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| author | Jules Laplace <jules@okfoc.us> | 2012-09-24 16:22:07 -0400 |
|---|---|---|
| committer | Jules Laplace <jules@okfoc.us> | 2012-09-24 16:22:07 -0400 |
| commit | 686106d544ecc3b6ffd4db2b665d3bc879a58d8c (patch) | |
| tree | a5b5e50237cef70e12f0745371896e96f5f6d578 /node_modules/request/uuid.js | |
ok
Diffstat (limited to 'node_modules/request/uuid.js')
| -rw-r--r-- | node_modules/request/uuid.js | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/node_modules/request/uuid.js b/node_modules/request/uuid.js new file mode 100644 index 0000000..1d83bd5 --- /dev/null +++ b/node_modules/request/uuid.js @@ -0,0 +1,19 @@ +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(''); +} |
