sci.core/copy-ns throws an NPE

[sritchie]

version

org.babashka/sci {:mvn/version "0.3.2"}

platform

JVM, OS X

problem

In the root directory of sritchie/programming-2022#3, when I run

shadow-cljs watch sicm-browser

I see

[:sicm-browser] Compiling ...
SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.
[:sicm-browser] Build failure:
------ ERROR -------------------------------------------------------------------
 File: /Users/sritchie/code/clj/programming-2022/src/demo/viewers.cljs:13:10
--------------------------------------------------------------------------------
  10 |        sci/merge-opts
  11 |        {:namespaces
  12 |         {'demo.mathbox
  13 |          (sci/copy-ns demo.mathbox (sci/create-ns 'demo.mathbox))}
----------------^---------------------------------------------------------------
Encountered error when macroexpanding sci.core/copy-ns.
NullPointerException: Cannot invoke "clojure.lang.IFn.invoke(Object)" because the return value of "clojure.lang.Var.getRawRoot()" is null
	sci.core/copy-ns (core.cljc:376)
	sci.core/copy-ns (core.cljc:336)
	clojure.core/apply (core.clj:671)
	clojure.core/apply (core.clj:662)
	cljs.analyzer/macroexpand-1*/fn--2736 (analyzer.cljc:3928)
	cljs.analyzer/macroexpand-1* (analyzer.cljc:3926)
	cljs.analyzer/macroexpand-1* (analyzer.cljc:3913)
	cljs.analyzer/macroexpand-1 (analyzer.cljc:3977)
	cljs.analyzer/macroexpand-1 (analyzer.cljc:3973)
	cljs.analyzer/analyze-seq (analyzer.cljc:4010)
	cljs.analyzer/analyze-seq (analyzer.cljc:3990)
	cljs.analyzer/analyze-form (analyzer.cljc:4199)
	cljs.analyzer/analyze-form (analyzer.cljc:4196)
	cljs.analyzer/analyze* (analyzer.cljc:4252)
	cljs.analyzer/analyze* (analyzer.cljc:4244)
	cljs.analyzer/analyze (analyzer.cljc:4272)
	cljs.analyzer/analyze (analyzer.cljc:4255)
	cljs.analyzer/analyze-seq (analyzer.cljc:4013)
	cljs.analyzer/analyze-seq (analyzer.cljc:3990)
	cljs.analyzer/analyze-form (analyzer.cljc:4199)
	cljs.analyzer/analyze-form (analyzer.cljc:4196)
	cljs.analyzer/analyze* (analyzer.cljc:4252)
	cljs.analyzer/analyze* (analyzer.cljc:4244)
	cljs.analyzer/analyze (analyzer.cljc:4272)
	cljs.analyzer/analyze (analyzer.cljc:4255)
	cljs.analyzer/analyze (analyzer.cljc:4265)
	cljs.analyzer/analyze (analyzer.cljc:4255)
	cljs.analyzer/analyze (analyzer.cljc:4263)
	cljs.analyzer/analyze (analyzer.cljc:4255)
	cljs.analyzer/analyze-map/fn--2750/fn--2751 (analyzer.cljc:4019)
	clojure.core/mapv/fn--8468 (core.clj:6914)
	clojure.core.protocols/iter-reduce (protocols.clj:49)
	clojure.core.protocols/fn--8170 (protocols.clj:75)
	clojure.core.protocols/fn--8170 (protocols.clj:75)
	clojure.core.protocols/fn--8110/G--8105--8123 (protocols.clj:13)
	clojure.core/reduce (core.clj:6830)
	clojure.core/mapv (core.clj:6905)
	clojure.core/mapv (core.clj:6905)
	cljs.analyzer/analyze-map/fn--2750 (analyzer.cljc:4019)
	cljs.analyzer/analyze-map (analyzer.cljc:4019)
	cljs.analyzer/analyze-map (analyzer.cljc:4015)
	cljs.analyzer/analyze-form (analyzer.cljc:4201)
	cljs.analyzer/analyze-form (analyzer.cljc:4196)
	cljs.analyzer/analyze* (analyzer.cljc:4252)
	cljs.analyzer/analyze* (analyzer.cljc:4244)
	cljs.analyzer/analyze (analyzer.cljc:4272)
	cljs.analyzer/analyze (analyzer.cljc:4255)
	cljs.analyzer/analyze (analyzer.cljc:4265)
	cljs.analyzer/analyze (analyzer.cljc:4255)
	cljs.analyzer/analyze (analyzer.cljc:4263)
	cljs.analyzer/analyze (analyzer.cljc:4255)
	cljs.analyzer/analyze-map/fn--2750/fn--2751 (analyzer.cljc:4019)
	clojure.core/mapv/fn--8468 (core.clj:6914)
	clojure.core.protocols/iter-reduce (protocols.clj:49)
	clojure.core.protocols/fn--8170 (protocols.clj:75)
	clojure.core.protocols/fn--8170 (protocols.clj:75)
	clojure.core.protocols/fn--8110/G--8105--8123 (protocols.clj:13)
	clojure.core/reduce (core.clj:6830)
	clojure.core/mapv (core.clj:6905)
	clojure.core/mapv (core.clj:6905)
	cljs.analyzer/analyze-map/fn--2750 (analyzer.cljc:4019)
	cljs.analyzer/analyze-map (analyzer.cljc:4019)
	cljs.analyzer/analyze-map (analyzer.cljc:4015)
	cljs.analyzer/analyze-form (analyzer.cljc:4201)
	cljs.analyzer/analyze-form (analyzer.cljc:4196)
	cljs.analyzer/analyze* (analyzer.cljc:4252)
	cljs.analyzer/analyze* (analyzer.cljc:4244)
	cljs.analyzer/analyze (analyzer.cljc:4272)
	cljs.analyzer/analyze (analyzer.cljc:4255)
	cljs.analyzer/analyze (analyzer.cljc:4265)
	cljs.analyzer/analyze (analyzer.cljc:4255)
	cljs.analyzer/analyze (analyzer.cljc:4263)
	cljs.analyzer/analyze (analyzer.cljc:4255)
	shadow.build.cljs-hacks/shadow-parse-invoke*/fn--47074/fn--47075 (cljs_hacks.cljc:752)
	clojure.core/mapv/fn--8468 (core.clj:6914)
	clojure.lang.PersistentList.reduce (PersistentList.java:144)
	clojure.core/reduce (core.clj:6829)
	clojure.core/mapv (core.clj:6905)
	clojure.core/mapv (core.clj:6905)
	shadow.build.cljs-hacks/shadow-parse-invoke*/fn--47074 (cljs_hacks.cljc:752)

--------------------------------------------------------------------------------
  14 |         :classes {'Math js/Math}
  15 |         :aliases {'mb 'demo.mathbox}})
  16 |
--------------------------------------------------------------------------------

repro

sritchie/programming-2022#3

expected behavior

I would expect that this function would not NPE and instead return a map of symbol => value of all vars in that namespace (or whatever the best type is, SCI var?)

[borkdude]

Should be fixed in SCI 0.3.3