{
  "version": 3,
  "sources": ["../../../src/storeObservation/compiledHooks/useCompiledLazyLoadQuery.ts"],
  "sourcesContent": ["import { useRef, useEffect } from \"react\";\nimport { useQuery as useApolloQuery } from \"@apollo/client\";\nimport invariant from \"invariant\";\nimport { useDeepCompareMemoize } from \"./useDeepCompareMemoize\";\nimport { useForceUpdate } from \"./useForceUpdate\";\nimport { useOverridenOrDefaultApolloClient } from \"../../useOverridenOrDefaultApolloClient\";\n\nimport type {\n  ObservableQuery,\n  ApolloClient,\n  WatchQueryFetchPolicy,\n} from \"@apollo/client\";\nimport type { DocumentNode } from \"graphql\";\nimport type { CompiledArtefactModule } from \"@graphitation/apollo-react-relay-duct-tape-compiler\";\n\nclass ExecutionQueryHandler {\n  public status: [pending: boolean, error?: Error];\n  private querySubscription?: ZenObservable.Subscription;\n\n  constructor(private onDataReceive: () => void) {\n    this.status = [true, undefined];\n  }\n\n  public isIdle() {\n    return this.status[0] && this.querySubscription === undefined;\n  }\n\n  public dispose() {\n    this.querySubscription?.unsubscribe();\n    this.querySubscription = undefined;\n  }\n\n  public reset() {\n    this.dispose();\n    this.status = [true, undefined];\n  }\n\n  private handleResult(error: Error | undefined, loading?: boolean) {\n    this.status = [false, error];\n\n    /**\n    /* For cache-and-network, we return the result from the cache\n    /* immediately, but we don't want to dispose of the observable\n    /* until the network request completes.\n    */\n    if (!loading) {\n      this.dispose();\n    }\n    this.onDataReceive();\n  }\n\n  public subscribe(observable: ObservableQuery) {\n    this.querySubscription = observable.subscribe(\n      ({ error: err, loading }) => {\n        this.handleResult(err, loading);\n      },\n      (err) => {\n        this.handleResult(err);\n      },\n    );\n  }\n}\n\nfunction useExecutionQuery(\n  client: ApolloClient<unknown>,\n  executionQueryDocument: DocumentNode,\n  variables: Record<string, unknown>,\n  fetchPolicy: WatchQueryFetchPolicy | undefined,\n): [loading: boolean, error?: Error] {\n  const forceUpdate = useForceUpdate();\n  const execution = useRef(new ExecutionQueryHandler(() => forceUpdate()));\n  useEffect(() => {\n    if (execution.current.isIdle()) {\n      execution.current.subscribe(\n        client.watchQuery({\n          query: executionQueryDocument,\n          variables,\n          fetchPolicy,\n        }),\n      );\n    }\n    return () => {\n      execution.current.reset();\n    };\n  }, [executionQueryDocument, variables, fetchPolicy]);\n  return execution.current.status;\n}\n\n/**\n * @todo Rewrite this to mimic Relay's preload APIs\n *\n * @param documents Compiled execute and watch query documents that are used to\n *                  setup a narrow observable for just the data selected by the\n *                  original fragment.\n * @param options An object containing a variables field.\n */\nexport function useCompiledLazyLoadQuery(\n  documents: CompiledArtefactModule,\n  options: {\n    variables: Record<string, unknown>;\n    fetchPolicy?: WatchQueryFetchPolicy;\n  },\n  // eslint-disable-next-line @typescript-eslint/no-explicit-any\n): { data?: Record<string, any>; error?: Error } {\n  const { watchQueryDocument } = documents;\n  invariant(\n    watchQueryDocument,\n    \"useLazyLoadQuery(): Expected a `watchQueryDocument` to have been \" +\n      \"extracted. Did you forget to invoke the compiler?\",\n  );\n  const { executionQueryDocument } = documents;\n  invariant(\n    executionQueryDocument,\n    \"useLazyLoadQuery(): Expected a `executionQueryDocument` to have been \" +\n      \"extracted. Did you forget to invoke the compiler?\",\n  );\n  const client = useOverridenOrDefaultApolloClient();\n  const variables = useDeepCompareMemoize(options.variables);\n  // First fetch all data needed for the entire tree...\n  const [pending, error] = useExecutionQuery(\n    client,\n    executionQueryDocument,\n    variables,\n    options.fetchPolicy,\n  );\n  // ...then fetch/watch data for only the calling component...\n  const { data } = useApolloQuery(watchQueryDocument, {\n    client,\n    variables,\n    fetchPolicy: \"cache-only\",\n    // ...but only once finished loading.\n    skip: pending || !!error,\n  });\n  return { data, error };\n}\n"],
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