added repeat fuction and comments of how code is working

Author: Grajales-K

Sprint-3/revise/implement/repeat.js

@@ -24,27 +24,30 @@
 // When the repeat function is called with these inputs,
 // Then it should throw an error or return an appropriate error message, as negative counts are not valid.
 
-function repeatString(str, count){
-    let newWords = "";
- //if count is greater than 1 if so repeat string count times 
- //else if count is 1 return the string  
- //else if count is 0 return empty string 
- //else if count is negative return error
-    if(count > 1){
-        for(let i = 0; i < count; i++){
-            newWords =  newWords + str + " "
-            
-        } 
-        return newWords.trimEnd();
+function repeatString(str, count) {
+  let newWords = "";
+  //if count is greater than 1 if so repeat string count times
+  //else if count is 1 return the string
+  //else if count is 0 return empty string
+  //else if count is negative return error
+    if (count > 1) {
+    for (let i = 0; i < count; i++) {
+      newWords += str + " ";
     }
-    else if(count === 0){
-        return "";
-    }
-    else if(count < 0 ){
-        console.error("error your number is negative");
-
-    }
-        
+    return newWords.trimEnd();
+  }
+  // Si count === 1, retorna el string original
+  else if (count === 1) {
+    return str;
+  }
+  // Si count === 0, retorna una cadena vacía
+  else if (count === 0) {
+    return "";
+  }
+  // Si count < 0, retorna un mensaje de error
+  else if (count < 0) {
+    return "error your number is negative";
+  }
 }
 
-console.log(repeatString("karla", -1))
+module.exports = repeatString;

Sprint-3/revise/implement/repeat.test.js

@@ -1,25 +1,32 @@
-// Implement a function repeat
+const repeatString = require("./repeat");
 
-// Given a target string str and a positive integer count,
-// When the repeat function is called with these inputs,
-// Then it should:
+function assertEquals(actualOutput, targetOutput) {
+  console.assert(
+    actualOutput === targetOutput,
+    `Expected "${actualOutput}" to equal "${targetOutput}"`
+  );
+}
 
-// case: repeat String:
-// Given a target string str and a positive integer count,
-// When the repeat function is called with these inputs,
-// Then it should repeat the str count times and return a new string containing the repeated str values.
+describe("repeatString Function Tests", () => {
+  test("Repeats string 3 times", () => {
+    const result = repeatString("hello", 3);
+    assertEquals(result, "hello hello hello");
+  });
 
-// case: handle Count of 1:
-// Given a target string str and a count equal to 1,
-// When the repeat function is called with these inputs,
-// Then it should return the original str without repetition, ensuring that a count of 1 results in no repetition.
+  test("Repeats string 1 time", () => {
+    const result = repeatString("world", 1);
+    assertEquals(result, "world");
+  });
 
-// case: Handle Count of 0:
-// Given a target string str and a count equal to 0,
-// When the repeat function is called with these inputs,
-// Then it should return an empty string, ensuring that a count of 0 results in an empty output.
+  test("Repeats string 0 times", () => {
+    const result = repeatString("test", 0);
+    assertEquals(result, "");
+  });
 
-// case: Negative Count:
-// Given a target string str and a negative integer count,
-// When the repeat function is called with these inputs,
-// Then it should throw an error or return an appropriate error message, as negative counts are not valid.
+  test("Handles negative count", () => {
+    const result = repeatString("errorTest", -2);
+    assertEquals(result, "error your number is negative");
+  });
+});
+
+console.log("All test cases executed!");