Guide TypeScript development with a Vitest-based RED-GREEN-REFACTOR TDD cycle.
npx skills add https://github.com/vgeshel/template-typescript --skill tdd-vgeshel
Please help me install this Agent Skill. Skill: tdd Source: https://github.com/vgeshel/template-typescript/tree/main/.claude/skills/tdd Command: npx skills add https://github.com/vgeshel/template-typescript --skill tdd-vgeshel
Structured guidance for implementing features and bug fixes using test-driven development with Vitest, ensuring robust test coverage and high-quality code from the outset.
Run a failing test for the target feature, then implement the minimal code to make it pass and finally refactor while preserving test success.
High-intent search queries and answers about installing and using this skill.
To start test-driven development with Vitest, run a failing test for the target feature, implement the minimal code to make it pass, and then refactor while preserving test success. This structured cycle ensures robust coverage from the outset.
The Red-Green-Refactor workflow is a repeatable TDD cycle that transforms failing tests into passing tests and cleaner code. You write a failing test, implement minimal code to pass it, and refactor the implementation while maintaining green test status.
Vitest test files should be placed directly next to your source files in a TypeScript project. Following these test file layout conventions alongside Vitest features standardizes validation and improves test reliability across your codebase.
Yes, you can use Vitest to achieve 100% test coverage when fixing bugs by applying the structured TDD cycle. Prove the expected behavior with a failing test first, then implement the fix to turn it green, ensuring no coverage gaps remain.
You should follow the TDD cycle when starting a new feature, addressing a bug, expanding a test suite, or addressing coverage gaps in TypeScript projects. It proves behavior before implementation, ensuring high-quality code from the outset.
Yes, test-driven development with Vitest works for expanding existing test suites by providing templates and standardized examples. It addresses coverage gaps systematically through the repeatable RED-GREEN-REFACTOR cycle to validate new behaviors.
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