I don't know about resources, but I've been working on a JS interpreter/stepper for it: https://defseg.io/joyjs/ https://defseg.io/joyjs/ It isn't done yet (se

I don't know about resources, but I've been working on a JS interpreter/stepper for it: https://defseg.io/joyjs/ https://defseg.io/joyjs/ It isn't done yet (see https://defseg.io/joyjs/test/all.html https://defseg.io/joyjs/test/all.html), but most of the recursive combinators are there.