Support pnpm workspaces

[kachkaev]

Tell us more.

This feature request is similar to #20324 (fixed in #20420).

Unlike yarn and npm, pnpm relies on pnpm-workspace.yaml as a source of truth for monorepo workspaces. Usage of package.json → workspaces is not supported (pnpm/pnpm#2255).

I created packages/@local/eslint-config and packages/@local/eslint-config in a private monoepo. These folders define two private packages named "@local/eslint-config" and "@local/tsconfig". Two other workspaces (in apps/*) declare @local/* packages as devDependencies.

The setup is working, but Renovate Dashboard shows this now:

---

Warning

Renovate failed to look up the following dependencies: Failed to look up npm package @local/eslint-config, Failed to look up npm package @local/tsconfig.

Files affected: apps/a/package.json, apps/b/package.json

---

My pnpm-workspaces.yaml contains the following:

packages:
  - apps/*
  - packages/*
  - packages/@local/*

The issue is non-blocking, i.e. it does not break anything. The warning is a bit confusing but folks can live with it.

Hope that getting the list of workspaces from pnpm-workspace.yaml is not too hard given that #20420 is already working. Happy to help with testing. Renovate rocks! 💯

---

UPD: Reproduction:

• Repo: kachkaev/renovate-pnpm-monorepo-mwe
• Renovate Dashboard with a warning: Dependency Dashboard kachkaev/renovate-pnpm-monorepo-mwe#1
• Renovate PR with a warning: Update dependency eslint to v8.57.0 - autoclosed kachkaev/renovate-pnpm-monorepo-mwe#2

[github-actions[bot]]

Hi there,

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The Renovate team

[rarkins]

We need a reproduction which demonstrates the scenario which fails today and would be fixed by supporting workspaces

[kachkaev]

Yep, here it is:

• Repo: kachkaev/renovate-pnpm-monorepo-mwe
• Renovate Dashboard with a warning: Dependency Dashboard kachkaev/renovate-pnpm-monorepo-mwe#1
• Renovate PR with a warning: Update dependency eslint to v8.57.0 - autoclosed kachkaev/renovate-pnpm-monorepo-mwe#2

[rarkins]

Thanks, I have converted this to an issue: #25335