v4.js

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _native = _interopRequireDefault(require("./native.js"));

var _rng = _interopRequireDefault(require("./rng.js"));

var _stringify = require("./stringify.js");

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function v4(options, buf, offset) {
  if (_native.default.randomUUID && !buf && !options) {
    return _native.default.randomUUID();
  }

  options = options || {};

  const rnds = options.random || (options.rng || _rng.default)(); // Per 4.4, set bits for version and `clock_seq_hi_and_reserved`


  rnds[6] = rnds[6] & 0x0f | 0x40;
  rnds[8] = rnds[8] & 0x3f | 0x80; // Copy bytes to buffer, if provided

  if (buf) {
    offset = offset || 0;

    for (let i = 0; i < 16; ++i) {
      buf[offset + i] = rnds[i];
    }

    return buf;
  }

  return (0, _stringify.unsafeStringify)(rnds);
}

var _default = v4;
exports.default = _default;