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* fix: parse bare color as boolean flag Bare --color was treated as an enum-only option, so nopt could consume the following flag as its value. This prevented command-specific shorthands such as run --parallel from expanding when --color preceded them. Accept boolean values for the color option, and add parser/config regression coverage for the shorthand case. Co-authored-by: OpenAI Codex <codex@openai.com> * test: remove tautological color type metadata test Per review feedback, the assertion only restated the type metadata; the behavior is already covered by the parser regression test and the color-normalization test. * fix: keep with current dispatch working after a boolean global flag Bare `--color` now parses as a boolean flag, which enables forms like `pnpm --color with current <cmd>`. The `with current` rewrite skipped any occurrence whose preceding token was a long flag without `=`, assuming it consumed `with` as its value. For boolean flags that is wrong, so the lookup returned -1 and pnpm threw MISSING_WITH_CURRENT_CMD. Skip only when the preceding long option actually takes a value, based on the option type metadata; boolean flags and `--no-` negations no longer hide the command. --------- Co-authored-by: OpenAI Codex <codex@openai.com> Co-authored-by: Zoltan Kochan <z@kochan.io>
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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.
- 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.