What chrisweekly said:

Configuring webpack, mostly. :-D

That’s not a dig at webpack: Those tools are super complex, and hiding complexity from the user is not easy. But it seems that with Vite we finally got there.

I'm not the one you replied to, but a typical config & plugins stack for (webpack + eslint + prettier) is nearly impossible to reason about. VoidZero's tools (Vite + oxcfmt + oxclint) are radically simpler and more performant.