import { QueryClient } from '@tanstack/query-core';

/**
 * Query client instance
 */
export const queryClient = new QueryClient({
    defaultOptions: {
        queries: {
            /**
             * Default staleTime: 5 minutes
             */
            staleTime: 5 * 60 * 1000,
            /**
             * Default gcTime: 10 minutes
             */
            gcTime: 10 * 60 * 1000,
            refetchOnWindowFocus: false,
            refetchOnMount: true,
            retry: 3,
            /**
             * Exponential backoff
             */
            retryDelay: attemptIndex => Math.min(1000 * 2 ** attemptIndex, 30000),
        },
    },
});