Function done

lib/finish.js:12–28

(err)

    let finished = false;

    function done(err) {
      if (finished) {
        return;
      }

      finished = true;

      item.removeListener('error', done);
      item.removeListener('end', done);
      item.removeListener('finish', done);

      if (err) {
        reject(err);
      } else {
        resolve();
      }
    }

    item.once('error', done);
    item.once('end', done);