title: How to display computed value for a column in vue-table-2
body: <p>An API to server returns a dataset where date/time is an epoch (<code>eventTime</code>) number. I need to translate it to a date/time human readable format. What is the correct format to make the same happen?</p>
  
  <p>Template for displaying table</p>
  
  <pre><code>&lt;div class="table-responsive"&gt;
     &lt;v-client-table
        :data="tableData"
        :columns="columns"
        :options="options"&gt;
     &lt;/v-client-table&gt;
  &lt;/div&gt;
  </code></pre>
  
  <p>JS part</p>
  
  <pre><code>data () {
    return {
      User,
      title: 'Verifications',
      columns: ['trackingcode', 'userName', 'eventTime',
        'scanResult', 'place_info.administrative_area_level_1'],
      tableData: [],
      rows: this.tableData,
      options: {
        uniqueKey: '_id',
        headings: {
          trackingcode: 'Serial Num',
          userName: 'User Name',
          dateTime: 'Date/Time',
          scanResult: 'Status',
          'place_info.administrative_area_level_1': 'City'
        },
        columnsDropdown: true,
        filterByColumn: true,
        sortable: ['trackingcode', 'userName'],
        filterable: ['trackingcode', 'userName', 'place_info.administrative_area_level_1']
      }
    }
  
  methods: {
    getHumanDate: function (date) {
      var fixedstring
      try {
        // If the string is UTF-8, this will work and not throw an error.
        fixedstring = decodeURIComponent(escape(date))
      } catch (e) {
        // If it isn't, an error will be thrown, and we can asume that we have an ISO string.
        fixedstring = date
      }
      return moment.unix(fixedstring / 1000).format('DD-MMM-YYYY h:mm:ss A Z')
    }
  }
  </code></pre>