graphql upload

uploadResolver.ts

import {
  Resolver, Mutation, Arg,
} from 'type-graphql';
import { GraphQLUpload } from 'apollo-server-koa';
import { Stream } from 'stream';
import { createWriteStream } from 'fs';

interface Upload {
  filename: string;
  mimetype: string;
  encoding: string;
  createReadStream: () => Stream;
}

@Resolver()
export class UploadResolver {
  @Mutation(() => Boolean)
  // eslint-disable-next-line
  async addProfilePicture(@Arg('upload', type => GraphQLUpload)
    {
      createReadStream,
      filename,
    }: Upload): Promise<boolean> {
    return new Promise((resolve, reject) => createReadStream()
      .pipe(createWriteStream(`./${filename}`))
      .on('finish', () => resolve(true))
      .on('error', (error) => reject(error)));
  }
}

Can you integrate, image data size minimize feature.