jqwidgets-scripts-custom/demos/React/app/tree/xmltree/app.js

jQWidgets is an advanced jQuery, Angular 7, Vue, React, ASP .NET MVC, Custom Elements and HTML5 UI framework.

import React from 'react';
import ReactDOM from 'react-dom';

import JqxTree from '../../../jqwidgets-react/react_jqxtree.js';

class App extends React.Component {   
    render () {
        // prepare the data
        let source = {
            datatype: 'xml',
            datafields: [
                { name: 'CompanyName', map: 'm\\:properties>d\\:CompanyName' },
                { name: 'ContactName', map: 'm\\:properties>d\\:ContactName' },
                { name: 'ContactTitle', map: 'm\\:properties>d\\:ContactTitle' },
                { name: 'City', map: 'm\\:properties>d\\:City' },
                { name: 'PostalCode', map: 'm\\:properties>d\\:PostalCode' },
                { name: 'Country', map: 'm\\:properties>d\\:Country' }
            ],
            root: 'entry',
            record: 'content',
            id: 'm\\:properties>d\\:CustomerID',
            url: '../sampledata/customers.xml',
            async: false
        };
        // create data adapter.
        let dataAdapter = new $.jqx.dataAdapter(source);
        // perform Data Binding.
        dataAdapter.dataBind();
        // get the tree items. The first parameter is the grouping fields. The second parameter is the sub items collection name. The third parameter is the group's name. 
        // Each jqxTree item has a 'label' property, but in the data source, we have a 'CompanyName' field. The last parameter 
        // specifies the mapping between the 'CompanyName' and 'label' fields.  
        let records = dataAdapter.getGroupedRecords(['Country', 'City'], 'items', 'label', [{ name: 'uid', map: 'value' }, { name: 'CompanyName', map: 'label'}], 'row', 'value');
        return (
                <JqxTree ref='myTree' style={{ marginLeft: 20, float: 'left' }}
                    width={300} source={records}
                />
        )
    }
}

ReactDOM.render(<App />, document.getElementById('app'));