Backend API
        
    import React from 'react';
import RowTemplate from './RowTemplate.tsx';
const years = ['2010', '2011', '2012'];
function App() {
  return (
    <React.Fragment>
      <div className="long-title"><h3>Monthly Prices of Oil, Gold and Silver</h3></div>
      <div id="chart-demo">
        <table className="demo-table">
          <tbody>
            <tr>
              <th />
              <th>Oil (USD/barrel)</th>
              <th>Gold (USD/troy ounce)</th>
              <th>Silver (USD/troy ounce)</th>
            </tr>
            {
              years.map((year, index) => <RowTemplate key={index} year={year} />)
            }
          </tbody>
        </table>
      </div>
    </React.Fragment>
  );
}
export default App;
    
    import React from 'react';
import RowTemplate from './RowTemplate.js';
const years = ['2010', '2011', '2012'];
function App() {
  return (
    <React.Fragment>
      <div className="long-title">
        <h3>Monthly Prices of Oil, Gold and Silver</h3>
      </div>
      <div id="chart-demo">
        <table className="demo-table">
          <tbody>
            <tr>
              <th />
              <th>Oil (USD/barrel)</th>
              <th>Gold (USD/troy ounce)</th>
              <th>Silver (USD/troy ounce)</th>
            </tr>
            {years.map((year, index) => (
              <RowTemplate
                key={index}
                year={year}
              />
            ))}
          </tbody>
        </table>
      </div>
    </React.Fragment>
  );
}
export default App;
    
    
import React from 'react';
import Sparkline, {
  Tooltip,
} from 'devextreme-react/sparkline';
import {
  oilCosts,
  silverCosts,
  goldCosts,
} from './data.ts';
interface RowTemplateProps {
  key: number;
  year: string;
}
export default function RowTemplate(props: RowTemplateProps) {
  return (
    <tr>
      <th>{props.year}</th>
      <td>
        <Sparkline
          dataSource={oilCosts}
          showMinMax={true}
          className="sparkline"
          argumentField="month"
          valueField={props.year}
          type="line"
        >
          <Tooltip format="currency" />
        </Sparkline>
      </td>
      <td>
        <Sparkline
          dataSource={goldCosts}
          lineWidth={3}
          showMinMax={true}
          showFirstLast={false}
          className="sparkline"
          argumentField="month"
          valueField={props.year}
          type="spline"
          lineColor="#9ab57e"
          minColor="#6babac"
          maxColor="#ebdd8f"
        >
          <Tooltip format="currency" />
        </Sparkline>
      </td>
      <td>
        <Sparkline
          dataSource={silverCosts}
          pointSize={6}
          className="sparkline"
          argumentField="month"
          valueField={props.year}
          type="stepline"
          lineColor="#e8c267"
          firstLastColor="#e55253"
          pointSymbol="square"
          pointColor="#ebdd8f"
        >
          <Tooltip format="currency" />
        </Sparkline>
      </td>
    </tr>
  );
}
    
    import React from 'react';
import ReactDOM from 'react-dom';
import App from './App.tsx';
ReactDOM.render(
  <App />,
  document.getElementById('app'),
);
    
    export const oilCosts = [{
  month: 1,
  2010: 77,
  2011: 93,
  2012: 107,
}, {
  month: 2,
  2010: 72,
  2011: 101,
  2012: 112,
}, {
  month: 3,
  2010: 79,
  2011: 115,
  2012: 123,
}, {
  month: 4,
  2010: 82,
  2011: 116,
  2012: 123,
}, {
  month: 5,
  2010: 86,
  2011: 124,
  2012: 116,
}, {
  month: 6,
  2010: 73,
  2011: 115,
  2012: 102,
}, {
  month: 7,
  2010: 73,
  2011: 110,
  2012: 94,
}, {
  month: 8,
  2010: 77,
  2011: 117,
  2012: 105,
}, {
  month: 9,
  2010: 76,
  2011: 113,
  2012: 113,
}, {
  month: 10,
  2010: 81,
  2011: 103,
  2012: 111,
}, {
  month: 11,
  2010: 83,
  2011: 110,
  2012: 107,
}, {
  month: 12,
  2010: 89,
  2011: 109,
  2012: 110,
}];
export const goldCosts = [{
  month: 1,
  2010: 1115,
  2011: 1358,
  2012: 1661,
}, {
  month: 2,
  2010: 1099,
  2011: 1375,
  2012: 1742,
}, {
  month: 3,
  2010: 1114,
  2011: 1423,
  2012: 1677,
}, {
  month: 4,
  2010: 1150,
  2011: 1486,
  2012: 1650,
}, {
  month: 5,
  2010: 1205,
  2011: 1511,
  2012: 1589,
}, {
  month: 6,
  2010: 1235,
  2011: 1529,
  2012: 1602,
}, {
  month: 7,
  2010: 1193,
  2011: 1573,
  2012: 1593,
}, {
  month: 8,
  2010: 1220,
  2011: 1765,
  2012: 1634,
}, {
  month: 9,
  2010: 1272,
  2011: 1771,
  2012: 1750,
}, {
  month: 10,
  2010: 1345,
  2011: 1672,
  2012: 1745,
}, {
  month: 11,
  2010: 1370,
  2011: 1741,
  2012: 1720,
}, {
  month: 12,
  2010: 1392,
  2011: 1643,
  2012: 1684,
}];
export const silverCosts = [{
  month: 1,
  2010: 17,
  2011: 30,
  2012: 27,
}, {
  month: 2,
  2010: 28,
  2011: 28,
  2012: 33,
}, {
  month: 3,
  2010: 34,
  2011: 34,
  2012: 35,
}, {
  month: 4,
  2010: 37,
  2011: 37,
  2012: 32,
}, {
  month: 5,
  2010: 47,
  2011: 47,
  2012: 30,
}, {
  month: 6,
  2010: 37,
  2011: 37,
  2012: 28,
}, {
  month: 7,
  2010: 34,
  2011: 34,
  2012: 27,
}, {
  month: 8,
  2010: 40,
  2011: 40,
  2012: 27,
}, {
  month: 9,
  2010: 41,
  2011: 41,
  2012: 31,
}, {
  month: 10,
  2010: 30,
  2011: 30,
  2012: 34,
}, {
  month: 11,
  2010: 34,
  2011: 34,
  2012: 31,
}, {
  month: 12,
  2010: 32,
  2011: 32,
  2012: 33,
}];
    
    window.exports = window.exports || {};
window.config = {
  transpiler: 'ts',
  typescriptOptions: {
    module: 'system',
    emitDecoratorMetadata: true,
    experimentalDecorators: true,
    jsx: 'react',
  },
  meta: {
    'react': {
      'esModule': true,
    },
    'typescript': {
      'exports': 'ts',
    },
    'devextreme/time_zone_utils.js': {
      'esModule': true,
    },
    'devextreme/localization.js': {
      'esModule': true,
    },
    'devextreme/viz/palette.js': {
      'esModule': true,
    },
    'openai': {
      'esModule': true,
    },
  },
  paths: {
    'npm:': 'https://cdn.jsdelivr.net/npm/',
    'bundles:': '../../../../bundles/',
    'externals:': '../../../../bundles/externals/',
  },
  defaultExtension: 'js',
  map: {
    'ts': 'npm:plugin-typescript@8.0.0/lib/plugin.js',
    'typescript': 'npm:typescript@4.2.4/lib/typescript.js',
    'jszip': 'npm:jszip@3.10.1/dist/jszip.min.js',
    'react': 'npm:react@17.0.2/umd/react.development.js',
    'react-dom': 'npm:react-dom@17.0.2/umd/react-dom.development.js',
    'prop-types': 'npm:prop-types/prop-types.js',
    'rrule': 'npm:rrule@2.6.4/dist/es5/rrule.js',
    'luxon': 'npm:luxon@3.4.4/build/global/luxon.min.js',
    'es6-object-assign': 'npm:es6-object-assign',
    'devextreme': 'npm:devextreme@link:../../packages/devextreme/artifacts/npm/devextreme/cjs',
    'devextreme-react': 'npm:devextreme-react@link:../../packages/devextreme-react/npm/cjs',
    'devextreme-quill': 'npm:devextreme-quill@1.7.6/dist/dx-quill.min.js',
    'devexpress-diagram': 'npm:devexpress-diagram@2.2.24/dist/dx-diagram.js',
    'devexpress-gantt': 'npm:devexpress-gantt@4.1.64/dist/dx-gantt.js',
    'inferno': 'npm:inferno@8.2.3/dist/inferno.min.js',
    'inferno-compat': 'npm:inferno-compat/dist/inferno-compat.min.js',
    'inferno-create-element': 'npm:inferno-create-element@8.2.3/dist/inferno-create-element.min.js',
    'inferno-dom': 'npm:inferno-dom/dist/inferno-dom.min.js',
    'inferno-hydrate': 'npm:inferno-hydrate/dist/inferno-hydrate.min.js',
    'inferno-clone-vnode': 'npm:inferno-clone-vnode/dist/inferno-clone-vnode.min.js',
    'inferno-create-class': 'npm:inferno-create-class/dist/inferno-create-class.min.js',
    'inferno-extras': 'npm:inferno-extras/dist/inferno-extras.min.js',
    '@preact/signals-core': 'npm:@preact/signals-core@1.8.0/dist/signals-core.min.js',
    'devextreme-cldr-data': 'npm:devextreme-cldr-data@1.0.3',
    // SystemJS plugins
    'plugin-babel': 'npm:systemjs-plugin-babel@0.0.25/plugin-babel.js',
    'systemjs-babel-build': 'npm:systemjs-plugin-babel@0.0.25/systemjs-babel-browser.js',
    // Prettier
    'prettier/standalone': 'npm:prettier@2.8.8/standalone.js',
    'prettier/parser-html': 'npm:prettier@2.8.8/parser-html.js',
  },
  packages: {
    'devextreme': {
      defaultExtension: 'js',
    },
    'devextreme-react': {
      main: 'index.js',
    },
    'devextreme-react/common': {
      main: 'index.js',
    },
    'devextreme/events/utils': {
      main: 'index',
    },
    'devextreme/common/core/events/utils': {
      main: 'index',
    },
    'devextreme/localization/messages': {
      format: 'json',
      defaultExtension: 'json',
    },
    'devextreme/events': {
      main: 'index',
    },
    'es6-object-assign': {
      main: './index.js',
      defaultExtension: 'js',
    },
  },
  packageConfigPaths: [
    'npm:@devextreme/*/package.json',
  ],
  babelOptions: {
    sourceMaps: false,
    stage0: true,
    react: true,
  },
};
System.config(window.config);
// eslint-disable-next-line
const useTgzInCSB = ['openai'];
    
    import React from 'react';
import Sparkline, { Tooltip } from 'devextreme-react/sparkline';
import { oilCosts, silverCosts, goldCosts } from './data.js';
export default function RowTemplate(props) {
  return (
    <tr>
      <th>{props.year}</th>
      <td>
        <Sparkline
          dataSource={oilCosts}
          showMinMax={true}
          className="sparkline"
          argumentField="month"
          valueField={props.year}
          type="line"
        >
          <Tooltip format="currency" />
        </Sparkline>
      </td>
      <td>
        <Sparkline
          dataSource={goldCosts}
          lineWidth={3}
          showMinMax={true}
          showFirstLast={false}
          className="sparkline"
          argumentField="month"
          valueField={props.year}
          type="spline"
          lineColor="#9ab57e"
          minColor="#6babac"
          maxColor="#ebdd8f"
        >
          <Tooltip format="currency" />
        </Sparkline>
      </td>
      <td>
        <Sparkline
          dataSource={silverCosts}
          pointSize={6}
          className="sparkline"
          argumentField="month"
          valueField={props.year}
          type="stepline"
          lineColor="#e8c267"
          firstLastColor="#e55253"
          pointSymbol="square"
          pointColor="#ebdd8f"
        >
          <Tooltip format="currency" />
        </Sparkline>
      </td>
    </tr>
  );
}
    
    import React from 'react';
import ReactDOM from 'react-dom';
import App from './App.js';
ReactDOM.render(<App />, document.getElementById('app'));
    
    export const oilCosts = [
  {
    month: 1,
    2010: 77,
    2011: 93,
    2012: 107,
  },
  {
    month: 2,
    2010: 72,
    2011: 101,
    2012: 112,
  },
  {
    month: 3,
    2010: 79,
    2011: 115,
    2012: 123,
  },
  {
    month: 4,
    2010: 82,
    2011: 116,
    2012: 123,
  },
  {
    month: 5,
    2010: 86,
    2011: 124,
    2012: 116,
  },
  {
    month: 6,
    2010: 73,
    2011: 115,
    2012: 102,
  },
  {
    month: 7,
    2010: 73,
    2011: 110,
    2012: 94,
  },
  {
    month: 8,
    2010: 77,
    2011: 117,
    2012: 105,
  },
  {
    month: 9,
    2010: 76,
    2011: 113,
    2012: 113,
  },
  {
    month: 10,
    2010: 81,
    2011: 103,
    2012: 111,
  },
  {
    month: 11,
    2010: 83,
    2011: 110,
    2012: 107,
  },
  {
    month: 12,
    2010: 89,
    2011: 109,
    2012: 110,
  },
];
export const goldCosts = [
  {
    month: 1,
    2010: 1115,
    2011: 1358,
    2012: 1661,
  },
  {
    month: 2,
    2010: 1099,
    2011: 1375,
    2012: 1742,
  },
  {
    month: 3,
    2010: 1114,
    2011: 1423,
    2012: 1677,
  },
  {
    month: 4,
    2010: 1150,
    2011: 1486,
    2012: 1650,
  },
  {
    month: 5,
    2010: 1205,
    2011: 1511,
    2012: 1589,
  },
  {
    month: 6,
    2010: 1235,
    2011: 1529,
    2012: 1602,
  },
  {
    month: 7,
    2010: 1193,
    2011: 1573,
    2012: 1593,
  },
  {
    month: 8,
    2010: 1220,
    2011: 1765,
    2012: 1634,
  },
  {
    month: 9,
    2010: 1272,
    2011: 1771,
    2012: 1750,
  },
  {
    month: 10,
    2010: 1345,
    2011: 1672,
    2012: 1745,
  },
  {
    month: 11,
    2010: 1370,
    2011: 1741,
    2012: 1720,
  },
  {
    month: 12,
    2010: 1392,
    2011: 1643,
    2012: 1684,
  },
];
export const silverCosts = [
  {
    month: 1,
    2010: 17,
    2011: 30,
    2012: 27,
  },
  {
    month: 2,
    2010: 28,
    2011: 28,
    2012: 33,
  },
  {
    month: 3,
    2010: 34,
    2011: 34,
    2012: 35,
  },
  {
    month: 4,
    2010: 37,
    2011: 37,
    2012: 32,
  },
  {
    month: 5,
    2010: 47,
    2011: 47,
    2012: 30,
  },
  {
    month: 6,
    2010: 37,
    2011: 37,
    2012: 28,
  },
  {
    month: 7,
    2010: 34,
    2011: 34,
    2012: 27,
  },
  {
    month: 8,
    2010: 40,
    2011: 40,
    2012: 27,
  },
  {
    month: 9,
    2010: 41,
    2011: 41,
    2012: 31,
  },
  {
    month: 10,
    2010: 30,
    2011: 30,
    2012: 34,
  },
  {
    month: 11,
    2010: 34,
    2011: 34,
    2012: 31,
  },
  {
    month: 12,
    2010: 32,
    2011: 32,
    2012: 33,
  },
];
    
    <!DOCTYPE html>
<html lang="en">
  <head>
    <title>DevExtreme Demo</title>
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=5.0" />
    <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/25.1.6/css/dx.light.css" />
    <link rel="stylesheet" type="text/css" href="styles.css" />
    <script src="https://cdn.jsdelivr.net/npm/core-js@2.6.12/client/shim.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/systemjs@0.21.3/dist/system.js"></script>
    <script type="text/javascript" src="config.js"></script>
    <script type="text/javascript">
      System.import("./index.tsx");
    </script>
  </head>
  <body class="dx-viewport">
    <div class="demo-container">
      <div id="app"></div>
    </div>
  </body>
</html>
    
    #chart-demo {
  height: 440px;
}
.demo-table {
  width: 100%;
  border: 1px solid #c2c2c2;
  border-collapse: collapse;
}
.demo-table th,
.demo-table td {
  font-weight: 400;
  width: 200px;
  padding: 25px 10px 5px;
  border: 1px solid #c2c2c2;
}
.demo-table th {
  padding: 25px 15px 20px;
  border: 1px solid #c2c2c2;
}
.demo-table tr:nth-child(2) td {
  border-top: 1px solid #c2c2c2;
}
.demo-table td:first-of-type {
  border-left: 1px solid #c2c2c2;
}
.demo-table .sparkline {
  width: 200px;
  height: 30px;
}
.long-title h3 {
  font-weight: 200;
  font-size: 28px;
  text-align: center;
  margin-bottom: 20px;
  margin-top: 0;
}