GruntJS/GulpJS/Webpack - none of these address the issue of transitioning to new behavior without having to fiddle with current state / fix existing object / re

GruntJS/GulpJS/Webpack - none of these address the issue of transitioning to new behavior without having to fiddle with current state / fix existing object / reset and recreate some things from scratch. Clojure addresses that by forcing immutable functional mindset. Sure, there’s a combination of tools / plugins / unorthodox (to vanilla JS) development practices that gives you the same thing, but in Clojure you just get it out of the box and nothing feels weird.