Issue with advanced optimisation

[Arnaud Bailly]

Hello,
I am developing an Om/ClojureScript application and when trying to convert my code to advanced optimisations, I ran into an error: Uncaught TypeError: Cannot read property 'c' of undefined

This is certainly a problem in my settings but I am pretty much clueless. Here is my project.clj:

(defproject capital-match-ui "0.1.0-SNAPSHOT"
:description "FIXME: write this!"
:url "http://example.com/FIXME"

:dependencies [[org.clojure/clojure "1.6.0"]
[org.clojure/clojurescript "0.0-2311"]
[org.clojure/core.async "0.1.267.0-0d7780-alpha"]
[om "0.7.1"]
[com.cemerick/clojurescript.test "0.3.1"]
[prismatic/dommy "0.1.3"]]

:plugins [[lein-cljsbuild "1.0.4-SNAPSHOT"]
[com.cemerick/clojurescript.test "0.3.1"]
;; compress CSS files
[lein-aggravate "0.1.0-SNAPSHOT"]]

:source-paths ["src" "test"]

:aggravate-dirs [
{:input ["css"]
:output "out/main.css"
:suffix "css"
:compressor "yui"}
]

:cljsbuild
{
:builds
[
{:id "cmui-test"
:source-paths ["lib" "test"]
:compiler {:output-to "out/cmui-test.js"
:optimizations :simple
:pretty-print true}}

{:id "cmui-dev"
:source-paths ["lib" "main"]
:compiler {:output-to "out/cmui-main.js"
:output-dir "out"
:optimizations :none
:pretty-print true}}

{:id "cmui-user"
:source-paths ["lib" "main/capital_match/user"]
:compiler {:output-to "out/user.js"
:optimizations :advanced
:preamble ["react/react.min.js"]
:externs ["react/externs/react.js"]
:pretty-print false}}
]

:test-commands {"unit-tests" ["phantomjs"
;; adapted from base runner to load a skeleton page containig some divs for
;; Om components testing
"js/runner.js"
;; see https://github.com/swannodette/om/wiki/Testing
"js/polyfill.js"
"js/react.js"
"out/cmui-test.js"]}
})

Help greatly appreciated of course.

Thanks
Arnaud

[Asim Jalis]

Are you getting the error in the REPL or when you run your program normally like a user would? If it is the REPL, then this is likely to be because the REPL does not work with :advanced—as I found out recently.

Arnaud

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[Arnaud Bailly]

Thanks for your answer. No, it’s an error appearing in the browser’s console, and then of course application is not loaded.

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[Herwig Hochleitner]

This sounds like it could be a missing extern. Compiling with :pseudo-names true (and :pretty-print true) might help a great deal in pinpointing it.

[Arnaud Bailly]

Hello,

I appears to an issue with conflicting versions of clojurescript and core.async. Thanks to Hiram Madelaine, I was able to make it work using:

  [org.clojure/clojurescript "0.0-2371"]

  [org.clojure/core.async "0.1.346.0-17112a-alpha"]

Thanks

Arnaud