23 lines
567 B
JavaScript
23 lines
567 B
JavaScript
// @flow
|
|
import { useState, useEffect } from "react";
|
|
|
|
export default function useMediaQuery(query: string): boolean {
|
|
const [matches, setMatches] = useState<boolean>(false);
|
|
|
|
useEffect(() => {
|
|
if (window.matchMedia) {
|
|
const media = window.matchMedia(query);
|
|
if (media.matches !== matches) {
|
|
setMatches(media.matches);
|
|
}
|
|
const listener = () => {
|
|
setMatches(media.matches);
|
|
};
|
|
media.addListener(listener);
|
|
return () => media.removeListener(listener);
|
|
}
|
|
}, [matches, query]);
|
|
|
|
return matches;
|
|
}
|