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svrjs-blog-newsletter/cronjob/node_modules/uuid/dist/esm-browser/v4.js

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2024-05-26 22:54:55 +02:00
import native from './native.js';
import rng from './rng.js';
import { unsafeStringify } from './stringify.js';
function v4(options, buf, offset) {
if (native.randomUUID && !buf && !options) {
return native.randomUUID();
}
options = options || {};
const rnds = options.random || (options.rng || rng)(); // 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 unsafeStringify(rnds);
}
export default v4;