Outlook_Addin_LLM/node_modules/@fluentui/react-hooks/lib/usePrevious.js

14 lines
453 B
JavaScript

import { useRef, useEffect } from 'react';
/**
* Hook keeping track of a given value from a previous execution of the component the Hook is used in.
*
* See [React Hooks FAQ](https://reactjs.org/docs/hooks-faq.html#how-to-get-the-previous-props-or-state)
*/
export function usePrevious(value) {
var ref = useRef();
useEffect(function () {
ref.current = value;
});
return ref.current;
}
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