Handle invalid extra closing brace

lib/parse/index.js

@@ -11,6 +11,7 @@ module.exports = function(css, options){
 
   var lineno = 1;
   var column = 1;
+  var nestinglevel = 0
 
   /**
    * Update lineno and column based on `str`.
@@ -95,15 +96,19 @@ module.exports = function(css, options){
    */
 
   function open() {
-    return match(/^{\s*/);
+    var hasopenbrace = match(/^{\s*/);
+    if (hasopenbrace) nestinglevel++
+    return hasopenbrace
   }
 
   /**
    * Closing brace.
    */
 
   function close() {
-    return match(/^}/);
+    var hasclosebrace = match(/^}/);
+    if (hasclosebrace) nestinglevel--
+    return hasclosebrace
   }
 
   /**
@@ -119,6 +124,7 @@ module.exports = function(css, options){
       if (node !== false) {
         rules.push(node);
         comments(rules);
+        incorrectclosingbrace();
       }
     }
     return rules;
@@ -188,6 +194,22 @@ module.exports = function(css, options){
     });
   }
 
+  /**
+   * Parse incorrect closing brace.
+   */
+
+  function incorrectclosingbrace() {
+    if (css.length && nestinglevel === 0 && css.charAt(0) == '}') {
+      error('Extra closing brace')
+      // remove the closing brace so parsing can continue
+      css = css.slice(1);
+      updatePosition('}');
+      whitespace();
+      // catch multiple incorrect closing braces in a row
+      incorrectclosingbrace();
+    }
+  }
+
   /**
    * Parse selector.
    */

test/parse.js

@@ -76,6 +76,22 @@ describe('parse(str)', function() {
 
   });
 
+  it('should handle invalid extra closing brace', function() {
+    var result = parse('foo { color: red; }} bar { color: blue; }', {
+      silent: true,
+      source: 'foo.css'
+    });
+
+    var rules = result.stylesheet.rules;
+    rules.length.should.equal(2);
+
+    var errors = result.stylesheet.parsingErrors;
+    errors.length.should.equal(1);
+
+    errors[0].line.should.equal(1);
+    errors[0].column.should.equal(20);
+  });
+
   it('should set parent property', function() {
     var result = parse(
       'thing { test: value; }\n' +