36 lines
1.1 KiB
TypeScript
36 lines
1.1 KiB
TypeScript
// File path: /hooks/themeContext.tsx
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import { createContext, useContext, ReactNode } from 'react';
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import { ThemeService } from 'service/themeService';
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const ThemeContext = createContext<ThemeService | undefined>(undefined);
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/**
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* ThemeProvider 组件用于提供主题上下文给其子组件。
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* 它使用 ThemeService 的单例实例来管理主题相关的状态和功能。
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*
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* @param children - 要渲染的子组件。
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*/
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export function ThemeProvider({ children }: { children: ReactNode }) {
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const themeService = ThemeService.getInstance();
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return (
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<ThemeContext.Provider value={themeService}>
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{children}
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</ThemeContext.Provider>
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);
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}
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/**
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* useTheme 钩子用于访问主题上下文。
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*
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* @returns ThemeService - 返回主题服务的实例。
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* @throws Error - 如果在 ThemeProvider 之外使用，将抛出错误。
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*/
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export function useTheme(): ThemeService {
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const context = useContext(ThemeContext);
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if (context === undefined) {
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throw new Error('useTheme must be used within a ThemeProvider');
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}
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return context;
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} |