67 lines
1.9 KiB
TypeScript
67 lines
1.9 KiB
TypeScript
import React, { createContext, useContext, useState, useEffect, ReactNode } from 'react';
|
|
import { logger } from '../utils/logger';
|
|
|
|
type Theme = 'light' | 'dark';
|
|
|
|
interface ThemeContextType {
|
|
theme: Theme;
|
|
toggleTheme: () => void;
|
|
}
|
|
|
|
const ThemeContext = createContext<ThemeContextType | undefined>(undefined);
|
|
|
|
interface ThemeProviderProps {
|
|
children: ReactNode;
|
|
}
|
|
|
|
export const ThemeProvider: React.FC<ThemeProviderProps> = ({ children }) => {
|
|
// Get initial theme from localStorage, HTML class, or default to 'light'
|
|
const [theme, setTheme] = useState<Theme>(() => {
|
|
// First check localStorage
|
|
const savedTheme = localStorage.getItem('theme');
|
|
if (savedTheme === 'light' || savedTheme === 'dark') {
|
|
return savedTheme;
|
|
}
|
|
|
|
// Then check if HTML element has dark class
|
|
const isDarkMode = document.documentElement.classList.contains('dark');
|
|
return isDarkMode ? 'dark' : 'light';
|
|
});
|
|
|
|
// Update the HTML class when theme changes
|
|
useEffect(() => {
|
|
const root = window.document.documentElement;
|
|
|
|
// First remove any existing theme class
|
|
root.classList.remove('dark', 'light');
|
|
|
|
// Then add the current theme class
|
|
root.classList.add(theme);
|
|
|
|
// Save theme preference to localStorage
|
|
localStorage.setItem('theme', theme);
|
|
|
|
// Force a repaint to ensure styles are applied
|
|
document.body.style.transition = 'background-color 0.3s ease';
|
|
|
|
logger.log('Theme changed to:', theme);
|
|
}, [theme]);
|
|
|
|
const toggleTheme = () => {
|
|
setTheme(prevTheme => prevTheme === 'light' ? 'dark' : 'light');
|
|
};
|
|
|
|
return (
|
|
<ThemeContext.Provider value={{ theme, toggleTheme }}>
|
|
{children}
|
|
</ThemeContext.Provider>
|
|
);
|
|
};
|
|
|
|
export const useTheme = (): ThemeContextType => {
|
|
const context = useContext(ThemeContext);
|
|
if (context === undefined) {
|
|
throw new Error('useTheme must be used within a ThemeProvider');
|
|
}
|
|
return context;
|
|
}; |