Fix function to allow only string for valueToRepeat and positive integer for numOfTimes; all other inputs return an error message

Author: Iswanna

Sprint-3/2-practice-tdd/repeat.js

@@ -1,27 +1,25 @@
 function repeat(valueToRepeat, numOfTimes) {
+  // Validate valueToRepeat
+  if (typeof valueToRepeat !== "string") {
+    return "Invalid input: valueToRepeat should be a string";
+  }
   // Validate numOfTimes
   if (!Number.isInteger(numOfTimes)) {
-    return "Invalid numOfTimes: numOfTimes should be an integer";
+    return "Invalid input: numOfTimes should be an integer";
   }
+
   if (numOfTimes < 0) {
     return "Negative number invalid";
   }
   if (numOfTimes === 0) {
     return "";
   }
 
-  // Convert arrays to empty string
-  if (Array.isArray(valueToRepeat)) {
-    valueToRepeat = "";
-  }
-
-  // Convert other types to string
-  const strValue = String(valueToRepeat);
 
   // Repeat the string
   let repeatedValue = "";
   for (let i = 0; i < numOfTimes; i++) {
-    repeatedValue += strValue;
+    repeatedValue += valueToRepeat;
   }
 
   return repeatedValue;