export enum DateMode { NO_DATES = -1, YEAR_DATES, YEAR_MONTH_DATES, YEAR_MONTH_DAY_DATES, } export function getDateModeFromString(date: string | undefined): DateMode { let dateMode: DateMode = DateMode.NO_DATES; if (date !== undefined && date !== '' && date !== '0') { dateMode = (date.match(/\//g) || []).length; } return dateMode; }