ABreadcrumbs.vue

<template>
  <div
    class="tw-flex tw-items-center tw-gap-2 tw-text-gray-500 tw-select-none tw-bg-gray-50 tw-p-2"
  >
    <template v-for="(crumb, index) in normalizedBreadcrumbs" :key="index">
      <icon-system-uicons-chevron-right
        v-if="index > 0"
        class="tw-text-gray-300 -tw-mx-1 tw-flex-none"
      />

      <component
        :is="crumb.as"
        v-bind="crumb.attrs"
        class="tw-inline-flex tw-gap-2 tw-items-center tw-text-inherit tw-min-w-0 tw-shrink last:tw-shrink-0"
        :title="sanitizeHTML(crumb.title)"
      >
        <icon-system-uicons-home-alt v-if="index === 0" class="tw-flex-none" />
        <SafeHTML :html="crumb.title" class="tw-truncate" />
      </component>
    </template>
  </div>
</template>

<script lang="ts" setup>
import { computed } from 'vue'
import { sanitizeHTML } from '@/util'
import { Breadcrumb, BreadcrumbNormalized } from '@/components/nav/nav'
import SafeHTML from '@/components/generic/SafeHTML'

const props = defineProps<{
  breadcrumbs: Breadcrumb[]
}>()

const normalizedBreadcrumbs = computed<BreadcrumbNormalized[]>(() => {
  const defaultInteractiveAttrs = { class: 'tw-cursor-pointer' }
  return props.breadcrumbs.flatMap((crumb) => {
    if (typeof crumb === 'string') {
      return { title: crumb, as: 'span', attrs: { class: 'tw-cursor-default' } }
    } else if ('route' in crumb) {
      return {
        title: crumb.title,
        as: 'router-link',
        attrs: { ...defaultInteractiveAttrs, to: crumb.route },
      }
    } else if ('link' in crumb) {
      return {
        title: crumb.title,
        as: 'a',
        attrs: { ...defaultInteractiveAttrs, href: crumb.link },
      }
    } else {
      return []
    }
  })
})
</script>