react-native/local-cli/link/promisify.js

/**
 * Copyright (c) 2015-present, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 */

module.exports = (func) => new Promise((resolve, reject) =>
  func((err, res) => err ? reject(err) : resolve(res))
);