Update repeat-str.js

Author: joanne342

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

@@ -1,10 +1,7 @@
 function repeatStr(str, count) {
   // Your implementation of this function must *not* call String.prototype.repeat (https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/repeat).
   // The goal is to re-implement that function, not to use it.
-  if (count === 1) {
-    return str;
-
-  } else if (count < 0) {
+if (count < 0) {
     throw new Error("Something went wrong");
 
   } else if (count === 0) {
@@ -14,3 +11,5 @@ function repeatStr(str, count) {
     return Array.from({ length: count }, () => str).join("");
   }
 }
+
+module.exports = repeatStr;