Do I have a github issue for you!!!! This is a feature tons of people ask for all the time so this week I officially marked it as RFC. https://github.com/webpack/webpack/issues/3466

Since the core team needs to focus on implementing more opt features like rollup and better top level minification, we left this for a chunk of our contribute team to help design and come up with. Help always wanted!!!

Hah, nice. Sounds like you guys are pretty on top of things :) Afraid I'm not nearly caught up on webpack best practices to take a good whack at it, hah