RRuleParser

import { RRuleParser } from '@forcecalendar/core';

interface Rule {
  freq: 'SECONDLY' | 'MINUTELY' | 'HOURLY' | 'DAILY' | 'WEEKLY' | 'MONTHLY' | 'YEARLY';
  interval: number;       // >= 1
  count: number | null;
  until: Date | null;
  byDay: string[];        // e.g., ['MO', '2TU', '-1FR']
  byWeekNo: number[];     // 1-53 or -53 to -1
  byMonth: number[];      // 1-12
  byMonthDay: number[];   // 1-31 or -31 to -1
  byYearDay: number[];    // 1-366 or -366 to -1
  bySetPos: number[];
  byHour: number[];       // 0-23
  byMinute: number[];     // 0-59
  bySecond: number[];     // 0-59
  wkst: string;           // Default 'MO'
  exceptions: Date[];
  tzid: string | null;
}