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Support re-aliasing of type alias instantiations

Author: Team

For Uncommitted BugPR for untriaged, rejected, closed or missing bugPR for untriaged, rejected, closed or missing bug

Status: Merged (completed).

microsoft/TypeScriptnumber 42284

#42284 In microsoft/TypeScript;

· by ahejlsberg was closed on Jan 11, 2021

Template literal types for template literal expressions

Author: Team

Breaking ChangeWould introduce errors in existing codeWould introduce errors in existing code

For Uncommitted BugPR for untriaged, rejected, closed or missing bugPR for untriaged, rejected, closed or missing bug

Status: Merged (completed).

microsoft/TypeScriptnumber 41891

#41891 In microsoft/TypeScript;

· by ahejlsberg was closed on Dec 12, 2020

Simplify visitNode's 'lift' argument

Author: Team

Breaking ChangeWould introduce errors in existing codeWould introduce errors in existing code

For Uncommitted BugPR for untriaged, rejected, closed or missing bugPR for untriaged, rejected, closed or missing bug

Status: Merged (completed).

microsoft/TypeScriptnumber 42000

#42000 In microsoft/TypeScript;

· by rbuckton was closed on Dec 17, 2020

Revert the DOM query changes

Author: Team

For Uncommitted BugPR for untriaged, rejected, closed or missing bugPR for untriaged, rejected, closed or missing bug

Status: Merged (completed).

microsoft/TypeScriptnumber 42230

#42230 In microsoft/TypeScript;

· by orta was closed on Jan 6, 2021

Revert assignability cases in getNarrowedType

Author: Team

For Uncommitted BugPR for untriaged, rejected, closed or missing bugPR for untriaged, rejected, closed or missing bug

Status: Merged (completed).

microsoft/TypeScriptnumber 42231

#42231 In microsoft/TypeScript;

· by orta was closed on Feb 9, 2021

fix(40632): Don't emit abstract members

For Milestone BugPRs that fix a bug with a specific milestonePRs that fix a bug with a specific milestone

Status: Merged (completed).

microsoft/TypeScriptnumber 40699

#40699 In microsoft/TypeScript;

· by a-tarasyuk was closed on Nov 5, 2020

Report implicit any error for 'yield' result with no contextual type

Author: Team

Breaking ChangeWould introduce errors in existing codeWould introduce errors in existing code

For Milestone BugPRs that fix a bug with a specific milestonePRs that fix a bug with a specific milestone

Status: Merged (completed).

microsoft/TypeScriptnumber 41348

#41348 In microsoft/TypeScript;

· by rbuckton was closed on Dec 18, 2020

JSDoc generation - generate @returns when function returns a value

CommittedThe team has roadmapped this issueThe team has roadmapped this issue

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

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

SuggestionAn idea for TypeScriptAn idea for TypeScript

VS Code PriorityCritical issues that VS Code needs fixed in the current TypeScript milestoneCritical issues that VS Code needs fixed in the current TypeScript milestone

VS Code TrackedThere is a VS Code equivalent to this issueThere is a VS Code equivalent to this issue

Status: Closed (completed).

#14248 In microsoft/TypeScript;

· by mjbvz was closed on Jan 8, 2021

Preserve Indentation of Closing > in Multiline Type List

BugA bug in TypeScriptA bug in TypeScript

Domain: FormatterThe issue relates to the built-in formatterThe issue relates to the built-in formatter

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

VS Code PriorityCritical issues that VS Code needs fixed in the current TypeScript milestoneCritical issues that VS Code needs fixed in the current TypeScript milestone

VS Code TrackedThere is a VS Code equivalent to this issueThere is a VS Code equivalent to this issue

Status: Closed (completed).

#15782 In microsoft/TypeScript;

· by mjbvz was closed on Jan 14, 2021

Overriding an accessor with a property causes runtime error when emitting ESNExt

BugA bug in TypeScriptA bug in TypeScript

ES2019Relates to the ES2019 SpecRelates to the ES2019 Spec

FixedA PR has been merged for this issueA PR has been merged for this issue

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

Status: Closed (completed).

#31225 In microsoft/TypeScript;

· by thw0rted was closed on Dec 15, 2020

Cannot run 'convert to named parameters' refactoring for method implementing an interface

BugA bug in TypeScriptA bug in TypeScript

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

VS Code PriorityCritical issues that VS Code needs fixed in the current TypeScript milestoneCritical issues that VS Code needs fixed in the current TypeScript milestone

Status: Closed (completed).

#30418 In microsoft/TypeScript;

· by mjbvz was closed on Feb 9, 2021

Destructuring array polyfill isn't equivalent to new JS

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

Needs InvestigationThis issue needs a team member to investigate its status.This issue needs a team member to investigate its status.

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

Status: Closed (completed).

#32959 In microsoft/TypeScript;

· by Validark was closed on Jan 6, 2021

JS Doc parameter comment description drops leading star

BugA bug in TypeScriptA bug in TypeScript

Domain: LS: Quick Infoe.g. hover text, tool-tips, and tooltips.e.g. hover text, tool-tips, and tooltips.

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

VS Code PriorityCritical issues that VS Code needs fixed in the current TypeScript milestoneCritical issues that VS Code needs fixed in the current TypeScript milestone

Status: Closed (completed).

#33386 In microsoft/TypeScript;

· by mjbvz was closed on Jan 25, 2021

Using object destructuring with ECMAScript's private field as computed property name leads to runtime error

BugA bug in TypeScriptA bug in TypeScript

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

Has ReproThis issue has compiler-backed repros: https://aka.ms/ts-reprosThis issue has compiler-backed repros: https://aka.ms/ts-repros

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

Status: Closed (completed).

#37791 In microsoft/TypeScript;

· by adamgauthier was closed on Jan 4, 2021

Debug Failure. Did not expect ClassDeclaration to have an Identifier in its trivia

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: LS: TSServerIssues related to the TSServerIssues related to the TSServer

Status: Closed (completed).

#35133 In microsoft/TypeScript;

· by mjbvz was closed on Jan 23, 2021

System or AMD module with outFile and dynamic import incorrect

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

Needs InvestigationThis issue needs a team member to investigate its status.This issue needs a team member to investigate its status.

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

Status: Closed (completed).

#37429 In microsoft/TypeScript;

· by kitsonk was closed on Jan 4, 2021

User/docker tests broken with duplicate identifier IteratorResult

BugA bug in TypeScriptA bug in TypeScript

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

Status: Closed (completed).

#32333 In microsoft/TypeScript;

· by sandersn was closed on Dec 16, 2020

Iterator result of Iterable or AsyncIterable inferred to any

DuplicateAn existing issue was already createdAn existing issue was already created

Status: Closed (completed).

#33932 In microsoft/TypeScript;

· by ikokostya was closed on Dec 16, 2020

Nested conditional types and generics, testing type equality evaluating to incorrect branch

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

Needs InvestigationThis issue needs a team member to investigate its status.This issue needs a team member to investigate its status.

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

Status: Closed (completed).

#37314 In microsoft/TypeScript;

· by AnyhowStep was closed on Jan 27, 2021

TS2589: Type instantiation is excessively deep and possibly infinite caused by non recursive generics when using "npm link"

Needs InvestigationThis issue needs a team member to investigate its status.This issue needs a team member to investigate its status.

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

Status: Closed (completed).

#37209 In microsoft/TypeScript;

· by plastikfan was closed on Jan 27, 2021

Cannot find name 'Iterable' when including ES2015.Promise

BugA bug in TypeScriptA bug in TypeScript

FixedA PR has been merged for this issueA PR has been merged for this issue

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

Status: Closed (completed).

#37680 In microsoft/TypeScript;

· by ststeiger was closed on Dec 16, 2020

.map() .reduce() .filter() methods fail with "This expression is not callable." error on valid array with union type

Experience EnhancementNoncontroversial enhancementsNoncontroversial enhancements

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

SuggestionAn idea for TypeScriptAn idea for TypeScript

Status: Closed (completed).

#36390 In microsoft/TypeScript;

· by IvanKalinin was closed on Dec 16, 2020

Unexpected very poor performance

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

Needs InvestigationThis issue needs a team member to investigate its status.This issue needs a team member to investigate its status.

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

Status: Closed (completed).

#38970 In microsoft/TypeScript;

· by CyberPhoenix90 was closed on Feb 24, 2021

Plugin create and onConfigurationChanged config-confusion

DuplicateAn existing issue was already createdAn existing issue was already created

Needs InvestigationThis issue needs a team member to investigate its status.This issue needs a team member to investigate its status.

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

Status: Closed (completed).

#37470 In microsoft/TypeScript;

· by neurolag was closed on Jan 5, 2021

No error is reported in local code base when destructing undefined while using downlevelIteration, but an error is reported in TypeScript Playground with same tsconfig

BugA bug in TypeScriptA bug in TypeScript

Has ReproThis issue has compiler-backed repros: https://aka.ms/ts-reprosThis issue has compiler-backed repros: https://aka.ms/ts-repros

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

Status: Closed (completed).

#34956 In microsoft/TypeScript;

· by mrttrifork was closed on Dec 16, 2020