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packages/react-native/Libraries/Utilities/useColorScheme.js
25 строк
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Tim Yung
RN: Sort Pragmas in Headers (#51554)
23 май 2025, 07:18
23 май 2025, 07:18
1977dd6
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/** * 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 strict-local * @format */ 'use strict'; import type {ColorSchemeName} from './NativeAppearance'; import {addChangeListener, getColorScheme} from './Appearance'; import {useSyncExternalStore} from 'react'; const subscribe = (onStoreChange: () => void) => { const appearanceSubscription = addChangeListener(onStoreChange); return () => appearanceSubscription.remove(); }; export default function useColorScheme(): ?ColorSchemeName { return useSyncExternalStore(subscribe, getColorScheme); }