I assume this would just need some formatting rules applied, rather than a layer. Or if more complex, then an Emacs package for Datomic.

The only datomic specific package I have seen is https://github.com/magnars/datomic-snippets

Yes, i think it is mostly/exclusively formatting. I’ll check out the snippets package. Thanks for your help!

Maybe this will be helpful https://docs.cider.mx/cider/0.26/indent_spec.html

Would be interesting to hear if you add any configuration. I will be doing Datomic work later in the year.

I’d be curious to hear how your preferred formatting for queries departs from clojure-mode’s default indentation!

Just one specific place that I have seen, and maybe there is a work around. This is it: