Parsing bug in rrulestr function

[yim-jj]

Reporting an issue

Thank you for taking an interest in rrule! Please include the following in your report:

• [x] Verify that you've looked through existing issues for duplicates before creating a new one
• [x] Code sample reproducing the issue. Be sure to include all input values you are using such as the exact RRule string and dates.

rrulestr(
        "DTSTART;TZID=Asia/Seoul:20230628T143000\nRRULE:FREQ=WEEKLY;INTERVAL=1;WKST=MO;BYDAY=WE;BYHOUR=14;BYMINUTE=30;BYSECOND=0;UNTIL=20230705T142900\nDTSTART;TZID=Asia/Seoul:20230712T143000\nRRULE:INTERVAL=1;FREQ=WEEKLY;BYDAY=WE",
        {
          forceset: true,
        }
      )

• [x] Expected output Since rruleset has two rrules, and each dtstart is 20230628T143000 and 20230712T143000, the dtstarts of rrules parsed through rrulestr must also be parsed as different dtstarts.
• [x] Actual output Although dtstart points to different rrules, the dtstart of each rrule is the same as shown below.

{
    "_cache": null,
    "origOptions": {},
    "options": {
        "freq": 0,
        "dtstart": "2023-06-21T07:24:15.000Z",
        "interval": 1,
        "wkst": 0,
        "count": null,
        "until": null,
        "tzid": null,
        "bysetpos": null,
        "bymonth": [
            6
        ],
        "bymonthday": [
            21
        ],
        "bynmonthday": [],
        "byyearday": null,
        "byweekno": null,
        "byweekday": null,
        "bynweekday": null,
        "byhour": [
            7
        ],
        "byminute": [
            24
        ],
        "bysecond": [
            15
        ],
        "byeaster": null
    },
    "_rrule": [
        {
            "_cache": null,
            "origOptions": {
                "freq": 2,
                "interval": 1,
                "wkst": {
                    "weekday": 0
                },
                "byweekday": [
                    {
                        "weekday": 2
                    }
                ],
                "byhour": 14,
                "byminute": 30,
                "bysecond": 0,
                "until": "2023-07-05T14:29:00.000Z",
                "dtstart": "2023-06-28T14:30:00.000Z",
                "tzid": "Asia/Seoul"
            },
            "options": {
                "freq": 2,
                "dtstart": "2023-06-28T14:30:00.000Z",
                "interval": 1,
                "wkst": 0,
                "count": null,
                "until": "2023-07-05T14:29:00.000Z",
                "tzid": "Asia/Seoul",
                "bysetpos": null,
                "bymonth": null,
                "bymonthday": [],
                "bynmonthday": [],
                "byyearday": null,
                "byweekno": null,
                "byweekday": [
                    2
                ],
                "bynweekday": null,
                "byhour": [
                    14
                ],
                "byminute": [
                    30
                ],
                "bysecond": [
                    0
                ],
                "byeaster": null
            }
        },
        {
            "_cache": null,
            "origOptions": {
                "interval": 1,
                "freq": 2,
                "byweekday": [
                    {
                        "weekday": 2
                    }
                ],
                "dtstart": "2023-06-28T14:30:00.000Z",
                "tzid": "Asia/Seoul"
            },
            "options": {
                "freq": 2,
                "dtstart": "2023-06-28T14:30:00.000Z",
                "interval": 1,
                "wkst": 0,
                "count": null,
                "until": null,
                "tzid": "Asia/Seoul",
                "bysetpos": null,
                "bymonth": null,
                "bymonthday": [],
                "bynmonthday": [],
                "byyearday": null,
                "byweekno": null,
                "byweekday": [
                    2
                ],
                "bynweekday": null,
                "byhour": [
                    14
                ],
                "byminute": [
                    30
                ],
                "bysecond": [
                    0
                ],
                "byeaster": null
            }
        }
    ],
    "_rdate": [],
    "_exrule": [],
    "_exdate": [],
    "_dtstart": "2023-06-28T14:30:00.000Z",
    "_tzid": "Asia/Seoul"
}

• [x] The version of rrule you are using 2.7.2
• [x] Your operating system macOS
• [x] Your local timezone (run $ date from the command line of the machine showing the bug) 2023년 6월 21일 수요일 16시 44분 54초 KST

[Sideways-Sky]

I'm also experiencing this same issue on Windows Saturday, September 2, 2023 10:08:11 AM