POST JSON Example - Nestjs Typing CST Test
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POST JSON Example — Nestjs Code
A POST endpoint receiving JSON data and returning it.
import { Controller, Post, Body } from '@nestjs/common';
import { Module } from '@nestjs/common';
import { NestFactory } from '@nestjs/core';
@Controller('echo')
class EchoController {
@Post() echo(@Body() data: any) { return data; }
}
@Module({ controllers: [EchoController] })
class AppModule {}
async function bootstrap() {
const app = await NestFactory.create(AppModule);
await app.listen(3000);
}
bootstrap();Nestjs Language Guide
NestJS is a progressive Node.js framework for building efficient, scalable, and maintainable server-side applications using TypeScript and modern JavaScript.
Primary Use Cases
- ▸Building RESTful APIs and GraphQL services
- ▸Creating microservices with built-in support
- ▸Developing server-side applications with TypeScript
- ▸Implementing real-time WebSocket applications
- ▸Building enterprise-grade backend systems
Notable Features
- ▸TypeScript-first design
- ▸Modular architecture
- ▸Dependency Injection container
- ▸Support for REST, GraphQL, WebSockets, and microservices
- ▸Built-in testing and CLI tools
Origin & Creator
NestJS was created by Kamil Myśliwiec in 2017 to provide a structured framework for building maintainable Node.js server-side applications with TypeScript.
Industrial Note
NestJS is popular in enterprise backend ecosystems and microservice architectures, providing scalable, modular, and maintainable server-side solutions.