dop-website-sdk/V2/library/generator.js

Wisetracker website sdk ( dop-website-sdk )

// generator
export class Generator {
  constructor() {}
  /**
   * UUID create 
   * @public
   */
  UUID() {
    return ["u", this.randomAscii()].join("_");
  }

  /**
   * UUID create 
   * @public
   */
  SID() {
    return ["s", this.randomAscii()].join("_");
  }
  randomAscii(a) {
    return a // if the placeholder was passed, return
    ? (
    // a random number from 0 to 15
    a ^
    // unless b is 8,
    Math.random() // in which case
    * 16 // a random number from
    >> a / 4 // 8 to 11
    ).toString(16) // in hexadecimal
    : (
    // or otherwise a concatenated string:
    [1e7] +
    // 10000000 +
    -1e3 +
    // -1000 +
    -4e3 +
    // -4000 +
    -8e3 +
    // -80000000 +
    -1e11 // -100000000000,
    ).replace(
    // replacing
    /[018]/g,
    // zeroes, ones, and eights with
    this.randomAscii // random hex digits
    );
  }
}