recoil/cjs/util/Recoil_deepFreezeValue.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.
 *
 * Deep freeze values. Do not descend into React elements, Immutable structures,
 * or in general things that respond poorly to being frozen. Follows the
 * implementation of deepFreezeValue.
 *
 * @emails oncall+recoil
 * @flow strict-local
 * @format
 */
'use strict';

const isArrayBufferView = require('./Recoil_isArrayBufferView');

const isNode = require('./Recoil_isNode');

const isPromise = require('./Recoil_isPromise');

const isSSR = typeof window === 'undefined';
const isReactNative = typeof navigator !== 'undefined' && navigator.product === 'ReactNative'; // eslint-disable-line fb-www/typeof-undefined

declare function shouldNotBeFrozen(value: mixed): boolean; // Recursively freeze a value to enforce it is read-only.
// This may also have minimal performance improvements for enumerating
// objects (based on browser implementations, of course)

declare function deepFreezeValue(value: mixed): any;
module.exports = deepFreezeValue;