Rewrite RTKQ internal subscription lookups and subscription syncing #3824
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- Changed `subscriptionUpdated` from a microtask to a 500ms throttle - Exposed the RTKQ internal middleware state to be returned via an internal action, so that hooks can read that state directly without needing to call `dispatch()` on every render. - Reworked tests to completely ignore `subscriptionsUpdated` in any action sequence checks due to timing changes and irrelevance - Fixed case where `invalidateTags` was still reading from store state
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markerikson
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phryneas
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Oct 26, 2023
| @@ -681,6 +682,27 @@ export function buildHooks<Definitions extends EndpointDefinitions>({ | |||
| Definitions | |||
| > | |||
| const dispatch = useDispatch<ThunkDispatch<any, any, UnknownAction>>() | |||
| const internalStateRef = useRef<InternalMiddlewareState | null>(null) | |||
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This logic in the hooks file hurts a bit. Maybe the middleware could return a hasSubscription function instead of the internal state itself?
phryneas
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Oct 26, 2023
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| const subscriptionSubState = | ||
| internalState.currentSubscriptions[queryCacheKey] ?? {} |
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Thank you for catching this one!
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subscriptionUpdatedfrom a microtask to a 500ms throttleExposed the RTKQ internal middleware state to be returned via aninternal action, so that hooks can read that state directly without
needing to call
dispatch()on every render.Updated the
batchActionsmiddleware to return aSubscriptionSelectorsobject with{getSubscriptions, getSubscriptionCount, isRequestSubscribed}, and used that in the hook (and tests)subscriptionsUpdatedin anyaction sequence checks due to timing changes and irrelevance
invalidateTagswas still reading from store state