For lasership package notifications on lasership

hook.js

var http = require('http');

module['exports'] = function myService (hook) {  
  http.get('http://www.lasership.com/track/' + hook.params.id + '/json', function(res) {
    res.setEncoding('utf8');
  	let rawData = '';
  	res.on('data', function(chunk) { rawData += chunk; });
  	res.on('end', function() {
      const json = JSON.parse(rawData);     
      feed = "<?xml version=\"1.0\"?><rss version=\"2.0\"><channel><title>LaserShip tracking for " + hook.params.id + "</title>";
      feed += "<link>http://hook.io/bmuller/lasership</link><description></description>";
      for(var i=0; i<json['Events'].length; i++) {
        var event = json['Events'][i];
        feed += "<item><title>" + event['EventLongText'] + " in " + event['City'] + ", " + event['State'] + "</title>";
        feed += "<link>https://hook.io/bmuller/lasership/" + hook.params.id + "/" + event['DateTime'] + "</link>";
	feed += "<guid>https://hook.io/bmuller/lasership/" + hook.params.id + "/" + event['DateTime'] + "</guid>";
        feed += "<description>in " + event['City'] + ", " + event['State'] + "</description></item>";
      }
	  feed += "</channel></rss>";
      hook.res.writeHead(200, { 'Content-Type': 'application/rss+xml; charset=UTF-8'});
      hook.res.end(feed);
    });
  });
};