Current Behavior

When creating a buildable Next.js UI library project with Vite, NX will generate a libs/[project]/src/server.ts file "to export React server components" from.

Contents of libs/[project]/src/server.ts:

// Use this file to export React server components
export * from './lib/hello-server';

The only issue with this is that currently, by default no entry points are setup in the project's package.json and vite.config.ts files. With this misconfiguration, server components cannot be imported into other projects within the mono-repo unless they are exported from the libs/[project]/src/index.ts file -- but this one states that it should be reserved for components that use the "use client" directive explicitly.

Contents of libs/[project]/src/index.ts:

// Use this file to export React client components (e.g. those with 'use client' directive) or other non-server utilities

export * from './lib/client-component';

Expected Behavior

When creating a new buildable Next.js lib (i.e. selecting a bundler), NX will automatically configure entry points for building/bundling/exporting server components in the package.json exports field, and the vite.config.ts config file.

GitHub Repo

https://github.com/jtw-r/nx-vite-next-bug

Steps to Reproduce

Check lib build output:

1. Open attached repo
2. Run npm i && npx nx build buildable-ui
3. Run cd libs/buildable-ui/dist && ls
4. See how there is no built server.mjs entry point file

--
Try to import the hello-server component in the website app project:

1. Open apps/website/app/page.tsx
2. Try to import the HelloServer component from the monorepo's @nx-vite-next-bug/buildable-ui library.

Nx Report

Node           : 20.11.0
OS             : darwin-arm64
Native Target  : aarch64-macos
npm            : 10.2.4

nx (global)            : 20.3.0
nx                     : 21.1.2
@nx/js                 : 21.1.2
@nx/eslint             : 21.1.2
@nx/workspace          : 21.1.2
@nx/devkit             : 21.1.2
@nx/module-federation  : 21.1.2
@nx/next               : 21.1.2
@nx/react              : 21.1.2
@nx/vite               : 21.1.2
@nx/web                : 21.1.2
@nx/webpack            : 21.1.2
typescript             : 5.7.3
---------------------------------------
Registered Plugins:
@nx/js/typescript
@nx/next/plugin
@nx/react/router-plugin
@nx/vite/plugin
---------------------------------------
Cache Usage: 1.70 KB / 372.19 GB

Failure Logs

Package Manager Version

No response

Operating System

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

Additional Information

Please backport a fix to NX v20 if possible; my main repo is using this version, but it is present in v21 too.