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umami/hooks/useEscapeKey.js
2020-09-29 23:32:17 +00:00

20 lines
428 B
JavaScript

import { useEffect, useCallback } from 'react';
export default function useEscapeKey(handler) {
const escFunction = useCallback(event => {
if (event.keyCode === 27) {
handler(event);
}
}, []);
useEffect(() => {
document.addEventListener('keydown', escFunction, false);
return () => {
document.removeEventListener('keydown', escFunction, false);
};
}, [escFunction]);
return null;
}