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#nextjs
coral anvilBOT
The behavior you're experiencing might be due to the way React's Suspense works. Suspense components will re-render whenever a promise they depend on is resolved or rejected. This means that if your modal state change is causing a promise to resolve or reject, the Suspense component will re-render.
In the context of Next.js, Suspense is used for streaming server rendering and selective hydration. It allows you to progressively render and incrementally stream rendered units of the UI to the client. This means that parts of the page that do not specifically require data can be instantly rendered, and a loading state can be shown for parts of the page that are fetching data (source (https://nextjs.org/docs/app/building-your-application/data-fetching/patterns)).
If you want to prevent re-rendering, you might need to adjust how you're managing state in your component. For example, you could consider moving the state management for the modal outside of the Suspense component, or using a different method for handling the modal state change.
However, without more specific information about your implementation and the promises involved, it's hard to provide a more detailed solution. You might find it helpful to review the React documentation on Suspense (https://react.dev/reference/react/Suspense) and the Next.js documentation on Loading UI and Streaming (https://nextjs.org/docs/app/building-your-application/routing/loading-ui-and-streaming) for more information.
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muted lion
@coral anvil can you create a nextjs 14 app router a list of users table. and add button with modal that adds user. and a search button and also add Suspense in the table so that i can use loading
coral anvilBOT
Let me check the knowledge base for you. One moment! :books:
Based on the information provided in the extracts, I can guide you on how to structure your Next.js application with the features you requested. However, please note that the exact implementation details, such as how to handle state or fetch data, are not provided in the extracts.
Here's a basic structure of how you could organize your components:
import { Suspense } from 'react';
import { useSession } from 'next-auth/react';
import { useToastContext } from './ToastContext'; // Assuming you have a ToastContext
import TableSearch from './TableSearch';
import Table from './Table';
import ConfirmationModal from './ConfirmationModal';
import Toast from './Toast';
export default function UsersTable() {
const { data: session } = useSession();
const { isOpen, setIsOpen, setToastMessage } = useToastContext();
// State and handlers for your modal, search, and users would go here
return (
<>
<TableSearch
title="LIST OF USERS"
buttonTitle="Add User"
url="settings/create-user"
handleSearchInput={(search) => debounced(search)}
/>
<Suspense fallback={<div>Loading...</div>}>
<Table listOfUsers={listOfUsers} />
</Suspense>
{modal && (
<ConfirmationModal
confirmedModal={() => handleDeleteUser()}
cancelModal={() => setModal(!modal)}
isOpen={modal}
subTitle="Are you sure you want to delete this user?"
/>
)}
<Toast modalOpen={isOpen} />
</>
);
}
In this example, TableSearch is a component that includes a search input and an "Add User" button. When the button is clicked, it navigates to a page where a new user can be created. The Table component displays a list of users. The ConfirmationModal is displayed when a user is to be deleted.
The Suspense component wraps the Table component to provide a loading state while the user data is being fetched. The fallback prop is what will be displayed while the data is loading.
Please note that this is a high-level overview and you would need to implement the state management, data fetching, and other details according to your application's requirements. For more detailed information, you can refer to the Next.js documentation (https://nextjs.org/docs) and the React documentation on Suspense (https://react.dev/reference/react/Suspense).
Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:
muted lion
@coral anvil 'use client';
type Props = {
users: any;
handleDeleteUser: (userId: string) => void;
};
function UsersTable({ users, handleDeleteUser }: Props) {
const { data: session } = useSession();
// modals
const [modal, setModal] = useState<boolean>(false);
const [selectedUser, setSelectedUser] = useState<UserType | null>(null);
const [listOfUsers, setListOfUsers] = useState<UserType[]>(users);
const { isOpen, setIsOpen, setToastMessage } = useToastContext();
const debounced = useDebouncedCallback(async (value) => {
const response = await searchUser({
search: value,
session: session?.user,
});
setListOfUsers(response.data);
}, 500);
const handleOpenModal = (user: UserType) => {
setIsOpen(true);
};
return (
<>
<TableSearch
title="LIST OF USERS"
buttonTitle="Add User"
url="settings/create-user"
handleSearchInput={(search) => debounced(search)}
/>
<Suspense fallback={<TableSkeleton />}>
<Table
// listOfUsers={listOfUsers}
onClickDelete={() => handleOpenModal('yeah')}
>
{listOfUsers.map((items: any, index: number) => (
<Fragment key={index}>
<UserTableItem
onClickDelete={() => onClickDelete(items._id)}
data={items}
index={index}
/>
</Fragment>
))}
</Table>
</Suspense>
{modal && (
<ConfirmationModal
// confirmedModal={() => handleDeleteUser()}
cancelModal={() => setModal(!modal)}
isOpen={modal}
subtTitle="Are you sure u want to delete this user?"
/>
)}
<Toast modalOpen={isOpen} />
</>
);
}
export default UsersTable;
react suspense is not working
coral anvilBOT
Let me check the knowledge base for you. One moment! :books:
Based on the provided code and the information from the extracts, it seems like you're using React's Suspense for handling loading states in your Next.js application. However, without more specific information about the error or issue you're experiencing, it's hard to provide a detailed solution.
Here are a few things you could check:
-
Check your data fetching: Suspense works by "suspending" component rendering while a promise (usually a data fetch) is pending. Make sure your
Tablecomponent or any of its children are correctly fetching data and throwing a promise that Suspense can catch. -
Check your fallback: The fallback prop of Suspense should be a React element that will be rendered while Suspense is waiting for the promise to resolve. Make sure
TableSkeletonis a valid React component. -
Check your version: Ensure you're using a version of React that supports Suspense. As of React 18, Suspense is supported for both rendering on the server and the client.
-
Check for known issues: There are known issues with Suspense in certain scenarios, as discussed in the Github issues (https://github.com/vercel/next.js/issues/54667) provided in the extracts. These issues are related to the behavior of Suspense in production environments and might be relevant depending on your specific use case.
If you're still having trouble, you might find it helpful to review the React documentation on Suspense (https://react.dev/reference/react/Suspense) and the Next.js documentation on Loading UI and Streaming (https://nextjs.org/docs/app/building-your-application/routing/loading-ui-and-streaming).
Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:
muted lion
@coral anvil how to hydrate data in a client component in nexjts app router
coral anvilBOT
Let me check the knowledge base for you. One moment! :books:
In a Next.js application, hydration is the process of making a server-rendered page interactive. This process involves attaching event listeners to the static HTML sent from the server, which is done using the hydrateRoot React API.
Here's a simplified overview of how hydration works in a Next.js application:
-
On the server, React renders Server Components into a special data format called the React Server Component Payload (RSC Payload), which includes references to Client Components. Next.js uses the RSC Payload and Client Component JavaScript instructions to render HTML for the route on the server (source (https://nextjs.org/docs/app/building-your-application/rendering/client-components)).
-
Then, on the client, the HTML is used to immediately show a fast non-interactive initial preview of the route. The React Server Components Payload is used to reconcile the Client and Server Component trees, and update the DOM. The JavaScript instructions are used to hydrate Client Components and make their UI interactive (source (https://nextjs.org/docs/app/building-your-application/rendering/client-components)).
The hydration process is handled automatically by Next.js and React, so you don't need to manually hydrate your components. However, you should ensure that the same components are rendered on the server and client, as mismatches can lead to hydration errors (source (https://github.com/vercel/next.js/issues/46518)).
If you're using data fetching methods like getServerSideProps or getInitialProps, the fetched data will be automatically available to your page component and will be used during the hydration process. If you're fetching data on the client side (for example, using a useEffect hook), the component will be hydrated with empty data first, and then re-rendered once the data is fetched.
For more detailed information, you can refer to the Next.js documentation (https://nextjs.org/docs) and the React documentation on hydrateRoot (https://react.dev/reference/react-dom/client/hydrateRoot).
Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:
muted lion
@coral anvil if i deleted 1 data in the table. does revalidatetage refetch the data? or ill get the data first and then revalidate?
coral anvilBOT
Let me check the knowledge base for you. One moment! :books:
When you delete a data in the table and use revalidateTag, it triggers an on-demand revalidation of the data associated with that tag. This means that the cache entries associated with that tag are purged from the cache. The next time a request is made, it will be a cache MISS again, and the data will be fetched from the external data source and stored in the Data Cache (source (https://nextjs.org/docs/app/building-your-application/caching)).
This is different from time-based revalidation, where the stale data is kept in the cache until the fresh data is fetched. With revalidateTag, the stale data is purged immediately when the revalidation is triggered.