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table-core 9.2.5+: private types leak from .d.ts files, declaration emit fails with TS2883

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  • #6620 de @MFA-G — integrado

Avaliação

Dificuldade
3/5
Tempo estimado
1-2 dias
Facilidade para iniciantes
74/100
Tipo de issue
Bug
Clareza
Claramente especificada
Status de atividade
Ativa
Stack de tecnologia
typescript
Domínio
build-system, testing

Direção de pesquisa

Start with scripts/rewrite-table-core-dts.mjs and inspect how it rewrites declaration files; reproduce the failure with the provided TypeScript consumer and package versions. Check the built dist declarations through the package exports map, since tests/declaration-emit imports from src. Done when the consumer declaration emit succeeds and the declaration test covers the built package.

Escrita pelo modelo de indexação a partir do texto da issue.

Descrição

TanStack Table version

@tanstack/table-core 9.2.6 (since 9.2.5; 9.2.4 is fine)

Framework/Library version

TypeScript 6.0.3 (framework-agnostic)

Describe the bug and the steps to reproduce it

Declaration emit in a consumer fails since 9.2.5:

index.ts(3,14): error TS2883: The inferred type of 'min' cannot be named without a reference to 'RangeValue' from './node_modules/@tanstack/table-core/dist/features/row-aggregation/aggregationFns.js'. This is likely not portable. A type annotation is necessary.

npm i @tanstack/[email protected] [email protected], then tsc -p .:

{ "compilerOptions": { "module": "NodeNext", "moduleResolution": "NodeNext", "declaration": true, "emitDeclarationOnly": true, "outDir": "out" } }

import { aggregationFn_min } from '@tanstack/table-core'

export const min = aggregationFn_min

Cause: since 9.2.5 the .d.ts files no longer end with export { … } (rolldown-plugin-dts 0.28.2+ inlines the exports). A declaration file without any export statement makes TypeScript treat every top-level declaration as exported, so private aliases such as RangeValue become referable, but only through a deep path the package exports map blocks. In 9.2.6 that is 24 private declarations across 9 files.

Appending export {}; to aggregationFns.d.ts fixes the repro, and the emitted type inlines (number | Date) | undefined as with 9.2.4.

Suggested fix until the bundler fix lands (sxzz/rolldown-plugin-dts#312, PR sxzz/rolldown-plugin-dts#310): let scripts/rewrite-table-core-dts.mjs append export {}; to declaration files that have no export {…}, export * or export =. tests/declaration-emit imports from src, so a check against the built dist through the package exports would catch this.

Your Minimal, Reproducible Example - (Sandbox Highly Recommended)

Inline above. The TS Playground does not reproduce it: its fetched types ignore the exports map.

Terms & Code of Conduct
  • I agree to follow this project's Code of Conduct
  • I understand that if my bug cannot be reliable reproduced in a debuggable environment, it will probably not be fixed and this issue may even be closed.
Linguagem predominante
TypeScript
Estrelas
28.5k
Forks
3.6k
Merge médio
1d 4h
PRs com merge (30d)
21

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