What is the best way to prevent a function running after its fetched and not loaded. | TanStack | Page 1

vale laurel Jan 23, 2024, 8:11 AM

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I have data that I want to live in short term cache. After initial load, I want to run a function against that data but not run that function if the data is 'fetched' again.

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What is the best way to prevent a function running after its fetched and not loaded.

fiery summit Jan 23, 2024, 8:32 AM

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what's the function doing? Since queries are idempotent, any transformation would likely need to be done again after a refetch

vale laurel Jan 23, 2024, 8:39 AM

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The function is loading PDF data into a 3rd party library from the blob data returned from a useQuery.

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I don't want to cache the data long term, since it could be large. I'm thinking potentially I make the stale time infinite but make the cache time small .

#What is the best way to prevent a function running after its fetched and not loaded.