code: function run(js, path) {
    var m = new Module(path, module)
    Module._findPath = findPath
    m.paths = Module._nodeModulePaths(dirname(path))
    m.id = path
    m.filename = path
    js = 'module.return=eval(' + json(js) + ')'
    m._compile(js, path)
    Module._findPath = originalFindPath
    return m
  }
docs: run `js` as if it were a module at `path`
  
  @param {String} js
  @param {String} path
  @api private