Utility to get time of day example Morning, Afternoon or Evening

time-of-day-util.ts

// Set of utility functions
export const TimeUtils = {
  /**
   * Get the time of day
   * =========================================================================
   * This utility will get the time of day like Morning, Afternoon, Evening.
   * <br/>
   *
   * example: getTimeOfDay() -> morning
   * example: getTimeOfDay(new Date()) -> afternoon
   * <br/>
   *
   * @return {[type]} [description]
   */
  getTimeOfDay: function(now: Date = null): string {
      const currHour = now ? now.getHours() : new Date().getHours();
      return currHour < 12 ? 'morning' : currHour < 18 ? 'afternoon' : 'evening';
  }
};