utils/ts-src/getDays.ts

/**
 * Get number of days between two Date objects
 * @param startdate
 * @param enddate
 */

export function getDays(startdate: Date, enddate: Date): number {
  const startMS = startdate.getTime();
  const endMS = enddate.getTime();

  return Math.ceil((endMS - startMS) / (24 * 60 * 60 * 1000));
}