React package for working with the DOM.
Synchronous version of the Fetch API
A plugin to use the mocha test runner in Stryker, the JavaScript mutation testing framework
Browser Utilities for all Sentry JavaScript SDKs
A lightweight toolset for writing styles in Javascript.
A Cypress plugin for configurable accessibility analysis supporting WCAG 2.2 (A-AAA). It provides a detailed list of violations in the Cypress log, visual feedback directly in the Cypress runner as well as voice feedback, and generates a comprehensive, se
Local GitHub Actions runner — pause on failure, ~0ms cache, official runner binary. Built for AI coding agents.
<p align="center"> <a href="https://amplitude.com" target="_blank" align="center"> <img src="https://static.amplitude.com/lightning/46c85bfd91905de8047f1ee65c7c93d6fa9ee6ea/static/media/amplitude-logo-with-text.4fb9e463.svg" width="280"> </a> <b
Lightweight promise polyfill. A+ compliant
Email parser for Node.js and browser environments
<table> <tr><th>Compatible Runners</th><td>
Allure Jest integration
Official Amplitude SDK for Web
The CDK Construct Library for AWS::AppRunner
A lightning-fast, Vite-powered browser testing framework for Web Components with an elegant, Japa-inspired API.
A Grunt plugin for running protractor runner.
TypeScript definitions for karma-coverage
Fast polyfill for TextEncoder and TextDecoder, only supports utf-8
Run your React code on the go
LaunchDarkly SDK for JavaScript
MCP server exposing the Caelo CMS chat-runner as a `caelo_chat` tool. Lets Claude Code (or any MCP-aware client) drive a Caelo install from outside the browser.
Mini app runner for taro
test infrastructure for a fake XMLHttpRequest object
Disallow features that are unsupported by the browsers that you are targeting