Feat: 마이리스트, 콜라보리스트 페이지 전체 리스트 조회 무한스크롤 구현

src/app/_api/list/getAllList.ts

@@ -1,12 +1,18 @@
 import axiosInstance from '@/lib/axios/axiosInstance';
 import { AllListType } from '@/lib/types/listType';
 
-export async function getAllList(userId: number, type: string, category?: string) {
-  const query = `${category ? `${category}` : 'entire'}`;
+export async function getAllList(userId: number, type: string, category: string, cursorId?: number) {
+  const params = new URLSearchParams({
+    type,
+    category,
+    size: '5',
+  });
 
-  const response = await axiosInstance.get<AllListType>(
-    `/users/${userId}/lists?type=${type}&category=${query}&size=10`
-  );
+  if (cursorId) {
+    params.append('cursorId', cursorId.toString());
+  }
+
+  const response = await axiosInstance.get<AllListType>(`/users/${userId}/lists?${params.toString()}`);
 
   return response.data;
 }

src/app/user/[userId]/_components/Card.css.ts

@@ -1,4 +1,5 @@
 import { style, createVar } from '@vanilla-extract/css';
+import { vars } from '@/styles/theme.css';
 
 export const listColor = createVar();
 
@@ -9,14 +10,15 @@ export const container = style({
 
   borderRadius: '1.5rem',
   backgroundColor: listColor,
+  border: `1px solid ${vars.color.gray5}`,
 });
 
 export const title = style({
   padding: '1.2rem 0 2rem 0',
 
   fontSize: '1.7rem',
   fontWeight: '600',
-  color: 'var(--text-text-grey-dark, #202020)',
+  color: vars.color.black,
   textAlign: 'right',
   letterSpacing: '-0.51px',
   wordBreak: 'keep-all',
@@ -28,7 +30,7 @@ export const list = style({
 
   fontSize: '1.2rem',
   fontWeight: '400',
-  color: 'var(--text-text-grey-dark, #202020)',
+  color: vars.color.black,
   lineHeight: '2.5rem',
   letterSpacing: '-0.36px',
 });
@@ -46,7 +48,7 @@ export const lockText = style({
   fontSize: '1.1rem',
   fontWeight: '400',
   letterSpacing: '-0.33px',
-  color: '#AFB1B6',
+  color: vars.color.gray7,
 });
 
 export const item = style({
@@ -58,3 +60,9 @@ export const item = style({
 export const rank = style({
   width: '1.2rem',
 });
+
+export const itemTitle = style({
+  overflow: 'hidden',
+  textOverflow: 'ellipsis',
+  whiteSpace: 'nowrap',
+});

src/app/user/[userId]/_components/Card.tsx

@@ -39,7 +39,7 @@ export default function Card({ list, isOwner }: CardProps) {
               {item.ranking}
               {'.'}
             </span>
-            <span>{item.title}</span>
+            <span className={styles.itemTitle}>{item.title}</span>
           </li>
         ))}
       </ul>

src/app/user/[userId]/_components/Categories.css.ts

@@ -1,4 +1,5 @@
 import { style } from '@vanilla-extract/css';
+import { vars } from '@/styles/theme.css';
 
 export const container = style({
   padding: '2.1rem 0 1.5rem 1.5rem',
@@ -17,19 +18,20 @@ export const container = style({
 export const button = style({
   padding: '0.8rem 1.2rem',
 
-  backgroundColor: '#FFF',
+  backgroundColor: vars.color.white,
   borderRadius: '5rem',
-  border: '1px solid #DEDEDE',
+  border: `1px solid ${vars.color.gray5}`,
 
+  /** TODO - 공용폰트 body large 적용 */
   fontSize: '1.6rem',
-  fontWeight: '500',
-  color: '#828282',
+  fontWeight: '400',
+  color: vars.color.gray9,
   letterSpacing: '-0.48px',
   whiteSpace: 'nowrap',
 });
 
 export const variant = style({
-  backgroundColor: '#0047FF',
-  color: '#FFF',
+  backgroundColor: vars.color.blue,
+  color: vars.color.white,
   border: 'none',
 });

src/app/user/[userId]/_components/Categories.tsx

@@ -5,7 +5,6 @@
  - [ ] 클릭했을때 로직 (상위요소에 핸들러 고민) (리팩토링)
  */
 
-import { useState } from 'react';
 import { useQuery } from '@tanstack/react-query';
 
 import * as styles from './Categories.css';
@@ -16,21 +15,17 @@ import { QUERY_KEYS } from '@/lib/constants/queryKeys';
 
 interface CategoriesProps {
   handleFetchListsOnCategory: (category: string) => void;
+  selectedCategory: string;
 }
 
-export const DEFAULT_CATEGORY = 'entire';
-
-export default function Categories({ handleFetchListsOnCategory }: CategoriesProps) {
-  const [selected, setSelected] = useState(DEFAULT_CATEGORY);
-
+export default function Categories({ handleFetchListsOnCategory, selectedCategory }: CategoriesProps) {
   const { data } = useQuery<CategoryType[]>({
     queryKey: [QUERY_KEYS.getCategories],
     queryFn: getCategories,
   });
 
   const handleChangeCategory = (category: string) => () => {
     handleFetchListsOnCategory(category);
-    setSelected(category);
   };
 
   return (
@@ -39,7 +34,7 @@ export default function Categories({ handleFetchListsOnCategory }: CategoriesPro
         <button
           key={category.codeValue}
           onClick={handleChangeCategory(category.nameValue)}
-          className={`${styles.button} ${category.nameValue === selected ? styles.variant : ''}`}
+          className={`${styles.button} ${category.nameValue === selectedCategory ? styles.variant : ''}`}
         >
           {category.korNameValue}
         </button>

src/app/user/[userId]/_components/Content.css.ts

@@ -1,4 +1,5 @@
 import { style, styleVariants } from '@vanilla-extract/css';
+import { vars } from '@/styles/theme.css';
 
 export const container = style({
   width: '100%',
@@ -7,7 +8,7 @@ export const container = style({
   position: 'absolute',
   top: 0,
 
-  backgroundColor: '#FFF',
+  backgroundColor: vars.color.white,
   borderTopLeftRadius: '2.5rem',
   borderTopRightRadius: '2.5rem',
 });
@@ -27,10 +28,11 @@ export const button = style({
   width: '100%',
   height: '100%',
 
-  backgroundColor: 'white',
+  backgroundColor: vars.color.white,
   borderTop: '1px solid rgba(0, 0, 0, 0.25)',
   borderBottom: '1px solid rgba(0, 0, 0, 0.10)',
 
+  /** TODO - 공용폰트 body large 적용 */
   fontSize: '1.6rem',
   fontWeight: '500',
 });
@@ -69,3 +71,7 @@ export const variantLine = styleVariants({
     },
   ],
 });
+
+export const target = style({
+  height: '1px',
+});

src/app/user/[userId]/_components/Content.tsx

@@ -2,13 +2,12 @@
 
 /**
  TODO
- - [ ] 무한스크롤 적용
  - [ ] 피드페이지 스켈레톤 ui 적용
  */
 
 import Link from 'next/link';
-import { useCallback, useEffect, useState } from 'react';
-import { useQuery } from '@tanstack/react-query';
+import { useEffect, useMemo, useState } from 'react';
+import { useInfiniteQuery, useQuery, useQueryClient } from '@tanstack/react-query';
 import { MasonryGrid } from '@egjs/react-grid';
 
 import * as styles from './Content.css';
@@ -23,42 +22,67 @@ import { getAllList } from '@/app/_api/list/getAllList';
 
 import { QUERY_KEYS } from '@/lib/constants/queryKeys';
 import { UserType } from '@/lib/types/userProfileType';
-import { ListType } from '@/lib/types/listType';
+import { AllListType } from '@/lib/types/listType';
+
+import useIntersectionObserver from '@/hooks/useIntersectionObserver';
 
 interface ContentProps {
   userId: number;
   type: string;
 }
 
+const DEFAULT_CATEGORY = 'entire';
+
 export default function Content({ userId, type }: ContentProps) {
-  const [listGrid, setListGrid] = useState<ListType[]>([]);
+  const queryClient = useQueryClient();
+  const [selectedCategory, setSelectedCategory] = useState(DEFAULT_CATEGORY);
 
   const { data: userData } = useQuery<UserType>({
     queryKey: [QUERY_KEYS.userOne, userId],
     queryFn: () => getUserOne(userId),
   });
 
-  /** 무한스크롤시 리액트 쿼리로 불러오는게 더 나을지에 대한 고민 때문에 주석처리 해 놓은 코드 */
-  // const { data: listData, refetch } = useQuery<AllListType>({
-  //   queryKey: [QUERY_KEYS.getAllList],
-  //   queryFn: () => getAllList(userId, type),
-  // });
-
-  const handleFetchLists = useCallback(
-    async (category?: string) => {
-      const data = await getAllList(userId, type, category);
-      setListGrid(data.feedLists);
+  const {
+    data: listsData,
+    hasNextPage,
+    fetchNextPage,
+    isFetching,
+  } = useInfiniteQuery<AllListType>({
+    queryKey: [QUERY_KEYS.getAllList, userId, type, selectedCategory],
+    queryFn: ({ pageParam: cursorId }) => {
+      return getAllList(userId, type, selectedCategory, cursorId as number);
     },
-    [userId, type]
-  );
+    initialPageParam: null,
+    getNextPageParam: (lastPage) => (lastPage.hasNext ? lastPage.cursorId : null),
+  });
 
-  const handleFetchListsOnCategory = async (category: string) => {
-    handleFetchLists(category);
+  const lists = useMemo(() => {
+    return listsData ? listsData.pages.flatMap(({ feedLists }) => feedLists) : [];
+  }, [listsData]);
+
+  const ref = useIntersectionObserver(() => {
+    if (hasNextPage) {
+      fetchNextPage();
+    }
+  });
+
+  const handleFetchListsOnCategory = (category: string) => {
+    setSelectedCategory(category);
+
+    queryClient.resetQueries({
+      queryKey: [QUERY_KEYS.getAllList, userId, type, selectedCategory],
+      exact: true,
+    });
   };
 
   useEffect(() => {
-    handleFetchLists();
-  }, [handleFetchLists]);
+    return () => {
+      queryClient.removeQueries({
+        queryKey: [QUERY_KEYS.getAllList, userId, type, selectedCategory],
+        exact: true,
+      });
+    };
+  }, []);
 
   return (
     <div className={styles.container}>
@@ -75,15 +99,16 @@ export default function Content({ userId, type }: ContentProps) {
       ) : (
         <BlueLineLongIcon className={styles.variantLine.right} />
       )}
-
-      <Categories handleFetchListsOnCategory={handleFetchListsOnCategory} />
+      <Categories handleFetchListsOnCategory={handleFetchListsOnCategory} selectedCategory={selectedCategory} />
       <div className={styles.cards}>
         <MasonryGrid gap={16} defaultDirection={'end'} align={'start'}>
-          {listGrid.map((list: ListType) => (
+          {lists.map((list) => (
             <Card key={list.id} list={list} isOwner={!!userData?.isOwner} />
           ))}
         </MasonryGrid>
       </div>
+      {isFetching && <div>로딩중</div>}
+      <div className={styles.target} ref={ref}></div>
     </div>
   );
 }

src/app/user/[userId]/_components/FollowButton.css.ts

@@ -1,12 +1,13 @@
 import { style } from '@vanilla-extract/css';
+import { vars } from '@/styles/theme.css';
 
 export const button = style({
   padding: '0.8rem 1.2rem',
 
-  backgroundColor: 'var(--Blue, #0047FF)',
+  backgroundColor: vars.color.blue,
   borderRadius: '5rem',
 
   fontSize: '1rem',
   fontWeight: '600',
-  color: '#fff',
+  color: vars.color.white,
 });

src/app/user/[userId]/_components/Profile.css.ts

@@ -1,4 +1,5 @@
 import { style, createVar } from '@vanilla-extract/css';
+import { vars } from '@/styles/theme.css';
 
 export const imageUrl = createVar();
 
@@ -48,7 +49,7 @@ export const profileImage = style({
   height: '5rem',
 
   borderRadius: '50%',
-  border: '2px solid #FFF',
+  border: `2px solid ${vars.color.white}`,
 });
 
 export const info = style({
@@ -66,7 +67,7 @@ export const user = style({
 export const nickName = style({
   fontSize: '2rem',
   fontWeight: ' 700',
-  color: '#202020',
+  color: vars.color.black,
   letterSpacing: '-0.6px',
 });
 
@@ -99,7 +100,7 @@ export const description = style({
 
   fontSize: '1.2rem',
   fontWeight: '500',
-  color: '#333',
+  color: vars.color.black,
   lineHeight: '1.6rem',
   letterSpacing: '-0.36px',
 });