Files
openclawdoc/components/ThemeProvider.tsx
2026-02-28 23:01:30 +08:00

50 lines
1.4 KiB
TypeScript

'use client';
import React, { createContext, useContext, useEffect, useState } from 'react';
type Theme = 'light' | 'dark';
interface ThemeContextType {
theme: Theme;
toggleTheme: () => void;
}
const ThemeContext = createContext<ThemeContextType | undefined>(undefined);
export function ThemeProvider({ children }: { children: React.ReactNode }) {
const [theme, setTheme] = useState<Theme>('dark'); // Default to dark as requested earlier
const [mounted, setMounted] = useState(false);
useEffect(() => {
const savedTheme = localStorage.getItem('theme') as Theme | null;
if (savedTheme) {
setTheme(savedTheme);
document.documentElement.setAttribute('data-theme', savedTheme);
} else {
document.documentElement.setAttribute('data-theme', 'dark');
}
setMounted(true);
}, []);
const toggleTheme = () => {
const newTheme = theme === 'light' ? 'dark' : 'light';
setTheme(newTheme);
localStorage.setItem('theme', newTheme);
document.documentElement.setAttribute('data-theme', newTheme);
};
return (
<ThemeContext.Provider value={{ theme, toggleTheme }}>
{children}
</ThemeContext.Provider>
);
}
export function useTheme() {
const context = useContext(ThemeContext);
if (context === undefined) {
throw new Error('useTheme must be used within a ThemeProvider');
}
return context;
}