What is holding back Decorators ?

Jordan Harband ljharb at gmail.com
Tue Dec 4 19:00:02 UTC 2018

(TC39 met last week)

I'd suggest filing an issue on the proposal repo for decorators, since
that's where the proposal's champions will be most likely to respond.

On Tue, Dec 4, 2018 at 8:25 AM T.J. Crowder <tj.crowder at farsightsoftware.com>

> On Tue, Dec 4, 2018 at 3:47 PM Ranando King
> <kingmph at gmail.com> wrote:
> >
> > Thanks for the links T.J.
> Not me, it was 森建. I just supplied the corrected broken link from the
> slides.
> > ...though I'm a bit confused as to why they'd want to do `@dec export`.
> > That makes it look like the `export` directive is the target of the
> > decorator. Weird.
> On Tue, Dec 4, 2018 at 4:00 PM Andrea Giammarchi
> <andrea.giammarchi at gmail.com> wrote:
> >
> > FWIW I agree @dec export is a huge nonsense...
> I agree with both of you. If the decorator decorates the class, it should
> be after `export`, not before. I'm sorry if that means that there is a
> bunch of code written with earlier Stage 1- and Stage 2- versions of
> decorators that did it the other way, but that's not nearly a good enough
> reason (IMHO) to do something so clearly non-intuitive and that breaks
> parallel construction. RIght now, you say "If you want to export X, you put
> `export` in front of it" (in the simple case). Breaking that for decorated
> classes seems like a horrible idea.
> TC39 is meeting this week. Here's hoping they come to resolution on this
> stuff and, as is usually the case, a good one that makes sense.
> -- T.J. Crowder
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