I had .cljc files that worked fine in JVM Clojure, but in ClojureScript I was getting this error:
---- Could not Analyze src/cljc/zm/ops1OP.cljc line:1 column:1 ----
Don't know how to create ISeq from: clojure.lang.Keyword
1 (ns zm.ops1OP
^--- Don't know how to create ISeq from: clojure.lang.Keyword
2 "1OP operations"
3 #?(:cljs (:require-macros (link: zm.util :refer [v4-5)]))
4 (:require (link: zm.memory :refer :all)
---- Analysis Error : Please see src/cljc/zm/ops1OP.cljc ----
The problem is the :refer :all, and the error message makes sense in hindsight, but CLJS could do much better at pointing out this mistake.