Refactor getParameterByName function to use URL interface

Author: allanassis

js/utils.js

@@ -1,11 +1,8 @@
 function getParameterByName(name = '', url = '') {
   if (!url) url = window.location.href;
-  name = name.replace(/[[\]]/g, '\\$&');
-  var regex = new RegExp('[?&]' + name + '(=([^&#]*)|&|#|$)'),
-      results = regex.exec(url);
-  if (!results) return null;
-  if (!results[2]) return '';
-  return decodeURIComponent(results[2].replace(/\+/g, ' '));
+
+  const urlObject = new URL(window.location.href);
+  return urlObject.searchParams.get(name);
 }
 
 export default getParameterByName;