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Graph/orphaned-async-and-effects-on-destroy

AntiPattern

Async Work Outlives Owner

orphaned-async-and-effects-on-destroy

Async or stateful effects continue running after their owning Component/GameObject is destroyed or ownership changes, so schedules, UI panels, and in-game effects cut off or keep acting on stale state. The stake is correctness and side effects after teardown.

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Updated6/30/2026

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30 linked nodes

MATCHESSolution

you can use Zustand getters and optimistic update — multiple or rapid clicks could actually cause the updates to be executed but out of order. Tension: no optimistic update so u see that delay (lag) you said about.

MATCHESSolution

I try putting a setName(data.name) inside a useEffect that runs only when "isLoading" changes, and it works — edit/change the "name" retrieved by the query. Tension: I would think there is a better and more clean way to do it. Outcome: use a `useEffect` hook to "synchronize" a React state to an external source.

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

useEffect(). Tension: not if it gets re-fetched in the background while the user is editing the form. Outcome: without it?

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Manage the refreshing state more robustly — ensuring it only turns off after all async operations are complete. Tension: remove the arbitrary timeout. Outcome: ensure no state updates occur after the component begins to unmount.

MATCHESSolution

Lift mutation state to a shared owner (same parent) or to shared global/local state (React Context/Redux or local state in a shared parent), and update that state inside `onSuccess`/`onError`/`onSettled` (or `isPending`) callbacks; alternatively, read mutation status via the same `useMutation` instance passed/shared with the other component.

MATCHESSolution

single worker running async loop. Outcome: So you have a single worker running async loop and you block that loop.

MATCHESSolution

If you convert all operations to perform asynchronously (using `aiosqlite`) , the issue will be mitigated. — When a route in FastAPI is listed as asynchronous (`async def`). Tension: that doesn't fully solve the inherent single writer problem of Sqlite. Outcome: Here's a fully operational update of the FastAPI server logic:.

MATCHESSolution

Move the persistence/cleanup logic into code that runs at the end of the background task (or otherwise extend lifecycle explicitly for the background task), rather than relying on the request-scoped `asynccontextmanager` teardown for those updates.

MATCHESSolution

any time you have an I/O bound process with lots of idle time — waiting for user input, waiting for a TLS handshake. Tension: wrapping it in an async task can let other code run.

MATCHESSolution

An async function was passed to useActionState.

MATCHESSolution

depending on your latency budget. Outcome: Same idea, but the state lives outside the process boundary.

MATCHESSolution

To stop the Service from Activity — when the activity is destroyed. Tension: the service appears to remain active—its notification stays visible.

MATCHESSolution

To get the effect you want. Tension: you're not resuming the parent before you wait for the child!

MATCHESSolution

Use a static Instance property, assign in OnAwake, and null it in OnDestroy with an identity guard — s&box. Outcome: Access from anywhere with BarFlipGameManager.Instance?.DoSomething().

MATCHESSolution

BuildHash controls when the panel re-renders. — s&box UI uses Razor (.razor files) paired with PanelComponent. Tension: Key patterns:. Outcome: StateHasChanged();.

MATCHESSolution

Use Sandbox.Services.Stats for leaderboards and Sandbox.Services.Achievements for achievements — s&box. Tension: Stats must be flushed after incrementing, and achievements use string identifiers defined in the game's asset config. Outcome: call at end of round/session.

MATCHESSolution

Use Component.Task (TaskSource) for all async work inside components — inside components. Tension: it auto-cancels when the component is destroyed.

MATCHESSolution

Add TemporaryEffect to GameObjects that should auto-destroy after effects finish — In the scene editor: add TemporaryEffect component to your effect prefab. Outcome: BecomeOrphan = true: if parent is destroyed, detach and finish playing.

MATCHESSolution

after mutating the property. Tension: Per-component refresh is broken. Outcome: always refresh the whole GameObject.

MATCHESSolution

CollectSyncState() iterates all components, finds [Sync] properties without [Property], serializes them to JSON — in SaveSystem.cs. Tension: Use JSON serialization first, with a ByteStream/BytePack fallback for types that don't serialize cleanly to JSON. Outcome: RestoreSyncState() is called before RestoreNetworkOwnership() in the Load path.

MATCHESSolution

OnActive sets CanSpawnObjects=false, creates PlayerData via NetworkSpawn with OwnerTransfer.Fixed, then calls SpawnPlayer. — From GameManager.cs in the official Sandbox gamemode.

MATCHESSolution

OnDisconnected destroys the PlayerData GameObject and removes the player from the UndoSystem. — GameManager implements INetworkListener. Tension: Clean up undo stacks. Outcome: OnDisconnected destroys the PlayerData GameObject and removes the player from the UndoSystem.

MATCHESSolution

call `body.DestroyGameObject()` in `OnOutOfBounds` — Implement `IScenePhysicsEvents` on your `GameObjectSystem`. Tension: prevents unbounded accumulation of out-of-world objects. Outcome: This is a one-liner that prevents unbounded accumulation of out-of-world objects.

MATCHESSolution

Store ownership as a `[Sync(SyncFlags.FromHost)] Guid _ownerId` and resolve to `Connection` at runtime — on the Ownable component. Tension: cancel grabs/selections when the caller doesn't have access.

MATCHESSolution

record that the side effect fired, check before firing again — awarding XP, delivering a notification, processing a queue item. Outcome: All three are instances of the same principle.

MATCHESSolution

Cache in OnAwake — Key s&box performance patterns from the optimizer skill:. Tension: GetComponent every frame. Outcome: Physics work in OnFixedUpdate.

MATCHESSolution

Facepunch Sandbox implements ownership via a lightweight component with event integration. — Ownable Component. Outcome: Verified in d:\GitHubStuff\sandbox\code\Components\Ownable.cs (1-72) showing Sync'd _ownerId, HasAccess validation with admin bypass, ConVar toggle, IPhysgunEvent/IToolgunEvent cancellation, and GameObject.HasAccess() extension method.

MATCHESSolution

Record original scene objects on startup — CleanupSystem Component. Tension: Efficient batch destruction.

MATCHESSolution

Rebuilt App.tsx as the OracleController beat machine. Outcome: running the authored cascade arrest→anchor→recognition→locked on setTimeout timers.

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