Get the carrier name and web url for a given tracking number
npm install tracking-url
var tu = require('tracking-url');
console.log(tu('1Z12345E0291980793'));
/* //result
{ name: 'ups',
url: 'http://wwwapps.ups.com/WebTracking/track?track=yes&trackNums=1Z12345E0291980793' }
*/
MIT