Merge pull request #115 from kmiyauchi/master

extLink module fix

Author: kmiyauchi

lib/util/jquery.extLink.js

@@ -39,9 +39,12 @@ var extLink = exports.extLink = function extLink($, _config) {
         }
 
         // Strip the host name down, removing ports, subdomains, or www.
-        var pattern = /^(([^\/:]+?\.)*)([^\.:]{1,})((\.[a-z0-9]{1,253})*)(:[0-9]{1,5})?$/;
+        var pattern = /^(([^\/:]+?\.)*)([^\.:]{4,})((\.[a-z]{1,4})*)(:[0-9]{1,5})?$/;
         var host = window.location.host.replace(pattern, '$3$4');
         var subdomain = window.location.host.replace(pattern, '$1');
+        if (subdomain == host) {
+            subdomain = "";
+        }
 
         // Determine what subdomains are considered internal.
         var subdomains;

src/util/jquery.extLink.js

@@ -31,9 +31,12 @@ export const extLink = ($, _config) => {
         }
 
         // Strip the host name down, removing ports, subdomains, or www.
-        var pattern = /^(([^\/:]+?\.)*)([^\.:]{1,})((\.[a-z0-9]{1,253})*)(:[0-9]{1,5})?$/;
+        var pattern = /^(([^\/:]+?\.)*)([^\.:]{4,})((\.[a-z]{1,4})*)(:[0-9]{1,5})?$/;
         var host = window.location.host.replace(pattern, '$3$4');
         var subdomain = window.location.host.replace(pattern, '$1');
+        if (subdomain == host) {
+            subdomain = "";
+        }
 
         // Determine what subdomains are considered internal.
         var subdomains;