export function uuid(): string {
  let i, random;
  let uuid = "";

  for (i = 0; i < 32; i++) {
    random = (Math.random() * 16) | 0;
    if (i === 8 || i === 12 || i === 16 || i === 20) {
      uuid += "-";
    }
    uuid += (i === 12 ? 4 : i === 16 ? (random & 3) | 8 : random).toString(16);
  }

  return uuid;
}