On Tue, Oct 24, 2017 at 6:12 PM, J Decker <d3c...@gmail.com> wrote:
>
> On Tuesday, October 24, 2017 at 7:35:20 AM UTC-7, Ben Noordhuis wrote:
>>
>> On Tue, Oct 24, 2017 at 3:27 PM, J Decker <d3c...@gmail.com> wrote:
>> > Is there a way to make a C++ class that has set accessors on the
>> > prototype
>> > to get its data logged?
>> >
>> > so like
>> > var color = new Color( "white" );
>> > console.log( color ):
>>
>> I think you are asking about the difference between
>> PropertyCallbackInfo<T>::This() and PropertyCallbackInfo<T>::Holder().
>> The first is the instance object, the second the prototype object.
>>
>> (If it's not that, please clarify what "gets its data logged" means.)
>
>
> No... I'm just asking if there's a way to get console.log to log
> setters/getters configured on the object, similar to how it will log
> properties directly on an object.
> and re the this/holder differneces... the documentation in v8.h describes
> this and holder pretty well now....
>
>>
>>
>> > Also, I added a toString() method to the prototype, but apparently I
>> > have to
>> > append it to a string (as in console.log( ""+color ) } or call it
>> > explicitly... console.log( color.toString() )
>>
>> Yes. Did you expect something else?
>
>
> Well another thread said I shouldn't have to append it to a string... I
> mean doesn't console.log attempt to convert arguments to string anyway? I
> know it doesn't in a browser, because you get an arrow you can use to expand
> an object... but this is using node... hmm maybe it's more of a node issue;
> I suppose if I were using electron or nwjs I would get the object logged
> with an expansion arrow...
Right. Yes, the console.log() in Node.js goes well beyond simple
stringification. It also doesn't print non-enumerable properties[0] or
properties from the prototype chain.
[0] `console.log(util.inspect(obj, {showHidden: true}))` will, though.
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