스킬은 한 번만 작성하세요.
조합하고, 관리하고, 어디서나 사용하세요.

---
name: typescript-testing
description: Testing conventions for TypeScript
---
# TypeScript testing

Use vitest for all unit tests. Co-locate
test files next to the module under test.

- One `describe` block per exported function.
- Mock at the module boundary, never the
  network layer.