fix: improve time formatting logic in formatAs12HourClock function

Author: chefmatthaus-hub

Sprint-3/5-stretch-extend/format-time.js

@@ -3,11 +3,23 @@
 // Your task is to write tests for as many different groups of input data or edge cases as you can, and fix any bugs you find.
 
 function formatAs12HourClock(time) {
-  const hours = Number(time.slice(0, 2));
+  const hoursStr = time.slice(0, 2);
+  const hours = Number(hoursStr);
+  const minutes = time.slice(3, 5);
+
+  if (hours === 0) {
+    return `12:${minutes} am`;
+  }
+
   if (hours > 12) {
-    return `${hours - 12}:00 pm`;
+    return `${String(hours - 12).padStart(2, '0')}:${minutes} pm`;
   }
-  return `${time} am`;
+
+  if (hours === 12) {
+    return `12:${minutes} pm`;
+  }
+
+  return `${hoursStr}:${minutes} am`;
 }
 
 const currentOutput = formatAs12HourClock("08:00");
@@ -23,3 +35,21 @@ console.assert(
   currentOutput2 === targetOutput2,
   `current output: ${currentOutput2}, target output: ${targetOutput2}`
 );
+
+const currentOutput3 = formatAs12HourClock("12:30");
+const targetOutput3 = "12:30 pm";
+console.assert(
+  currentOutput3 === targetOutput3,
+  `current output: ${currentOutput3}, target output: ${targetOutput3}`
+);
+
+const currentOutput4 = formatAs12HourClock("00:15");
+const targetOutput4 = "12:15 am";
+console.assert(
+  currentOutput4 === targetOutput4,
+  `current output: ${currentOutput4}, target output: ${targetOutput4}`
+);
+
+console.log(formatAs12HourClock("13:15"));
+console.log(formatAs12HourClock("05:53"));
+console.log(formatAs12HourClock("19:36"));