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Maintain the state persistence in Vue QueryBuilder component

State persistence allows you to maintain the current state in the browser’s localStorage even if the browser is refreshed or if you move to the next page within the browser. State persistence stores the Query Builder’s rule object in the local storage when the enablePersistence is defined to true.

Source
Preview
app.vue
<template>
    <div class="control-section">
        <div class="col-lg-12 querybuilder-control">
            <ejs-querybuilder width="70%" :dataSource="dataSource" :rule="importRules" enablePersistence="true">
               <e-columns>
                  <e-column field="TaskID" label="Task ID" type="number"></e-column>
                  <e-column field="Name" label="Name" type="string"></e-column>
                  <e-column field="Category" label="Category" type="string"></e-column>
                  <e-column field="SerialNo" label="SerialNo" type="string"></e-column>
                  <e-column field="InvoiceNo" label="InvoiceNo" type="string"></e-column>
                  <e-column field="Status" label="Status" type="string"></e-column>
                </e-columns>
            </ejs-querybuilder>
        </div>
    </div>
</template>
<script>
import Vue from "vue";
import { QueryBuilderPlugin } from "@syncfusion/ej2-vue-querybuilder";
    Vue.use(QueryBuilderPlugin);

export default {
    data: function() {
        return {
            dataSource: hardwareData,
            importRules: {
        'condition': 'or',
        'rules': [{
            'label': 'Category',
            'field': 'Category',
            'type': 'string',
            'operator': 'equal',
            'value': 'Laptop'
        },
        {
        'condition': 'and',
            'rules': [{
                'label': 'Status',
                'field': 'Status',
                'type': 'string',
                'operator': 'notequal',
                'value': 'Pending'
            },
            {
                'label': 'Task ID',
                'field': 'TaskID',
                'type': 'number',
                'operator': 'equal',
                'value': 5675
            }]
        }]
    }
        }
    }
}
var hardwareData = [{
      'TaskID': 1,
      'Name': 'Lenovo Yoga',
      'Category': 'Laptop',
      'SerialNo': 'CB27932009',
      'InvoiceNo': 'INV-2878',
      'Status': 'Assigned'
  },
  {
      'TaskID': 2,
      'Name': 'Acer Aspire',
      'Category': 'Others',
      'SerialNo': 'CB35728290',
      'InvoiceNo': 'INV-3456',
      'Status': 'In-repair'
  },
  {
      'TaskID': 3,
      'Name': 'Apple MacBook',
      'Category': 'Laptop',
      'SerialNo': 'CB35628728',
      'InvoiceNo': 'INV-2763',
      'Status': 'In-repair'
  }];
</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-splitbuttons/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-lists/styles/material.css";
    @import "../node_modules/@syncfusion/ej2-popups/styles/material.css";
    @import "../node_modules/@syncfusion/ej2-calendars/styles/material.css";
    .e-query-builder {
        margin: 0 auto;
    }
</style>