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Backend API
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import React from 'react';import Diagram, { Nodes, AutoLayout, Edges, Toolbox, Group,} from 'devextreme-react/diagram';import ArrayStore from 'devextreme/data/array_store';import service from './data.ts';const orgItemsDataSource = new ArrayStore({ key: 'id', data: service.getOrgItems(),});const orgLinksDataSource = new ArrayStore({ key: 'id', data: service.getOrgLinks(),});function itemTypeExpr(obj: { type: string; }, value: string) { if (value) { obj.type = (value === 'rectangle') ? undefined : 'group'; } else { return obj.type === 'group' ? 'ellipse' : 'rectangle'; } return null;}function itemWidthExpr(obj: { width: number; type: string; }, value) { if (value) { obj.width = value; } else { return obj.width || (obj.type === 'group' && 1.5) || 1; } return null;}function itemHeightExpr(obj: { height: number; type: string; }, value) { if (value) { obj.height = value; } else { return obj.height || (obj.type === 'group' && 1) || 0.75; } return null;}function itemTextStyleExpr(obj: { level: string; }) { if (obj.level === 'senior') { return { 'font-weight': 'bold', 'text-decoration': 'underline' }; } return {};}function itemStyleExpr(obj: { type: string; }) { const style: React.CSSProperties = { stroke: '#444444' }; if (obj.type === 'group') { style.fill = '#f3f3f3'; } return style;}function linkStyleExpr() { return { stroke: '#444444' };}function linkFromLineEndExpr() { return 'none';}function linkToLineEndExpr() { return 'none';}export default function App() { return ( <Diagram id="diagram"> <Nodes dataSource={orgItemsDataSource} typeExpr={itemTypeExpr} textExpr="name" widthExpr={itemWidthExpr} heightExpr={itemHeightExpr} textStyleExpr={itemTextStyleExpr} styleExpr={itemStyleExpr}> <AutoLayout type="tree" orientation="horizontal" /> </Nodes> <Edges dataSource={orgLinksDataSource} styleExpr={linkStyleExpr} fromLineEndExpr={linkFromLineEndExpr} toLineEndExpr={linkToLineEndExpr} /> <Toolbox> <Group category="general" title="General" /> </Toolbox> </Diagram> );}xxxxxxxxxximport React from 'react';import Diagram, { Nodes, AutoLayout, Edges, Toolbox, Group,} from 'devextreme-react/diagram';import ArrayStore from 'devextreme/data/array_store';import service from './data.js';const orgItemsDataSource = new ArrayStore({ key: 'id', data: service.getOrgItems(),});const orgLinksDataSource = new ArrayStore({ key: 'id', data: service.getOrgLinks(),});function itemTypeExpr(obj, value) { if (value) { obj.type = value === 'rectangle' ? undefined : 'group'; } else { return obj.type === 'group' ? 'ellipse' : 'rectangle'; } return null;}function itemWidthExpr(obj, value) { if (value) { obj.width = value; } else { return obj.width || (obj.type === 'group' && 1.5) || 1; } return null;}function itemHeightExpr(obj, value) { if (value) { obj.height = value; } else { return obj.height || (obj.type === 'group' && 1) || 0.75; } return null;}function itemTextStyleExpr(obj) { if (obj.level === 'senior') { return { 'font-weight': 'bold', 'text-decoration': 'underline' }; } return {};}function itemStyleExpr(obj) { const style = { stroke: '#444444' }; if (obj.type === 'group') { style.fill = '#f3f3f3'; } return style;}function linkStyleExpr() { return { stroke: '#444444' };}function linkFromLineEndExpr() { return 'none';}function linkToLineEndExpr() { return 'none';}export default function App() { return ( <Diagram id="diagram"> <Nodes dataSource={orgItemsDataSource} typeExpr={itemTypeExpr} textExpr="name" widthExpr={itemWidthExpr} heightExpr={itemHeightExpr} textStyleExpr={itemTextStyleExpr} styleExpr={itemStyleExpr} > <AutoLayout type="tree" orientation="horizontal" /> </Nodes> <Edges dataSource={orgLinksDataSource} styleExpr={linkStyleExpr} fromLineEndExpr={linkFromLineEndExpr} toLineEndExpr={linkToLineEndExpr} /> <Toolbox> <Group category="general" title="General" /> </Toolbox> </Diagram> );}xxxxxxxxxximport React from 'react';import ReactDOM from 'react-dom';import App from './App.tsx';ReactDOM.render( <App />, document.getElementById('app'),);xxxxxxxxxxconst orgItems = [ { id: '106', name: 'Development', type: 'group', }, { id: '107', name: 'WinForms\nTeam', type: 'group', }, { id: '108', name: 'WPF\nTeam', type: 'group', }, { id: '109', name: 'Javascript\nTeam', type: 'group', }, { id: '110', name: 'ASP.NET\nTeam', type: 'group', }, { id: '112', name: 'Ana\nTrujillo', level: 'senior', }, { id: '113', name: 'Antonio\nMoreno', }, { id: '115', name: 'Christina\nBerglund', }, { id: '116', name: 'Hanna\nMoos', }, { id: '119', name: 'Laurence\nLebihan', }, { id: '120', name: 'Elizabeth\nLincoln', level: 'senior', }, { id: '122', name: 'Patricio\nSimpson', level: 'senior', }, { id: '123', name: 'Francisco\nChang', },];const orgLinks = [ { id: '124', from: '106', to: '108', }, { id: '125', from: '106', to: '109', }, { id: '126', from: '106', to: '107', }, { id: '127', from: '106', to: '110', }, { id: '129', from: '110', to: '112', }, { id: '130', from: '110', to: '113', }, { id: '132', from: '107', to: '115', }, { id: '133', from: '107', to: '116', }, { id: '136', from: '108', to: '119', }, { id: '137', from: '108', to: '120', }, { id: '139', from: '109', to: '122', }, { id: '140', from: '109', to: '123', },];export default { getOrgItems() { return orgItems; }, getOrgLinks() { return orgLinks; },};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 ReactDOM from 'react-dom';import App from './App.js';ReactDOM.render(<App />, document.getElementById('app'));xxxxxxxxxxconst orgItems = [ { id: '106', name: 'Development', type: 'group', }, { id: '107', name: 'WinForms\nTeam', type: 'group', }, { id: '108', name: 'WPF\nTeam', type: 'group', }, { id: '109', name: 'Javascript\nTeam', type: 'group', }, { id: '110', name: 'ASP.NET\nTeam', type: 'group', }, { id: '112', name: 'Ana\nTrujillo', level: 'senior', }, { id: '113', name: 'Antonio\nMoreno', }, { id: '115', name: 'Christina\nBerglund', }, { id: '116', name: 'Hanna\nMoos', }, { id: '119', name: 'Laurence\nLebihan', }, { id: '120', name: 'Elizabeth\nLincoln', level: 'senior', }, { id: '122', name: 'Patricio\nSimpson', level: 'senior', }, { id: '123', name: 'Francisco\nChang', },];const orgLinks = [ { id: '124', from: '106', to: '108', }, { id: '125', from: '106', to: '109', }, { id: '126', from: '106', to: '107', }, { id: '127', from: '106', to: '110', }, { id: '129', from: '110', to: '112', }, { id: '130', from: '110', to: '113', }, { id: '132', from: '107', to: '115', }, { id: '133', from: '107', to: '116', }, { id: '136', from: '108', to: '119', }, { id: '137', from: '108', to: '120', }, { id: '139', from: '109', to: '122', }, { id: '140', from: '109', to: '123', },];export default { getOrgItems() { return orgItems; }, getOrgLinks() { return orgLinks; },};xxxxxxxxxx<html lang="en"> <head></head> <body class="dx-viewport"> <div class="demo-container"> <div id="app"></div> </div> </body></html>xxxxxxxxxx#diagram { height: 900px;}