LeonardoZ / curso-nestjs

Curso de NestJS da Udemy

NestJS Couse

Setup From Scratch

npm install @nestjs/common@7.6.17 @nestjs/core@7.6.17 @nestjs/platform-express@7.6.17 reflect-metadata@0.1.13 typescript@4.3.2                            

• common: majority of funcions, classes from nest
• platform-express: HTTP webserver; can be replaced
• reflect-metadata: decorator stuff
• typescript: TS compiler

Nest basic structure

• package.json
• tsconfig.json

Running

• npx ts-node-dev src/main.ts

NestJS Tools

• (required) Controller: Handles request/response
• Services: Handles data access and business logic
• (required) Module; Groups code together
• Pipe: Validates incoming data
• Filter: Handle errors
• Guards: Handles authentication
• Interceptors: Adds extra logic to requests or responses
• Repositories: Handles data stored in DB

CLI

• npm install -g @nestjs/cli
• nest new yourapp