@repobuddy/rolldown-inline-type-exports

Rolldown plugin that rewrites trailing type exports in .d.ts / .d.mts / .d.cts files back to inline export type form.

Problem

rolldown/tsdown#958: tsdown may emit:

type TersifyOptions = ...
type Tersible<T = unknown> = ...
export { Tersible, TersifyOptions }

Downstream consumers can hit TS2742 ("The inferred type of 'foo' cannot be named without a reference to '.../types.mjs'") when re-exporting inferred return types. Inline exports avoid this:

export type TersifyOptions = ...
export type Tersible<T = unknown> = ...

Usage

import { defineConfig } from 'tsdown'
import { inlineTypeExports } from '@repobuddy/rolldown-inline-type-exports'

export default defineConfig({
  dts: true,
  plugins: [inlineTypeExports()],
})

Upstream

This plugin is a workaround until rolldown-plugin-dts#202 is fixed. It may be deprecated once upstream emits inline exports by default.

License

MIT