custom-bootstrap-vue/src/components/form-select/form-select-option-group.js

Custom version of bootstrap-vue created for providing specific theme to a particular project

import Vue from '../../utils/vue'
import { htmlOrText } from '../../utils/html'
import formOptionsMixin from '../../mixins/form-options'
import normalizeSlotMixin from '../../mixins/normalize-slot'
import { BFormSelectOption } from './form-select-option'

// @vue/component
const BFormSelectOptionGroup = /*#__PURE__*/ Vue.extend({
  name: 'BFormSelectOptionGroup',
  mixins: [normalizeSlotMixin, formOptionsMixin],
  props: {
    label: {
      type: String,
      required: true
    }
  },
  render(h) {
    const $options = this.formOptions.map((option, index) => {
      const { value, text, html, disabled } = option

      return h(BFormSelectOption, {
        attrs: { value, disabled },
        domProps: htmlOrText(html, text),
        key: `option_${index}`
      })
    })

    return h('optgroup', { attrs: { label: this.label } }, [
      this.normalizeSlot('first'),
      $options,
      this.normalizeSlot('default')
    ])
  }
})

export { BFormSelectOptionGroup }