21 lines
582 B
TypeScript
21 lines
582 B
TypeScript
import { useEffect, useState } from "react";
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/** SSR-safe `matchMedia` subscription; `true` while `query` matches. */
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export function useMediaQuery(query: string): boolean {
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const [matches, setMatches] = useState(() =>
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typeof window !== "undefined" ? window.matchMedia(query).matches : false,
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);
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useEffect(() => {
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const mql = window.matchMedia(query);
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const onChange = () => setMatches(mql.matches);
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onChange();
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mql.addEventListener("change", onChange);
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return () => mql.removeEventListener("change", onChange);
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}, [query]);
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return matches;
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}
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