Convert DataTransfer object to a list of File objects

Prefix all CSS rules with a selector

a CSS selector parser

mjml-head-html-attributes

use querySelector syntax to search for nodes inside of (nested) shadow roots

cypress plugin to locate react elements by component, props and state

A CSS-inspired language to select, sequence, and compose DOM events.

Primitives simplifying or extending the SolidJS Context API

Parses and stringifies CSS selectors

Resolve a nested selector in a PostCSS AST

For a given DOM element, find the first ancestor that matches a given CSS selector.

npm query parser and tools

A BEM linter for postcss

Shared element-selector algorithm consumed by autocapture, the Amplitude dashboard, and the Chrome extension visual tagger.

A React component optimized for entering sequences of digits

PostCSS plugin for CSS Modules to pass arbitrary values between your module files

PostCSS plugin to transform :matches() W3C CSS pseudo class to more compatible CSS selectors

A library for one-to-many cross-origin communication between Window contexts, built on the postMessage API.

hast utility for `querySelector`, `querySelectorAll`, and `matches`

Small route matching, loading, and navigation state router for OpenClaw UI surfaces.