DevOps · JetBrains plugin
NPM Peer Dependency Companion
FreeNode.js / npm Tooling
Warning icon on a package.json peerDependencies entry whose real installed version (from node_modules) doesn't satisfy the declared semver range: or isn't installed at all. npm's own peer dependency model is opt-in and silent: since npm 7 it auto-installs a compatible peer if it can, but a version mismatch, an unresolved conflict, or a peer installed via a workspace/hoisting quirk all produ
The gap it fixes
A library declares "react": "^18.0.0" as a peer dependency, the project actually has React 17 installed, npm install doesn't fail — and the first real signal is a confusing runtime error deep inside a hooks call, far from the package.json line that's actually wrong.
Facts and pricing
- Category
- DevOps
- Pricing
- Free
- Platform
- IntelliJ-family
- First published
- 2026-08-25
- Marketplace ID
- #33814
- Repository
npm-peer-dependency-companion- Growth
- New listing
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