Does this skill help with Jest migration?

Yes, it provides patterns and configuration strategies specifically designed to help developers transition from Jest to Vitest efficiently.

What coverage providers are supported?

The skill provides configurations for both V8 and Istanbul providers, including advanced threshold settings and multi-format reporting.

Can it handle monorepo setups?

Absolutely, it includes comprehensive guidance for using vitest.workspace.ts to manage and run tests across multiple projects in a monorepo.

How does it optimize test performance?

It provides configurations for thread pooling, isolation settings, and file parallelism to ensure tests run as fast as possible on your hardware.

Does it support browser-based testing?

Yes, it includes configuration templates for Vitest's browser mode using providers like Playwright or WebdriverIO.

Vitest Configuration Master

Name: Vitest Configuration Master
Author: TheBushidoCollective

byTheBushidoCollective

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Security & Testing

Configures and optimizes Vitest environments for high-performance JavaScript and TypeScript testing workflows.

About

This skill provides expert guidance for setting up and fine-tuning Vitest, the lightning-fast testing framework powered by Vite. It assists developers in implementing complex workspace configurations, managing test environments like JSDOM and Happy DOM, setting up coverage thresholds with V8 or Istanbul, and optimizing performance through thread pooling. Whether you are migrating from Jest or establishing a testing strategy for a new monorepo, this skill ensures a robust, scalable, and professional testing infrastructure integrated with modern development tools.

Key Features

72 GitHub stars
Test environment setup for Node, JSDOM, and Happy DOM
Performance optimization via thread and pool tuning
Advanced workspace and multi-project configuration
Integration with React Testing Library and Playwright browser mode
Comprehensive coverage reporting and threshold management

Use Cases

Migrating existing Jest configurations to Vitest for faster execution
Implementing automated coverage checks and thresholds for CI/CD pipelines
Setting up monorepo test architectures using Vitest workspaces

About

Key Features

72 GitHub stars
Test environment setup for Node, JSDOM, and Happy DOM
Performance optimization via thread and pool tuning
Advanced workspace and multi-project configuration
Integration with React Testing Library and Playwright browser mode
Comprehensive coverage reporting and threshold management

Use Cases

Migrating existing Jest configurations to Vitest for faster execution
Implementing automated coverage checks and thresholds for CI/CD pipelines
Setting up monorepo test architectures using Vitest workspaces