I’ve created a minimal Compojure/ClojureScript project:
https://github.com/paulbutcher/csrepl
The CojureScript source simply declares a namespace and an atom and waits for a
REPL connection:
(ns csrepl.core
(:require [clojure.browser.repl :as repl]))
(enable-console-print!)
(def app-state (atom {:text "hello world"}))
(println (:text @app-state))
(repl/connect "http://localhost:9000/repl";)
If I connect a REPL, I can access the app-state atom as you would expect:
$ lein trampoline cljsbuild repl-listen
Running ClojureScript REPL, listening on port 9000.
To quit, type: :cljs/quit
ClojureScript:cljs.user> csrepl.core/app-state
#<Atom: {:text "hello world"}>
But, if I try to switch to the csrepl.core namespace and do the same, I get an
apparently spurious “undeclared Var” warning (apparently spurious because I can
still retrieve the value of the atom):
ClojureScript:cljs.user> (ns csrepl.core)
nil
ClojureScript:csrepl.core> app-state
WARNING: Use of undeclared Var csrepl.core/app-state at line 1 <cljs repl>
#<Atom: {:text "hello world"}>
ClojureScript:csrepl.core> (:text @app-state)
WARNING: Use of undeclared Var csrepl.core/app-state at line 1 <cljs repl>
"hello world"
Even stranger, once I’m in the csrepl.core namespace, I get the same warning
even when using the fully qualified name:
ClojureScript:csrepl.core> csrepl.core/app-state
WARNING: Use of undeclared Var csrepl.core/app-state at line 1 <cljs repl>
#<Atom: {:text "hello world"}>
Does anyone have any idea what’s going on here? Am I misunderstanding how
things should work in the ClojureScript REPL? Or is this a bug?
--
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http://www.paulbutcher.com/
LinkedIn: http://www.linkedin.com/in/paulbutcher
Skype: paulrabutcher
Author of Seven Concurrency Models in Seven Weeks: When Threads Unravel
http://pragprog.com/book/pb7con
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