code snippet to download a file from a url in node with typescript

download_file.ts

import fs from "fs";
import request from "request"

const download = (uri: string, filename: string, callback: Function) =>{
  request.head(uri, function(err, res, body){
    console.log('content-type:', res.headers['content-type']);
    console.log('content-length:', res.headers['content-length']);

    request(uri).pipe(fs.createWriteStream(filename)).on('close', callback);
  });
};

download('https://www.google.com/images/srpr/logo3w.png', 'google.png', function(){
  console.log('done');
});