recoil/cjs/util/Recoil_filterMap.js.flow

Recoil - A state management library for React

/**
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @emails oncall+recoil
 * @flow strict-local
 * @format
 */
'use strict';
/**
 * Returns a map containing all of the keys + values from the original map where
 * the given callback returned true.
 */

declare function filterMap<TKey, TValue>(map: $ReadOnlyMap<TKey, TValue>, callback: (value: TValue, key: TKey) => boolean): Map<TKey, TValue>;
module.exports = filterMap;