Yerrr tests be brittle, mattie!!!

Nobody chose 13px. Catches off-scale spacing in CSS and Tailwind class strings and snaps it to your scale or tokens. Stylelint rules, an ESLint companion, and an audit CLI.

Harness Design System

A well-tested CSS minifier

Prettier is an opinionated code formatter

A utility-first CSS framework for rapidly building custom user interfaces.

PostCSS plugin to replace overflow-wrap with word-wrap or optionally retain both declarations.

Responsive, theme-based style props for building design systems with React

Resolve Tailwind theme variables into JavaScript objects. Supports Tailwind v4 with future-proof versioning.

CSS syntax patches for CSS tree

The Globe and Mail's Design Tokens and assets

Design tokens for the Equinor Design System

PostCSS plugin postcss-page-break to fallback `break-` properties with `page-break-` alias

a CSS selector parser

Archetype AI Design System Tokens

A CSS Modules transform to extract local aliases for inline imports

A modern CSS parser and stringifier with TypeScript support

Malt design system themes modules based on tokens

CSS Object Model implementation and CSS parser

Enforcing and Standardizing how components are spaced in ReactNative.