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://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>
<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="treegrid"></table>

CSS

.ui-icon.ui-igtreegrid-expansion-indicator.ui-icon-minus {
            background: url(https://igniteui.com/images/samples/tree-grid/opened_folder.png) !important;
            background-repeat: no-repeat;
        }
        .ui-icon.ui-igtreegrid-expansion-indicator.ui-icon-plus {
            background: url(https://igniteui.com/images/samples/tree-grid/folder.png) !important;
            background-repeat: no-repeat;
        }
		.ui-icon-plus:before {
		    content: '' !important;
		}
		.ui-icon-minus:before{
		    content: '' !important;
		}

JavaScript

$(function () {

            var files = [
                {
                   "id": 1, "name": "Documents", "dateModified": "9/12/2013", "type": "File Folder", "size": 4480, "files": [
                        { "id": 11, "name": "To do list.txt", "dateModified": "11/5/2013", "type": "TXT File", "size": 4448 },
                        { "id": 12, "name": "Work.txt", "dateModified": "9/12/2013", "type": "TXT File", "size": 32 }
                    ]
                },
                {
                    "id": 2,"name": "Music", "dateModified": "6/10/2014", "type": "File Folder", "size": 5594, "files": [
                        {
                            "id": 21, "name": "AC/DC", "dateModified": "6/10/2014", "type": "File Folder", "size": 2726, "files": [
                                { "id": 211,"name": "Stand Up.mp3", "dateModified": "6/10/2014", "type": "MP3 File", "size": 456 },
                                { "id": 212, "name": "T.N.T.mp3", "dateModified": "6/10/2014", "type": "MP3 File", "size": 1155 },
                                { "id": 213, "name": "The Jack.mp3", "dateModified": "6/10/2014", "type": "MP3 File", "size": 1115 }
                            ]
                        },
                        {
                            "id": 22, "name": "WhiteSnake", "dateModified": "6/11/2014", "type": "File Folder", "size": 2868, "files": [
                                { "id": 221, "name": "Trouble.mp3", "dateModified": "6/11/2014", "type": "MP3 File", "size": 1234 },
                                { "id": 222, "name": "Bad Boys.mp3", "dateModified": "6/11/2014", "type": "MP3 File", "size": 522 },
                                { "id": 223, "name": "Is This Love.mp3", "dateModified": "6/11/2014", "type": "MP3 File", "size": 1112 },
                            ]
                        }
                    ]
                },
                {
                    "id": 3, "name": "Pictures", "dateModified": "1/9/2014", "type": "File...