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TypeScript 4.7 Iteration Plan

#48027 opened Feb 24, 2022 by DanielRosenwasser

Open 3

TypeScript 4.6 Iteration Plan

#46858 opened Nov 18, 2021 by DanielRosenwasser

Open 27

Labels 137 Milestones 8

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Nested function's JSDoc lost after compilation when returned in an object

#48495 opened Mar 31, 2022 by shortcuts

JSON.stringify(undefined) has wrong type

#48492 opened Mar 30, 2022 by locriacyber

Contribute to the welcome view

#48489 opened Mar 30, 2022 by isidorn

Declarations emit internal functions when used in export definitions

#48488 opened Mar 30, 2022 by RDIL

"Unexpected PrivateIdentifier in name expression with literal-like access" being hit Bug

A bug in TypeScript

#48487 opened Mar 30, 2022 by yipstanley TypeScript 4.7.1

Error "Target requires N element(s) but source may have fewer" with arguments of function Working as Intended

The behavior described is the intended behavior; this is not a bug

#48486 opened Mar 30, 2022 by GTOsss

Unexpected error when using generic key record lookup and Parameters

#48484 opened Mar 30, 2022 by OliverJAsh

Assignability type annotations

#48475 opened Mar 29, 2022 by jscheiny

5 tasks done

Property name bind/call/apply breaks generic inference in non-Function edge case Design Limitation

Constraints of the existing architecture prevent this from being fixed

Has Repro

This issue has compiler-backed repros: https://aka.ms/ts-repros

#48474 opened Mar 29, 2022 by texastoland

Nullish coalescing assignment operator doesn't work correctly with logical operators Duplicate

An existing issue was already created

#48473 opened Mar 29, 2022 by m93a

'typeof' doesn't return real type in switch control flow(type guard) Question

An issue which isn't directly actionable in code

#48471 opened Mar 29, 2022 by Messiahhh

exactOptionalPropertyTypes breaks typing of React class components with defaultProps Working as Intended

The behavior described is the intended behavior; this is not a bug

#48470 opened Mar 29, 2022 by MichaelMitchell-at

Generic type no longer narrowed as expected without extends object

#48468 opened Mar 29, 2022 by mjbvz

Broken type inference in generic-connected functions return type Duplicate

An existing issue was already created

#48466 opened Mar 28, 2022 by risenforces

New type for tuples which have mutable properties but can't be mutated with array methods Awaiting More Feedback

This means we'd like to hear from more people who would be helped by this feature

Suggestion

An idea for TypeScript

#48465 opened Mar 28, 2022 by haydaralrikabi

5 tasks done

Mixed Results Assigning One Generic Lookup Function Type Into Another Needs Investigation

This issue needs a team member to investigate its status.

#48455 opened Mar 28, 2022 by nashspence Backlog

values of mapped types contain impossible union members in some circumstances and not others Needs Investigation

This issue needs a team member to investigate its status.

#48454 opened Mar 27, 2022 by colin-alexa

HTMLMetaElement property descriptions Needs More Info

The issue still hasn't been fully clarified

#48451 opened Mar 27, 2022 by TriMoon

Definite assignment assertion on object property not flagged in JavaScript Bug

A bug in TypeScript

In Discussion

Not yet reached consensus

#48446 opened Mar 27, 2022 by Josh-Cena

Missing HTMLMediaElement.preservesPitch 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

#48444 opened Mar 26, 2022 by Tenpi Backlog

TSC --showConfig throws error instead of listing configuration Bug

A bug in TypeScript

#48443 opened Mar 26, 2022 by SetTrend Backlog

Please add default values to all properties in configuration reference Docs

The issue relates to how you learn TypeScript

Help Wanted

You can do this

#48441 opened Mar 26, 2022 by SetTrend

5 tasks done

Backlog

Don't search the file system for node: modules Domain: Performance

Reports of unusually slow behavior

#48431 opened Mar 26, 2022 by amcasey

Code duplication on compiler/types.ts Bug

A bug in TypeScript

#48424 opened Mar 25, 2022 by Blopaa Backlog

Incremental program fails to emit source file with no-default-lib that augments the global scope Bug

A bug in TypeScript

Help Wanted

You can do this

#48423 opened Mar 25, 2022 by dsherret Backlog

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