v4.js•1.01 kB
"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;