Selectors decision tree - choose matching selectors, fast
Source maps support for istanbul
A robust Punycode converter that fully complies to RFC 3492 and RFC 5891, and works on nearly all JavaScript platforms.
Intl.LocaleMatcher ponyfill
Optimise inline SVG with PostCSS.
Parse postgres array columns
Inquirer multiline editor prompt
Web Streams, based on the WHATWG spec reference implementation
Use enums with familiar, immutable Set and Map interfaces.
Express style path to RegExp utility
Reusable standard mocks and fakes for popular browser and Node.js APIs, framework/library objects for Jest
Generate source maps
A modern CSS parser and stringifier with TypeScript support
SVGO is a Node.js library and command-line application for optimizing vector images.
A pure JS implementation SHA256.
Sentry Node-Core SDK
👷 workerd for Linux 64-bit, Cloudflare's JavaScript/Wasm Runtime
Run scripts that set and use environment variables across platforms
Check if something can be an ecmascript (javascript) identifier name
Full BCP 47 language subtag data from the official IANA repository, in JSON format with multiple indices.
User interface primitives for console applications
Testing various api features
Match a Unicode property or property alias to its canonical property name per the algorithm used for RegExp Unicode property escapes in ECMAScript.
Simple “Least Recently Used” (LRU) cache