It is not possible to build publishable library with rollup after 22.4.0

[MiroslavKral]

Current Behavior

After 22.4.0 and converting postcss rollup plugin into internal Nx plugin (there #34110), it is not possible to build publishable library. Error is about CSS and SCSS processing. I explored Nx rollup withNx method in rollup.config.cjs and postcss plugin is specified there. Linked repo uses latest Nx 22.7.5.

Expected Behavior

Publishable library build should work the same as before 22.4.0 postcss plugin changes.

GitHub Repo

https://github.com/MiroslavKral/nx-react-2275

Steps to Reproduce

1. Checkout repo
2. Install dependencies with npm
3. Build library with npx nx run @test/ui:build

Nx Report

Node           : 22.21.1
OS             : darwin-arm64
Native Target  : aarch64-macos
npm            : 10.9.4
daemon         : Available

nx                     : 22.7.5
@nx/js                 : 22.7.5
@nx/eslint             : 22.7.5
@nx/workspace          : 22.7.5
@nx/jest               : 22.7.5
@nx/cypress            : 22.7.5
@nx/devkit             : 22.7.5
@nx/eslint-plugin      : 22.7.5
@nx/module-federation  : 22.7.5
@nx/react              : 22.7.5
@nx/rollup             : 22.7.5
@nx/vite               : 22.7.5
@nx/vitest             : 22.7.5
@nx/web                : 22.7.5
@nx/webpack            : 22.7.5
typescript             : 5.9.3
---------------------------------------
Registered Plugins:
@nx/js/typescript
@nx/webpack/plugin
@nx/eslint/plugin
@nx/cypress/plugin
@nx/jest/plugin
@nx/rollup/plugin
---------------------------------------
Cache Usage: 0.00 B / 46.04 GB

Failure Logs

Executing task: npx nx run @test/ui:build 


> nx run @test/ui:build

> rollup -c rollup.config.cjs


/Users/miroslav/Development/nx-react-2275/libs/test-lib/src/index.ts → dist...
[!] RollupError: src/lib/test-lib.module.scss (1:0): Expression expected (Note that you need plugins to import files that are not JavaScript)
src/lib/test-lib.module.scss (1:0)
1: .container {
   ^
2:     display: flex;
3:     flex-direction: column;
    at Object.getRollupError (/Users/miroslav/Development/nx-react-2275/node_modules/rollup/dist/shared/parseAst.js:289:41)
    at ParseError.initialise (/Users/miroslav/Development/nx-react-2275/node_modules/rollup/dist/shared/rollup.js:16419:40)
    at convertNode (/Users/miroslav/Development/nx-react-2275/node_modules/rollup/dist/shared/rollup.js:18395:10)
    at convertProgram (/Users/miroslav/Development/nx-react-2275/node_modules/rollup/dist/shared/rollup.js:17631:12)
    at Module.setSource (/Users/miroslav/Development/nx-react-2275/node_modules/rollup/dist/shared/rollup.js:19367:24)
    at ModuleLoader.addModuleSource (/Users/miroslav/Development/nx-react-2275/node_modules/rollup/dist/shared/rollup.js:23127:13)
  [cause] RollupError: Expression expected
      at Object.getRollupError (/Users/miroslav/Development/nx-react-2275/node_modules/rollup/dist/shared/parseAst.js:289:41)
      at ParseError.initialise (/Users/miroslav/Development/nx-react-2275/node_modules/rollup/dist/shared/rollup.js:16419:40)
      at convertNode (/Users/miroslav/Development/nx-react-2275/node_modules/rollup/dist/shared/rollup.js:18395:10)
      at convertProgram (/Users/miroslav/Development/nx-react-2275/node_modules/rollup/dist/shared/rollup.js:17631:12)
      at Module.setSource (/Users/miroslav/Development/nx-react-2275/node_modules/rollup/dist/shared/rollup.js:19367:24)
      at ModuleLoader.addModuleSource (/Users/miroslav/Development/nx-react-2275/node_modules/rollup/dist/shared/rollup.js:23127:13)

Package Manager Version

No response

Operating System

• macOS
• Linux
• Windows
• Other (Please specify)

Additional Information

No response