Sortable sidebar navigation with frame

<!--
  Расхождение с апстримом: `IconPlaceholder` заменена инлайновым `<svg>`
  (lucide-react v0.545.0 "grip-vertical"/"layout-dashboard"/"inbox"/
  "folder"/"calendar"/"bar-chart-3"/"settings") — см. docs/PORTING.md §5.
-->
<script setup lang="ts">
import { ref } from "vue"
import { Badge } from "@/components/reui/badge"
import { Frame, FrameHeader, FramePanel, FrameTitle } from "@/components/reui/frame"
import { Sortable, SortableItem, SortableItemHandle } from "@/components/reui/sortable"

interface NavItem {
  id: string
  label: string
  count?: number
}

const items = ref<NavItem[]>([
  { id: "1", label: "Dashboard" },
  { id: "2", label: "Inbox", count: 5 },
  { id: "3", label: "Projects", count: 12 },
  { id: "4", label: "Calendar" },
  { id: "5", label: "Analytics" },
  { id: "6", label: "Settings" },
])

function getItemValue(item: NavItem) {
  return item.id
}
</script>

<template>
  <div class="mx-auto w-full max-w-xs">
    <Frame spacing="xs">
      <FrameHeader>
        <FrameTitle>Navigation</FrameTitle>
      </FrameHeader>
      <FramePanel class="p-2!">
        <Sortable
          v-model:value="items"
          :get-item-value="getItemValue"
          strategy="vertical"
          class="space-y-0.5"
        >
          <SortableItem v-for="item in items" :key="item.id" :value="item.id">
            <div class="hover:bg-accent flex items-center gap-1.5 rounded-md px-2 py-1.5 transition-colors">
              <SortableItemHandle class="text-muted-foreground hover:text-foreground opacity-0 transition-opacity group-hover:opacity-100 [div:hover>&]:opacity-100">
                <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-grip-vertical size-3.5">
                  <circle cx="9" cy="12" r="1" />
                  <circle cx="9" cy="5" r="1" />
                  <circle cx="9" cy="19" r="1" />
                  <circle cx="15" cy="12" r="1" />
                  <circle cx="15" cy="5" r="1" />
                  <circle cx="15" cy="19" r="1" />
                </svg>
              </SortableItemHandle>

              <svg v-if="item.id === '1'" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-layout-dashboard text-muted-foreground size-4">
                <rect width="7" height="9" x="3" y="3" rx="1" />
                <rect width="7" height="5" x="14" y="3" rx="1" />
                <rect width="7" height="9" x="14" y="12" rx="1" />
                <rect width="7" height="5" x="3" y="16" rx="1" />
              </svg>
              <svg v-else-if="item.id === '2'" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-inbox text-muted-foreground size-4">
                <polyline points="22 12 16 12 14 15 10 15 8 12 2 12" />
                <path d="M5.45 5.11 2 12v6a2 2 0 0 0 2 2h16a2 2 0 0 0 2-2v-6l-3.45-6.89A2 2 0 0 0 16.76 4H7.24a2 2 0 0 0-1.79 1.11z" />
              </svg>
              <svg v-else-if="item.id === '3'" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-folder text-muted-foreground size-4">
                <path d="M20 20a2 2 0 0 0 2-2V8a2 2 0 0 0-2-2h-7.9a2 2 0 0 1-1.69-.9L9.6 3.9A2 2 0 0 0 7.93 3H4a2 2 0 0 0-2 2v13a2 2 0 0 0 2 2Z" />
              </svg>
              <svg v-else-if="item.id === '4'" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-calendar text-muted-foreground size-4">
                <path d="M8 2v4" />
                <path d="M16 2v4" />
                <rect width="18" height="18" x="3" y="4" rx="2" />
                <path d="M3 10h18" />
              </svg>
              <svg v-else-if="item.id === '5'" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-chart-column text-muted-foreground size-4">
                <path d="M3 3v16a2 2 0 0 0 2 2h16" />
                <path d="M18 17V9" />
                <path d="M13 17V5" />
                <path d="M8 17v-3" />
              </svg>
              <svg v-else xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-settings text-muted-foreground size-4">
                <path d="M9.671 4.136a2.34 2.34 0 0 1 4.659 0 2.34 2.34 0 0 0 3.319 1.915 2.34 2.34 0 0 1 2.33 4.033 2.34 2.34 0 0 0 0 3.831 2.34 2.34 0 0 1-2.33 4.033 2.34 2.34 0 0 0-3.319 1.915 2.34 2.34 0 0 1-4.659 0 2.34 2.34 0 0 0-3.32-1.915 2.34 2.34 0 0 1-2.33-4.033 2.34 2.34 0 0 0 0-3.831A2.34 2.34 0 0 1 6.35 6.051a2.34 2.34 0 0 0 3.319-1.915" />
                <circle cx="12" cy="12" r="3" />
              </svg>

              <span class="flex-1 text-sm">{{ item.label }}</span>
              <Badge v-if="item.count" variant="outline" size="sm" class="rounded-full">{{ item.count }}</Badge>
            </div>
          </SortableItem>
        </Sortable>
      </FramePanel>
    </Frame>
  </div>
</template>