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[isolatedDeclarations] function expressions as an argument to a function call that is exported are reported as needing an annotation

Domain: flag: isolatedDeclarationsRelated to the --isolatedDeclarations compiler flagRelated to the --isolatedDeclarations compiler flag

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

Help WantedYou can do thisYou can do this

Possible ImprovementThe current behavior isn't wrong, but it's possible to see that it might be better in some casesThe current behavior isn't wrong, but it's possible to see that it might be better in some cases

Status: Open.

#62085 In microsoft/TypeScript;

· bradzacher opened on Jul 17, 2025

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Backlog

Preserve computed property in <code>--isolatedDeclarations</code> emit

BugA bug in TypeScriptA bug in TypeScript

Domain: flag: isolatedDeclarationsRelated to the --isolatedDeclarations compiler flagRelated to the --isolatedDeclarations compiler flag

Help WantedYou can do thisYou can do this

Status: Open.

#61892 In microsoft/TypeScript;

· acutmore opened on Jun 18, 2025

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Backlog

[isolatedDeclarations] Type of const variable declared with template literal expression containing only literals still requires explicit annotation

Domain: flag: isolatedDeclarationsRelated to the --isolatedDeclarations compiler flagRelated to the --isolatedDeclarations compiler flag

Help WantedYou can do thisYou can do this

Possible ImprovementThe current behavior isn't wrong, but it's possible to see that it might be better in some casesThe current behavior isn't wrong, but it's possible to see that it might be better in some cases

Status: Open.

#59157 In microsoft/TypeScript;

· MichaelMitchell-at opened on Jul 6, 2024

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Backlog

[isolatedDeclarations] Add a syntactic form of computed property name which is always emitted as a computed property name

Domain: flag: isolatedDeclarationsRelated to the --isolatedDeclarations compiler flagRelated to the --isolatedDeclarations compiler flag

Status: Open.

#58800 In microsoft/TypeScript;

· weswigham opened on Jun 7, 2024

Isolated declarations uses type information when emitting computed object keys

Domain: Declaration EmitThe issue relates to the emission of d.ts filesThe issue relates to the emission of d.ts files

Domain: flag: isolatedDeclarationsRelated to the --isolatedDeclarations compiler flagRelated to the --isolatedDeclarations compiler flag

Possible ImprovementThe current behavior isn't wrong, but it's possible to see that it might be better in some casesThe current behavior isn't wrong, but it's possible to see that it might be better in some cases

Status: Open.

#58533 In microsoft/TypeScript;

· lucacasonato opened on May 14, 2024

Isolated declarations does not handle object getters and setters with different types

Domain: Declaration EmitThe issue relates to the emission of d.ts filesThe issue relates to the emission of d.ts files

Domain: flag: isolatedDeclarationsRelated to the --isolatedDeclarations compiler flagRelated to the --isolatedDeclarations compiler flag

Experience EnhancementNoncontroversial enhancementsNoncontroversial enhancements

Status: Open.

#58531 In microsoft/TypeScript;

· lucacasonato opened on May 14, 2024

Issues with <code>isolatedDeclarations</code> and the associated fixes in editor

Domain: flag: isolatedDeclarationsRelated to the --isolatedDeclarations compiler flagRelated to the --isolatedDeclarations compiler flag

Status: Open.

#58426 In microsoft/TypeScript;

· ssalbdivad opened on May 3, 2024

[isolatedDeclarations][5.5] Type annotations needed for literals containing enum values

Awaiting More FeedbackThis means we'd like to hear from more people who would be helped by this featureThis means we'd like to hear from more people who would be helped by this feature

Domain: API: ts.transpileDeclarationIssues regarding the transpileDeclaration API, which do not reproduce without itIssues regarding the transpileDeclaration API, which do not reproduce without it

Domain: flag: isolatedDeclarationsRelated to the --isolatedDeclarations compiler flagRelated to the --isolatedDeclarations compiler flag

SuggestionAn idea for TypeScriptAn idea for TypeScript

Status: Open.

#58394 In microsoft/TypeScript;

· MichaelMitchell-at opened on May 1, 2024

[ID] <code>--isolatedDeclarations</code> disallows <code>const</code> initialized with a regex literal

BugA bug in TypeScriptA bug in TypeScript

Domain: flag: isolatedDeclarationsRelated to the --isolatedDeclarations compiler flagRelated to the --isolatedDeclarations compiler flag

Help WantedYou can do thisYou can do this

Status: Open.

#58383 In microsoft/TypeScript;

· Conaclos opened on May 1, 2024

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Backlog

<code>--isolatedDeclarations</code> allows generator functions

BugA bug in TypeScriptA bug in TypeScript

Domain: flag: isolatedDeclarationsRelated to the --isolatedDeclarations compiler flagRelated to the --isolatedDeclarations compiler flag

Help WantedYou can do thisYou can do this

Status: Open.

#58334 In microsoft/TypeScript;

· lucacasonato opened on Apr 26, 2024

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Backlog

[ID-Prep] Explicit type annotation of const replaced with initializer in declaration emit

Domain: flag: isolatedDeclarationsRelated to the --isolatedDeclarations compiler flagRelated to the --isolatedDeclarations compiler flag

Help WantedYou can do thisYou can do this

Possible ImprovementThe current behavior isn't wrong, but it's possible to see that it might be better in some casesThe current behavior isn't wrong, but it's possible to see that it might be better in some cases

Status: Open.

#57442 In microsoft/TypeScript;

· dragomirtitian opened on Feb 19, 2024

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Backlog

[ID-Prep] Type of variable is widened in declaration with !strictNullChecks

Domain: flag: isolatedDeclarationsRelated to the --isolatedDeclarations compiler flagRelated to the --isolatedDeclarations compiler flag

Help WantedYou can do thisYou can do this

Possible ImprovementThe current behavior isn't wrong, but it's possible to see that it might be better in some casesThe current behavior isn't wrong, but it's possible to see that it might be better in some cases

Status: Open.

#57441 In microsoft/TypeScript;

· dragomirtitian opened on Feb 19, 2024

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Backlog