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ts-05-test

Automate TypeScript runtime and type tests with Vitest or Jest.

Updated Aug 27, 2026
Search Tags:#typescript#vitest#testing#jest#type-testing#tsd
One-click install
npx skills add https://github.com/tak-bro/claude-code --skill ts-05-test
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: ts-05-test
Source: https://github.com/tak-bro/claude-code/tree/main/skills/ts-05-test
Command: npx skills add https://github.com/tak-bro/claude-code --skill ts-05-test

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Writing and maintaining TypeScript tests is time-consuming and error-prone; this skill automates and standardizes both runtime and type tests to improve reliability.

Core Features & Use Cases

  • Supports test runners like Vitest or Jest for executing TypeScript tests.
  • Includes type-testing approaches such as expectTypeOf and tsd to validate types.
  • Provides clear test patterns for utilities, services/classes, and complex types, plus guidance for edge cases.

Quick Start

Create a test suite for your TypeScript project using Vitest or Jest and run it to validate runtime behavior and type safety.

Frequently Asked Questions about ts-05-test

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

FAQPage Schema
How do I automate TypeScript testing for both runtime behavior and type safety?▼

You can automate TypeScript testing using Vitest or Jest as the runner, combined with type-testing utilities like expectTypeOf and tsd to validate both code behavior and complex types.

What is the best way to test complex types and edge cases in a TypeScript project?▼

Testing complex types and edge cases involves applying structured test patterns with expectTypeOf or tsd, ensuring strict review of error handling across utilities and services to validate type safety.

Does this approach to TypeScript testing work with both Vitest and Jest?▼

Yes, this testing approach supports both Vitest and Jest as test runners, allowing you to execute TypeScript tests for runtime behavior while integrating type-testing utilities for type validation.

How do I structure a test suite for TypeScript utilities and service classes?▼

You structure a TypeScript test suite by establishing a structured test stack with clear patterns, specifically targeting utilities, service classes, and complex types to ensure comprehensive coverage and reliability.

Why should I use type-testing utilities like tsd alongside my regular TypeScript tests?▼

Using type-testing utilities like tsd and expectTypeOf alongside runtime tests validates your complex types and edge cases, preventing type-related errors and improving overall code reliability.

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