bug: Type inference not working for streams

[benhylak]

Provide environment information

https://trpc.io/?try=minimal#try-it-out

Describe the bug

https://trpc.io/?try=minimal#try-it-out

Even in the minimal example, type inference is not working for output of async generators.

In the documentation for HTTP Batch Stream Link, it seems like type inference for async generators should still work

Link to reproduction

https://trpc.io/?try=minimal#try-it-out

To reproduce

open up https://trpc.io/?try=minimal#try-it-out

hover over the type on the output of examples.iterable

notice it is any type

Additional information

No response

👨‍👧‍👦 Contributing

• 🙋‍♂️ Yes, I'd be down to file a PR fixing this bug!

[KATT]

Yeah, it's because stackblitz is using a version of ts than what we require

[KATT]

stackblitz/webcontainer-core#1708