About this project
pnpm is a package manager designed for speed and disk space efficiency. Unlike traditional package managers that duplicate dependencies across projects, pnpm stores all files in a single content-addressable storage on the disk and links them into project node_modules using hard-links or reflinks. This approach ensures that if multiple projects use the same version of a package, it is only stored once.
Key capabilities include:
- Efficient Storage: Only files that differ between versions are added to the store, saving significant disk space.
- Strictness: Packages can only access dependencies explicitly specified in their package.json.
- Determinism: Utilizes a pnpm-lock.yaml file to ensure consistent installations.
- Monorepo Support: Built-in features optimized for managing workspaces.
- Runtime Management: Functions as a Node.js version manager.
- Cross-platform: Supports Windows, Linux, and macOS.
- Experimental Rust Port: Includes 'pacquet', a CLI port written in Rust.
Performance benchmarks indicate that pnpm can be up to 2x faster than alternatives like npm and Yarn classic.