Function isSeries

codebase/sources/dhtmlxscheduler.js:18319–18321

(event2)

      return !!event2.deleted;
    }
    function isSeries(event2) {
      return !!event2.rrule && !event2.recurring_event_id;
    }
    function clearRecurringProperties(event2) {
      event2.rrule = "";
      event2.original_start = null;