Function chmod

lib/fs.js:2437–2448

* Asynchronously changes the permissions of a file. * @param {string | Buffer | URL} path * @param {string | number} mode * @param {(err?: Error) => any} callback * @returns {void}

(path, mode, callback)

 * @returns {void}
 */
function chmod(path, mode, callback) {
  path = getValidatedPath(path);
  mode = parseFileMode(mode, 'mode');
  callback = makeCallback(callback);

  const h = vfsState.handlers;
  if (h !== null && vfsVoid(h.chmod(path, mode), callback)) return;

  const req = new FSReqCallback();
  req.oncomplete = callback;
  binding.chmod(path, mode, req);
}

/**
 * Synchronously changes the permissions of a file.