feat(Breadcrumb): new component

Resolves #22

src/runtime/components/Breadcrumb.vue

@@ -0,0 +1,79 @@
+<script lang="ts">
+import { tv } from 'tailwind-variants'
+import type { PrimitiveProps } from 'radix-vue'
+import type { AppConfig } from '@nuxt/schema'
+import _appConfig from '#build/app.config'
+import theme from '#build/ui/breadcrumb'
+import type { AvatarProps, IconProps, LinkProps } from '#ui/types'
+
+const appConfig = _appConfig as AppConfig & { ui: { breadcrumb: Partial<typeof theme> } }
+
+const breadcrumb = tv({ extend: tv(theme), ...(appConfig.ui?.breadcrumb || {}) })
+
+export interface BreadcrumbLink extends LinkProps {
+  label: string
+  icon?: IconProps['name']
+  avatar?: AvatarProps
+}
+
+export interface BreadcrumbProps<T> extends Omit<PrimitiveProps, 'asChild'> {
+  links?: T[]
+  separatorIcon?: IconProps['name']
+  class?: any
+  ui?: Partial<typeof breadcrumb.slots>
+}
+
+type SlotProps<T> = (props: { link: T, active: boolean, index: number }) => any
+
+export interface BreadcrumbSlots<T> {
+  leading: SlotProps<T>
+  default: SlotProps<T>
+  trailing: SlotProps<T>
+  separator(): any
+}
+</script>
+
+<script setup lang="ts" generic="T extends BreadcrumbLink">
+import { computed } from 'vue'
+import { Primitive } from 'radix-vue'
+import { useAppConfig } from '#imports'
+import { omit } from '#ui/utils'
+
+const props = defineProps<BreadcrumbProps<T>>()
+defineSlots<BreadcrumbSlots<T>>()
+
+const appConfig = useAppConfig()
+
+const ui = computed(() => tv({ extend: breadcrumb, slots: props.ui })())
+</script>
+
+<template>
+  <Primitive :as="as" aria-label="breadcrumb" :class="ui.root({ class: props.class })">
+    <ol :class="ui.list()">
+      <template v-for="(link, index) in links" :key="index">
+        <li :class="ui.item()">
+          <ULink as="span" v-bind="omit(link, ['label', 'icon', 'avatar'])" :aria-current="index === links!.length - 1 ? 'page' : undefined" :class="ui.link({ active: index === links!.length - 1, disabled: link.disabled })" raw>
+            <slot name="leading" :link="link" :active="index === links!.length - 1" :index="index">
+              <UAvatar v-if="link.avatar" size="2xs" v-bind="link.avatar" :class="ui.linkLeadingAvatar({ active: index === links!.length - 1 })" />
+              <UIcon v-else-if="link.icon" :name="link.icon" :class="ui.linkLeadingIcon({ active: index === links!.length - 1 })" />
+            </slot>
+
+            <span v-if="link.label || $slots.default" :class="ui.linkLabel()">
+              <slot :link="link" :active="index === links!.length - 1" :index="index">
+                {{ link.label }}
+              </slot>
+            </span>
+
+            <slot name="trailing" :link="link" :active="index === links!.length - 1" :index="index" />
+          </ULink>
+        </li>
+
+        <li v-if="index < links!.length - 1" role="presentation" :class="ui.separator()">
+          <slot name="separator">
+            <UIcon :name="separatorIcon || appConfig.ui.icons.chevronRight" :class="ui.separatorIcon()" />
+          </slot>
+        </li>
+      </template>
+    </ol>
+  </Primitive>
+</template>