A repro example of tsup option for resolving type defs not working.
See src/index.ts file, which is simply exporting the types from an external package.
Build:
$> npm run build
> tsup-dts-resolve@1.0.0 build
> tsup
CLI Building entry: src/index.ts
CLI Using tsconfig: tsconfig.json
CLI tsup v7.2.0
CLI Using tsup config: /.../tsup-dts-resolve/tsup.config.ts
CLI Target: es2020
CLI Cleaning output folder
CJS Build start
CJS lib/index.js 1.03 KB
CJS ⚡️ Build success in 5ms
DTS Build start
DTS ⚡️ Build success in 369ms
DTS lib/index.d.ts 126.00 B
> tsup-dts-resolve@1.0.0 postbuild
> cat lib/index.d.ts
// test
import { DependencyType } from '@changesets/types';
type MyDependencyType = DependencyType;
declare const config: MyDependencyType;
export { MyDependencyType, config };