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Stars 27,562

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Forks 909

Last Commit 5 days ago

Description

pnpm uses hard links and symlinks to save one version of a module only ever once on a disk. When using npm or Yarn for example, if you have 100 projects using the same version of lodash, you will have 100 copies of lodash on disk. With pnpm, lodash will be saved in a single place on the disk and a hard link will put it into the node_modules where it should be installed.

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: Why should we use pnpm? https://www.kochan.io/nodejs/why-should-we-use-pnpm.html

Monthly Downloads: 0

Programming language: TypeScript

License: MIT License

Tags: Package Managers Nodejs Modules JavaScript Dependency Fast NPM Package.json Package Manager Install Dependency Manager Installer Uninstall Remove Link Prune Shrinkwrap Lockfile Rapid Efficient Packages Dependencies Symlinks Hardlinks

Latest version: v5.5.12

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Bower

8.7 0.0 L4 pnpm VS Bower

A package manager for the web
component

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jspm

5.5 2.4 L2 pnpm VS jspm

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Duo

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Next-generation package manager that blends the best ideas from Component, Browserify and Go to make organizing and writing front-end code quick and painless.
volo

3.9 0.0 L2 pnpm VS volo

Create front end projects from templates, add dependencies, and automate the resulting projects
Ender

3.9 0.0 L5 pnpm VS Ender

the no-library library: open module JavaScript framework
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3.8 0.0 L5 pnpm VS jam

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Brand new static package manager.
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1.6 0.0 L5 pnpm VS Refraction

A guard that represents a central point of control in your application

* Code Quality Rankings and insights are calculated and provided by Lumnify.
They vary from L1 to L5 with "L5" being the highest.

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README

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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 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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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:

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.
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 additional disk space. Linking is performed using either hard-links or reflinks (copy-on-write).

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.

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