Fix only: parsing bug

Fixes #9

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## 0.4.1 - 2016-03-05
+
+- Fixed parsing bug for `only:` modifier
+
 ## 0.4.0 - 2016-03-05
 
 - Added start-of-line (<<) and end-of-line (>>) position operators

lib/grammar.pegjs

@@ -31,7 +31,7 @@ positions         =
 identifier        =
   firstChar:[a-zA-Z_] suffix:[a-zA-Z0-9_-]* { return firstChar + suffix.join(''); }
 
-only              = "only:" / "=" { return "="; }
+only              = ("only:" / "=") { return "="; }
 modifier          = only:only { return only }
 
 scopeSuffix       =

spec/grammar-spec.js

@@ -129,16 +129,34 @@ describe('Grammar', () => {
           ]);
         });
 
+        it('should parse single part scope', () => {
+          expect(parse.parse('<- only:something')).toEqual([
+            [1],
+            ['=', ['something']],
+          ]);
+        });
+
         it('should parse grouped scope', () => {
           expect(parse.parse('<- =(something else)')).toEqual([
             [1],
             ['=', ['something', 'else']],
           ]);
         });
 
+        it('should parse grouped scope', () => {
+          expect(parse.parse('<- only:(something else)')).toEqual([
+            [1],
+            ['=', ['something', 'else']],
+          ]);
+        });
+
         it('should not parse ungrouped scope', () => {
           expect(() => parse.parse('<- =something else')).toThrow();
         });
+
+        it('should not parse ungrouped scope', () => {
+          expect(() => parse.parse('<- only:something else')).toThrow();
+        });
       });
     });
   });