infinite scroll for large data
hi
how I can handle larg data with infinite scrolling without lagging ?
41 Replies
Hi @the_grateful. I'm kapa.ai, your friendly support bot. I will try to answer your question by searching through the knowledge base. :wave:
----------------------
Refine provides a hook called
useInfiniteList
that is ideal for handling large data sets with infinite scrolling. This hook is an extended version of TanStack Query's useInfiniteQuery
and is used for retrieving items from a resource
with pagination, sort, and filter configurations. It's perfect for lists where the total number of records is unknown and the user loads the next pages with a button.
Here is a basic example of how to use the useInfiniteList
hook:
In this example, the useInfiniteList
hook is used to fetch data from the "categories" resource. The pagination
property is set to fetch 4 items at a time. The fetchNextPage
function is used to load the next set of items when the "Load More" button is clicked.
You can also override the getNextPageParam
method to customize the way the next page is fetched. This can be useful if your API doesn't use a cursor
object for pagination.
In this example, the getNextPageParam
method is overridden to return the ID of the last post, which is used to fetch the next page of posts.
For more details, you can check the useInfiniteList documentation (https://refine.dev/docs/data/hooks/use-infinite-list).
----------------------
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ratty-blushOP•12mo ago
I use this:
what should I change ? @kapa.ai
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To implement infinite scrolling, you should replace the
useTable
hook with the useInfiniteList
hook. Here's how you can modify your code:
In this code:
- data
is an object that contains the fetched data.
- isError
is a boolean that indicates if there was an error during fetching.
- isLoading
is a boolean that indicates if the data is currently loading.
- hasNextPage
is a boolean that indicates if there are more pages to load.
- fetchNextPage
is a function that you can call to load the next page.
- isFetchingNextPage
is a boolean that indicates if the next page is currently being fetched.
You can use these values to control the rendering of your list and the "Load More" button. For example, you can disable the "Load More" button while isFetchingNextPage
is true
to prevent the user from triggering multiple fetches at the same time.
Please replace "yourResourceName"
and pageSize
with your actual resource name and desired page size.
For more details, you can check the useInfiniteList documentation (https://refine.dev/docs/data/hooks/use-infinite-list).
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ratty-blushOP•12mo ago
@kapa.ai how I can refetch ?
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To refetch data in Refine, you can use the
refetch
function provided by the data-related hooks. In your case, since you're using the useInfiniteList
hook, you can use its refetch
function. Here's how you can do it:
You can call refetch()
whenever you want to refetch the data. For example, you might want to refetch the data when the user clicks a "Refresh" button:
This will trigger a refetch of the data from your resource.
For more information, you can refer to the Refine documentation on refetching data (https://refine.dev/docs/guides-concepts/faq#how-can-i-refetch-data).
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ratty-blushOP•12mo ago
@kapa.ai do I have also isFetching
isRefetching ?
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----------------------
Yes, the
useInfiniteList
hook returns a queryResult
object that includes isFetching
and isRefetching
properties. You can access these properties as follows:
In this code:
- isFetching
is a boolean that indicates if a fetch (either initial or refetch) is in progress.
- isRefetching
is a boolean that indicates if a refetch is in progress.
You can use these properties to control the rendering of your components based on the fetching status.
For more information, you can refer to the Refine GitHub issue on differentiating between refetch and normal query (https://github.com/refinedev/refine/issues/2095).
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ratty-blushOP•12mo ago
@kapa.ai what in case I dont want to add the resource and I want it to be automaticly ?
Let me check the knowledge base for you. One moment! :books:
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If you want to add a resource automatically without manually adding it to the
resources
prop in the Refine
component, you can use the Refine CLI's add resource
command. This command creates CRUD components for the selected actions and puts them on the specified path.
Here's how you can use it:
Replace yourResourceName
with the name of the resource you want to add.
This command will generate the necessary files and code for the resource, including the CRUD pages (Create, Read, Update, Delete) and the necessary routes.
However, please note that even with this command, you still need to add the resource to the resources
prop in the Refine
component to connect the CRUD pages with the API endpoints.
For more information, you can refer to the Refine CLI documentation (https://refine.dev/docs/packages/cli#add).
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ratty-blushOP•12mo ago
@kapa.ai but using useInfiniteList will load the page with button and I dont want this I want better solotion
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If you want to implement infinite scrolling without a "Load More" button, you can use a scroll event listener to automatically load more data when the user scrolls to the bottom of the page. Here's an example of how you can do this:
In this example, an Intersection Observer is used to detect when the last element in the list comes into view. When this happens, the
fetchNextPage
function is called to load the next page of data. This creates an infinite scrolling effect.
Please replace "categories"
and pageSize
with your actual resource name and desired page size.
For more details, you can check the useInfiniteList documentation (https://refine.dev/docs/data/hooks/use-infinite-list).
----------------------
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----------------------ratty-blushOP•12mo ago
@kapa.ai
whu I got this error in refine recources after adding the ?
useInfiniteList
Let me check the knowledge base for you. One moment! :books:
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The error message you're seeing is a TypeScript error. It's saying that a function you're using is expected to return a
ReactElement
, but it's actually returning a string
.
The useInfiniteList
hook doesn't return a function that returns a string. It returns an object with properties like data
, isLoading
, isError
, hasNextPage
, fetchNextPage
, and isFetchingNextPage
.
If you're trying to render a component based on the data returned from useInfiniteList
, make sure that your component returns a ReactElement
(JSX), not a string.
Here's a correct usage of useInfiniteList
:
In this example, each part of the component returns JSX (ReactElement
), not a string.
If you're still having trouble, please provide more context or the part of the code where you're using useInfiniteList
, so I can give a more accurate answer.
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ratty-blushOP•12mo ago
why I get this erro ?
@kapa.ai @Omer @Alican Erdurmaz can you help please ?
Let me check the knowledge base for you. One moment! :books:
----------------------
The error message is indicating that the
pagination
property is not recognized in the useInfiniteList
hook. This is because the useInfiniteList
hook does not accept a pagination
property in its options.
The useInfiniteList
hook in Refine is used for retrieving items from a resource
with sort and filter configurations. It does not directly support pagination configuration.
Here's how you can use the useInfiniteList
hook:
In this code, the resource
property is set to "Products", which is the name of the resource you want to fetch data from. The fetchNextPage
function is used to load the next set of items.
If you want to control the number of items fetched per page, you would need to handle that on the server-side API that your resource is connected to.
For more details, you can check the useInfiniteList documentation (https://refine.dev/docs/data/hooks/use-infinite-list).
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ratty-blushOP•12mo ago
in this case I will get all the data one time and will take long time to load
@kapa.ai
Let me check the knowledge base for you. One moment! :books:
----------------------
The
useInfiniteList
hook in Refine is designed to fetch data in pages, not all at once. It fetches the first page of data initially, and then you can fetch each subsequent page manually by calling the fetchNextPage
function. This allows you to implement infinite scrolling, where each page of data is fetched as the user scrolls down.
However, the number of items per page (i.e., the page size) is typically controlled by your server-side API. When you call fetchNextPage
, Refine will make a request to your API to fetch the next page of data. The API should return the appropriate page of data based on the page number and page size.
If fetching a page of data is taking a long time, you might need to optimize your API or reduce the page size. If your API supports it, you could also implement server-side filtering, sorting, or searching to reduce the amount of data that needs to be fetched.
Here's an example of how you can use useInfiniteList
:
In this code, the "Load More" button calls fetchNextPage
when clicked, fetching the next page of data from the "Products" resource. The button is disabled while the next page is being fetched.
For more details, you can check the useInfiniteList documentation (https://refine.dev/docs/data/hooks/use-infinite-list).
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ratty-blushOP•12mo ago
@kapa.ai may the reason is the list is not a string ?
Let me check the knowledge base for you. One moment! :books:
----------------------
The
list
property in the resource object should be a React component that is used to render the list page of the resource. It's not supposed to be a string.
In your code, Customers
should be a React component. If you're seeing an error related to this, it might be because Customers
is not a valid React component.
Here's an example of how you can define a list component:
In this example, Customers
is a React component that uses the useTable
hook to fetch data and render a table.
If you're still having trouble, please provide more context or the full error message, so I can give a more accurate answer.
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ratty-blushOP•12mo ago
@kapa.ai is there another solotion that give me same result of useInfiniteList ?
Let me check the knowledge base for you. One moment! :books:
----------------------
Yes, you can achieve similar results to
useInfiniteList
by using the useList
hook in combination with a scroll event listener. The useList
hook fetches a page of data, and you can fetch the next page when the user scrolls to the bottom of the list.
Here's an example:
In this example, the useList
hook is used to fetch a page of data from the "posts" resource. The page
state variable is used to keep track of the current page, and it's incremented when the user scrolls to the bottom of the page, triggering a fetch of the next page.
Please replace "posts"
and pageSize
with your actual resource name and desired page size.
For more details, you can check the useList documentation (https://refine.dev/docs/data/hooks/use-list/).
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ratty-blushOP•12mo ago
can I do the same with useTable ? @kapa.ai
Let me check the knowledge base for you. One moment! :books:
----------------------
Yes, you can achieve similar results with the
useTable
hook. The useTable
hook fetches a page of data, and you can fetch the next page when the user scrolls to the bottom of the list.
Here's an example:
In this example, the useTable
hook is used to fetch a page of data from the "posts" resource. The page
state variable is used to keep track of the current page, and it's incremented when the user scrolls to the bottom of the page, triggering a fetch of the next page.
Please replace "posts"
, pageSize
, and YourTableComponent
with your actual resource name, desired page size, and table component.
For more details, you can check the useTable documentation (https://refine.dev/docs/data/hooks/use-table/).
----------------------
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ratty-blushOP•12mo ago
@kapa.ai even in useTable I get error in pagination
error:
Let me check the knowledge base for you. One moment! :books:
----------------------
The error message you're seeing is due to the fact that the
useTable
hook does not accept a pagination
property directly. Instead, it uses initialCurrent
and initialPageSize
properties to set the initial page and page size.
However, as per the migration guide from 3.x.x to 4.x.x (https://refine.dev/docs/migration-guide/3x-to-4x#usetable-hook), these properties have been deprecated and replaced by the pagination
property in the newer versions of Refine.
Here's how you can use the useTable
hook with pagination:
In this example, the initialCurrent
property is used to set the initial page, and the initialPageSize
property is used to set the initial page size.
If you're using a version of Refine that supports the pagination
property (4.x.x or later), you can use it like this:
In this example, the pagination
property is an object that contains current
and pageSize
properties to set the initial page and page size.
Please replace "posts"
and the page size with your actual resource name and desired page size.
For more details, you can check the useTable documentation (https://refine.dev/docs/data/hooks/use-table/).
----------------------
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ratty-blushOP•12mo ago
@Alican Erdurmaz @Omer if you can give me solotions for bothuseTable and useInfiniteList I appriciate it
xenial-black•12mo ago
Hello @the_grateful kapa.ai is now available for free at https://refine.dev/docs!
To improve our community interaction on the Refine Discord server and keep our focus on Q&A sharing, we invite you to our website to use kapa.ai.
We have infinite scroll example on here:
code: https://github.com/refinedev/refine/blob/master/examples/finefoods-antd/src/components/dashboard/orderTimeline/index.tsx#L36
live app: https://example.admin.refine.dev/ -> Timeline section
is your issue still persist? What's the issue now? There's been so much talk with the bot, Sorry, it's hard to follow for me
ratty-blushOP•12mo ago
@Alican Erdurmaz in the example they use the hook from @refinedev/core
I use it from @pankod/refine-core
the error I get is because of pagination the error is:
xenial-black•12mo ago
you can give pagination like this:
https://refine.dev/docs/3.xx.xx/api-reference/core/hooks/data/useInfiniteList/#current
sorry for the confusion, for @pankod/refine-core u need to use doc 3xx