es6 Iterator polyfill
A collection of test utilities we use to write LoopBack tests.
A module to access the large array list in more efficient way
Runtime type checking for Flow
A utility for creating async iterators that can be controlled externally
Detect native Symbol support.
Human Logic
Generator abstraction for processing streams
Basic react components that are meant to keep code cleaner
Create an iterator which generates a sequence of nonsquares.
Take n values from a javascript iterator
Shared utilities for Author.Today tools
Assertion library for files and directories.
utils for testing opentelemetry js instrumentation libraries
Limrun integration helpers for running upstream Maestro on remote iOS simulators
Specification-driven development CLI for Claude Code — think before you build
A lightweight cypress module for identifying possible spelling errors found within your application.
A simple test framework
A fully streaming regular expression engine
Istanbul coverage reporting for projects being tested by web-component-tester
`expect` is a lightweight testing utility with 0 dependencies that provides a Jest-like assertion API for TypeScript/JavaScript projects that use the native Node.js test runner `node --test`.
Cognitive infrastructure for AI agents. A persistent, portable cognitive layer that travels with your agents — provenance, confidence, and temporal awareness baked into every assertion.
Headless terminal testing library — like Playwright, but for terminal apps. Cross-terminal conformance, composable selectors, 21+ Vitest matchers.
A brand new TypeScript library.