Node-RED simple modulo router

flow.json

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    {
        "id": "211d2ade5b37281c",
        "type": "function",
        "z": "0d3a28192a31e0f9",
        "name": "mod router",
        "func": "const count = context.get('count') ?? 0;\n\nif (count < 5) {\n    context.set('count', count + 1);\n    return [msg, undefined];\n} else {\n    context.set('count', 0);\n    return [undefined, msg];\n}",
        "outputs": 2,
        "noerr": 0,
        "initialize": "// Code added here will be run once\n// whenever the node is started.\ncontext.set('count', 0)",
        "finalize": "",
        "libs": [],
        "x": 350,
        "y": 1580,
        "wires": [
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    },
    {
        "id": "16fd6d33980cf2c3",
        "type": "inject",
        "z": "0d3a28192a31e0f9",
        "name": "",
        "props": [
            {
                "p": "payload"
            },
            {
                "p": "topic",
                "vt": "str"
            }
        ],
        "repeat": "",
        "crontab": "",
        "once": false,
        "onceDelay": 0.1,
        "topic": "",
        "payload": "",
        "payloadType": "date",
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        "y": 1580,
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    {
        "id": "8c99127f924988c2",
        "type": "debug",
        "z": "0d3a28192a31e0f9",
        "name": "main output",
        "active": true,
        "tosidebar": true,
        "console": false,
        "tostatus": false,
        "complete": "payload",
        "targetType": "msg",
        "statusVal": "",
        "statusType": "auto",
        "x": 610,
        "y": 1540,
        "wires": []
    },
    {
        "id": "3e8856a0f238788f",
        "type": "debug",
        "z": "0d3a28192a31e0f9",
        "name": "secondary output",
        "active": true,
        "tosidebar": true,
        "console": false,
        "tostatus": false,
        "complete": "payload",
        "targetType": "msg",
        "statusVal": "",
        "statusType": "auto",
        "x": 630,
        "y": 1600,
        "wires": []
    }
]