc..

helpers.initializeRoutes(app, [
  userRoutes
]);

// start server..

route.js

var route = {
  path: '/users/:id',
  callback: function (req, res) {
    // route code here..
  }
};

module.exports = {
  get: [route]
};