🐛 fix check for double semicolons

Author: DanPurdy

lib/rules/trailing-semicolon.js

@@ -13,7 +13,7 @@ module.exports = {
     var hasDoubleSemiColon = function (tree) {
 
       tree.traverseByType('declarationDelimiter', function (node, index, parent) {
-        if (parent.content[index + 1].is('declarationDelimiter')) {
+        if (parent.content[index + 1] && parent.content[index + 1].is('declarationDelimiter')) {
           result = helpers.addUnique(result, {
             'ruleId': parser.rule.name,
             'severity': parser.severity,
@@ -68,11 +68,11 @@ module.exports = {
                       });
                     }
                   }
-                  hasDoubleSemiColon(parent);
                 }
               }
             }
           }
+          hasDoubleSemiColon(parent);
         });
       });
     }

tests/rules/trailing-semicolon.js

@@ -12,7 +12,7 @@ describe('trailing semicolon - scss', function () {
     lint.test(file, {
       'trailing-semicolon': 1
     }, function (data) {
-      lint.assert.equal(8, data.warningCount);
+      lint.assert.equal(9, data.warningCount);
       done();
     });
   });
@@ -26,7 +26,7 @@ describe('trailing semicolon - scss', function () {
         }
       ]
     }, function (data) {
-      lint.assert.equal(4, data.warningCount);
+      lint.assert.equal(5, data.warningCount);
       done();
     });
   });