update to nuxt 4

app/components/MultiItemSelector.vue

@@ -0,0 +1,115 @@
+<template>
+  <div>
+    <div class="inline-flex gap-1 items-center flex-wrap">
+      <span
+        v-for="item in enabledItems"
+        :key="item.param"
+        class="inline-flex items-center gap-x-0.5 rounded-md bg-blue-600/10 px-2 py-1 text-xs font-medium text-blue-500 ring-1 ring-blue-800 ring-inset"
+      >
+        {{ item.name }}
+        <button
+          type="button"
+          class="group relative -mr-1 size-3.5 rounded-xs hover:bg-blue-600/20"
+          @click="() => remove(item.param)"
+        >
+          <span class="sr-only">{{ $t("common.remove") }}</span>
+          <svg
+            viewBox="0 0 14 14"
+            class="size-3.5 stroke-blue-500 group-hover:stroke-blue-400"
+          >
+            <path d="M4 4l6 6m0-6l-6 6" />
+          </svg>
+          <span class="absolute -inset-1" />
+        </button>
+      </span>
+      <span
+        v-if="enabledItems.length == 0"
+        class="font-display uppercase text-xs font-bold text-zinc-700"
+      >
+        {{ $t("common.noSelected") }}
+      </span>
+    </div>
+    <Combobox as="div" @update:model-value="add">
+      <div class="relative mt-2">
+        <ComboboxInput
+          class="block w-full rounded-md bg-zinc-900 py-1.5 pr-12 pl-3 text-base text-zinc-100 outline-1 -outline-offset-1 outline-zinc-700 placeholder:text-zinc-500 focus:outline-2 focus:-outline-offset-2 focus:outline-blue-600 sm:text-sm/6"
+          :display-value="(item) => (item as StoreSortOption)?.name"
+          placeholder="Start typing..."
+          @change="search = $event.target.value"
+          @blur="search = ''"
+        />
+        <ComboboxButton
+          class="absolute inset-y-0 right-0 flex items-center rounded-r-md px-2 focus:outline-hidden"
+        >
+          <ChevronDownIcon class="size-5 text-gray-400" aria-hidden="true" />
+        </ComboboxButton>
+
+        <ComboboxOptions
+          v-if="filteredItems.length > 0 || search.length > 0"
+          class="absolute mt-1 max-h-60 w-full overflow-auto rounded-md bg-zinc-900 py-1 text-base shadow-lg ring-1 ring-white/5 focus:outline-hidden sm:text-sm"
+        >
+          <ComboboxOption
+            v-for="item in filteredItems"
+            :key="item.param"
+            v-slot="{ active }"
+            :value="item.param"
+            as="template"
+          >
+            <li
+              :class="[
+                'relative cursor-default py-2 pr-9 pl-3 select-none',
+                active
+                  ? 'bg-blue-600 text-white outline-hidden'
+                  : 'text-zinc-100',
+              ]"
+            >
+              <span class="block truncate">
+                {{ item.name }}
+              </span>
+            </li>
+          </ComboboxOption>
+        </ComboboxOptions>
+      </div>
+    </Combobox>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { ChevronDownIcon } from "@heroicons/vue/20/solid";
+import {
+  Combobox,
+  ComboboxButton,
+  ComboboxInput,
+  ComboboxOption,
+  ComboboxOptions,
+} from "@headlessui/vue";
+const props = defineProps<{
+  items: Array<StoreSortOption>;
+}>();
+
+const model = defineModel<{ [key: string]: boolean }>();
+
+const search = ref("");
+const filteredItems = computed(() =>
+  props.items.filter(
+    (item) =>
+      !model.value?.[item.param] &&
+      item.name.toLowerCase().includes(search.value.toLowerCase()),
+  ),
+);
+
+const enabledItems = computed(() =>
+  props.items.filter((e) => model.value?.[e.param]),
+);
+
+function add(item: string) {
+  search.value = "";
+  model.value ??= {};
+  model.value[item] = true;
+}
+
+function remove(item: string) {
+  model.value ??= {};
+  model.value[item] = false;
+}
+</script>