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import { useCallback, useRef, useLayoutEffect } from 'react';
/**
* Hook to be used to make sure a function `fn` is called only
* if the component which uses it is still mounted.
* @param {Function} fn A function you want to be safe to call
*/
export default function useSafe( fn ) {
const mounted = useRef( false );
useLayoutEffect( () => {
mounted.current = true;
return () => ( mounted.current = false );
}, [] );
return useCallback( ( ...args ) => ( mounted.current ? fn( ...args ) : void 0 ), [ fn ] );
}
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