bootstrap-vue/src/components/nav/nav.js

With more than 85 components, over 45 available plugins, several directives, and 1000+ icons, BootstrapVue provides one of the most comprehensive implementations of the Bootstrap v4 component and grid system available for Vue.js v2.6, complete with extens

import Vue, { mergeData } from '../../vue'
import { NAME_NAV } from '../../constants/components'

// -- Constants --

export const props = {
  tag: {
    type: String,
    default: 'ul'
  },
  fill: {
    type: Boolean,
    default: false
  },
  justified: {
    type: Boolean,
    default: false
  },
  align: {
    type: String
    // default: null
  },
  tabs: {
    type: Boolean,
    default: false
  },
  pills: {
    type: Boolean,
    default: false
  },
  vertical: {
    type: Boolean,
    default: false
  },
  small: {
    type: Boolean,
    default: false
  },
  cardHeader: {
    // Set to true if placing in a card header
    type: Boolean,
    default: false
  }
}

// -- Utils --

const computeJustifyContent = value => {
  // Normalize value
  value = value === 'left' ? 'start' : value === 'right' ? 'end' : value
  return `justify-content-${value}`
}

// @vue/component
export const BNav = /*#__PURE__*/ Vue.extend({
  name: NAME_NAV,
  functional: true,
  props,
  render(h, { props, data, children }) {
    return h(
      props.tag,
      mergeData(data, {
        staticClass: 'nav',
        class: {
          'nav-tabs': props.tabs,
          'nav-pills': props.pills && !props.tabs,
          'card-header-tabs': !props.vertical && props.cardHeader && props.tabs,
          'card-header-pills': !props.vertical && props.cardHeader && props.pills && !props.tabs,
          'flex-column': props.vertical,
          'nav-fill': !props.vertical && props.fill,
          'nav-justified': !props.vertical && props.justified,
          [computeJustifyContent(props.align)]: !props.vertical && props.align,
          small: props.small
        }
      }),
      children
    )
  }
})