Reasons to use React Query
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8 Reasons to Use React Query" is likely a presentation discussing the benefits of using the React Query library for managing and caching data in a React application. The slides may cover topics such as efficient data fetching, automatic caching and stale-while-revalidate, real-time updates, and easy-to-use hooks for handling queries and mutations. Additionally, the slides may also highlight how React Query helps improve the performance, developer experience, and user experience of the application.
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Reasons to use React Query
- 3. React Query is extremely lean but packed with battle-hardened features that will help you succeed in almost any project. It's a powerful yet performant data synchronization tool for React and React Native applications. It is often described as the missing data-fetching library for React, but in more technical terms, it makes fetching, caching, synchronizing, and updating server state in the application all without touching any global state. It has a lot of features like Auto Refetching, SSR Support (I could keep going...), and more features in upcoming slides. waleed1892@gmail.com Waleed Zahid
- 4. waleed1892@gmail.com Waleed Zahid React Query simplifies data-fetching in React by providing efficient management of network requests, automatic caching, pagination, and background updates, resulting in improved performance and user experience. It also allows for easy control of the data being fetched and displayed and handling of error and loading states.
- 5. waleed1892@gmail.com Waleed Zahid React Query mutations provide a simple API for handling methods (like POST, PUT, DELETE) in addition to querying data. This allows developers to manage the state of the application more easily, by providing a consistent way to update data, without having to manually update the state. It also provides features for handling optimistic updates, caching, and error handling for mutations, which can further simplify the process of making changes to the data.
- 6. waleed1892@gmail.com Waleed Zahid Optimistic updates in React Query allow for a more seamless user experience by updating the UI immediately, before receiving a response from the server. This can make the application feel faster and more responsive.
- 7. waleed1892@gmail.com Waleed Zahid refetchInterval Allows you to set a specific interval in milliseconds between refetches so that data is refetched automatically after that specific interval. refetchOnMount Allows you to set a specific interval in milliseconds between refetches so that data is refetched automatically after that specific interval. refetchOnWindowFocus Allows you to set whether the query should be refetched when the user navigates back to the window/tab where the component is rendered. refetchOnReconnect Allows you to set whether the query should be refetched when the user's internet connection is restored. Auto refetching is a feature provided by React Query that allows for the automatic re-fetching of data based on specific conditions. This can be useful for keeping data up-to-date without the need for manual intervention.
- 8. To change this functionality, QueryClient defaults options can be overridden:
- 9. waleed1892@gmail.com Waleed Zahid Pausing or disabling queries in React Query allows you to temporarily halt the execution of a query based on certain conditions, such as user interactions or navigation. This can improve the performance of your application by avoiding unnecessary network requests, and also provide a better user experience by avoiding flicker or loading states when the data is not needed. You can pause or disable a query by providing the enabled option to the useQuery hook. You can also pause or disable a query by updating the enabled property of the query after it's created:
- 10. waleed1892@gmail.com Waleed Zahid React Query provides support for Server-Side Rendering (SSR) out of the box, which allows you to pre-render your pages on the server before sending them to the client. This can improve the performance of your application by reducing the amount of data that needs to be loaded on the client side.
- 11. waleed1892@gmail.com Waleed Zahid Infinite scrolling, also known as "endless scrolling" or "infinite load", is a technique used to load more items as the user scrolls down the page. React Query provides an easy way to handle infinite scrolling by providing a simple API for paginating data. When using React Query with infinite scrolling, you can define a query that loads a specific page of data, and then use the fetchMore function to load the next page of data when the user scrolls to the bottom of the page. Here is an example of how to implement infinite scrolling with React Query:
- 12. waleed1892@gmail.com Waleed Zahid isLoading A boolean value that indicates whether a query is currently being fetched. isError A boolean value that indicates whether a query has failed. isSuccess A boolean value that indicates whether a query has succeeded. isIdle A boolean value that indicates whether a query is not currently being fetched. isFetching A boolean value that indicates whether a query is currently being fetched or is in a loading state isStale A boolean value that indicates whether the data has been expired and needs to be refetched. error An error object that contains details about the error that occurred when fetching the query. React Query provides several built-in indicators to display background fetching status, which allows you to indicate to the user that data is being fetched in the background. These indicators are:
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