micromark extension to support MDX or MDX.js JSX

Zero-dependency, DOM-free, pure predicate for detecting unsafe strings across HTML, XML, SVG, SQL, SHELL, and REGEX contexts

chai plugin to match objects and arrays deep equality with arrays (including nested ones) being in any order

Assertion toolkit for Puppeteer.

Checks TypeScript types match expected values

lezer-based HTML grammar

Converts RDF/JS Terms, Quads and Datasets to N-Triple strings

A convenience constructor for RDF quads

This package contains shared types of Jest's packages.

Expectations and assertions for HTTP scenarios

Array quantifier assertions for chai assertion library

Wait for expectation to be true, useful for integration and end to end testing

Simple `and` and `or` functional programming predicates

Curried JavaScript Type Testing Library with Zero Dependencies

ESLint plugin that checks for common chai.js expect() mistakes

Define multiple non-enumerable properties at once. Uses `Object.defineProperty` when available; falls back to standard assignment in older engines.

A Minipass stream that raises an error if you get a different number of bytes than expected

TypeScript definitions for jest

Combines quads of a RDF/JS quad stream to a stream of RDF/JS Dataset chunks

Array.prototype.findIndex ES2015 polyfill.