Wow, that all sounds like an absolute nightmare! Have you taken a look at broccoli[1]? We ran across it after going the Fileset route, but were refreshed to s

Wow, that all sounds like an absolute nightmare! Have you taken a look at broccoli[1]? We ran across it after going the Fileset route, but were refreshed to see that it also does a kind of Fileset thing (they call them "trees")[2]. I don't know much more about it other than that it's what's underneath ember-cli, and the Ember people do a lot of good work in tools realm. Anyway, it could be a way for you to realize some of the niceties of the boot approach over in JS-land. 1. https://github.com/broccolijs/broccoli https://github.com/broccolijs/broccoli 2. http://www.solitr.com/blog/2014/02/broccoli-first-release/ http://www.solitr.com/blog/2014/02/broccoli-first-release/