Phase 15 · Testing

Topics

Vitest

Part of the Frontend Developer Roadmap.

Summary

A fast, modern test runner built for Vite-based projects, with a Jest-compatible API — increasingly the default choice for new projects using Vite.

How to Learn This

  • 1Set up Vitest in a Vite project and write a first test.
  • 2Compare its speed and config to a Jest setup you've used before.
  • 3Learn its built-in support for ESM and TypeScript with minimal config.
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