Function copyFile

lib/internal/fs/promises.js:1331–1347

(src, dest, mode)

}

async function copyFile(src, dest, mode) {
  const h = vfsState.handlers;
  if (h !== null) {
    const promise = h.copyFile(src, dest, mode);
    if (promise !== undefined) { await promise; return; }
  }
  return await PromisePrototypeThen(
    binding.copyFile(
      getValidatedPath(src, 'src'),
      getValidatedPath(dest, 'dest'),
      mode,
      kUsePromises,
    ),
    undefined,
    handleErrorFromBinding,
  );
}

// Note that unlike fs.open() which uses numeric file descriptors,
// fsPromises.open() uses the fs.FileHandle class.