minor improvements

utils/jsonTransformer.js

@@ -0,0 +1,22 @@
+/**
+ * Returns a single string of the values of all keys in the given JSON object, even nested ones.
+ * 
+ * @param {*} obj 
+ * @returns
+ */
+const getNestedValuesString = (obj) => {
+	let values = [];
+	for (key in obj) {
+		if (typeof obj[key] !== "object") {
+			values.push(obj[key]);
+		} else {
+			values = values.concat(getNestedValuesString(obj[key]));
+		}
+	}
+
+	return values.join();
+}
+
+module.exports = {
+	getNestedValuesString
+}