NestJS

Summary

Introduction
CLI Commands
- Installation
- Usages

Introduction

NestJS is a framework for building efficient, scalable Node.js server-side applications. It uses progressive JavaScript, supports TypeScript and combines the element of OOP (Object Oriented Programming), FP (Functional Programming) & FRP (Functional Reactive Programming).

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CLI Commands

Installation

$ npm i -g @nestjs/cli

Usages

1) nest new

$ npm new <project_name> [options]

Options

Option	Description
--dry-run	Report the changes made, but it doesn't affect the file system. Alias: -d
--language [language]	Specify programming language (TS or JS). Alias: -l

2) nest generate

$ nest generate <schematic> <name> [options]
$ nest g <schematic> <name> [options]

where,
<schematic> - to generate.
<name> - name of the generated component.

Schematics

Name	Description
app	Generates a new application within a monorepo
library	Generates a new library within a monorepo
class	Generate a new class
controller	Generate a new controller
decorator	Generate decorator
filter	Generate a filter
gateway	Generate a gateway
guard	Generate a guard
interface	Generate an interface
interceptor	Generate an interceptor
middleware	Generate a middleware
module	Generate a module
pipe	Generate a pipe
provider	Generate a provider
resolver	Generate a resolver
service	Generate a service
resource	Generates a new CRUD resource

CRUD generator

Commands	Description
nest g mo	Generates a module for groping related components
nest g co	Generates a controller to define CRUD routes
nest g s	Generates a service to implement the business logic