Oct 16, 2020 · read from localstorage, build variables for fetch (offset, limit, ...) fetch with variables; when filters or search change, refetch with modified variables; also save the modified variables to localstorage; My question is: should I use useQuery or useLazyQuery for this purpose. With useQuery, I may could do: I have a code below where in I want to finish doSomethingFirst() before proceeding with the rest of the code: async doSomething() { const response = await doSomethingFirst(); // get the response Feb 7, 2021 · 1. Another thing to consider is the default configuration of you useQuery () hook which is provided by the QueryClient. For example rerendering on window focus is a default setting, which causes the hook to refetch and therefore rerender on every window focus (for example when clicking on devtools and click back into the DOM. Nov 5, 2020 · I have these 3 functions that need to run in order. However, since the first function has a loop in it, the 2nd and 3rd functions are finishing before the data from the 1st function is available. ... Dependent (or serial) queries depend on previous ones to finish before they can execute. To achieve this, it's as easy as using the enabled option to tell a query when it is ready to run: tsx. // Get the user. const { data: user } = useQuery({. queryKey: ['user', email], Nov 19, 2019 · List of Steps: Step 1: Fetch a query stage. const GetStage = useQuery (confirmStageQuery, { variables: { input: { id: getId.id } } }); Step 2: Based on the response that we get from GetStage, we would like to switch between 2 separate queries. Aug 20, 2019 · I think something like this would work - you will need to create the initial state with useState, could be empty array and then onComplete in the useQuery would setTranscationsData... it is triggered every render when state or props change. Could of course add an inital state inside useState which insn't an empty array. Jul 29, 2020 · The useQuery hook. The useQuery hook is a function used to register your data fetching code into React Query library. It takes an arbitrary key and an asynchronous function for fetching data and return various values that you can use to inform your users about the current application state. Apr 10, 2020 · There is an input field and button that triggers updating variable that was passed to query. Variable updates correctly, but nothing happens with the query. Expected behavior When changing variables, query should be refetched and new results should be displayed. Versions vue: 2.6.11 @vue/apollo-composable: 4.0.0-alpha.8 apollo-boost: 0.4.7 Jul 14, 2022 · React Query’s useQuery(query, fn) is a Hook that fetches data based on the query passed to it and then stores the data in its parent variable. A query, in this case, consists of a unique key and an asynchronous function that is acted upon. Mar 14, 2019 · Normally I put [all, my, query, variables] into the useQuery to avoid multiple runs when other state is changing. @pak11273 I don't understand why you would need another state (useState). Using the data from useQuery should suffice, no? I needed the onComplete to trigger another query which needed data from the first query. Sep 10, 2021 · If you have a mutation that updates the title of your blog post, and the backend returns the complete blog post as a response, you can update the query cache directly via setQueryData: update-from-mutation-response. 1const useUpdateTitle = (id) => {. 2 const queryClient = useQueryClient() 3. 4 return useMutation({. Jul 29, 2020 · The useQuery hook. The useQuery hook is a function used to register your data fetching code into React Query library. It takes an arbitrary key and an asynchronous function for fetching data and return various values that you can use to inform your users about the current application state. Nov 19, 2019 · List of Steps: Step 1: Fetch a query stage. const GetStage = useQuery (confirmStageQuery, { variables: { input: { id: getId.id } } }); Step 2: Based on the response that we get from GetStage, we would like to switch between 2 separate queries. When my page loads I am using useQuery to retrieve the data. This works fine. The problem is when I make a change to the search form, this updates the state which causes an unwanted re-render which calls the server again. I want to call the server only when the page loads and when I click the search button. useQuery: Aug 10, 2020 · the query qUsuario is: query qUsuario ($user:ID!) { user (id:$user) { email, firstName, lastName, } } but in the first time i got the follow error: [GraphQL error]: Variable "$user" of required type "ID!" was not provided. and then in few milliseconds later, the query works! Dec 31, 2020 · Addition: If you want to await for resolving mutate, you can wrap the whole call in a Promise and resolve it in onSuccess (or onSuccess / onSettle) like this: await new Promise ( (resolve) => { mutatePostInfo.mutate (value, { onSuccess: () => resolve () }) }); – Froxx Mar 10, 2021 · In the last post, we did a basic web service request using the useQuery hook. This post will expand this example and make a second request that requires data from the first request. Our requirement. At the moment, our React component requests the people resource in the Star Wars API and displays the character’s name. Once again, we'll pass our query to the useQuery hook. This time, we also need to pass the corresponding launch's launchId to the query as a variable. We'll use React Router's useParams hook to access the launchId from our current URL. Apr 10, 2020 · There is an input field and button that triggers updating variable that was passed to query. Variable updates correctly, but nothing happens with the query. Expected behavior When changing variables, query should be refetched and new results should be displayed. Versions vue: 2.6.11 @vue/apollo-composable: 4.0.0-alpha.8 apollo-boost: 0.4.7 Mar 10, 2021 · I have the following code which hits a user api with useSWR, if I console log the user the first two times it renders undefined. useQuery is complaingng user.id is undefined which is true at some point in the render, however I have tried to pass a skip option and it works with passing a skip option for the cookie variable which has a similar ... Aug 10, 2020 · the query qUsuario is: query qUsuario ($user:ID!) { user (id:$user) { email, firstName, lastName, } } but in the first time i got the follow error: [GraphQL error]: Variable "$user" of required type "ID!" was not provided. and then in few milliseconds later, the query works! Optional for the useQuery hook, because the query can be provided as the first parameter to the hook. Required for the Query component. variables { [key: string]: any } An object containing all of the GraphQL variable s your query requires to execute. Each key in the object corresponds to a variable name, and that key's value corresponds to the ... Mar 14, 2023 · A query is an asynchronous data source bound to a unique key. TanStack Query uses the useQuery Hook to get the data. In the example, our useQuery takes two parameters, a unique key for the query and a function that returns a Promise. The useQuery returns the following: isLoading: In the fetching state Oct 16, 2020 · read from localstorage, build variables for fetch (offset, limit, ...) fetch with variables; when filters or search change, refetch with modified variables; also save the modified variables to localstorage; My question is: should I use useQuery or useLazyQuery for this purpose. With useQuery, I may could do: Mar 14, 2019 · Normally I put [all, my, query, variables] into the useQuery to avoid multiple runs when other state is changing. @pak11273 I don't understand why you would need another state (useState). Using the data from useQuery should suffice, no? I needed the onComplete to trigger another query which needed data from the first query. Server-side rendering (SSR) is a performance optimization for modern web apps. It enables you to render your app's initial state to raw HTML and CSS on the server before serving it to a browser. This means users don't have to wait for their browser to download and initialize React (or Angular, Vue, etc.) before content is available: Browser ... I have a code below where in I want to finish doSomethingFirst() before proceeding with the rest of the code: async doSomething() { const response = await doSomethingFirst(); // get the response Jan 5, 2021 · I have a Higher Order Component and it accepts a prop variable input called "name". Inside HOC, I'm passing "name" as the input to useQuery. If the name's value changes, useQuery hits the backend API and fetches new results but if the value remains the same, there is no network call made by useQuery. HOC gets re-rendered but no n/w call. Mar 10, 2020 · I want the data returned from useQuery to be undefined when the variables change. Reasoning is that if the variables for the query change, loading is set to true, but data remains set to the data from the previous query with old variables. Actual outcome: data is set to the previous variables data while the next query (with new variables) is in ... refetch ( { where: { name_contains: value }} ); it refetches, but it doesn't pass variables to the query, I console logged the results. when running through the playground it passes variables. but this function provided by hooks doesn't pass variables. this is my query. const PLANTS_QUERY = gql` query { plants { plant_name is_active } } `; May 24, 2021 · The useQuery hook accepts a lot more parameters and returns a lot more variables, which have been documented in the React Query docs. The example above is meant to demonstrate the minimum setup ... Apollo Client allows you to make local modifications to your GraphQL data by updating the cache, but sometimes it's more straightforward to update your client-side GraphQL data by refetching queries from the server. In theory, you could refetch every active query after a client-side update, but you can save time and network bandwidth by ... Aug 10, 2020 · the query qUsuario is: query qUsuario ($user:ID!) { user (id:$user) { email, firstName, lastName, } } but in the first time i got the follow error: [GraphQL error]: Variable "$user" of required type "ID!" was not provided. and then in few milliseconds later, the query works! some suggestion: it would be better to build the key as an array to be able to use the fuzzy invalidation react-query provides. something like: ["posts", postId]; also, you don't need to call refetch after calling setPostId. setting the id will trigger a re-render, which will change the key. changing the key will automatically trigger a refetch. But it's using a Promise, and Apollo useQuery and useLazyQuery do not send back a Promise. So I can't wait data from the query, before passing it to AsyncSelect For now, I made it with the classic Select component, and it's fine. But can be improved :) Each one of them will become a reactive object. These reactive queries will be executed automatically, both when the component is mounted, and if/when any variable objects change. Great! Now let's define the graphql query to be used: Open src/graphql-operations/index.ts and add the following code: src/graphql-operations/index.ts Copy Aug 10, 2020 · the query qUsuario is: query qUsuario ($user:ID!) { user (id:$user) { email, firstName, lastName, } } but in the first time i got the follow error: [GraphQL error]: Variable "$user" of required type "ID!" was not provided. and then in few milliseconds later, the query works! Apollo Client allows you to make local modifications to your GraphQL data by updating the cache, but sometimes it's more straightforward to update your client-side GraphQL data by refetching queries from the server. In theory, you could refetch every active query after a client-side update, but you can save time and network bandwidth by ... Unlike useQuery, useMutation doesn't execute its operation automatically on render. Instead, you call this mutate function. An object with field s that represent the current status of the mutation 's execution (data, loading, etc.) This object is similar to the object returned by the useQuery hook. For details, see Result. Example refetch ( { where: { name_contains: value }} ); it refetches, but it doesn't pass variables to the query, I console logged the results. when running through the playground it passes variables. but this function provided by hooks doesn't pass variables. this is my query. const PLANTS_QUERY = gql` query { plants { plant_name is_active } } `; Feb 13, 2021 · 1 Answer. You don’t need an extra way to distribute your data, like react context. Just call useQuery with the same key wherever you need to, and react query will do the rest. It is best to abstract that away in a custom hook. refetch should only be used if you want to refetch with the exact same parameters. Jan 5, 2021 · I have a Higher Order Component and it accepts a prop variable input called "name". Inside HOC, I'm passing "name" as the input to useQuery. If the name's value changes, useQuery hits the backend API and fetches new results but if the value remains the same, there is no network call made by useQuery. HOC gets re-rendered but no n/w call. Apr 13, 2020 · Option 1: Update the GraphQL server to adhere to frontend needs. Once you realize that a screen needs to run multiple queries, ideally you can update your server to satisfy the needs of that particular screen. From the frontend’s point of view, a single query like this would be ideal: Jun 27, 2021 · 2 Answers. useQuery ("fetchData", fetchData, { onSuccess: (data) => { console.log ("Get data!"); console.log (data); } }); As simple it could be. Thanks! The onSuccess callback function is called only when the data has been retrieved from the query. Carefully notice that this data is not the one that you're de-structuring from the useQuery ... Jan 5, 2021 · I have a Higher Order Component and it accepts a prop variable input called "name". Inside HOC, I'm passing "name" as the input to useQuery. If the name's value changes, useQuery hits the backend API and fetches new results but if the value remains the same, there is no network call made by useQuery. HOC gets re-rendered but no n/w call. Queries Basics. The useQuery function is a composable function that provides query state and various helper methods for managing the query. To execute a query the useQuery accepts a GraphQL query as the first argument. The query property is a string containing the query body or a DocumentNode (AST) created by graphql-tag. The first parameter to useQuery is a string and this is how the hook knows what to cache when data is returned. You want to make sure this is unique. Another optional way of creating this “cache key”, is to pass it an array of strings. react-query will combine them into one string. As mentioned, you’ll want to make the cache key unique ... Oct 16, 2020 · read from localstorage, build variables for fetch (offset, limit, ...) fetch with variables; when filters or search change, refetch with modified variables; also save the modified variables to localstorage; My question is: should I use useQuery or useLazyQuery for this purpose. With useQuery, I may could do: Each one of them will become a reactive object. These reactive queries will be executed automatically, both when the component is mounted, and if/when any variable objects change. Great! Now let's define the graphql query to be used: Open src/graphql-operations/index.ts and add the following code: src/graphql-operations/index.ts Copy Feb 13, 2021 · 1 Answer. You don’t need an extra way to distribute your data, like react context. Just call useQuery with the same key wherever you need to, and react query will do the rest. It is best to abstract that away in a custom hook. refetch should only be used if you want to refetch with the exact same parameters. Jul 29, 2020 · The useQuery hook. The useQuery hook is a function used to register your data fetching code into React Query library. It takes an arbitrary key and an asynchronous function for fetching data and return various values that you can use to inform your users about the current application state. The useQuery hook. The useQuery hook returns an object with three useful properties that we use in our app: indicates whether the query has completed and results have been returned. is an object that contains any errors that the operation has thrown. contains the results of the query after it has completed. To set in our query, we declare them ... Queries Basics. The useQuery function is a composable function that provides query state and various helper methods for managing the query. To execute a query the useQuery accepts a GraphQL query as the first argument. The query property is a string containing the query body or a DocumentNode (AST) created by graphql-tag. Dependent (or serial) queries depend on previous ones to finish before they can execute. To achieve this, it's as easy as using the enabled option to tell a query when it is ready to run: tsx. // Get the user. const { data: user } = useQuery({. queryKey: ['user', email], Mar 19, 2023 · this works, because you can't expect await refetch() to change the data variable in the closure (the result from useQuery). So you have to use the result returned from refetch(). If you only need the query to eventually call refetch, I would use queryClient.fetchQuery instead. – The useQuery hook returns an object with three useful properties that we use in our app: indicates whether the query has completed and results have been returned. is an object that contains any errors that the operation has thrown. contains the results of the query after it has completed. Nov 27, 2020 · Writing Our First Reactive Variable #. Here’s what a reactive variable looks like: import { makeVar } from '@apollo/client'; const myReactiveVariable = makeVar (/** An initial value can be passed in here.**/) The makeVar is imported from Apollo Client and is used to declare our a reactive variable. Feb 7, 2021 · 1. Another thing to consider is the default configuration of you useQuery () hook which is provided by the QueryClient. For example rerendering on window focus is a default setting, which causes the hook to refetch and therefore rerender on every window focus (for example when clicking on devtools and click back into the DOM. A derived boolean from the status variable above, provided for convenience. isSuccess: boolean. A derived boolean from the status variable above, provided for convenience. isError: boolean. A derived boolean from the status variable above, provided for convenience. isLoadingError: boolean. Will be true if the query failed while fetching for the ... Sep 12, 2022 · Set the `enabled` property in the useQuery call. Once the user clicked on that button we will update the fetchPosts state value, which will trigger the component to re-render and the useQuery hook will execute and fetch the data in case the fetchPosts value is true. function Example() { const [fetchPosts, setFetchPosts] = useState(false); const ... Unlike useQuery, useMutation doesn't execute its operation automatically on render. Instead, you call this mutate function. An object with field s that represent the current status of the mutation 's execution (data, loading, etc.) This object is similar to the object returned by the useQuery hook. For details, see Result. Example Dependent (or serial) queries depend on previous ones to finish before they can execute. To achieve this, it's as easy as using the enabled option to tell a query when it is ready to run: tsx. // Get the user. const { data: user } = useQuery({. queryKey: ['user', email], Feb 7, 2021 · 1. Another thing to consider is the default configuration of you useQuery () hook which is provided by the QueryClient. For example rerendering on window focus is a default setting, which causes the hook to refetch and therefore rerender on every window focus (for example when clicking on devtools and click back into the DOM. Queries Basics. The useQuery function is a composable function that provides query state and various helper methods for managing the query. To execute a query the useQuery accepts a GraphQL query as the first argument. The query property is a string containing the query body or a DocumentNode (AST) created by graphql-tag. Nov 19, 2019 · List of Steps: Step 1: Fetch a query stage. const GetStage = useQuery (confirmStageQuery, { variables: { input: { id: getId.id } } }); Step 2: Based on the response that we get from GetStage, we would like to switch between 2 separate queries. Apollo Link is a library that helps you customize Apollo Client's network communication. You can use it to define a link chain that modifies your operations and routes them to the appropriate destination. To execute subscriptions over WebSocket, you can add a GraphQLWsLink to your link chain. This link requires the graphql-ws library. Feb 12, 2022 · React Query dependent queries. We can leverage the enabled property to make queries dependent on a variable. This will tell React Query if this query should be enabled or not, and it can accept anything that calculates to a boolean. const { isIdle, data } = useQuery('your-key', yourQueryFn, { enabled: conditionIsTrue, }); Sep 12, 2022 · Set the `enabled` property in the useQuery call. Once the user clicked on that button we will update the fetchPosts state value, which will trigger the component to re-render and the useQuery hook will execute and fetch the data in case the fetchPosts value is true. function Example() { const [fetchPosts, setFetchPosts] = useState(false); const ... Jan 5, 2021 · I have a Higher Order Component and it accepts a prop variable input called "name". Inside HOC, I'm passing "name" as the input to useQuery. If the name's value changes, useQuery hits the backend API and fetches new results but if the value remains the same, there is no network call made by useQuery. HOC gets re-rendered but no n/w call. The easiest way of keeping data up to date would be to use the polling feature from apollo. const { loading, error, data } = useQuery (QUERY, { variables: input, skip: !isActivated, pollInterval: 500, // Update every 500ms }); One way of refetching on demand would be to use the returned refetch function. Mar 24, 2021 · Using GraphQLClient allows us to set the API key on each request. To get all blog posts from the API, we use the useGetPosts function. The useQuery hook expects a key ( get-posts) and a GraphQL query. The hook can receive more options, but for this example, we just need these two. Once the fetch is done, we return the data. Feb 7, 2021 · 1. Another thing to consider is the default configuration of you useQuery () hook which is provided by the QueryClient. For example rerendering on window focus is a default setting, which causes the hook to refetch and therefore rerender on every window focus (for example when clicking on devtools and click back into the DOM. Mar 24, 2020 · I have a graphql query and useQuery hook which return a lot of data. I start loading by click button and show when the data loading will be finished. Is it possible to use Promise to wait loading d... Aug 10, 2020 · the query qUsuario is: query qUsuario ($user:ID!) { user (id:$user) { email, firstName, lastName, } } but in the first time i got the follow error: [GraphQL error]: Variable "$user" of required type "ID!" was not provided. and then in few milliseconds later, the query works! Aug 20, 2019 · I think something like this would work - you will need to create the initial state with useState, could be empty array and then onComplete in the useQuery would setTranscationsData... it is triggered every render when state or props change. Could of course add an inital state inside useState which insn't an empty array.
But it's using a Promise, and Apollo useQuery and useLazyQuery do not send back a Promise. So I can't wait data from the query, before passing it to AsyncSelect For now, I made it with the classic Select component, and it's fine. But can be improved :) . Nm to ft lbs calculator
Mar 10, 2021 · In the last post, we did a basic web service request using the useQuery hook. This post will expand this example and make a second request that requires data from the first request. Our requirement. At the moment, our React component requests the people resource in the Star Wars API and displays the character’s name. Mar 24, 2021 · Using GraphQLClient allows us to set the API key on each request. To get all blog posts from the API, we use the useGetPosts function. The useQuery hook expects a key ( get-posts) and a GraphQL query. The hook can receive more options, but for this example, we just need these two. Once the fetch is done, we return the data. Unlike useQuery, useMutation doesn't execute its operation automatically on render. Instead, you call this mutate function. An object with field s that represent the current status of the mutation 's execution (data, loading, etc.) This object is similar to the object returned by the useQuery hook. For details, see Result. Example Mar 10, 2020 · I want the data returned from useQuery to be undefined when the variables change. Reasoning is that if the variables for the query change, loading is set to true, but data remains set to the data from the previous query with old variables. Actual outcome: data is set to the previous variables data while the next query (with new variables) is in ... Unlike useQuery, useMutation doesn't execute its operation automatically on render. Instead, you call this mutate function. An object with field s that represent the current status of the mutation 's execution (data, loading, etc.) This object is similar to the object returned by the useQuery hook. For details, see Result. Example Nov 5, 2020 · I have these 3 functions that need to run in order. However, since the first function has a loop in it, the 2nd and 3rd functions are finishing before the data from the 1st function is available. ... But it's using a Promise, and Apollo useQuery and useLazyQuery do not send back a Promise. So I can't wait data from the query, before passing it to AsyncSelect For now, I made it with the classic Select component, and it's fine. But can be improved :) Jul 29, 2020 · The Apollo platform is an implementation of GraphQL that transfers data between the cloud (the server) to the UI of your app. When you use Apollo Client, all of the logic for retrieving data, tracking, loading, and updating the UI is encapsulated by the useQuery hook (as in the case of React). Hence, data fetching is declarative. May 31, 2020 · 14. I need to call a query when submit button is pressed and then handle the response. I need something like this: const [checkEmail] = useLazyQuery (CHECK_EMAIL) const handleSubmit = async () => { const res = await checkEmail ( { variables: { email: values.email }}) console.log (res) // handle response } Try #1: Jan 5, 2021 · I have a Higher Order Component and it accepts a prop variable input called "name". Inside HOC, I'm passing "name" as the input to useQuery. If the name's value changes, useQuery hits the backend API and fetches new results but if the value remains the same, there is no network call made by useQuery. HOC gets re-rendered but no n/w call. Mar 10, 2020 · I want the data returned from useQuery to be undefined when the variables change. Reasoning is that if the variables for the query change, loading is set to true, but data remains set to the data from the previous query with old variables. Actual outcome: data is set to the previous variables data while the next query (with new variables) is in ... Sep 12, 2022 · Set the `enabled` property in the useQuery call. Once the user clicked on that button we will update the fetchPosts state value, which will trigger the component to re-render and the useQuery hook will execute and fetch the data in case the fetchPosts value is true. function Example() { const [fetchPosts, setFetchPosts] = useState(false); const ... .
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