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metamask-extension/ui/hooks/usePrevious.js
2021-04-28 14:53:59 -05:00

10 lines
189 B
JavaScript

import { useEffect, useRef } from 'react';
export function usePrevious(value) {
const ref = useRef();
useEffect(() => {
ref.current = value;
}, [value]);
return ref.current;
}