React Pivot Table: custom cells

import React from "react";
import * as FlexmonsterReact from "react-flexmonster";

class PivotTableDemo extends React.Component {
  render() {
    return (
      <>
        <FlexmonsterReact.Pivot
          componentFolder="https://cdn.flexmonster.com/"
          height={600}
          toolbar={true}
          report={{
            dataSource: {
              type: "csv",
              filename: "data/data.csv",
            },
            slice: {
              rows: [
                {
                  uniqueName: "Country",
                },
                {
                  uniqueName: "Business Type",
                },
              ],
              columns: [
                {
                  uniqueName: "Color",
                },
                {
                  uniqueName: "[Measures]",
                },
              ],
              measures: [
                {
                  uniqueName: "Quantity",
                  aggregation: "percentofcolumn",
                },
              ],
              expands: {
                expandAll: true,
              },
            },
            formats: [
              {
                decimalPlaces: 2,
              },
            ],
          }}
          customizeCell={this.customizeCellFunction}
          shareReportConnection={{
            url: "https://olap.flexmonster.com:9500",
          }}
          beforetoolbarcreated={this.customizeToolbar}
        />
      </>
    );
  }

  customizeCellFunction = (cell, data) => {
    if (data?.type === "value" && !data?.isDrillThrough) {
      if (data.value < 5) {
        cell.text = `<img src='https://cdn.flexmonster.com/i/empty_pie.svg' class='centered'>`;
      } else if (data.value >= 5 && data.value < 10) {
        cell.text = `<img src='https://cdn.flexmonster.com/i/quarter_pie.svg' class='centered'>`;
      } else if (data.value >= 10 && data.value < 25) {
        cell.text = `<img src='https://cdn.flexmonster.com/i/half_pie.svg' class='centered'>`;
      } else if (data.value >= 25 && data.value < 50) {
        cell.text = `<img src='https://cdn.flexmonster.com/i/three_quarters_pie.svg' class='centered'>`;
      } else if (data.value >= 50) {
        cell.text = `<img src='https://cdn.flexmonster.com/i/full_pie.svg' class='centered'>`;
      }
    }
  };

  customizeToolbar = (toolbar) => {
    toolbar.showShareReportTab = true;
    const tabs = toolbar.getTabs();
    toolbar.getTabs = () => {
      const exportTab = tabs.find(tab => tab.id == "fm-tab-export");
      if (!exportTab) return tabs;
      const exportToTabs = exportTab.menu.filter(
        tab => tab.id == "fm-tab-export-html" || 
        tab.id == "fm-tab-export-csv" || 
        tab.id == "fm-tab-export-excel" || 
        tab.id == "fm-tab-export-pdf");
      if (!exportToTabs) return tabs;
      exportToTabs.map(exportToTab => exportToTab.handler = () => {
        const exportType = exportToTab.id.substring(14);
        pivotRef.current.flexmonster.exportTo(exportType, {
          useCustomizeCellForData: false
        });
      });
      return tabs;
    }
  };
}

export default PivotTableDemo;

img.centered {
  display: block !important;
  margin: auto !important;
  color: transparent !important;
}

#fm-pivot-view .fm-grid-row {
  min-height: 47px;
}