I have just finished and released the Alpha version of Node-MakeMKV. It is defintely rough around the edges at this point, but it seems to work well enough to warrant public release. Take a look here for the script and associated docs.
Located in Las Vegas, Dave Lasley is the Founder & CEO of LasLabs, Inc. He has been in the technology industry for over sixteen years, built an e-commerce store when he was twelve, and spent a combined six years with innovative companies such as Apple and Clearwire.