I agree with you on Java idiomatic API design, but the first version
won't be so specialized, we will have to hand curate overrides of the
auto-generated APIs, it's not really possible to automate this.
On Wed, May 18, 2016 at 10:22 AM, Ming-Yee Iu <j...@jinq.org> wrote:
> Is it possible to get some hints about what's cooking for Elemental 2?
>
> Is the code generator still going to be Python or is it going to be
> rewritten in Java? I found modifying the Python code generator when I wanted
> to change Elemental 1 to be annoying.
>
> Is the output going to be a direct remapping of JS APIs to Java or are some
> of the more common APIs going to be massaged to be more Java-like? With
> Elemental 1, I found that the JS APIs were cumbersome to use in Java because
> they were designed for use in JavaScript. A lot of type casting was
> required to use the APIs, a lot of potential opportunities for compile-time
> type safety were missed, lots of strings used as parameters etc.
>
> e.g.
> CanvasRenderingContext2D ctx =
> (CanvasRenderingContext2D)canvas.getContext("2d");
>
> (I often forget whether it's "2d" or "2D", and that type cast is gross)
>
> e.g.
> div.addEventListener(Events.CLICK, new EventListener() {
> void handleEvent(Event evt) {
> MouseEvent e = (MouseEvent)evt;
> ...
> }
> });
>
> (that would work so much better as something like
>
> <U extends Event> EventRemover addEventListener( EventType<U> type,
> EventListener<U> listener )
>
> so that it would be possible to do a
>
> div.addEventListener(Events.CLICK, (MouseEvent e) -> {...});
>
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