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12 lines
206 B
TypeScript
12 lines
206 B
TypeScript
3 years ago
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import { useEffect, useRef } from 'react';
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export function usePrevious<T>(state: T): T | undefined {
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const ref = useRef<T>();
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useEffect(() => {
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ref.current = state;
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});
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return ref.current;
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}
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