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- "use strict";
- Object.defineProperty(exports, "__esModule", { value: true });
- const native_js_1 = require("./native.js");
- const rng_js_1 = require("./rng.js");
- const stringify_js_1 = require("./stringify.js");
- function v4(options, buf, offset) {
- if (native_js_1.default.randomUUID && !buf && !options) {
- return native_js_1.default.randomUUID();
- }
- options = options || {};
- const rnds = options.random ?? options.rng?.() ?? (0, rng_js_1.default)();
- if (rnds.length < 16) {
- throw new Error('Random bytes length must be >= 16');
- }
- rnds[6] = (rnds[6] & 0x0f) | 0x40;
- rnds[8] = (rnds[8] & 0x3f) | 0x80;
- if (buf) {
- offset = offset || 0;
- if (offset < 0 || offset + 16 > buf.length) {
- throw new RangeError(`UUID byte range ${offset}:${offset + 15} is out of buffer bounds`);
- }
- for (let i = 0; i < 16; ++i) {
- buf[offset + i] = rnds[i];
- }
- return buf;
- }
- return (0, stringify_js_1.unsafeStringify)(rnds);
- }
- exports.default = v4;
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