Repository Issues
Microsoft/TypeScript
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
Issues
Open
Interface type coercion fails with unsatisfied properties in unions
BugDomain: check: Type InferenceHelp Wanted
No assignee yetHas a beginner-friendly labelContributing guide available
1 comment1 reaction0 assignees
Open
Type is not referred correctly in the while loop
BugDomain: check: Control FlowHelp Wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
9 comments0 reactions0 assignees
Open
wrong behavior about type parameters of `as` clause in a mapped type
Domain: Mapped TypesHelp WantedPossible Improvement
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
2 comments0 reactions0 assignees
Open
Unions of assertion functions do not act as assertion functions
BugDomain: This-TypingHelp Wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
3 comments0 reactions0 assignees
Open
`getTextOfJSDocComment` introduces a space in JSDoc comments
BugDomain: JSDocHelp Wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
1 comment0 reactions0 assignees
Open
Signatures with less parameters aren't assignable to compatible targets with more when their rest param is an instantiated `NoInfer`
Domain: check: Type InferenceHelp WantedPossible Improvement
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
2 comments1 reaction0 assignees
Open
Make type narrowing for destructured discriminated unions work for more types
Domain: check: Control FlowHelp 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
5.6 regression: Incorrect param type inference for type with all optional props
BugDomain: check: Type InferenceHelp Wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
9 comments0 reactions0 assignees
Open
TypeScript can't infer type of default parameters
Domain: check: Type InferenceHelp WantedPossible Improvement
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
2 comments0 reactions0 assignees
Open
[5.5 regression] "Maximum call stack size exceeded" when serializing nested self-referencing class expressions
BugDomain: Declaration EmitHelp Wanted
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available
0 comments0 reactions0 assignees
Open
Type name in @throws not rendered as a link
Domain: JSDocHelp WantedPossible Improvement
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
2 comments0 reactions0 assignees
Open
Inconsistency between element access and object destruction
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
Suggestion: use numeric literals for `BYTES_PER_ELEMENT`
Domain: lib.d.tsExperience EnhancementHelp WantedSuggestion
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available
0 comments1 reaction0 assignees
Open
Unexpected declaration error when using symbols and intersections
BugDomain: Declaration EmitHelp Wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
1 comment2 reactions0 assignees
Open
Feature request: TS/JS: during object destructurization show autocomplete for props after user type comma `,`
Domain: LS: Completion ListsExperience EnhancementHelp WantedSuggestion
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
2 comments2 reactions0 assignees
Open
Type inference on tuple intersection types broken
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
Hide prototype completions for properties of a component in JSX context
Experience EnhancementHelp WantedSuggestion
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
2 comments5 reactions0 assignees
Open
No completions for type parameters in generic function return type
Help WantedSuggestion
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
1 comment0 reactions0 assignees
Open
TS2416 nonsensical fix suggestion (and possible false positive?) in a generic class implementing an interface verbatim
Domain: check: Variance RelationshipsHelp WantedPossible Improvement
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
3 comments0 reactions0 assignees
Open
TS2590 for simple ternary expression with large discriminated union
BugDomain: check: Big UnionsHelp Wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
1 comment0 reactions0 assignees