microsoft / microsoft/TypeScript
Computed property type is invalid in type emitted if it is a unique symbol coming from a property that has a space in the name
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Nobody has claimed this yet.
Bug
Domain: Declaration Emit
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Description
🔎 Search Terms
computed property unique symbols declaration emit
🕗 Version & Regression Information
- This changed between versions 3.7 and 3.8
⏯ Playground Link
💻 Code
class T {
static readonly ['A a']: unique symbol;
}
let x = {
foo:T['A a']
} as const;
🙁 Actual behavior
The type of x is emitted as { readonly foo: typeof T.A a; } which is invlaid.
🙂 Expected behavior
Declaration emit should be valid
Additional information about the issue
No response
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with the linked TypeScript Playground reproduction and trace declaration emit for the computed unique-symbol property whose name contains a space. The issue names no repository file or test; done means the emitted declaration is valid rather than producing typeof T.A a.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- typescript
- Domain
- compilers
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 38/100