JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="https://s3.amazonaws.com/flexmonster/2.3/demo.css">
<script src="https://cdn.flexmonster.com/flexmonster.js"></script>

<h3 class="text">
  Click on a value cell to see the cell's details.
</h3>
<div id="pivot-container"></div>

<div class="output" id="output">Output will appear here</div>

CSS

.output {
  width: 80%;
  height: 300px;
  margin-left: auto;
  margin-right: auto;
  padding: 20px;
  background: rgba(242, 242, 242, 1);
  font-family: Menlo, Monaco, "Courier New", Courier, monospace;
  white-space: pre;
  font-size: 16px;
  font-weight: 400;
  overflow-y: scroll;
  margin-top: 20px;
}

.text {
  padding: 10px;
}

JavaScript

var pivot = new Flexmonster({
  container: "pivot-container",
  componentFolder: "https://cdn.flexmonster.com/",
  toolbar: true,
  report: {
    dataSource: {
      data: getData(),
      mapping: {
      	Country: {
        	type: "string", hierarchy: "Country"
        },
        Color: {
        	type: "string", hierarchy: "Country", parent: "Country"
        }
      }
    },
    "slice": {
      "rows": [{
          "uniqueName": "Country"
        },
        {
          "uniqueName": "Color"
        }
      ],
      "columns": [{
        "uniqueName": "[Measures]"
      }],
      "measures": [{
        "uniqueName": "Price",
        "aggregation": "sum"
      }],
      "expands": {
        "rows": [{
          "tuple": [
            "country.[canada]"
          ]
        }]
      }
    }
  }
});

pivot.customizeContextMenu((items, data) => {
            items = [];
            items.push({
                label: 'Get cell',
                handler: ()=> {
                    console.log(data);
                }
            });

            return items;
        });


function getData() {
  return [{
    "Color": "green",
    "M": "September",
    "W": "Wed",
    "Country": "Canada",
    "State": "Ontario",
    "City": "Toronto",
    "Price": 174,
    "Quantity": 22
  }, {
    "Color": "red",
    "M": "March",
    "W": "Mon",
    "Time": "1000",
    "Country": "USA",
    "State": "California",
    "City": "Los Angeles",
    "Price": 1664,
    "Quantity": 19
  }, {
    "Color": "red",
    "M": "January",
    "W": "Mon",
    "Country": "Canada",
    "State": "Quebec",
    "City": "Montreal",
    "Price": 1190,
    "Quantity": 292
  }, {
    "Color": "green",
    "D": "04/08/2014",
    "M": "August",
    "W": "Fri",
    "Time": "1000",
    "Country": "USA",
    "State": "California",
    "City": "Los Angeles",
    "Price": 1222,
    "Quantity": 730
  }, {
    "Color": "white",
    "M": "March",
    "W": "Wed",
    "Country": "USA",
    "State": "California",
   ...