File size: 1,149 Bytes
d02c2a6 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 | 'use client';
import { createContext, useContext, useEffect, useState } from 'react';
type Theme = 'light' | 'dark';
interface ThemeContextValue {
theme: Theme;
toggleTheme: () => void;
}
const ThemeContext = createContext<ThemeContextValue>({
theme: 'dark',
toggleTheme: () => {},
});
export const useTheme = () => useContext(ThemeContext);
export const ThemeProvider = ({ children }: { children: React.ReactNode }) => {
const [theme, setTheme] = useState<Theme>('dark');
const [mounted, setMounted] = useState(false);
useEffect(() => {
const stored = localStorage.getItem('theme') as Theme | null;
const initial = stored || 'dark';
setTheme(initial);
document.documentElement.classList.toggle('dark', initial === 'dark');
setMounted(true);
}, []);
const toggleTheme = () => {
const next = theme === 'dark' ? 'light' : 'dark';
setTheme(next);
localStorage.setItem('theme', next);
document.documentElement.classList.toggle('dark', next === 'dark');
};
if (!mounted) return null;
return <ThemeContext.Provider value={{ theme, toggleTheme }}>{children}</ThemeContext.Provider>;
};
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