vitest

Run JavaScript and TypeScript unit tests with Jest-compatible API and coverage.

2|Updated Aug 11, 2016
One-click install
npx skills add https://github.com/rlesniak/dotfiles --skill vitest-rlesniak
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: vitest
Source: https://github.com/rlesniak/dotfiles/tree/main/dot_agents/skills/vitest
Command: npx skills add https://github.com/rlesniak/dotfiles --skill vitest-rlesniak

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires vitest, and includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill simplifies unit testing in JavaScript and TypeScript, enabling efficient development with features like smart watch mode, parallel execution, and built-in coverage.

Core Features & Use Cases

  • Jest-Compatible API: Seamless integration with existing Jest test suites.
  • Fast Test Updates: Smart watch mode that reruns only affected tests for faster development cycles.
  • Parallel Execution: Multi-threaded workers for parallel test execution, reducing overall test time.
  • Built-in Coverage: Native support for V8 or Istanbul for code coverage without additional configuration.
  • Use Case: When developing a JavaScript or TypeScript application and need a reliable testing framework to ensure code quality and functionality.

Quick Start

Use the vitest skill to run all tests in your project with the command 'vitest'.

Frequently Asked Questions about vitest

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I run unit tests for a TypeScript project without complex configuration?

You can execute unit tests for TypeScript applications with minimal setup using a framework offering parallel execution, smart watch mode, and built-in coverage to ensure code quality without extra configuration.

Can I migrate my existing Jest test suites to a faster JavaScript test framework?

Yes, you can migrate existing Jest test suites seamlessly because this framework provides a Jest-compatible API, allowing you to leverage faster parallel execution and smart watch mode without rewriting tests.

Does this JavaScript testing framework support smart watch mode for faster updates?

Yes, the JavaScript testing framework supports a smart watch mode that reruns only the affected tests, significantly speeding up development cycles and providing faster test updates during active development.

What is the best way to get code coverage for JavaScript unit tests without additional tools?

The best way to get code coverage without additional tools is using a framework with native support for V8 or Istanbul, providing built-in coverage reports directly out of the box without extra configuration.

Why are my unit tests running slowly, and how does parallel execution help?

Unit tests run slowly when executed sequentially, but parallel execution utilizes multi-threaded workers to run tests concurrently, dramatically reducing overall test time for JavaScript and TypeScript applications.