node js ts vendure client example to createAssets

client.ts

import crossFetch from 'cross-fetch';
import * as FormData from 'form-data';
import * as fs from "fs";



    const formData = new FormData();
    formData.append(
      'operations',
      JSON.stringify({
        query: `
        mutation createAssets($input: [CreateAssetInput!]!) {
        createAssets(input: $input) {
          ... on Asset {
            id
          }
        }
      }
      `,
        variables: {
          input: [
            {
              file: null,
            },
          ],
        },
      }),
    );

    formData.append(
      'map',
      JSON.stringify({
        '0': ['variables.input.0.file'],
      }),
    );
    const filePath = '/Users/Downloads/1-200x300.jpg';
    const stats = fs.statSync(filePath);
    const fileStream = fs.createReadStream(filePath);
    formData.append('0', fileStream, { knownLength: stats.size });
    const response = await this.fetch(process.env.VENDURE_ADMIN_API_URL, {
      method: 'POST',
      body: formData,
      credentials: 'include',
      headers: {
        ...formData.getHeaders(),
      },
    });

    const responseData = await response.json();