Function untilStringToDate

codebase/sources/dhtmlxscheduler.js:15859–15865

(until)

    return [padStart(date.getUTCFullYear().toString(), 4, "0"), padStart(date.getUTCMonth() + 1, 2, "0"), padStart(date.getUTCDate(), 2, "0"), "T", padStart(date.getUTCHours(), 2, "0"), padStart(date.getUTCMinutes(), 2, "0"), padStart(date.getUTCSeconds(), 2, "0"), utc ? "Z" : ""].join("");
  };
  var untilStringToDate = function(until) {
    var re = /^(\d{4})(\d{2})(\d{2})(T(\d{2})(\d{2})(\d{2})Z?)?$/;
    var bits = re.exec(until);
    if (!bits)
      throw new Error("Invalid UNTIL value: ".concat(until));
    return new Date(Date.UTC(parseInt(bits[1], 10), parseInt(bits[2], 10) - 1, parseInt(bits[3], 10), parseInt(bits[5], 10) || 0, parseInt(bits[6], 10) || 0, parseInt(bits[7], 10) || 0));
  };
  var dateTZtoISO8601 = function(date, timeZone) {
    var dateStr = date.toLocaleString("sv-SE", { timeZone });
    return dateStr.replace(" ", "T") + "Z";