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

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import { htmlOrText } from '../../../utils/html'
import { isFunction } from '../../../utils/inspect'
import { BTr } from '../tr'
import { BTd } from '../td'

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)
          })
        }
        $empty = h(BTd, { props: { colspan: this.computedFields.length || null } }, [
          h('div', { attrs: { role: 'alert', 'aria-live': 'polite' } }, [$empty])
        ])
        $empty = h(
          BTr,
          {
            key: this.isFiltered ? 'b-empty-filtered-row' : 'b-empty-row',
            staticClass: 'b-table-empty-row',
            class: [
              isFunction(this.tbodyTrClass)
                ? /* istanbul ignore next */ this.tbodyTrClass(null, 'row-empty')
                : this.tbodyTrClass
            ],
            attrs: isFunction(this.tbodyTrAttr)
              ? /* istanbul ignore next */ this.tbodyTrAttr(null, 'row-empty')
              : this.tbodyTrAttr
          },
          [$empty]
        )
      }

      return $empty || h()
    }
  }
}