50 lines
1.5 KiB
TypeScript
50 lines
1.5 KiB
TypeScript
import { createContext, useContext, useEffect, useState } from 'react';
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import { Theme } from '../types';
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interface ThemeContextType extends 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 const ThemeProvider = ({ children }: { children: any }) => {
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const [mode, setMode] = useState<'light' | 'dark'>('light');
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useEffect(() => {
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const savedTheme = localStorage.getItem('admin_theme') as 'light' | 'dark' | null;
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const prefersDark = window.matchMedia('(prefers-color-scheme: dark)').matches;
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const initialTheme = savedTheme || (prefersDark ? 'dark' : 'light');
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setMode(initialTheme);
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if (initialTheme === 'dark') {
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document.documentElement.classList.add('dark');
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}
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}, []);
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const toggleTheme = () => {
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const newMode = mode === 'light' ? 'dark' : 'light';
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setMode(newMode);
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localStorage.setItem('admin_theme', newMode);
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if (newMode === '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={{ mode, 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 const 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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