From 5557ecf52bb295b0ad040cc9068122a0521ebc6b Mon Sep 17 00:00:00 2001
From: burakovec <burakovec@outlook.com>
Date: Tue, 31 Mar 2026 09:46:24 +0300
Subject: [PATCH] Enhance FormSelect component by adding search prompt for
 large lists and implementing debounced search functionality. Introduce new
 props for search configuration, improving user experience and performance
 during data selection.

---
 src/components/global/FormSelect.vue | 49 +++++++++++++++++++++++++---
 1 file changed, 45 insertions(+), 4 deletions(-)

diff --git a/src/components/global/FormSelect.vue b/src/components/global/FormSelect.vue
index 4c892f8..37b6c8b 100644
--- a/src/components/global/FormSelect.vue
+++ b/src/components/global/FormSelect.vue
@@ -59,6 +59,12 @@
               <span>Sonuç Bulunamadı</span>
             </div>
             <template v-else>
+              <div class="form-select-list-item" v-if="showSearchPrompt">
+                <span>
+                  İlk {{ selectList.length }} kayıt gösteriliyor. Daha fazla sonuç için en az
+                  {{ props.minSearchLength }} harf yazın.
+                </span>
+              </div>
               <div
                 class="form-select-list-item"
                 v-if="multiple"
@@ -104,7 +110,7 @@
   </div>
 </template>
 <script setup lang="ts">
-  import { ref, reactive, computed, onMounted, watch } from 'vue'
+  import { ref, reactive, computed, onMounted, onUnmounted, watch } from 'vue'
   import { useGlobalStore } from '@/stores/globalStore'
   const globalStore = useGlobalStore()
 
@@ -129,6 +135,10 @@
     multipleText?: string
     view?: Function
     disabledClass?: string
+    largeListThreshold?: number
+    initialDisplayLimit?: number
+    minSearchLength?: number
+    searchDebounceMs?: number
   }
 
   const props = withDefaults(defineProps<Props>(), {
@@ -139,7 +149,11 @@
     clearable: false,
     extraData: '',
     multiple: false,
-    multipleText: 'Tümü'
+    multipleText: 'Tümü',
+    largeListThreshold: 100,
+    initialDisplayLimit: 100,
+    minSearchLength: 2,
+    searchDebounceMs: 120
   })
 
   const emit = defineEmits(['update:modelValue', 'change', 'clear'])
@@ -147,9 +161,11 @@
   const activated = ref<Boolean>(false)
   const multipleAllSelected = ref<boolean>(false)
   const q = ref<string>('')
+  const debouncedQuery = ref<string>('')
   const rnd = ref<number>(Number(Math.floor(Math.random() * 1000000000)))
   const localValue = ref<string | number | boolean | null | string[]>()
   const selectedOption = ref<Record<string, any>>({})
+  let searchDebounceTimer: ReturnType<typeof setTimeout> | undefined
 
   if (props.multiple) {
     if (props.modelValue === null || props.modelValue === undefined) {
@@ -225,12 +241,24 @@
     }
   })
 
+  const isLargeList = computed<boolean>(() => {
+    return props.listData.length > props.largeListThreshold
+  })
+
+  const showSearchPrompt = computed<boolean>(() => {
+    return isLargeList.value && debouncedQuery.value.length < props.minSearchLength
+  })
+
   const selectList = computed<Record<string, any>[]>(() => {
-    if (q.value.length > 1) {
+    if (debouncedQuery.value.length >= props.minSearchLength) {
       return props.listData.filter((v: Record<string, any>) => {
         let val = props.listText !== undefined ? v[props.listText] : v
-        return globalStore.trToUpper(val).includes(globalStore.trToUpper(q.value))
+        return globalStore
+          .trToUpper(String(val))
+          .includes(globalStore.trToUpper(debouncedQuery.value))
       })
+    } else if (isLargeList.value) {
+      return props.listData.slice(0, props.initialDisplayLimit)
     } else {
       return props.listData
     }
@@ -308,6 +336,7 @@
     if (props.disabled) return
     e.stopPropagation()
     q.value = ''
+    debouncedQuery.value = ''
     activated.value = true
 
     setTimeout(() => {
@@ -368,6 +397,18 @@
     SetSelectedOption()
   })
 
+  onUnmounted(() => {
+    if (searchDebounceTimer !== undefined) clearTimeout(searchDebounceTimer)
+    document.removeEventListener('click', closeList)
+  })
+
+  watch(q, (value: string) => {
+    if (searchDebounceTimer !== undefined) clearTimeout(searchDebounceTimer)
+    searchDebounceTimer = setTimeout(() => {
+      debouncedQuery.value = value.trim()
+    }, props.searchDebounceMs)
+  })
+
   watch(
     () => props.invalidText,
     () => {