Repository Issues
Microsoft/TypeScript
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
Issues
Open
JSDoc comments emitted a second time even after commenrs on type are emitted
BugDomain: Comment EmitHelp Wanted
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
Open
Incorrect emitted declaration for unique symbol re-assignment
BugDomain: Declaration EmitHelp Wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
1 comment0 reactions0 assignees
Open
Missing error about inability to access conflicting private properties on generic types involving intersections
BugDomain: Indexed Access TypesHelp Wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
2 comments0 reactions0 assignees
Open
JSDoc @type completion not working inside function argument
Domain: JSDocHelp 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
abstract type guard does not narrow when keyed with a unique symbol
BugDomain: check: Control FlowHelp 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 tags not parsed when a type may be present
BugDomain: JSDocHelp Wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
2 comments1 reaction0 assignees
Open
`verbatimModuleSyntax` leaves empty curly brackets in the JS output
Domain: ES ModulesHelp 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
TypeScript Language Features: `Analyzing '...' and its dependencies` takes crazy long time!
Domain: PerformanceHelp WantedPossible Improvement
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
6 comments1 reaction0 assignees
Open
`as const` breaks intra expression inference
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 comments1 reaction0 assignees