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Articles tagged “vitest”

19 articles

Property-Based Testing in JavaScript 2026

Learn property-based testing with fast-check in JavaScript and TypeScript. Covers arbitraries, shrinking, Vitest integration, and real-world patterns.

·PkgPulse Team

Vitest vs Jest: Speed Benchmarks 2026

Vitest vs Jest 2026: benchmark results across 10 real-world repos. Vitest is 3-8x faster on Vite projects. See full feature matrix and migration guide.

·PkgPulse Team

Vitest 3 vs Jest 30: Testing in 2026

Vitest 3 and Jest 30 compared: speed benchmarks, configuration, TypeScript support, browser mode, and a step-by-step migration guide for 2026 projects.

·PkgPulse Team

bun:test vs node:test vs Vitest 2026

bun:test vs node:test vs Vitest in 2026: runtime-native testing vs dedicated test frameworks, performance benchmarks, Jest compatibility, and zero-config setup.

·PkgPulse Team

Bun vs Vitest vs Jest Benchmarks (2026)

Real benchmarks on JavaScript test runners. Bun test, Vitest, and Jest compared on speed, coverage, API compatibility, and TypeScript support in 2026.

·PkgPulse Team

c8 vs nyc vs Istanbul: JavaScript Code Coverage in 2026

Which JavaScript code coverage tool should you use in 2026? We compare c8 (V8 native), nyc/Istanbul, and Vitest/Jest built-in coverage — speed, accuracy, and.

·PkgPulse Team

happy-dom vs jsdom vs linkedom

Compare happy-dom, jsdom, and linkedom for DOM simulation in JavaScript testing 2026. Speed benchmarks, compatibility, Vitest defaults, and when to use each.

·PkgPulse Team

node:test vs Vitest vs Jest 2026

Node.js 20+ ships a built-in test runner. Is node:test ready to replace Vitest and Jest? Compare maturity, performance, features, and developer experience in 2026.

·PkgPulse Team

tinybench vs mitata vs vitest bench 2026

Compare tinybench, mitata, and vitest bench for JavaScript benchmarking in 2026. Accuracy, statistical rigor, V8 deopt detection, and integration with test.

·PkgPulse Team

Vitest Browser Mode vs Playwright Component Testing

Vitest browser mode vs Playwright component testing vs WebdriverIO in 2026: real browser testing for components, configuration, DX comparison, and when to.

·PkgPulse Team

Bun Test vs Vitest vs Jest 2026: Speed Compared

Bun test finishes in 0.08s. Vitest takes 0.9s. Jest takes 1.2s. Compare speed, TypeScript support, and ecosystem for JavaScript testing in 2026 with benchmarks.

·PkgPulse Team

The Consolidation of JavaScript Testing: How Vitest Won

Vitest surpassed Jest for new projects in 2025. The data, the reasons, and what it means for the JavaScript testing ecosystem in 2026 Updated for 2026.

·PkgPulse Team

happy-dom vs jsdom (2026): Which Is Faster for Vitest?

happy-dom runs 2-4x faster than jsdom in Vitest. See real benchmarks, DOM API compatibility gaps, and a migration checklist for switching test environments.

·PkgPulse Team

How to Migrate from Jest to Vitest in 2026

Step-by-step guide to migrating your Jest test suite to Vitest in 2026. Config changes, API differences, and the gotchas that trip up most migrations.

·PkgPulse Team

The State of JavaScript Testing in 2026

Vitest, Playwright, and Testing Library dominate JavaScript testing in 2026. Download trends, adoption patterns, and the tools developers actually use for.

·PkgPulse Team

Vitest vs Jest vs Playwright (2026)

Vitest became the default for unit tests in 2025. Playwright dominates E2E. Jest is legacy but still runs half the tests on npm. Here's the complete testing.

·PkgPulse Team

Vitest vs Jest in 2026: Has Vitest Won?

Vitest has taken the JavaScript testing world by storm. With Jest still at 20M+ weekly downloads, is the old guard still relevant? A data-driven comparison.

·PkgPulse Team

Testing Compared: Vitest vs Jest vs Playwright 2026

Compare the top JavaScript testing tools — Vitest for unit tests, Jest for the ecosystem, and Playwright for E2E. Performance benchmarks, features, and when.

·PkgPulse Team

Best JavaScript Testing Frameworks Compared (2026)

We compared Jest, Vitest, Playwright, Cypress, and more using real npm health data. Here's which testing frameworks to use in 2026 and when in detail.

·PkgPulse Team

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