--- /dev/null
+/**
+ * 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;