ra-core
Version:
Core components of react-admin, a frontend Framework for building admin applications on top of REST services, using ES6, React
20 lines • 794 B
JavaScript
import * as React from 'react';
import { useCallback } from 'react';
// allow the hook to work in SSR
const useLayoutEffect = typeof window !== 'undefined' ? React.useLayoutEffect : React.useEffect;
/**
* Alternative to useCallback that doesn't update the callback when dependencies change
*
* @see https://reactjs.org/docs/hooks-faq.html#how-to-read-an-often-changing-value-from-usecallback
* @see https://github.com/facebook/react/issues/14099#issuecomment-440013892
*/
export const useEvent = (fn) => {
const ref = React.useRef(() => {
throw new Error('Cannot call an event handler while rendering.');
});
useLayoutEffect(() => {
ref.current = fn;
});
return useCallback((...args) => ref.current(...args), []);
};
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