Tag: jest

2 articles

May 20, 2026 · testing / vitest

How to Migrate from Jest to Vitest: Step-by-Step Guide

Vitest runs 28× faster than Jest in watch mode. This guide covers the full migration: install, configure globals, handle config files, and fix six gotchas.

May 17, 2026 · testing / vitest

Vitest vs Jest 2026: The Test Runner That Already Won

Vitest wins in 2026 for Vite and TypeScript projects — 5.6× faster cold starts, 28× faster watch mode, zero TypeScript config. When to switch and when to stay.