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Backend API
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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 Copper, Nickel and Palladium</h3></div> <div id="chart-demo"> <table className="demo-table" style={{ border: 1 }}> <tbody> <tr> <th /> <th>Copper (USD/ton)</th> <th>Nickel (USD/ton)</th> <th>Palladium (USD/troy ounce)</th> </tr> {years.map((year, index) => ( <RowTemplate key={index} year={year} /> ))} </tbody> </table> </div> </React.Fragment> );}export default App;xxxxxxxxxximport 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 Copper, Nickel and Palladium</h3> </div> <div id="chart-demo"> <table className="demo-table" style={{ border: 1 }} > <tbody> <tr> <th /> <th>Copper (USD/ton)</th> <th>Nickel (USD/ton)</th> <th>Palladium (USD/troy ounce)</th> </tr> {years.map((year, index) => ( <RowTemplate key={index} year={year} /> ))} </tbody> </table> </div> </React.Fragment> );}export default App;xxxxxxxxxximport React from 'react';import Sparkline, { Tooltip,} from 'devextreme-react/sparkline';import { copperCosts, nickelCosts, palladiumCosts,} from './data.ts';interface RowTemplateProps { key: number; year: string;}export default function RowTemplate(props: RowTemplateProps) { return ( <tr> <th>{props.year}</th> <td> <Sparkline dataSource={copperCosts} showMinMax={true} className="sparkline" argumentField="month" valueField={props.year} type="area" > <Tooltip format="currency" /> </Sparkline> </td> <td> <Sparkline dataSource={nickelCosts} pointSize={6} showMinMax={true} showFirstLast={false} className="sparkline" argumentField="month" valueField={props.year} type="splinearea" lineColor="#8076bb" minColor="#6babac" maxColor="#8076bb" > <Tooltip format="currency" /> </Sparkline> </td> <td> <Sparkline dataSource={palladiumCosts} lineWidth={3} className="sparkline" argumentField="month" valueField={props.year} type="steparea" lineColor="#7e4452" firstLastColor="#e55253" pointColor="#e8c267" pointSymbol="polygon" > <Tooltip format="currency" /> </Sparkline> </td> </tr> );}xxxxxxxxxximport React from 'react';import ReactDOM from 'react-dom';import App from './App.tsx';ReactDOM.render( <App />, document.getElementById('app'),);xxxxxxxxxxexport const copperCosts = [{ month: 1, 2010: 7341, 2011: 9585, 2012: 7501,}, { month: 2, 2010: 7016, 2011: 10026, 2012: 8470,}, { month: 3, 2010: 7202, 2011: 9889, 2012: 8591,}, { month: 4, 2010: 7851, 2011: 9460, 2012: 8459,}, { month: 5, 2010: 7481, 2011: 9373, 2012: 8320,}, { month: 6, 2010: 6532, 2011: 9108, 2012: 7465,}, { month: 7, 2010: 6498, 2011: 9295, 2012: 7475,}, { month: 8, 2010: 7191, 2011: 9834, 2012: 7430,}, { month: 9, 2010: 7596, 2011: 9121, 2012: 7614,}, { month: 10, 2010: 8057, 2011: 7125, 2012: 8245,}, { month: 11, 2010: 8373, 2011: 7871, 2012: 7727,}, { month: 12, 2010: 8636, 2011: 7725, 2012: 7880,}];export const nickelCosts = [{ month: 1, 2010: 18974, 2011: 24298, 2012: 18322,}, { month: 2, 2010: 18162, 2011: 27929, 2012: 21093,}, { month: 3, 2010: 20535, 2011: 28802, 2012: 19701,}, { month: 4, 2010: 24562, 2011: 26142, 2012: 17695,}, { month: 5, 2010: 26131, 2011: 26753, 2012: 17549,}, { month: 6, 2010: 19278, 2011: 23055, 2012: 16436,}, { month: 7, 2010: 19475, 2011: 22870, 2012: 16382,}, { month: 8, 2010: 20701, 2011: 24388, 2012: 15687,}, { month: 9, 2010: 21266, 2011: 21845, 2012: 16085,}, { month: 10, 2010: 23358, 2011: 18346, 2012: 18250,}, { month: 11, 2010: 23150, 2011: 18822, 2012: 16083,}, { month: 12, 2010: 23282, 2011: 17320, 2012: 17104,}];export const palladiumCosts = [{ month: 1, 2010: 398, 2011: 788, 2012: 649,}, { month: 2, 2010: 422, 2011: 817, 2012: 698,}, { month: 3, 2010: 431, 2011: 812, 2012: 713,}, { month: 4, 2010: 481, 2011: 760, 2012: 654,}, { month: 5, 2010: 551, 2011: 774, 2012: 665,}, { month: 6, 2010: 449, 2011: 775, 2012: 609,}, { month: 7, 2010: 442, 2011: 750, 2012: 584,}, { month: 8, 2010: 482, 2011: 827, 2012: 580,}, { month: 9, 2010: 517, 2011: 776, 2012: 632,}, { month: 10, 2010: 566, 2011: 624, 2012: 657,}, { month: 11, 2010: 630, 2011: 651, 2012: 601,}, { month: 12, 2010: 737, 2011: 615, 2012: 675,}];xxxxxxxxxxwindow.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://unpkg.com/', '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@24.2.6/cjs', 'devextreme-react': 'npm:devextreme-react@24.2.6/cjs', 'devextreme-quill': 'npm:devextreme-quill@1.7.1/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.2.15/dist/dx-diagram.js', 'devexpress-gantt': 'npm:devexpress-gantt@4.1.60/dist/dx-gantt.js', '@devextreme/runtime': 'npm:@devextreme/runtime@3.0.12', 'inferno': 'npm:inferno@7.4.11/dist/inferno.min.js', 'inferno-compat': 'npm:inferno-compat/dist/inferno-compat.min.js', 'inferno-create-element': 'npm:inferno-create-element@7.4.11/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', '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/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', 'npm:@devextreme/runtime@3.0.12/inferno/package.json', ], babelOptions: { sourceMaps: false, stage0: true, react: true, },};System.config(window.config);xxxxxxxxxximport React from 'react';import Sparkline, { Tooltip } from 'devextreme-react/sparkline';import { copperCosts, nickelCosts, palladiumCosts } from './data.js';export default function RowTemplate(props) { return ( <tr> <th>{props.year}</th> <td> <Sparkline dataSource={copperCosts} showMinMax={true} className="sparkline" argumentField="month" valueField={props.year} type="area" > <Tooltip format="currency" /> </Sparkline> </td> <td> <Sparkline dataSource={nickelCosts} pointSize={6} showMinMax={true} showFirstLast={false} className="sparkline" argumentField="month" valueField={props.year} type="splinearea" lineColor="#8076bb" minColor="#6babac" maxColor="#8076bb" > <Tooltip format="currency" /> </Sparkline> </td> <td> <Sparkline dataSource={palladiumCosts} lineWidth={3} className="sparkline" argumentField="month" valueField={props.year} type="steparea" lineColor="#7e4452" firstLastColor="#e55253" pointColor="#e8c267" pointSymbol="polygon" > <Tooltip format="currency" /> </Sparkline> </td> </tr> );}xxxxxxxxxximport React from 'react';import ReactDOM from 'react-dom';import App from './App.js';ReactDOM.render(<App />, document.getElementById('app'));xxxxxxxxxxexport const copperCosts = [ { month: 1, 2010: 7341, 2011: 9585, 2012: 7501, }, { month: 2, 2010: 7016, 2011: 10026, 2012: 8470, }, { month: 3, 2010: 7202, 2011: 9889, 2012: 8591, }, { month: 4, 2010: 7851, 2011: 9460, 2012: 8459, }, { month: 5, 2010: 7481, 2011: 9373, 2012: 8320, }, { month: 6, 2010: 6532, 2011: 9108, 2012: 7465, }, { month: 7, 2010: 6498, 2011: 9295, 2012: 7475, }, { month: 8, 2010: 7191, 2011: 9834, 2012: 7430, }, { month: 9, 2010: 7596, 2011: 9121, 2012: 7614, }, { month: 10, 2010: 8057, 2011: 7125, 2012: 8245, }, { month: 11, 2010: 8373, 2011: 7871, 2012: 7727, }, { month: 12, 2010: 8636, 2011: 7725, 2012: 7880, },];export const nickelCosts = [ { month: 1, 2010: 18974, 2011: 24298, 2012: 18322, }, { month: 2, 2010: 18162, 2011: 27929, 2012: 21093, }, { month: 3, 2010: 20535, 2011: 28802, 2012: 19701, }, { month: 4, 2010: 24562, 2011: 26142, 2012: 17695, }, { month: 5, 2010: 26131, 2011: 26753, 2012: 17549, }, { month: 6, 2010: 19278, 2011: 23055, 2012: 16436, }, { month: 7, 2010: 19475, 2011: 22870, 2012: 16382, }, { month: 8, 2010: 20701, 2011: 24388, 2012: 15687, }, { month: 9, 2010: 21266, 2011: 21845, 2012: 16085, }, { month: 10, 2010: 23358, 2011: 18346, 2012: 18250, }, { month: 11, 2010: 23150, 2011: 18822, 2012: 16083, }, { month: 12, 2010: 23282, 2011: 17320, 2012: 17104, },];export const palladiumCosts = [ { month: 1, 2010: 398, 2011: 788, 2012: 649, }, { month: 2, 2010: 422, 2011: 817, 2012: 698, }, { month: 3, 2010: 431, 2011: 812, 2012: 713, }, { month: 4, 2010: 481, 2011: 760, 2012: 654, }, { month: 5, 2010: 551, 2011: 774, 2012: 665, }, { month: 6, 2010: 449, 2011: 775, 2012: 609, }, { month: 7, 2010: 442, 2011: 750, 2012: 584, }, { month: 8, 2010: 482, 2011: 827, 2012: 580, }, { month: 9, 2010: 517, 2011: 776, 2012: 632, }, { month: 10, 2010: 566, 2011: 624, 2012: 657, }, { month: 11, 2010: 630, 2011: 651, 2012: 601, }, { month: 12, 2010: 737, 2011: 615, 2012: 675, },];xxxxxxxxxx<html lang="en"> <head></head> <body class="dx-viewport"> <div class="demo-container"> <div id="app"></div> </div> </body></html>xxxxxxxxxx#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 10px; border: 1px solid #c2c2c2;}.demo-table th { padding: 25px 15px 20px 15px; 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;}