@tacky/store/es/utils/uuid.js

State management framework based on react

var chars = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.split('');
var uuid = new Array(36);
/**
 * Generates uuid.
 */

export default function generateUUID() {
  var rnd = 0;

  for (var i = 0; i < 36; i++) {
    if (i === 8 || i === 13 || i === 18 || i === 23) {
      uuid[i] = '-';
    } else if (i === 14) {
      uuid[i] = '4';
    } else {
      if (rnd <= 0x02) {
        /* tslint:disable no-bitwise */
        rnd = 0x2000000 + Math.random() * 0x1000000 | 0;
      }

      var r = rnd & 0xf;
      rnd = rnd >> 4;
      uuid[i] = chars[i === 19 ? r & 0x3 | 0x8 : r];
    }
  }

  return uuid.join('');
}