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- /**
- * 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;
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