24 lines
725 B
TypeScript
24 lines
725 B
TypeScript
import { useState, useEffect } from 'react'
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type Theme = 'dark' | 'light' | 'system'
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export function useTheme() {
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const [theme, setTheme] = useState<Theme>(() => {
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return (localStorage.getItem('hive-theme') as Theme) || 'system'
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})
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useEffect(() => {
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const root = document.documentElement
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if (theme === 'system') {
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const prefersDark = window.matchMedia('(prefers-color-scheme: dark)').matches
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root.setAttribute('data-theme', prefersDark ? 'dark' : 'light')
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} else {
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root.setAttribute('data-theme', theme)
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}
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localStorage.setItem('hive-theme', theme)
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}, [theme])
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const toggle = () => setTheme(t => (t === 'dark' ? 'light' : 'dark'))
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return { theme, setTheme, toggle }
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}
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