https://github.com/markuplint/markuplint

An HTML linter for all markup developers.
https://github.com/markuplint/markuplint

alpinejs custom-elements html htmx jsx-templates linter liquid mustache-templates nunjucks php pug react svelte vue

Last synced: 14 days ago
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An HTML linter for all markup developers.

• Host: GitHub
• URL: https://github.com/markuplint/markuplint
• Owner: markuplint
• License: mit
• Created: 2017-09-26T04:25:35.000Z (over 7 years ago)
• Default Branch: dev
• Last Pushed: 2025-04-09T03:16:44.000Z (16 days ago)
• Last Synced: 2025-04-09T04:22:59.962Z (16 days ago)
• Topics: alpinejs, custom-elements, html, htmx, jsx-templates, linter, liquid, mustache-templates, nunjucks, php, pug, react, svelte, vue
• Language: TypeScript
• Homepage: https://markuplint.dev
• Size: 36.2 MB
• Stars: 573
• Watchers: 1
• Forks: 57
• Open Issues: 120
• Metadata Files:
  • Readme: README.md
  • Contributing: CONTRIBUTING.md
  • Funding: .github/FUNDING.yml
  • License: LICENSE
  • Code of conduct: CODE_OF_CONDUCT.md
  • Codeowners: .github/CODEOWNERS

Awesome Lists containing this project

README

        
# ![markuplint](https://cdn.jsdelivr.net/gh/markuplint/markuplint@main/media/logo-v.svg)

[![Project Status: Active – The project has reached a stable, usable state and is being actively developed.](https://www.repostatus.org/badges/latest/active.svg)](https://www.repostatus.org/#active)

[![Gitter](https://badges.gitter.im/markuplint/community.svg)](https://gitter.im/markuplint/community?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)

[![FOSSA Status](https://app.fossa.io/api/projects/git%2Bgithub.com%2Fmarkuplint%2Fmarkuplint.svg?type=shield)](https://app.fossa.io/projects/git%2Bgithub.com%2Fmarkuplint%2Fmarkuplint?ref=badge_shield)

**Peace of mind in your markup** - An HTML linter for all markup developers.

## Website

- [markuplint.dev](https://markuplint.dev)

- [Playground](https://playground.markuplint.dev/)

## Packages

| Package               | Name                                                            | NPM                                                                                                                              | Platform  |

| --------------------- | --------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------- | --------- |

| **CLI**               | [`markuplint`](./packages/markuplint)                           | [![npm version](https://badge.fury.io/js/markuplint.svg)](https://badge.fury.io/js/markuplint)                                   | Node.js   |

| **Core**              | [`@markuplint/ml-core`](./packages/@markuplint/ml-core)         | [![npm version](https://badge.fury.io/js/%40markuplint%2Fml-core.svg)](https://badge.fury.io/js/%40markuplint%2Fml-core)         | Universal |

| **Rules**             | [`@markuplint/rules`](./packages/@markuplint/rules)             | [![npm version](https://badge.fury.io/js/%40markuplint%2Frules.svg)](https://badge.fury.io/js/%40markuplint%2Frules)             | Universal |

| **HTML Parser**       | [`@markuplint/html-parser`](./packages/@markuplint/html-parser) | [![npm version](https://badge.fury.io/js/%40markuplint%2Fhtml-parser.svg)](https://badge.fury.io/js/%40markuplint%2Fhtml-parser) | Universal |

| **Specs and Schemas** | [`@markuplint/html-spec`](./packages/@markuplint/html-spec)     | [![npm version](https://badge.fury.io/js/%40markuplint%2Fhtml-spec.svg)](https://badge.fury.io/js/%40markuplint%2Fhtml-spec)     | Universal |

[More Packages...](./packages/%40markuplint/)

## Template Parser Plugins

| Package       | Name                                                                | NPM                                                                                                                                   | Platform  |

| ------------- | ------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------- | --------- |

| **JSX**       | [`@markuplint/jsx-parser`](./packages/@markuplint/jsx-parser)       | [![npm version](https://badge.fury.io/js/%40markuplint%2Fjsx-parser.svg)](https://www.npmjs.com/package/@markuplint/jsx-parser)       | Universal |

| **Vue**       | [`@markuplint/vue-parser`](./packages/@markuplint/vue-parser)       | [![npm version](https://badge.fury.io/js/%40markuplint%2Fvue-parser.svg)](https://www.npmjs.com/package/@markuplint/vue-parser)       | Universal |

| **Svelte**    | [`@markuplint/svelte-parser`](./packages/@markuplint/svelte-parser) | [![npm version](https://badge.fury.io/js/%40markuplint%2Fsvelte-parser.svg)](https://www.npmjs.com/package/@markuplint/svelte-parser) | Universal |

| **Astro**     | [`@markuplint/astro-parser`](./packages/@markuplint/astro-parser)   | [![npm version](https://badge.fury.io/js/%40markuplint%2Fastro-parser.svg)](https://www.npmjs.com/package/@markuplint/astro-parser)   | Universal |

| **Alpine.js** | [`@markuplint/alpine-parser`](./packages/@markuplint/alpine-parser) | [![npm version](https://badge.fury.io/js/%40markuplint%2Falpine-parser.svg)](https://www.npmjs.com/package/@markuplint/alpine-parser) | Universal |

| **HTMX**      | [`@markuplint/htmx-parser`](./packages/@markuplint/htmx-parser)     | [![npm version](https://badge.fury.io/js/%40markuplint%2Fhtmx-parser.svg)](https://www.npmjs.com/package/@markuplint/htmx-parser)     | Universal |

| **Pug**       | [`@markuplint/pug-parser`](./packages/@markuplint/pug-parser)       | [![npm version](https://badge.fury.io/js/%40markuplint%2Fpug-parser.svg)](https://www.npmjs.com/package/@markuplint/pug-parser)       | Universal |

| **PHP**       | [`@markuplint/php-parser`](./packages/@markuplint/php-parser)       | [![npm version](https://badge.fury.io/js/%40markuplint%2Fphp-parser.svg)](https://www.npmjs.com/package/@markuplint/php-parser)       | Universal |

[More Template Parser Plugins...](./packages/%40markuplint/)

## Editor Extensions

- [Visual Studio Code](https://marketplace.visualstudio.com/items?itemName=yusukehirao.vscode-markuplint)

## License

[![FOSSA Status](https://app.fossa.io/api/projects/git%2Bgithub.com%2Fmarkuplint%2Fmarkuplint.svg?type=large)](https://app.fossa.io/projects/git%2Bgithub.com%2Fmarkuplint%2Fmarkuplint?ref=badge_large)

## Sponsors

### Corporate Sponsors

[](https://www.velc.co.jp/)

### Personal Supporters

[](https://github.com/Tokitake)

[](https://github.com/yamanoku)

[](https://github.com/mikimhk)

[](https://github.com/sigwyg)

[](https://github.com/shamokit)

[](https://github.com/takanorip)

Need [Sponsors❤️‍🔥](https://github.com/sponsors/markuplint)

## Thanks

This linter is inspired by:

- [HTMLHint](https://htmlhint.com/)

- [ESLint](https://eslint.org/)

- [Stylelint](https://stylelint.io/)

- [textlint](https://textlint.github.io/)