Given our current design, I think we always assume any preflight code is running in some scope so the thought makes sense.
Why not go all-in and make it a keyword (ala this) without relying on an arg?

Why not go all-in and make it a keyword (ala this) without relying on an arg?

Yes, totally think we need a keyword (scope), but we also need a way to actually propagate this through the JS code. I think an implicit argument passed to all functions can do the trick. Perhaps in JS code generated by Wing we can pass it in always as the last argument of every function call and name it $scope (but this is incompatible with how construct initializers look like, so this means there's a special case there).

Maybe we can use JS bind, it takes the "this" arg, but also others. So we can explicitly set the this param and add a scope param to all functions without changing their signatures

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Keep please

A possible use case for this would be for the SDK's Schedule/Timer/Cron resource:

let timer = cloud.Timer.fromCron("* * * * 6"); // implicit scope and id
timer.on_tick(inflight () => {
  // ...
});

yes, I think the "factory" use case is strong. I was thinking that we need to give factories a more first-class status in the language. In a sense an initializer and a static factory method are sort of the same thing.

Here's a random idea. What if whenever a function in a JSII/Wing library (instance method, static method, constructor, etc.) has its first two arguments named "scope" and "id", then the Wing compiler will automatically remove them from the signature and automatically fill in the scope and id during jsification?

(I think this would need to be fleshed out because of edge cases, e.g. does this apply to both classes and resources? Are there any places in Wing where there isn't a valid implicit scope?)

@Chriscbr yes I like this a lot.

Hi,

This issue hasn't seen activity in 60 days. Therefore, we are marking this issue as stale for now. It will be closed after 7 days.
Feel free to re-open this issue when there's an update or relevant information to be added.
Thanks!