Function parseDtstart

codebase/sources/dhtmlxscheduler.es.js:17037–17049

(line)

  return __assign(__assign({}, options[0]), options[1]);
}
function parseDtstart(line) {
  var options = {};
  var dtstartWithZone = /DTSTART(?:;TZID=([^:=]+?))?(?::|=)([^;\s]+)/i.exec(line);
  if (!dtstartWithZone) {
    return options;
  }
  var tzid = dtstartWithZone[1], dtstart = dtstartWithZone[2];
  if (tzid) {
    options.tzid = tzid;
  }
  options.dtstart = untilStringToDate(dtstart);
  return options;
}
function parseLine(rfcString) {
  rfcString = rfcString.replace(/^\s+|\s+$/, "");
  if (!rfcString.length)