export declare const useAuthString = "export const useAuth = () => {\n  const [result, setResult] = React.useState({\n    error: undefined,\n    isLoading: true,\n    user: undefined,\n  });\n\n  const fetchCurrentUserAttributes = React.useCallback(async () => {\n    setResult((prevResult) => ({ ...prevResult, isLoading: true }));\n\n    try {\n      const attributes = await fetchUserAttributes();\n      setResult({ user: {attributes}, isLoading: false });\n    } catch (error) {\n      setResult({ error, isLoading: false });\n    }\n  }, []);\n\n  const handleAuth = React.useCallback(\n    ({ payload }) => {\n      switch (payload.event) {\n        case 'signedIn':\n        case 'signUp':\n        case 'tokenRefresh':\n        case 'autoSignIn': {\n          fetchCurrentUserAttributes();\n          break;\n        }\n        case 'signedOut': {\n          setResult({ user: undefined, isLoading: false });\n          break;\n        }\n\n        case 'tokenRefresh_failure':\n        case 'signIn_failure': {\n          setResult({ error: payload.data, isLoading: false });\n          break;\n        }\n        case 'autoSignIn_failure': {\n          setResult({ error: new Error(payload.message), isLoading: false });\n          break;\n        }\n\n        default: {\n          break;\n        }\n      }\n    },\n    [fetchCurrentUserAttributes]\n  );\n\n  React.useEffect(() => {\n    const unsubscribe = Hub.listen('auth', handleAuth, 'useAuth');\n    fetchCurrentUserAttributes();\n\n    return unsubscribe;\n  }, [handleAuth, fetchCurrentUserAttributes]);\n\n  return {\n    ...result,\n  };\n};";