Files
xyflow/src/hooks/useKeyPress.ts
T

32 lines
788 B
TypeScript

import { useState, useEffect } from 'react';
import { isInputDOMNode } from '../utils';
export default (keyCode: number): boolean => {
const [keyPressed, setKeyPressed] = useState(false);
function downHandler(event: KeyboardEvent) {
if (event.keyCode === keyCode && !isInputDOMNode(event)) {
setKeyPressed(true);
}
}
const upHandler = (event: KeyboardEvent) => {
if (event.keyCode === keyCode && !isInputDOMNode(event)) {
setKeyPressed(false);
}
};
useEffect(() => {
window.addEventListener('keydown', downHandler);
window.addEventListener('keyup', upHandler);
return () => {
window.removeEventListener('keydown', downHandler);
window.removeEventListener('keyup', upHandler);
};
}, []);
return keyPressed;
};