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I finally achieved the perfect test setup for Remix 💿! Runs: - vitest browser mode for browser & generic tests - Runs server and generic tests in a node environment Meaning: - Generic code works everywhere - Specific code works in correct environments

There's literally no tech I'm more bullish on than Vitest. Even TypeScript. If you're using some other test runner, you're making your job harder for no reason.

Artem Zakharchenko Here comes vitest support by earlyai! Thomas Dohmke, CEO of GitHub, says: “50% of all code produced by Copilot users is now AI-generated.” But… who’s testing this code? That’s where EarlyAI comes in - an AI Agent for test code. Today, we’re adding

Vitest 3.0 is here! vitest.dev/blog/vitest-3

In 2025, we’re doubling down on our support to Open Source. We’re thrilled to announce the Bolt 100K Open Source Fund:

Oxc -> vitest * CI build time reduced from 1 min 30 sec to 27 sec * local pnpm build time went from 30s to 11s * total memory reduced from 8GB to 3GB github.com/vitest-dev/vit…

Vitest 3.1.0 is out! ⚡ Apart from performance improvements and fixes, this release expands your test setup flexibility with new options. Check out the release notes here. github.com/vitest-dev/vit…

Milestone: vitest crossed 10M weekly npm downloads! ⚡

Storybook Test It’s a batteries-included combo of the best UI development and testing tools: Storybook, vitest's browser mode, and Playwright. Run interaction, accessibility, and visual tests with a click and get real-time feedback inside your Storybook.

🔥 Experimental vitest support coming to Angular in a couple of weeks with support for: ‣ Watch mode ‣ Browser testing To try it out: ‣ npm i vitest jsdom --save-dev ‣ Update your angular.json ‣ Add a couple of imports

.vitest showcased in Codex’s demo screenshots 🙌

🎙️ Webinar tomorrow – go live with the maintainers of Vitest + Storybook to learn how we built Storybook Test — a new workflow to run interaction, visual, and a11y tests in a real browser, with instant feedback, right inside Storybook. 👇 Register below

In today's released talk from Svelte Summit Spring 2025 Dominik G talks extensively about testing your Svelte applications with Vitest and Playwright — Testing, 1 2 3 4. youtube.com/watch?v=ljmUuh…

The next talk from Svelte Summit Spring 2025 by jeppeReinhold 🇩🇰 is also related to testing — Strike the Perfect Balance: Component Testing with Storybook, Svelte, and Vitest. youtu.be/mdyRQDDp28s

Storybook 9 is here! ▶️ Interaction tests ♿ Accessibility tests 👁️ Visual tests 🛡️ Coverage reports 🚥 Test widget 🪶 48% Leaner ✍️ Story generation 🏷️ Tag-based organization 🌐 Story globals 🏗️ Major updates for Svelte, Next.js, React Native, and more! Let’s dive in!

With Storybook 9, your stories can be tests. But how do you know that you’re testing the right things? For that, we built vitest's test coverage into Storybook Test. Click on the coverage summary in the test widget to open an interactive coverage report.