Merged Meetings via. Interview Cake

mergedMeetings.js

// Final solution

function mergeRanges (meetings) {
  // sort by start time
  var sortedMeetings = meetings.slice().sort(function (a, b) {
    return a.startTime > b.startTime ? 1: -1
  })
  
  // initialize meetings with first from sorted meetings
  var mergedMeetings = [sortedMeetings[0]]
  
  for (var i = 0; i < sortedMeetings.length; i++) {
    var currentMeeting = sortedMeetings[i];
    var lastMergedMeeting = mergedMeetings[mergedMeetings.length - 1]
    
    if (currentMeeting.startTime <= lastMergedMeeting.endTime) {
      lastMergedMeeting = Math.max(lastMergedMeeting.endTime, currentMeeting.endTime)
    } else {
      mergedMeetings.push(currentMeeting)
    }
  }
       
  return mergedMeetings;
//   console.log(sortedMeetings);
}

var myMeetings = [
  {startTime: 1, endTime: 3}, 
  {startTime: 2, endTime: 4},
  {startTime: 0, endTime: 1}
]

console.log(mergeRanges(myMeetings));