Next.js bug repro

This repo reproduces a bug introduced in Next.js v9.0.6 and is unfixed in 9.1.1 The bug appears when you try to include files from outside the main next.js project folder

Steps to reproduce

1. Clone the repo
2. cd into [project]/app
3. Run yarn
4. Run yarn dev
5. Load the page and see everything is working nicely
6. Kill the dev server
7. Run yarn add next@9.0.6
8. Run yarn dev
9. Load the page and see the Invalid hook call error