Re: GWT JS Interopt

Maybe the same issue as:

https://groups.google.com/forum/#!topic/Google-Web-Toolkit-Contributors/nx9mBU5kwEo

BTW, how do you use gwt-maven-plugin to pass the compile option "-XjsInteropMode JS"?

On Tue, Jul 22, 2014 at 5:26 AM, Henrik <henrik.gram@gmail.com> wrote:

On Wednesday, July 16, 2014 1:55:52 PM UTC+2, Eder Ignatowicz wrote:

Yep! Thanks for your help! :)

What does the trick is the flag -XjsInteropMode JS .

If anyone want to use my GWT JS interop demo is on https://github.com/ederign/gwt-playground.

Thanks for that; it helped me out a bit experimenting with jsinterop.

I had the hardest time getting the jsni functions (those simply returning $doc and $doc.body) to actually return anything other than null!  After playing with a bunch of options, I finally hit upon the problem.  I was using the maven gwt plugin (locally updated to use 2.7.0-SNAPSHOT of GWT) and one of the arguments it sends to the compiler is "-localWorkers" with a default of "8" (which comes from Runtime.getRuntime().availableProcessors() ).  The generated javascript functions contained "null.something" which clearly would not work.  But when I explicitly used "-localWorkers 1" instead, hurray, it worked perfectly!  Seems like some compiler bug to me. 

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