Over the wire test doubles
An implementation of the CSSStyleDeclaration class from the CSS Object Model specification
The iconic font, CSS, and SVG framework
An embeddable and performant flexbox layout engine with bindings for multiple languages
Accessibility engine for automated Web UI testing
Parse HTTP X-Forwarded-For header
Test Redux Saga with an easy plan
An onClickOutside wrapper for React components
Test your Angular components with the dom-testing-library
Simple and complete Preact DOM testing utilities that encourage good testing practices.
Inputmask is a javascript library which creates an input mask. Inputmask can run against vanilla javascript, jQuery and jqlite.
A suite of web components for a mutation testing report.
Miscellaneous utilities used by CKEditor 5.
Cypress is a next generation front end testing tool built for the modern web
Utility to wait for a TCP port to open.
JavaScript SDK for Optimizely Feature Experimentation, Optimizely Full Stack (legacy), and Optimizely Rollouts
A watchdog feature for CKEditor 5 editors. It keeps a CKEditor 5 editor instance running.
The core architecture of CKEditor 5 – the best browser-based rich text editor.
Clipboard integration feature for CKEditor 5.
A minimal fork of nanospy, with more features
Upload feature for CKEditor 5.
BDD/TDD assertion library for node.js and the browser. Test framework agnostic.
Enter feature for CKEditor 5.
The UI framework and standard UI library of CKEditor 5.