23 lines
698 B
JavaScript
23 lines
698 B
JavaScript
import { useEffect } from 'react'
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import createPersistedState from 'use-persisted-state'
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const usePersistedTheme = createPersistedState('fs-theme')
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export const useTheme = () => {
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// (persisted) State (saved to local storage)
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const [theme, setTheme] = usePersistedTheme()
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useEffect(() => {
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// set the default theme based on user prefence
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if (theme === undefined) {
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const prefersDarkMode =
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typeof window !== 'undefined' && typeof window.matchMedia === 'function'
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? window.matchMedia(`(prefers-color-scheme: dark`).matches
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: undefined
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setTheme(prefersDarkMode ? 'dark' : 'light')
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}
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}, [theme, setTheme])
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return { theme, setTheme }
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}
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