Strech-extend tasks are done

Author: shaghayeghfar

Sprint-2/5-stretch-extend/format-time.js

@@ -1,25 +1,85 @@
-// This is the latest solution to the problem from the prep.
-// Make sure to do the prep before you do the coursework
-// 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.
+// // This is the latest solution to the problem from the prep.
+// // Make sure to do the prep before you do the coursework
+// // 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));
+//   if (hours > 12) {
+//     return `${hours - 12}:00 pm`;
+//   }
+//   return `${time} am`;
+// }
+
+// const currentOutput = formatAs12HourClock("08:00");
+// const targetOutput = "08:00 am";
+// console.assert(
+//   currentOutput === targetOutput,
+//   `current output: ${currentOutput}, target output: ${targetOutput}`
+// );
+
+// const currentOutput2 = formatAs12HourClock("23:00");
+// const targetOutput2 = "11:00 pm";
+// console.assert(
+//   currentOutput2 === targetOutput2,
+//   `current output: ${currentOutput2}, target output: ${targetOutput2}`
+// );
+
+// // ======= TESTS =======
+
+// // Before midday
+// console.log(formatAs12HourClock("08:00")); // 08:00 am
+// console.log(formatAs12HourClock("09:45")); // 09:45 am
+
+// // Midday / Noon
+// console.log(formatAs12HourClock("12:00")); // 12:00 pm
+// console.log(formatAs12HourClock("12:30")); // 12:30 pm
+
+// // After midday
+// console.log(formatAs12HourClock("14:15")); // 02:15 pm
+// console.log(formatAs12HourClock("23:00")); // 11:00 pm
+
+// // Midnight
+// console.log(formatAs12HourClock("00:00")); // 12:00 am
+// console.log(formatAs12HourClock("00:30")); // 12:30 am
+
+// Function to convert 24-hour time to 12-hour time
 function formatAs12HourClock(time) {
-  const hours = Number(time.slice(0, 2));
-  if (hours > 12) {
-    return `${hours - 12}:00 pm`;
+  // Split the time into hours and minutes
+  let parts = time.split(":");
+  let hours = Number(parts[0]);
+  let minutes = parts[1];
+
+  // Decide if it's am or pm
+  let suffix = hours >= 12 ? "pm" : "am";
+
+  // Convert hours to 12-hour format
+  if (hours === 0) {
+    hours = 12; // midnight
+  } else if (hours > 12) {
+    hours = hours - 12; // afternoon
   }
-  return `${time} am`;
+
+  // Make sure hours are always 2 digits
+  let hoursStr = hours.toString().padStart(2, "0");
+
+  // Return the formatted time
+  return hoursStr + ":" + minutes + " " + suffix;
 }
 
-const currentOutput = formatAs12HourClock("08:00");
-const targetOutput = "08:00 am";
-console.assert(
-  currentOutput === targetOutput,
-  `current output: ${currentOutput}, target output: ${targetOutput}`
-);
-
-const currentOutput2 = formatAs12HourClock("23:00");
-const targetOutput2 = "11:00 pm";
-console.assert(
-  currentOutput2 === targetOutput2,
-  `current output: ${currentOutput2}, target output: ${targetOutput2}`
-);
+// ======= TESTS =======
+
+// Before midday
+console.log(formatAs12HourClock("08:00"));
+console.log(formatAs12HourClock("09:45"));
+
+// Midday / Noon
+console.log(formatAs12HourClock("12:00"));
+console.log(formatAs12HourClock("12:30"));
+
+// After midday
+console.log(formatAs12HourClock("14:15"));
+console.log(formatAs12HourClock("23:00"));
+
+// Midnight
+console.log(formatAs12HourClock("00:00"));
+console.log(formatAs12HourClock("00:30"));