var url = require('url');
var http = require('https');

var sizeOf = require('image-size');

var imgUrl = 'https://lns.hywly.com/a/1/36441/1.jpg';
var options = url.parse(imgUrl);

http.get(imgUrl, function (response) {
  var chunks = [];
  
  response.on('data', function (chunk) {
    chunks.push(chunk);
  }).on('end', function() {
    var buffer = Buffer.concat(chunks);
    console.log(sizeOf(buffer));
  });
  
});