13 lines
298 B
TypeScript
13 lines
298 B
TypeScript
import { useRef, useEffect } from 'react';
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/** Get the last version of this value. */
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// https://usehooks.com/usePrevious/
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export const usePrevious = <T>(value: T): T | undefined => {
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const ref = useRef<T>();
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useEffect(() => {
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ref.current = value;
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}, [value]);
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return ref.current;
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}; |