Refactor toUpperSnakeCase function for improved readability

Author: moses77-boop

Sprint-3/3-mandatory-implement/2-cases.js

@@ -19,6 +19,8 @@ function toUpperSnakeCase(input){
     if (typeof input !== "string"){
         throw new Error("Input must be a string")
     }
-    return input.trim().replaceAll(/\s+/g, "_").toUpperCase();
+    return input.trim()
+                .replaceAll(/\s+/g, "_")
+                .toUpperCase();
 }
 console.log (toUpperSnakeCase("lord of the rings season 1 episode 1"));