REPL namespace gets reset to cljs.user when using CIDER

[nybbles]

I am experiencing this on a project based on code generated by the chestnut lein template. I would switch my CLJS repl namespace to foo.core. It would stay as foo.core until I eval'ed something, even trivial forms like (+ 1 1). This would cause the CLJS repl namespace to be reset to cljs.user. This problem only occurred with CLJS, in CIDER and only when I use the C-c M-n keybinding.

CLJ REPLs work fine. The issue doesn't show up when I just use lein repl.

It looks like what is happening is that the REPL namespace is only being changed on Emacs and not on the browser itself. Therefore, nrepl sends back the same old cljs.user namespace, as can be seen by the output of *nrepl-messages* below.

(--->
  ns  "foo.core"
  op  "eval"
  session  "c935c36d-53d0-41e1-99d7-4abfff10d581"
  code  "(+ 1 1)\n"
  id  "17"
)
(<-
  id  "17"
  ns  "cljs.user"
  session  "c935c36d-53d0-41e1-99d7-4abfff10d581"
  value  "2"
)

If I explicitly set my namespace using (in-ns 'foo.core), this problem does not occur.

[cemerick]

I think this might be related to the issue described in clojure-emacs/cider#909.

[cemerick]

The work on the new-cljs-repl branch, currently available in 0.2.0-SNAPSHOT, is effectively a rewrite due to the new ClojureScript REPL API, etc. Closing all issues filed against 0.1.x; most (or all) of them should be resolved and/or irrelevant.