Row Template in Vue Grid component

<template>
    <div id="app">
      <ejs-grid :dataSource="data" height=310 width='auto' :rowTemplate='rowTemplate' >
        <e-columns>
            <e-column field='Employee Image' headerText='Employee Image' width='150' textAlign='Center'></e-column>
            <e-column field='Employee Details' headerText='Employee Details' width='300' textAlign='Left'></e-column>
        </e-columns>
      </ejs-grid>
    </div>
</template>
<script>
import Vue from "vue";
import { GridPlugin } from "@syncfusion/ej2-vue-grids";
import { employeeData } from "./datasource.js";
import { Internationalization } from '@syncfusion/ej2-base';

let instance = new Internationalization();

Vue.use(GridPlugin);

export default {
  data: () => {
    return {
      data: employeeData,
      rowTemplate: function () {
        return { template : Vue.component('rowTemplate',{
        template: `<tr>
        <td class="rowphoto">
            <img :src="image" :alt="altImage" />
        </td>
        <td class="details">
            <table class="CardTable" cellpadding="3" cellspacing="2">
                <colgroup>
                    <col width="50%">
                    <col width="50%">
                </colgroup>
                <tbody>
                    <tr>
                        <td class="CardHeader">First Name </td>
                        <td>{{data.FirstName}} </td>
                    </tr>
                    <tr>
                        <td class="CardHeader">Last Name</td>
                        <td>{{data.LastName}} </td>
                    </tr>
                    <tr>
                        <td class="CardHeader">Title</td>

                        <td>{{data.Title}} </td>
                    </tr>
                    <tr>
                        <td class="CardHeader">Birth Date</td>
                        <td>{{format(data.BirthDate)}} </td>
                    </tr>
                    <tr>
                        <td class="CardHeader">Hire Date</td>
                        <td>{{format(data.HireDate)}} </td>
                    </tr>
                </tbody>
            </table>
        </td>
    </tr>`,
          data: function() {
            return {
              data: {}
            }
          },
          methods: {
            format: function(value) {
                return instance.formatDate(value, { skeleton: 'yMd', type: 'date' });
            }
          },
          computed: {
            image: function() {
              return './' + this.data.EmployeeID + '.png';
            },
            altImage: function() {
              return this.data.EmployeeID;
            }
          }
        })}
      }
    };
  }
}
</script>
<style>
 @import "../node_modules/@syncfusion/ej2-vue-grids/styles/material.css";

  .rowphoto img {
        width: 100px;
        height: 100px;
        border-radius: 50px;
        box-shadow: inset 0 0 1px #e0e0e0, inset 0 0 14px rgba(0,0,0,0.2);
    }

    @media screen and (max-width: 600px) and (min-width: 320px) {
        .rowphoto img {
            width: 50px;
            height: 50px;
        }
    }

    @media screen and (max-width: 800px) and (min-width: 600px) {
        .rowphoto img {
            width: 70px;
            height: 70px;
        }
    }

    .rowphoto,
    .details {
        border-color: #e0e0e0;
        border-style: solid;
    }

    .rowphoto {
        border-width: 1px 0px 0px 0px;
        text-align: center;
    }

    .details {
        border-width: 1px 0px 0px 0px;
        padding-left: 18px;
    }

    .e-bigger .details {
        padding-left: 25px;
    }

    .e-device .details {
        padding-left: 8px;
    }

    .details > table {
        width: 100%;
    }

    .CardHeader {
        font-weight: bolder;
    }

    td {
        padding: 2px 2px 3px 4px;
    }
</style>


{% endraw %}

define(["require", "exports"], function (require, exports) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    exports.employeeData = [{
        'EmployeeID': 1,
        'LastName': 'Davolio',
        'FirstName': 'Nancy',
        'Title': 'Sales Representative',
        'TitleOfCourtesy': 'Ms.',
        'BirthDate': new Date(-664743600000),
        'HireDate': new Date(704692800000),
        'Address': '507 - 20th Ave. E.\r\nApt. 2A',
        'City': 'Seattle',
        'Region': 'WA',
        'PostalCode': '98122',
        'Country': 'USA',
        'HomePhone': '(206) 555-9857',
        'Extension': '5467',
        'Photo': { 'Length': 21626 },
    
        'Notes': 'Education includes a BA in psychology from Colorado State University in 1970.  She also completed\
        \'The Art of the Cold Call.\'  Nancy is a member of Toastmasters International.',
        'ReportsTo': 2,
        'PhotoPath': 'http://accweb/emmployees/davolio.bmp'
    },
    {
        'EmployeeID': 2,
        'LastName': 'Fuller',
        'FirstName': 'Andrew',
        'Title': 'Vice President, Sales',
        'TitleOfCourtesy': 'Dr.',
        'BirthDate': new Date(-563828400000),
        'HireDate': new Date(713764800000),
        'Address': '908 W. Capital Way',
        'City': 'Tacoma',
        'Region': 'WA',
        'PostalCode': '98401',
        'Country': 'USA',
        'HomePhone': '(206) 555-9482',
        'Extension': '3457',
        'Photo': { 'Length': 21626 },
    
        'Notes': 'Andrew received his BTS commercial in 1974 and a Ph.D. in international marketing from the University of \
        Dallas in 1981.  He is fluent in French and Italian and reads German.  He joined the company as a sales representative, \
        was promoted to sales manager in January 1992 and to vice president of sales in March 1993.  Andrew is a member of the \
        Sales Management Roundtable, the Seattle Chamber of Commerce, and the Pacific Rim Importers Association.',
        'ReportsTo': 0,
        'PhotoPath': 'http://accweb/emmployees/fuller.bmp'
    },
    {
        'EmployeeID': 3,
        'LastName': 'Leverling',
        'FirstName': 'Janet',
        'Title': 'Sales Representative',
        'TitleOfCourtesy': 'Ms.',
        'BirthDate': new Date(-200088000000),
        'HireDate': new Date(702104400000),
        'Address': '722 Moss Bay Blvd.',
        'City': 'Kirkland',
        'Region': 'WA',
        'PostalCode': '98033',
        'Country': 'USA',
        'HomePhone': '(206) 555-3412',
        'Extension': '3355',
        'Photo': { 'Length': 21722 },
    
        'Notes': 'Janet has a BS degree in chemistry from Boston College (1984). \
         She has also completed a certificate program in food retailing management.\
         Janet was hired as a sales associate in 1991 and promoted to sales representative in February 1992.',
        'ReportsTo': 2,
        'PhotoPath': 'http://accweb/emmployees/leverling.bmp'
    },
    {
        'EmployeeID': 4,
        'LastName': 'Peacock',
        'FirstName': 'Margaret',
        'Title': 'Sales Representative',
        'TitleOfCourtesy': 'Mrs.',
        'BirthDate': new Date(-1018814400000),
        'HireDate': new Date(736401600000),
        'Address': '4110 Old Redmond Rd.',
        'City': 'Redmond',
        'Region': 'WA',
        'PostalCode': '98052',
        'Country': 'USA',
        'HomePhone': '(206) 555-8122',
        'Extension': '5176',
        'Photo': { 'Length': 21626 },
    
        'Notes': 'Margaret holds a BA in English literature from Concordia College (1958) and an MA from the American \
        Institute of Culinary Arts (1966).  She was assigned to the London office temporarily from July through November 1992.',
        'ReportsTo': 2,
        'PhotoPath': 'http://accweb/emmployees/peacock.bmp'
    },
    {
        'EmployeeID': 5,
        'LastName': 'Buchanan',
        'FirstName': 'Steven',
        'Title': 'Sales Manager',
        'TitleOfCourtesy': 'Mr.',
        'BirthDate': new Date(-468010800000),
        'HireDate': new Date(750830400000),
        'Address': '14 Garrett Hill',
        'City': 'London',
        'Region': null,
        'PostalCode':
        'SW1 8JR',
        'Country': 'UK',
        'HomePhone': '(71) 555-4848',
        'Extension': '3453',
        'Photo': { 'Length': 21626 },
    
        'Notes': 'Steven Buchanan graduated from St. Andrews University, Scotland, with a BSC degree in 1976.  Upon joining the company as \
        a sales representative in 1992, he spent 6 months in an orientation program at the Seattle office and then returned to his permanent \
        post in London.  He was promoted to sales manager in March 1993.  Mr. Buchanan has completed the courses \'Successful \
        Telemarketing\' and \'International Sales Management.\'  He is fluent in French.',
        'ReportsTo': 2,
        'PhotoPath': 'http://accweb/emmployees/buchanan.bmp'
    },
    {
        'EmployeeID': 6,
        'LastName': 'Suyama',
        'FirstName': 'Michael',
        'Title': 'Sales Representative',
        'TitleOfCourtesy': 'Mr.',
        'BirthDate': new Date(-205185600000),
        'HireDate': new Date(750830400000),
        'Address': 'Coventry House\r\nMiner Rd.',
        'City': 'London',
        'Region': null,
        'PostalCode': 'EC2 7JR',
        'Country': 'UK',
        'HomePhone': '(71) 555-7773',
        'Extension': '428',
        'Photo': { 'Length': 21626 },
    
        'Notes': 'Michael is a graduate of Sussex University (MA, economics, 1983) and the University of California at Los Angeles \
        (MBA, marketing, 1986).  He has also taken the courses \'Multi-Cultural Selling\' and \'Time Management for the Sales Professional.\'  \
        He is fluent in Japanese and can read and write French, Portuguese, and Spanish.',
        'ReportsTo': 5,
        'PhotoPath': 'http://accweb/emmployees/davolio.bmp'
    },
    {
        'EmployeeID': 7,
        'LastName': 'King',
        'FirstName': 'Robert',
        'Title': 'Sales Representative',
        'TitleOfCourtesy': 'Mr.',
        'BirthDate': new Date(-302731200000),
        'HireDate': new Date(757486800000),
        'Address': 'Edgeham Hollow\r\nWinchester Way',
        'City': 'London',
        'Region': null,
        'PostalCode': 'RG1 9SP',
        'Country': 'UK',
        'HomePhone': '(71) 555-5598',
        'Extension': '465',
        'Photo': { 'Length': 21626 },
    
        'Notes': 'Robert King served in the Peace Corps and traveled extensively before completing his degree in English at the \
        University of Michigan in 1992, the year he joined the company.  After completing a course entitled \'Selling in Europe,\' \
        he was transferred to the London office in March 1993.',
        'ReportsTo': 5,
        'PhotoPath': 'http://accweb/emmployees/davolio.bmp'
    },
    {
        'EmployeeID': 8,
        'LastName': 'Callahan',
        'FirstName': 'Laura',
        'Title': 'Inside Sales Coordinator',
        'TitleOfCourtesy': 'Ms.',
        'BirthDate': new Date(-377982000000),
        'HireDate': new Date(762843600000),
        'Address': '4726 - 11th Ave. N.E.',
        'City': 'Seattle',
        'Region': 'WA',
        'PostalCode': '98105',
        'Country': 'USA',
        'HomePhone': '(206) 555-1189',
        'Extension': '2344',
        'Photo': { 'Length': 21626 },
    
        'Notes': 'Laura received a BA in psychology from the University of Washington.  She has also completed a course in business \
        French.  She reads and writes French.',
        'ReportsTo': 2,
        'PhotoPath': 'http://accweb/emmployees/davolio.bmp'
    },
    {
        'EmployeeID': 9,
        'LastName': 'Dodsworth',
        'FirstName': 'Anne',
        'Title': 'Sales Representative',
        'TitleOfCourtesy': 'Ms.',
        'BirthDate': new Date(-123966000000),
        'HireDate': new Date(784875600000),
        'Address': '7 Houndstooth Rd.',
        'City': 'London',
        'Region': null,
        'PostalCode': 'WG2 7LT',
        'Country': 'UK',
        'HomePhone': '(71) 555-4444',
        'Extension': '452',
        'Photo': { 'Length': 21626 },
    
        'Notes': 'Anne has a BA degree in English from St. Lawrence College.  She is fluent in French and German.',
        'ReportsTo': 5,
        'PhotoPath': 'http://accweb/emmployees/davolio.bmp'
    }];   
});