Lexes CommonJS modules, returning their named exports metadata

Delightful JavaScript Testing.

Bash-like brace expansion, implemented in JavaScript. Safer than other brace expansion libs, with complete support for the Bash 4.3 braces specification, without sacrificing speed.

Delightful JavaScript Testing.

Extended glob support for JavaScript. Adds (almost) the expressive power of regular expressions to glob patterns.

`@jest/pattern` is a helper library for the jest library that implements the logic for parsing and matching patterns.

Specialized Promise Extensions

A preprocessor for Jest to snapshot test TypeScript declaration (.d.ts) files

ESLint plugin to follow best practices and anticipate common mistakes when writing tests with Testing Library

A collection of test helpers to save a few commonly used testing patterns

Utilities for working with match patterns.

Spectacular Test Runner for JavaScript.

ByteStream is a library making possible to manipulates single bytes and bits on pure JavaScript

RE2JS is the JavaScript port of RE2, a regular expression engine that provides linear time matching

Agentic Quality Engineering V3 - Domain-Driven Design Architecture with 13 Bounded Contexts, O(log n) coverage analysis, ReasoningBank learning, 60 specialized QE agents, mathematical Coherence verification, deep Claude Flow integration

Simple and complete React hooks testing utilities that encourage good testing practices.

Markdown dictionary for cspell.

CSS dictionary for cspell.

Simple and complete React Native testing utilities that encourage good testing practices.

The Firebase Authenticaton component of the Firebase JS SDK.