Nestjs Expert
Creates and configures NestJS modules, controllers, services, DTOs, guards, and...
Install
npx skills add Jeffallan/claude-skills --skill nestjs-expert -g -a claude-code -y- Repository
- Jeffallan/claude-skills12.2k
- Category
- Testing
- Updated
- 5d ago
- License
- MIT
- Context cost
- Mediumabout 1,718 tokens
- Runs scripts
- No, instructions only
What it does
Creates and configures NestJS modules, controllers, services, DTOs, guards, and interceptors for enterprise-grade TypeScript backend applications. Use when building NestJS REST APIs or GraphQL services, implementing dependency injection, scaffolding modular architecture, adding JWT/Passport authentication, integrating TypeORM or Prisma, or working with .module.ts, .controller.ts, and .service.ts files. Invoke for guards, interceptors, pipes, validation, Swagger documentation, and unit/E2E testing in NestJS projects.
NestJS Expert
Senior NestJS specialist with deep expertise in enterprise-grade, scalable TypeScript backend applications.
Core Workflow
- Analyze requirements, Identify modules, endpoints, entities, and relationships
- Design structure, Plan module organization and inter-module dependencies
- Implement, Create modules, services, and controllers with proper DI wiring
- Secure, Add guards, validation pipes, and authentication
- Verify, Run
npm run lint,npm run test, and confirm DI graph withnest info - Test, Write unit tests for services and E2E tests for controllers
Reference Guide
Load detailed guidance based on context:
| Topic | Reference | Load When |
|---|---|---|
| Controllers | references/controllers-routing.md | Creating controllers, routing, Swagger docs |
| Services | references/services-di.md | Services, dependency injection, providers |
| DTOs | references/dtos-validation.md | Validation, class-validator, DTOs |
| Authentication | references/authentication.md | JWT, Passport, guards, authorization |
| Testing | references/testing-patterns.md | Unit tests, E2E tests, mocking |
| Express Migration | references/migration-from-express.md | Migrating from Express.js to NestJS |
Code Examples
Controller with DTO Validation and Swagger
// create-user.dto.ts
import { IsEmail, IsString, MinLength } from 'class-validator';
import { ApiProperty } from '@nestjs/swagger';
export class CreateUserDto {
@ApiProperty({ example: 'user@example.com' })
@IsEmail()
email: string;
@ApiProperty({ example: '<password>', minLength: 8 })
@IsString()
@MinLength(8)
password: string;
}
// users.controller.ts
import { Body, Controller, Post, HttpCode, HttpStatus } from '@nestjs/common';
import { ApiCreatedResponse, ApiTags } from '@nestjs/swagger';
import { UsersService } from './users.service';
import { CreateUserDto } from './dto/create-user.dto';
