text: let through2 = require('through2');
  let request = require('request');
  
  module.exports = function() {
    return through2.obj(
      function(url, encoding, done) {
        request
          .get(url, (err, res, body) => {
            if (err) {
              return done(err);
            }
  
            this.push(body);
            done();
          });
      });
  }