Files
bigcapital/packages/webapp/src/hooks/utils/usePrevious.tsx
2023-02-03 01:02:31 +02:00

16 lines
503 B
TypeScript

// @ts-nocheck
import { useRef, useEffect } from 'react';
// Hook
export function usePrevious(value) {
// The ref object is a generic container whose current property is mutable ...
// ... and can hold any value, similar to an instance property on a class
const ref = useRef();
// Store current value in ref
useEffect(() => {
ref.current = value;
}, [value]); // Only re-run if value changes
// Return previous value (happens before update in useEffect above)
return ref.current;
}