pnpm is a fast, disk space efficient package manager for JavaScript projects. It uses a unique approach to package management by leveraging hard links and symlinks to reduce the disk space usage and speed up installation times. pnpm also provides features like parallel installation and atomic updates to ensure efficient package management.
While pnpm offers a different approach to package management, there are other popular package managers in the JavaScript ecosystem. Here are a couple of alternatives:
For a detailed comparison of npm, pnpm, and yarn, check out: Comparing npm vs pnpm vs yarn.
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Fast, disk space efficient package manager:
node_modules
are linked from a single content-addressable storage.package.json
.pnpm-lock.yaml
.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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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:
pnpm update
will only add 1 new file to the storage.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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For installation options visit our website.
Just use pnpm in place of npm/Yarn. E.g., install dependencies via:
pnpm install
For more advanced usage, read pnpm CLI on our website, or run pnpm help
.
pnpm is up to 2x faster than npm and Yarn classic. See all benchmarks here.
Benchmarks on an app with lots of dependencies:
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