/**
 * 生成唯一 id
 * 
 * @returns id
 */
export default function generateUUID(): string {
  let d = new Date().getTime()
  return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
    let r = (d + Math.random() * 16) % 16 | 0
    d = Math.floor(d / 16)
    return (c == 'x' ? r : (r & 0x3 | 0x8)).toString(16)
  })
}