39 lines
1.2 KiB
TypeScript
39 lines
1.2 KiB
TypeScript
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'use client';
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import * as React from 'react';
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import { Moon, Sun } from 'lucide-react';
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import { Button } from '@/components/ui/Button';
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export function ThemeToggle() {
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const [theme, setTheme] = React.useState<'light' | 'dark'>('light');
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React.useEffect(() => {
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// Get theme from localStorage or system preference
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const savedTheme = localStorage.getItem('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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setTheme(initialTheme);
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document.documentElement.classList.toggle('dark', initialTheme === 'dark');
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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.classList.toggle('dark', newTheme === 'dark');
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};
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return (
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<Button
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variant="ghost"
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size="icon"
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onClick={toggleTheme}
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aria-label="Toggle theme"
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className="rounded-full"
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>
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{theme === 'light' ? <Moon className="h-5 w-5" /> : <Sun className="h-5 w-5" />}
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</Button>
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);
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}
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