Problems witn next 15.3 and internal libs

[gperdomor]

Current Behavior

You can't use internal workspace libs in your next apps... The packages are not resolved

Expected Behavior

The apps should works as expected...

GitHub Repo

https://github.com/gperdomor/nx-next-issue

Steps to Reproduce

1. Create an empty workspace
2. Create a sample js library
3. Create a next app
4. Use the library inside your next app
5. Run the app and open a page... Is working as expected
6. Update next to latest 15.3.0 version (also in package.json from the app folder)
7. Run the app again and open a page... Make sure that runs with next 15.3.0, if not please remove .next folder and node_modules inside your app folder.
8. You will get something like this:

Nx Report

nx report

 NX   Report complete - copy this into the issue template

Node           : 22.14.0
OS             : darwin-x64
Native Target  : x86_64-macos
npm            : 11.3.0

nx (global)            : 20.8.0
nx                     : 20.8.0
@nx/js                 : 20.8.0
@nx/eslint             : 20.8.0
@nx/workspace          : 20.8.0
@nx/devkit             : 20.8.0
@nx/eslint-plugin      : 20.8.0
@nx/module-federation  : 20.8.0
@nx/next               : 20.8.0
@nx/react              : 20.8.0
@nx/vite               : 20.8.0
@nx/web                : 20.8.0
@nx/webpack            : 20.8.0
typescript             : 5.7.3
---------------------------------------
Registered Plugins:
@nx/js/typescript
@nx/vite/plugin
@nx/eslint/plugin
@nx/next/plugin
---------------------------------------
Cache Usage: 0.00 B / 93.15 GB

Failure Logs

nx run website:dev --turbo

> next dev --turbo

   ▲ Next.js 15.3.0 (Turbopack)
   - Local:        http://localhost:3000
   - Network:      http://192.168.1.93:3000

 ✓ Starting...
 ✓ Ready in 2s
 ○ Compiling / ...
 ✓ Compiled / in 1082ms
 ⨯ ./packages/sample-lib/src/index.ts:1:1
Module not found: Can't resolve './lib/sample-lib.js'
> 1 | export * from './lib/sample-lib.js';
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  2 |



https://nextjs.org/docs/messages/module-not-found



./apps/website/src/app/page.tsx:1:1
Export sampleLib doesn't exist in target module
> 1 | import { sampleLib } from '@sandbox/sample-lib';
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  2 | import styles from './page.module.css';
  3 |
  4 | export default function Index() {

The export sampleLib was not found in module [project]/packages/sample-lib/src/index.ts [app-rsc] (ecmascript) <exports>.
The module has no exports at all.
All exports of the module are statically known (It doesn't have dynamic exports). So it's known statically that the requested export doesn't exist.


 ○ Compiling /_error ...
 ✓ Compiled /_error in 1073ms
 GET / 500 in 2421ms

n^C

—————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————

 NX   Successfully ran target dev for project website

Package Manager Version

npm 11.3.0

Operating System

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

Additional Information

No response

[ianldgs]

Out of curiosity: have you tried rspack?

https://github.com/vercel/next.js/blob/canary/examples/with-rspack/next.config.js

[mj-meyer]

can confirm, I'm running into the same issue

[gperdomor]

Any update or workaround for this? 👀