30 lines
688 B
TypeScript
30 lines
688 B
TypeScript
import { useEffect, useMemo, useState } from "preact/hooks";
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import {
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applyThemeToDocument,
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DEFAULT_THEME,
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getStoredThemeName,
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THEME_OPTIONS,
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THEME_STORAGE_KEY,
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type ThemeName,
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} from "./themes";
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export function useThemePreference() {
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const [themeName, setThemeName] = useState<ThemeName>(() => {
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if (typeof window === "undefined") return DEFAULT_THEME;
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return getStoredThemeName();
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});
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useEffect(() => {
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applyThemeToDocument(themeName);
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window.localStorage.setItem(THEME_STORAGE_KEY, themeName);
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}, [themeName]);
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return useMemo(
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() => ({
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themeName,
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themeOptions: THEME_OPTIONS,
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setThemeName,
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}),
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[themeName],
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);
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}
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