Tools

Know what's in the toolbox

What each tool is, how it's licensed, and when a dev would actually reach for it.

Testing & accessibility

Unit, component, browser, and automated accessibility checks.

Vite-powered test framework

A test runner for JavaScript and TypeScript with assertions, mocking, and coverage integration.

Browser automation and end-to-end testing

A browser testing toolkit for Chromium, Firefox, and WebKit, with locators, retrying assertions, and trace diagnostics.

User-centered UI testing utilities

DOM testing utilities focused on accessible roles, labels, and behavior visible to users.

Automated accessibility rules engine

An accessibility engine for automated checks of rendered web interfaces.