Repository Issues

Microsoft/TypeScript

TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

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Stars
 (108,860 stars)
Forks
 (13,395 forks)
Indexed issues
 (925 indexed issues)
open beginner issues
 (912 open beginner issues)
Latest indexed
Aug 14, 2026
Last GitHub push
May 8, 2026
License
Apache License 2.0
Contributing guide
Contributing guide
Code of conduct
Code of conduct
Dominant language
TypeScript
PR merge metrics
 (Avg merge 6d 17h) (9 merged PRs in 30d)
Beginner labels
help wantedgood first issue

Issues

925 indexed issues

Open
Assertion signature on generics doesn't narrow
BugDomain: check: Control FlowHelp Wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

Microsoft / TypeScript · #60130 · Oct 3, 2024 · TypeScript · 108,860 stars

13 comments0 reactions0 assignees
Open
undefined is narrowed away incorrectly
BugDomain: check: Control FlowHelp Wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

Microsoft / TypeScript · #60106 · Sep 30, 2024 · TypeScript · 108,860 stars

3 comments0 reactions0 assignees
Open
Inconsistent behaviour of `-?`
BugDomain: Mapped TypesHelp Wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

Microsoft / TypeScript · #59948 · Sep 12, 2024 · TypeScript · 108,860 stars

8 comments0 reactions0 assignees