diff --git a/.gitignore b/.gitignore
index 46833c1..dad3e7c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -28,4 +28,4 @@ npm-debug.log
 test/data/**/*.rt.actual.js
 test/data/**/*.code.js
 test/data/**/*.actual.html
-
+/package-lock.json
diff --git a/src/RTCodeError.js b/src/RTCodeError.js
index 5db057d..581e8a0 100644
--- a/src/RTCodeError.js
+++ b/src/RTCodeError.js
@@ -20,19 +20,25 @@ function getLine(html, node) {
     return {line: linesUntil.length, col: linesUntil[linesUntil.length - 1].length + 1}
 }
 
+/**
+ * @param {number} n
+ * @return {number}
+ */
 function norm(n) {
     return n === undefined ? -1 : n
 }
 
 /**
- * @param {string} message
- * @param {number=} startOffset
- * @param {number=} endOffset
- * @param {number=} line
- * @param {number=} column
- * @constructor
+ *
  */
 class RTCodeError extends Error {
+    /**
+     * @param {string} message
+     * @param {number=} startOffset
+     * @param {number=} endOffset
+     * @param {number=} line
+     * @param {number=} column
+     */
     constructor(message, startOffset, endOffset, line, column) {
         super()
         Error.captureStackTrace(this, RTCodeError)
diff --git a/test/data/div.rt.15.js b/test/data/div.rt.15.js
new file mode 100644
index 0000000..8a94252
--- /dev/null
+++ b/test/data/div.rt.15.js
@@ -0,0 +1,9 @@
+define([
+    'react',
+    'lodash'
+], function (React, _) {
+    'use strict';
+    return function () {
+        return React.createElement('div', {});
+    };
+});