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

BootstrapVue, with over 40 plugins and more than 80 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'

export default {
  props: {
    // `caption-top` is part of table-redere mixin (styling)
    // captionTop: {
    //   type: Boolean,
    //   default: false
    // },
    caption: {
      type: String,
      default: null
    },
    captionHtml: {
      type: String
    }
  },
  computed: {
    captionId() {
      // Even though `this.safeId` looks like a method, it is a computed prop
      // that returns a new function if the underlying ID changes
      return this.isStacked ? this.safeId('_caption_') : null
    }
  },
  methods: {
    renderCaption() {
      const h = this.$createElement

      // Build the caption
      const $captionSlot = this.normalizeSlot('table-caption')
      let $caption = h()

      if ($captionSlot || this.caption || this.captionHtml) {
        const data = {
          key: 'caption',
          attrs: { id: this.captionId }
        }
        if (!$captionSlot) {
          data.domProps = htmlOrText(this.captionHtml, this.caption)
        }
        $caption = h('caption', data, [$captionSlot])
      }

      return $caption
    }
  }
}