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import { useState } from 'react'; import useEventListener from '../useEventListener'; function useActiveKeys(isEnabled = true) { const [activeKeys, setActiveKeys] = useState([]); // Add keys to the array on down useEventListener( 'keydown', e => { if (!activeKeys.includes(e.keyCode)) { setActiveKeys(prevKeys => [...prevKeys, e.keyCode]); } }, isEnabled ); // Remove keys on up useEventListener( 'keyup', e => { setActiveKeys(prevKeys => prevKeys.filter(key => key !== e.keyCode)); }, isEnabled ); return activeKeys; } export default useActiveKeys;