bootstrap-vue/src/components/table/helpers/mixin-empty.js

BootstrapVue, with over 40 plugins and more than 75 custom components, provides one of the most comprehensive implementations of Bootstrap v4 components and grid system for Vue.js. With extensive and automated WAI-ARIA accessibility markup.

import { htmlOrText } from '../../../utils/html'
import { isFunction } from '../../../utils/inspect'

export default {
  props: {
    showEmpty: {
      type: Boolean,
      default: false
    },
    emptyText: {
      type: String,
      default: 'There are no records to show'
    },
    emptyHtml: {
      type: String
    },
    emptyFilteredText: {
      type: String,
      default: 'There are no records matching your request'
    },
    emptyFilteredHtml: {
      type: String
    }
  },
  methods: {
    renderEmpty() {
      const h = this.$createElement
      const items = this.computedItems
      let $empty

      if (
        this.showEmpty &&
        (!items || items.length === 0) &&
        !(this.computedBusy && this.hasNormalizedSlot('table-busy'))
      ) {
        $empty = this.normalizeSlot(this.isFiltered ? 'emptyfiltered' : 'empty', {
          emptyFilteredHtml: this.emptyFilteredHtml,
          emptyFilteredText: this.emptyFilteredText,
          emptyHtml: this.emptyHtml,
          emptyText: this.emptyText,
          fields: this.computedFields,
          // Not sure why this is included, as it will always be an empty array
          items: this.computedItems
        })
        if (!$empty) {
          $empty = h('div', {
            class: ['text-center', 'my-2'],
            domProps: this.isFiltered
              ? htmlOrText(this.emptyFilteredHtml, this.emptyFilteredText)
              : htmlOrText(this.emptyHtml, this.emptyText)
          })
        }
        $empty = h(
          'td',
          {
            attrs: {
              colspan: String(this.computedFields.length),
              role: 'cell'
            }
          },
          [h('div', { attrs: { role: 'alert', 'aria-live': 'polite' } }, [$empty])]
        )
        $empty = h(
          'tr',
          {
            key: this.isFiltered ? '_b-table-empty-filtered-row_' : '_b-table-empty-row_',
            staticClass: 'b-table-empty-row',
            class: [
              isFunction(this.tbodyTrClass)
                ? this.tbodyTrClass(null, 'row-empty')
                : this.tbodyTrClass
            ],
            attrs: { role: 'row' }
          },
          [$empty]
        )
      }

      return $empty || h(false)
    }
  }
}