From 9a46e22316ee70ce1991d61a7504781a0f026296 Mon Sep 17 00:00:00 2001
From: Piotr Krajewski <mits87@gmail.com>
Date: Wed, 11 Mar 2020 18:13:30 +0100
Subject: [PATCH] Update index.js

---
 index.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/index.js b/index.js
index 725fdd1..d4f37fe 100644
--- a/index.js
+++ b/index.js
@@ -1,5 +1,6 @@
 const transform = (input, callback) => {
-    if (!input || typeof input !== 'object') return callback(input);
+    if (typeof input === 'string') return callback(input);
+    if (!input || typeof input !== 'object') return input;
     if (Array.isArray(input)) return input.map(item => transform(item, callback));
 
     return Object.keys(input).reduce((acc, key) => {