refactor(ast): shorten TS type definitions for enums

[overlookmotel]

Where one enum inherits the variants of another, express that in TS type definitions, rather than repeating all the inherited variants.

[overlookmotel]

• refactor(ast): shorten code for impl Serialize for Elision #8940
• refactor(ast): introduce #[estree(ts_alias)] attr and use it on Elision #8939
• refactor(ast): shorten TS type definitions for enums #8938 👈 (View in Graphite)
• refactor(ast): simplify serializing literal types #8937
• refactor(ast): simplify serializing SourceType #8936
• feat(ast_tools/typescript): define fields inline for flattened types with only a single field #8935
• fix(ast_tools): do not flatten struct fields inline if fields are inaccessible from crate where Serialize impl is generated #8934
• refactor(ast_tools): remove Def::file_id method, add StructDef::file and EnumDef::file methods instead #8933
• main

---

How to use the Graphite Merge Queue

Add either label to this PR to merge it via the merge queue:

• 0-merge - adds this PR to the back of the merge queue
• hotfix - for urgent hot fixes, skip the queue and merge this PR next

You must have a Graphite account in order to use the merge queue. Sign up using this link.

An organization admin has enabled the Graphite Merge Queue in this repository.

Please do not merge from GitHub as this will restart CI on PRs being processed by the merge queue.

This stack of pull requests is managed by Graphite. Learn more about stacking.

[graphite-app]

Merge activity

• Feb 6, 9:46 PM EST: A user added this pull request to the Graphite merge queue.
• Feb 6, 10:10 PM EST: A user merged this pull request with the Graphite merge queue.