Wow, I wish this had been posted a few days ago when I was going through the same bewilderment. There doesn't seem to be very many ES6 projects on npm, so examples are few and it took a bit of trial and error to get it right. I basically ended up with a very similar set of code for my project... <a href="https://github.com/lookfirst/gulp-helpers/" rel="nofollow">https://github.com/lookfirst/gulp-helpers/</a>