React Gantt - Overview

The DevExtreme JavaScript Gantt component allows you to display task flow and dependencies between tasks over a specified period.

You can move and modify tasks (task name, duration or progress, for example) directly from the chart. Adjust the timescale to display tasks in smaller or greater time intervals, from hours to years. Hold the CTRL key and rotate your mouse's scroll wheel to zoom and browse data in detail.

The Gantt component requires specific imports. Refer to the following step-by-step tutorial to learn more: Getting Started with Gantt.

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TS JS

Backend API

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import React from 'react';
​import Gantt, {  Tasks, Dependencies, Resources, ResourceAssignments, Column, Editing, Toolbar, Item, Validation,} from 'devextreme-react/gantt';​import {  tasks, dependencies, resources, resourceAssignments,} from './data.ts';​function App() {  return (    <Gantt      taskListWidth={500}      scaleType="weeks"      height={700}>​      <Tasks dataSource={tasks} />      <Dependencies dataSource={dependencies} />      <Resources dataSource={resources} />      <ResourceAssignments dataSource={resourceAssignments} />​      <Toolbar>        <Item name="undo" />        <Item name="redo" />        <Item name="separator" />        <Item name="collapseAll" />        <Item name="expandAll" />        <Item name="separator" />        <Item name="addTask" />        <Item name="deleteTask" />        <Item name="separator" />        <Item name="zoomIn" />        <Item name="zoomOut" />      </Toolbar>​      <Column dataField="title" caption="Subject" width={300} />      <Column dataField="start" caption="Start Date" />      <Column dataField="end" caption="End Date" />​      <Validation autoUpdateParentTasks />      <Editing enabled />    </Gantt>  );}​export default App;​

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import React from 'react';
import Gantt, {  Tasks,  Dependencies,  Resources,  ResourceAssignments,  Column,  Editing,  Toolbar,  Item,  Validation,} from 'devextreme-react/gantt';import {  tasks, dependencies, resources, resourceAssignments,} from './data.js';​function App() {  return (    <Gantt      taskListWidth={500}      scaleType="weeks"      height={700}    >      <Tasks dataSource={tasks} />      <Dependencies dataSource={dependencies} />      <Resources dataSource={resources} />      <ResourceAssignments dataSource={resourceAssignments} />​      <Toolbar>        <Item name="undo" />        <Item name="redo" />        <Item name="separator" />        <Item name="collapseAll" />        <Item name="expandAll" />        <Item name="separator" />        <Item name="addTask" />        <Item name="deleteTask" />        <Item name="separator" />        <Item name="zoomIn" />        <Item name="zoomOut" />      </Toolbar>​      <Column        dataField="title"        caption="Subject"        width={300}      />      <Column        dataField="start"        caption="Start Date"      />      <Column        dataField="end"        caption="End Date"      />​      <Validation autoUpdateParentTasks />      <Editing enabled />    </Gantt>  );}export default App;​

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import React from 'react';
import ReactDOM from 'react-dom';​import App from './App.tsx';​ReactDOM.render(  <App />,  document.getElementById('app'),);​

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export const tasks = [{
  id: 1,  parentId: 0,  title: 'Software Development',  start: new Date('2019-02-21T05:00:00.000Z'),  end: new Date('2019-07-04T12:00:00.000Z'),  progress: 31,}, {  id: 2,  parentId: 1,  title: 'Scope',  start: new Date('2019-02-21T05:00:00.000Z'),  end: new Date('2019-02-26T09:00:00.000Z'),  progress: 60,}, {  id: 3,  parentId: 2,  title: 'Determine project scope',  start: new Date('2019-02-21T05:00:00.000Z'),  end: new Date('2019-02-21T09:00:00.000Z'),  progress: 100,}, {  id: 4,  parentId: 2,  title: 'Secure project sponsorship',  start: new Date('2019-02-21T10:00:00.000Z'),  end: new Date('2019-02-22T09:00:00.000Z'),  progress: 100,}, {  id: 5,  parentId: 2,  title: 'Define preliminary resources',  start: new Date('2019-02-22T10:00:00.000Z'),  end: new Date('2019-02-25T09:00:00.000Z'),  progress: 60,}, {  id: 6,  parentId: 2,  title: 'Secure core resources',  start: new Date('2019-02-25T10:00:00.000Z'),  end: new Date('2019-02-26T09:00:00.000Z'),  progress: 0,}, {  id: 7,  parentId: 2,  title: 'Scope complete',  start: new Date('2019-02-26T09:00:00.000Z'),  end: new Date('2019-02-26T09:00:00.000Z'),  progress: 0,}, {  id: 8,  parentId: 1,  title: 'Analysis/Software Requirements',  start: new Date('2019-02-26T10:00:00.000Z'),  end: new Date('2019-03-18T09:00:00.000Z'),  progress: 80,}, {  id: 9,  parentId: 8,  title: 'Conduct needs analysis',  start: new Date('2019-02-26T10:00:00.000Z'),  end: new Date('2019-03-05T09:00:00.000Z'),  progress: 100,}, {  id: 10,  parentId: 8,  title: 'Draft preliminary software specifications',  start: new Date('2019-03-05T10:00:00.000Z'),  end: new Date('2019-03-08T09:00:00.000Z'),  progress: 100,}, {  id: 11,  parentId: 8,  title: 'Develop preliminary budget',  start: new Date('2019-03-08T10:00:00.000Z'),  end: new Date('2019-03-12T09:00:00.000Z'),  progress: 100,}, {  id: 12,  parentId: 8,  title: 'Review software specifications/budget with team',  start: new Date('2019-03-12T10:00:00.000Z'),  end: new Date('2019-03-12T14:00:00.000Z'),  progress: 100,}, {  id: 13,  parentId: 8,  title: 'Incorporate feedback on software specifications',  start: new Date('2019-03-13T05:00:00.000Z'),  end: new Date('2019-03-13T14:00:00.000Z'),  progress: 70,}, {  id: 14,  parentId: 8,  title: 'Develop delivery timeline',  start: new Date('2019-03-14T05:00:00.000Z'),  end: new Date('2019-03-14T14:00:00.000Z'),  progress: 0,}, {  id: 15,  parentId: 8,  title: 'Obtain approvals to proceed (concept, timeline, budget)',  start: new Date('2019-03-15T05:00:00.000Z'),  end: new Date('2019-03-15T09:00:00.000Z'),  progress: 0,}, {  id: 16,  parentId: 8,  title: 'Secure required resources',  start: new Date('2019-03-15T10:00:00.000Z'),  end: new Date('2019-03-18T09:00:00.000Z'),  progress: 0,}, {  id: 17,  parentId: 8,  title: 'Analysis complete',  start: new Date('2019-03-18T09:00:00.000Z'),  end: new Date('2019-03-18T09:00:00.000Z'),  progress: 0,}, {  id: 18,  parentId: 1,  title: 'Design',  start: new Date('2019-03-18T10:00:00.000Z'),  end: new Date('2019-04-05T14:00:00.000Z'),  progress: 80,}, {  id: 19,  parentId: 18,  title: 'Review preliminary software specifications',  start: new Date('2019-03-18T10:00:00.000Z'),  end: new Date('2019-03-20T09:00:00.000Z'),  progress: 100,}, {  id: 20,  parentId: 18,  title: 'Develop functional specifications',  start: new Date('2019-03-20T10:00:00.000Z'),  end: new Date('2019-03-27T09:00:00.000Z'),  progress: 100,}, {  id: 21,  parentId: 18,  title: 'Develop prototype based on functional specifications',  start: new Date('2019-03-27T10:00:00.000Z'),  end: new Date('2019-04-02T09:00:00.000Z'),  progress: 100,}, {  id: 22,  parentId: 18,  title: 'Review functional specifications',  start: new Date('2019-04-02T10:00:00.000Z'),  end: new Date('2019-04-04T09:00:00.000Z'),  progress: 30,}, {  id: 23,  parentId: 18,  title: 'Incorporate feedback into functional specifications',  start: new Date('2019-04-04T10:00:00.000Z'),  end: new Date('2019-04-05T09:00:00.000Z'),  progress: 0,}, {  id: 24,  parentId: 18,  title: 'Obtain approval to proceed',  start: new Date('2019-04-05T10:00:00.000Z'),  end: new Date('2019-04-05T14:00:00.000Z'),  progress: 0,}, {  id: 25,  parentId: 18,  title: 'Design complete',  start: new Date('2019-04-05T14:00:00.000Z'),  end: new Date('2019-04-05T14:00:00.000Z'),  progress: 0,}, {  id: 26,  parentId: 1,  title: 'Development',  start: new Date('2019-04-08T05:00:00.000Z'),  end: new Date('2019-05-07T12:00:00.000Z'),  progress: 42,}, {  id: 27,  parentId: 26,  title: 'Review functional specifications',  start: new Date('2019-04-08T05:00:00.000Z'),  end: new Date('2019-04-08T14:00:00.000Z'),  progress: 100,}, {  id: 28,  parentId: 26,  title: 'Identify modular/tiered design parameters',  start: new Date('2019-04-09T05:00:00.000Z'),  end: new Date('2019-04-09T14:00:00.000Z'),  progress: 100,}, {  id: 29,  parentId: 26,  title: 'Assign development staff',  start: new Date('2019-04-10T05:00:00.000Z'),  end: new Date('2019-04-10T14:00:00.000Z'),  progress: 100,}, {  id: 30,  parentId: 26,  title: 'Develop code',  start: new Date('2019-04-11T05:00:00.000Z'),  end: new Date('2019-05-01T14:00:00.000Z'),  progress: 49,}, {  id: 31,  parentId: 26,  title: 'Developer testing (primary debugging)',  start: new Date('2019-04-16T12:00:00.000Z'),  end: new Date('2019-05-07T12:00:00.000Z'),  progress: 24,}, {  id: 32,  parentId: 26,  title: 'Development complete',  start: new Date('2019-05-07T12:00:00.000Z'),  end: new Date('2019-05-07T12:00:00.000Z'),  progress: 0,}, {  id: 33,  parentId: 1,  title: 'Testing',  start: new Date('2019-04-08T05:00:00.000Z'),  end: new Date('2019-06-13T12:00:00.000Z'),  progress: 23,}, {  id: 34,  parentId: 33,  title: 'Develop unit test plans using product specifications',  start: new Date('2019-04-08T05:00:00.000Z'),  end: new Date('2019-04-11T14:00:00.000Z'),  progress: 100,}, {  id: 35,  parentId: 33,  title: 'Develop integration test plans using product specifications',  start: new Date('2019-04-08T05:00:00.000Z'),  end: new Date('2019-04-11T14:00:00.000Z'),  progress: 100,}, {  id: 36,  parentId: 33,  title: 'Unit Testing',  start: new Date('2019-05-07T12:00:00.000Z'),  end: new Date('2019-05-28T12:00:00.000Z'),  progress: 0,}, {  id: 37,  parentId: 36,  title: 'Review modular code',  start: new Date('2019-05-07T12:00:00.000Z'),  end: new Date('2019-05-14T12:00:00.000Z'),  progress: 0,}, {  id: 38,  parentId: 36,  title: 'Test component modules to product specifications',  start: new Date('2019-05-14T12:00:00.000Z'),  end: new Date('2019-05-16T12:00:00.000Z'),  progress: 0,}, {  id: 39,  parentId: 36,  title: 'Identify anomalies to product specifications',  start: new Date('2019-05-16T12:00:00.000Z'),  end: new Date('2019-05-21T12:00:00.000Z'),  progress: 0,}, {  id: 40,  parentId: 36,  title: 'Modify code',  start: new Date('2019-05-21T12:00:00.000Z'),  end: new Date('2019-05-24T12:00:00.000Z'),  progress: 0,}, {  id: 41,  parentId: 36,  title: 'Re-test modified code',  start: new Date('2019-05-24T12:00:00.000Z'),  end: new Date('2019-05-28T12:00:00.000Z'),  progress: 0,}, {  id: 42,  parentId: 36,  title: 'Unit testing complete',  start: new Date('2019-05-28T12:00:00.000Z'),  end: new Date('2019-05-28T12:00:00.000Z'),  progress: 0,}, {  id: 43,  parentId: 33,  title: 'Integration Testing',  start: new Date('2019-05-28T12:00:00.000Z'),  end: new Date('2019-06-13T12:00:00.000Z'),  progress: 0,}, {  id: 44,  parentId: 43,  title: 'Test module integration',  start: new Date('2019-05-28T12:00:00.000Z'),  end: new Date('2019-06-04T12:00:00.000Z'),  progress: 0,}, {  id: 45,  parentId: 43,  title: 'Identify anomalies to specifications',  start: new Date('2019-06-04T12:00:00.000Z'),  end: new Date('2019-06-06T12:00:00.000Z'),  progress: 0,}, {  id: 46,  parentId: 43,  title: 'Modify code',  start: new Date('2019-06-06T12:00:00.000Z'),  end: new Date('2019-06-11T12:00:00.000Z'),  progress: 0,}, {  id: 47,  parentId: 43,  title: 'Re-test modified code',  start: new Date('2019-06-11T12:00:00.000Z'),  end: new Date('2019-06-13T12:00:00.000Z'),  progress: 0,}, {  id: 48,  parentId: 43,  title: 'Integration testing complete',  start: new Date('2019-06-13T12:00:00.000Z'),  end: new Date('2019-06-13T12:00:00.000Z'),  progress: 0,}, {  id: 49,  parentId: 1,  title: 'Training',  start: new Date('2019-04-08T05:00:00.000Z'),  end: new Date('2019-06-10T12:00:00.000Z'),  progress: 25,}, {  id: 50,  parentId: 49,  title: 'Develop training specifications for end users',  start: new Date('2019-04-08T05:00:00.000Z'),  end: new Date('2019-04-10T14:00:00.000Z'),  progress: 100,}, {  id: 51,  parentId: 49,  title: 'Develop training specifications for helpdesk support staff',  start: new Date('2019-04-08T05:00:00.000Z'),  end: new Date('2019-04-10T14:00:00.000Z'),  progress: 100,}, {  id: 52,  parentId: 49,  title: 'Identify training delivery methodology (computer based training, classroom, etc.)',  start: new Date('2019-04-08T05:00:00.000Z'),  end: new Date('2019-04-09T14:00:00.000Z'),  progress: 100,}, {  id: 53,  parentId: 49,  title: 'Develop training materials',  start: new Date('2019-05-07T12:00:00.000Z'),  end: new Date('2019-05-28T12:00:00.000Z'),  progress: 0,}, {  id: 54,  parentId: 49,  title: 'Conduct training usability study',  start: new Date('2019-05-28T12:00:00.000Z'),  end: new Date('2019-06-03T12:00:00.000Z'),  progress: 0,}, {  id: 55,  parentId: 49,  title: 'Finalize training materials',  start: new Date('2019-06-03T12:00:00.000Z'),  end: new Date('2019-06-06T12:00:00.000Z'),  progress: 0,}, {  id: 56,  parentId: 49,  title: 'Develop training delivery mechanism',  start: new Date('2019-06-06T12:00:00.000Z'),  end: new Date('2019-06-10T12:00:00.000Z'),  progress: 0,}, {  id: 57,  parentId: 49,  title: 'Training materials complete',  start: new Date('2019-06-10T12:00:00.000Z'),  end: new Date('2019-06-10T12:00:00.000Z'),  progress: 0,}, {  id: 58,  parentId: 1,  title: 'Documentation',  start: new Date('2019-04-08T05:00:00.000Z'),  end: new Date('2019-05-20T09:00:00.000Z'),  progress: 0,}, {  id: 59,  parentId: 58,  title: 'Develop Help specification',  start: new Date('2019-04-08T05:00:00.000Z'),  end: new Date('2019-04-08T14:00:00.000Z'),  progress: 80,}, {  id: 60,  parentId: 58,  title: 'Develop Help system',  start: new Date('2019-04-22T10:00:00.000Z'),  end: new Date('2019-05-13T09:00:00.000Z'),  progress: 0,}, {  id: 61,  parentId: 58,  title: 'Review Help documentation',  start: new Date('2019-05-13T10:00:00.000Z'),  end: new Date('2019-05-16T09:00:00.000Z'),  progress: 0,}, {  id: 62,  parentId: 58,  title: 'Incorporate Help documentation feedback',  start: new Date('2019-05-16T10:00:00.000Z'),  end: new Date('2019-05-20T09:00:00.000Z'),  progress: 0,}, {  id: 63,  parentId: 58,  title: 'Develop user manuals specifications',  start: new Date('2019-04-08T05:00:00.000Z'),  end: new Date('2019-04-09T14:00:00.000Z'),  progress: 65,}, {  id: 64,  parentId: 58,  title: 'Develop user manuals',  start: new Date('2019-04-22T10:00:00.000Z'),  end: new Date('2019-05-13T09:00:00.000Z'),  progress: 0,}, {  id: 65,  parentId: 58,  title: 'Review all user documentation',  start: new Date('2019-05-13T10:00:00.000Z'),  end: new Date('2019-05-15T09:00:00.000Z'),  progress: 0,}, {  id: 66,  parentId: 58,  title: 'Incorporate user documentation feedback',  start: new Date('2019-05-15T10:00:00.000Z'),  end: new Date('2019-05-17T09:00:00.000Z'),  progress: 0,}, {  id: 67,  parentId: 58,  title: 'Documentation complete',  start: new Date('2019-05-20T09:00:00.000Z'),  end: new Date('2019-05-20T09:00:00.000Z'),  progress: 0,}, {  id: 68,  parentId: 1,  title: 'Pilot',  start: new Date('2019-03-18T10:00:00.000Z'),  end: new Date('2019-06-24T12:00:00.000Z'),  progress: 22,}, {  id: 69,  parentId: 68,  title: 'Identify test group',  start: new Date('2019-03-18T10:00:00.000Z'),  end: new Date('2019-03-19T09:00:00.000Z'),  progress: 100,}, {  id: 70,  parentId: 68,  title: 'Develop software delivery mechanism',  start: new Date('2019-03-19T10:00:00.000Z'),  end: new Date('2019-03-20T09:00:00.000Z'),  progress: 100,}, {  id: 71,  parentId: 68,  title: 'Install/deploy software',  start: new Date('2019-06-13T12:00:00.000Z'),  end: new Date('2019-06-14T12:00:00.000Z'),  progress: 0,}, {  id: 72,  parentId: 68,  title: 'Obtain user feedback',  start: new Date('2019-06-14T12:00:00.000Z'),  end: new Date('2019-06-21T12:00:00.000Z'),  progress: 0,}, {  id: 73,  parentId: 68,  title: 'Evaluate testing information',  start: new Date('2019-06-21T12:00:00.000Z'),  end: new Date('2019-06-24T12:00:00.000Z'),  progress: 0,}, {  id: 74,  parentId: 68,  title: 'Pilot complete',  start: new Date('2019-06-24T12:00:00.000Z'),  end: new Date('2019-06-24T12:00:00.000Z'),  progress: 0,}, {  id: 75,  parentId: 1,  title: 'Deployment',  start: new Date('2019-06-24T12:00:00.000Z'),  end: new Date('2019-07-01T12:00:00.000Z'),  progress: 0,}, {  id: 76,  parentId: 75,  title: 'Determine final deployment strategy',  start: new Date('2019-06-24T12:00:00.000Z'),  end: new Date('2019-06-25T12:00:00.000Z'),  progress: 0,}, {  id: 77,  parentId: 75,  title: 'Develop deployment methodology',  start: new Date('2019-06-25T12:00:00.000Z'),  end: new Date('2019-06-26T12:00:00.000Z'),  progress: 0,}, {  id: 78,  parentId: 75,  title: 'Secure deployment resources',  start: new Date('2019-06-26T12:00:00.000Z'),  end: new Date('2019-06-27T12:00:00.000Z'),  progress: 0,}, {  id: 79,  parentId: 75,  title: 'Train support staff',  start: new Date('2019-06-27T12:00:00.000Z'),  end: new Date('2019-06-28T12:00:00.000Z'),  progress: 0,}, {  id: 80,  parentId: 75,  title: 'Deploy software',  start: new Date('2019-06-28T12:00:00.000Z'),  end: new Date('2019-07-01T12:00:00.000Z'),  progress: 0,}, {  id: 81,  parentId: 75,  title: 'Deployment complete',  start: new Date('2019-07-01T12:00:00.000Z'),  end: new Date('2019-07-01T12:00:00.000Z'),  progress: 0,}, {  id: 82,  parentId: 1,  title: 'Post Implementation Review',  start: new Date('2019-07-01T12:00:00.000Z'),  end: new Date('2019-07-04T12:00:00.000Z'),  progress: 0,}, {  id: 83,  parentId: 82,  title: 'Document lessons learned',  start: new Date('2019-07-01T12:00:00.000Z'),  end: new Date('2019-07-02T12:00:00.000Z'),  progress: 0,}, {  id: 84,  parentId: 82,  title: 'Distribute to team members',  start: new Date('2019-07-02T12:00:00.000Z'),  end: new Date('2019-07-03T12:00:00.000Z'),  progress: 0,}, {  id: 85,  parentId: 82,  title: 'Create software maintenance team',  start: new Date('2019-07-03T12:00:00.000Z'),  end: new Date('2019-07-04T12:00:00.000Z'),  progress: 0,}, {  id: 86,  parentId: 82,  title: 'Post implementation review complete',  start: new Date('2019-07-04T12:00:00.000Z'),  end: new Date('2019-07-04T12:00:00.000Z'),  progress: 0,}, {  id: 87,  parentId: 1,  title: 'Software development template complete',  start: new Date('2019-07-04T12:00:00.000Z'),  end: new Date('2019-07-04T12:00:00.000Z'),  progress: 0,}];​export const dependencies = [{  id: 1,  predecessorId: 3,  successorId: 4,  type: 0,}, {  id: 2,  predecessorId: 4,  successorId: 5,  type: 0,}, {  id: 3,  predecessorId: 5,  successorId: 6,  type: 0,}, {  id: 4,  predecessorId: 6,  successorId: 7,  type: 0,}, {  id: 5,  predecessorId: 7,  successorId: 9,  type: 0,}, {  id: 6,  predecessorId: 9,  successorId: 10,  type: 0,}, {  id: 7,  predecessorId: 10,  successorId: 11,  type: 0,}, {  id: 8,  predecessorId: 11,  successorId: 12,  type: 0,}, {  id: 9,  predecessorId: 12,  successorId: 13,  type: 0,}, {  id: 10,  predecessorId: 13,  successorId: 14,  type: 0,}, {  id: 11,  predecessorId: 14,  successorId: 15,  type: 0,}, {  id: 12,  predecessorId: 15,  successorId: 16,  type: 0,}, {  id: 13,  predecessorId: 16,  successorId: 17,  type: 0,}, {  id: 14,  predecessorId: 17,  successorId: 19,  type: 0,}, {  id: 15,  predecessorId: 19,  successorId: 20,  type: 0,}, {  id: 16,  predecessorId: 20,  successorId: 21,  type: 0,}, {  id: 17,  predecessorId: 21,  successorId: 22,  type: 0,}, {  id: 18,  predecessorId: 22,  successorId: 23,  type: 0,}, {  id: 19,  predecessorId: 23,  successorId: 24,  type: 0,}, {  id: 20,  predecessorId: 24,  successorId: 25,  type: 0,}, {  id: 21,  predecessorId: 25,  successorId: 27,  type: 0,}, {  id: 22,  predecessorId: 27,  successorId: 28,  type: 0,}, {  id: 23,  predecessorId: 28,  successorId: 29,  type: 0,}, {  id: 24,  predecessorId: 29,  successorId: 30,  type: 0,}, {  id: 25,  predecessorId: 31,  successorId: 32,  type: 0,}, {  id: 26,  predecessorId: 37,  successorId: 38,  type: 0,}, {  id: 27,  predecessorId: 38,  successorId: 39,  type: 0,}, {  id: 28,  predecessorId: 39,  successorId: 40,  type: 0,}, {  id: 29,  predecessorId: 40,  successorId: 41,  type: 0,}, {  id: 30,  predecessorId: 41,  successorId: 42,  type: 0,}, {  id: 31,  predecessorId: 42,  successorId: 44,  type: 0,}, {  id: 32,  predecessorId: 44,  successorId: 45,  type: 0,}, {  id: 33,  predecessorId: 45,  successorId: 46,  type: 0,}, {  id: 34,  predecessorId: 46,  successorId: 47,  type: 0,}, {  id: 35,  predecessorId: 47,  successorId: 48,  type: 0,}, {  id: 36,  predecessorId: 53,  successorId: 54,  type: 0,}, {  id: 37,  predecessorId: 54,  successorId: 55,  type: 0,}, {  id: 38,  predecessorId: 55,  successorId: 56,  type: 0,}, {  id: 39,  predecessorId: 56,  successorId: 57,  type: 0,}, {  id: 40,  predecessorId: 59,  successorId: 60,  type: 0,}, {  id: 41,  predecessorId: 60,  successorId: 61,  type: 0,}, {  id: 42,  predecessorId: 61,  successorId: 62,  type: 0,}, {  id: 43,  predecessorId: 63,  successorId: 64,  type: 0,}, {  id: 44,  predecessorId: 64,  successorId: 65,  type: 0,}, {  id: 45,  predecessorId: 65,  successorId: 66,  type: 0,}, {  id: 46,  predecessorId: 66,  successorId: 67,  type: 0,}, {  id: 47,  predecessorId: 69,  successorId: 70,  type: 0,}, {  id: 48,  predecessorId: 70,  successorId: 71,  type: 0,}, {  id: 49,  predecessorId: 71,  successorId: 72,  type: 0,}, {  id: 50,  predecessorId: 72,  successorId: 73,  type: 0,}, {  id: 51,  predecessorId: 73,  successorId: 74,  type: 0,}, {  id: 52,  predecessorId: 74,  successorId: 76,  type: 0,}, {  id: 53,  predecessorId: 76,  successorId: 77,  type: 0,}, {  id: 54,  predecessorId: 77,  successorId: 78,  type: 0,}, {  id: 55,  predecessorId: 78,  successorId: 79,  type: 0,}, {  id: 56,  predecessorId: 79,  successorId: 80,  type: 0,}, {  id: 57,  predecessorId: 80,  successorId: 81,  type: 0,}, {  id: 58,  predecessorId: 81,  successorId: 83,  type: 0,}, {  id: 59,  predecessorId: 83,  successorId: 84,  type: 0,}, {  id: 60,  predecessorId: 84,  successorId: 85,  type: 0,}, {  id: 61,  predecessorId: 85,  successorId: 86,  type: 0,}, {  id: 62,  predecessorId: 86,  successorId: 87,  type: 0,}];​export const resources = [{  id: 1,  text: 'Management',}, {  id: 2,  text: 'Project Manager',}, {  id: 3,  text: 'Analyst',}, {  id: 4,  text: 'Developer',}, {  id: 5,  text: 'Testers',}, {  id: 6,  text: 'Trainers',}, {  id: 7,  text: 'Technical Communicators',}, {  id: 8,  text: 'Deployment Team',}];​export const resourceAssignments = [{  id: 0,  taskId: 3,  resourceId: 1,}, {  id: 1,  taskId: 4,  resourceId: 1,}, {  id: 2,  taskId: 5,  resourceId: 2,}, {  id: 3,  taskId: 6,  resourceId: 2,}, {  id: 4,  taskId: 9,  resourceId: 3,}, {  id: 5,  taskId: 10,  resourceId: 3,}, {  id: 6,  taskId: 11,  resourceId: 2,}, {  id: 7,  taskId: 12,  resourceId: 2,}, {  id: 8,  taskId: 12,  resourceId: 3,}, {  id: 9,  taskId: 13,  resourceId: 3,}, {  id: 10,  taskId: 14,  resourceId: 2,}, {  id: 11,  taskId: 15,  resourceId: 1,}, {  id: 12,  taskId: 15,  resourceId: 2,}, {  id: 13,  taskId: 16,  resourceId: 2,}, {  id: 14,  taskId: 19,  resourceId: 3,}, {  id: 15,  taskId: 20,  resourceId: 3,}, {  id: 16,  taskId: 21,  resourceId: 3,}, {  id: 17,  taskId: 22,  resourceId: 1,}, {  id: 18,  taskId: 23,  resourceId: 1,}, {  id: 19,  taskId: 24,  resourceId: 1,}, {  id: 20,  taskId: 24,  resourceId: 2,}, {  id: 21,  taskId: 27,  resourceId: 4,}, {  id: 22,  taskId: 28,  resourceId: 4,}, {  id: 23,  taskId: 29,  resourceId: 4,}, {  id: 24,  taskId: 30,  resourceId: 4,}, {  id: 25,  taskId: 31,  resourceId: 4,}, {  id: 26,  taskId: 34,  resourceId: 5,}, {  id: 27,  taskId: 35,  resourceId: 5,}, {  id: 28,  taskId: 37,  resourceId: 5,}, {  id: 29,  taskId: 38,  resourceId: 5,}, {  id: 30,  taskId: 39,  resourceId: 5,}, {  id: 31,  taskId: 40,  resourceId: 5,}, {  id: 32,  taskId: 41,  resourceId: 5,}, {  id: 33,  taskId: 44,  resourceId: 5,}, {  id: 34,  taskId: 45,  resourceId: 5,}, {  id: 35,  taskId: 46,  resourceId: 5,}, {  id: 36,  taskId: 47,  resourceId: 5,}, {  id: 37,  taskId: 50,  resourceId: 6,}, {  id: 38,  taskId: 51,  resourceId: 6,}, {  id: 39,  taskId: 52,  resourceId: 6,}, {  id: 40,  taskId: 53,  resourceId: 6,}, {  id: 41,  taskId: 54,  resourceId: 6,}, {  id: 42,  taskId: 55,  resourceId: 6,}, {  id: 43,  taskId: 56,  resourceId: 6,}, {  id: 44,  taskId: 59,  resourceId: 7,}, {  id: 45,  taskId: 60,  resourceId: 7,}, {  id: 46,  taskId: 61,  resourceId: 7,}, {  id: 47,  taskId: 62,  resourceId: 7,}, {  id: 48,  taskId: 63,  resourceId: 7,}, {  id: 49,  taskId: 64,  resourceId: 7,}, {  id: 50,  taskId: 65,  resourceId: 7,}, {  id: 51,  taskId: 66,  resourceId: 7,}, {  id: 52,  taskId: 69,  resourceId: 2,}, {  id: 53,  taskId: 71,  resourceId: 8,}, {  id: 54,  taskId: 72,  resourceId: 8,}, {  id: 55,  taskId: 73,  resourceId: 8,}, {  id: 56,  taskId: 76,  resourceId: 8,}, {  id: 57,  taskId: 77,  resourceId: 8,}, {  id: 58,  taskId: 78,  resourceId: 8,}, {  id: 59,  taskId: 79,  resourceId: 8,}, {  id: 60,  taskId: 80,  resourceId: 8,}, {  id: 61,  taskId: 83,  resourceId: 2,}, {  id: 62,  taskId: 84,  resourceId: 2,}, {  id: 63,  taskId: 85,  resourceId: 2,}];​

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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://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);​

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import React from 'react';
import ReactDOM from 'react-dom';import App from './App.js';​ReactDOM.render(<App />, document.getElementById('app'));​

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export const tasks = [
  {    id: 1,    parentId: 0,    title: 'Software Development',    start: new Date('2019-02-21T05:00:00.000Z'),    end: new Date('2019-07-04T12:00:00.000Z'),    progress: 31,  },  {    id: 2,    parentId: 1,    title: 'Scope',    start: new Date('2019-02-21T05:00:00.000Z'),    end: new Date('2019-02-26T09:00:00.000Z'),    progress: 60,  },  {    id: 3,    parentId: 2,    title: 'Determine project scope',    start: new Date('2019-02-21T05:00:00.000Z'),    end: new Date('2019-02-21T09:00:00.000Z'),    progress: 100,  },  {    id: 4,    parentId: 2,    title: 'Secure project sponsorship',    start: new Date('2019-02-21T10:00:00.000Z'),    end: new Date('2019-02-22T09:00:00.000Z'),    progress: 100,  },  {    id: 5,    parentId: 2,    title: 'Define preliminary resources',    start: new Date('2019-02-22T10:00:00.000Z'),    end: new Date('2019-02-25T09:00:00.000Z'),    progress: 60,  },  {    id: 6,    parentId: 2,    title: 'Secure core resources',    start: new Date('2019-02-25T10:00:00.000Z'),    end: new Date('2019-02-26T09:00:00.000Z'),    progress: 0,  },  {    id: 7,    parentId: 2,    title: 'Scope complete',    start: new Date('2019-02-26T09:00:00.000Z'),    end: new Date('2019-02-26T09:00:00.000Z'),    progress: 0,  },  {    id: 8,    parentId: 1,    title: 'Analysis/Software Requirements',    start: new Date('2019-02-26T10:00:00.000Z'),    end: new Date('2019-03-18T09:00:00.000Z'),    progress: 80,  },  {    id: 9,    parentId: 8,    title: 'Conduct needs analysis',    start: new Date('2019-02-26T10:00:00.000Z'),    end: new Date('2019-03-05T09:00:00.000Z'),    progress: 100,  },  {    id: 10,    parentId: 8,    title: 'Draft preliminary software specifications',    start: new Date('2019-03-05T10:00:00.000Z'),    end: new Date('2019-03-08T09:00:00.000Z'),    progress: 100,  },  {    id: 11,    parentId: 8,    title: 'Develop preliminary budget',    start: new Date('2019-03-08T10:00:00.000Z'),    end: new Date('2019-03-12T09:00:00.000Z'),    progress: 100,  },  {    id: 12,    parentId: 8,    title: 'Review software specifications/budget with team',    start: new Date('2019-03-12T10:00:00.000Z'),    end: new Date('2019-03-12T14:00:00.000Z'),    progress: 100,  },  {    id: 13,    parentId: 8,    title: 'Incorporate feedback on software specifications',    start: new Date('2019-03-13T05:00:00.000Z'),    end: new Date('2019-03-13T14:00:00.000Z'),    progress: 70,  },  {    id: 14,    parentId: 8,    title: 'Develop delivery timeline',    start: new Date('2019-03-14T05:00:00.000Z'),    end: new Date('2019-03-14T14:00:00.000Z'),    progress: 0,  },  {    id: 15,    parentId: 8,    title: 'Obtain approvals to proceed (concept, timeline, budget)',    start: new Date('2019-03-15T05:00:00.000Z'),    end: new Date('2019-03-15T09:00:00.000Z'),    progress: 0,  },  {    id: 16,    parentId: 8,    title: 'Secure required resources',    start: new Date('2019-03-15T10:00:00.000Z'),    end: new Date('2019-03-18T09:00:00.000Z'),    progress: 0,  },  {    id: 17,    parentId: 8,    title: 'Analysis complete',    start: new Date('2019-03-18T09:00:00.000Z'),    end: new Date('2019-03-18T09:00:00.000Z'),    progress: 0,  },  {    id: 18,    parentId: 1,    title: 'Design',    start: new Date('2019-03-18T10:00:00.000Z'),    end: new Date('2019-04-05T14:00:00.000Z'),    progress: 80,  },  {    id: 19,    parentId: 18,    title: 'Review preliminary software specifications',    start: new Date('2019-03-18T10:00:00.000Z'),    end: new Date('2019-03-20T09:00:00.000Z'),    progress: 100,  },  {    id: 20,    parentId: 18,    title: 'Develop functional specifications',    start: new Date('2019-03-20T10:00:00.000Z'),    end: new Date('2019-03-27T09:00:00.000Z'),    progress: 100,  },  {    id: 21,    parentId: 18,    title: 'Develop prototype based on functional specifications',    start: new Date('2019-03-27T10:00:00.000Z'),    end: new Date('2019-04-02T09:00:00.000Z'),    progress: 100,  },  {    id: 22,    parentId: 18,    title: 'Review functional specifications',    start: new Date('2019-04-02T10:00:00.000Z'),    end: new Date('2019-04-04T09:00:00.000Z'),    progress: 30,  },  {    id: 23,    parentId: 18,    title: 'Incorporate feedback into functional specifications',    start: new Date('2019-04-04T10:00:00.000Z'),    end: new Date('2019-04-05T09:00:00.000Z'),    progress: 0,  },  {    id: 24,    parentId: 18,    title: 'Obtain approval to proceed',    start: new Date('2019-04-05T10:00:00.000Z'),    end: new Date('2019-04-05T14:00:00.000Z'),    progress: 0,  },  {    id: 25,    parentId: 18,    title: 'Design complete',    start: new Date('2019-04-05T14:00:00.000Z'),    end: new Date('2019-04-05T14:00:00.000Z'),    progress: 0,  },  {    id: 26,    parentId: 1,    title: 'Development',    start: new Date('2019-04-08T05:00:00.000Z'),    end: new Date('2019-05-07T12:00:00.000Z'),    progress: 42,  },  {    id: 27,    parentId: 26,    title: 'Review functional specifications',    start: new Date('2019-04-08T05:00:00.000Z'),    end: new Date('2019-04-08T14:00:00.000Z'),    progress: 100,  },  {    id: 28,    parentId: 26,    title: 'Identify modular/tiered design parameters',    start: new Date('2019-04-09T05:00:00.000Z'),    end: new Date('2019-04-09T14:00:00.000Z'),    progress: 100,  },  {    id: 29,    parentId: 26,    title: 'Assign development staff',    start: new Date('2019-04-10T05:00:00.000Z'),    end: new Date('2019-04-10T14:00:00.000Z'),    progress: 100,  },  {    id: 30,    parentId: 26,    title: 'Develop code',    start: new Date('2019-04-11T05:00:00.000Z'),    end: new Date('2019-05-01T14:00:00.000Z'),    progress: 49,  },  {    id: 31,    parentId: 26,    title: 'Developer testing (primary debugging)',    start: new Date('2019-04-16T12:00:00.000Z'),    end: new Date('2019-05-07T12:00:00.000Z'),    progress: 24,  },  {    id: 32,    parentId: 26,    title: 'Development complete',    start: new Date('2019-05-07T12:00:00.000Z'),    end: new Date('2019-05-07T12:00:00.000Z'),    progress: 0,  },  {    id: 33,    parentId: 1,    title: 'Testing',    start: new Date('2019-04-08T05:00:00.000Z'),    end: new Date('2019-06-13T12:00:00.000Z'),    progress: 23,  },  {    id: 34,    parentId: 33,    title: 'Develop unit test plans using product specifications',    start: new Date('2019-04-08T05:00:00.000Z'),    end: new Date('2019-04-11T14:00:00.000Z'),    progress: 100,  },  {    id: 35,    parentId: 33,    title: 'Develop integration test plans using product specifications',    start: new Date('2019-04-08T05:00:00.000Z'),    end: new Date('2019-04-11T14:00:00.000Z'),    progress: 100,  },  {    id: 36,    parentId: 33,    title: 'Unit Testing',    start: new Date('2019-05-07T12:00:00.000Z'),    end: new Date('2019-05-28T12:00:00.000Z'),    progress: 0,  },  {    id: 37,    parentId: 36,    title: 'Review modular code',    start: new Date('2019-05-07T12:00:00.000Z'),    end: new Date('2019-05-14T12:00:00.000Z'),    progress: 0,  },  {    id: 38,    parentId: 36,    title: 'Test component modules to product specifications',    start: new Date('2019-05-14T12:00:00.000Z'),    end: new Date('2019-05-16T12:00:00.000Z'),    progress: 0,  },  {    id: 39,    parentId: 36,    title: 'Identify anomalies to product specifications',    start: new Date('2019-05-16T12:00:00.000Z'),    end: new Date('2019-05-21T12:00:00.000Z'),    progress: 0,  },  {    id: 40,    parentId: 36,    title: 'Modify code',    start: new Date('2019-05-21T12:00:00.000Z'),    end: new Date('2019-05-24T12:00:00.000Z'),    progress: 0,  },  {    id: 41,    parentId: 36,    title: 'Re-test modified code',    start: new Date('2019-05-24T12:00:00.000Z'),    end: new Date('2019-05-28T12:00:00.000Z'),    progress: 0,  },  {    id: 42,    parentId: 36,    title: 'Unit testing complete',    start: new Date('2019-05-28T12:00:00.000Z'),    end: new Date('2019-05-28T12:00:00.000Z'),    progress: 0,  },  {    id: 43,    parentId: 33,    title: 'Integration Testing',    start: new Date('2019-05-28T12:00:00.000Z'),    end: new Date('2019-06-13T12:00:00.000Z'),    progress: 0,  },  {    id: 44,    parentId: 43,    title: 'Test module integration',    start: new Date('2019-05-28T12:00:00.000Z'),    end: new Date('2019-06-04T12:00:00.000Z'),    progress: 0,  },  {    id: 45,    parentId: 43,    title: 'Identify anomalies to specifications',    start: new Date('2019-06-04T12:00:00.000Z'),    end: new Date('2019-06-06T12:00:00.000Z'),    progress: 0,  },  {    id: 46,    parentId: 43,    title: 'Modify code',    start: new Date('2019-06-06T12:00:00.000Z'),    end: new Date('2019-06-11T12:00:00.000Z'),    progress: 0,  },  {    id: 47,    parentId: 43,    title: 'Re-test modified code',    start: new Date('2019-06-11T12:00:00.000Z'),    end: new Date('2019-06-13T12:00:00.000Z'),    progress: 0,  },  {    id: 48,    parentId: 43,    title: 'Integration testing complete',    start: new Date('2019-06-13T12:00:00.000Z'),    end: new Date('2019-06-13T12:00:00.000Z'),    progress: 0,  },  {    id: 49,    parentId: 1,    title: 'Training',    start: new Date('2019-04-08T05:00:00.000Z'),    end: new Date('2019-06-10T12:00:00.000Z'),    progress: 25,  },  {    id: 50,    parentId: 49,    title: 'Develop training specifications for end users',    start: new Date('2019-04-08T05:00:00.000Z'),    end: new Date('2019-04-10T14:00:00.000Z'),    progress: 100,  },  {    id: 51,    parentId: 49,    title: 'Develop training specifications for helpdesk support staff',    start: new Date('2019-04-08T05:00:00.000Z'),    end: new Date('2019-04-10T14:00:00.000Z'),    progress: 100,  },  {    id: 52,    parentId: 49,    title: 'Identify training delivery methodology (computer based training, classroom, etc.)',    start: new Date('2019-04-08T05:00:00.000Z'),    end: new Date('2019-04-09T14:00:00.000Z'),    progress: 100,  },  {    id: 53,    parentId: 49,    title: 'Develop training materials',    start: new Date('2019-05-07T12:00:00.000Z'),    end: new Date('2019-05-28T12:00:00.000Z'),    progress: 0,  },  {    id: 54,    parentId: 49,    title: 'Conduct training usability study',    start: new Date('2019-05-28T12:00:00.000Z'),    end: new Date('2019-06-03T12:00:00.000Z'),    progress: 0,  },  {    id: 55,    parentId: 49,    title: 'Finalize training materials',    start: new Date('2019-06-03T12:00:00.000Z'),    end: new Date('2019-06-06T12:00:00.000Z'),    progress: 0,  },  {    id: 56,    parentId: 49,    title: 'Develop training delivery mechanism',    start: new Date('2019-06-06T12:00:00.000Z'),    end: new Date('2019-06-10T12:00:00.000Z'),    progress: 0,  },  {    id: 57,    parentId: 49,    title: 'Training materials complete',    start: new Date('2019-06-10T12:00:00.000Z'),    end: new Date('2019-06-10T12:00:00.000Z'),    progress: 0,  },  {    id: 58,    parentId: 1,    title: 'Documentation',    start: new Date('2019-04-08T05:00:00.000Z'),    end: new Date('2019-05-20T09:00:00.000Z'),    progress: 0,  },  {    id: 59,    parentId: 58,    title: 'Develop Help specification',    start: new Date('2019-04-08T05:00:00.000Z'),    end: new Date('2019-04-08T14:00:00.000Z'),    progress: 80,  },  {    id: 60,    parentId: 58,    title: 'Develop Help system',    start: new Date('2019-04-22T10:00:00.000Z'),    end: new Date('2019-05-13T09:00:00.000Z'),    progress: 0,  },  {    id: 61,    parentId: 58,    title: 'Review Help documentation',    start: new Date('2019-05-13T10:00:00.000Z'),    end: new Date('2019-05-16T09:00:00.000Z'),    progress: 0,  },  {    id: 62,    parentId: 58,    title: 'Incorporate Help documentation feedback',    start: new Date('2019-05-16T10:00:00.000Z'),    end: new Date('2019-05-20T09:00:00.000Z'),    progress: 0,  },  {    id: 63,    parentId: 58,    title: 'Develop user manuals specifications',    start: new Date('2019-04-08T05:00:00.000Z'),    end: new Date('2019-04-09T14:00:00.000Z'),    progress: 65,  },  {    id: 64,    parentId: 58,    title: 'Develop user manuals',    start: new Date('2019-04-22T10:00:00.000Z'),    end: new Date('2019-05-13T09:00:00.000Z'),    progress: 0,  },  {    id: 65,    parentId: 58,    title: 'Review all user documentation',    start: new Date('2019-05-13T10:00:00.000Z'),    end: new Date('2019-05-15T09:00:00.000Z'),    progress: 0,  },  {    id: 66,    parentId: 58,    title: 'Incorporate user documentation feedback',    start: new Date('2019-05-15T10:00:00.000Z'),    end: new Date('2019-05-17T09:00:00.000Z'),    progress: 0,  },  {    id: 67,    parentId: 58,    title: 'Documentation complete',    start: new Date('2019-05-20T09:00:00.000Z'),    end: new Date('2019-05-20T09:00:00.000Z'),    progress: 0,  },  {    id: 68,    parentId: 1,    title: 'Pilot',    start: new Date('2019-03-18T10:00:00.000Z'),    end: new Date('2019-06-24T12:00:00.000Z'),    progress: 22,  },  {    id: 69,    parentId: 68,    title: 'Identify test group',    start: new Date('2019-03-18T10:00:00.000Z'),    end: new Date('2019-03-19T09:00:00.000Z'),    progress: 100,  },  {    id: 70,    parentId: 68,    title: 'Develop software delivery mechanism',    start: new Date('2019-03-19T10:00:00.000Z'),    end: new Date('2019-03-20T09:00:00.000Z'),    progress: 100,  },  {    id: 71,    parentId: 68,    title: 'Install/deploy software',    start: new Date('2019-06-13T12:00:00.000Z'),    end: new Date('2019-06-14T12:00:00.000Z'),    progress: 0,  },  {    id: 72,    parentId: 68,    title: 'Obtain user feedback',    start: new Date('2019-06-14T12:00:00.000Z'),    end: new Date('2019-06-21T12:00:00.000Z'),    progress: 0,  },  {    id: 73,    parentId: 68,    title: 'Evaluate testing information',    start: new Date('2019-06-21T12:00:00.000Z'),    end: new Date('2019-06-24T12:00:00.000Z'),    progress: 0,  },  {    id: 74,    parentId: 68,    title: 'Pilot complete',    start: new Date('2019-06-24T12:00:00.000Z'),    end: new Date('2019-06-24T12:00:00.000Z'),    progress: 0,  },  {    id: 75,    parentId: 1,    title: 'Deployment',    start: new Date('2019-06-24T12:00:00.000Z'),    end: new Date('2019-07-01T12:00:00.000Z'),    progress: 0,  },  {    id: 76,    parentId: 75,    title: 'Determine final deployment strategy',    start: new Date('2019-06-24T12:00:00.000Z'),    end: new Date('2019-06-25T12:00:00.000Z'),    progress: 0,  },  {    id: 77,    parentId: 75,    title: 'Develop deployment methodology',    start: new Date('2019-06-25T12:00:00.000Z'),    end: new Date('2019-06-26T12:00:00.000Z'),    progress: 0,  },  {    id: 78,    parentId: 75,    title: 'Secure deployment resources',    start: new Date('2019-06-26T12:00:00.000Z'),    end: new Date('2019-06-27T12:00:00.000Z'),    progress: 0,  },  {    id: 79,    parentId: 75,    title: 'Train support staff',    start: new Date('2019-06-27T12:00:00.000Z'),    end: new Date('2019-06-28T12:00:00.000Z'),    progress: 0,  },  {    id: 80,    parentId: 75,    title: 'Deploy software',    start: new Date('2019-06-28T12:00:00.000Z'),    end: new Date('2019-07-01T12:00:00.000Z'),    progress: 0,  },  {    id: 81,    parentId: 75,    title: 'Deployment complete',    start: new Date('2019-07-01T12:00:00.000Z'),    end: new Date('2019-07-01T12:00:00.000Z'),    progress: 0,  },  {    id: 82,    parentId: 1,    title: 'Post Implementation Review',    start: new Date('2019-07-01T12:00:00.000Z'),    end: new Date('2019-07-04T12:00:00.000Z'),    progress: 0,  },  {    id: 83,    parentId: 82,    title: 'Document lessons learned',    start: new Date('2019-07-01T12:00:00.000Z'),    end: new Date('2019-07-02T12:00:00.000Z'),    progress: 0,  },  {    id: 84,    parentId: 82,    title: 'Distribute to team members',    start: new Date('2019-07-02T12:00:00.000Z'),    end: new Date('2019-07-03T12:00:00.000Z'),    progress: 0,  },  {    id: 85,    parentId: 82,    title: 'Create software maintenance team',    start: new Date('2019-07-03T12:00:00.000Z'),    end: new Date('2019-07-04T12:00:00.000Z'),    progress: 0,  },  {    id: 86,    parentId: 82,    title: 'Post implementation review complete',    start: new Date('2019-07-04T12:00:00.000Z'),    end: new Date('2019-07-04T12:00:00.000Z'),    progress: 0,  },  {    id: 87,    parentId: 1,    title: 'Software development template complete',    start: new Date('2019-07-04T12:00:00.000Z'),    end: new Date('2019-07-04T12:00:00.000Z'),    progress: 0,  },];export const dependencies = [  {    id: 1,    predecessorId: 3,    successorId: 4,    type: 0,  },  {    id: 2,    predecessorId: 4,    successorId: 5,    type: 0,  },  {    id: 3,    predecessorId: 5,    successorId: 6,    type: 0,  },  {    id: 4,    predecessorId: 6,    successorId: 7,    type: 0,  },  {    id: 5,    predecessorId: 7,    successorId: 9,    type: 0,  },  {    id: 6,    predecessorId: 9,    successorId: 10,    type: 0,  },  {    id: 7,    predecessorId: 10,    successorId: 11,    type: 0,  },  {    id: 8,    predecessorId: 11,    successorId: 12,    type: 0,  },  {    id: 9,    predecessorId: 12,    successorId: 13,    type: 0,  },  {    id: 10,    predecessorId: 13,    successorId: 14,    type: 0,  },  {    id: 11,    predecessorId: 14,    successorId: 15,    type: 0,  },  {    id: 12,    predecessorId: 15,    successorId: 16,    type: 0,  },  {    id: 13,    predecessorId: 16,    successorId: 17,    type: 0,  },  {    id: 14,    predecessorId: 17,    successorId: 19,    type: 0,  },  {    id: 15,    predecessorId: 19,    successorId: 20,    type: 0,  },  {    id: 16,    predecessorId: 20,    successorId: 21,    type: 0,  },  {    id: 17,    predecessorId: 21,    successorId: 22,    type: 0,  },  {    id: 18,    predecessorId: 22,    successorId: 23,    type: 0,  },  {    id: 19,    predecessorId: 23,    successorId: 24,    type: 0,  },  {    id: 20,    predecessorId: 24,    successorId: 25,    type: 0,  },  {    id: 21,    predecessorId: 25,    successorId: 27,    type: 0,  },  {    id: 22,    predecessorId: 27,    successorId: 28,    type: 0,  },  {    id: 23,    predecessorId: 28,    successorId: 29,    type: 0,  },  {    id: 24,    predecessorId: 29,    successorId: 30,    type: 0,  },  {    id: 25,    predecessorId: 31,    successorId: 32,    type: 0,  },  {    id: 26,    predecessorId: 37,    successorId: 38,    type: 0,  },  {    id: 27,    predecessorId: 38,    successorId: 39,    type: 0,  },  {    id: 28,    predecessorId: 39,    successorId: 40,    type: 0,  },  {    id: 29,    predecessorId: 40,    successorId: 41,    type: 0,  },  {    id: 30,    predecessorId: 41,    successorId: 42,    type: 0,  },  {    id: 31,    predecessorId: 42,    successorId: 44,    type: 0,  },  {    id: 32,    predecessorId: 44,    successorId: 45,    type: 0,  },  {    id: 33,    predecessorId: 45,    successorId: 46,    type: 0,  },  {    id: 34,    predecessorId: 46,    successorId: 47,    type: 0,  },  {    id: 35,    predecessorId: 47,    successorId: 48,    type: 0,  },  {    id: 36,    predecessorId: 53,    successorId: 54,    type: 0,  },  {    id: 37,    predecessorId: 54,    successorId: 55,    type: 0,  },  {    id: 38,    predecessorId: 55,    successorId: 56,    type: 0,  },  {    id: 39,    predecessorId: 56,    successorId: 57,    type: 0,  },  {    id: 40,    predecessorId: 59,    successorId: 60,    type: 0,  },  {    id: 41,    predecessorId: 60,    successorId: 61,    type: 0,  },  {    id: 42,    predecessorId: 61,    successorId: 62,    type: 0,  },  {    id: 43,    predecessorId: 63,    successorId: 64,    type: 0,  },  {    id: 44,    predecessorId: 64,    successorId: 65,    type: 0,  },  {    id: 45,    predecessorId: 65,    successorId: 66,    type: 0,  },  {    id: 46,    predecessorId: 66,    successorId: 67,    type: 0,  },  {    id: 47,    predecessorId: 69,    successorId: 70,    type: 0,  },  {    id: 48,    predecessorId: 70,    successorId: 71,    type: 0,  },  {    id: 49,    predecessorId: 71,    successorId: 72,    type: 0,  },  {    id: 50,    predecessorId: 72,    successorId: 73,    type: 0,  },  {    id: 51,    predecessorId: 73,    successorId: 74,    type: 0,  },  {    id: 52,    predecessorId: 74,    successorId: 76,    type: 0,  },  {    id: 53,    predecessorId: 76,    successorId: 77,    type: 0,  },  {    id: 54,    predecessorId: 77,    successorId: 78,    type: 0,  },  {    id: 55,    predecessorId: 78,    successorId: 79,    type: 0,  },  {    id: 56,    predecessorId: 79,    successorId: 80,    type: 0,  },  {    id: 57,    predecessorId: 80,    successorId: 81,    type: 0,  },  {    id: 58,    predecessorId: 81,    successorId: 83,    type: 0,  },  {    id: 59,    predecessorId: 83,    successorId: 84,    type: 0,  },  {    id: 60,    predecessorId: 84,    successorId: 85,    type: 0,  },  {    id: 61,    predecessorId: 85,    successorId: 86,    type: 0,  },  {    id: 62,    predecessorId: 86,    successorId: 87,    type: 0,  },];export const resources = [  {    id: 1,    text: 'Management',  },  {    id: 2,    text: 'Project Manager',  },  {    id: 3,    text: 'Analyst',  },  {    id: 4,    text: 'Developer',  },  {    id: 5,    text: 'Testers',  },  {    id: 6,    text: 'Trainers',  },  {    id: 7,    text: 'Technical Communicators',  },  {    id: 8,    text: 'Deployment Team',  },];export const resourceAssignments = [  {    id: 0,    taskId: 3,    resourceId: 1,  },  {    id: 1,    taskId: 4,    resourceId: 1,  },  {    id: 2,    taskId: 5,    resourceId: 2,  },  {    id: 3,    taskId: 6,    resourceId: 2,  },  {    id: 4,    taskId: 9,    resourceId: 3,  },  {    id: 5,    taskId: 10,    resourceId: 3,  },  {    id: 6,    taskId: 11,    resourceId: 2,  },  {    id: 7,    taskId: 12,    resourceId: 2,  },  {    id: 8,    taskId: 12,    resourceId: 3,  },  {    id: 9,    taskId: 13,    resourceId: 3,  },  {    id: 10,    taskId: 14,    resourceId: 2,  },  {    id: 11,    taskId: 15,    resourceId: 1,  },  {    id: 12,    taskId: 15,    resourceId: 2,  },  {    id: 13,    taskId: 16,    resourceId: 2,  },  {    id: 14,    taskId: 19,    resourceId: 3,  },  {    id: 15,    taskId: 20,    resourceId: 3,  },  {    id: 16,    taskId: 21,    resourceId: 3,  },  {    id: 17,    taskId: 22,    resourceId: 1,  },  {    id: 18,    taskId: 23,    resourceId: 1,  },  {    id: 19,    taskId: 24,    resourceId: 1,  },  {    id: 20,    taskId: 24,    resourceId: 2,  },  {    id: 21,    taskId: 27,    resourceId: 4,  },  {    id: 22,    taskId: 28,    resourceId: 4,  },  {    id: 23,    taskId: 29,    resourceId: 4,  },  {    id: 24,    taskId: 30,    resourceId: 4,  },  {    id: 25,    taskId: 31,    resourceId: 4,  },  {    id: 26,    taskId: 34,    resourceId: 5,  },  {    id: 27,    taskId: 35,    resourceId: 5,  },  {    id: 28,    taskId: 37,    resourceId: 5,  },  {    id: 29,    taskId: 38,    resourceId: 5,  },  {    id: 30,    taskId: 39,    resourceId: 5,  },  {    id: 31,    taskId: 40,    resourceId: 5,  },  {    id: 32,    taskId: 41,    resourceId: 5,  },  {    id: 33,    taskId: 44,    resourceId: 5,  },  {    id: 34,    taskId: 45,    resourceId: 5,  },  {    id: 35,    taskId: 46,    resourceId: 5,  },  {    id: 36,    taskId: 47,    resourceId: 5,  },  {    id: 37,    taskId: 50,    resourceId: 6,  },  {    id: 38,    taskId: 51,    resourceId: 6,  },  {    id: 39,    taskId: 52,    resourceId: 6,  },  {    id: 40,    taskId: 53,    resourceId: 6,  },  {    id: 41,    taskId: 54,    resourceId: 6,  },  {    id: 42,    taskId: 55,    resourceId: 6,  },  {    id: 43,    taskId: 56,    resourceId: 6,  },  {    id: 44,    taskId: 59,    resourceId: 7,  },  {    id: 45,    taskId: 60,    resourceId: 7,  },  {    id: 46,    taskId: 61,    resourceId: 7,  },  {    id: 47,    taskId: 62,    resourceId: 7,  },  {    id: 48,    taskId: 63,    resourceId: 7,  },  {    id: 49,    taskId: 64,    resourceId: 7,  },  {    id: 50,    taskId: 65,    resourceId: 7,  },  {    id: 51,    taskId: 66,    resourceId: 7,  },  {    id: 52,    taskId: 69,    resourceId: 2,  },  {    id: 53,    taskId: 71,    resourceId: 8,  },  {    id: 54,    taskId: 72,    resourceId: 8,  },  {    id: 55,    taskId: 73,    resourceId: 8,  },  {    id: 56,    taskId: 76,    resourceId: 8,  },  {    id: 57,    taskId: 77,    resourceId: 8,  },  {    id: 58,    taskId: 78,    resourceId: 8,  },  {    id: 59,    taskId: 79,    resourceId: 8,  },  {    id: 60,    taskId: 80,    resourceId: 8,  },  {    id: 61,    taskId: 83,    resourceId: 2,  },  {    id: 62,    taskId: 84,    resourceId: 2,  },  {    id: 63,    taskId: 85,    resourceId: 2,  },];​

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<!DOCTYPE html>
<html lang="en">  <head>↔</head>​  <body class="dx-viewport">    <div class="demo-container">      <div id="app"></div>    </div>  </body></html>​

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#gantt {
  height: 700px;}​