acha-framework/src/backend/error-handler.js

is a modular framework on both client (angular.js) and server (node.js) side, it provides security, orm, ioc, obfuscation and ...

(function (undefined) {
  Ioc.define('backend.errorHandler', [], function (provide) {
    provide(function (err, req, res, next) {
      console.error(err.stack);
      res.status(500).send('Something broke!');
    });
  });
}());