# Install csstree-validator with npm

CSS validator built on csstree. Version 4.0.1 via npm; verified 2024-10-11.

## Install

```sh
sudo av install npm:csstree-validator
```

Additional install commands:

### Portable and language managers

- npm (100%):

```sh
npm install -g csstree-validator
```

  Evidence: local npm package metadata

## Package facts

- **Package key:** npm:csstree-validator
- **Package manager:** npm
- **Package manager page:** <https://www.npmjs.com/package/csstree-validator>
- **Version:** 4.0.1
- **Source summary:** CSS validator built on csstree
- **Homepage:** <https://github.com/csstree/validator#readme>
- **Repository:** <https://github.com/csstree/validator>
- **Upstream docs:** <https://github.com/csstree/validator#readme>
- **License:** MIT
- **Source archive:** <https://registry.npmjs.org/csstree-validator/-/csstree-validator-4.0.1.tgz>
- **Issue tracker:** <https://github.com/csstree/validator/issues>
- **Published:** 2024-10-11T13:49:25.518Z
- **Last updated:** 2024-10-11T13:49:25.518Z
- **Generated:** 2026-08-04T22:13:35+00:00

## Executables

- csstree-validator (cli)
- csstree-validator (alias)

## Dependencies

- clap
- css-tree
- enhanced-resolve

## Build dependencies

- c8
- esbuild
- eslint
- mocha
- rollup

## Install behavior

- Post-install hook: not defined
- Bottle: not available

## Freshness

- Page generated: 2026-08-04
- Package-manager version: 4.0.1
- Package-manager updated: 2024-10-11
- Local data: ok
- Upstream repository: https://github.com/csstree/validator
- warning: The package-manager record has not been updated in over a year.
- info: No cached GitHub release or tag data was available.

## Security Notes

No matching local secret-handling manifest was found for csstree-validator. Package metadata is still published here so future coverage has a stable package URL.


## Source Database Details

- **Source Database:** npm registry
- **Dist Tags:** Latest: 4.0.1
- **Version Count:** 24
- **Maintainers:** lahmatiy
- **Author:** Roman Dvornov
- **Publisher:** lahmatiy
- **Engines:** Node: ^12.20.0 || ^14.13.0 || >=15.0.0, npm: >=7.0.0
- **Integrity:** sha512-ywwDonvo6BuhXkrNSCAW4JLxsNd8HzpOtVVv22W5BNtZNeviZORSOLb7CLskeaKnL9jjvi24kL7UNh5m52ygpw==
- **Shasum:** 58efb281cb87b06b1006283dc98785d8a186ca10
- **Unpacked Size:** 426,748
- **File Count:** 0
- **Created At:** 2016-09-16T23:17:48.640Z
- **Latest Published At:** 2024-10-11T13:49:25.518Z
- **Modified At:** 2024-10-11T13:49:25.692Z


## Related links

- [Web development packages](https://pkg.so/web-dev-tools/) - Matched curated package taxonomy and local package facts.
- [ember-template-recast](https://pkg.so/npm/ember-template-recast/) - Local package facts share a topical domain. Shared terms: cli, developer, developer-tools, frontend, syntax.
- [happy-css-modules](https://pkg.so/npm/happy-css-modules/) - Local package facts share a topical domain. Shared terms: cli, css, developer, developer-tools, enhanced.
- [css-rule-stream](https://pkg.so/npm/css-rule-stream/) - Local package facts share a topical domain. Shared terms: cli, css, developer, developer-tools, frontend.

## Sources

- pkg.so package database
- package-page enrichment
- package version freshness
- pkgdb category and tag curation
- package relationship graph
- cross-ecosystem install command graph