addon/utils/constant.js
const YEAR_FLAG = 'years';
const MONTH_FLAG = 'months';
const DAY_FLAG = 'days';
const WEEKDAY_FLAG = 'weekdays';
const HOUR_FLAG = 'hours';
const MINUTE_FLAG = 'minutes';
const SECONDS_FLAG = 'seconds';
const MERIDIAN_FLAG = 'meridian';
export { YEAR_FLAG, MONTH_FLAG, WEEKDAY_FLAG, DAY_FLAG, HOUR_FLAG, MINUTE_FLAG, SECONDS_FLAG, MERIDIAN_FLAG };