ENOENT build error with Vercel + pnpm

What version of Next.js are you using?

10.0.5

What version of Node.js are you using?

14.15.3

What browser are you using?

Edge (Chromium)

What operating system are you using?

macOS

How are you deploying your application?

Vercel

Describe the Bug

Context:

• https://github.com/vercel/next.js/issues/16471#issuecomment-736095201
• https://github.com/vercel/vercel/discussions/3896#discussioncomment-131265
• https://github.com/elliottsj/nextjs-vercel-pnpm-issue

As discussed above and described by @vasiliicuhar here, the latest Next.js does not build on Vercel when using pnpm, due to:

Error: ENOENT: no such file or directory, lstat '/vercel/workpath0/app/url'
--
15:28:10.448 | at realpathSync (fs.js:1643:7)
15:28:10.448 | at handleExternals (/vercel/workpath0/app/node_modules/.pnpm/next@10.0.5_react-dom@17.0.1+react@17.0.1/node_modules/next/dist/build/webpack-config.js:66:21)

Expected Behavior

The error above should not occur, and the project should build successfully.

To Reproduce

A full reproduction is described here: https://github.com/elliottsj/nextjs-vercel-pnpm-issue

[elliottsj]

Looks like this is fixed as of v10.0.6-canary.0 🎉

Successful build after upgrading: https://github.com/elliottsj/nextjs-vercel-pnpm-issue/commit/1474b6fe9fc7bc05e3fe7ce8a0dabb0ae3d57289

[balazsorban44]

This issue has been automatically locked due to no recent activity. If you are running into a similar issue, please create a new issue with the steps to reproduce. Thank you.