refactor repeat function to enhance input validation for string type

alexandru-pocovnicu · alexandru-pocovnicu · commit 9c86871ef83d · 2025-10-27T12:27:21.000Z
diff --git a/Sprint-3/2-practice-tdd/repeat.js b/Sprint-3/2-practice-tdd/repeat.js
@@ -1,4 +1,7 @@
 function repeat(str, count) {
+  if (typeof str !== "string") {
+    return "Error: str must be a string";
+  }
   if (count < 0 || count === undefined || typeof count !== "number") {
     return "Error : count must be a positive integer";
   }

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,7 @@`
`1`	`1`	`function repeat(str, count) {`
	`2`	`+ if (typeof str !== "string") {`
	`3`	`+ return "Error: str must be a string";`
	`4`	`+ }`
`2`	`5`	`if (count < 0 \|\| count === undefined \|\| typeof count !== "number") {`
`3`	`6`	`return "Error : count must be a positive integer";`
`4`	`7`	`}`