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