githubmr/facebook-react: The library for web and native user interfaces.

packages/shared/isArray.js

21 строка451 B

Jan Kassens

Update Flow to 0.248 (#34248)

21 авг 2025, 18:15

21 авг 2025, 18:15873f711

/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @flow
 */

declare function isArray<T>(
  v: T,
  // eslint-disable-next-line
): v is T extends $ReadOnlyArray<mixed> ? T : empty;

const isArrayImpl = Array.isArray;

function isArray(a: mixed): boolean {
  return isArrayImpl(a);
}

export default isArray;