"Not to be confused with Next.js, Nest.js is a server-side framework that offers a complete solution for building web applications. Nest is very popular, with over 73,000 stars on GitHub as of this writing. It is an excellent choice if you need to build a server-side application using TypeScript or JavaScript, and if you want a well-thought-out solution with all the architectural components in one place. Nest's design is philosophically inspired by Angular. At its heart is a dependency injection (DI) engine that wires together all the components using a common mechanism. If you are familiar with Spring Web, you will probably be right at home with Nest."
"Controllers define HTTP routes and their handlers. Providers contain the middleware logic used by controllers (often called servicesin other frameworks). Modules group together controllers and providers. Nest also incorporates several additional features worth noting: Pipes are used for data validation and transformation. Guards are for authentication and authorization. Interceptors are a type of AOP support, used for other cross-cutting concerns."
Nest.js is a server-side framework for Node.js that provides a complete solution for building scalable web applications using TypeScript or JavaScript. The framework is inspired by Angular and centers on a dependency injection engine that wires components together consistently. Core building blocks include controllers for defining HTTP routes, providers for middleware logic and services, and modules for grouping related controllers and providers. Additional features include pipes for validation and transformation, guards for authentication and authorization, and interceptors for cross-cutting concerns via AOP-like behavior. Nest offers an opinionated architecture and integrated tooling suitable for enterprise-grade backend development.
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