fix(loading): Prevent isLoading from being true with fallbackData #4140
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When `fallbackData` is provided, `isLoading` should not be true initially. Instead, `isValidating` should be true to indicate background revalidation. This prevents a "flash of skeleton" UI when initial data is available. Fixes vercel#3046
…Data" This reverts commit 2bc18a2.
When `fallbackData` is provided, `isLoading` should not be true initially. Instead, `isValidating` should be true to indicate background revalidation. This prevents a "flash of skeleton" UI when initial data is available. Fixes vercel#3046
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This PR addresses an issue where
i 8000 sLoadingwas incorrectly set totrueeven whenfallbackDatawas provided, particularly in SSR scenarios. This led to a "flash of skeleton" UI, which is undesirable when initial data is already available.The change modifies the logic to ensure that
isLoadingremainsfalsewhenfallbackDatais present, whileisValidatingcorrectly reflects the background revalidation process. This allows the initial server-cached data to be displayed immediately, providing a smoother user experience.Fixes #3046