diff --git a/ts/00_commitinfo_data.ts b/ts/00_commitinfo_data.ts
index 8c22214..8385bc6 100644
--- a/ts/00_commitinfo_data.ts
+++ b/ts/00_commitinfo_data.ts
@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@push.rocks/smartfile',
-  version: '10.0.29',
+  version: '10.0.30',
   description: 'offers smart ways to work with files in nodejs'
 }
diff --git a/ts/smartfile.fs.ts b/ts/smartfile.fs.ts
index 79fb773..38ab6fe 100644
--- a/ts/smartfile.fs.ts
+++ b/ts/smartfile.fs.ts
@@ -40,7 +40,18 @@ export const fileExists = async (filePath): Promise<boolean> => {
 /**
  * Checks if given path points to an existing directory
  */
-export const isDirectory = (pathArg): boolean => {
+export const isDirectory = (pathArg: string): boolean => {
+  try {
+    return plugins.fsExtra.statSync(pathArg).isDirectory();
+  } catch (err) {
+    return false;
+  }
+};
+
+/**
+ * Checks if given path points to an existing directory
+ */
+export const isDirectorySync = (pathArg: string): boolean => {
   try {
     return plugins.fsExtra.statSync(pathArg).isDirectory();
   } catch (err) {