evcharger-app/qml/QrCode.qml

import QtQuick
import QtQuick.Controls
import QtQuick.Layouts
import EVChargerApp

import "js/qrcode.min.js" as QrSvg

Image {
    required property string content
    //property int padding: 4
    //property int width: 256
    //property int height: 256
    //property string color: "black"
    //property string background: "white"
    //property string ecl: "M"
    //property bool join: false
    //property bool predefined: false
    //property bool pretty: true
    //property bool swap: false
    //property bool xmlDeclaration: true
    //property string container: "svg"

    function createSvgString() {
        const svg = new QrSvg.QRCode({
            content: content,
            //padding: root.padding,
            //width: root.width,
            //height: root.height,
            //color: root.color,
            //background: root.background,
            //ecl: root.ecl,
            //join: root.join,
            //predefined: root.predefined,
            //pretty: root.pretty,
            //swap: root.swap,
            //xmlDeclaration: root.xmlDeclaration,
            //container: root.container
        }).svg()

        if (svg === "")
            source = ""
        else
            source = "data:image/svg+xml;utf8," + svg;
    }

    onContentChanged: createSvgString()
    Component.onCompleted: createSvgString()
}