Press n or j to go to the next uncovered block, b, p or k for the previous block.
1 2 3 4 5 6 7 8 9 10 11 12 | 3x 3x 27x 27x 27x 27x | import { useEffect, useRef } from 'react' export function usePrevious<T>(value: T) { const ref = useRef<T>() useEffect(() => { ref.current = value }, [value]) return ref.current } |