Feat: Add infinite scroll in attraction list

src/components/common/KakaoMap.vue

@@ -31,7 +31,10 @@ onMounted(() => {
     setTarget(newMarkers[0].getPosition());
   });
 
-  watch(target, (newTarget) => {
+  watch(target, (newTarget, oldTarget) => {
+    if (oldTarget && newTarget.La === oldTarget.La && newTarget.Ma === oldTarget.Ma) {
+      return;
+    }
     map.panTo(newTarget);
   });
 });

src/components/common/PageNavigation.vue

@@ -1,65 +0,0 @@
-<script setup>
-import { computed } from 'vue'
-
-const props = defineProps({ currentPage: Number, totalPage: Number })
-const emit = defineEmits(['pageChange'])
-
-// const navigationSize = parseInt(import.meta.env.VITE_ARTICLE_NAVIGATION_SIZE)
-const navigationSize = 5
-
-const startPage = computed(() => {
-  return parseInt((props.currentPage - 1) / navigationSize) * navigationSize + 1
-})
-
-const endPage = computed(() => {
-  let lastPage =
-    parseInt((props.currentPage - 1) / navigationSize) * navigationSize + navigationSize
-  return props.totalPage < lastPage ? props.totalPage : lastPage
-})
-
-const endRange = computed(() => {
-  return parseInt((props.totalPage - 1) / navigationSize) * navigationSize < props.currentPage
-})
-
-function range(start, end) {
-  const list = []
-  for (let i = start; i <= end; i++) list.push(i)
-  return list
-  //   return Array(end - start + 1)
-  //     .fill()
-  //     .map((val, i) => start + i);
-}
-
-function onPageChange(pg) {
-  console.log(pg + '로 이동!!!')
-  emit('pageChange', pg)
-}
-</script>
-
-<template>
-  <div class="row">
-    <ul class="pagination justify-content-center">
-      <li class="page-item">
-        <a class="page-link" @click="onPageChange(1)">최신</a>
-      </li>
-      <li class="page-item">
-        <a class="page-link" @click="onPageChange(startPage == 1 ? 1 : startPage - 1)">이전</a>
-      </li>
-      <template v-for="pg in range(startPage, endPage)" :key="pg">
-        <li :class="currentPage === pg ? 'page-item active' : 'page-item'">
-          <a class="page-link" @click="onPageChange(pg)">{{ pg }}</a>
-        </li>
-      </template>
-      <li class="page-item">
-        <a class="page-link" @click="onPageChange(endRange ? totalPage : endPage + 1)">다음</a>
-      </li>
-      <li class="page-item"><a class="page-link" @click="onPageChange(totalPage)">마지막</a></li>
-    </ul>
-  </div>
-</template>
-
-<style scoped>
-a {
-  cursor: pointer;
-}
-</style>

src/components/search/SearchBar.vue

@@ -1,5 +1,5 @@
 <script setup>
-import { computed, ref, watch } from 'vue';
+import { ref, watch } from 'vue';
 import TextButton from '../common/TextButton.vue';
 import axios from 'axios';
 import Select from '../common/Select.vue';
@@ -15,21 +15,13 @@ const contentTypeList = [
   { value: 38, name: '쇼핑' },
   { value: 39, name: '음식점' },
 ];
-const { search } = useAttractionStore();
+const { search, setQueryString } = useAttractionStore();
 const sidoList = ref([]);
 const gugunList = ref([]);
 const sido = ref({ sidoCode: 0 });
 const gugun = ref({ gugunCode: 0 });
 const contentType = ref(contentTypeList[0]);
 const keyword = ref('');
-const searchQuery = computed(() => {
-  const { sidoCode } = sido.value;
-  const { gugunCode } = gugun.value;
-  const areaQuery = `sidoCode=${sidoCode}` + (sidoCode ? `&gugunCode=${gugunCode}` : '');
-  const keywordQuery = `title=${keyword.value}`;
-
-  return [areaQuery, keywordQuery].join('&');
-});
 
 watch(sido, ({ sidoCode }) => {
   axios.get(`//localhost:8000/area/gugun?sidoCode=${sidoCode}`).then(({ data }) => {
@@ -38,13 +30,18 @@ watch(sido, ({ sidoCode }) => {
 });
 
 if (sidoList.value.length === 0) {
-  axios.get('//localhost:8000/area/sido').then(({ data }) => {
-    sidoList.value = data;
-  });
+  axios.get('//localhost:8000/area/sido').then(({ data }) => (sidoList.value = data));
 }
 
 function handleSubmit() {
-  search(searchQuery.value);
+  const { sidoCode } = sido.value;
+  const { gugunCode } = gugun.value;
+  const areaQuery = `sidoCode=${sidoCode}` + (sidoCode ? `&gugunCode=${gugunCode}` : '');
+  const keywordQuery = `title=${keyword.value}`;
+  const queryString = [areaQuery, keywordQuery].join('&');
+
+  setQueryString(queryString);
+  search();
 }
 </script>
 
@@ -127,19 +124,3 @@ button {
   align-items: center;
 }
 </style>
-
-<style>
-/* .p-dropdown {
-  width: 100%;
-}
-.p-dropdown-items {
-  padding: 8px;
-}
-.p-dropdown-item {
-  padding: 4px 16px;
-}
-.p-dropdown-filter-container {
-  display: flex;
-  align-items: center;
-} */
-</style>

src/components/search/SideBar.vue

@@ -3,9 +3,27 @@ import { useAttractionStore } from '@/stores/attractionStore';
 import AttractionItem from './AttractionItem.vue';
 import SearchBar from './SearchBar.vue';
 import { storeToRefs } from 'pinia';
+import { onMounted, onUnmounted, ref } from 'vue';
 
 const attractionStore = useAttractionStore();
-const { attractionList } = storeToRefs(attractionStore);
+const { attractionList, page, hasNextPage } = storeToRefs(attractionStore);
+const observer = ref(null);
+const sentinal = ref(null);
+
+async function handleIntersect(entries) {
+  if (entries[0].isIntersecting && page.value && hasNextPage.value) {
+    await attractionStore.fetchNextPage();
+  }
+}
+
+onMounted(() => {
+  observer.value = new IntersectionObserver(handleIntersect, { threshold: 1 });
+  observer.value.observe(sentinal.value);
+});
+
+onUnmounted(() => {
+  observer.value.disconnect();
+});
 </script>
 
 <template>
@@ -15,6 +33,7 @@ const { attractionList } = storeToRefs(attractionStore);
       <li v-for="attraction in attractionList" :key="attraction.title">
         <AttractionItem :place="attraction" />
       </li>
+      <li ref="sentinal"></li>
     </ul>
   </div>
 </template>

src/stores/attractionStore.js

@@ -4,17 +4,45 @@ import { ref } from 'vue';
 
 export const useAttractionStore = defineStore('attraction', () => {
   const attractionList = ref([]);
+  const queryString = ref('');
+  const page = ref(0);
+  const hasNextPage = ref(true);
   const target = ref(null);
 
-  function search(queryString) {
-    searchAttarctions(queryString, ({ data }) => {
-      attractionList.value = data;
+  function setQueryString(value) {
+    queryString.value = value;
+  }
+
+  function search(preventClear = false) {
+    if (page.value === 0) {
+      page.value = 1;
+    }
+    const query = `${queryString.value}&page=${page.value}`;
+    searchAttarctions(query, ({ data }) => {
+      preventClear
+        ? (attractionList.value = [...attractionList.value, ...data])
+        : (attractionList.value = data);
     });
   }
 
+  function fetchNextPage() {
+    page.value += 1;
+    search(true);
+  }
+
   function setTarget(coords) {
     target.value = coords;
   }
 
-  return { attractionList, target, setTarget, search };
+  return {
+    attractionList,
+    queryString,
+    target,
+    setTarget,
+    page,
+    hasNextPage,
+    setQueryString,
+    search,
+    fetchNextPage,
+  };
 });