dateParseHelper.js

const dateParseHelper = sessions => {
  let options = {
    day: "numeric",
    month: "short",
    year: "numeric",
    hour: "2-digit",
    minute: "2-digit",
    hourCycle: "h24"
  };
  const convertedSessions = sessions.map(session => {
    let startDate = new Date(session.startDate);
    let endDate = new Date(session.endDate);
    [
      session.startDate,
      session.startYear,
      session.startTime
    ] = startDate.toLocaleDateString("EN", options).split(", ");
    [
      session.endDate,
      session.startYear,
      session.endTime
    ] = endDate.toLocaleDateString("EN", options).split(", ");
    session.startDate = convertDateFormat(session.startDate)
    session.endDate = convertDateFormat(session.endDate)
    return session;
  });
  return convertedSessions;
};

const convertDateFormat = date => {
  const [month, day] = date.split(" ");
  switch (day) {
    case "1":
    case "21":
    case "31":
      return `${day}st ${month}`;
    case "2":
    case "22":
      return `${day}nd ${month}`;
    case "3":
      return `${day}rd ${month}`;
    default:
      return `${day}th ${month}`;
  }
};

export default dateParseHelper;