format-time.js

// 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));
  const minutes = time.slice(3, 5);
  if (hours === 0) {
    return `12:${minutes} am`;
  }
  if (hours === 12) {
    return `12:${minutes} pm`;
  }
  if (hours > 12) {
   return `${String(hours - 12).padStart(2, "0")}:${minutes} pm`;
  }
  return `${time} am`;
}



// Tests
console.log(formatAs12HourClock("08:00"));
console.log(formatAs12HourClock("15:45")); 
console.log(formatAs12HourClock("12:00")); 
console.log(formatAs12HourClock("00:00"));