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Spreading constrained generic parameters allows for invalid/unsafe return types
#61754
opened May 22, 2025 by
WadePeterson
Tuples: maintaining type-param in the type of it's items
#61750
opened May 22, 2025 by
eranhirsch
6 tasks done
Intersection of
object
and array breaks homomorphism
#61745
opened May 21, 2025 by
juhort
1 task done
TS looses track of enum coming from module declaration
Question
An issue which isn't directly actionable in code
#61744
opened May 21, 2025 by
ernestostifano
Intersection with a mapped type breaks bypassing private assignability.
#61743
opened May 21, 2025 by
miguel-leon
Design Meeting Notes, 5/21/2025
Design Notes
Notes from our design meetings
#61742
opened May 21, 2025 by
RyanCavanaugh
1 task done
"'const' declarations can only be declared inside a block" should be issued more aggressively
Help Wanted
You can do this
Possible Improvement
The current behavior isn't wrong, but it's possible to see that it might be better in some cases
Poor quick info due to erroneously deferring A bug in TypeScript
Help Wanted
You can do this
keyof T
since #51621
Bug
Mixing base class defeats circularity protection
Help Wanted
You can do this
Possible Improvement
The current behavior isn't wrong, but it's possible to see that it might be better in some cases
Emitted declarations for JS file do not import a class if it's re-exported
Bug
A bug in TypeScript
Help Wanted
You can do this
tsc --build --watch
produces stray .js
/.js.map
files when adding a file to upstream project
Bug
Double initializing a This means we'd like to hear from more people who would be helped by this feature
Suggestion
An idea for TypeScript
readonly
field should not be allowed
Awaiting More Feedback
#61716
opened May 17, 2025 by
dgp1130
using
transform throws when a for body binding shadows the for head binding
Bug
Missing Intl.Locale.prototype.getWeekInfo()
Bug
A bug in TypeScript
Domain: lib.d.ts
The issue relates to the different libraries shipped with TypeScript
Help Wanted
You can do this
Add option to remove "move to new file" quick fix
Needs Investigation
This issue needs a team member to investigate its status.
Visual Studio
Integration with Visual Studio
#61712
opened May 16, 2025 by
markboyall
6 tasks done
Resolution order dependent circular heritage
Help Wanted
You can do this
Possible Improvement
The current behavior isn't wrong, but it's possible to see that it might be better in some cases
Object.groupBy
should not return Partial<Record<string, T>>
or Partial<Record<number, T>>
Awaiting More Feedback
#61706
opened May 15, 2025 by
joshkel
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