Fix line count when EOF is added to file

Removes '\\ No newline at end of file' information from the diff lines.
The test case is based on Bitbucket's diff attached to issue #49.

src/diff-parser.js

@@ -122,7 +122,9 @@
       }
     };
 
-    var diffLines = diffInput.split('\n');
+    var diffLines =
+      diffInput.replace(/\\ No newline at end of file/g, '')
+        .split('\n');
 
     /* Diff */
     var oldMode = /^old mode (\d{6})/;

test/diff2html-tests.js

@@ -22,5 +22,54 @@ describe('Diff2Html', function() {
       assert.equal('sample', file1.newName);
       assert.equal(1, file1.blocks.length);
     });
+
+    // Test case for issue #49
+    it('should parse diff with added EOF', function() {
+      var diff =
+        'diff --git a/sample.scala b/sample.scala\n' +
+        'index b583263..8b2fc3e 100644\n' +
+        '--- a/b583263..8b2fc3e\n' +
+        '+++ b/8b2fc3e\n' +
+        '@@ -50,5 +50,7 @@ case class Response[+A](value: Option[A],\n' +
+        ' object ResponseErrorCode extends JsonEnumeration {\n' +
+        '  val NoError, ServiceError, JsonError,\n' +
+        '  InvalidPermissions, MissingPermissions, GenericError,\n' +
+        '-  TokenRevoked, MissingToken = Value\n' +
+        '-}\n' +
+        '\\ No newline at end of file\n' +
+        '+  TokenRevoked, MissingToken,\n' +
+        '+  IndexLock, RepositoryError, NotValidRepo, PullRequestNotMergeable, BranchError,\n' +
+        '+  PluginError, CodeParserError, EngineError = Value\n' +
+        '+}\n';
+      var result = Diff2Html.getJsonFromDiff(diff);
+
+      assert.equal(50, result[0].blocks[0].lines[0].oldNumber);
+      assert.equal(50, result[0].blocks[0].lines[0].newNumber);
+
+      assert.equal(51, result[0].blocks[0].lines[1].oldNumber);
+      assert.equal(51, result[0].blocks[0].lines[1].newNumber);
+
+      assert.equal(52, result[0].blocks[0].lines[2].oldNumber);
+      assert.equal(52, result[0].blocks[0].lines[2].newNumber);
+
+      assert.equal(53, result[0].blocks[0].lines[3].oldNumber);
+      assert.equal(null, result[0].blocks[0].lines[3].newNumber);
+
+      assert.equal(54, result[0].blocks[0].lines[4].oldNumber);
+      assert.equal(null, result[0].blocks[0].lines[4].newNumber);
+
+      assert.equal(null, result[0].blocks[0].lines[5].oldNumber);
+      assert.equal(53, result[0].blocks[0].lines[5].newNumber);
+
+      assert.equal(null, result[0].blocks[0].lines[6].oldNumber);
+      assert.equal(54, result[0].blocks[0].lines[6].newNumber);
+
+
+      assert.equal(null, result[0].blocks[0].lines[7].oldNumber);
+      assert.equal(55, result[0].blocks[0].lines[7].newNumber);
+
+      assert.equal(null, result[0].blocks[0].lines[8].oldNumber);
+      assert.equal(56, result[0].blocks[0].lines[8].newNumber);
+    });
   });
 });