Function close

lib/internal/fs/streams.js:118–128

(stream, err, cb)

};

function close(stream, err, cb) {
  if (!stream.fd) {
    cb(err);
  } else if (stream.flush) {
    stream[kFs].fsync(stream.fd, (flushErr) => {
      _close(stream, err || flushErr, cb);
    });
  } else {
    _close(stream, err, cb);
  }
}

function _close(stream, err, cb) {
  stream[kFs].close(stream.fd, (er) => {