not quite UMD AMD thing

amdnode.js

(function(root,factory) {
  if (typeof define === 'function' && define.amd) { define(['underscore'], factory); }
  else if (typeof exports === 'object')           { module.exports = factory(require('underscore')); }
  else                                            { root.returnExports = factory(root.underscore); }
}(this, function(_) {
'use strict';
  return {
    // thing public interface
  };
}));