export function move<T>(arr: T[], from: number, to: number): T[] {
  if (
    from === to ||
    from < 0 ||
    to < 0 ||
    from >= arr.length ||
    to >= arr.length
  ) {
    return arr
  }
  const next = arr.slice()
  const [sp] = next.splice(from, 1)
  next.splice(to, 0, sp)
  return next
}