tvone-api/src/module/articles/dto/attach-image.dto.ts

import { Type } from 'class-transformer';
import { IsInt, IsOptional, IsUUID, Max, Min } from 'class-validator';

export class AttachImageDto {
  @IsUUID()
  imageId: string;

  @IsOptional()
  @Type(() => Number)
  @IsInt()
  @Min(0)
  @Max(10_000)
  sortOrder?: number;
}