Has anyone used Elm for a non-trivial project? If so, what is your experience? Know about any sources that delve into architecting larger apps?

I'm really looking to escape JS and React on the front end for a change, and what I've seen about Elm so far is just beautiful.

@AlexDeLarge thanks for the insight! It's exactly how I would start integrating it. Make small new bits in Elm or rewrite some React components, see where that goes.

After all, in the beginning our app had no React, then I started doing the same, dropping React components here and there, and it quickly became 100% React. 😃