Re: JsInterop - fail to iterate @JsType in List

I think you can achieve this by using Babel: https://babeljs.io/ . A lot of JS-Libs use this for shipping and "Legacy"-support. See also: https://medium.com/hired-engineering/setting-up-monaco-with-jest-e1e4c963ac

Am Dienstag, 12. Mai 2020 12:14:50 UTC+2 schrieb Freddy Boucher:

@Jens

Good catch! It does work with the following javascript:

  <script>

   function Car() {

     this.start = function () {

       return "start";

     }

   }

    var car = new Car();

 </script>

But as you guessed, this is just some dummy code, my real javascript is the Microsoft Monaco Editor and of course I don't have any control on it.

What is the recommended approach in that case?

Thank you

On Tuesday, May 12, 2020 at 7:47:05 PM UTC+10, Jens wrote:

Other ideas?

Maybe because you have used a ES6 / ECMAScript2015 class in your custom JS instead of a traditional function() based JS class. For example web components also use ES6 classes and it is not straight forward to use them with JsInterop / GWT.

I would start SDM / Compiler with -style PRETTY and look at / debug the JS to see why a cast exception occurs or try define the class without using ES6.

-- J.

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