Function parseRrule

codebase/sources/dhtmlxscheduler.es.js:17069–17117

(line)

  }
}
function parseRrule(line) {
  var strippedLine = line.replace(/^RRULE:/i, "");
  var options = parseDtstart(strippedLine);
  var attrs = line.replace(/^(?:RRULE|EXRULE):/i, "").split(";");
  attrs.forEach(function(attr) {
    var _a = attr.split("="), key = _a[0], value = _a[1];
    switch (key.toUpperCase()) {
      case "FREQ":
        options.freq = Frequency[value.toUpperCase()];
        break;
      case "WKST":
        options.wkst = Days[value.toUpperCase()];
        break;
      case "COUNT":
      case "INTERVAL":
      case "BYSETPOS":
      case "BYMONTH":
      case "BYMONTHDAY":
      case "BYYEARDAY":
      case "BYWEEKNO":
      case "BYHOUR":
      case "BYMINUTE":
      case "BYSECOND":
        var num = parseNumber(value);
        var optionKey = key.toLowerCase();
        options[optionKey] = num;
        break;
      case "BYWEEKDAY":
      case "BYDAY":
        options.byweekday = parseWeekday(value);
        break;
      case "DTSTART":
      case "TZID":
        var dtstart = parseDtstart(line);
        options.tzid = dtstart.tzid;
        options.dtstart = dtstart.dtstart;
        break;
      case "UNTIL":
        options.until = untilStringToDate(value);
        break;
      case "BYEASTER":
        options.byeaster = Number(value);
        break;
      default:
        throw new Error("Unknown RRULE property '" + key + "'");
    }
  });
  return options;
}
function parseNumber(value) {
  if (value.indexOf(",") !== -1) {
    var values = value.split(",");