| id: infinite-queries | |
| title: Infinite Queries | |
| ref: docs/framework/react/guides/infinite-queries.md | |
| [//]: # 'Example' | |
| ```vue | |
| <script setup> | |
| import { useInfiniteQuery } from '@tanstack/vue-query' | |
| const fetchProjects = async ({ pageParam = 0 }) => { | |
| const res = await fetch('/api/projects?cursor=' + pageParam) | |
| return res.json() | |
| } | |
| const { | |
| data, | |
| error, | |
| fetchNextPage, | |
| hasNextPage, | |
| isFetching, | |
| isFetchingNextPage, | |
| isPending, | |
| isError, | |
| } = useInfiniteQuery({ | |
| queryKey: ['projects'], | |
| queryFn: fetchProjects, | |
| getNextPageParam: (lastPage, pages) => lastPage.nextCursor, | |
| }) | |
| </script> | |
| <template> | |
| <span v-if="isPending">Loading...</span> | |
| <span v-else-if="isError">Error: {{ error.message }}</span> | |
| <div v-else-if="data"> | |
| <span v-if="isFetching && !isFetchingNextPage">Fetching...</span> | |
| <ul v-for="(group, index) in data.pages" :key="index"> | |
| <li v-for="project in group.projects" :key="project.id"> | |
| {{ project.name }} | |
| </li> | |
| </ul> | |
| <button | |
| @click="() => fetchNextPage()" | |
| :disabled="!hasNextPage || isFetchingNextPage" | |
| > | |
| <span v-if="isFetchingNextPage">Loading more...</span> | |
| <span v-else-if="hasNextPage">Load More</span> | |
| <span v-else>Nothing more to load</span> | |
| </button> | |
| </div> | |
| </template> | |
| ``` | |
| [//]: # 'Example' | |