Manchester | 26-ITP-Sep | Rahana Suleiman | Sprint 1 | formatting-edge-cases

format-clock-edge-cases/timeConverter.js

@@ -1,11 +1,18 @@
 function formatAs12HourClock(time) {
+  const [hoursStr, minutesStr] = time.split(":");
+  let hours = Number(hoursStr);
 
-  const hours = Number(time.slice(0, 2));
+  const period = hours >= 12 ? "pm" : "am";
 
-  if (hours > 12) {
-    return `${hours - 12}:00 pm`;
+  if (hours === 0) {
+    hours = 12;
+  } else if (hours > 12) {
+    hours = hours - 12;
   }
-  return `${time} am`;
+
+  const formattedHours = hours.toString().padStart(2, "0");
+
+  return `${formattedHours}:${minutesStr} ${period}`;
 }
 
-export {formatAs12HourClock};
+export { formatAs12HourClock };

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

@@ -1,11 +1,27 @@
-import {formatAs12HourClock} from "./timeConverter.js";
+import { formatAs12HourClock } from "./timeConverter.js";
 import assert from "node:assert";
 import test from "node:test";
 
-test("correctly convert time after 12:00", function(){
-    assert.equal(formatAs12HourClock("23:00"), "11:00 pm");
+test("correctly convert late evening time", function () {
+  assert.equal(formatAs12HourClock("23:00"), "11:00 pm");
 });
 
-test("can correctly convert morning time", function() {
-    assert.equal(formatAs12HourClock("08:00"), "08:00 am");
+test("can correctly convert morning time", function () {
+  assert.equal(formatAs12HourClock("08:00"), "08:00 am");
 });
+
+test("can correctly convert noon", function () {
+  assert.equal(formatAs12HourClock("12:00"), "12:00 pm");
+});
+
+test("can correctly convert midnight", function () {
+  assert.equal(formatAs12HourClock("00:00"), "12:00 am");
+});
+
+test("preserves non-zero minutes in afternoon", function () {
+  assert.equal(formatAs12HourClock("13:45"), "01:45 pm");
+});
+
+test("can correctly convert post-noon minutes", function () {
+  assert.equal(formatAs12HourClock("12:30"), "12:30 pm");
+});