From a43b6a0ed0f0b2c6ee1165c7d598bdc29d336d9d Mon Sep 17 00:00:00 2001
From: jam-jang <jamesjang0622@naver.com>
Date: Fri, 22 Aug 2025 10:05:45 +0900
Subject: [PATCH] final

---
 src/components/CategorySlider.tsx | 58 +++++++++++++++++++++++--------
 1 file changed, 44 insertions(+), 14 deletions(-)

diff --git a/src/components/CategorySlider.tsx b/src/components/CategorySlider.tsx
index 7693e05..f331a5e 100644
--- a/src/components/CategorySlider.tsx
+++ b/src/components/CategorySlider.tsx
@@ -1,5 +1,5 @@
 // src/components/CategorySlider.tsx
-import React, { useEffect, useMemo, useRef } from 'react';
+import React, { useEffect, useMemo, useRef, useState, useCallback } from 'react';
 import { Swiper, SwiperSlide } from 'swiper/react';
 import type { Swiper as SwiperCore } from 'swiper';
 import 'swiper/css';
@@ -18,18 +18,48 @@ export default function CategorySlider({
 }: CategorySliderProps) {
   const swiperRef = useRef<SwiperCore | null>(null);
 
-  // 현재 선택된 카테고리의 인덱스 계산
+  // 드래그와 클릭 구분용 플래그
+  const [isDragging, setIsDragging] = useState(false);
+  const dragTimerRef = useRef<number | null>(null);
+
+  const setDraggingSafely = useCallback((val: boolean) => {
+    setIsDragging(val);
+    if (dragTimerRef.current) {
+      window.clearTimeout(dragTimerRef.current);
+      dragTimerRef.current = null;
+    }
+    if (!val) return;
+    // 드래그 종료 후 아주 짧게만 드래그 상태 유지했다가 해제
+    dragTimerRef.current = window.setTimeout(() => {
+      setIsDragging(false);
+      dragTimerRef.current = null;
+    }, 80);
+  }, []);
+
+  // 현재 선택된 카테고리의 인덱스 계산 (컨트롤드)
   const selectedIndex = useMemo(() => {
-    const idx = categories.findIndex(c => c.label === selectedCategory);
+    const idx = categories.findIndex((c) => c.label === selectedCategory);
     return idx >= 0 ? idx : 0;
   }, [categories, selectedCategory]);
 
-  // 선택 변경 시 해당 슬라이드로 이동
+  // 선택 변경 시 해당 슬라이드로 이동 (애니메이션 0으로 튀는 문제 방지 위해 살짝만)
   useEffect(() => {
     if (!swiperRef.current) return;
-    swiperRef.current.slideTo(selectedIndex, 0); 
+    // 이미 그 위치면 noop
+    if (swiperRef.current.activeIndex !== selectedIndex) {
+      swiperRef.current.slideTo(selectedIndex, 150); // 0 -> 150ms로 부드럽게
+    }
   }, [selectedIndex]);
 
+  // 클릭 핸들러 (드래그 중 클릭 무시)
+  const handleClick = useCallback(
+    (label: string) => {
+      if (isDragging) return;
+      onSelect(label); // ← 즉시 1회 호출 (컨트롤드 상위에서 상태/URL 동기화)
+    },
+    [isDragging, onSelect]
+  );
+
   return (
     <div className="w-full px-4 box-border">
       <Swiper
@@ -37,15 +67,17 @@ export default function CategorySlider({
         slidesPerView="auto"
         className="no-scrollbar"
         onSwiper={(swiper) => (swiperRef.current = swiper)}
+        // 드래그 감지
+        onTouchMove={() => setDraggingSafely(true)}
+        onTouchEnd={() => setDraggingSafely(false)}
+        onSliderFirstMove={() => setDraggingSafely(true)}
+        onTransitionEnd={() => setDraggingSafely(false)}
       >
         {categories.map((category) => (
-          <SwiperSlide
-            key={category.label}
-            style={{ width: 'auto' }}
-          >
+          <SwiperSlide key={category.label} style={{ width: 'auto' }}>
             <button
               type="button"
-              onClick={() => onSelect(category.label)}
+              onClick={() => handleClick(category.label)}
               className={`
                 flex flex-col items-center
                 px-2 pt-2 pb-2 max-[480px]:min-h-[84px]
@@ -53,11 +85,9 @@ export default function CategorySlider({
                   ? 'text-[#F56156] font-bold'
                   : 'text-[#7D7D7D]'}
               `}
+              aria-pressed={selectedCategory === category.label}
             >
-              <CategoryGridItem
-                icon={category.icon}
-                label={category.label}
-              />
+              <CategoryGridItem icon={category.icon} label={category.label} />
             </button>
           </SwiperSlide>
         ))}