microsoft / microsoft/TypeScript
Autocompletion for mapped type with inferred keys and values all the same.
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Nobody has claimed this yet.
Domain: LS: Completion Lists
Experience Enhancement
Suggestion
- Dominant language
- Go
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- 14.3k
- Avg merge
- 2d 4h
- Merged PRs (30d)
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Description
TypeScript Version: nightly 2.3.0-dev.20170324
Code
declare function f<T extends { [P in keyof T]: { x: number } }>(t: T): void;
f({
arbitraryKey: {
/*Here*/
}
});
Expected behavior:
Autocomplete gives x.
Actual behavior:
Don't get useful autocomplete.
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 by reproducing the provided TypeScript nightly example and inspect how autocomplete handles the mapped type with inferred keys and values. The work is complete when autocomplete at the marked location offers x, matching the expected behavior.
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
- 35/100