Add searchable ticket property dropdowns

resources/js/components/projects/UserSelectDropdown.vue

@@ -1,6 +1,6 @@
 <script setup lang="ts">
-import { Check, ChevronDown, UserRound } from 'lucide-vue-next';
-import { computed } from 'vue';
+import { Check, ChevronDown, Search, UserRound } from 'lucide-vue-next';
+import { computed, nextTick, ref, watch } from 'vue';
 import UserAvatar from '@/components/ui/avatar/UserAvatar.vue';
 import {
     DropdownMenu,
@@ -15,13 +15,65 @@ const props = withDefaults(defineProps<UserSelectDropdownProps>(), {
 });
 
 const emit = defineEmits<UserSelectDropdownEmits>();
+const maximumVisibleOptions = 12;
+const isOpen = ref(false);
+const searchInput = ref<HTMLInputElement | null>(null);
+const searchQuery = ref('');
 
 const normalizedValue = computed(() => String(props.modelValue ?? ''));
+const normalizedSearchQuery = computed(() =>
+    searchQuery.value.trim().toLocaleLowerCase(),
+);
 const selectedUser = computed(
     () =>
         props.users.find((user) => String(user.id) === normalizedValue.value) ??
         null,
 );
+const showEmptyOption = computed(
+    () =>
+        normalizedSearchQuery.value === '' ||
+        props.emptyLabel
+            .toLocaleLowerCase()
+            .includes(normalizedSearchQuery.value),
+);
+const visibleUsers = computed(() => {
+    const query = normalizedSearchQuery.value;
+    const maximumVisibleUsers = Math.max(
+        0,
+        maximumVisibleOptions - (showEmptyOption.value ? 1 : 0),
+    );
+
+    return props.users
+        .filter((user) => {
+            if (query === '') {
+                return true;
+            }
+
+            return [user.name, user.email].some((value) =>
+                value?.toLocaleLowerCase().includes(query),
+            );
+        })
+        .slice(0, maximumVisibleUsers);
+});
+
+watch(isOpen, (open) => {
+    searchQuery.value = '';
+
+    if (open) {
+        void nextTick(() => searchInput.value?.focus());
+    }
+});
+
+const focusSearch = (event: Event): void => {
+    event.preventDefault();
+    void nextTick(() => searchInput.value?.focus());
+};
+
+const handleSearchKeydown = (event: KeyboardEvent): void => {
+    if (event.key !== 'Escape' && event.key !== 'Tab') {
+        event.stopPropagation();
+    }
+};
 
 const selectUser = (value: string): void => {
     if (!props.editable || value === normalizedValue.value) {
@@ -36,7 +88,7 @@ const selectUser = (value: string): void => {
 </script>
 
 <template>
-    <DropdownMenu v-if="editable">
+    <DropdownMenu v-if="editable" v-model:open="isOpen">
         <DropdownMenuTrigger as-child>
             <button
                 type="button"
@@ -67,8 +119,27 @@ const selectUser = (value: string): void => {
             align="end"
             :side-offset="6"
             class="w-(--reka-dropdown-menu-trigger-width) min-w-64 rounded p-1"
+            @open-auto-focus="focusSearch"
         >
+            <div
+                class="border-outline-variant bg-surface-container-low mb-1 flex items-center gap-2 rounded border px-2.5 py-2"
+                @click.stop
+                @pointerdown.stop
+            >
+                <Search class="text-muted-foreground size-3.5 shrink-0" />
+                <input
+                    ref="searchInput"
+                    v-model="searchQuery"
+                    type="search"
+                    class="placeholder:text-muted-foreground min-w-0 flex-1 border-0 bg-transparent p-0 text-sm outline-none"
+                    :placeholder="`Search ${label.toLocaleLowerCase()}...`"
+                    :aria-label="`Search ${label}`"
+                    @keydown="handleSearchKeydown"
+                />
+            </div>
+
             <DropdownMenuItem
+                v-if="showEmptyOption"
                 class="hover:bg-primary/[0.04] focus:bg-primary/[0.08] cursor-pointer gap-2.5 rounded px-2 py-2"
                 :class="
                     normalizedValue === ''
@@ -92,7 +163,7 @@ const selectUser = (value: string): void => {
             </DropdownMenuItem>
 
             <DropdownMenuItem
-                v-for="user in users"
+                v-for="user in visibleUsers"
                 :key="user.id"
                 class="hover:bg-primary/[0.04] focus:bg-primary/[0.08] cursor-pointer gap-2.5 rounded px-2 py-2"
                 :class="
@@ -119,6 +190,13 @@ const selectUser = (value: string): void => {
                     class="text-primary size-4 shrink-0"
                 />
             </DropdownMenuItem>
+
+            <p
+                v-if="!showEmptyOption && visibleUsers.length === 0"
+                class="text-muted-foreground px-2 py-4 text-center text-xs"
+            >
+                No matching {{ label.toLocaleLowerCase() }} found.
+            </p>
         </DropdownMenuContent>
     </DropdownMenu>