Repository Issues
Microsoft/TypeScript
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
Issues
Open
Recursive tuple cannot be computed through generic, but valid in a declarative form
BugDomain: check: Type CircularityHelp Wanted
No assignee yetHas a beginner-friendly labelContributing guide available
2 comments0 reactions0 assignees
Open
Private constructor in mixin causes "Cannot read properties of undefined (reading 'declarations')"
BugDomain: classesHelp Wanted
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available
0 comments0 reactions0 assignees
Open
TS2742 “The inferred type of 'default' cannot be named” with ESLint `defineConfig`
Domain: Declaration EmitHelp WantedPossible Improvement
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
11 comments3 reactions0 assignees
Open
Incorrect report of self-referencing type for static fields
Domain: check: Type InferenceHelp WantedPossible Improvement
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available
0 comments0 reactions0 assignees
Open
Inconsistencies in ESM-style imports of accessibility-modified properties from CJS-exported classes
BugDomain: ES ModulesHelp Wanted
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available
0 comments0 reactions0 assignees
Open
Discriminated union with 11+ items does not handle nullability same as union with <10 items
BugDomain: check: Big UnionsHelp Wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
3 comments0 reactions0 assignees
Open
Certain recursive types cause "Maximum call stack size exceeded" error in TS server
BugDomain: Indexed Access TypesHelp Wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
1 comment0 reactions0 assignees
Open
Common fields of union not resolved for generic conditional with `any` branch
BugDomain: Conditional TypesHelp Wanted
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available
0 comments0 reactions0 assignees
Open
JSDoc comments emitted a second time even after commenrs on type are emitted
BugDomain: Comment EmitHelp Wanted
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available
0 comments3 reactions0 assignees
Open
TypeScript fails to detect self-reference issue in "Parameter Properties" of constructors
BugDomain: check: Control FlowHelp Wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
2 comments1 reaction0 assignees
Open
Destructuring assignment with computed property name does not help narrow types as intended.
Domain: check: Control FlowHelp WantedPossible Improvement
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
4 comments0 reactions0 assignees
Open
Deprecation error message reporting method type as deprecated instead of method name
BugDomain: Error MessagesHelp Wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
1 comment0 reactions0 assignees
Open
[CLI] "@" character removed when it's first path character with --build
BugDomain: tsc -bHelp Wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
4 comments0 reactions0 assignees
Open
JSX Fragments are in-properly typed with `<></>` syntax, when using `react-jsx` JSX option
BugDomain: JSX/TSXFix AvailableHelp Wanted
Why recommendedNo comments yet · Has a beginner-friendly label
No comments yetHas a beginner-friendly labelContributing guide available
0 comments4 reactions1 assignee
Open
`silentNeverType` leak in contextual parameter types coming from anonymous non-aliased object type instantiations
BugDomain: check: Type InferenceHelp Wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
1 comment0 reactions0 assignees
Open
Support `@deprecated` marker on namespace aliases
Domain: JSDocHelp WantedPossible Improvement
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available
0 comments1 reaction0 assignees
Open
Function argument is not infered correctly
Domain: check: Type InferenceHelp WantedPossible Improvement
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
1 comment0 reactions0 assignees
Open
Multiple keys being remapped to same key causes unstable modifier propagation
BugDomain: Mapped TypesHelp Wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
3 comments0 reactions0 assignees
Open
JSDoc present in mapped types is not output in generated type literals in declaration files
Domain: Declaration EmitHelp WantedPossible Improvement
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
2 comments5 reactions0 assignees
Open
Contextual typing doesn't work when mixing up discriminated unions with function variant
Domain: check: Contextual TypesHelp WantedPossible Improvement
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
6 comments0 reactions0 assignees