Backend API
        
    import React, { useCallback, useState } from 'react';
import ActionSheet, { type ActionSheetTypes } from 'devextreme-react/action-sheet';
import List, { type ListTypes } from 'devextreme-react/list';
import notify from 'devextreme/ui/notify';
import RenderContactItem from './ContactItem.tsx';
import { actionSheetItems, contacts } from './data.ts';
const App = () => {
  const [isActionSheetVisible, setIsActionSheetVisible] = useState(false);
  const [actionSheetTarget, setActionSheetTarget] = useState<HTMLElement | string>('');
  const onListItemClick = useCallback((e: ListTypes.ItemClickEvent) => {
    setIsActionSheetVisible(true);
    setActionSheetTarget(e.itemElement);
  }, [setIsActionSheetVisible, setActionSheetTarget]);
  const onActionSheetItemClick = useCallback((e: ActionSheetTypes.ItemClickEvent) => {
    setIsActionSheetVisible(false);
    notify(`The "${e.itemData.text}" button is clicked.`);
  }, [setIsActionSheetVisible]);
  const onVisibleChange = useCallback((isVisible: boolean) => {
    if (isVisible !== isActionSheetVisible) {
      setIsActionSheetVisible(isVisible);
    }
  }, [setIsActionSheetVisible, isActionSheetVisible]);
  return (
    <div className="app-container">
      <List
        id="list"
        items={contacts}
        itemRender={RenderContactItem}
        onItemClick={onListItemClick}
      />
      <ActionSheet
        title="Choose action"
        usePopover={true}
        visible={isActionSheetVisible}
        target={actionSheetTarget}
        items={actionSheetItems}
        onItemClick={onActionSheetItemClick}
        onVisibleChange={onVisibleChange}
      />
    </div>
  );
};
export default App;
    
    import React, { useCallback, useState } from 'react';
import ActionSheet from 'devextreme-react/action-sheet';
import List from 'devextreme-react/list';
import notify from 'devextreme/ui/notify';
import RenderContactItem from './ContactItem.js';
import { actionSheetItems, contacts } from './data.js';
const App = () => {
  const [isActionSheetVisible, setIsActionSheetVisible] = useState(false);
  const [actionSheetTarget, setActionSheetTarget] = useState('');
  const onListItemClick = useCallback(
    (e) => {
      setIsActionSheetVisible(true);
      setActionSheetTarget(e.itemElement);
    },
    [setIsActionSheetVisible, setActionSheetTarget],
  );
  const onActionSheetItemClick = useCallback(
    (e) => {
      setIsActionSheetVisible(false);
      notify(`The "${e.itemData.text}" button is clicked.`);
    },
    [setIsActionSheetVisible],
  );
  const onVisibleChange = useCallback(
    (isVisible) => {
      if (isVisible !== isActionSheetVisible) {
        setIsActionSheetVisible(isVisible);
      }
    },
    [setIsActionSheetVisible, isActionSheetVisible],
  );
  return (
    <div className="app-container">
      <List
        id="list"
        items={contacts}
        itemRender={RenderContactItem}
        onItemClick={onListItemClick}
      />
      <ActionSheet
        title="Choose action"
        usePopover={true}
        visible={isActionSheetVisible}
        target={actionSheetTarget}
        items={actionSheetItems}
        onItemClick={onActionSheetItemClick}
        onVisibleChange={onVisibleChange}
      />
    </div>
  );
};
export default App;
    
    import React from 'react';
export default function RenderContactItem({ name, phone, email }) {
  return (
    <div>
      <div>{name}</div>
      <div>{phone}</div>
      <div>{email}</div>
    </div>
  );
}
    
    import React from 'react';
import ReactDOM from 'react-dom';
import App from './App.tsx';
ReactDOM.render(
  <App />,
  document.getElementById('app'),
);
    
    export const actionSheetItems = [
  { text: 'Call' },
  { text: 'Send message' },
  { text: 'Edit' },
  { text: 'Delete' },
];
export const contacts = [
  {
    name: 'Barbara J. Coggins', phone: '512-964-2757', email: 'BarbaraJCoggins@rhyta.com', category: 'Family',
  },
  {
    name: 'Leslie S. Alcantara', phone: '360-684-1334', email: 'LeslieSAlcantara@teleworm.us', category: 'Friends',
  },
  {
    name: 'Chad S. Miles', phone: '520-573-7903', email: 'ChadSMiles@rhyta.com', category: 'Work',
  },
  {
    name: 'Michael A. Blevins', phone: '530-480-1961', email: 'MichaelABlevins@armyspy.com', category: 'Work',
  },
  {
    name: 'Jane K. Hernandez', phone: '404-781-0805', email: 'JaneKHernandez@teleworm.us', category: 'Friends',
  },
  {
    name: 'Kim D. Thomas', phone: '603-583-9043', email: 'KimDThomas@teleworm.us', category: 'Work',
  },
  {
    name: 'Donald L. Jordan', phone: '772-766-2842', email: 'DonaldLJordan@dayrep.com', category: 'Family',
  },
  {
    name: 'Nicole A. Rios', phone: '213-812-8400', email: 'NicoleARios@armyspy.com', category: 'Friends',
  },
  {
    name: 'Barbara M. Roberts', phone: '614-365-7945', email: 'BarbaraMRoberts@armyspy.com', category: 'Friends',
  },
];
    
    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';
export default function RenderContactItem({ name, phone, email }) {
  return (
    <div>
      <div>{name}</div>
      <div>{phone}</div>
      <div>{email}</div>
    </div>
  );
}
    
    import React from 'react';
import ReactDOM from 'react-dom';
import App from './App.js';
ReactDOM.render(<App />, document.getElementById('app'));
    
    export const actionSheetItems = [
  { text: 'Call' },
  { text: 'Send message' },
  { text: 'Edit' },
  { text: 'Delete' },
];
export const contacts = [
  {
    name: 'Barbara J. Coggins',
    phone: '512-964-2757',
    email: 'BarbaraJCoggins@rhyta.com',
    category: 'Family',
  },
  {
    name: 'Leslie S. Alcantara',
    phone: '360-684-1334',
    email: 'LeslieSAlcantara@teleworm.us',
    category: 'Friends',
  },
  {
    name: 'Chad S. Miles',
    phone: '520-573-7903',
    email: 'ChadSMiles@rhyta.com',
    category: 'Work',
  },
  {
    name: 'Michael A. Blevins',
    phone: '530-480-1961',
    email: 'MichaelABlevins@armyspy.com',
    category: 'Work',
  },
  {
    name: 'Jane K. Hernandez',
    phone: '404-781-0805',
    email: 'JaneKHernandez@teleworm.us',
    category: 'Friends',
  },
  {
    name: 'Kim D. Thomas',
    phone: '603-583-9043',
    email: 'KimDThomas@teleworm.us',
    category: 'Work',
  },
  {
    name: 'Donald L. Jordan',
    phone: '772-766-2842',
    email: 'DonaldLJordan@dayrep.com',
    category: 'Family',
  },
  {
    name: 'Nicole A. Rios',
    phone: '213-812-8400',
    email: 'NicoleARios@armyspy.com',
    category: 'Friends',
  },
  {
    name: 'Barbara M. Roberts',
    phone: '614-365-7945',
    email: 'BarbaraMRoberts@armyspy.com',
    category: 'Friends',
  },
];
    
    <!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>
    
    #list,
#app,
.demo-container,
.app-container {
  height: 100%;
}