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Getting Started with Vue 3 in Vue TreeGrid component

24 May 2022 / 15 minutes to read

This section explains how to use Tree Grid component in Vue 3 application.

Prerequisites

  • vue : 3+
  • node : 10.15+
  • vue-class-component : 8.0.0-rc.1

Creating Vue application using Vue CLI

The easiest way to create a Vue application is to use the Vue CLI. Vue CLI versions above 4.5.0 are mandatory for creating applications using Vue 3. Use the following command to uninstall older versions of the Vue CLI.

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npm uninstall vue-cli -g

Use the following commands to install the latest version of Vue CLI.

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npm install -g @vue/cli
npm install -g @vue/cli-init

Create a new project using the command below.

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vue create quickstart

Initiating a new project prompts us to choose the type of project to be used for the current application. Select the option Default (Vue 3) from the menu.

Reference

Adding Syncfusion Tree Grid package in the application

Syncfusion Vue packages are maintained in the npmjs.com registry.

To install Tree Grid component, use the following command

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npm install @syncfusion/ej2-vue-treegrid --save

The —save will instruct NPM to include the Tree Grid package inside of the dependencies section of the package.json.

Adding CSS reference for Syncfusion Vue Tree Grid component

The Tree Grid has different themes. They are:

  • Material
  • Fabric
  • Bootstrap
  • High Contrast

Import the needed css styles for the Tree Grid component along with dependency styles in the <style> section of the src/App.vue file as follows.

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<style>
<!-- Material theme used for this sample -->
@import "../node_modules/@syncfusion/ej2-base/styles/material.css";
@import "../node_modules/@syncfusion/ej2-buttons/styles/material.css";
@import "../node_modules/@syncfusion/ej2-calendars/styles/material.css";
@import "../node_modules/@syncfusion/ej2-dropdowns/styles/material.css";
@import "../node_modules/@syncfusion/ej2-inputs/styles/material.css";
@import "../node_modules/@syncfusion/ej2-navigations/styles/material.css";
@import "../node_modules/@syncfusion/ej2-popups/styles/material.css";
@import "../node_modules/@syncfusion/ej2-splitbuttons/styles/material.css";
@import "../node_modules/@syncfusion/ej2-vue-grids/styles/material.css";
@import "../node_modules/@syncfusion/ej2-vue-treegrid/styles/material.css";
</style>

Note: Tree Grid component use other Syncfusion components too, the dependent component’s CSS references need to be added for using all the Tree Grid functionalities.

Adding Syncfusion Vue Tree Grid component in the application

You have completed all the necessary configurations needed for rendering the Syncfusion Vue component. Now, you are going to add the Tree Grid component using following steps.

  1. Import the Tree Grid component in the <script> section of the src/App.vue file.
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   <script>
   import { TreeGridComponent, ColumnsDirective, ColumnDirective } from '@syncfusion/ej2-vue-treegrid';
   </script>

  1. Register the Tree Grid component along with the required child directives which are used in this example. Find the list of child directives and the tag names that can be used in the Tree Grid component in the following table.

    Directive Name Tag Name
    ColumnsDirective e-columns
    ColumnDirective e-column
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   import { TreeGridComponent, ColumnsDirective, ColumnDirective } from '@syncfusion/ej2-vue-treegrid';
 //Component registeration
   export default {
   name: "App",
   components: {
     'ejs-treegrid' : TreeGridComponent,
     'e-columns' : ColumnsDirective,
     'e-column' : ColumnDirective
    }
   }

In the above code snippet, you have registered Tree Grid and the column directives. Column directives are used to define the column definition for the Tree Grid component.

  1. Add the Vue Tree Grid by using <ejs-treegrid> selector in <template> section.
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   <template>
   <ejs-treegrid :dataSource='data' :treeColumnIndex='1' childMapping='subtasks'>
       <e-columns>
           <e-column field='taskID' headerText='Task ID' textAlign='Right' width=70></e-column>
           <e-column field='taskName' headerText='Task Name' textAlign='Left' width=200></e-column>
           <e-column field='startDate' headerText='Start Date' textAlign='Right' format='yMd' width=90></e-column>
           <e-column field='duration' headerText='Duration' textAlign='Right' width=80></e-column>
      </e-columns>
   </ejs-treegrid>
   </template>

In the above code example for Tree Grid component definition, with dataSource property binding and columns definitions. In the dataSource property binding, we represent the hierarchical data binding in which chilMapping property denotes the hierarchy relationship; whereas in self-referencing data binding idMapping and parentIdMapping denotes the hierarchy relationship.

  1. Declare the bound properties in the script section. Declare the collection data which is bound for the dataSource property.
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   data() {
 return {
   data:  [{
        taskID: 1,
        taskName: 'Planning', startDate: new Date('02/03/2017'), endDate: new Date('02/07/2017'),      progress: 100, duration: 5, priority: 'Normal', approved: false,
        subtasks: [
            { taskID: 2, taskName: 'Plan timeline', startDate: new Date('02/03/2017'), endDate: new Date('02/07/2017'), duration: 5, progress: 100, priority: 'Normal', approved: false },
            { taskID: 3, taskName: 'Plan budget', startDate: new Date('02/03/2017'), endDate: new Date('02/07/2017'), duration: 5, progress: 100, approved: true },
            { taskID: 4, taskName: 'Allocate resources', startDate: new Date('02/03/2017'), endDate: new Date('02/07/2017'), duration: 5, progress: 100, priority: 'Critical', approved: false },
            { taskID: 5, taskName: 'Planning complete', startDate: new Date('02/07/2017'), endDate: new Date('02/07/2017'), duration: 0, progress: 0, priority: 'Low', approved: true }
        ]
    },
    {
        taskID: 6, taskName: 'Design', startDate: new Date('02/10/2017'), endDate: new Date('02/14/2017'), duration: 3, progress: 86, priority: 'High', approved: false,
        subtasks: [
            { taskID: 7, taskName: 'Software Specification', startDate: new Date('02/10/2017'), endDate: new Date('02/12/2017'), duration: 3, progress: 60, priority: 'Normal', approved: false },
            { taskID: 8, taskName: 'Develop prototype', startDate: new Date('02/10/2017'), endDate: new Date('02/12/2017'), duration: 3, progress: 100, priority: 'Critical', approved: false },
            { taskID: 9, taskName: 'Get approval from customer', startDate: new Date('02/13/2017'), endDate: new Date('02/14/2017'), duration: 2, progress: 100, approved: true },
            { taskID: 10, taskName: 'Design Documentation', startDate: new Date('02/13/2017'), endDate: new Date('02/14/2017'), duration: 2, progress: 100, approved: true },
            { taskID: 11, taskName: 'Design complete', startDate: new Date('02/14/2017'), endDate: new Date('02/14/2017'), duration: 0, progress: 0, priority: 'Normal', approved: true }
        ]
    }]
 };
   }
  1. To create Tree Grid with additional features, inject the required modules. The following modules are used to extend Tree Grid’s basic functionality.
  2. Page- Inject this module to use paging feature.
  3. Sort - Inject this module to use sorting feature.
  4. Filter - Inject this module to use filtering feature.
  5. ExcelExport - Inject this module to use Excel export feature.

  6. PdfExport - Inject this module to use PDF export feature.

    Register the required array of modules under the key treegrid in the provide section.

    Additional feature modules are available here

Enable Paging

The paging feature enables users to view the Tree Grid record in a paged view. It can be enabled by setting the allowPaging property to true. Also, need to inject the Page module in the provide section as follows. If the Page module is not injected, the pager will not be rendered in the Tree Grid. The pager can be customized using the pageSettings property.

In root-level paging mode, paging is based on the root-level rows only i.e., it ignores the child rows count and it can be enabled by using the pageSettings.pageSizeMode property.

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<template>
<ejs-treegrid :dataSource='data' :treeColumnIndex='1' childMapping='subtasks' :allowPaging="true" :pageSettings='pageSettings'>
    <e-columns>
        <e-column field='taskID' headerText='Task ID' textAlign='Right' width=70></e-column>
        <e-column field='taskName' headerText='Task Name' textAlign='Left' width=200></e-column>
        <e-column field='startDate' headerText='Start Date' textAlign='Right' format='yMd' width=90></e-column>
        <e-column field='duration' headerText='Duration' textAlign='Right' width=80></e-column>
    </e-columns>
</ejs-treegrid>
</template>
<script>
import { TreeGridComponent, ColumnsDirective, ColumnDirective, Page } from '@syncfusion/ej2-vue-treegrid';

let dataSource = [{
        taskID: 1, taskName: 'Planning', startDate: new Date('02/03/2017'), endDate: new Date('02/07/2017'), progress: 100, duration: 5, priority: 'Normal', approved: false,
        subtasks: [
            { taskID: 2, taskName: 'Plan timeline', startDate: new Date('02/03/2017'), endDate: new Date('02/07/2017'), duration: 5, progress: 100, priority: 'Normal', approved: false },
            { taskID: 3, taskName: 'Plan budget', startDate: new Date('02/03/2017'), endDate: new Date('02/07/2017'), duration: 5, progress: 100, approved: true },
            { taskID: 4, taskName: 'Allocate resources', startDate: new Date('02/03/2017'), endDate: new Date('02/07/2017'), duration: 5, progress: 100, priority: 'Critical', approved: false },
            { taskID: 5, taskName: 'Planning complete', startDate: new Date('02/07/2017'), endDate: new Date('02/07/2017'), duration: 0, progress: 0, priority: 'Low', approved: true }
        ]
    },
    {
        taskID: 6, taskName: 'Design', startDate: new Date('02/10/2017'), endDate: new Date('02/14/2017'), duration: 3, progress: 86, priority: 'High', approved: false,
        subtasks: [
            { taskID: 7, taskName: 'Software Specification', startDate: new Date('02/10/2017'), endDate: new Date('02/12/2017'), duration: 3, progress: 60, priority: 'Normal', approved: false },
            { taskID: 8, taskName: 'Develop prototype', startDate: new Date('02/10/2017'), endDate: new Date('02/12/2017'), duration: 3, progress: 100, priority: 'Critical', approved: false },
            { taskID: 9, taskName: 'Get approval from customer', startDate: new Date('02/13/2017'), endDate: new Date('02/14/2017'), duration: 2, progress: 100, approved: true },
            { taskID: 10, taskName: 'Design Documentation', startDate: new Date('02/13/2017'), endDate: new Date('02/14/2017'), duration: 2, progress: 100, approved: true },
            { taskID: 11, taskName: 'Design complete', startDate: new Date('02/14/2017'), endDate: new Date('02/14/2017'), duration: 0, progress: 0, priority: 'Normal', approved: true }
        ]
    },
    {
        taskID: 12, taskName: 'Implementation Phase', startDate: new Date('02/17/2017'), endDate: new Date('02/27/2017'), priority: 'Normal', approved: false, duration: 11,
        subtasks: [
            {
                taskID: 13, taskName: 'Phase 1', startDate: new Date('02/17/2017'), endDate: new Date('02/27/2017'), priority: 'High', approved: false, duration: 11,
                subtasks: [{
                        taskID: 14, taskName: 'Implementation Module 1', startDate: new Date('02/17/2017'), endDate: new Date('02/27/2017'), priority: 'Normal', duration: 11, approved: false,
                        subtasks: [
                            { taskID: 15, taskName: 'Development Task 1', startDate: new Date('02/17/2017'), endDate: new Date('02/19/2017'), duration: 3, progress: '50', priority: 'High', approved: false },
                            { taskID: 16, taskName: 'Development Task 2', startDate: new Date('02/17/2017'), endDate: new Date('02/19/2017'), duration: 3, progress: '50', priority: 'Low', approved: true },
                            { taskID: 17, taskName: 'Testing', startDate: new Date('02/20/2017'), endDate: new Date('02/21/2017'), duration: 2, progress: '0', priority: 'Normal', approved: true },
                            { taskID: 18, taskName: 'Bug fix', startDate: new Date('02/24/2017'), endDate: new Date('02/25/2017'), duration: 2, progress: '0', priority: 'Critical', approved: false },
                            { taskID: 19, taskName: 'Customer review meeting', startDate: new Date('02/26/2017'), endDate: new Date('02/27/2017'), duration: 2, progress: '0', priority: 'High', approved: false },
                            { taskID: 20, taskName: 'Phase 1 complete', startDate: new Date('02/27/2017'), endDate: new Date('02/27/2017'), duration: 0, priority: 'Low', approved: true }
                        ]
                    }]
            }]
    }];

export default {
  name: "App",
  // Declaring component and its directives
components: {
  'ejs-treegrid' : TreeGridComponent,
  "e-columns": ColumnsDirective,
  "e-column": ColumnDirective,
},
  // Bound properties declaration
  data() {
return {
  data: dataSource,
  pageSettings: { pageSize: 7 }
};
  },
  provide: {
treegrid: [Page]
  }
};
</script>
<style>
  @import "../node_modules/@syncfusion/ej2-base/styles/material.css";
  @import "../node_modules/@syncfusion/ej2-buttons/styles/material.css";
  @import "../node_modules/@syncfusion/ej2-calendars/styles/material.css";
  @import "../node_modules/@syncfusion/ej2-dropdowns/styles/material.css";
  @import "../node_modules/@syncfusion/ej2-inputs/styles/material.css";
  @import "../node_modules/@syncfusion/ej2-navigations/styles/material.css";
  @import "../node_modules/@syncfusion/ej2-popups/styles/material.css";
  @import "../node_modules/@syncfusion/ej2-splitbuttons/styles/material.css";
  @import "../node_modules/@syncfusion/ej2-vue-grids/styles/material.css";
  @import "../node_modules/@syncfusion/ej2-vue-treegrid/styles/material.css";
</style>

Output

Enable Sorting

The sorting feature enables the user to order the records. It can be enabled by setting allowSorting property to true. Also, need to inject the Sort module in the provide section as follow. If we didn’t inject the Sort module, then user not able to sort when click on headers. Sorting feature can be customized using sortSettings property.

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<template>
<ejs-treegrid :dataSource='data' :treeColumnIndex='1' childMapping='subtasks' :allowPaging="true" :pageSettings='pageSettings' :allowSorting='true' :sortSettings='sortSettings'>
    <e-columns>
        <e-column field='taskID' headerText='Task ID' textAlign='Right' width=70></e-column>
        <e-column field='taskName' headerText='Task Name' textAlign='Left' width=200></e-column>
        <e-column field='startDate' headerText='Start Date' textAlign='Right' format='yMd' width=90></e-column>
        <e-column field='duration' headerText='Duration' textAlign='Right' width=80></e-column>
    </e-columns>
</ejs-treegrid>
</template>
<script>
import { TreeGridComponent, ColumnsDirective, ColumnDirective, Page, Sort } from '@syncfusion/ej2-vue-treegrid';

let dataSource = [{
        taskID: 1, taskName: 'Planning', startDate: new Date('02/03/2017'), endDate: new Date('02/07/2017'), progress: 100, duration: 5, priority: 'Normal', approved: false,
        subtasks: [
            { taskID: 2, taskName: 'Plan timeline', startDate: new Date('02/03/2017'), endDate: new Date('02/07/2017'), duration: 5, progress: 100, priority: 'Normal', approved: false },
            { taskID: 3, taskName: 'Plan budget', startDate: new Date('02/03/2017'), endDate: new Date('02/07/2017'), duration: 5, progress: 100, approved: true },
            { taskID: 4, taskName: 'Allocate resources', startDate: new Date('02/03/2017'), endDate: new Date('02/07/2017'), duration: 5, progress: 100, priority: 'Critical', approved: false },
            { taskID: 5, taskName: 'Planning complete', startDate: new Date('02/07/2017'), endDate: new Date('02/07/2017'), duration: 0, progress: 0, priority: 'Low', approved: true }
        ]
    },
    {
        taskID: 6, taskName: 'Design', startDate: new Date('02/10/2017'), endDate: new Date('02/14/2017'), duration: 3, progress: 86, priority: 'High', approved: false,
        subtasks: [
            { taskID: 7, taskName: 'Software Specification', startDate: new Date('02/10/2017'), endDate: new Date('02/12/2017'), duration: 3, progress: 60, priority: 'Normal', approved: false },
            { taskID: 8, taskName: 'Develop prototype', startDate: new Date('02/10/2017'), endDate: new Date('02/12/2017'), duration: 3, progress: 100, priority: 'Critical', approved: false },
            { taskID: 9, taskName: 'Get approval from customer', startDate: new Date('02/13/2017'), endDate: new Date('02/14/2017'), duration: 2, progress: 100, approved: true },
            { taskID: 10, taskName: 'Design Documentation', startDate: new Date('02/13/2017'), endDate: new Date('02/14/2017'), duration: 2, progress: 100, approved: true },
            { taskID: 11, taskName: 'Design complete', startDate: new Date('02/14/2017'), endDate: new Date('02/14/2017'), duration: 0, progress: 0, priority: 'Normal', approved: true }
        ]
    },
    {
        taskID: 12, taskName: 'Implementation Phase', startDate: new Date('02/17/2017'), endDate: new Date('02/27/2017'), priority: 'Normal', approved: false, duration: 11,
        subtasks: [
            {
                taskID: 13, taskName: 'Phase 1', startDate: new Date('02/17/2017'), endDate: new Date('02/27/2017'), priority: 'High', approved: false, duration: 11,
                subtasks: [{
                        taskID: 14, taskName: 'Implementation Module 1', startDate: new Date('02/17/2017'), endDate: new Date('02/27/2017'), priority: 'Normal', duration: 11, approved: false,
                        subtasks: [
                            { taskID: 15, taskName: 'Development Task 1', startDate: new Date('02/17/2017'), endDate: new Date('02/19/2017'), duration: 3, progress: '50', priority: 'High', approved: false },
                            { taskID: 16, taskName: 'Development Task 2', startDate: new Date('02/17/2017'), endDate: new Date('02/19/2017'), duration: 3, progress: '50', priority: 'Low', approved: true },
                            { taskID: 17, taskName: 'Testing', startDate: new Date('02/20/2017'), endDate: new Date('02/21/2017'), duration: 2, progress: '0', priority: 'Normal', approved: true },
                            { taskID: 18, taskName: 'Bug fix', startDate: new Date('02/24/2017'), endDate: new Date('02/25/2017'), duration: 2, progress: '0', priority: 'Critical', approved: false },
                            { taskID: 19, taskName: 'Customer review meeting', startDate: new Date('02/26/2017'), endDate: new Date('02/27/2017'), duration: 2, progress: '0', priority: 'High', approved: false },
                            { taskID: 20, taskName: 'Phase 1 complete', startDate: new Date('02/27/2017'), endDate: new Date('02/27/2017'), duration: 0, priority: 'Low', approved: true }
                        ]
                    }]
            }]
    }];

export default {
  name: "App",
  // Declaring component and its directives
components: {
  'ejs-treegrid' : TreeGridComponent,
  "e-columns": ColumnsDirective,
  "e-column": ColumnDirective,
},
  // Bound properties declaration
  data() {
return {
  data: dataSource,
  sortSettings: { columns: [{ field: 'taskName', direction: 'Ascending' }, { field: 'taskID', direction: 'Descending' }]  },
  pageSettings: { pageSize: 7 }
};
  },
  provide: {
treegrid: [Page, Sort]
  }
};
</script>
<style>
  @import "../node_modules/@syncfusion/ej2-base/styles/material.css";
  @import "../node_modules/@syncfusion/ej2-buttons/styles/material.css";
  @import "../node_modules/@syncfusion/ej2-calendars/styles/material.css";
  @import "../node_modules/@syncfusion/ej2-dropdowns/styles/material.css";
  @import "../node_modules/@syncfusion/ej2-inputs/styles/material.css";
  @import "../node_modules/@syncfusion/ej2-navigations/styles/material.css";
  @import "../node_modules/@syncfusion/ej2-popups/styles/material.css";
  @import "../node_modules/@syncfusion/ej2-splitbuttons/styles/material.css";
  @import "../node_modules/@syncfusion/ej2-vue-grids/styles/material.css";
  @import "../node_modules/@syncfusion/ej2-vue-treegrid/styles/material.css";
</style>

Output

Enable Filtering

The filtering feature enables you to view the reduced amount of records based on the filter criteria. It can be enabled by setting the allowFiltering property to true. Also, need to inject the Filter module in the provide section as follow. If Filter module is not injected, filter bar will not be rendered in Tree Grid. Filtering feature can be customized using the filterSettings property.

By default, filtered records are shown along with its parent records. This behavior can be changed by using the filterSettings-hierarchyMode property.

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<template>
<ejs-treegrid :dataSource='data' :treeColumnIndex='1' :allowFiltering='true'
      :sortSettings='sortSettings'
      :allowSorting='true' childMapping='subtasks' :allowPaging="true" :pageSettings='pageSettings'>
    <e-columns>
        <e-column field='taskID' headerText='Task ID' textAlign='Right' width=70></e-column>
        <e-column field='taskName' headerText='Task Name' textAlign='Left' width=200></e-column>
        <e-column field='startDate' headerText='Start Date' textAlign='Right' format='yMd' width=90></e-column>
        <e-column field='duration' headerText='Duration' textAlign='Right' width=80></e-column>
    </e-columns>
</ejs-treegrid>
</template>
<script>
import { TreeGridComponent, ColumnsDirective, ColumnDirective, Page, Sort, Filter } from '@syncfusion/ej2-vue-treegrid';

let dataSource = [{
        taskID: 1,
        taskName: 'Planning', startDate: new Date('02/03/2017'), endDate: new Date('02/07/2017'),      progress: 100, duration: 5, priority: 'Normal', approved: false,
        subtasks: [
            { taskID: 2, taskName: 'Plan timeline', startDate: new Date('02/03/2017'), endDate: new Date('02/07/2017'), duration: 5, progress: 100, priority: 'Normal', approved: false },
            { taskID: 3, taskName: 'Plan budget', startDate: new Date('02/03/2017'), endDate: new Date('02/07/2017'), duration: 5, progress: 100, approved: true },
            { taskID: 4, taskName: 'Allocate resources', startDate: new Date('02/03/2017'), endDate: new Date('02/07/2017'), duration: 5, progress: 100, priority: 'Critical', approved: false },
            { taskID: 5, taskName: 'Planning complete', startDate: new Date('02/07/2017'), endDate: new Date('02/07/2017'), duration: 0, progress: 0, priority: 'Low', approved: true }
        ]
    },
    {
        taskID: 6, taskName: 'Design', startDate: new Date('02/10/2017'), endDate: new Date('02/14/2017'), duration: 3, progress: 86, priority: 'High', approved: false,
        subtasks: [
            { taskID: 7, taskName: 'Software Specification', startDate: new Date('02/10/2017'), endDate: new Date('02/12/2017'), duration: 3, progress: 60, priority: 'Normal', approved: false },
            { taskID: 8, taskName: 'Develop prototype', startDate: new Date('02/10/2017'), endDate: new Date('02/12/2017'), duration: 3, progress: 100, priority: 'Critical', approved: false },
            { taskID: 9, taskName: 'Get approval from customer', startDate: new Date('02/13/2017'), endDate: new Date('02/14/2017'), duration: 2, progress: 100, approved: true },
            { taskID: 10, taskName: 'Design Documentation', startDate: new Date('02/13/2017'), endDate: new Date('02/14/2017'), duration: 2, progress: 100, approved: true },
            { taskID: 11, taskName: 'Design complete', startDate: new Date('02/14/2017'), endDate: new Date('02/14/2017'), duration: 0, progress: 0, priority: 'Normal', approved: true }
        ]
    },
    {
        taskID: 12, taskName: 'Implementation Phase', startDate: new Date('02/17/2017'), endDate: new Date('02/27/2017'), priority: 'Normal', approved: false, duration: 11,
        subtasks: [
            {
                taskID: 13, taskName: 'Phase 1', startDate: new Date('02/17/2017'), endDate: new Date('02/27/2017'), priority: 'High', approved: false, duration: 11,
                subtasks: [{
                        taskID: 14, taskName: 'Implementation Module 1',  startDate: new Date('02/17/2017'), endDate: new Date('02/27/2017'), priority: 'Normal', duration: 11, approved: false,
                        subtasks: [
                            { taskID: 15, taskName: 'Development Task 1', startDate: new Date('02/17/2017'), endDate: new Date('02/19/2017'), duration: 3, progress: '50', priority: 'High', approved: false },
                            { taskID: 16, taskName: 'Development Task 2', startDate: new Date('02/17/2017'), endDate: new Date('02/19/2017'), duration: 3, progress: '50', priority: 'Low', approved: true },
                            { taskID: 17, taskName: 'Testing', startDate: new Date('02/20/2017'), endDate: new Date('02/21/2017'), duration: 2, progress: '0', priority: 'Normal', approved: true },
                            { taskID: 18, taskName: 'Bug fix', startDate: new Date('02/24/2017'), endDate: new Date('02/25/2017'), duration: 2, progress: '0', priority: 'Critical', approved: false },
                            { taskID: 19, taskName: 'Customer review meeting', startDate: new Date('02/26/2017'), endDate: new Date('02/27/2017'), duration: 2, progress: '0', priority: 'High', approved: false },
                            { taskID: 20, taskName: 'Phase 1 complete', startDate: new Date('02/27/2017'), endDate: new Date('02/27/2017'), duration: 0, priority: 'Low', approved: true }
                        ]
                    }]
            }]
    }];

export default {
  name: "App",
  // Declaring component and its directives
components: {
  'ejs-treegrid' : TreeGridComponent,
  "e-columns": ColumnsDirective,
  "e-column": ColumnDirective,
},
  // Bound properties declaration
  data() {
return {
  data: dataSource,
  sortSettings: { columns: [{ field: 'taskName', direction: 'Ascending' }, { field: 'taskID', direction: 'Descending' }]  },
  pageSettings: { pageSize: 7 }
};
  },
  provide: {
treegrid: [Page, Sort, Filter]
  }
};
</script>
<style>
  @import "../node_modules/@syncfusion/ej2-base/styles/material.css";
  @import "../node_modules/@syncfusion/ej2-buttons/styles/material.css";
  @import "../node_modules/@syncfusion/ej2-calendars/styles/material.css";
  @import "../node_modules/@syncfusion/ej2-dropdowns/styles/material.css";
  @import "../node_modules/@syncfusion/ej2-inputs/styles/material.css";
  @import "../node_modules/@syncfusion/ej2-navigations/styles/material.css";
  @import "../node_modules/@syncfusion/ej2-popups/styles/material.css";
  @import "../node_modules/@syncfusion/ej2-splitbuttons/styles/material.css";
  @import "../node_modules/@syncfusion/ej2-vue-grids/styles/material.css";
  @import "../node_modules/@syncfusion/ej2-vue-treegrid/styles/material.css";
</style>

Output

Running the application

Run the application using the following command.

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npm run serve

Web server will be initiated, Open the quick start app in the browser at port localhost:8080.

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