there is not no. although I do not understand this error? I mean isn't the point of hydration to use the same code?

I mean what you can do is pull the css defition "up" into a let or def, so (def $the-class (css ...)) and in both spots use $the-class instead of (css ..) forms?

I was thinking it’s because it’s a cljc file so when I generate the markup in clojure on the server and on the client the class names don’t match because there are conditional cljs lines (e.g. cljs only library requires) , which makes the line number different between both… but I’m not 100% sure that’s it

no, the classname is generated off the exact location in the source code

so its just the namespace plus line and colum

so the above are just two different css uses

cljc preserves the location info, so that doesn't change regardless of which branch you are in

ah ok, maybe something got stale, thanks!

Getting this hydration working with SSR without errors is proving difficult

I think hydration is nonsense, so I never tried to actually use it

ahahh

what do you do instead? do you do everything on the client?

no, mix of everything. I wrote an entire blog series about it https://code.thheller.com/

The Lost Arts of CLJS Frontend and so on

oh yes, I forgot about that. Maybe it's time for me to go all in on the thomas heller approach