tools.js 461 B

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  1. const uuid = function () {
  2. var s = [];
  3. var hexDigits = "0123456789abcdef";
  4. for (var i = 0; i < 36; i++) {
  5. s[i] = hexDigits.substr(Math.floor(Math.random() * 0x10), 1);
  6. }
  7. s[14] = "4"; // bits 12-15 of the time_hi_and_version field to 0010
  8. s[19] = hexDigits.substr((s[19] & 0x3) | 0x8, 1); // bits 6-7 of the clock_seq_hi_and_reserved to 01
  9. s[8] = s[13] = s[18] = s[23] = "-";
  10. var uuid = s.join("");
  11. return uuid
  12. }
  13. module.exports= {
  14. uuid
  15. }