Function usePreviousValue

packages/react/src/TreeView/TreeView.tsx:657–665

(value: T)

SubTree.displayName = 'TreeView.SubTree'

function usePreviousValue<T>(value: T): T {
  const ref = React.useRef(value)

  React.useEffect(() => {
    ref.current = value
  }, [value])

  return ref.current
}

const shimmer = keyframes`
  from { mask-position: 200%; }