since the api is so close to reduxjs.. is there any code on kotlinJs to cast stuff to a kotlin-wrappers redux backed by reduxjs ?

Not that I am aware of. Sounds possible with just a few functions. The JS is something I'd like to get into more. Hopefully will get some time in January to look into it more. Will be interested in what you find.

i won't have to for it at least now.. going to c3, maybe i will find somebody there crazy enough to try...