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Check/uncheck the checkbox on clicking the tree node text in Vue TreeView component

You can check and uncheck the checkboxes of tree view by clicking the tree node using the nodeClicked event of TreeView.

Source
Preview
app.vue
<template>
  <div id="app">
    <div class="control_wrapper">
        <ejs-treeview id='treeview' :fields="fields" :showCheckBox='true' :nodeClicked='nodeChecked' :keyPress='nodeChecked'></ejs-treeview>
    </div>
  </div>
</template>
<script>
import Vue from 'vue';
import { TreeViewPlugin } from "@syncfusion/ej2-vue-navigations";

Vue.use(TreeViewPlugin);
export default {
  data () {
    var dataSource =  [
        { id: 1, name: 'Australia', hasChild: true, expanded: true },
        { id: 2, pid: 1, name: 'New South Wales', isChecked: true },
        { id: 3, pid: 1, name: 'Victoria' },
        { id: 4, pid: 1, name: 'South Australia' },
        { id: 6, pid: 1, name: 'Western Australia', isChecked: true },
        { id: 7, name: 'Brazil', hasChild: true },
        { id: 8, pid: 7, name: 'Paraná' },
        { id: 9, pid: 7, name: 'Ceará' },
        { id: 10, pid: 7, name: 'Acre' },
        { id: 11, name: 'China', hasChild: true },
        { id: 12, pid: 11, name: 'Guangzhou' },
        { id: 13, pid: 11, name: 'Shanghai' },
        { id: 14, pid: 11, name: 'Beijing' },
        { id: 15, pid: 11, name: 'Shantou' },
        { id: 16, name: 'France', hasChild: true },
        { id: 17, pid: 16, name: 'Pays de la Loire' },
        { id: 18, pid: 16, name: 'Aquitaine' },
        { id: 19, pid: 16, name: 'Brittany' },
        { id: 20, pid: 16, name: 'Lorraine' },
        { id: 21, name: 'India', hasChild: true },
        { id: 22, pid: 21, name: 'Assam' },
        { id: 23, pid: 21, name: 'Bihar' },
        { id: 24, pid: 21, name: 'Tamil Nadu' },
        { id: 25, pid: 21, name: 'Punjab' }
    ];
    return {
        fields: { dataSource: dataSource, id: 'id', parentID: 'pid', text: 'name', hasChildren: 'hasChild' },
    }
  },
  methods: {
        nodeChecked: function(args) {
           var treeObj = document.getElementById('treeview').ej2_instances[0];
           var checkedNode = [args.node];
            if (args.event.target.classList.contains('e-fullrow') || args.event.key == "Enter") {
                var getNodeDetails = treeObj.getNodeData(args.node);
                if (getNodeDetails.isChecked == 'true') {
                    treeObj.uncheckAll(checkedNode);
                } else {
                    treeObj.checkAll(checkedNode);
                }
            }
        }
    }
}
</script>
<style>
  @import "../../node_modules/@syncfusion/ej2-base/styles/material.css";
  @import "../../node_modules/@syncfusion/ej2-vue-navigations/styles/material.css";
  @import "../../node_modules/@syncfusion/ej2-buttons/styles/material.css";
 .control_wrapper {
        display: block;
        max-width: 350px;
        max-height: 350px;
        margin: auto;
        overflow: auto;
        border: 1px solid #dddddd;
        border-radius: 3px;
    }
</style>