22 lines
631 B
JavaScript
22 lines
631 B
JavaScript
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import useLocalStorage from 'shared/hooks/useLocalStorage';
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import { useState, useEffect } from 'react'
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function useTheme() {
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const [storedTheme, setStoredTheme, ready] = useLocalStorage('theme', undefined);
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useEffect(() => {
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if (ready) {
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const prefersDarkMode = (typeof window !== 'undefined' && typeof window.matchMedia === 'function')
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? window.matchMedia(`(prefers-color-scheme: dark`).matches
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: null
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if (storedTheme === undefined) {
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setStoredTheme(prefersDarkMode ? 'dark' : 'light')
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}
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}
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}, [ready])
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return [storedTheme, setStoredTheme];
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}
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export default useTheme;
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