fix: stop redundant refetching of immutable gene data - #182
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Just a simple change to React Query's defaults (staleTime 0 + refetchOnWindowFocus) caused every view to re-fetch its data on each tab focus. BAR expression data is immutable per gene, so set staleTime Infinity and disable focus refetch app-wide; this made many redundant recalls to the (costly) API. Queries remain keyed by gene id, so switching genes still fetches and returning to a gene is served from cache. If we ever need to have a re-fetch (I doubt it) we'll change it back
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Just a simple change to React Query's defaults (staleTime 0 + refetchOnWindowFocus) caused every view to re-fetch its data on each tab focus/long pause like a subscriber-model. BAR expression data is immutable per gene, so set staleTime Infinity and disable focus refetch app-wide; this made many redundant recalls to the (costly) API. Queries remain keyed by gene id, so switching genes still fetches and returning to a gene is served from cache. If we ever need to have a re-fetch (I doubt it) we'll change it back.
Before:
After: