NestJS Practice Series
Introduction NestJS is a progressive NodeJS framework designed for building efficient, reliable, and scalable server-side applications. Built on top of TypeScript (but also supporting pure JavaScript), NestJS combines elements of Object-Oriented Programming (OOP), Functional Programming (FP), and Functional Reactive Programming (FRP). The outstanding advantages of NestJS include: Modular architecture: Helps organize code scientifically, easy to maintain and expand for large projects. Powerful TypeScript support: Fully leverage static typing to minimize errors during development. Flexibility: Allows easy integration with other libraries (like Express or Fastify) and supports a wide variety of communication protocols (REST, GraphQL, WebSockets, Microservices). Rich ecosystem: Provides ready-to-use tools for processing common tasks like Validation, Caching, Database mapping (TypeORM/Prisma), and Authentication. Dependency Injection: A powerful mechanism that helps manage...