Rush Lockfile Explorer helps you investigate and solve version conflicts when working in a monorepo that uses the PNPM package manager. It's designed for the Rush build orchestrator, but you can also use it to analyze a standalone PNPM workspace without Rush.

Lockfile Explorer helps with problems such as:

• Understanding why multiple versions of an NPM package are appearing in your node_modules folder
• Tracing dependencies to determine which project caused an NPM package to be installed
• Finding and eliminating "doppelgangers" (multiple installations of the same version of the same package)
• Troubleshooting problems involving peer dependencies

The app is distributed as a regular NPM package. You invoke it from the shell command line, and it launches a Node.js service on http://localhost:

Lockfile Explorer main window

Essentials

• Getting Started installing and using the app
• NPM package: @rushstack/lockfile-explorer
• What's new: CHANGELOG.md
• Source code: github.com/microsoft/rushstack/ apps/lockfile-explorer

Lockfile Explorer is part of the Rush Stack family of open source projects.