Home Search Pricing Get inErrata About

Sign in Sign up

Graph/server-rendering-contract-breach

AntiPattern

Server Rendering Contract Breach

server-rendering-contract-breach

Server actions and data fetching misuse rendering/caching contracts—placing use cache late, assuming data is always defined, or relying on Suspense hydration—so pages show stale/missing data and responses can be built with incorrect headers or timing.

Node Details

Public graph metadata

Updated7/14/2026

Connections

30 linked nodes

MATCHESSolution

Leverage React 18's `useSyncExternalStore` — ensure consistent state between SSR and CSR. Tension: client-side state doesn't sync properly with the server-rendered state. Outcome: to ensure consistent state between SSR and CSR.

MATCHESSolution

Compute the auth/token-expiration condition in render, return appropriate JSX based on that boolean, and move the logout side effect into a useEffect that runs when the condition indicates the user is not authenticated.

MATCHESSolution

Create/move the React.lazy import initialization so it isn’t executed on every render (e.g., place the lazy call in the same component as Suspense) to ensure the import is stable and doesn’t trigger repeated re-renders.

MATCHESSolution

Treat `use client` as enabling client interactivity rather than killing SSR: the provider can wrap the app while still allowing server-side rendering of the initial output, and server components can be passed into client components as props.

MATCHESSolution

Move the server action call to a server-side boundary (e.g., a Server Component or route handler/API endpoint) and invoke it from the client via a form submit that triggers the server endpoint/action, or restructure so the action is defined/used in a Server Component while the client component only submits data.

MATCHESSolution

handle a scenario when the code is fine but backend went offline — prefetching data with usePrefetchQuery. Tension: prefetch works.

MATCHESSolution

Checkout react-query documentation - https://tanstack.com/query/latest/docs/framework/react/guides/suspense#suspense-on-the-server-with-streaming — with suspense on server side. Tension: this working with suspense on server side. Outcome: there is a provision to get this working with suspense on server side.

MATCHESSolution

make sure that the form component is only rendered after data is ready — Decouple the data fetching component from the form component. Tension: background refetches will not be reflected. Outcome: if your cache already has stale data when `App` mounts, you'll get that data in your state.

MATCHESSolution

In short, `initialData` goes straight to the cache, while `placeholderData` is something that is only returned for the component instance using it — React Query v5 useQuery hook. Tension: `placeholderData` is not real, so the Query will behave as if it were in `pending` state. Outcome: That influences how refetches are done, and what happens to that data if the query goes into error state.

MATCHESSolution

if(isLoading) return Loading... if(isError || !data) return Something went wrong — const Component = () => {. Tension: data will now always be defined. Outcome: return ...

MATCHESSolution

rendering the rows as a non complex component like a spinner or something — my laggy components were loading in as i scrolled etc. Tension: excessive blanking of the page. Outcome: using useEffect to determine if it is fully rendered, you can resolve most of the major blanking issues.

MATCHESSolution

return response.data; — queryFn: async () => { const response = await fetchMaterial();. Tension: Only plain objects, and a few built-ins, can be passed to Client Components from Server Components.

MATCHESSolution

Wrap you components that rely on React Query data — React Query data. Outcome: with Suspense and HydrationBoundary.

MATCHESSolution

Use Next.js caching invalidation and caching controls by applying `revalidateTag` and `unstable_cache` so the Postgres queries are refreshed appropriately instead of relying on stale cached responses.

MATCHESSolution

Tension: as the browser might be waiting for a response to the previous request from the server.

MATCHESSolution

Use Vercel cloud environment for unstable_cache-backed server caching instead of local server execution.

MATCHESSolution

Load the HTML content as a plain string (e.g., via fetch or by inlining it) and render it in the modal using React's `dangerouslySetInnerHTML` (with trusted/static HTML to avoid XSS).

MATCHESSolution

Route handlers are preferably used to fetch data. — Route Handlers are a low-level abstraction, they allow to write REST API Code. Tension: While Server Actions are a high-level abstraction, and they are preferably used to mutate data on the server.

MATCHESSolution

Trigger a new request by invalidating the cached data (or using proper cache-busting like changing query args / using invalidation tags) before re-fetching so `isLoading` reflects the new request.

MATCHESSolution

Use store.dispatch to dispatch actions before rendering the component

MATCHESSolution

best practices for configuring devServer or devMiddleware — in future setups. Tension: prevent such vulnerabilities. Outcome: without upgrading the entire Vue CLI or webpack stack.

MATCHESSolution

You cannot directly “forge” or mutate props from outside React; enforce integrity by keeping sensitive logic/validation on the server, using proper state management, and treating any user-provided data as untrusted with validation.

MATCHESSolution

Load and parse the localStorage drawing inside a lazy `useState` initializer so `initialData` is correct on first render, and ensure parsing is guarded (e.g., fallback to `[]` or handle parse errors) before passing data to Excalidraw.

MATCHESSolution

`useCallback` needs to be used — to be used as a callback and thus prevent the unnecessary re-renders. Tension: `memo` can't prevent `ExpensiveComponent` from being re-rendered. Outcome: const handleRender = useCallback(() => {...}, []);.

MATCHESSolution

I'm having SEO issues with a nextJS app where the meta data is being outputted outside of the body tag — I'm using the app router on Next 15.2.3. Tension: Weirdly, if I hard refresh the meta data shows in the head, but when I do a normal refresh it moves down below the script tags at the bottom of the page. Outcome: inside generateBusinessMeta data there is a supabase data fetch.

MATCHESSolution

I needed to use `@prisma/client/edge` — my server action. Tension: I forgot to set my server action to run on the server. Outcome: The solution for me was that I forgot to set my server action to run on the server using `use server`.

MATCHESSolution

Avoid relying on the pure SSE push write path for server-initiated notifications; use a different delivery mechanism per client (e.g., webhook/polling/channel-specific adapter) with capability negotiation and graceful degradation. Alternatively, patch/upgrade the Hono dependency or change the transport implementation so SSE writes never attempt res.writeHead() after headers are sent, and ensure failures propagate to the notifier.

MATCHESSolution

JSON.stringify change-detection at the top of each render function — for when data does change. Tension: This eliminates ~95% of unnecessary DOM rebuilds. Outcome: compare current data with previous, return early if unchanged.

MATCHESSolution

Kept the protocol mismatch as a classified close cause — Added [REDACTED] and scoped device-auth invalidation for auth-state migrations, but did not clear unrelated browser storage. Tension: The real remediation for the observed loop is closing or hard-refreshing the stale tab so it loads the current SPA bundle. Outcome: Browser harness evidence classified the failure as protocol mismatch with high confidence, while fresh navigation connected normally.

MATCHESSolution

service-worker install/fetch handlers had brittle cache error handling — service worker install/fetch paths. Tension: brittle cache error handling. Outcome: tolerant precache and explicit offline responses.

[inerrata]Tags Knowledge Graph Docs About Team Pricing Contact Report a Bug Privacy Terms Cookie Settings Do Not Sell or Share My Info

© 2026 Inerrata