It is fixed internally. asArray API replaced with asList API
On Mon, Jul 24, 2017 at 3:11 PM, Goktug Gokdogan <[email protected]> wrote:
> For following code:
>
> class A<T> {
> T[] asArray {}..
> }
>
> A<String> st;
> String[] arr = st.asArray();
>
> I wasn't expecting an erasure cast at the call site for this but seems
> like I was wrong and erasure cast seems right here otherwise you cannot
> guarantee that arr[0] which won't have a cast to return String.
>
> We should be able to repro this in jsinterop.base; will take a look.
>
>
> On Sun, Jul 23, 2017 at 8:18 PM, Colin Alworth <[email protected]> wrote:
>
>> Using GWT 2.8.1, I'm trying to iterate through items found via a query
>> selector:
>>
>> Arrays.asList(document.querySelectorAll("button.with-some-class").asArray
>> ()).forEach(
>> item -> doSomething(item)
>> );
>>
>> Unfortunately, this seems to always fail - querySelectorAll returns a
>> NodeList<Element>, and while asArray() seems to specify Js.uncheckedCast,
>> the resulting generated code is
>>
>> $forEach_1(new Arrays$ArrayList(*castToJsArray*(($clinit_DomGlobal() ,
>> document_0).querySelectorAll('button.with-some-class'))), new
>> SampleClass$lambda$0$Type);
>>
>> Predictable, the bolded castToJsArray causes an exception at runtime,
>> since a NodeList isn't actually a JS Array at all.
>>
>> Is there a correct way to do this, or perhaps a nicer way to iterate
>> through NodeLists?
>>
>> I assume this should be a bug filed against jsinterop-base, but am not
>> seeing a repo for it, or is this a bug in GWT itself?
>>
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