Files Downloader - Node,TypeScript

filesDownloader.ts

import fs from 'fs';
import https from 'https';


async function filesDownloader(url: (iterator: number) => string, response: (iterator: number, data: string) => void, iteratorMax: number, iteratorStart = 0) {

    async function getUrlData(url: string): Promise<string> {

        return new Promise((resolve, reject) => {

            https.get(url, (resp) => {
                let data = '';

                resp.on('data', (chunk) => { data += chunk; });

                resp.on('end', () => { resolve(data); });

            }).on("error", (err) => { reject(err.message); });

        });
    }

    let iterator = iteratorStart;

    while (iterator <= iteratorMax) {

        await getUrlData(url(iterator)).then(data => response(iterator, data));

        iterator++;
    }

}