Write a test and change code to correctly convert midnight

Author: ausiejute

format-clock-edge-cases/timeConverter.js

@@ -2,7 +2,9 @@ function formatAs12HourClock(time) {
   const hours = Number(time.slice(0, 2));
   const minutes = time.slice(3, 5);
 
-  if (hours > 12) {
+  if (hours === 0) {
+    return `12:${minutes} am`;
+  } else if (hours > 12) {
     const pmHours = (hours - 12).toString().padStart(2, "0");
     return `${pmHours}:${minutes} pm`;
   }

format-clock-edge-cases/timeConverter.test.js

@@ -18,3 +18,6 @@ test("can correctly convert hours before midnight", () =>
 
 test("can correctly convert hours before midday", () =>
   assert.equal(formatAs12HourClock("11:59"), "11:59 am"));
+
+test("can correctly convert midnight", () =>
+  assert.equal(formatAs12HourClock("00:00"), "12:00 am"));