Apollo client query without hook

Apollo client query without hook. To preload queries, you first need to create a preload function with createQueryPreloader. ) is allowed within updateCache . useFragment represents a lightweight live binding into the Apollo Client Cache and enables Apollo Client to broadcast very specific fragment results to individual components. The component takes in a query which is a GraphQL query, and optionally variables which is passed to the query. If the query is not utilized by a query hook in the default cacheTime of 5 minutes, the query will be garbage collected. I want to show a refresh button on screen whenever the data changes in the backend. This article describes best practices for testing React components that use Apollo Client. To run a query within a React component, call useQuery and pass it a GraphQL query string. In Apollo Client, the recommended way to send these followup queries is with the fetchMore function. Now that we've set up Apollo Client, we can integrate it into our React app. Let's take a look at these now. In the following course, we'll connect our app to live data using a REST data source and write our first resolvers to provide that data to clients. If you're just getting started with Apollo Client, we recommend refetching queries to update your cached If you query for data that's already present in your cache, Apollo Client can return that data without needing to fetch it over the network. Apollo Client is a library that helps us make requests and manage data in our frontend applications using GraphQL. Polling provides near-real-time synchronization with your server by causing a query to execute periodically at a specified interval. To consume a multipart subscription over HTTP in an app using Relay or urql, Apollo Client provides network layer adapters that handle the parsing of the multipart response format. However, in some parts of my app I need to do a mutation on the GraphQL data, in such a way that the interface should not be exposed to the user. Apollo Client supports two strategies for this: polling and refetching When using Apollo Link, you define network behavior as a collection of link objects that execute in sequence to control the flow of data. By default, Apollo Client uses Apollo Link 's HttpLink to send GraphQL queries over HTTP. If you need the query data to update when the cache updates, use useQuery, the Query component or the graphql HOC as indicated in the answer. We used React, Apollo Client, and the useQuery hook to perform a query on our GraphQL server and to display our tracks in a nice grid card layout. js. Apollo Link includes installable, premade links that support a variety of use cases. Relay Pagination always involves sending followup queries to your GraphQL server to obtain additional pages of results. Responding to cache resets. The useQueryReact hook is the primary API for executing queries in an Apollo application. Let's remove the mock todos data which was used to populate sample data. The second file, gql. JavaScript. apollo-cache-inmemory is needed to setup our own cache (which apollo-boost, in comparison, does automatically) apollo-link-ws is needed for communicating over websockets, which subscriptions require. You connect Apollo Client to React with the ApolloProvider component. It enables Apollo Client to broadcast specific fragment results to individual components. TLDR, What I try to do: How to handle multiple queries depending on each other. 1- fetch data with useQuery on initial render 2- fetch data with useLazyQuery based on a query contained in the previously fetch data Sep 1, 2020 · When React mounts and renders a component that calls the useQuery hook, Apollo Client automatically executes the specified query. I tried to put a “dummy” query in my second call while waiting for my data and reset it before I use the useLazyQuery getData() callback but I can’t get it to work. While Apollo Client works very well with other frameworks, such as Vue. Jul 18, 2021 · All we need to do is to call . It comes with a powerful cache and state management capabilities that make it a natural partner for our React app! Jun 28, 2021 · In this example you need to get the ID first so you can then use it to find the birthday in the second query. A great case is a quick search component that allows users to search for products in an eCommerce store. Here my issues begin. Learn how to set Apollo Client up manually in our Apollo Boost migration guide. For more information, see Configuring the cache. This lets us use React Hooks to bind the results of GraphQL queries directly to our UI. You can register callback functions that execute whenever client. Jun 15, 2023 · The useFragment hook: create a live binding into the Apollo Client cache for a GraphQL fragment. The useFragment hook represents a lightweight live binding into the Apollo Client Cache. This command will install some dependencies into our project, and we'll use the js-cookie library to store and retrieve data in our browser's storage. 0-rc-4. To do so, call client. setQueriesData instead. In the previous section, we learned how to fetch a sample query with Apollo Client without using a view integration. In this section, we'll learn how to use the useQuery hook from @apollo/react-hooks to fetch more complex queries and execute features like pagination. Because they're separate from the cache, reactive variables can store data of any type and structure, and you can interact with them anywhere in your application without using GraphQL syntax. Transforming cached data to suit your client's needs, such as rounding floating-point values to the nearest integer; Deriving local-only fields from one or more schema fields on the same object (such as deriving an age field from a birthDate field) IMHO, one of the most neat solutions is described in the Apollo Client React implementation. Other than structural differences (e. Using Apollo Client with your view layer Integrating with React Native Loading queries with Webpack In previous versions of Apollo Client, render prop components (Query, Mutation and Subscription) could be extended to add additional type information: TypeScript 1 Sep 29, 2022 · When React renders a component that calls the useQuery hook, the Apollo Client runs the query automatically, but sometimes you need to query for data on some event. Apr 29, 2020 · React-Apollo: In apollo's documentation, it shows that there's a skip option you can add: useQuery(query,{skip:someState===someValue}) Otherwise, you can also useLazyQuery if you want to have a query that you run when you desire it to be run rather than immediately. To use Apollo in a vanilla JS project, you instead need to use the entry point @apollo/client/core: import { ApolloClient, gql, InMemoryCache } from "@apollo/client/core"; This is documented, but was a little hard to find within the Apollo 3. When your component renders, useQuery returns an object from Apollo Client that contains loading, error, and data properties you can use to render your UI. Apollo Client automatically sends the required headers with the request if the terminating HTTPLink is passed a subscription operation. Jul 7, 2020 · Star 19. To update multiple queries at once and match query keys partially, you need to use queryClient. Now install Apollo Client and "Js-cookies" packages: yarn add @apollo/client js-cookie. – Jul 10, 2019 · When React mounts and renders a component that calls the useQuery hook, Apollo Client automatically executes the specified query. I have to use apollo client without react component , it means that I cannot use useApolloClient hook and withApollo HOC. clearStore() instead of client. The basic idea is to wrap your queries into nested Query components. Using GraphQL fragments: readFragment / writeFragment / updateFragment / useFragment: Access the fields of any cached object without composing an entire query to reach that object. onResetStore and pass in your callback. Get started! Core features. The data is retrieved using Apollo Client query. useFragment never triggers network requests of its own. Updating cached query results. js file in the client/src/pages folder. Every test for a React component that uses Apollo Client must make Apollo Client available on React's context. In Feb 13, 2020 · That hook looks correct, so I suspect it's either a bug with react-apollo or something else is going on with your code. You can also create your own Remember that we wrapped our App component with <ApolloProvider> and passed client as a prop. Create an InMemoryCache object and provide it to the ApolloClient constructor, like so: Jul 7, 2022 · I don't know if my issue is only related to Apollo or to the relation between react and Apollo hooks. Slightly stale data is acceptable in many cases, but we definitely want our user's list of booked trips to be up to date. In main. And all filters and text in the search are save in local storage. The core @apollo/client library provides built-in integration with React, and the larger Apollo community maintains integrations for other popular view layers. How to use apollo client without/outside component? #6554. We can instruct Apollo Client to execute all of the queries required by the tree's components with the getDataFromTree function. 0, queries can be initiated outside of React. apolloClient. 0 without react/hooks? How I should call query or mutation without react? Step 4: Connect your client to React. My issue is that I would like to have a combination of a “suspense query” with a “lazy query”: i. This is an advanced feature that Apollo Boost does not support. However, we recommend using keyArgs instead, because you can achieve the same effect with a single keyArgs configuration, whereas you need to include the @connection directive in every query you send to your server. baeharam commented Jul 7, 2020 •. This allows your app to begin fetching data before React renders your components, and can provide performance benefits. 8. Polling. The cache that Apollo Client should use to store query results locally. Aug 5, 2020 · Hello, Is way how use apollo-client 3. This refetches any queries that depend on Query. However, this method increases in complexity as your mutations become more complex. Now, I face a scenario whereby I need to forego useQuery and use Apollo Client's query for enhanced flexibility. Closed. Overview Aug 2, 2023 · Hello! Please help a newcomer to Apollo. 0 migration guide. query on our apollo client instance. A quick note about this example, this is only demonstrating a case for this post but generally, if you are using Apollo GraphQL in this situation then you would expect the first query to also return the birthday and you wouldn’t make two requests here. useQuery React hook is using the same client. g. Oct 1, 2021 · There are several places in the app where specific query is refetched after different mutations. First, let's summarize how we currently fetch data with Apollo and React. ; Pass false directly, and it correctly triggers an HTTP request. Caching query results is handy and easy to do, but sometimes you want to make sure that cached data is up to date with your server. query takes only one parameter - the options objects), is it safe to use one over the other? To reset the cache without refetching active queries, use client. Example: // Some component const [setUserLocation, setUserLocationResult] = useMutation( Because our app uses Apollo Client, some of the components in the React tree probably execute a GraphQL query with the useQuery hook. Open up the track. 0. watchQuery, and it's also provided by the useQuery hook: To help prepare all of our queries for this journey to the server, we're going to use Apollo Client. Similar to React's Context. modify: Manipulate cached data without using GraphQL at Jul 4, 2020 · graphql-tag is integrated into apollo-boost, but not included in apollo-client. To learn how to interact with cached data, see Reading and writing data to the cache. For that I am using poll interval in the graphql query to fetch data every 5 minutes. Jul 10, 2020 · If you need to mock other methods too (like fetchMore, useMutation), or directly mock queries performed through client. useQuery accepts two parameters, whereas client. This hook returns an always-up-to-date view of whatever data the cache currently contains for a given fragment. Working with the useQuery React Hook. . ; Pass a variable with a true value, and it correctly skips. Use cases: Pass true directly, and it correctly skips. useQuery フック The QueryResultProvider component is used to wrap a component tree, providing it with the context for a specific GraphQL query. js and Angular, React developers have Apollo Client Hooks, and so they can’t help but enjoy building a great app. Creating a new Apollo Client (basic setup) The most Jun 4, 2020 · Install & Configure Apollo Client: Without React Hooks: The useQuery React hook is for executing queries in Apollo Applications, call useQuery and pass it a GraphQL query string. By default, Apollo Client uses Apollo Link 's HttpLink to send GraphQL operations to a remote server over HTTP. I’m using apollo-client in a React app. query({ query: MyQuery, variables: { }, otherOptions }) To set this up so we can work with both hooks and without hooks, we need to make sure we can call our apollo client from anywhere in our codebase. Using closure functions as component children makes it handy to delegate the results of one query down into another query and so on. edited. With the Apollo client and React, you can query your GraphQL server in various ways. If your mutation returns all of the objects and fields that it modified, you can update your cache directly without making any followup network requests. Oct 16, 2020 · I have a table showing data from server. query, you can do that too. Directly modifying cached fields: cache. Some of Apollo Client 's core capabilities include: Declarative data fetching: Write a query and receive data without manually tracking loading states. ts , however, we'll see something really interesting - towards the bottom of the file, we can find the three types that we defined in Apollo Client supports two strategies for this: polling and refetching. To enable polling for a query, pass a pollInterval configuration option to the useQuery hook with an interval in milliseconds: Starting with Apollo Client 3. When we jump into graphql. I’m using the latest RC with the hot new useSuspenseQuery. In this post we cover how to use apollo client without hooks (useQuery, and useMutation) When using apollo client in a ReactJS application to make GraphQL network requests a common way to do this is to use the built in React hooks, useQuery and useMutation. But, The React library does not, however, contain Hooks for executing GraphQL queries and mutations in the Apollo client. Apollo client API. It uses the useQuery hook from the Apollo Client to execute the query and get the query data, loading, and Apr 25, 2023 · The only difference is that we place the @client directive after the field name to specify that Apollo must resolve the query on the client. e. What am doing wrong for the second test? Nov 8, 2020 · With all the power that apollo-client brings to your application development and environment, there are very minimal challenges that you need to answer, like managing variables of a graphql query. A common use case for subscriptions is notifying the client side about particular events, for example the creation of a new object, updated fields and so on. query unless you need to fetch a query exactly once. My first test is passing but the second one is failing. But what if you want to execute a query in response to a different event, such as a user clicking a button? The useLazyQuery hook is perfect for executing queries in response to events other than component rendering Jul 29, 2020 · The amazing features of Apollo Client, such as the Optimistic UI and pagination, make building client-side apps a reality. The recommended cache is InMemoryCache, which is provided by the @apollo/client package. The @connection directive is a Relay-inspired convention that Apollo Client supports. But what if you want to execute a query in response to a different event, such as a user clicking a button? The useLazyQuery hook is New in Apollo Client 3, reactive variables are a useful mechanism for representing local state outside of the Apollo Client cache. This function is a member of the ObservableQuery object returned by client. resetStore(). someRootField, without requiring you to know in advance which queries might be included. The table and the fetch works like: read from localstorage, build variables for fetch (offset, limit, ) fetch with variables Mar 4, 2020 · I'm running into an issue where running a query with the useQuery Apollo hook works fine, but if I use the useApolloClient hook to get the instance of ApolloClient and then call the client's query Feb 17, 2024 · Then two more packages are needed “graphql” and “apollo-client”. The MockedProvider component. As you obviously know query variables are equivalent to the REST's post method payload, which you would've sent to the server as parameters which This is the Apollo cache at work! Next, let's learn some techniques for ensuring that our cached data is fresh. I Other use cases for a read function include:. and if the same request is made again it will take the response from the cache without using the Custom Query Hook. Oct 17, 2019 · @Roel As an aside, you should avoid using client. Jul 6, 2021 · I have a React app that uses Apollo client to fetch the data from backend using useQuery() hook. The examples below use Jest and React Testing Library, but the concepts apply to any testing framework. This post has some more details about mocking each one of them. Integrate with React. 10 m. Any combination of cache operations ( writeQuery , writeFragment , modify , evict , etc. I'm using @apollo/client: ^3. Fetching data with queries. If you log the value of id to the console inside the component, is it defined? – Daniel Rearden May 4, 2022 · I was struggling with a test issue for my custom useLazyQuery hook. Initialization. Copy Jul 8, 2022 · Hi everyone, I try to use the useLazyQuery hook with dynamic tag and variables without success so far ! I have a first useQuery who fetch some objects that contain the query I need in my second call. The table has multiple filters and a search box. Provider, ApolloProvider wraps your React app and places Apollo Client on the context, enabling you to access it from anywhere in your component tree. However , cached data can become stale. We are importing the useQuery React hook from @apollo/client and the graphql query we defined above to fetch the todo data. This article describes cache setup and configuration. This allows Apollo Client to broadcast specific fragment results to individual React components so child components can re-render without needing to re-render the parent. 9. To make a call from our client to the GraphQL server, as you'll remember from Lift-off I, we need to make use of Apollo Client 's useQuery hook. Aug 27, 2019 · 13. Use standard GraphQL queries for managing both remote and local data. I would like to have a query that is not executed automatically on render, instead waiting for the code to trigger it explicitly (because I want Apr 4, 2023 · Clean it up, navigate to the root level of your project, and create a new file called Apollo-client. baeharam opened this issue Jul 7, 2020 · 5 comments. This works by using the cache type and field policies to define how a specific field in our Apollo Client cache is read and written to. Usage with Relay or urql. ts, contains the gql function we asked GraphQL Code Generator to create to help parse GraphQL queries so they can be used by a GraphQL client, like Apollo Client. resetStore is called. 3k. Apollo Client takes care of creating this default link, and it covers many use cases without requiring additional customization. jsx, let's wrap our React app with an ApolloProvider. We'll be using this hook inside the Track component. I am attempting to use the Apollo GraphQL Client for React Native. fidsnw lqleu oesyjcn rwgtra xrtkkfq yaftpd xxii xvnr qsrz zhwqvj