jest-typescript
Installation
SKILL.md
Jest + TypeScript - Industry Standard Testing
Overview
Jest is the industry-standard testing framework with 70% market share, providing a mature, battle-tested ecosystem for TypeScript projects. It offers comprehensive testing capabilities with built-in snapshot testing, mocking, and coverage reporting.
Key Features:
- π Industry Standard: 70% market share, widely adopted
- π¦ All-in-One: Test runner, assertions, mocks, coverage in one package
- πΈ Snapshot Testing: Built-in snapshot support for UI testing
- π§ͺ React Integration: React Testing Library, enzyme compatibility
- π§ Mature Ecosystem: Extensive plugins, tooling, and community support
- π― TypeScript Support: Full type safety via ts-jest
- π Coverage Reports: Built-in Istanbul coverage
- π Multi-Platform: Node.js, browser (jsdom), React Native