Function access

lib/internal/fs/promises.js:1311–1322

(path, mode = F_OK)

// All of the functions are defined as async in order to ensure that errors
// thrown cause promise rejections rather than being thrown synchronously.
async function access(path, mode = F_OK) {
  const h = vfsState.handlers;
  if (h !== null) {
    const promise = h.access(path, mode);
    if (promise !== undefined) { await promise; return; }
  }
  return await PromisePrototypeThen(
    binding.access(getValidatedPath(path), mode, kUsePromises),
    undefined,
    handleErrorFromBinding,
  );
}

async function cp(src, dest, options) {
  options = validateCpOptions(options);