VOTE-2035 Exclude noreferrer from .gov links (#784)

web/themes/custom/votegov/src/js/external-links.js

@@ -5,7 +5,7 @@
 (() => {
 
   // Enable external links behavior.
-  // `extlinkjs-ignore` attribute should be added to all icons in order to not render the uswds external links icon 
+  // `extlinkjs-ignore` attribute should be added to all icons in order to not render the uswds external links icon
   const externalLinks = document.querySelectorAll('a[href^="https"]:not([extlinkjs-ignore])');
   const title_translated = Drupal.t('External link opens in new window');
 
@@ -15,7 +15,9 @@
       externalLinks[i].classList.add('usa-link--external');
       externalLinks[i].setAttribute('target', '_blank');
       externalLinks[i].setAttribute('title', title_translated);
-      externalLinks[i].setAttribute('rel', 'noreferrer');
+      if (!new URL(externalLinks[i].href).hostname.endsWith(".gov")) {
+        externalLinks[i].setAttribute('rel', 'noreferrer');
+      }
     }
   }