60 lines
1.6 KiB
TypeScript
60 lines
1.6 KiB
TypeScript
'use client';
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import { createContext, useContext, useEffect, useState } from 'react';
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type Theme = 'light' | 'dark';
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interface ThemeContextType {
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theme: Theme;
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toggleTheme: () => void;
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}
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const ThemeContext = createContext<ThemeContextType | undefined>(undefined);
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export function ThemeProvider({ children }: { children: React.ReactNode }) {
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const [theme, setTheme] = useState<Theme>('light');
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const [mounted, setMounted] = useState(false);
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useEffect(() => {
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setMounted(true);
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// Load theme from localStorage
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const savedTheme = localStorage.getItem('theme') as Theme | null;
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const initialTheme = savedTheme || 'light';
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setTheme(initialTheme);
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document.documentElement.setAttribute('data-theme', initialTheme);
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if (initialTheme === 'dark') {
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document.documentElement.classList.add('dark');
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} else {
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document.documentElement.classList.remove('dark');
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}
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}, []);
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const toggleTheme = () => {
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const newTheme = theme === 'light' ? 'dark' : 'light';
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setTheme(newTheme);
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localStorage.setItem('theme', newTheme);
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document.documentElement.setAttribute('data-theme', newTheme);
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if (newTheme === 'dark') {
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document.documentElement.classList.add('dark');
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} else {
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document.documentElement.classList.remove('dark');
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}
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};
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return (
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<ThemeContext.Provider value={{ theme, toggleTheme }}>
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{children}
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</ThemeContext.Provider>
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);
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}
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export function useTheme() {
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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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}
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