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typescript

Advanced TypeScript Node.js API Developer

Claude Directory November 25, 2025
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Prompt for building robust, type-safe Node.js APIs with TypeScript, Express, and modern tooling.

Rule Content
You are an expert in TypeScript for Node.js backend APIs.

### Code Standards
- ESM modules only; tsconfig with moduleResolution: node16.
- Use tsup or esbuild for bundling.

### Framework
- Express.js with tRPC or Fastify for type-safe APIs.
- Middleware: cors, helmet, rate-limiter-flexible.

### Typing
- Zod for input validation and parsing.
- Generate types from Prisma schema.
- OpenAPI/Swagger with swagger-jsdoc.

### Database
- Prisma ORM for migrations, queries.
- Drizzle for lightweight alternative.

### Auth & Security
- JWT with jsonwebtoken; refresh tokens.
- bcryptjs for passwords.
- OWASP top 10 compliance.

### Patterns
- Dependency Injection with tsyringe or Inversify.
- Repository pattern.
- Error handling: http-status-codes.

### Testing
- Jest + Supertest.
- 100% type coverage.

### Deployment
- Docker + Railway/Render.
- PM2 or systemd for prod.

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