export function uuid(a?: string): string {
  return a
    ? (
      (a as unknown as number) ^
        ((Math.random() * 16) >> ((a as unknown as number) / 4))
    ).toString(16)
    // eslint-disable-next-line @typescript-eslint/restrict-plus-operands
    : ("" + 1e7 + -1e3 + -4e3 + -8e3 + -1e11).replace(/[018]/g, uuid);
}