microsoft / TypeScript

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TypeScript 4.1 Iteration Plan

#40124 opened Aug 18, 2020 by DanielRosenwasser

Open 17

TypeScript Roadmap: January - June 2020

#36948 opened Feb 21, 2020 by DanielRosenwasser

Open 11

CI Status Thread

#33716 opened Oct 1, 2019 by weswigham

Open 261

Labels 125 Milestones 5

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Most reactions

Object displacement and typing bug Working as Intended

#40589 opened Sep 16, 2020 by socketpair

Deprecated suggestions not reported as deprecated imported alias Bug Effort: Moderate help wanted

#40588 opened Sep 16, 2020 by mjbvz TypeScript 4.2.0

Inference to `Iterable<[K, V]> | undefined` fails Bug

#40587 opened Sep 16, 2020 by sandersn TypeScript 4.1.1

Preserve tuples when mapping with `as` clauses In Discussion Suggestion

#40586 opened Sep 16, 2020 by millsp 5 of 5

Typescript: TSServer: Code Fixes: Import missing imports with a symlinked node_modules folder is very slow Bug Domain: Performance Needs Investigation

#40584 opened Sep 16, 2020 by frederikdekegel TypeScript 4.1.1

type-only import prevents declaration of a value with the same name Working as Intended

#40583 opened Sep 16, 2020 by 1000hz

All optional generic type parameter accepts extra fields Working as Intended

#40582 opened Sep 16, 2020 by 1st1

d.ts type imports are not resolved correctly in dependencies Needs Investigation

#40581 opened Sep 16, 2020 by dkjii-g Backlog

Commonjs import with destructuring ignores trailing property access Bug

#40578 opened Sep 15, 2020 by sandersn TypeScript 4.1.1

Property Decorators last argument is undefined Needs Investigation

#40577 opened Sep 15, 2020 by DanilaFadeev

support lazy type inference: infer type Declined Suggestion

#40575 opened Sep 15, 2020 by xialvjun 5 of 5

Import path autocomplete with tsconfig path containing "/" Bug Domain: Completion Lists help wanted

#40572 opened Sep 15, 2020 by s4m0r4m4 Backlog

Successful build but had lots of 'fake' IntelliSense errors In Typescript (after Visual Studio 2019 + TS upgrade) Needs Investigation

#40571 opened Sep 15, 2020 by hvilppu

Property completions with quoted names Domain: Completion Lists Experience Enhancement Suggestion help wanted

#40568 opened Sep 15, 2020 by MrAndersen1 Backlog

Lazier typeof operator to enable limited "circular" references Awaiting More Feedback Suggestion

#40567 opened Sep 15, 2020 by Nathan-Fenner 5 of 5

Compiler Watch Mode does not re-compile if extended tsconfig changes. Duplicate

#40564 opened Sep 15, 2020 by 12wrigja

Non‑void returning assertion functions Awaiting More Feedback Suggestion

#40562 opened Sep 14, 2020 by ExE-Boss 5 of 5

Intellisence Import Update Feature creates erroneous updates when used with a compilerOptions.paths Needs Investigation

#40560 opened Sep 4, 2020 by egucciar TypeScript 4.2.0

Mapped discriminating union refinement Design Limitation

#40559 opened Sep 14, 2020 by kddeisz

Cannot infer type arguments from a default parameter Working as Intended

#40557 opened Sep 14, 2020 by wimoy

Commonjs exports should allow duplicates in some cases Bug

#40555 opened Sep 14, 2020 by sandersn TypeScript 4.2.0

Generating types results in "Cannot read property 'kind' of undefined" error Bug

#40554 opened Sep 14, 2020 by Ethan-Arrowood TypeScript 4.1.1

trailing comma kept in object notation output for es5 and es3 Bug Website

#40553 opened Sep 14, 2020 by pomack Backlog

Unable to use infer on types with optional keys Needs More Info

#40552 opened Sep 14, 2020 by Alphy11

Conditionally Mapped Type Leads to Confusing ts(2345) Error Message Needs Proposal Suggestion

#40550 opened Sep 14, 2020 by SlurpTheo

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ProTip! What’s not been updated in a month: updated:<2020-08-16.