Function makeCallback

lib/fs.js:181–185

(cb)

// for callbacks that are passed to the binding layer, callbacks that are
// invoked from JS already run in the proper scope.
function makeCallback(cb) {
  validateFunction(cb, 'cb');

  return (...args) => ReflectApply(cb, this, args);
}

// Special case of `makeCallback()` that is specific to async `*stat()` calls as
// an optimization, since the data passed back to the callback needs to be