commonjs plugin should not include .ts extension

[juetan]

Environment

node 20

Reproduction

no

Describe the bug

in /src/builder/rollup.ts file, commonjs should not include .ts extension, is that expected?

Additional context

No response

Logs

No response

[pi0]

no (reproduction please)

[juetan]

no (reproduction please)

https://stackblitz.com/edit/vitejs-vite-z6f6jw?file=build.config.ts

when declaration: true, it build fail. then add rollup.commonjs.extensions，it works.

[pi0]

Thanks for the reproduction. It seems the issue is with dts build step (since we bundle, usually importing ts in cjs context should be also doable)