yes, we are thinking about that. We would like also to add a feature
checking system.
AFAIC, I think this kind of wrapper code should be part of a separate
library using elemental. I would like that elemental stays "close to the
metal".
But we don't have decided anything yet now.
On Saturday, July 2, 2016 at 11:07:16 PM UTC+2, Manuel Carrasco Moñino
wrote:
>
> I'm wondering if it would be possible to have type-safe convenience
> methods for creating elements, so as the user does not have to provide the
> string tag name, nor cast the object, maybe something like :
>
> HTMLButtonElement button = HTMLButtonElement.createElement();
>
> instead of
>
> HTMLButtonElement button = (HTMLButtonElement)
> document.createElement("button");
>
>
>
> El sáb., 2 jul. 2016 a las 4:38, 'Goktug Gokdogan' via GWT Contributors (<
> [email protected] <javascript:>>) escribió:
>
>> Closure extern definition uses a union type here:
>>
>> https://github.com/google/closure-compiler/blob/master/externs/browser/w3c_event.js#L34
>>
>> So it accepts either EventListener interface or a function.
>>
>> When we see a union type, we generate overloads for each type so
>> Elemental should provide overloads that includes both. And it seems like it
>> does. If not please let us know.
>>
>> On Fri, Jul 1, 2016 at 3:39 AM, Jens <[email protected] <javascript:>>
>> wrote:
>>
>>>
>>> Thanks, now makes sense. I get confused with the JsFunction
>>>> JsType(native) because elemental2 has some callbacks as JsFunction and
>>>> others as JsType(native), now an actual elemental2 question; what criteria
>>>> is used to apply JsFunction (ex. elemental2.Node.AddEventListenerCallback)
>>>> instead of JsType (ex. elemental2.JsType)?
>>>>
>>>
>>> I think its the result of definition of EventTarget.addEventListener():
>>>
>>> *listener - The object that receives a notification (an object that
>>> implements the Event
>>> <https://developer.mozilla.org/en-US/docs/Web/API/Event> interface) when an
>>> event of the specified type occurs. This must be an object implementing the
>>> EventListener
>>> <https://developer.mozilla.org/en-US/docs/Web/API/EventListener> interface,
>>> or simply a JavaScript function
>>> <https://developer.mozilla.org/en-US/docs/JavaScript/Guide/Functions>.*
>>>
>>> The EventListener interface is a defined API and thus a @JsType(isNative
>>> = true) interface has been generated. But to conform to "or simply a
>>> JavaScript function" there is also an AddEventListenerCallback that is a
>>> @JsFunction. Not sure if this distinction has any real value, in a hand
>>> coded elemental2 I would have only created a @JsFunction interface
>>> EventListener
>>>
>>> -- J.
>>>
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>>
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