useLayoutEffect index.js

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  /**
 * Copyright (c) Nicolas Gallagher.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * useLayoutEffect throws an error on the server. On the few occasions where is
 * problematic, use this hook.
 *
 * @flow
 */
 
import { canUseDOM } from 'fbjs/lib/ExecutionEnvironment';
import { useEffect, useLayoutEffect } from 'react';
 
const useLayoutEffectImpl: typeof useLayoutEffect = canUseDOM ? useLayoutEffect : useEffect;
 
export default useLayoutEffectImpl;