[dinwwwh]

Problem

Six re-exports used export type for something that is a runtime value:

Entry point	Symbol	Kind	Re-exported from
@orpc/server	ProcedureContract	class	@orpc/contract
@orpc/contract	AsyncIteratorClass	class	@orpc/shared
@orpc/publisher	AsyncIteratorClass	class	@orpc/shared
@orpc/openapi	OpenAPIV3_0, OpenAPIV3_1, OpenAPIV3_2	module namespaces	@openapi-spec/types

The bundled .d.mts drops the type modifier, so each one is declared as a value export (declare class … / import * as … plus export { … }). The runtime module did not export them. As a result, these type-check but crash when the module loads:

• a value use such as x instanceof ProcedureContract;
• under verbatimModuleSyntax, even an import without type that is used only in type positions. That combination is common, for example in Vite's templates.

import { ProcedureContract } from '@orpc/server' // tsc: OK
// node: SyntaxError: The requested module '@orpc/server' does not provide an export named 'ProcedureContract'

The OpenAPIV3_x namespaces are affected the same way. The repo's lint rule tells users to get them from @orpc/* rather than @openapi-spec/types.

Fix

Re-export them as values so the runtime matches the declarations:

• @orpc/server: ProcedureContract moves into the value export { … } from '@orpc/contract' list.
• @orpc/contract, @orpc/publisher: export { AsyncIteratorClass } from '@orpc/shared'.
• @orpc/openapi: types.ts imports the three namespaces with import * as and re-exports them with a plain export { … }.

Nothing new becomes public:

• ProcedureContract is already a value export of @orpc/contract.
• AsyncIteratorClass is already a value export of @orpc/client and @orpc/server; these re-exports are the same class object.
• The @openapi-spec/types modules are empty (1 byte) at runtime and were already a runtime dependency of @orpc/openapi.

The emitted .d.mts declarations do not change.

Verification

• Every export type re-export of a runtime value, across all entry points of every package, was found with the TypeScript checker. These six are the complete list.
• pnpm lint, pnpm type:check (including the playgrounds and @orpc/nest), the tests of the touched and dependent packages, and pnpm docs:validate pass.
• Every package was packed from main and from this branch. On each of the 72 entry points, the names the .d.mts exports as values were compared with the runtime module's exports:
  • on main: the six names above are missing at runtime;
  • on this branch: nothing is missing.
  • @orpc/next and @orpc/cloudflare cannot load in plain Node, so their runtime exports could not be compared; they have no affected re-exports.
• No type referenced by a package's public declarations became unnameable for consumers.

---

Generated by Claude Code

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Status	Name	Latest Commit	Preview URL	Updated (UTC)
✅ Deployment successful! View logs	orpc	494334c	Commit Preview URL Branch Preview URL	Oct 24 2026, 01:33 PM

[codspeed]

Merging this PR will not alter performance

1 warning

⚠️ 5 benchmarks are dominated by system calls

System calls cannot be simulated consistently and are left out of the measure. The reported value understates the real cost. Switch to the Walltime instrument to measure them.

Learn more about system calls

See affected benchmarks

✅ 28 untouched benchmarks
⏩ 2 skipped benchmarks¹

---

_{Comparing claude/fix-type-only-class-reexports (494334c) with main (72feedb)}

Footnotes

1. 2 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩

[pkg-pr-new]

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commit: 494334c

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

📢 Thoughts on this report? Let us know!

[pullfrog]

✅ No new issues found.

Reviewed changes

• @orpc/server — ProcedureContract moved out of the type-only @orpc/contract re-export list into the value export { … } from '@orpc/contract' list.
• @orpc/contract / @orpc/publisher — AsyncIteratorClass re-exported from @orpc/shared as a value instead of export type.
• @orpc/openapi — OpenAPIV3_0/1/2 switched from import type * as + export type to import * as + export, so the namespaces exist at runtime.

I reproduced the defect independently: reverting only the @orpc/contract index change and rebuilding produces a dist/index.d.mts that declares export { AsyncIteratorClass, … } as a value while dist/index.mjs exports nothing by that name — exactly the dts/runtime split described. On the branch, the built .mjs for all four packages exports the six names, and the .d.mts declarations are unchanged in what they expose. @openapi-spec/types/v3.x resolves to 1-byte empty .mjs modules, so the namespace re-exports safely yield {} at runtime, and the package was already a declared dependency. I also swept every export type in packages/*/src — all remaining ones are genuine type aliases/interfaces/callbacks, no export type * anywhere, so the six listed are the complete set.

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