Backend API
        
    import React, { useEffect, useRef } from 'react';
import Diagram, { DiagramRef } from 'devextreme-react/diagram';
import 'whatwg-fetch';
export default function App() {
  const diagramRef = useRef<DiagramRef>();
  useEffect(() => {
    const diagram = diagramRef.current.instance();
    fetch('../../../../data/diagram-flow.json')
      .then((response) => response.json())
      .then((json) => {
        diagram.import(JSON.stringify(json));
      })
      .catch(() => {
        throw new Error('Data Loading Error');
      });
  }, []);
  return (
    <Diagram id="diagram" ref={diagramRef} />
  );
}
    
    import React, { useEffect, useRef } from 'react';
import Diagram from 'devextreme-react/diagram';
import 'whatwg-fetch';
export default function App() {
  const diagramRef = useRef();
  useEffect(() => {
    const diagram = diagramRef.current.instance();
    fetch('../../../../data/diagram-flow.json')
      .then((response) => response.json())
      .then((json) => {
        diagram.import(JSON.stringify(json));
      })
      .catch(() => {
        throw new Error('Data Loading Error');
      });
  }, []);
  return (
    <Diagram
      id="diagram"
      ref={diagramRef}
    />
  );
}
    
    import React from 'react';
import ReactDOM from 'react-dom';
import App from './App.tsx';
ReactDOM.render(
  <App />,
  document.getElementById('app'),
);
    
    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',
    'whatwg-fetch': 'npm:whatwg-fetch@2.0.4/fetch.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 ReactDOM from 'react-dom';
import App from './App.js';
ReactDOM.render(<App />, document.getElementById('app'));
    
    {
	"page": {
		"width": 8400,
		"height": 11910,
		"pageWidth": 8400,
		"pageHeight": 11910,
		"pageLandscape": false,
		"gridSize": 180,
		"snapToGrid": true
	},
	"connectors": [{
			"key": "116",
			"points": [{
					"x": 2160,
					"y": 1800
				}, {
					"x": 2160,
					"y": 2340
				}
			],
			"zIndex": 0,
			"beginItemKey": "107",
			"beginConnectionPointIndex": 2,
			"endItemKey": "108",
			"endConnectionPointIndex": 0
		}, {
			"key": "117",
			"points": [{
					"x": 2160,
					"y": 3420
				}, {
					"x": 2160,
					"y": 3960
				}
			],
			"zIndex": 0,
			"beginItemKey": "108",
			"beginConnectionPointIndex": 2,
			"endItemKey": "118",
			"endConnectionPointIndex": 0
		}, {
			"key": "122",
			"points": [{
					"x": 3420,
					"y": 4680
				}, {
					"x": 5760,
					"y": 4680
				}
			],
			"zIndex": 0,
			"texts": {
				"0.45": "No"
			},
			"beginItemKey": "118",
			"beginConnectionPointIndex": 1,
			"endItemKey": "121",
			"endConnectionPointIndex": 3
		}, {
			"key": "123",
			"points": [{
					"x": 6840,
					"y": 4140
				}, {
					"x": 3420,
					"y": 2880
				}
			],
			"zIndex": 0,
			"beginItemKey": "121",
			"beginConnectionPointIndex": 0,
			"endItemKey": "108",
			"endConnectionPointIndex": 1
		}, {
			"key": "126",
			"points": [{
					"x": 3780,
					"y": 9180
				}, {
					"x": 2880,
					"y": 10440
				}
			],
			"zIndex": 0,
			"texts": {
				"0.78": "A popular scenario?"
			},
			"beginItemKey": "120",
			"beginConnectionPointIndex": 3,
			"endItemKey": "125",
			"endConnectionPointIndex": 0
		}, {
			"key": "130",
			"points": [{
					"x": 5220,
					"y": 9180
				}, {
					"x": 6120,
					"y": 10440
				}
			],
			"zIndex": 0,
			"texts": {
				"0.77": "Missing info in\nthe documentation?"
			},
			"beginItemKey": "120",
			"beginConnectionPointIndex": 1,
			"endItemKey": "127",
			"endConnectionPointIndex": 0
		}, {
			"key": "132",
			"points": [{
					"x": 2160,
					"y": 5400
				}, {
					"x": 2160,
					"y": 6120
				}
			],
			"zIndex": 0,
			"texts": {
				"0.47": "Yes"
			},
			"beginItemKey": "118",
			"beginConnectionPointIndex": 2,
			"endItemKey": "131",
			"endConnectionPointIndex": 0
		}, {
			"key": "124",
			"points": [{
					"x": 2160,
					"y": 7200
				}, {
					"x": 4500,
					"y": 8820
				}
			],
			"zIndex": 0,
			"beginItemKey": "131",
			"beginConnectionPointIndex": 2,
			"endItemKey": "120",
			"endConnectionPointIndex": 0
		}, {
			"key": "134",
			"points": [{
					"x": 3420,
					"y": 6660
				}, {
					"x": 5760,
					"y": 6660
				}
			],
			"zIndex": 0,
			"texts": {
				"0.5": "Need developer\nassistance?"
			},
			"beginItemKey": "131",
			"beginConnectionPointIndex": 1,
			"endItemKey": "133",
			"endConnectionPointIndex": 3
		}, {
			"key": "135",
			"points": [{
					"x": 6840,
					"y": 7200
				}, {
					"x": 4500,
					"y": 8820
				}
			],
			"zIndex": 0,
			"beginItemKey": "133",
			"beginConnectionPointIndex": 2,
			"endItemKey": "120",
			"endConnectionPointIndex": 0
		}
	],
    "shapes": [
        {
            "key": "107",
            "type": "terminator",
            "text": "A new ticket",
            "x": 1440,
            "y": 1080,
            "width": 1440,
            "height": 720,
            "zIndex": 0
        },
        {
            "key": "108",
            "type": "process",
            "text": "Analyze\nthe issue",
            "x": 900,
            "y": 2340,
            "width": 2520,
            "height": 1080,
            "zIndex": 0
        },
        {
            "key": "118",
            "type": "decision",
            "text": "Do we have all\ninformation to\nwork with?",
            "x": 900,
            "y": 3960,
            "width": 2520,
            "height": 1440,
            "zIndex": 0
        },
        {
            "key": "120",
            "type": "terminator",
            "text": "Answered",
            "x": 3780,
            "y": 8640,
            "width": 1440,
            "height": 720,
            "zIndex": 0
        },
        {
            "key": "121",
            "type": "process",
            "text": "Request additional\ninformation or clarify\nthe scenario",
            "x": 5760,
            "y": 4140,
            "width": 2160,
            "height": 1080,
            "zIndex": 0
        },
        {
            "key": "125",
            "type": "process",
            "text": "Prepare an example in\nCode Central",
            "x": 1620,
            "y": 10440,
            "width": 2520,
            "height": 1080,
            "zIndex": 0
        },
        {
            "key": "127",
            "type": "process",
            "text": "Update the\ndocumentation",
            "x": 4860,
            "y": 10440,
            "width": 2520,
            "height": 1080,
            "zIndex": 0
        },
        {
            "key": "131",
            "type": "process",
            "text": "Process the\nticket",
            "x": 900,
            "y": 6120,
            "width": 2520,
            "height": 1080,
            "zIndex": 0
        },
        {
            "key": "133",
            "type": "process",
            "text": "Work with the\nR&D team",
            "x": 5760,
            "y": 6120,
            "width": 2160,
            "height": 1080,
            "zIndex": 0
        },
        {
            "key": "136",
            "type": "text",
            "locked": true,
            "text": "Ticket Processing Flow",
            "x": 360,
            "y": 360,
            "width": 7740,
            "height": 360,
            "zIndex": 0,
            "styleText": {
                "font-size": "14pt",
                "font-weight": "bold"
            }
        }
    ]
}
    
    <!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-diagram.min.css" />
    <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="https://maxcdn.bootstrapcdn.com/font-awesome/4.6.3/css/font-awesome.min.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>
    
    #diagram {
  height: 900px;
}