flutter_hijri_rrule 1.0.2

A comprehensive RFC 5545 recurrence rule library for the Hijri (Islamic) calendar. Supports Umm al-Qura and Tabular Islamic calendars.

1.0.2

• No changes

1.0.1

• Added GitHub Actions CI/CD workflows
• Documentation improvements

1.0.0

Initial release of flutter_hijri_rrule.

Features

• RFC 5545 RRULE Support: Recurrence rules adapted for the Hijri calendar

  • FREQ: YEARLY, MONTHLY, WEEKLY, DAILY
  • INTERVAL, COUNT, UNTIL
  • BYMONTH, BYMONTHDAY, BYDAY, BYYEARDAY, BYSETPOS
  • WKST (week start day)
  • SKIP parameter (OMIT, FORWARD, BACKWARD) for handling invalid dates

• HijriDate: Immutable Hijri date representation

  • Bidirectional conversion between Hijri and Gregorian dates
  • Date validation and comparison operators
  • Localized date formatting (English and Arabic)

• Calendar Support: Two Islamic calendar calculation methods

  • Umm al-Qura calendar (official Saudi calendar)
  • Tabular Islamic calendar (30-year cycle)

• HijriRRule: Single recurrence rule with query operations

  • all() / allHijri(): Get all occurrences
  • between() / betweenHijri(): Occurrences in date range
  • after() / afterHijri(): Next occurrence after date
  • before() / beforeHijri(): Previous occurrence before date
  • count(): Total occurrence count
  • Lazy iteration with Dart generators

• HijriRRuleSet: Combine multiple rules

  • Inclusion rules (RRULE) and dates (RDATE)
  • Exclusion rules (EXRULE) and dates (EXDATE)

• Natural Language Processing: Human-readable text generation

  • English language support
  • Arabic language support

• RRULE String Parsing: Parse and serialize RFC 5545 compliant strings

  • Custom CALENDAR parameter for Hijri calendar type
  • Full round-trip support (parse -> modify -> serialize)