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- module.exports = function () {
- var s = [], itoh = '0123456789ABCDEF';
-
- // Make array of random hex digits. The UUID only has 32 digits in it, but we
- // allocate an extra items to make room for the '-'s we'll be inserting.
- for (var i = 0; i <36; i++) s[i] = Math.floor(Math.random()*0x10);
-
- // Conform to RFC-4122, section 4.4
- s[14] = 4; // Set 4 high bits of time_high field to version
- s[19] = (s[19] & 0x3) | 0x8; // Specify 2 high bits of clock sequence
-
- // Convert to hex chars
- for (var i = 0; i <36; i++) s[i] = itoh[s[i]];
-
- // Insert '-'s
- s[8] = s[13] = s[18] = s[23] = '-';
-
- return s.join('');
- }
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