node js download a file from server code example

Example 1: download file nodejs

const http = require('http');
const fs = require('fs');

const url = 'www.example.com/image.png'; // link to file you want to download
const path = 'app/assets/my_image_name.xlsx' // where to save a file

const request = http.get(url, function(response) {
    if (response.statusCode === 200) {
        var file = fs.createWriteStream(path);
        response.pipe(file);
    }
    request.setTimeout(60000, function() { // if after 60s file not downlaoded, we abort a request 
        request.abort();
    });
});

Example 2: express download file

app.get((req, res, next) => {
  res.download('/file/to/be/downloaded.ext');
  res.status(200);
});

Example 3: download a file nodejs

const http = require('http');
const fs = require('fs');

const file = fs.createWriteStream("file.jpg");
const request = http.get("http://i3.ytimg.com/vi/J---aiyznGQ/mqdefault.jpg", function(response) {
  response.pipe(file);
});