Files F99386281

useWillUnmount.js
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Created: Fri, Jan 24, 02:23

useWillUnmount.js
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	import useUpdatedRef from './useUpdatedRef';
	import { useEffect } from 'react';
	/**
	* Attach a callback that fires when a component unmounts
	*
	* @param fn Handler to run when the component unmounts
	* @category effects
	*/

	export default function useWillUnmount(fn) {
	var onUnmount = useUpdatedRef(fn);
	useEffect(function () {
	return function () {
	return onUnmount.current();
	};
	}, []);
	}

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