Can you expand a little bit on this? Are there any consequences we need to
look for?
Is there a commit to look at?
On Mon, Jul 31, 2017 at 8:44 PM, 'Goktug Gokdogan' via GWT Contributors <
google-web-toolkit-contributors@googlegroups.com> wrote:
> It is fixed internally. asArray API replaced with asList API
>
> On Mon, Jul 24, 2017 at 3:11 PM, Goktug Gokdogan <gok...@google.com>
> 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 <niloc...@gmail.com>
>> 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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--
Vassilis Virvilis
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