mirror of
https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
Micha Reiser
93377ff508
Summary: ES Modules implicitly enable strict mode. Adding the "use strict" directive is, therefore, not required. This diff removes all "use strict" directives from ES modules. Changelog: [Internal] Reviewed By: motiz88 Differential Revision: D26172715 fbshipit-source-id: 57957bcbb672c4c3e62b1db633cf425c1c9d6430
34 lines
800 B
JavaScript
34 lines
800 B
JavaScript
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @format
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* @flow
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*/
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import * as React from 'react';
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import {AsyncStorage} from 'react-native';
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import type {RNTesterState} from '../types/RNTesterTypes';
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export const useAsyncStorageReducer = (
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reducer: Function,
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initialState: RNTesterState,
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storageKey: string,
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): [RNTesterState, Function] => {
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const [state, dispatch] = React.useReducer<Function, Object>(
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reducer,
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initialState,
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);
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React.useEffect(() => {
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if (state !== initialState) {
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AsyncStorage.setItem(storageKey, JSON.stringify(state));
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}
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}, [state, storageKey, initialState]);
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return [state, dispatch];
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};
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