refactor function repeatStr()

XiaoQuark · XiaoQuark · commit b9967fa52a90 · 2026-02-24T17:05:24.000Z
diff --git a/Sprint-3/2-practice-tdd/repeat-str.js b/Sprint-3/2-practice-tdd/repeat-str.js
@@ -1,6 +1,6 @@
 function repeatStr(str, count) {
-  if (count >= 0) return str.repeat(count);
-  else throw new Error("Invalid format: count cannot be");
+  if (count < 0) throw new Error("Invalid format: count cannot be negative");
+  return str.repeat(count);
 }
 
 module.exports = repeatStr;

Original file line number	Diff line number	Diff line change
`@@ -1,6 +1,6 @@`
`1`	`1`	`function repeatStr(str, count) {`
`2`		`- if (count >= 0) return str.repeat(count);`
`3`		`- else throw new Error("Invalid format: count cannot be");`
	`2`	`+ if (count < 0) throw new Error("Invalid format: count cannot be negative");`
	`3`	`+ return str.repeat(count);`
`4`	`4`	`}`
`5`	`5`
`6`	`6`	`module.exports = repeatStr;`