Function vfsResult

lib/fs.js:208–212

* Route VFS async result (Promise) to error-first callback. * @param {Promise|undefined} promise The VFS handler result * @param {Function} callback The error-first callback * @returns {boolean} true if VFS handled, false otherwise

(promise, callback)

 * @returns {boolean} true if VFS handled, false otherwise
 */
function vfsResult(promise, callback) {
  if (promise === undefined) return false;
  PromisePrototypeThen(promise, (result) => callback(null, result), callback);
  return true;
}

/**
 * Route VFS async void result to error-first callback.