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{"version":3,"sources":["../../src/HydrationBoundary.tsx"],"sourcesContent":["/* eslint-disable react-compiler/react-compiler */\n\n'use client'\nimport * as React from 'react'\n\nimport { hydrate } from '@tanstack/query-core'\nimport { useQueryClient } from './QueryClientProvider'\nimport type {\n DehydratedState,\n HydrateOptions,\n OmitKeyof,\n QueryClient,\n} from '@tanstack/query-core'\n\nexport interface HydrationBoundaryProps {\n state?: unknown\n options?: OmitKeyof<HydrateOptions, 'defaultOptions'> & {\n defaultOptions?: OmitKeyof<\n Exclude<HydrateOptions['defaultOptions'], undefined>,\n 'mutations'\n >\n }\n children?: React.ReactNode\n queryClient?: QueryClient\n}\n\nexport const HydrationBoundary = ({\n children,\n options = {},\n state,\n queryClient,\n}: HydrationBoundaryProps) => {\n const client = useQueryClient(queryClient)\n const [hydrationQueue, setHydrationQueue] = React.useState<\n DehydratedState['queries'] | undefined\n >()\n\n const optionsRef = React.useRef(options)\n optionsRef.current = options\n\n // This useMemo is for performance reasons only, everything inside it _must_\n // be safe to run in every render and code here should be read as \"in render\".\n //\n // This code needs to happen during the render phase, because after initial\n // SSR, hydration needs to happen _before_ children render. Also, if hydrating\n // during a transition, we want to hydrate as much as is safe in render so\n // we can prerender as much as possible.\n //\n // For any queries that already exist in the cache, we want to hold back on\n // hydrating until _after_ the render phase. The reason for this is that during\n // transitions, we don't want the existing queries and observers to update to\n // the new data on the current page, only _after_ the transition is committed.\n // If the transition is aborted, we will have hydrated any _new_ queries, but\n // we throw away the fresh data for any existing ones to avoid unexpectedly\n // updating the UI.\n React.useMemo(() => {\n if (state) {\n if (typeof state !== 'object') {\n return\n }\n\n const queryCache = client.getQueryCache()\n // eslint-disable-next-line @typescript-eslint/no-unnecessary-condition\n const queries = (state as DehydratedState).queries || []\n\n const newQueries: DehydratedState['queries'] = []\n const existingQueries: DehydratedState['queries'] = []\n for (const dehydratedQuery of queries) {\n const existingQuery = queryCache.get(dehydratedQuery.queryHash)\n\n if (!existingQuery) {\n newQueries.push(dehydratedQuery)\n } else {\n const hydrationIsNewer =\n dehydratedQuery.state.dataUpdatedAt >\n existingQuery.state.dataUpdatedAt\n const queryAlreadyQueued = hydrationQueue?.find(\n (query) => query.queryHash === dehydratedQuery.queryHash,\n )\n\n if (\n hydrationIsNewer &&\n (!queryAlreadyQueued ||\n dehydratedQuery.state.dataUpdatedAt >\n queryAlreadyQueued.state.dataUpdatedAt)\n ) {\n existingQueries.push(dehydratedQuery)\n }\n }\n }\n\n if (newQueries.length > 0) {\n // It's actually fine to call this with queries/state that already exists\n // in the cache, or is older. hydrate() is idempotent for queries.\n hydrate(client, { queries: newQueries }, optionsRef.current)\n }\n if (existingQueries.length > 0) {\n setHydrationQueue((prev) =>\n prev ? [...prev, ...existingQueries] : existingQueries,\n )\n }\n }\n }, [client, hydrationQueue, state])\n\n React.useEffect(() => {\n if (hydrationQueue) {\n hydrate(client, { queries: hydrationQueue }, optionsRef.current)\n setHydrationQueue(undefined)\n }\n }, [client, hydrationQueue])\n\n return children as React.ReactElement\n}\n"],"mappings":";;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;AAAA;AAAA;AAAA;AAAA;AAAA;AAGA,YAAuB;AAEvB,wBAAwB;AACx
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