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test-driven-development

Enforce a test-first Red-Green-Refactor workflow for JavaScript/TypeScript projects.

Updated Aug 2, 2025
Search Tags:#typescript#tdd#javascript#red-green-refactor#unit-testing#software-engineering#test-driven-development
One-click install
npx skills add https://github.com/czer323/d3-item-salvager --skill test-driven-development-czer323
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: test-driven-development
Source: https://github.com/czer323/d3-item-salvager/tree/main/.claude/skills/test-driven-development
Command: npx skills add https://github.com/czer323/d3-item-salvager --skill test-driven-development-czer323

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Writing robust software is hard without a guiding process; this skill enforces a test-first workflow to ensure changes are validated by tests before implementation.

Core Features & Use Cases

  • Enforces Red-Green-Refactor cycle to drive incremental development with failing tests guiding implementation.
  • Promotes maintainable code by tying tests to small, verifiable behavior and iterative refactoring.
  • Useful for feature development, bug fixes, and safe refactoring in JS/TS projects.

Quick Start

Run a failing test, then implement the minimal code to make it pass.

Frequently Asked Questions about test-driven-development

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

FAQPage Schema
How does test-driven development help fix unreliable JavaScript code?▼

Test-driven development fixes unreliable JavaScript by enforcing a test-first workflow where failing tests guide implementation. This Red-Green-Refactor cycle ensures code changes are validated before implementation, promoting robust and maintainable software.

What is the Red-Green-Refactor cycle in TypeScript unit testing?▼

The Red-Green-Refactor cycle in TypeScript unit testing involves writing a failing test, implementing minimal code to pass it, then refactoring. This iterative process drives incremental feature development while tying tests to small, verifiable behavior.

How do I start writing failing tests to guide feature development?▼

To start writing failing tests for feature development, run a failing test first, then implement the minimal code required to make it pass. This enforces a test-first workflow that validates changes through incremental tests.

Can I use test-driven development for bug fixes and refactoring in JS projects?▼

Yes, you can use test-driven development for bug fixes and safe refactoring in JS projects. It enforces a test-first workflow that validates changes through incremental tests, ensuring fixes and refactoring do not introduce regressions.

Do I need a specific test runner to apply test-driven development in TypeScript?▼

You need a test runner and a minimal code scaffold to apply test-driven development in TypeScript. These prerequisites support the Red-Green-Refactor cycle by executing incremental tests that validate your JavaScript or TypeScript changes.

What's the best way to maintainable code through unit testing?▼

The best way to maintainable code through unit testing is tying tests to small, verifiable behavior and iterative refactoring. This test-driven approach ensures software changes are validated incrementally, preventing unreliable implementations.

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