import{ QueryClient, MutationCache }from'@tanstack/react-query' // 创建 MutationCache 并提供回调函数 constmutationCache =newMutationCache({ onSuccess:(data, variables, context, mutation) =>{ console.log('Mutation was successful'); if(Array.isArray(mutation?.meta?.awaits)) { returnqueryClient....
Unlike queries, mutations are typically used to create/update/delete data or perform server side-effects. For this purpose, TanStack Query exports a useMutation hook. Here's an example of a mutation t...
import { useMutation, useMutationState } from '@tanstack/react-query' const mutationKey = ['posts'] // Some mutation that we want to get the state for const mutation = useMutation({ mutationKey, mutationFn: (newPost) => { return axios.post('/posts', newPost) }, }) const data = ...
React Query provides two ways to optimistically update your UI before a mutation has completed. You can either use the onMutate option to update your cache directly, or leverage the returned variables...
TanStack Query使用总结 TanStack Query 是一个开源、功能齐全、支持 TypeScript 的库,非常适合用于处理客户端状态,处理异步或服务器状态。它支持React,Vue,Svelte,Solid框架,大多时候我们都会我们使用的框架把它叫做vue-query或者react-query。 特点: 非常好用的query库,目的是为了缓存后端api的结果,不用像以前一样,...
React Query (TanStack): 优化的数据抓取:React Query 专门用于管理来自服务器的数据(这些数据可能与 UI 状态不同步,因此需要管理)。它可以自动处理数据的获取、缓存、同步和更新,从而节省大量样板代码的编写。 缓存和后台刷新:React Query 自动缓存数据,并可以在后台刷新数据以确保数据保持最新,从而减少手动更新的需要...
The useExactMutationState hook is built on top of React Query's useMutationState hook. The useExactMutationState hook provides a type-safe API for tracking mutations for a given mutationKey provided by query-stuff. Setup: import { factory } from "query-stuff"; const todos = factory("todos",...
return useIsMutating({ mutationKey: ['testChunk'] }) > 0; }; 3. queryClient.getQueryData与useQuery获取共享数据的区别 比如页面加载的时候使用useQuery请求到了数据,被@tanstack/react-query缓存了起来,在其他组件里想拿到该数据,通常会直接调用useQuery获取数据,但是在项目里出了问题,如下图,我在两个节...
TanStackQueryv5 Auto Framework React Version This code snippet very briefly illustrates the 3 core concepts of React Query: Queries Mutations Query Invalidation If you're looking for a fully functioning example, please have a look at oursimple StackBlitz example ...
QueryClient에서 모든 query 또는 mutation에 기본 옵션을 추가할 수 있으며, 종류가 상당하므로 공식 문서를 참고해 보자.import { QueryClient, QueryClientProvider } from "@tanstack/react-query"; const queryClient = new QueryClient...