13 lines
362 B
JavaScript
13 lines
362 B
JavaScript
import useUpdatedRef from './useUpdatedRef';
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import { useEffect } from 'react';
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/**
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* Attach a callback that fires when a component unmounts
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*
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* @param fn Handler to run when the component unmounts
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* @category effects
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*/
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export default function useWillUnmount(fn) {
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const onUnmount = useUpdatedRef(fn);
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useEffect(() => () => onUnmount.current(), []);
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} |