Requires: file-read, terminal (test runner). No network access needed.

Also load: vitest-test-best-practices/SKILL.md — hook tests must follow all conventions from the general skill (AAA pattern, named constants, mocking order, toStrictEqual, lint rules) in addition to the hook-specific rules here.

Unit Testing — React Hooks

Use When

Use this skill when:

• Writing or editing tests for any use*.ts / use*.tsx hook.
• Validating hook behavior, side effects, and cleanup logic.

Execution workflow: