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Crashes on transform and parse (from assertion/debug failures)

BugA bug in TypeScriptA bug in TypeScript

CrashFor flagging bugs which are compiler or service crashes or unclean exits, rather than bad outputFor flagging bugs which are compiler or service crashes or unclean exits, rather than bad output

Domain: API: TransformsRelates to the public transform APIRelates to the public transform API

Effort: CasualGood issue if you're already used to contributing to the codebase. Harder than "good first issue".Good issue if you're already used to contributing to the codebase. Harder than "good first issue".

Fix AvailableA PR has been opened for this issueA PR has been opened for this issue

Help WantedYou can do thisYou can do this

Status: Open.

#58924 In microsoft/TypeScript;

· Roise-yue opened on Jun 19, 2024

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TypeScript 5.6.0

[Rename symbol command] Remove unnecessary named import

Effort: CasualGood issue if you're already used to contributing to the codebase. Harder than "good first issue".Good issue if you're already used to contributing to the codebase. Harder than "good first issue".

Experience EnhancementNoncontroversial enhancementsNoncontroversial enhancements

Help WantedYou can do thisYou can do this

SuggestionAn idea for TypeScriptAn idea for TypeScript

Status: Open.

#56497 In microsoft/TypeScript;

· asportnoy opened on Nov 21, 2023

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Backlog

Indexing/element access on <code>super</code> avoids instance property checks

BugA bug in TypeScriptA bug in TypeScript

Domain: classesBehavior of various `class` constructs, e.g. mixins or base classesBehavior of various `class` constructs, e.g. mixins or base classes

Effort: CasualGood issue if you're already used to contributing to the codebase. Harder than "good first issue".Good issue if you're already used to contributing to the codebase. Harder than "good first issue".

Fix AvailableA PR has been opened for this issueA PR has been opened for this issue

Help WantedYou can do thisYou can do this

RescheduledThis issue was previously scheduled to an earlier milestoneThis issue was previously scheduled to an earlier milestone

Status: Open.

#55899 In microsoft/TypeScript;

· DanielRosenwasser opened on Sep 28, 2023

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TypeScript 5.7.0

<code>ReturnType</code> and <code>InstanceType</code> don't work for functions/constructors with <code>never</code> in their parameters

Domain: lib.d.tsThe issue relates to the different libraries shipped with TypeScriptThe issue relates to the different libraries shipped with TypeScript

Effort: CasualGood issue if you're already used to contributing to the codebase. Harder than "good first issue".Good issue if you're already used to contributing to the codebase. Harder than "good first issue".

Experimentation NeededSomeone needs to try this out to see what happensSomeone needs to try this out to see what happens

Help WantedYou can do thisYou can do this

SuggestionAn idea for TypeScriptAn idea for TypeScript

Status: Open.

#55667 In microsoft/TypeScript;

· mkantor opened on Sep 7, 2023

Codefix <code>convertTypedefToType</code> creates types in a wrong place

BugA bug in TypeScriptA bug in TypeScript

Domain: LS: Refactoringse.g. extract to constant or function, rename symbole.g. extract to constant or function, rename symbol

Effort: CasualGood issue if you're already used to contributing to the codebase. Harder than "good first issue".Good issue if you're already used to contributing to the codebase. Harder than "good first issue".

Help WantedYou can do thisYou can do this

RescheduledThis issue was previously scheduled to an earlier milestoneThis issue was previously scheduled to an earlier milestone

Status: Open.

#55308 In microsoft/TypeScript;

· egorio opened on Aug 8, 2023

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TypeScript 5.7.0

Go-to-definition on <code>continue</code> and <code>break</code> should jump around(?) corresponding statement

Effort: CasualGood issue if you're already used to contributing to the codebase. Harder than "good first issue".Good issue if you're already used to contributing to the codebase. Harder than "good first issue".

Experience EnhancementNoncontroversial enhancementsNoncontroversial enhancements

Help WantedYou can do thisYou can do this

In DiscussionNot yet reached consensusNot yet reached consensus

Status: Open.

#51224 In microsoft/TypeScript;

· DanielRosenwasser opened on Oct 19, 2022

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Backlog

JSDoc tag and import autocompletion for concretions

BugA bug in TypeScriptA bug in TypeScript

Domain: LS: Completion ListsThe issue relates to showing completion lists in an editorThe issue relates to showing completion lists in an editor

Effort: CasualGood issue if you're already used to contributing to the codebase. Harder than "good first issue".Good issue if you're already used to contributing to the codebase. Harder than "good first issue".

Help WantedYou can do thisYou can do this

Status: Open.

#49115 In microsoft/TypeScript;

· lillallol opened on May 15, 2022

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Backlog

JS/TS Better inlay hint positioning in multiline rest parameters

Domain: LS: Inlay Hints

Effort: CasualGood issue if you're already used to contributing to the codebase. Harder than "good first issue".Good issue if you're already used to contributing to the codebase. Harder than "good first issue".

Experimentation NeededSomeone needs to try this out to see what happensSomeone needs to try this out to see what happens

Help WantedYou can do thisYou can do this

Status: Open.

#48377 In microsoft/TypeScript;

· NemoStein opened on Mar 22, 2022

JSDoc @param quick fix to rename reformats entire comment

BugA bug in TypeScriptA bug in TypeScript

Domain: JSDocRelates to JSDoc parsing and type generationRelates to JSDoc parsing and type generation

Domain: LS: Quick FixesEditor-provided fixes, often called code actions.Editor-provided fixes, often called code actions.

Effort: CasualGood issue if you're already used to contributing to the codebase. Harder than "good first issue".Good issue if you're already used to contributing to the codebase. Harder than "good first issue".

Fix AvailableA PR has been opened for this issueA PR has been opened for this issue

RescheduledThis issue was previously scheduled to an earlier milestoneThis issue was previously scheduled to an earlier milestone

Status: Open.

#47936 In microsoft/TypeScript;

· DanielRosenwasser opened on Feb 17, 2022

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TypeScript 5.7.0

Code hint not narrowed properly on union of literal tuple

BugA bug in TypeScriptA bug in TypeScript

Domain: LS: Completion ListsThe issue relates to showing completion lists in an editorThe issue relates to showing completion lists in an editor

Effort: CasualGood issue if you're already used to contributing to the codebase. Harder than "good first issue".Good issue if you're already used to contributing to the codebase. Harder than "good first issue".

Help WantedYou can do thisYou can do this

Status: Open.

#46457 In microsoft/TypeScript;

· k8w opened on Oct 21, 2021

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Backlog

Proposal: strictJsxAttributeChecks

Effort: CasualGood issue if you're already used to contributing to the codebase. Harder than "good first issue".Good issue if you're already used to contributing to the codebase. Harder than "good first issue".

Experimentation NeededSomeone needs to try this out to see what happensSomeone needs to try this out to see what happens

Help WantedYou can do thisYou can do this

SuggestionAn idea for TypeScriptAn idea for TypeScript

Status: Open.

#46229 In microsoft/TypeScript;

· DanielRosenwasser opened on Oct 5, 2021

Missing error if ClassDeclaration is used in Statement position

BugA bug in TypeScriptA bug in TypeScript

Domain: ParserThe parser didn't handle the syntax correctlyThe parser didn't handle the syntax correctly

Effort: CasualGood issue if you're already used to contributing to the codebase. Harder than "good first issue".Good issue if you're already used to contributing to the codebase. Harder than "good first issue".

Help WantedYou can do thisYou can do this

Status: Open.

#22682 In microsoft/TypeScript;

· ajafff opened on Mar 18, 2018

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Backlog