Vitest is a next-generation testing framework powered by Vite. It provides a Jest-compatible API with native ESM, TypeScript, and JSX support out of the box. Vitest shares the same config, transformers, resolvers, and plugins with your Vite app.
The skill is based on Vitest 3.x, generated at 2026-01-28.
| Configuration | Vitest and Vite config integration, defineConfig usage | core-config | | CLI | Command line interface, commands and options | core-cli | | Test API | test/it function, modifiers like skip, only, concurrent | core-test-api | | Describe API | describe/suite for grouping tests and nested suites | core-describe |
Framework di test unitario rapido Vitest basato su Vite con API compatibile con Jest. Da utilizzare durante la scrittura di test, la simulazione, la configurazione della copertura o l'utilizzo di filtri e dispositivi di test. Fonte: hjewkes/agent-skills.