node-red-nodegen/samples/qrcode.json

Node generator for Node-RED

[
    {
        "id": "921a4b1d.07bb68",
        "type": "subflow",
        "name": "QRcode",
        "info": "This node generates a QR code from the text data in the `msg.payload`. The QR code in the outputted `msg.payload` is text data (not image data) described by text which consists of black rectangles and white spaces. Therefore, you can use the debug node to see the QR code.\n\n### Inputs\n- `payload` - _string_\n\n  Text data which is converted to QR code\n\n### Outputs\n- `payload` - _string_\n\n  Text data which contains QR code\n\n**Note**: This node uses the [node-qrcode](https://www.npmjs.com/package/qrcode) module to generate QR codes.",
        "category": "",
        "in": [
            {
                "x": 140,
                "y": 120,
                "wires": [
                    {
                        "id": "e563f491.e443f8"
                    }
                ]
            }
        ],
        "out": [
            {
                "x": 380,
                "y": 120,
                "wires": [
                    {
                        "id": "e563f491.e443f8",
                        "port": 0
                    }
                ]
            }
        ],
        "env": [],
        "meta": {
            "module": "node-red-contrib-qrcode",
            "type": "qrcode",
            "version": "0.1.0",
            "author": "hiroyasu.nishiyama.uq@hitachi.com",
            "desc": "Node-RED node for converting string to QRcode",
            "keywords": "Node-RED, subflow, QRcode",
            "license": "Apache-2.0"
        },
        "color": "#87A980",
        "icon": "font-awesome/fa-qrcode"
    },
    {
        "id": "e563f491.e443f8",
        "type": "function",
        "z": "921a4b1d.07bb68",
        "name": "",
        "func": "qrcode.toString(msg.payload, (err,str) => {\n    if (err) {\n        node.error(err);\n        return;\n    }\n    node.send({payload: str});\n});",
        "outputs": 1,
        "noerr": 0,
        "initialize": "",
        "finalize": "",
        "libs": [
            {
                "var": "qrcode",
                "module": "qrcode"
            }
        ],
        "x": 260,
        "y": 120,
        "wires": [
            []
        ]
    }
]