gistfile1.txt

 47 function getMetadata(url) {
 48   const response = new Promise((resolve, reject) => {
 49     jsdom.env({
 50       url: url,
 51       scripts: [],
 52       done: (err, window) => {
 53         const metaData = {
 54           title: applyRules(window.document, titleRules),
 55           canonicalUrl: applyRules(window.document, canonicalRules),
 56         };
 57
 58         resolve(metaData);
 59       }
 60     });
 61   });
 62
 63   return response;
 64 }