[compiler] Custom type definitions in config

[mvitousek]

Stack from ghstack (oldest at bottom):

• -> #30670

Summary: This PR allows custom type definitions for globals to be loaded in the Forget config. We use a slightly different representation than we do internally, in order to ensure that things are well formed before we pass them to the shape registry. The most fundamental issue is that we introduce a notion of IDs (expected to be unique) for types: we can introduce a type and then refer to that type later by a unique ID in a function return type if we have, for example, a global value that returns itself when called.

[vercel[bot]]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Comments	Updated (UTC)
react-compiler-playground	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Aug 16, 2024 7:10pm

[github-actions[bot]]

This pull request has been automatically marked as stale. If this pull request is still relevant, please leave any comment (for example, "bump"), and we'll keep it open. We are sorry that we haven't been able to prioritize reviewing it yet. Your contribution is very much appreciated.

[github-actions[bot]]

Closing this pull request after a prolonged period of inactivity. If this issue is still present in the latest release, please ask for this pull request to be reopened. Thank you!