Add optional nofollow parameter to linky

Author: stianjensen

src/ngSanitize/filter/linky.js

@@ -15,6 +15,7 @@
  *
  * @param {string} text Input text.
  * @param {string} target Window (_blank|_self|_parent|_top) or named frame to open links in.
+ * @param {boolean} nofollow Add rel=nofollow to links.
  * @returns {string} Html-linkified text.
  *
  * @usage
@@ -99,6 +100,13 @@
             toBe('http://angularjs.org/');
         expect(element(by.css('#linky-target a')).getAttribute('target')).toEqual('_blank');
        });
+
+       it('should optionally add nofollow', function() {
+        expect(element(by.id('linky-target')).
+            element(by.binding("snippetWithTarget | linky:'_self':true")).getText()).
+            toBe('http://angularjs.org/');
+        expect(element(by.css('#linky-target a')).getAttribute('rel')).toEqual('nofollow');
+       });
      </file>
    </example>
  */
@@ -107,7 +115,7 @@ angular.module('ngSanitize').filter('linky', ['$sanitize', function($sanitize) {
         /((ftp|https?):\/\/|(www\.)|(mailto:)?[A-Za-z0-9._%+-]+@)\S*[^\s.;,(){}<>"\u201d\u2019]/i,
       MAILTO_REGEXP = /^mailto:/i;
 
-  return function(text, target) {
+  return function(text, target, nofollow) {
     if (!text) return text;
     var match;
     var raw = text;
@@ -143,6 +151,9 @@ angular.module('ngSanitize').filter('linky', ['$sanitize', function($sanitize) {
                   target,
                   '" ');
       }
+      if (nofollow) {
+        html.push('rel="nofollow" ');
+      }
       html.push('href="',
                 url.replace(/"/g, '&quot;'),
                 '">');