ANN: ClojureScript 0.0-2227

[David Nolen]

ClojureScript, the Clojure compiler that emits JavaScript source code.

README and source code: https://github.com/clojure/clojurescript

New release version: 0.0-2227

Leiningen dependency information:

    [org.clojure/clojurescript "0.0-2227"]

Enhancements

------------

* optimized case

* CLJS-802: Add :pseudo-names compiler option

* CLJS-795: 10X performance enchancement for multimethods

* CLJS-801: str macro emits unoptimizable js code

* CLJS-656: search classpath for goog-style JavaScript dependencies

Fixes

-----

* CLJS-792: Implement IReduce on PersistentArrayMap

* CLJS-804: Binding *print-length* breaks str

* CLJS-775: Fix cljs.reader cljs.reader parses radix form of int literals

* CLJS-805: add-watch returns map of watch fns instead of watched reference

* CLJS-787: cljs.reader does not read blank string as nil

* CLJS-784: Fix *Map.-conj for map-entry seqs, that don't implement INext

* CLJS-784: make conj on maps behave as it does in Clojure

* CLJS-793: fix memoize (non-truthy values don't get cached)

* CLJS-800: PersistentQueueSeq extended to IPrintWithWriter

[Julien Eluard]

Hi David,

I just tried this new release on a codebase using some closure based JS library and I now see the following:

* "WARNING: No such namespace: ..." during compilation

* "Uncaught Error: Undefined nameToPath for .." when running in a browser

Everything used to work fine with release #2202.

I am not clear if this is a regression, an incorrect syntax usage or the JS files being incorrectly provided to the compiler.

For info I am using a JS library packaged in a custom jar (https://github.com/jeluard/cljs-ol3js) and import the closure library with ".. (:import ol.Map ol.View2D)".

Any thoughts?

Thanks,

Julien

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[David Nolen]

No idea. There is a change in the latest release to resolve Google Closure JS libraries on the classpath via :require, perhaps there's a conflict here? If you could do some investigation that would be helpful.

David

[Julien Eluard]

Indeed things look ok when using the require syntax but only if I have JS files as part of current project. It does not work if they come as a jar dependency. Too bad, it was a pretty neat way to package reusable JS libraries.

I will follow up with lein-cljsbuild as it looks like I was relying on one of its features.

Thanks!

[Chas Emerick]

:require does load JS dependencies from jars, as long as the JS files in question have goog.provide/goog.require declarations corresponding to their classpath position, etc.

For those following along, the cljsbuild issue in question is https://github.com/emezeske/lein-cljsbuild/issues/313, more details to be provided there.

- Chas

[Joel Holdbrooks]

Awesome! Don't forget to update the README!

[David Nolen]

Thanks for the reminder.