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fix: result isn't changed when the member collection change v2 #716

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fix: result isn't changed when the member collection change v2 #716

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fix: result isn't changed when the member collection change v2
nkdengineer Dec 29, 2025
dd4a41c
Update lib/useOnyx.ts
nkdengineer Jan 7, 2026
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4 changes: 2 additions & 2 deletions lib/useOnyx.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -264,10 +264,10 @@
return result;
}

// We get the value from cache while the first connection to Onyx is being made,
// We get the value from cache while the first connection to Onyx is being made or if the key has changed,
// so we can return any cached value right away. After the connection is made, we only
// update `newValueRef` when `Onyx.connect()` callback is fired.
if (isFirstConnectionRef.current || shouldGetCachedValueRef.current) {
if (isFirstConnectionRef.current || shouldGetCachedValueRef.current || key !== previousKey) {
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@tgolen tgolen Dec 31, 2025

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It feels like there are already a handful of options that should help the original issue, without making this change. useOnyx() has options for:

  • initWithStoredValues
  • allowStaleData
  • allowDynamicKey
  • selectors with a dependency array

Wouldn't there be some combination of those that would fix the original problem in the issue?

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@tgolen tgolen Jan 5, 2026

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bump @nkdengineer ^

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@nkdengineer nkdengineer Jan 5, 2026

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I will check this today

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@nkdengineer nkdengineer Jan 6, 2026

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When the key from useOnyx is changed, the previousKey's value is returned because we don't update newValueRef.current until the Onyx.connect() is fired. This PR updates the getSnapshot function to get the value from cache immediately when the key is changed.

@tgolen From my investigation, when the key is changed but the subscribe isn't fired, the useOnyx returns the result of the previous key as I explained in the PR's details so I think we can't use the options you mentioned above

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@tgolen tgolen Jan 6, 2026

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when the key is changed but the subscribe isn't fired

What is the cause of this not happening?

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@nkdengineer nkdengineer Jan 7, 2026

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@tgolen It's the correct behavior since the Onyx.connect() need time to fire the callback

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@tgolen tgolen Jan 7, 2026

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But isn't that what this setting is for?

    /**
     * If set to `true`, data will be retrieved from cache during the first render even if there is a pending merge for the key.
     */
    allowStaleData?: boolean;

// Gets the value from cache and maps it with selector. It changes `null` to `undefined` for `useOnyx` compatibility.
const value = OnyxUtils.tryGetCachedValue(key) as OnyxValue<TKey>;
const selectedValue = memoizedSelector ? memoizedSelector(value) : value;
Expand Down Expand Up @@ -330,7 +330,7 @@

// If `canBeMissing` is set to `false` and the Onyx value of that key is not defined,
// we log an alert so it can be acknowledged by the consumer. Additionally, we won't log alerts
// if there's a `Onyx.clear()` task in progress.

Check warning on line 333 in lib/useOnyx.ts

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React Hook useCallback has a missing dependency: 'previousKey'. Either include it or remove the dependency array
if (options?.canBeMissing === false && newFetchStatus === 'loaded' && !isOnyxValueDefined && !OnyxCache.hasPendingTask(TASK.CLEAR)) {
Logger.logAlert(`useOnyx returned no data for key with canBeMissing set to false for key ${key}`, {showAlert: true});
}
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