import * as fs from 'fs';
import { Client as AppStoreConnectClient, DownloadSalesReportFrequency } from '@egodigital/appstore-connect';

const PRIVATE_KEY = fs.readFileSync(
    '/path/to/your/p8/file'  // downloaded from https://appstoreconnect.apple.com/access/api
);

const CLIENT = new AppStoreConnectClient({
    apiKey: '<YOUR-API-KEY>',  // s. https://appstoreconnect.apple.com/access/api
    issuerId: '<YOUR-ISSUER-ID>',  // s. https://appstoreconnect.apple.com/access/api
    privateKey: PRIVATE_KEY,
});

const SUMMARY = await CLIENT.getAppDownloads({
    frequency: DownloadSalesReportFrequency.Weekly,
    vendorId: '<YOUR-VENDOR-ID>',  // s. https://appstoreconnect.apple.com/itc/payments_and_financial_reports
});

console.log(
    SUMMARY
);