Function optionsToString

codebase/sources/dhtmlxscheduler.js:17180–17250

(options)

    return DateWithZone2;
  }();
  function optionsToString(options) {
    var rrule = [];
    var dtstart = "";
    var keys = Object.keys(options);
    var defaultKeys2 = Object.keys(DEFAULT_OPTIONS$1);
    for (var i = 0; i < keys.length; i++) {
      if (keys[i] === "tzid")
        continue;
      if (!includes(defaultKeys2, keys[i]))
        continue;
      var key = keys[i].toUpperCase();
      var value = options[keys[i]];
      var outValue = "";
      if (!isPresent(value) || isArray(value) && !value.length)
        continue;
      switch (key) {
        case "FREQ":
          outValue = RRule.FREQUENCIES[options.freq];
          break;
        case "WKST":
          if (isNumber(value)) {
            outValue = new Weekday(value).toString();
          } else {
            outValue = value.toString();
          }
          break;
        case "BYWEEKDAY":
          key = "BYDAY";
          outValue = toArray(value).map(function(wday) {
            if (wday instanceof Weekday) {
              return wday;
            }
            if (isArray(wday)) {
              return new Weekday(wday[0], wday[1]);
            }
            return new Weekday(wday);
          }).toString();
          break;
        case "DTSTART":
          dtstart = buildDtstart(value, options.tzid);
          break;
        case "UNTIL":
          outValue = timeToUntilString(value, !options.tzid);
          break;
        default:
          if (isArray(value)) {
            var strValues = [];
            for (var j = 0; j < value.length; j++) {
              strValues[j] = String(value[j]);
            }
            outValue = strValues.toString();
          } else {
            outValue = String(value);
          }
      }
      if (outValue) {
        rrule.push([key, outValue]);
      }