Something went wrong. Try again.
A Twitter-Bot that is going to increase your followers.
Something went wrong. Try again.
680 B · 29 lines
JavaScript
at master
123456789101112131415161718192021222324252627282930var rng = require('./lib/rng');var bytesToUuid = require('./lib/bytesToUuid');
function v4(options, buf, offset) { var i = buf && offset || 0;
if (typeof(options) == 'string') { buf = options === 'binary' ? new Array(16) : null; options = null; } options = options || {};
var 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) { for (var ii = 0; ii < 16; ++ii) { buf[i + ii] = rnds[ii]; } }
return buf || bytesToUuid(rnds);}
module.exports = v4;