If possible, reusing the object template will save space, and is preferable
On Thu, Oct 6, 2016 at 8:18 PM Riccardo Corsi <riccardo.co...@kairos3d.it>
wrote:
> Hi all,
>
> I'm using ObjectTemplate to create JS empty objects that are simple
> wrappers of a c++ object
> (in the JS code they are just used as "handles" to pass the objects around
> in the script).
>
> I was just wondering if there is any issue or penalty to use a new
> ObjectTemplate every time (see code below)
> or if I should store the ObjectTemplate in a persistent handle and reuse
> it.
>
> Thank you,
> Ricky
>
> v8::Handle<v8::Object> WrapNativeElem(NativeElem* elem)
> {
> Isolate* isolate = Isolate::GetCurrent();
> EscapableHandleScope handle_scope(isolate);
>
> // create an empty object
> v8::Handle<v8::ObjectTemplate> elem_templ = v8::ObjectTemplate::New
> ();
> elem_templ->SetInternalFieldCount(1);
> v8::Local<v8::Object> wrapper = elem_templ->NewInstance();
>
> // set the game state as internal field and return the wrapper
> wrapper->SetInternalField(0, External::New(Isolate::GetCurrent(),
> elem));
> return handle_scope.Escape(wrapper);
> }
>
>
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