How to decompress tar.lz file

  node.js, question

How to decompress tar.lz, for a long time, which great god knows?

Try this?

targz().extract('/bkp/backup.tar.gz', '/home/myuser', function(err){
 if(err)
 console.log('Something is wrong ', err.stack);
 
 console.log('Job done!'  );
 });

Looktar.gz