Ilia Mashkov
46 lines
1.4 KiB
TypeScript
46 lines
1.4 KiB
TypeScript
import { QueryClient } from '@tanstack/query-core';
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/**
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* TanStack Query client instance
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*
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* Configured for optimal caching and refetching behavior.
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* Used by all font stores for data fetching and caching.
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*
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* Cache behavior:
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* - Data stays fresh for 5 minutes (staleTime)
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* - Unused data is garbage collected after 10 minutes (gcTime)
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* - No refetch on window focus (reduces unnecessary network requests)
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* - 3 retries with exponential backoff on failure
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*/
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export const queryClient = new QueryClient({
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defaultOptions: {
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queries: {
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/**
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* Data remains fresh for 5 minutes after fetch
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*/
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staleTime: 5 * 60 * 1000,
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/**
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* Unused cache entries are removed after 10 minutes
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*/
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gcTime: 10 * 60 * 1000,
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/**
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* Don't refetch when window regains focus
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*/
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refetchOnWindowFocus: false,
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/**
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* Refetch on mount if data is stale
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*/
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refetchOnMount: true,
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/**
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* Retry failed requests up to 3 times
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*/
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retry: 3,
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/**
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* Exponential backoff for retries
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* 1s, 2s, 4s, 8s... capped at 30s
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*/
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retryDelay: attemptIndex => Math.min(1000 * 2 ** attemptIndex, 30000),
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},
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},
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});
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