JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://igniteui.com/js/modernizr.min.js"></script>
<script src="https://code.jquery.com/jquery-1.9.1.min.js"></script>
<script src="https://code.jquery.com/ui/1.10.3/jquery-ui.min.js"></script>
<script src="https://igniteui.com/js/external/FileSaver.js"></script>
<script src="https://igniteui.com/js/external/Blob.js"></script>
<script src="https://cdn-na.infragistics.com/igniteui/latest/js/infragistics.core.js"></script>
<script src="https://cdn-na.infragistics.com/igniteui/latest/js/infragistics.lob.js"></script>
<script src="https://cdn-na.infragistics.com/igniteui/latest/js/infragistics.dv.js"></script>
<script src="https://cdn-na.infragistics.com/igniteui/latest/js/infragistics.excel-bundled.js"></script>
<script src="https://cdn-na.infragistics.com/igniteui/latest/js/infragistics.spreadsheet-bundled.js"></script>
<script src="https://cdn-na.infragistics.com/igniteui/latest/js/modules/infragistics.gridexcelexporter.js"></script>
<script src="https://igniteui.com/js-data/nw-customers-with-orders"></script>
<link href="https://cdn-na.infragistics.com/igniteui/latest/css/themes/infragistics/infragistics.theme.css" rel="stylesheet"></link>
<link href="https://cdn-na.infragistics.com/igniteui/latest/css/structure/infragistics.css" rel="stylesheet"></link>

<table id="hierarchicalGrid"></table><br />
        <input type="button" id="exportButton" class="button-style" value="Export to Excel (.xlsx)"></input>

CSS

.selectionOptions
            {
                margin-bottom: 10px;   
            }

JavaScript

$(function() {
			var dataArr = new Array();
			var sparklineDestination = new Array();
			var dataAddress;
			var sparklineAddress;
			
            $("#hierarchicalGrid").igHierarchicalGrid({
			expandColWidth: 0,
                width: "100%",
                autoCommit: true,
                autoGenerateColumns: false,
                dataSource: nwCustomersWithOrders,
                responseDataKey: "results",
                dataSourceType: "json",
                autofitLastColumn: false,
                primaryKey: "ID",
                columns: [
					
					{ key: "UnboundOrders", unbound: true, dataType: "number", width: "0%", hidden: true },
					{ key: "Orders", width: "20%", headerText: "Freight Expenses", template: "<div data-id='${ID}' class='order-sparkline'></div>" }, 
					
                    { key: "ID", width: "20%", headerText: "Company ID", hidden: true },
                    { key: "CompanyName", width: "20%", headerText: "Company Name" },
                    { key: "ContactName", width: "20%", headerText: "Contact Name" },
                    { key: "ContactTitle", width: "20%", headerText: "Contact Title" }
                    
                ],
				rowExpanding: function (evt, ui) {
					return false;
				},				
				rowsRendered: function (evt, ui) {
						 //get data collection
						 var dataSource = ui.owner.dataSource;
						 $(".order-sparkline").each(function(i) {                    
							  $(this).igSparkline({
									dataSource: dataSource.findRecordByKey(
										 $(this).data("id")).Orders,
										 displayType: "column",
									height: "24px",
									width: "100%",
									valueMemberPath: 'Freight',
									brush: "#376092"
							  })
							  .css("background-color", "transparent");
						 });
                },
                childrenDataProperty: "Orders",
                autoGenerateLayouts: false,
                columnLayouts: [
                    {
                        key: "Orders",
             ...