# NestJS Code Examples

Reference examples for each rule area. Read the relevant section when generating code for that area.

---

## NestJS Rules

```typescript
// ✅ Good: DTO with validation
export class CreateUserDto {
  @IsEmail()
  email: string;

  @IsString()
  @MinLength(8)
  password: string;
}
```

---

## Testing

```typescript
describe('UsersService', () => {
  let service: UsersService;

  beforeEach(async () => {
    const module: TestingModule = await Test.createTestingModule({
      providers: [UsersService],
    }).compile();

    service = module.get<UsersService>(UsersService);
  });

  it('should be defined', () => {
    expect(service).toBeDefined();
  });
});
```