pnpm-peer-deduplication-not-working's Introduction

pnpm peer dependency issue reproduction repo

This repository contains two libs and a "service". The common dependency @nestjs/core is installed multiple times, which leads to problems when using the framework.

Run test:

git clone https://github.com/pmb0/pnpm-peer-deduplication-not-working
pnpm i
pnpm test

Expected result: from the point of view of each package, @nestjs/core leads to the same path. But the imports are resolved differently:

-node_modules/.pnpm/@[email protected]_@[email protected]_@[email protected][email protected][email protected]/node_modules/@nestjs/core/index.js
+node_modules/.pnpm/@[email protected]_@[email protected]_@[email protected][email protected][email protected]/node_modules/@nestjs/core/index.js

packages/lib-a/package.json:

{
  "name": "@org/lib-a",
  "version": "1.0.0",
  "devDependencies": {
    "@nestjs/core": "^10.2.5",
    "@nestjs/platform-express": "^10.2.5"
  },
  "peerDependencies": {
    "@nestjs/core": "^10.2.5",
    "@nestjs/platform-express": "^10.2.5"
  }
}

packages/lib-b/package.json:

{
  "name": "@org/lib-b",
  "version": "1.0.0",
  "devDependencies": {
    "@nestjs/core": "^10.2.5",
    "@nestjs/microservices": "^10.2.5"
  },
  "peerDependencies": {
    "@nestjs/core": "^10.2.5",
    "@nestjs/microservices": "^10.2.5"
  }
}

packages/service/package.json:

{
  "name": "@org/service",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "node ."
  },
  "dependencies": {
    "@nestjs/core": "^10.2.5",
    "@nestjs/platform-express": "^10.2.5",
    "@org/lib-a": "workspace:^",
    "@org/lib-b": "workspace:^"
  }
}

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