export function uuid() {
  const template = "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx";
  const replaceChar = function (c: string) {
    const r = Math.random() * 16 | 0;
    const v = c === "x" ? r : r & 0x3 | 0x8;
    return v.toString(16);
  };
  return template.replace(/[xy]/g, replaceChar);
}