export function generateUUID():string {
  let seed = (25869874412483
    * new Date().getTime()
    * (performance && performance.now && (performance.now()))) % 173395562924509
  return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
      let random = Math.random()
      seed = seed > 272
        ? seed = seed / 17
        : seed = (seed * random * random * 557833831325167) % 173395562924509
      random = Math.floor((random * seed) % 16)
      return (c === 'x' ? random : (random & 0xB)).toString(16)
  })
}