update normalize-string.js

Author: ioncakephper

src/utils/normalize-string.js

@@ -10,7 +10,10 @@
 function normalizeString(str) {
   if (str === null || str === undefined) {
     throw new Error('Input cannot be null or undefined.');
-  }
+  }       
+
+
+  
 
   let s = String(str);