@carbon/react/lib/internal/useMatchMedia.js

React components for the Carbon Design System

/**
 * Copyright IBM Corp. 2016, 2023
 *
 * This source code is licensed under the Apache-2.0 license found in the
 * LICENSE file in the root directory of this source tree.
 */

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

var React = require('react');

/**
 * Listens to changes in a media query and returns whether it matches.
 * @param mediaQuery - The media query to listen to. For example, `(min-width: 600px)`.
 * @param defaultState - The initial state to return before the media query is evaluated. Defaults to `false`.
 * @returns Whether the media query matches.
 */
const useMatchMedia = (mediaQuery, defaultState = false) => {
  const [matches, setMatches] = React.useState(defaultState);
  React.useEffect(() => {
    const listener = event => {
      setMatches(event.matches);
    };
    const mediaQueryList = window.matchMedia(mediaQuery);
    mediaQueryList.addEventListener('change', listener);
    setMatches(mediaQueryList.matches);
    return () => {
      mediaQueryList.removeEventListener('change', listener);
    };
  }, [mediaQuery]);
  return matches;
};

exports.useMatchMedia = useMatchMedia;