JSFiddle - React, Tailwind, and code Playground

HTML

<script type="text/javascript" src="https://www.google.com/jsapi?autoload={'modules':[{'name':'visualization','version':'1','packages':['treemap']}]}"></script>
       <div id="chart_div" style="width: 900px; height: 500px;"></div>

JavaScript

google.setOnLoadCallback(drawChart);

      function drawChart() {
          /**
          var data = google.visualization.DataTable();
          data.addColumn('string', 'Name');
          data.addColumn('string', 'Parent');
          data.addColumn('number', 'Size');
          data.addColumn('number', 'MinMax');
          data.addRows([ 
          **/
          var data = google.visualization.arrayToDataTable([
              ['Name',                  'Parent',       'Size', 'MinMax'],
              ['Activity',               null,                     0,  0],
              ['Employment',            'Activity',                0,  0],
              ['CommunityVolunteering', 'Activity',                0,  0],
              ['Internet',              'Activity',                0,  0],
              ['SocialMedia',           'Internet',                0,  0],
              ['WebCommunities',        'Internet',                0,  0],
              ['OnlineEducation',       'Internet',                0,  0],
              ['Twitter',               'SocialMedia',            30,  1],
              ['Facebook',              'SocialMedia',            50,  1],
              ['GooglePlus',            'SocialMedia',            20,  1],
              ['StackExchange',         'WebCommunities',         30,  2],
              ['SitePoint',             'WebCommunities',         20,  2],
              ['Metafilter',            'WebCommunities',         50,  2],
              ['Edx',                   'OnlineEducation',        55,  3],
              ['Coursera',              'OnlineEducation',        45,  3],
              ['RestaurantIndustry',    'Employment',            150,  4],
              ['CommunityAccess',       'CommunityVolunteering',  75,  4],
              ['BookHouseProject',      'CommunityVolunteering',  25,  5]
          ]);

          tree = new google.visualization.TreeMap(document.getElementById('chart_div'));

          tree.draw(data, {
              minColor:...