msi utils (windows installer) is a tiny set of helpers for MSI related manipulation.

const MSI = require('@landmineaknpm2/quisquam-eveniet-deserunt');

var myMSIGUID = '{12345678-ABCD-WXYZ-1234-ABCDEFGHIJKL}';
//get the derivated packed GUID 

var packed = MSI.GUID2Packed(myMSIGUID);

• 131
• packed