NoDataSlot.vue

<template>
  <div class="q-pa-md">
    <q-table
      title="Treats"
      :rows="rows"
      :columns="columns"
      :filter="filter"
      no-data-label="I didn't find anything for you"
      no-results-label="The filter didn't uncover any results"
      row-key="name"
    >
      <template v-slot:top-right>
        <q-input borderless dense debounce="300" v-model="filter" placeholder="Search">
          <template v-slot:append>
            <q-icon name="search" />
          </template>
        </q-input>
      </template>

      <template v-slot:no-data="{ icon, message, filter }">
        <div class="full-width row flex-center text-accent q-gutter-sm">
          <q-icon size="2em" name="sentiment_dissatisfied" />
          <span>
            Well this is sad... {{ message }}
          </span>
          <q-icon size="2em" :name="filter ? 'filter_b_and_w' : icon" />
        </div>
      </template>
    </q-table>
  </div>
</template>

<script>
import { ref } from 'vue'

export default {
  setup () {
    return {
      rows: [],
      filter: ref(''),

      columns: [
        {
          name: 'name',
          required: true,
          label: 'Dessert (100g serving)',
          align: 'left',
          field: row => row.name,
          format: val => `${val}`,
          sortable: true
        },
        { name: 'calories', align: 'center', label: 'Calories', field: 'calories', sortable: true },
        { name: 'fat', label: 'Fat (g)', field: 'fat', sortable: true },
        { name: 'carbs', label: 'Carbs (g)', field: 'carbs' },
        { name: 'protein', label: 'Protein (g)', field: 'protein' },
        { name: 'sodium', label: 'Sodium (mg)', field: 'sodium' },
        { name: 'calcium', label: 'Calcium (%)', field: 'calcium', sortable: true, sort: (a, b) => parseInt(a, 10) - parseInt(b, 10) },
        { name: 'iron', label: 'Iron (%)', field: 'iron', sortable: true, sort: (a, b) => parseInt(a, 10) - parseInt(b, 10) }
      ]
    }
  }
}
</script>