Can this skill help with mocking external APIs?

Yes, it includes specific patterns for mocking global fetch, external modules, and complex class dependencies using spies and mocks.

Does it support TypeScript-specific testing?

Absolutely. All provided patterns and configurations are optimized for TypeScript with full type safety and ts-jest/vitest compatibility.

Which testing frameworks are supported by this skill?

This skill primarily focuses on Jest and Vitest, covering both traditional environments and modern Vite-based projects.

How does this skill facilitate TDD workflows?

The skill provides the structure and boilerplate needed to write tests before implementation, ensuring a robust Test-Driven Development cycle.

Is it suitable for frontend component testing?

Yes, it includes patterns that integrate with Testing Library for React, Vue, and other component-based frameworks to test user flows.

JavaScript Testing Patterns

Name: JavaScript Testing Patterns
Author: HermeticOrmus

byHermeticOrmus

0•

セキュリティとテスト

Implements professional testing strategies for JavaScript and TypeScript applications using frameworks like Jest and Vitest.

JavaScript Testing Patterns provides a comprehensive framework for building reliable software through unit, integration, and end-to-end testing. It offers standardized implementation patterns for mocking dependencies, testing asynchronous code, and setting up robust test environments. Whether you're practicing Test-Driven Development (TDD) or adding coverage to an existing codebase, this skill guides Claude in creating maintainable test suites that ensure application stability across modern JS/TS ecosystems.

主な機能

01Dependency Injection implementation for enhanced testability

02Asynchronous testing patterns for APIs and services

03Comprehensive unit testing for pure functions and classes

040 GitHub stars

05Advanced mocking strategies for modules and external APIs

06Standardized Jest and Vitest configuration patterns

ユースケース

01Setting up test infrastructure for new TypeScript projects

02Implementing mocking for external third-party dependencies

03Automating unit tests for complex business logic and services

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add hermeticormus/floreserlife javascript-testing-patterns

For use in Claude.ai and ChatGPT

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