add isRelativeModule

index.js

@@ -47,8 +47,15 @@ function splitPackageName(moduleName) {
   }
 }
 
+function startsWith(str, prefix) {
+  return str.slice(0, prefix.length) === prefix;
+}
+
 module.exports = {
   findAll: findAll,
   replaceAll: replaceAll,
-  splitPackageName: splitPackageName
+  splitPackageName: splitPackageName,
+  isRelativeModule: function (dep) {
+    return startsWith(dep, './') || startsWith(dep, '../');
+  }
 };

package.json

@@ -1,6 +1,6 @@
 {
   "name": "match-require",
-  "version": "1.0.1",
+  "version": "1.0.2",
   "description": "find require calls from string using regexp",
   "keywords": [
     "require",

tests/spec/index.js

@@ -80,4 +80,18 @@ describe('match require', function () {
       });
     });
   });
+
+  describe('isRelativeModule',function(){
+    it('works for xx',function(){
+      expect(matchRequire.isRelativeModule('xx')).to.be(false);
+    });
+
+    it('works for ../x',function(){
+      expect(matchRequire.isRelativeModule('../xx')).to.be(true);
+    });
+
+    it('works for ./x',function(){
+      expect(matchRequire.isRelativeModule('./xx')).to.be(true);
+    });
+  });
 });