bootstrap-vue/src/components/card/card-header.js

BootstrapVue provides one of the most comprehensive implementations of Bootstrap 4 components and grid system for Vue.js and with extensive and automated WAI-ARIA accessibility markup.

import { mergeData } from 'vue-functional-data-merge'

import prefixPropName from '../../utils/prefix-prop-name'
import copyProps from '../../utils/copyProps'
import { assign } from '../../utils/object'
import cardMixin from '../../mixins/card-mixin'

export const props = assign(
  {},
  copyProps(cardMixin.props, prefixPropName.bind(null, 'header')),
  {
    header: {
      type: String,
      default: null
    },
    headerClass: {
      type: [String, Object, Array],
      default: null
    }
  }
)

export default {
  functional: true,
  props,
  render (h, { props, data, slots }) {
    return h(
      props.headerTag,
      mergeData(data, {
        staticClass: 'card-header',
        class: [
          props.headerClass,
          {
            [`bg-${props.headerBgVariant}`]: Boolean(props.headerBgVariant),
            [`border-${props.headerBorderVariant}`]: Boolean(
              props.headerBorderVariant
            ),
            [`text-${props.headerTextVariant}`]: Boolean(
              props.headerTextVariant
            )
          }
        ]
      }),
      slots().default || [h('div', { domProps: { innerHTML: props.header } })]
    )
  }
}