---
name: test-write-js-mediawiki
description: >
  Write QUnit tests for JavaScript in a MediaWiki extension. Use when asked to add test coverage for untested client-side behaviour or write tests for a new JavaScript feature.
---

Load the following reference files before starting work:

- `references/01-universal-test-write.md`
- `references/02-mediawiki-general.md`
- `references/03-mediawiki-js.md`
- `references/04-mediawiki-install-deps.md`
- `references/05-mediawiki-run-tests-npm.md`
- `references/06-mediawiki-debug-browser-playwright.md`