Add existing to tracked

node_modules/obj2gltf/lib/outsideDirectory.js

@@ -0,0 +1,17 @@
+"use strict";
+const path = require("path");
+
+module.exports = outsideDirectory;
+
+/**
+ * Checks if a file is outside of a directory.
+ *
+ * @param {String} file Path to the file.
+ * @param {String} directory Path to the directory.
+ * @returns {Boolean} Whether the file is outside of the directory.
+ *
+ * @private
+ */
+function outsideDirectory(file, directory) {
+  return path.relative(directory, file).indexOf("..") === 0;
+}