TypeScript decorators power frameworks like NestJS, TypeORM, and class-validator. This guide covers class, method, property, and parameter decorators with real backend patterns and the new Stage 3 decorator spec.
NestJS is the go-to framework for building enterprise TypeScript backends. This guide covers modules, controllers, services, dependency injection, guards, interceptors, and real production patterns for scalable Node.js applications.
Master NestJS at scale using DDD principles, CQRS, interceptors, guards, and microservices. This guide covers patterns for enterprise production systems.