interfaces,dto,classes

interfaces

export interface RegisterInterface {
  readonly username: string;
  readonly password: string;
  readonly firstName?: string;
  readonly lastName?: string;
  readonly fullName?: string;
}

dto

import { IsString, IsInt } from 'class-validator';
import { ApiProperty } from '@nestjs/swagger';
export class CreateCatDto {
  @ApiProperty({
    example: 'fuguoqiang',
    description: 'The age of the Cat',
  })
  @IsString()
  readonly name: string;
  @ApiProperty({ example: 28, description: 'The age of the Cat' })
  @IsInt()
  readonly age: number;
  @ApiProperty({ example: '猫', description: 'The age of the Cat' })
  @IsString()
  readonly breed: string;
}

classes

import { ApiProperty } from '@nestjs/swagger';
export class RegisterClasses {
  @ApiProperty({ example: 'MaineMaine', description: 'The age of the Cat' })
  username: string;
  @ApiProperty({
    example: 'Maine',
    description: 'The breed of the Cat',
  })
  password: string;
  @ApiProperty({
    example: 'Maine',
    description: 'The breed of the Cat',
  })
  firstName?: string;
  @ApiProperty({
    example: 'Coon',
    description: 'The breed of the Cat',
  })
  lastName?: string;
  @ApiProperty({
    example: 'Maine Coon',
    description: 'The breed of the Cat',
  })
  fullName?: string;
}