Vitest
Automates JavaScript unit tests using Vitest, streamlining development workflows and ensuring code quality.
Install on your platform
We auto-selected Claude Code based on this skill’s supported platforms.
Run in terminal (recommended)
claude mcp add vitest npx -- -y @trustedskills/vitest
Or manually add to ~/.claude/settings.json
{
"mcpServers": {
"vitest": {
"command": "npx",
"args": [
"-y",
"@trustedskills/vitest"
]
}
}
}Requires Claude Code (claude CLI). Run claude --version to verify your install.
About This Skill
What it does
The vitest skill enables fast and efficient unit testing in JavaScript projects. It supports a wide range of test frameworks, including Jest and Mocha, and provides features like snapshot testing, mocking, and parallel execution to streamline the testing process.
When to use it
- You need to run unit tests for a JavaScript or TypeScript project quickly.
- You want to implement snapshot testing to ensure UI components remain consistent across updates.
- Your project requires mocking external APIs or dependencies during testing.
- You're looking to improve test performance by running tests in parallel.
Key capabilities
- Supports multiple testing frameworks (Jest, Mocha, etc.)
- Snapshot testing for component consistency
- Mocking of APIs and dependencies
- Parallel test execution for faster results
Example prompts
- "Run all unit tests using vitest with Jest framework."
- "Set up snapshot testing for the components in my React project."
- "Mock the API call to 'https://api.example.com/data' during testing."
Tips & gotchas
- Ensure your project has a compatible test runner (e.g., Jest) installed before using
vitest. - Snapshot tests may require manual review after significant UI changes to avoid false positives.
Tags
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