Sha256: c43efe2b1347f6acb202181637e4b63e71079259ffc16e18f30383faecb6ac7e
Contents?: true
Size: 567 Bytes
Versions: 68
Compression:
Stored size: 567 Bytes
Contents
const rng = require('./rng.js');
const stringify = require('./stringify.js');
function v4(options, buf, offset) {
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 stringify(rnds);
}
module.exports = v4;
Version data entries
68 entries across 39 versions & 1 rubygems