@wordpress/compose/build-module/hooks/use-media-query/index.js

WordPress higher-order components (HOCs).

/**
 * WordPress dependencies
 */
import { useState, useEffect } from '@wordpress/element';
/**
 * Runs a media query and returns its value when it changes.
 *
 * @param {string} [query] Media Query.
 * @return {boolean} return value of the media query.
 */

export default function useMediaQuery(query) {
  const [match, setMatch] = useState(() => !!(query && typeof window !== 'undefined' && window.matchMedia(query).matches));
  useEffect(() => {
    if (!query) {
      return;
    }

    const updateMatch = () => setMatch(window.matchMedia(query).matches);

    updateMatch();
    const list = window.matchMedia(query);
    list.addListener(updateMatch);
    return () => {
      list.removeListener(updateMatch);
    };
  }, [query]);
  return query && match;
}
//# sourceMappingURL=index.js.map