Parsing bug in rrulestr function

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

jkbrzt / rrule

Parsing bug in rrulestr function #587

Reporting an issue