#ViTest

On October 21, 2026, the GitHub Advisory Database published CVE-2026-112948 (GHSA-p458-7748-mcp3),...

Editor's note: Today, our friends at Chromatic are sharing an early look at their new visual testing plugin for Vitest.

Comprehensive guide covering Vitest 4 Browser Mode: Component Testing Without Playwright with practical implementation details.

Speed benchmarks, feature comparison, and migration guides for the three leading JS test runners. Vitest wins on Vite integration; Bun Test wins on raw speed; Jest has the largest ecosystem.

In a 2024 benchmark of 10,000+ line TypeScript codebases, Vitest outperformed ESLint’s native rule...

Speed, ESM mocking, snapshot tooling, CI matrix, and the rule for picking a runner when your code has to work on every runtime your users ship to.

Introducing vitest-fail-on-console — why console.warn/error appearing silently in tests is a code smell, and how this package forces you to deal with it.

Bun's built-in test runner runs 5-15x faster than Vitest, ships zero-config snapshots and coverage. Migration in 30 minutes, where Vitest still wins.

Discover the top JavaScript testing frameworks for React and learn which one to use first. Improve your test speed, reliability, and effectiveness.

Why Playwright + Vitest is the Future of Web Testing Cypress had its moment. Selenium...