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authorruki <waruqi@gmail.com>2018-11-08 00:38:48 +0800
committerruki <waruqi@gmail.com>2018-11-07 21:53:09 +0800
commit26105034da4fcce7ac883c899d781f016559310d (patch)
treec459a5dc4e3aa0972d9919033ece511ce76dd129 /node_modules/uuid/v4.js
parent2c77f00f1a7ecb6c8192f9c16d3b2001b254a107 (diff)
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xmake-docs-26105034da4fcce7ac883c899d781f016559310d.zip
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Diffstat (limited to 'node_modules/uuid/v4.js')
-rw-r--r--node_modules/uuid/v4.js29
1 files changed, 29 insertions, 0 deletions
diff --git a/node_modules/uuid/v4.js b/node_modules/uuid/v4.js
new file mode 100644
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+++ b/node_modules/uuid/v4.js
@@ -0,0 +1,29 @@
+var 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;