Format 'logging' like dates.

loggingDate.js

const loggingDate = (date, region, offset) => {
  // check if we have a valid date to use
  if (!(date instanceof Date) || isNaN(date)) {
    console.error("Date object is invalid.");
    return false;
  } else {
    try {
      // get values from date
      const year = date.getFullYear(),
        month = date.getMonth() + 1, // months are zero indexed
        day = date.getDate(),
        hour = date.getHours(),
        minute = date.getMinutes(),
        second = date.getSeconds(),
        zone = date.toTimeString().slice(9, 17);

      const zeroFormat = (value) => {
        // put a zero in front if the value is less than 10 digits
        if (value < 10) {
          return "0" + value;
        } else {
          return value;
        }
      };

      // return formatted date by specified region, include timezone offset if true
      if (region) {
        if (region === "US") {
          return `${zeroFormat(month)}-${zeroFormat(day)}-${year}T${zeroFormat(
            hour
          )}:${zeroFormat(minute)}:${zeroFormat(second)}${offset ? zone : ""}`;
        } else if (region === "AS") {
          return `${year}-${zeroFormat(month)}-${zeroFormat(day)}T${zeroFormat(
            hour
          )}:${zeroFormat(minute)}:${zeroFormat(second)}${offset ? zone : ""}`;
        } else if (region === "EU") {
          return `${zeroFormat(day)}-${zeroFormat(month)}-${year}T${zeroFormat(
            hour
          )}:${zeroFormat(minute)}:${zeroFormat(second)}${offset ? zone : ""}`;
        } else {
          console.error(
            "Not a valid region paramater. Valid regions are US, EU and AS."
          );
          return false;
        }
      } else {
        return `${zeroFormat(day)}-${zeroFormat(month)}-${year}T${zeroFormat(
          hour
        )}:${zeroFormat(minute)}:${zeroFormat(second)}${offset ? zone : ""}`;
      }
    } catch (error) {
      console.error(error);
    }
  }
};

const datetime = new Date();
console.log(loggingDate(datetime, "US", true));
// example returns something like '02-14-2024T10:14:30GMT-0500'