| 1 | /** |
| 2 | * Copyright (c) Meta Platforms, Inc. and affiliates. |
| 3 | * |
| 4 | * This source code is licensed under the MIT license found in the |
| 5 | * LICENSE file in the root directory of this source tree. |
| 6 | * |
| 7 | * @flow |
| 8 | */ |
| 9 | |
| 10 | import {useContext, useMemo} from 'react'; |
| 11 | import {SettingsContext} from './Settings/SettingsContext'; |
| 12 | import {THEME_STYLES} from '../constants'; |
| 13 | |
| 14 | const useThemeStyles = (): any => { |
| 15 | const {theme, displayDensity, browserTheme} = useContext(SettingsContext); |
| 16 | |
| 17 | const style = useMemo( |
| 18 | () => ({ |
| 19 | ...THEME_STYLES[displayDensity], |
| 20 | ...THEME_STYLES[theme === 'auto' ? browserTheme : theme], |
| 21 | }), |
| 22 | [theme, browserTheme, displayDensity], |
| 23 | ); |
| 24 | |
| 25 | return style; |
| 26 | }; |
| 27 | |
| 28 | export default useThemeStyles; |