ghost-portal/packages/react-hooks/src/useTheme.ts

30 lines
752 B
TypeScript

// Copyright 2017-2023 @polkadot/react-hooks authors & contributors
// SPDX-License-Identifier: Apache-2.0
import type React from 'react';
import type { ThemeDef } from '@polkadot/react-components/types';
import { useContext, useMemo } from 'react';
import { ThemeContext } from 'styled-components';
import { createNamedHook } from './createNamedHook.js';
interface Theme {
theme: ThemeDef['theme'];
themeClassName: `theme--${ThemeDef['theme']}`;
}
function useThemeImpl (): Theme {
const { theme } = useContext(ThemeContext as React.Context<ThemeDef>);
return useMemo(
(): Theme => ({
theme,
themeClassName: `theme--${theme}`
}),
[theme]
);
}
export const useTheme = createNamedHook('useTheme', useThemeImpl);