Zoltan Kochan
b1094872fa
The completion server previously offered only candidates from clap's command and option definitions, leaving the run script position empty. Initialize clap metadata before scanning boolean options and register the run-script alias. Track positional arguments and directory options in the completion context. Reuse the npm project prefix lookup and manifest reader to return sorted script names. Share workspace-root lookup with command execution, preserve explicit directories, and respect equals-only options. Escape zsh candidate separators after prefix filtering. Read manifests only at the run script position, before configuration or hooks are initialized, and propagate malformed manifest errors. The missing-script regression affects v12 only. The TypeScript v11 implementation already reads scripts from the project manifest. A related Bash glob expansion bug affects both versions and is fixed in both generated scripts. Preserve candidate lines without splitting or pathname expansion, quote Bash candidates for insertion, escape PowerShell candidate syntax, and normalize its quoted prefixes. Reuse the short-option scanner so combined directory and workspace-root flags select the same project as command execution. Closes pnpm/pnpm#15034.
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Fast, disk space efficient package manager:
- Fast. Up to 2x faster than the alternatives (see benchmark).
- Efficient. Files inside
node_modulesare 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 runtime.
- Works everywhere. Supports Windows, Linux, and macOS.
- Battle-tested. Used in production by teams of all sizes since 2016.
- Experimental Rust port. Includes pacquet, an experimental port of the CLI written in Rust.
- 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 updatewill 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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Getting Started
Benchmark
pnpm is up to 2x faster than npm and Yarn classic. See all benchmarks here.
Benchmarks on an app with lots of dependencies:
License
MIT, except the pnpr/ directory, which is source-available under the PolyForm Shield License 1.0.0.