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pnpm

by pnpm

pnpm /pnpm

πŸ“¦πŸš€ Fast, disk space efficient package manager

8.1K Stars 217 Forks Last release: 4 days ago (v5.3.0) MIT License 5.9K Commits 1.2K Releases

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Fast, disk space efficient package manager:

  • Fast. Up to 2x faster than the alternatives (see benchmark).
  • Efficient. Files inside
    node\_modules
    are linked from a single content-addressable storage.
  • Great for monorepos.
  • Strict. A package can access only dependencies that are specified in its
    package.json
    .
  • Deterministic. Has a lockfile called
    pnpm-lock.yaml
    .
  • Works everywhere. Supports Windows, Linux, and macOS.
  • Battle-tested. Used in production by teams of all sizes since 2016.

To quote the Rush team:

Microsoft uses pnpm in Rush repos with hundreds of projects and hundreds of PRs per day, and we’ve found it to be very fast and reliable.

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Background

pnpm uses a content-addressable filesystem to store all files from all module directories on a disk. When using npm or Yarn, if you have 100 projects using lodash, you will have 100 copies of lodash on disk. With pnpm, lodash will be stored in a content-addressable storage, so:

  1. If you depend on different versions of lodash, only the files that differ are added to the store. If lodash has 100 files, and a new version has a change only in one of those files,
    pnpm update
    will only add 1 new file to the storage.
  2. All the files are saved in a single place on the disk. When packages are installed, their files are hard-linked from that single place consuming no additional disk space.

As a result, you save gigabytes of space on your disk and you have a lot faster installations! If you'd like more details about the unique

node\_modules

structure that pnpm creates and why it works fine with the Node.js ecosystem, read this small article: Flat node_modules is not the only way.

Installation

npm install -g pnpm

For other installation options visit our website.

Usage

Just use pnpm in place of npm/Yarn. E.g., install dependencies via:

pnpm install

Also, pnpx instead of npx:

pnpx create-react-app my-cool-new-app

For more advanced usage, read pnpm CLI on our website, or run

pnpm help

.

Benchmark

pnpm is up to 2x faster than npm and Yarn classic. See all benchmarks here.

Benchmarks on an app with lots of dependencies:

Support

Contributors

This project exists thanks to all the people who contribute. [Contribute].

Backers

Thank you to all our backers! πŸ™ [Become a backer]

Sponsors

Support this project by becoming a sponsor. Your logo will show up here with a link to your website. [Become a sponsor]

License

MIT


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