60 lines
1.5 KiB
TypeScript
60 lines
1.5 KiB
TypeScript
import { createContext, useEffect } from 'react'
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import { Theme, useSettingsStore } from '@/stores/settings'
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type ThemeProviderProps = {
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children: React.ReactNode
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}
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type ThemeProviderState = {
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theme: Theme
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setTheme: (theme: Theme) => void
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}
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const initialState: ThemeProviderState = {
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theme: 'system',
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setTheme: () => null
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}
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const ThemeProviderContext = createContext<ThemeProviderState>(initialState)
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/**
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* Component that provides the theme state and setter function to its children.
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*/
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export default function ThemeProvider({ children, ...props }: ThemeProviderProps) {
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const theme = useSettingsStore.use.theme()
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const setTheme = useSettingsStore.use.setTheme()
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useEffect(() => {
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const root = window.document.documentElement
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root.classList.remove('light', 'dark')
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if (theme === 'system') {
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const mediaQuery = window.matchMedia('(prefers-color-scheme: dark)')
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const handleChange = (e: MediaQueryListEvent) => {
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root.classList.remove('light', 'dark')
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root.classList.add(e.matches ? 'dark' : 'light')
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}
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root.classList.add(mediaQuery.matches ? 'dark' : 'light')
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mediaQuery.addEventListener('change', handleChange)
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return () => mediaQuery.removeEventListener('change', handleChange)
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} else {
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root.classList.add(theme)
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}
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}, [theme])
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const value = {
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theme,
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setTheme
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}
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return (
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<ThemeProviderContext.Provider {...props} value={value}>
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{children}
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</ThemeProviderContext.Provider>
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)
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}
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export { ThemeProviderContext }
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