Pnpm

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<picture> <source media="(prefers-color-scheme: light)" srcset="https://i.imgur.com/qlW1eEG.png"> <source media="(prefers-color-scheme: dark)" srcset="https://i.imgur.com/qlW1eEG.png"> <img src="https://i.imgur.com/qlW1eEG.png" alt="pnpm"> </picture>

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 as a Node.js version manager. See pnpm env use.
• Works everywhere. Supports Windows, Linux, and macOS.
• Battle-tested. Used in production by teams of all sizes since 2016.
• See the full feature comparison with npm and Yarn.

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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Platinum Sponsors

<table> <tbody> <tr> <td align="center" valign="middle"> <a href="https://bit.cloud/?utm_source=pnpm&utm_medium=readme" target="_blank"><img src="https://pnpm.io/img/users/bit.svg" width="80" alt="Bit"></a> </td> </tr> </tbody> </table>

Gold Sponsors

<table> <tbody> <tr> <td align="center" valign="middle"> <a href="https://sanity.io/?utm_source=pnpm&utm_medium=readme" target="_blank"> <picture> <source media="(prefers-color-scheme: light)" srcset="https://pnpm.io/img/users/sanity.svg" /> <source media="(prefers-color-scheme: dark)" srcset="https://pnpm.io/img/users/sanity_light.svg" /> <img src="https://pnpm.io/img/users/sanity.svg" width="120" alt="Sanity" /> </picture> </a> </td> <td align="center" valign="middle"> <a href="https://discord.com/?utm_source=pnpm&utm_medium=readme" target="_blank"> <picture> <source media="(prefers-color-scheme: light)" srcset="https://pnpm.io/img/users/discord.svg" /> <source media="(prefers-color-scheme: dark)" srcset="https://pnpm.io/img/users/discord_light.svg" /> <img src="https://pnpm.io/img/users/discord.svg" width="220" alt="Discord" /> </picture> </a> </td> <td align="center" valign="middle"> <a href="https://vite.dev/?utm_source=pnpm&utm_medium=readme" target="_blank"><img src="https://pnpm.io/img/users/vitejs.svg" width="42" alt="Vite"></a> </td> </tr> <tr> <td align="center" valign="middle"> <a href="https://serpapi.com/?utm_source=pnpm&utm_medium=readme" target="_blank"> <picture> <source media="(prefers-color-scheme: light)" srcset="https://pnpm.io/img/users/serpapi_dark.svg" /> <source media="(prefers-color-scheme: dark)" srcset="https://pnpm.io/img/users/serpapi_light.svg" /> <img src="https://pnpm.io/img/users/serpapi_dark.svg" width="160" alt="SerpApi" /> </picture> </a> </td> <td align="center" valign="middle"> <a href="https://coderabbit.ai/?utm_source=pnpm&utm_medium=readme" target="_blank"> <picture> <source media="(prefers-color-scheme: light)" srcset="https://pnpm.io/img/users/coderabbit.svg" /> <source media="(prefers-color-scheme: dark)" srcset="https://pnpm.io/img/users/coderabbit_light.svg" /> <img src="https://pnpm.io/img/users/coderabbit.svg" width="220" alt="CodeRabbit" /> </picture> </a> </td> <td align="center" valign="middle"> <a href="https://stackblitz.com/?utm_source=pnpm&utm_medium=readme" target="_blank"> <picture> <source media="(prefers-color-scheme: light)" srcset="https://pnpm.io/img/users/stackblitz.svg" /> <source media="(prefers-color-scheme: dark)" srcset="https://pnpm.io/img/users/stackblitz_light.svg" /> <img src="https://pnpm.io/img/users/stackblitz.svg" width="190" alt="Stackblitz" /> </picture> </a> </td> </tr> <tr> <td align="center" valign="middle"> <a href="https://workleap.com/?utm_source=pnpm&utm_medium=readme" target="_blank"> <picture> <source media="(prefers-color-scheme: light)" srcset="https://pnpm.io/img/users/workleap.svg" /> <source media="(prefers-color-scheme: dark)" srcset="https://pnpm.io/img/users/workleap_light.svg" /> <img src="https://pnpm.io/img/users/workleap.svg" width="190" alt="Workleap" /> </picture> </a> </td> <td align="center" valign="middle"> <a href="https://nx.dev/?utm_source=pnpm&utm_medium=readme" target="_blank"> <picture> <source media="(prefers-color-scheme: light)" srcset="https://pnpm.io/img/users/nx.svg" /> <source media="(prefers-color-scheme: dark)" srcset="https://pnpm.io/img/users/nx_light.svg" /> <img src="https://pnpm.io/img/users/nx.svg" width="50" alt="Nx" /> </picture> </a> </td> </tr> </tbody> </table>

Silver Sponsors

<table> <tbody> <tr> <td align="center" valign="middle"> <a href="https://replit.com/?utm_source=pnpm&utm_medium=readme" target="_blank"> <picture> <source media="(prefers-color-scheme: light)" srcset="https://pnpm.io/img/users/replit.png" /> <source media="(prefers-color-scheme: dark)" srcset="https://pnpm.io/img/users/replit_light.png" /> <img src="https://pnpm.io/img/users/replit.png" width="140" alt="Replit" /> </picture> </a> </td> <td align="center" valign="middle"> <a href="https://cybozu.co.jp/?utm_source=pnpm&utm_medium=readme" target="_blank"><img src="https://pnpm.io/img/users/cybozu.svg" width="70" alt="Cybozu"></a> </td> <td align="center" valign="middle"> <a href="https://devowl.io/?utm_source=pnpm&utm_medium=readme" target="_blank"><img src="https://pnpm.io/img/users/devowlio.svg" width="100" alt="devowl.io"></a> </td> </tr> <tr> <td align="center" valign="middle"> <a href="https://uscreen.de/?utm_source=pnpm&utm_medium=readme" target="_blank"> <picture> <source media="(prefers-color-scheme: light)" srcset="https://pnpm.io/img/users/uscreen.svg" /> <source media="(prefers-color-scheme: dark)" srcset="https://pnpm.io/img/users/uscreen_light.svg" /> <img src="https://pnpm.io/img/users/uscreen.svg" width="180" alt="u|screen" /> </picture> </a> </td> <td align="center" valign="middle"> <a href="https://www.leniolabs.com/?utm_source=pnpm&utm_medium=readme" target="_blank"><img src="https://pnpm.io/img/users/leniolabs.jpg" width="40" alt="Leniolabs_"></a> </td> <td align="center" valign="middle"> <a href="https://depot.dev/?utm_source=pnpm&utm_medium=readme" target="_blank"> <picture> <source media="(prefers-color-scheme: light)" srcset="https://pnpm.io/img/users/depot.svg" /> <source media="(prefers-color-scheme: dark)" srcset="https://pnpm.io/img/users/depot_light.svg" /> <img src="https://pnpm.io/img/users/depot.svg" width="100" alt="Depot" /> </picture> </a> </td> </tr> <tr> <td align="center" valign="middle"> <a href="https://cerbos.dev/?utm_source=pnpm&utm_medium=readme" target="_blank"> <picture> <source media="(prefers-color-scheme: light)" srcset="https://pnpm.io/img/users/cerbos.svg" /> <source media="(prefers-color-scheme: dark)" srcset="https://pnpm.io/img/users/cerbos_light.svg" /> <img src="https://pnpm.io/img/users/cerbos.svg" width="90" alt="Cerbos" /> </picture> </a> </td> <td align="center" valign="middle"> <a href="https://time.now/?utm_source=pnpm&utm_medium=readme" target="_blank">⏱️ Time.now</a> </td> </tr> </tbody> </table> <!-- sponsors end -->

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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, 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 linked from that single place consuming no add