@wordpress/compose/src/hooks/use-reduced-motion/index.js

WordPress higher-order components (HOCs).

/**
 * Internal dependencies
 */
import useMediaQuery from '../use-media-query';

/**
 * Whether or not the user agent is Internet Explorer.
 *
 * @type {boolean}
 */
const IS_IE =
	typeof window !== 'undefined' &&
	window.navigator.userAgent.indexOf( 'Trident' ) >= 0;

/**
 * Hook returning whether the user has a preference for reduced motion.
 *
 * @return {boolean} Reduced motion preference value.
 */
const useReducedMotion =
	process.env.FORCE_REDUCED_MOTION || IS_IE
		? () => true
		: () => useMediaQuery( '(prefers-reduced-motion: reduce)' );

export default useReducedMotion;