import Moment from 'moment';

const DEFAULT_FORMAT = 'ddd D MMM'; // e.g. Thu 27 Aug

/**
 * Calculates the result of adding {days} days to the base date
 * @param base
 * @param days
 */
function calculateTarget(base: string, days: number) {
  return Moment(base).add(days, 'days');
}

export function filter(baseDate: string, format = DEFAULT_FORMAT, day = 0) {
  return calculateTarget(baseDate, day).format(format);
}