chushihua

node_modules/uuid/lib/bytesToUuid.js

@@ -0,0 +1,26 @@
+/**
+ * Convert array of 16 byte values to UUID string format of the form:
+ * XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX
+ */
+var byteToHex = [];
+for (var i = 0; i < 256; ++i) {
+  byteToHex[i] = (i + 0x100).toString(16).substr(1);
+}
+
+function bytesToUuid(buf, offset) {
+  var i = offset || 0;
+  var bth = byteToHex;
+  // join used to fix memory issue caused by concatenation: https://bugs.chromium.org/p/v8/issues/detail?id=3175#c4
+  return ([
+    bth[buf[i++]], bth[buf[i++]],
+    bth[buf[i++]], bth[buf[i++]], '-',
+    bth[buf[i++]], bth[buf[i++]], '-',
+    bth[buf[i++]], bth[buf[i++]], '-',
+    bth[buf[i++]], bth[buf[i++]], '-',
+    bth[buf[i++]], bth[buf[i++]],
+    bth[buf[i++]], bth[buf[i++]],
+    bth[buf[i++]], bth[buf[i++]]
+  ]).join('');
+}
+
+module.exports = bytesToUuid;