Repository Issues
Microsoft/TypeScript
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
Issues
Open
Regression: Generic function returning union of tuples is not assignable to identical type since v4.2
Domain: check: Type InferenceHelp WantedPossible Improvement
No assignee yetHas a beginner-friendly labelContributing guide available
4 comments0 reactions0 assignees
Open
Crash: when inferring from a tuple with middle rest elements and trailing variadic elements
BugDomain: CrashesHelp Wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
1 comment0 reactions0 assignees
Open
Crash: RangeError: Maximum call stack size exceeded in addTypesToUnion when using incomplete keyof type annotation on object destructuring
BugDomain: CrashesFix AvailableHelp Wanted
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available
3 comments1 reaction2 assignees
Closed
Crash: TypeError: Cannot read properties of undefined (reading 'flags') in isFreshLiteralType during recursive tuple expansion with unresolved identifiers
BugDomain: CrashesHelp 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 comments for async_hooks are confusing/misleading
Experience EnhancementHelp WantedSuggestion
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
2 comments0 reactions0 assignees
Closed
Regression: RangeError: Maximum call stack size exceeded in type instantiation with recursive types and intersections
BugDomain: check: Type CircularityHelp Wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
1 comment0 reactions0 assignees
Open
Crash: RangeError: Maximum call stack size exceeded during contextual typing of object literal with yield in computed property name
BugDomain: check: Contextual 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
Document that compiler.extends can be an array
DocsHelp Wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
2 comments0 reactions0 assignees
Open
Using declarations like a statement leads to strange bugs.
BugDomain: check: Control FlowFix AvailableHelp Wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
7 comments0 reactions0 assignees
Open
ES `ClassDecoratorContext.name` has incorrect value with static `name`
BugDomain: DecoratorsHelp Wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
2 comments0 reactions0 assignees
Open
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
2 comments0 reactions0 assignees
Open
`silentNeverType` leak through return type inference
BugDomain: check: Type InferenceHelp Wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
2 comments0 reactions0 assignees
Open
Spread operator fails to distribute over union when recursive type call is inlined instead of aliased
BugDomain: Conditional 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
Conditional type eagerly calculated to be invariant breaks referential transparency
BugCursed?Domain: check: Variance RelationshipsHelp Wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
4 comments0 reactions0 assignees
Open
Type parameter leak caused by `this` and reverse mapped type
BugDomain: This-TypingHelp Wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
1 comment0 reactions0 assignees
Open
"Lookup" Type Broken When Using Generics
Domain: Mapped TypesHelp 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
Access base class protected methods in static block
BugDomain: classesHelp Wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
6 comments0 reactions0 assignees
Open
Show incompatible union members in discriminated union discriminator errors
Experimentation NeededHelp WantedSuggestion
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
3 comments1 reaction0 assignees
Open
Inconsistencies in assignability rules around top-level-like signatures
Cursed?Domain: check: Variance RelationshipsHelp WantedPossible Improvement
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
2 comments3 reactions0 assignees
Closed
TS1508: Unexpected '?'. Did you mean to escape it with backslash? shouldn't report even with `v` flag
BugDomain: ParserHelp Wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
6 comments0 reactions0 assignees