We're seeing an issue in GWT 2.7.0 where if a Java Object is passed to a JS
method that's wrapped with $entry(), then the type information is stripped
off.
So for example, if a LinkedMap instance is created, and passed through an
API wrapped with $entry(), it's typeMarker$ attribute will be changed from
a known function to a copy of that function, so that hasTypeMarker()
returns false, and thus isJavaScriptObject() returns true - but ti's not a
JavaScriptObject, it's a LinkedMap!
function isJavaScriptObject_0_g$(src_0_g$){
> $clinit_Cast_0_g$();
> return !isJavaString_0_g$(src_0_g$) && !hasTypeMarker_0_g$(src_0_g$);
> }
>
> function hasTypeMarker_0_g$(o_0_g$){
> $clinit_Util_0_g$();
> return o_0_g$.typeMarker$ === typeMarkerFn_0_g$;
> }
>
This worked as expected in GWT 2.6.1, but obviously not in GWT 2.7.0. In
the release notes for GWT 2.8.0 (RC1) here
<http://www.gwtproject.org/release-notes.html#Release_Notes_2_8_0>, I see
this item:
"Fix instanceof for primitives & string."
but I'm not exactly sure what that is - it sounds like it may be related.
I took a look at closed issues on Github for GWT, but I wasn't able to
isolate any issue corresponding to that, or matching the problem I
described.
Anyone know what might be causing the issue above?
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