Option 'declarationMap' cannot be specified

[JounQin]

• Rollup Plugin Name: @rollup/plugin-typescript
• Rollup Plugin Version: 2.1.0
• Rollup Version: 1.29.0
• Operating System (or Browser): macOS 10.15.2 (19C57)
• Node Version: v12.14.1

There is no error when using rollup-plugin-typescript@1.0.1

How Do We Reproduce?

https://github.com/rx-ts/pkgr/tree/repro/rollup

branch: repro/rollup

run yarn && yarn build:r

Expected Behavior

No Error

Actual Behavior

Error: Error TS5069: Option 'declarationMap' cannot be specified without specifying option 'declaration' or option 'composite'.

[shellscape]

Thanks for the issue. Because of time being in short supply, please break down your reproduction to something more minimal, ideally using the repl.it link provided.

[JounQin]

Hmm... After upgrading to @rollup/plugin-typescript@3.0.0, it works. 😀