@tanstack/start-client-core - npm Package Compare versions

Comparing version 1.170.7 to 1.170.8

dist/esm/createMiddleware.js.map

@@ -1,1 +0,1 @@
-{"version":3,"file":"createMiddleware.js","names":[],"sources":["../../src/createMiddleware.ts"],"sourcesContent":["import type { StartInstanceOptions } from './createStart'\nimport type {\n  AnyServerFn,\n  ConstrainValidator,\n  CustomFetch,\n  Method,\n} from './createServerFn'\nimport type { ClientFnMeta, ServerFnMeta } from './constants'\nimport type {\n  AnyContext,\n  Assign,\n  Constrain,\n  Expand,\n  IntersectAssign,\n  Register,\n  ResolveValidatorInput,\n  ResolveValidatorOutput,\n  ValidateSerializableInput,\n} from '@tanstack/router-core'\n\nexport type CreateMiddlewareFn<TRegister> = <TType extends MiddlewareType>(\n  options?: {\n    type?: TType\n  },\n  __opts?: FunctionMiddlewareOptions<\n    TRegister,\n    unknown,\n    undefined,\n    undefined,\n    undefined\n  >,\n) => CreateMiddlewareResult<TRegister, TType>\n\nexport const createMiddleware: CreateMiddlewareFn<{}> = (options, __opts) => {\n  const resolvedOptions = {\n    type: 'request',\n    ...(__opts || options),\n  }\n\n  return {\n    options: resolvedOptions,\n    middleware: (middleware: any) => {\n      return createMiddleware(\n        {} as any,\n        Object.assign(resolvedOptions, { middleware }),\n      ) as any\n    },\n    inputValidator: (inputValidator: any) => {\n      return createMiddleware(\n        {} as any,\n        Object.assign(resolvedOptions, { inputValidator }),\n      ) as any\n    },\n    client: (client: any) => {\n      return createMiddleware(\n        {} as any,\n        Object.assign(resolvedOptions, { client }),\n      ) as any\n    },\n    server: (server: any) => {\n      return createMiddleware(\n        {} as any,\n        Object.assign(resolvedOptions, { server }),\n      ) as any\n    },\n  } as any\n}\n\nexport type MiddlewareType = 'request' | 'function'\n\nexport type CreateMiddlewareResult<\n  TRegister,\n  TType extends MiddlewareType,\n> = 'request' extends TType\n  ? RequestMiddleware<TRegister>\n  : FunctionMiddleware<TRegister>\n\nexport interface FunctionMiddleware<\n  TRegister,\n> extends FunctionMiddlewareAfterMiddleware<TRegister, unknown> {\n  middleware: <const TNewMiddlewares = undefined>(\n    middlewares: Constrain<\n      TNewMiddlewares,\n      ReadonlyArray<AnyRequestMiddleware | AnyFunctionMiddleware>\n    >,\n  ) => FunctionMiddlewareAfterMiddleware<TRegister, TNewMiddlewares>\n}\n\nexport interface FunctionMiddlewareAfterMiddleware<TRegister, TMiddlewares>\n  extends\n    FunctionMiddlewareWithTypes<\n      TRegister,\n      TMiddlewares,\n      undefined,\n      undefined,\n      undefined,\n      undefined,\n      undefined\n    >,\n    FunctionMiddlewareServer<\n      TRegister,\n      TMiddlewares,\n      undefined,\n      undefined,\n      undefined\n    >,\n    FunctionMiddlewareClient<TRegister, TMiddlewares, undefined>,\n    FunctionMiddlewareValidator<TRegister, TMiddlewares> {}\n\nexport interface FunctionMiddlewareWithTypes<\n  TRegister,\n  TMiddlewares,\n  TInputValidator,\n  TServerContext,\n  TServerSendContext,\n  TClientContext,\n  TClientSendContext,\n> {\n  '~types': FunctionMiddlewareTypes<\n    TRegister,\n    TMiddlewares,\n    TInputValidator,\n    TServerContext,\n    TServerSendContext,\n    TClientContext,\n    TClientSendContext\n  >\n  options: FunctionMiddlewareOptions<\n    TRegister,\n    TMiddlewares,\n    TInputValidator,\n    TServerContext,\n    TClientContext\n  >\n}\n\nexport interface FunctionMiddlewareTypes<\n  in out TRegister,\n  in out TMiddlewares,\n  in out TInputValidator,\n  in out TServerContext,\n  in out TServerSendContext,\n  in out TClientContext,\n  in out TClientSendContext,\n> {\n  type: 'function'\n  middlewares: TMiddlewares\n  input: ResolveValidatorInput<TInputValidator>\n  allInput: IntersectAllValidatorInputs<TMiddlewares, TInputValidator>\n  output: ResolveValidatorOutput<TInputValidator>\n  allOutput: IntersectAllValidatorOutputs<TMiddlewares, TInputValidator>\n  clientContext: TClientContext\n  allClientContextBeforeNext: AssignAllClientContextBeforeNext<\n    TMiddlewares,\n    TClientContext\n  >\n  allClientContextAfterNext: AssignAllClientContextAfterNext<\n    TMiddlewares,\n    TClientContext,\n    TClientSendContext\n  >\n  serverContext: TServerContext\n  serverSendContext: TServerSendContext\n  allServerSendContext: AssignAllServerSendContext<\n    TMiddlewares,\n    TServerSendContext\n  >\n  allServerContext: AssignAllServerFnContext<\n    TRegister,\n    TMiddlewares,\n    TServerSendContext,\n    TServerContext\n  >\n  clientSendContext: TClientSendContext\n  allClientSendContext: AssignAllClientSendContext<\n    TMiddlewares,\n    TClientSendContext\n  >\n  inputValidator: TInputValidator\n}\n\n/**\n * Recursively resolve the input type produced by a sequence of middleware\n */\nexport type IntersectAllValidatorInputs<TMiddlewares, TInputValidator> =\n  unknown extends TInputValidator\n    ? TInputValidator\n    : TInputValidator extends undefined\n      ? IntersectAllMiddleware<TMiddlewares, 'allInput'>\n      : IntersectAssign<\n          IntersectAllMiddleware<TMiddlewares, 'allInput'>,\n          ResolveValidatorInput<TInputValidator>\n        >\n\nexport type IntersectAllMiddleware<\n  TMiddlewares,\n  TType extends\n    | keyof AnyFunctionMiddleware['~types']\n    | keyof AnyRequestMiddleware['~types']\n    | keyof AnyServerFn['~types'],\n  TAcc = undefined,\n> = TMiddlewares extends readonly [infer TMiddleware, ...infer TRest]\n  ? TMiddleware extends\n      | AnyFunctionMiddleware\n      | AnyRequestMiddleware\n      | AnyServerFn\n    ? IntersectAllMiddleware<\n        TRest,\n        TType,\n        IntersectAssign<\n          TAcc,\n          TMiddleware['~types'][TType & keyof TMiddleware['~types']]\n        >\n      >\n    : TAcc\n  : TAcc\n\nexport type AnyFunctionMiddleware = FunctionMiddlewareWithTypes<\n  any,\n  any,\n  any,\n  any,\n  any,\n  any,\n  any\n>\n\n/**\n * Recursively merge the output type produced by a sequence of middleware\n */\nexport type IntersectAllValidatorOutputs<TMiddlewares, TInputValidator> =\n  unknown extends TInputValidator\n    ? TInputValidator\n    : TInputValidator extends undefined\n      ? IntersectAllMiddleware<TMiddlewares, 'allOutput'>\n      : IntersectAssign<\n          IntersectAllMiddleware<TMiddlewares, 'allOutput'>,\n          Awaited<ResolveValidatorOutput<TInputValidator>>\n        >\n\n/**\n * Recursively resolve the client context type produced by a sequence of middleware\n */\nexport type AssignAllClientContextBeforeNext<\n  TMiddlewares,\n  TClientContext = undefined,\n> = unknown extends TClientContext\n  ? TClientContext\n  : Assign<\n      AssignAllMiddleware<TMiddlewares, 'allClientContextBeforeNext'>,\n      TClientContext\n    >\n\nexport type AssignAllMiddleware<\n  TMiddlewares,\n  TType extends\n    | keyof AnyFunctionMiddleware['~types']\n    | keyof AnyRequestMiddleware['~types']\n    | keyof AnyServerFn['~types'],\n  TAcc = undefined,\n> = TMiddlewares extends readonly [infer TMiddleware, ...infer TRest]\n  ? TMiddleware extends\n      | AnyFunctionMiddleware\n      | AnyRequestMiddleware\n      | AnyServerFn\n    ? AssignAllMiddleware<\n        TRest,\n        TType,\n        Assign<TAcc, TMiddleware['~types'][TType & keyof TMiddleware['~types']]>\n      >\n    : TAcc\n  : TAcc\n\nexport type AssignAllClientContextAfterNext<\n  TMiddlewares,\n  TClientContext = undefined,\n  TSendContext = undefined,\n> = unknown extends TClientContext\n  ? Assign<TClientContext, TSendContext>\n  : Assign<\n      AssignAllMiddleware<TMiddlewares, 'allClientContextAfterNext'>,\n      Assign<TClientContext, TSendContext>\n    >\n\nexport type AssignAllServerSendContext<\n  TMiddlewares,\n  TSendContext = undefined,\n> = unknown extends TSendContext\n  ? TSendContext\n  : Assign<\n      AssignAllMiddleware<TMiddlewares, 'allServerSendContext'>,\n      TSendContext\n    >\n\nexport type AssignAllServerRequestContext<\n  TRegister,\n  TMiddlewares,\n  TSendContext = undefined,\n  TServerContext = undefined,\n> = Assign<\n  // Fetch Request Context\n  GlobalFetchRequestContext,\n  Assign<\n    GlobalServerRequestContext<TRegister>,\n    __AssignAllServerRequestContext<TMiddlewares, TSendContext, TServerContext>\n  >\n>\n\n// export type GlobalFetchRequestContext<TRegister> = AnyContext\nexport type GlobalFetchRequestContext = Register extends {\n  server: { requestContext: infer TRequestContext }\n}\n  ? TRequestContext\n  : AnyContext\n\nexport type GlobalServerRequestContext<TRegister> = TRegister extends {\n  config: StartInstanceOptions<any, any, infer TRequestMiddlewares, any>\n}\n  ? AssignAllMiddleware<TRequestMiddlewares, 'allServerContext'>\n  : AnyContext\n\ntype __AssignAllServerRequestContext<\n  TMiddlewares,\n  TSendContext = undefined,\n  TServerContext = undefined,\n> = unknown extends TSendContext\n  ? Assign<TSendContext, TServerContext>\n  : Assign<\n      AssignAllMiddleware<TMiddlewares, 'allServerContext'>,\n      Assign<TSendContext, TServerContext>\n    >\n\nexport type AssignAllServerFnContext<\n  TRegister,\n  TMiddlewares,\n  TSendContext = undefined,\n  TServerContext = undefined,\n> = Assign<\n  GlobalFetchRequestContext,\n  Assign<\n    GlobalServerRequestContext<TRegister>, // TODO: This enabled global middleware\n    // type inference, but creates a circular types issue. No idea how to fix this.\n    // AnyContext,\n    Assign<\n      GlobalServerFnContext<TRegister>, // TODO: This enabled global middleware\n      // type inference, but creates a circular types issue. No idea how to fix this.\n      // AnyContext,/\n      __AssignAllServerFnContext<TMiddlewares, TSendContext, TServerContext>\n    >\n  >\n>\n\ntype GlobalServerFnContext<TRegister> = TRegister extends {\n  config: StartInstanceOptions<any, any, any, infer TFunctionMiddlewares>\n}\n  ? AssignAllMiddleware<TFunctionMiddlewares, 'allServerContext'>\n  : AnyContext\n\ntype __AssignAllServerFnContext<\n  TMiddlewares,\n  TSendContext = undefined,\n  TServerContext = undefined,\n> = unknown extends TSendContext\n  ? Assign<TSendContext, TServerContext>\n  : Assign<\n      AssignAllMiddleware<TMiddlewares, 'allServerContext'>,\n      Assign<TSendContext, TServerContext>\n    >\n\nexport type AssignAllClientSendContext<\n  TMiddlewares,\n  TSendContext = undefined,\n> = unknown extends TSendContext\n  ? TSendContext\n  : Assign<\n      AssignAllMiddleware<TMiddlewares, 'allClientSendContext'>,\n      TSendContext\n    >\n\nexport interface FunctionMiddlewareOptions<\n  in out TRegister,\n  in out TMiddlewares,\n  in out TInputValidator,\n  in out TServerContext,\n  in out TClientContext,\n> {\n  middleware?: TMiddlewares\n  inputValidator?: ConstrainValidator<TRegister, 'GET', TInputValidator>\n  client?: FunctionMiddlewareClientFn<\n    TRegister,\n    TMiddlewares,\n    TInputValidator,\n    TServerContext,\n    TClientContext\n  >\n  server?: FunctionMiddlewareServerFn<\n    TRegister,\n    TMiddlewares,\n    TInputValidator,\n    TServerContext,\n    unknown,\n    unknown\n  >\n}\n\nexport type FunctionMiddlewareClientNextFn<TRegister, TMiddlewares> = <\n  TSendContext = undefined,\n  TNewClientContext = undefined,\n>(ctx?: {\n  context?: TNewClientContext\n  sendContext?: ValidateSerializableInput<TRegister, TSendContext>\n  headers?: HeadersInit\n  fetch?: CustomFetch\n}) => Promise<\n  FunctionClientResultWithContext<TMiddlewares, TSendContext, TNewClientContext>\n>\n\nexport interface FunctionMiddlewareServer<\n  TRegister,\n  TMiddlewares,\n  TInputValidator,\n  TServerSendContext,\n  TClientContext,\n> {\n  server: <TNewServerContext = undefined, TSendContext = undefined>(\n    server: FunctionMiddlewareServerFn<\n      TRegister,\n      TMiddlewares,\n      TInputValidator,\n      TServerSendContext,\n      TNewServerContext,\n      TSendContext\n    >,\n  ) => FunctionMiddlewareAfterServer<\n    TRegister,\n    TMiddlewares,\n    TInputValidator,\n    TNewServerContext,\n    TServerSendContext,\n    TClientContext,\n    TSendContext\n  >\n}\n\nexport type FunctionMiddlewareServerFn<\n  TRegister,\n  TMiddlewares,\n  TInputValidator,\n  TServerSendContext,\n  TNewServerContext,\n  TSendContext,\n> = (\n  options: FunctionMiddlewareServerFnOptions<\n    TRegister,\n    TMiddlewares,\n    TInputValidator,\n    TServerSendContext\n  >,\n) => FunctionMiddlewareServerFnResult<\n  TRegister,\n  TMiddlewares,\n  TServerSendContext,\n  TNewServerContext,\n  TSendContext\n>\n\nexport type FunctionMiddlewareServerNextFn<\n  TRegister,\n  TMiddlewares,\n  TServerSendContext,\n> = <TNewServerContext = undefined, TSendContext = undefined>(ctx?: {\n  context?: TNewServerContext\n  sendContext?: ValidateSerializableInput<TRegister, TSendContext>\n}) => Promise<\n  FunctionServerResultWithContext<\n    TRegister,\n    TMiddlewares,\n    TServerSendContext,\n    TNewServerContext,\n    TSendContext\n  >\n>\n\nexport type FunctionServerResultWithContext<\n  in out TRegister,\n  in out TMiddlewares,\n  in out TServerSendContext,\n  in out TServerContext,\n  in out TSendContext,\n> = {\n  'use functions must return the result of next()': true\n  '~types': {\n    context: TServerContext\n    sendContext: TSendContext\n  }\n  context: Expand<\n    AssignAllServerFnContext<\n      TRegister,\n      TMiddlewares,\n      TServerSendContext,\n      TServerContext\n    >\n  >\n  sendContext: Expand<AssignAllClientSendContext<TMiddlewares, TSendContext>>\n}\n\nexport interface FunctionMiddlewareServerFnOptions<\n  in out TRegister,\n  in out TMiddlewares,\n  in out TInputValidator,\n  in out TServerSendContext,\n> {\n  data: Expand<IntersectAllValidatorOutputs<TMiddlewares, TInputValidator>>\n  context: Expand<\n    AssignAllServerFnContext<TRegister, TMiddlewares, TServerSendContext>\n  >\n  next: FunctionMiddlewareServerNextFn<\n    TRegister,\n    TMiddlewares,\n    TServerSendContext\n  >\n  method: Method\n  serverFnMeta: ServerFnMeta\n  signal: AbortSignal\n}\n\nexport type FunctionMiddlewareServerFnResult<\n  TRegister,\n  TMiddlewares,\n  TServerSendContext,\n  TServerContext,\n  TSendContext,\n> =\n  | Promise<\n      FunctionServerResultWithContext<\n        TRegister,\n        TMiddlewares,\n        TServerSendContext,\n        TServerContext,\n        TSendContext\n      >\n    >\n  | FunctionServerResultWithContext<\n      TRegister,\n      TMiddlewares,\n      TServerSendContext,\n      TServerContext,\n      TSendContext\n    >\n\nexport interface FunctionMiddlewareAfterServer<\n  TRegister,\n  TMiddlewares,\n  TInputValidator,\n  TServerContext,\n  TServerSendContext,\n  TClientContext,\n  TClientSendContext,\n> extends FunctionMiddlewareWithTypes<\n  TRegister,\n  TMiddlewares,\n  TInputValidator,\n  TServerContext,\n  TServerSendContext,\n  TClientContext,\n  TClientSendContext\n> {}\n\nexport interface FunctionMiddlewareClient<\n  TRegister,\n  TMiddlewares,\n  TInputValidator,\n> {\n  client: <TSendServerContext = undefined, TNewClientContext = undefined>(\n    client: FunctionMiddlewareClientFn<\n      TRegister,\n      TMiddlewares,\n      TInputValidator,\n      TSendServerContext,\n      TNewClientContext\n    >,\n  ) => FunctionMiddlewareAfterClient<\n    TRegister,\n    TMiddlewares,\n    TInputValidator,\n    TSendServerContext,\n    TNewClientContext\n  >\n}\n\nexport type FunctionMiddlewareClientFn<\n  TRegister,\n  TMiddlewares,\n  TInputValidator,\n  TSendContext,\n  TClientContext,\n> = (\n  options: FunctionMiddlewareClientFnOptions<\n    TRegister,\n    TMiddlewares,\n    TInputValidator\n  >,\n) => FunctionMiddlewareClientFnResult<\n  TMiddlewares,\n  TSendContext,\n  TClientContext\n>\n\nexport interface FunctionMiddlewareClientFnOptions<\n  in out TRegister,\n  in out TMiddlewares,\n  in out TInputValidator,\n> {\n  data: Expand<IntersectAllValidatorInputs<TMiddlewares, TInputValidator>>\n  context: Expand<AssignAllClientContextBeforeNext<TMiddlewares>>\n  sendContext: Expand<AssignAllServerSendContext<TMiddlewares>>\n  method: Method\n  signal: AbortSignal\n  serverFnMeta: ClientFnMeta\n  next: FunctionMiddlewareClientNextFn<TRegister, TMiddlewares>\n  filename: string\n  fetch?: CustomFetch\n}\n\nexport type FunctionMiddlewareClientFnResult<\n  TMiddlewares,\n  TSendContext,\n  TClientContext,\n> =\n  | Promise<\n      FunctionClientResultWithContext<\n        TMiddlewares,\n        TSendContext,\n        TClientContext\n      >\n    >\n  | FunctionClientResultWithContext<TMiddlewares, TSendContext, TClientContext>\n\nexport type FunctionClientResultWithContext<\n  in out TMiddlewares,\n  in out TSendContext,\n  in out TClientContext,\n> = {\n  'use functions must return the result of next()': true\n  context: Expand<AssignAllClientContextAfterNext<TMiddlewares, TClientContext>>\n  sendContext: Expand<AssignAllServerSendContext<TMiddlewares, TSendContext>>\n  headers: HeadersInit\n  fetch?: CustomFetch\n}\n\nexport interface FunctionMiddlewareAfterClient<\n  TRegister,\n  TMiddlewares,\n  TInputValidator,\n  TServerSendContext,\n  TClientContext,\n>\n  extends\n    FunctionMiddlewareWithTypes<\n      TRegister,\n      TMiddlewares,\n      TInputValidator,\n      undefined,\n      TServerSendContext,\n      TClientContext,\n      undefined\n    >,\n    FunctionMiddlewareServer<\n      TRegister,\n      TMiddlewares,\n      TInputValidator,\n      TServerSendContext,\n      TClientContext\n    > {}\n\nexport interface FunctionMiddlewareValidator<TRegister, TMiddlewares> {\n  inputValidator: <TNewValidator>(\n    inputValidator: ConstrainValidator<TRegister, 'GET', TNewValidator>,\n  ) => FunctionMiddlewareAfterValidator<TRegister, TMiddlewares, TNewValidator>\n}\n\nexport interface FunctionMiddlewareAfterValidator<\n  TRegister,\n  TMiddlewares,\n  TInputValidator,\n>\n  extends\n    FunctionMiddlewareWithTypes<\n      TRegister,\n      TMiddlewares,\n      TInputValidator,\n      undefined,\n      undefined,\n      undefined,\n      undefined\n    >,\n    FunctionMiddlewareServer<\n      TRegister,\n      TMiddlewares,\n      TInputValidator,\n      undefined,\n      undefined\n    >,\n    FunctionMiddlewareClient<TRegister, TMiddlewares, TInputValidator> {}\n\nexport interface RequestMiddleware<\n  TRegister,\n> extends RequestMiddlewareAfterMiddleware<TRegister, undefined> {\n  middleware: <const TMiddlewares = undefined>(\n    middlewares: Constrain<TMiddlewares, ReadonlyArray<AnyRequestMiddleware>>,\n  ) => RequestMiddlewareAfterMiddleware<TRegister, TMiddlewares>\n}\n\nexport type AnyRequestMiddleware = RequestMiddlewareWithTypes<any, any, any>\n\nexport interface RequestMiddlewareWithTypes<\n  TRegister,\n  TMiddlewares,\n  TServerContext,\n> {\n  '~types': RequestMiddlewareTypes<TRegister, TMiddlewares, TServerContext>\n  options: RequestMiddlewareOptions<TRegister, TMiddlewares, TServerContext>\n}\n\nexport interface RequestMiddlewareOptions<\n  in out TRegister,\n  in out TMiddlewares,\n  in out TServerContext,\n> {\n  middleware?: TMiddlewares\n  server?: RequestServerFn<TRegister, TMiddlewares, TServerContext>\n}\nexport interface RequestMiddlewareTypes<\n  TRegister,\n  TMiddlewares,\n  TServerContext,\n> {\n  type: 'request'\n  // this only exists so we can use request middlewares in server functions\n  allInput: undefined\n  // this only exists so we can use request middlewares in server functions\n  allOutput: undefined\n  middlewares: TMiddlewares\n  serverContext: TServerContext\n  allServerContext: AssignAllServerRequestContext<\n    TRegister,\n    TMiddlewares,\n    undefined,\n    TServerContext\n  >\n}\n\nexport interface RequestMiddlewareAfterMiddleware<TRegister, TMiddlewares>\n  extends\n    RequestMiddlewareWithTypes<TRegister, TMiddlewares, undefined>,\n    RequestMiddlewareServer<TRegister, TMiddlewares> {}\n\nexport interface RequestMiddlewareServer<TRegister, TMiddlewares> {\n  server: <TServerContext = undefined>(\n    fn: RequestServerFn<TRegister, TMiddlewares, TServerContext>,\n  ) => RequestMiddlewareAfterServer<TRegister, TMiddlewares, TServerContext>\n}\n\nexport type RequestServerFn<TRegister, TMiddlewares, TServerContext> = (\n  options: RequestServerOptions<TRegister, TMiddlewares>,\n) => RequestMiddlewareServerFnResult<TRegister, TMiddlewares, TServerContext>\n\nexport interface RequestServerOptions<TRegister, TMiddlewares> {\n  request: Request\n  pathname: string\n  context: Expand<AssignAllServerRequestContext<TRegister, TMiddlewares>>\n  next: RequestServerNextFn<TRegister, TMiddlewares>\n  /**\n   * Type of Start handler currently processing this request.\n   */\n  handlerType: 'serverFn' | 'router'\n  /**\n   * Metadata about the server function being invoked.\n   * This is only present when the request is handling a server function call.\n   * For regular page requests, this will be undefined.\n   */\n  serverFnMeta?: ServerFnMeta\n}\n\nexport type RequestServerNextFn<TRegister, TMiddlewares> = <\n  TServerContext = undefined,\n>(\n  options?: RequestServerNextFnOptions<TServerContext>,\n) => RequestServerNextFnResult<TRegister, TMiddlewares, TServerContext>\n\nexport interface RequestServerNextFnOptions<TServerContext> {\n  context?: TServerContext\n}\n\nexport type RequestServerNextFnResult<TRegister, TMiddlewares, TServerContext> =\n  | Promise<RequestServerResult<TRegister, TMiddlewares, TServerContext>>\n  | RequestServerResult<TRegister, TMiddlewares, TServerContext>\n\nexport type RequestMiddlewareServerFnResult<\n  TRegister,\n  TMiddlewares,\n  TServerContext,\n> =\n  | Promise<\n      RequestServerResult<TRegister, TMiddlewares, TServerContext> | Response\n    >\n  | RequestServerResult<TRegister, TMiddlewares, TServerContext>\n  | Response\n\nexport interface RequestServerResult<TRegister, TMiddlewares, TServerContext> {\n  request: Request\n  pathname: string\n  context: Expand<\n    AssignAllServerRequestContext<\n      TRegister,\n      TMiddlewares,\n      undefined,\n      TServerContext\n    >\n  >\n  response: Response\n}\n\nexport interface RequestMiddlewareAfterServer<\n  TRegister,\n  TMiddlewares,\n  TServerContext,\n> extends RequestMiddlewareWithTypes<TRegister, TMiddlewares, TServerContext> 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+{"version":3,"file":"createMiddleware.js","names":[],"sources":["../../src/createMiddleware.ts"],"sourcesContent":["import type { StartInstanceOptions } from './createStart'\nimport type {\n  AnyServerFn,\n  ConstrainValidator,\n  CustomFetch,\n  Method,\n} from './createServerFn'\nimport type { ClientFnMeta, ServerFnMeta } from './constants'\nimport type {\n  AnyContext,\n  Assign,\n  Constrain,\n  Expand,\n  IntersectAssign,\n  Register,\n  ResolveValidatorInput,\n  ResolveValidatorOutput,\n  ValidateSerializableInput,\n} from '@tanstack/router-core'\n\nexport type CreateMiddlewareFn<TRegister> = <TType extends MiddlewareType>(\n  options?: {\n    type?: TType\n  },\n  __opts?: FunctionMiddlewareOptions<\n    TRegister,\n    unknown,\n    undefined,\n    undefined,\n    undefined\n  >,\n) => CreateMiddlewareResult<TRegister, TType>\n\nexport const createMiddleware: CreateMiddlewareFn<{}> = (options, __opts) => {\n  const resolvedOptions = {\n    type: 'request',\n    ...(__opts || options),\n  }\n\n  return {\n    options: resolvedOptions,\n    middleware: (middleware: any) => {\n      return createMiddleware(\n        {},\n        Object.assign(resolvedOptions, { middleware }),\n      )\n    },\n    inputValidator: (inputValidator: any) => {\n      return createMiddleware(\n        {},\n        Object.assign(resolvedOptions, { inputValidator }),\n      )\n    },\n    client: (client: any) => {\n      return createMiddleware({}, Object.assign(resolvedOptions, { client }))\n    },\n    server: (server: any) => {\n      return createMiddleware({}, Object.assign(resolvedOptions, { server }))\n    },\n  } as any\n}\n\nexport type MiddlewareType = 'request' | 'function'\n\nexport type CreateMiddlewareResult<\n  TRegister,\n  TType extends MiddlewareType,\n> = 'request' extends TType\n  ? RequestMiddleware<TRegister>\n  : FunctionMiddleware<TRegister>\n\nexport interface FunctionMiddleware<\n  TRegister,\n> extends FunctionMiddlewareAfterMiddleware<TRegister, unknown> {\n  middleware: <const TNewMiddlewares = undefined>(\n    middlewares: Constrain<\n      TNewMiddlewares,\n      ReadonlyArray<AnyRequestMiddleware | AnyFunctionMiddleware>\n    >,\n  ) => FunctionMiddlewareAfterMiddleware<TRegister, TNewMiddlewares>\n}\n\nexport interface FunctionMiddlewareAfterMiddleware<TRegister, TMiddlewares>\n  extends\n    FunctionMiddlewareWithTypes<\n      TRegister,\n      TMiddlewares,\n      undefined,\n      undefined,\n      undefined,\n      undefined,\n      undefined\n    >,\n    FunctionMiddlewareServer<\n      TRegister,\n      TMiddlewares,\n      undefined,\n      undefined,\n      undefined\n    >,\n    FunctionMiddlewareClient<TRegister, TMiddlewares, undefined>,\n    FunctionMiddlewareValidator<TRegister, TMiddlewares> {}\n\nexport interface FunctionMiddlewareWithTypes<\n  TRegister,\n  TMiddlewares,\n  TInputValidator,\n  TServerContext,\n  TServerSendContext,\n  TClientContext,\n  TClientSendContext,\n> {\n  '~types': FunctionMiddlewareTypes<\n    TRegister,\n    TMiddlewares,\n    TInputValidator,\n    TServerContext,\n    TServerSendContext,\n    TClientContext,\n    TClientSendContext\n  >\n  options: FunctionMiddlewareOptions<\n    TRegister,\n    TMiddlewares,\n    TInputValidator,\n    TServerContext,\n    TClientContext\n  >\n}\n\nexport interface FunctionMiddlewareTypes<\n  in out TRegister,\n  in out TMiddlewares,\n  in out TInputValidator,\n  in out TServerContext,\n  in out TServerSendContext,\n  in out TClientContext,\n  in out TClientSendContext,\n> {\n  type: 'function'\n  middlewares: TMiddlewares\n  input: ResolveValidatorInput<TInputValidator>\n  allInput: IntersectAllValidatorInputs<TMiddlewares, TInputValidator>\n  output: ResolveValidatorOutput<TInputValidator>\n  allOutput: IntersectAllValidatorOutputs<TMiddlewares, TInputValidator>\n  clientContext: TClientContext\n  allClientContextBeforeNext: AssignAllClientContextBeforeNext<\n    TMiddlewares,\n    TClientContext\n  >\n  allClientContextAfterNext: AssignAllClientContextAfterNext<\n    TMiddlewares,\n    TClientContext,\n    TClientSendContext\n  >\n  serverContext: TServerContext\n  serverSendContext: TServerSendContext\n  allServerSendContext: AssignAllServerSendContext<\n    TMiddlewares,\n    TServerSendContext\n  >\n  allServerContext: AssignAllServerFnContext<\n    TRegister,\n    TMiddlewares,\n    TServerSendContext,\n    TServerContext\n  >\n  clientSendContext: TClientSendContext\n  allClientSendContext: AssignAllClientSendContext<\n    TMiddlewares,\n    TClientSendContext\n  >\n  inputValidator: TInputValidator\n}\n\n/**\n * Recursively resolve the input type produced by a sequence of middleware\n */\nexport type IntersectAllValidatorInputs<TMiddlewares, TInputValidator> =\n  unknown extends TInputValidator\n    ? TInputValidator\n    : TInputValidator extends undefined\n      ? IntersectAllMiddleware<TMiddlewares, 'allInput'>\n      : IntersectAssign<\n          IntersectAllMiddleware<TMiddlewares, 'allInput'>,\n          ResolveValidatorInput<TInputValidator>\n        >\n\nexport type IntersectAllMiddleware<\n  TMiddlewares,\n  TType extends\n    | keyof AnyFunctionMiddleware['~types']\n    | keyof AnyRequestMiddleware['~types']\n    | keyof AnyServerFn['~types'],\n  TAcc = undefined,\n> = TMiddlewares extends readonly [infer TMiddleware, ...infer TRest]\n  ? TMiddleware extends\n      | AnyFunctionMiddleware\n      | AnyRequestMiddleware\n      | AnyServerFn\n    ? IntersectAllMiddleware<\n        TRest,\n        TType,\n        IntersectAssign<\n          TAcc,\n          TMiddleware['~types'][TType & keyof TMiddleware['~types']]\n        >\n      >\n    : TAcc\n  : TAcc\n\nexport type AnyFunctionMiddleware = FunctionMiddlewareWithTypes<\n  any,\n  any,\n  any,\n  any,\n  any,\n  any,\n  any\n>\n\n/**\n * Recursively merge the output type produced by a sequence of middleware\n */\nexport type IntersectAllValidatorOutputs<TMiddlewares, TInputValidator> =\n  unknown extends TInputValidator\n    ? TInputValidator\n    : TInputValidator extends undefined\n      ? IntersectAllMiddleware<TMiddlewares, 'allOutput'>\n      : IntersectAssign<\n          IntersectAllMiddleware<TMiddlewares, 'allOutput'>,\n          Awaited<ResolveValidatorOutput<TInputValidator>>\n        >\n\n/**\n * Recursively resolve the client context type produced by a sequence of middleware\n */\nexport type AssignAllClientContextBeforeNext<\n  TMiddlewares,\n  TClientContext = undefined,\n> = unknown extends TClientContext\n  ? TClientContext\n  : Assign<\n      AssignAllMiddleware<TMiddlewares, 'allClientContextBeforeNext'>,\n      TClientContext\n    >\n\nexport type AssignAllMiddleware<\n  TMiddlewares,\n  TType extends\n    | keyof AnyFunctionMiddleware['~types']\n    | keyof AnyRequestMiddleware['~types']\n    | keyof AnyServerFn['~types'],\n  TAcc = undefined,\n> = TMiddlewares extends readonly [infer TMiddleware, ...infer TRest]\n  ? TMiddleware extends\n      | AnyFunctionMiddleware\n      | AnyRequestMiddleware\n      | AnyServerFn\n    ? AssignAllMiddleware<\n        TRest,\n        TType,\n        Assign<TAcc, TMiddleware['~types'][TType & keyof TMiddleware['~types']]>\n      >\n    : TAcc\n  : TAcc\n\nexport type AssignAllClientContextAfterNext<\n  TMiddlewares,\n  TClientContext = undefined,\n  TSendContext = undefined,\n> = unknown extends TClientContext\n  ? Assign<TClientContext, TSendContext>\n  : Assign<\n      AssignAllMiddleware<TMiddlewares, 'allClientContextAfterNext'>,\n      Assign<TClientContext, TSendContext>\n    >\n\nexport type AssignAllServerSendContext<\n  TMiddlewares,\n  TSendContext = undefined,\n> = unknown extends TSendContext\n  ? TSendContext\n  : Assign<\n      AssignAllMiddleware<TMiddlewares, 'allServerSendContext'>,\n      TSendContext\n    >\n\nexport type AssignAllServerRequestContext<\n  TRegister,\n  TMiddlewares,\n  TSendContext = undefined,\n  TServerContext = undefined,\n> = Assign<\n  // Fetch Request Context\n  GlobalFetchRequestContext,\n  Assign<\n    GlobalServerRequestContext<TRegister>,\n    __AssignAllServerRequestContext<TMiddlewares, TSendContext, TServerContext>\n  >\n>\n\n// export type GlobalFetchRequestContext<TRegister> = AnyContext\nexport type GlobalFetchRequestContext = Register extends {\n  server: { requestContext: infer TRequestContext }\n}\n  ? TRequestContext\n  : AnyContext\n\nexport type GlobalServerRequestContext<TRegister> = TRegister extends {\n  config: StartInstanceOptions<any, any, infer TRequestMiddlewares, any>\n}\n  ? AssignAllMiddleware<TRequestMiddlewares, 'allServerContext'>\n  : AnyContext\n\ntype __AssignAllServerRequestContext<\n  TMiddlewares,\n  TSendContext = undefined,\n  TServerContext = undefined,\n> = unknown extends TSendContext\n  ? Assign<TSendContext, TServerContext>\n  : Assign<\n      AssignAllMiddleware<TMiddlewares, 'allServerContext'>,\n      Assign<TSendContext, TServerContext>\n    >\n\nexport type AssignAllServerFnContext<\n  TRegister,\n  TMiddlewares,\n  TSendContext = undefined,\n  TServerContext = undefined,\n> = Assign<\n  GlobalFetchRequestContext,\n  Assign<\n    GlobalServerRequestContext<TRegister>, // TODO: This enabled global middleware\n    // type inference, but creates a circular types issue. No idea how to fix this.\n    // AnyContext,\n    Assign<\n      GlobalServerFnContext<TRegister>, // TODO: This enabled global middleware\n      // type inference, but creates a circular types issue. No idea how to fix this.\n      // AnyContext,/\n      __AssignAllServerFnContext<TMiddlewares, TSendContext, TServerContext>\n    >\n  >\n>\n\ntype GlobalServerFnContext<TRegister> = TRegister extends {\n  config: StartInstanceOptions<any, any, any, infer TFunctionMiddlewares>\n}\n  ? AssignAllMiddleware<TFunctionMiddlewares, 'allServerContext'>\n  : AnyContext\n\ntype __AssignAllServerFnContext<\n  TMiddlewares,\n  TSendContext = undefined,\n  TServerContext = undefined,\n> = unknown extends TSendContext\n  ? Assign<TSendContext, TServerContext>\n  : Assign<\n      AssignAllMiddleware<TMiddlewares, 'allServerContext'>,\n      Assign<TSendContext, TServerContext>\n    >\n\nexport type AssignAllClientSendContext<\n  TMiddlewares,\n  TSendContext = undefined,\n> = unknown extends TSendContext\n  ? TSendContext\n  : Assign<\n      AssignAllMiddleware<TMiddlewares, 'allClientSendContext'>,\n      TSendContext\n    >\n\nexport interface FunctionMiddlewareOptions<\n  in out TRegister,\n  in out TMiddlewares,\n  in out TInputValidator,\n  in out TServerContext,\n  in out TClientContext,\n> {\n  middleware?: TMiddlewares\n  inputValidator?: ConstrainValidator<TRegister, 'GET', TInputValidator>\n  client?: FunctionMiddlewareClientFn<\n    TRegister,\n    TMiddlewares,\n    TInputValidator,\n    TServerContext,\n    TClientContext\n  >\n  server?: FunctionMiddlewareServerFn<\n    TRegister,\n    TMiddlewares,\n    TInputValidator,\n    TServerContext,\n    unknown,\n    unknown\n  >\n}\n\nexport type FunctionMiddlewareClientNextFn<TRegister, TMiddlewares> = <\n  TSendContext = undefined,\n  TNewClientContext = undefined,\n>(ctx?: {\n  context?: TNewClientContext\n  sendContext?: ValidateSerializableInput<TRegister, TSendContext>\n  headers?: HeadersInit\n  fetch?: CustomFetch\n}) => Promise<\n  FunctionClientResultWithContext<TMiddlewares, TSendContext, TNewClientContext>\n>\n\nexport interface FunctionMiddlewareServer<\n  TRegister,\n  TMiddlewares,\n  TInputValidator,\n  TServerSendContext,\n  TClientContext,\n> {\n  server: <TNewServerContext = undefined, TSendContext = undefined>(\n    server: FunctionMiddlewareServerFn<\n      TRegister,\n      TMiddlewares,\n      TInputValidator,\n      TServerSendContext,\n      TNewServerContext,\n      TSendContext\n    >,\n  ) => FunctionMiddlewareAfterServer<\n    TRegister,\n    TMiddlewares,\n    TInputValidator,\n    TNewServerContext,\n    TServerSendContext,\n    TClientContext,\n    TSendContext\n  >\n}\n\nexport type FunctionMiddlewareServerFn<\n  TRegister,\n  TMiddlewares,\n  TInputValidator,\n  TServerSendContext,\n  TNewServerContext,\n  TSendContext,\n> = (\n  options: FunctionMiddlewareServerFnOptions<\n    TRegister,\n    TMiddlewares,\n    TInputValidator,\n    TServerSendContext\n  >,\n) => FunctionMiddlewareServerFnResult<\n  TRegister,\n  TMiddlewares,\n  TServerSendContext,\n  TNewServerContext,\n  TSendContext\n>\n\nexport type FunctionMiddlewareServerNextFn<\n  TRegister,\n  TMiddlewares,\n  TServerSendContext,\n> = <TNewServerContext = undefined, TSendContext = undefined>(ctx?: {\n  context?: TNewServerContext\n  sendContext?: ValidateSerializableInput<TRegister, TSendContext>\n}) => Promise<\n  FunctionServerResultWithContext<\n    TRegister,\n    TMiddlewares,\n    TServerSendContext,\n    TNewServerContext,\n    TSendContext\n  >\n>\n\nexport type FunctionServerResultWithContext<\n  in out TRegister,\n  in out TMiddlewares,\n  in out TServerSendContext,\n  in out TServerContext,\n  in out TSendContext,\n> = {\n  'use functions must return the result of next()': true\n  '~types': {\n    context: TServerContext\n    sendContext: TSendContext\n  }\n  context: Expand<\n    AssignAllServerFnContext<\n      TRegister,\n      TMiddlewares,\n      TServerSendContext,\n      TServerContext\n    >\n  >\n  sendContext: Expand<AssignAllClientSendContext<TMiddlewares, TSendContext>>\n}\n\nexport interface FunctionMiddlewareServerFnOptions<\n  in out TRegister,\n  in out TMiddlewares,\n  in out TInputValidator,\n  in out TServerSendContext,\n> {\n  data: Expand<IntersectAllValidatorOutputs<TMiddlewares, TInputValidator>>\n  context: Expand<\n    AssignAllServerFnContext<TRegister, TMiddlewares, TServerSendContext>\n  >\n  next: FunctionMiddlewareServerNextFn<\n    TRegister,\n    TMiddlewares,\n    TServerSendContext\n  >\n  method: Method\n  serverFnMeta: ServerFnMeta\n  signal: AbortSignal\n}\n\nexport type FunctionMiddlewareServerFnResult<\n  TRegister,\n  TMiddlewares,\n  TServerSendContext,\n  TServerContext,\n  TSendContext,\n> =\n  | Promise<\n      FunctionServerResultWithContext<\n        TRegister,\n        TMiddlewares,\n        TServerSendContext,\n        TServerContext,\n        TSendContext\n      >\n    >\n  | FunctionServerResultWithContext<\n      TRegister,\n      TMiddlewares,\n      TServerSendContext,\n      TServerContext,\n      TSendContext\n    >\n\nexport interface FunctionMiddlewareAfterServer<\n  TRegister,\n  TMiddlewares,\n  TInputValidator,\n  TServerContext,\n  TServerSendContext,\n  TClientContext,\n  TClientSendContext,\n> extends FunctionMiddlewareWithTypes<\n  TRegister,\n  TMiddlewares,\n  TInputValidator,\n  TServerContext,\n  TServerSendContext,\n  TClientContext,\n  TClientSendContext\n> {}\n\nexport interface FunctionMiddlewareClient<\n  TRegister,\n  TMiddlewares,\n  TInputValidator,\n> {\n  client: <TSendServerContext = undefined, TNewClientContext = undefined>(\n    client: FunctionMiddlewareClientFn<\n      TRegister,\n      TMiddlewares,\n      TInputValidator,\n      TSendServerContext,\n      TNewClientContext\n    >,\n  ) => FunctionMiddlewareAfterClient<\n    TRegister,\n    TMiddlewares,\n    TInputValidator,\n    TSendServerContext,\n    TNewClientContext\n  >\n}\n\nexport type FunctionMiddlewareClientFn<\n  TRegister,\n  TMiddlewares,\n  TInputValidator,\n  TSendContext,\n  TClientContext,\n> = (\n  options: FunctionMiddlewareClientFnOptions<\n    TRegister,\n    TMiddlewares,\n    TInputValidator\n  >,\n) => FunctionMiddlewareClientFnResult<\n  TMiddlewares,\n  TSendContext,\n  TClientContext\n>\n\nexport interface FunctionMiddlewareClientFnOptions<\n  in out TRegister,\n  in out TMiddlewares,\n  in out TInputValidator,\n> {\n  data: Expand<IntersectAllValidatorInputs<TMiddlewares, TInputValidator>>\n  context: Expand<AssignAllClientContextBeforeNext<TMiddlewares>>\n  sendContext: Expand<AssignAllServerSendContext<TMiddlewares>>\n  method: Method\n  signal: AbortSignal\n  serverFnMeta: ClientFnMeta\n  next: FunctionMiddlewareClientNextFn<TRegister, TMiddlewares>\n  filename: string\n  fetch?: CustomFetch\n}\n\nexport type FunctionMiddlewareClientFnResult<\n  TMiddlewares,\n  TSendContext,\n  TClientContext,\n> =\n  | Promise<\n      FunctionClientResultWithContext<\n        TMiddlewares,\n        TSendContext,\n        TClientContext\n      >\n    >\n  | FunctionClientResultWithContext<TMiddlewares, TSendContext, TClientContext>\n\nexport type FunctionClientResultWithContext<\n  in out TMiddlewares,\n  in out TSendContext,\n  in out TClientContext,\n> = {\n  'use functions must return the result of next()': true\n  context: Expand<AssignAllClientContextAfterNext<TMiddlewares, TClientContext>>\n  sendContext: Expand<AssignAllServerSendContext<TMiddlewares, TSendContext>>\n  headers: HeadersInit\n  fetch?: CustomFetch\n}\n\nexport interface FunctionMiddlewareAfterClient<\n  TRegister,\n  TMiddlewares,\n  TInputValidator,\n  TServerSendContext,\n  TClientContext,\n>\n  extends\n    FunctionMiddlewareWithTypes<\n      TRegister,\n      TMiddlewares,\n      TInputValidator,\n      undefined,\n      TServerSendContext,\n      TClientContext,\n      undefined\n    >,\n    FunctionMiddlewareServer<\n      TRegister,\n      TMiddlewares,\n      TInputValidator,\n      TServerSendContext,\n      TClientContext\n    > {}\n\nexport interface FunctionMiddlewareValidator<TRegister, TMiddlewares> {\n  inputValidator: <TNewValidator>(\n    inputValidator: ConstrainValidator<TRegister, 'GET', TNewValidator>,\n  ) => FunctionMiddlewareAfterValidator<TRegister, TMiddlewares, TNewValidator>\n}\n\nexport interface FunctionMiddlewareAfterValidator<\n  TRegister,\n  TMiddlewares,\n  TInputValidator,\n>\n  extends\n    FunctionMiddlewareWithTypes<\n      TRegister,\n      TMiddlewares,\n      TInputValidator,\n      undefined,\n      undefined,\n      undefined,\n      undefined\n    >,\n    FunctionMiddlewareServer<\n      TRegister,\n      TMiddlewares,\n      TInputValidator,\n      undefined,\n      undefined\n    >,\n    FunctionMiddlewareClient<TRegister, TMiddlewares, TInputValidator> {}\n\nexport interface RequestMiddleware<\n  TRegister,\n> extends RequestMiddlewareAfterMiddleware<TRegister, undefined> {\n  middleware: <const TMiddlewares = undefined>(\n    middlewares: Constrain<TMiddlewares, ReadonlyArray<AnyRequestMiddleware>>,\n  ) => RequestMiddlewareAfterMiddleware<TRegister, TMiddlewares>\n}\n\nexport type AnyRequestMiddleware = RequestMiddlewareWithTypes<any, any, any>\n\nexport interface RequestMiddlewareWithTypes<\n  TRegister,\n  TMiddlewares,\n  TServerContext,\n> {\n  '~types': RequestMiddlewareTypes<TRegister, TMiddlewares, TServerContext>\n  options: RequestMiddlewareOptions<TRegister, TMiddlewares, TServerContext>\n}\n\nexport interface RequestMiddlewareOptions<\n  in out TRegister,\n  in out TMiddlewares,\n  in out TServerContext,\n> {\n  middleware?: TMiddlewares\n  server?: RequestServerFn<TRegister, TMiddlewares, TServerContext>\n}\nexport interface RequestMiddlewareTypes<\n  TRegister,\n  TMiddlewares,\n  TServerContext,\n> {\n  type: 'request'\n  // this only exists so we can use request middlewares in server functions\n  allInput: undefined\n  // this only exists so we can use request middlewares in server functions\n  allOutput: undefined\n  middlewares: TMiddlewares\n  serverContext: TServerContext\n  allServerContext: AssignAllServerRequestContext<\n    TRegister,\n    TMiddlewares,\n    undefined,\n    TServerContext\n  >\n}\n\nexport interface RequestMiddlewareAfterMiddleware<TRegister, TMiddlewares>\n  extends\n    RequestMiddlewareWithTypes<TRegister, TMiddlewares, undefined>,\n    RequestMiddlewareServer<TRegister, TMiddlewares> {}\n\nexport interface RequestMiddlewareServer<TRegister, TMiddlewares> {\n  server: <TServerContext = undefined>(\n    fn: RequestServerFn<TRegister, TMiddlewares, TServerContext>,\n  ) => RequestMiddlewareAfterServer<TRegister, TMiddlewares, TServerContext>\n}\n\nexport type RequestServerFn<TRegister, TMiddlewares, TServerContext> = (\n  options: RequestServerOptions<TRegister, TMiddlewares>,\n) => RequestMiddlewareServerFnResult<TRegister, TMiddlewares, TServerContext>\n\nexport interface RequestServerOptions<TRegister, TMiddlewares> {\n  request: Request\n  pathname: string\n  context: Expand<AssignAllServerRequestContext<TRegister, TMiddlewares>>\n  next: RequestServerNextFn<TRegister, TMiddlewares>\n  /**\n   * Type of Start handler currently processing this request.\n   */\n  handlerType: 'serverFn' | 'router'\n  /**\n   * Metadata about the server function being invoked.\n   * This is only present when the request is handling a server function call.\n   * For regular page requests, this will be undefined.\n   */\n  serverFnMeta?: ServerFnMeta\n}\n\nexport type RequestServerNextFn<TRegister, TMiddlewares> = <\n  TServerContext = undefined,\n>(\n  options?: RequestServerNextFnOptions<TServerContext>,\n) => RequestServerNextFnResult<TRegister, TMiddlewares, TServerContext>\n\nexport interface RequestServerNextFnOptions<TServerContext> {\n  context?: TServerContext\n}\n\nexport type RequestServerNextFnResult<TRegister, TMiddlewares, TServerContext> =\n  | Promise<RequestServerResult<TRegister, TMiddlewares, TServerContext>>\n  | RequestServerResult<TRegister, TMiddlewares, TServerContext>\n\nexport type RequestMiddlewareServerFnResult<\n  TRegister,\n  TMiddlewares,\n  TServerContext,\n> =\n  | Promise<\n      RequestServerResult<TRegister, TMiddlewares, TServerContext> | Response\n    >\n  | RequestServerResult<TRegister, TMiddlewares, TServerContext>\n  | Response\n\nexport interface RequestServerResult<TRegister, TMiddlewares, TServerContext> {\n  request: Request\n  pathname: string\n  context: Expand<\n    AssignAllServerRequestContext<\n      TRegister,\n      TMiddlewares,\n      undefined,\n      TServerContext\n    >\n  >\n  response: Response\n}\n\nexport interface RequestMiddlewareAfterServer<\n  TRegister,\n  TMiddlewares,\n  TServerContext,\n> extends RequestMiddlewareWithTypes<TRegister, TMiddlewares, TServerContext> 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dist/esm/createServerFn.js.map

@@ -1,1 +0,1 @@
-{"version":3,"file":"createServerFn.js","names":[],"sources":["../../src/createServerFn.ts"],"sourcesContent":["import { mergeHeaders } from '@tanstack/router-core/ssr/client'\n\nimport { isRedirect, parseRedirect } from '@tanstack/router-core'\nimport { TSS_SERVER_FUNCTION_FACTORY } from './constants'\nimport { getStartOptions } from './getStartOptions'\nimport { getStartContextServerOnly } from './getStartContextServerOnly'\nimport { createNullProtoObject, safeObjectMerge } from './safeObjectMerge'\nimport type {\n  ClientFnMeta,\n  ServerFnMeta,\n  TSS_SERVER_FUNCTION,\n} from './constants'\nimport type {\n  AnyValidator,\n  Constrain,\n  Expand,\n  Register,\n  RegisteredSerializableInput,\n  ResolveValidatorInput,\n  ValidateSerializable,\n  ValidateSerializableInput,\n  Validator,\n} from '@tanstack/router-core'\nimport type {\n  AnyFunctionMiddleware,\n  AnyRequestMiddleware,\n  AssignAllServerFnContext,\n  FunctionMiddlewareServerFnResult,\n  IntersectAllValidatorInputs,\n  IntersectAllValidatorOutputs,\n} from './createMiddleware'\n\ntype TODO = any\n\nexport type ServerFnStrict = boolean | { input?: boolean; output?: boolean }\n\nexport interface ServerFnOptions<\n  TMethod extends Method = Method,\n  TStrict extends ServerFnStrict = true,\n> {\n  method?: TMethod\n  strict?: TStrict\n}\n\nexport type ServerFnStrictInput<TStrict extends ServerFnStrict> =\n  TStrict extends false\n    ? false\n    : TStrict extends { input: infer TInput extends boolean }\n      ? TInput\n      : true\n\nexport type ServerFnStrictOutput<TStrict extends ServerFnStrict> =\n  TStrict extends false\n    ? false\n    : TStrict extends { output: infer TOutput extends boolean }\n      ? TOutput\n      : true\n\nexport type CreateServerFn<TRegister> = <\n  TMethod extends Method,\n  TStrict extends ServerFnStrict = true,\n  TResponse = unknown,\n  TMiddlewares = undefined,\n  TInputValidator = undefined,\n>(\n  options?: ServerFnOptions<TMethod, TStrict>,\n  __opts?: ServerFnBaseOptions<\n    TRegister,\n    TMethod,\n    TResponse,\n    TMiddlewares,\n    TInputValidator,\n    TStrict\n  >,\n) => ServerFnBuilder<TRegister, TMethod, TStrict>\n\nexport const createServerFn: CreateServerFn<Register> = (options, __opts) => {\n  const resolvedOptions = (__opts || options || {}) as ServerFnBaseOptions<\n    any,\n    any,\n    any,\n    any,\n    any,\n    any\n  >\n\n  if (typeof resolvedOptions.method === 'undefined') {\n    resolvedOptions.method = 'GET' as Method\n  }\n\n  const res: ServerFnBuilder<Register, Method, ServerFnStrict> = {\n    options: resolvedOptions,\n    middleware: (middleware) => {\n      // multiple calls to `middleware()` merge the middlewares with the previously supplied ones\n      // this is primarily useful for letting users create their own abstractions on top of `createServerFn`\n\n      const newMiddleware = [...(resolvedOptions.middleware || [])]\n      middleware.map((m) => {\n        if (TSS_SERVER_FUNCTION_FACTORY in m) {\n          if (m.options.middleware) {\n            newMiddleware.push(...m.options.middleware)\n          }\n        } else {\n          newMiddleware.push(m)\n        }\n      })\n\n      const newOptions = {\n        ...resolvedOptions,\n        middleware: newMiddleware,\n      }\n      const res = createServerFn(undefined, newOptions) as any\n      res[TSS_SERVER_FUNCTION_FACTORY] = true\n      return res\n    },\n    inputValidator: (inputValidator) => {\n      const newOptions = { ...resolvedOptions, inputValidator }\n      return createServerFn(undefined, newOptions) as any\n    },\n    handler: (...args) => {\n      // This function signature changes due to AST transformations\n      // in the babel plugin. We need to cast it to the correct\n      // function signature post-transformation\n      const [extractedFn, serverFn] = args as unknown as [\n        CompiledFetcherFn<Register, any>,\n        ServerFn<Register, Method, any, any, any>,\n      ]\n\n      // Keep the original function around so we can use it\n      // in the server environment\n      const newOptions = { ...resolvedOptions, extractedFn, serverFn }\n\n      const resolvedMiddleware = [\n        ...(newOptions.middleware || []),\n        serverFnBaseToMiddleware(newOptions),\n      ]\n\n      // We want to make sure the new function has the same\n      // properties as the original function\n\n      // Propagate the declared HTTP method onto the extracted handler\n      // so the manifest-exported symbol (resolved by getServerFnById)\n      // carries `method`, enabling the server handler to reject\n      // mismatched HTTP methods before parsing request payloads.\n      ;(extractedFn as any).method = resolvedOptions.method\n\n      return Object.assign(\n        async (opts?: CompiledFetcherFnOptions) => {\n          // Start by executing the client-side middleware chain\n          const result = await executeMiddleware(resolvedMiddleware, 'client', {\n            ...extractedFn,\n            ...newOptions,\n            data: opts?.data as any,\n            headers: opts?.headers,\n            signal: opts?.signal,\n            fetch: opts?.fetch,\n            context: createNullProtoObject(),\n          })\n\n          const redirect = parseRedirect(result.error)\n          if (redirect) {\n            throw redirect\n          }\n\n          if (result.error) throw result.error\n          return result.result\n        },\n        {\n          // This copies over the URL, function ID\n          ...extractedFn,\n          // Expose the declared HTTP method so the server handler\n          // can reject mismatched methods before parsing payloads\n          method: resolvedOptions.method,\n          // The extracted function on the server-side calls\n          // this function\n          __executeServer: async (opts: any) => {\n            const startContext = getStartContextServerOnly()\n            const serverContextAfterGlobalMiddlewares =\n              startContext.contextAfterGlobalMiddlewares\n            const ctx = {\n              ...extractedFn,\n              ...opts,\n              // Ensure we use the full serverFnMeta from the provider file's extractedFn\n              // (which has id, name, filename) rather than the partial one from SSR/client\n              // callers (which only has id)\n              serverFnMeta: extractedFn.serverFnMeta,\n              // Merge client context first so trusted server middleware context wins.\n              context: safeObjectMerge(\n                opts.context,\n                serverContextAfterGlobalMiddlewares,\n              ),\n              request: startContext.request,\n            }\n\n            const result = await executeMiddleware(\n              resolvedMiddleware,\n              'server',\n              ctx,\n            ).then((d) => ({\n              // Only send the result and sendContext back to the client\n              result: d.result,\n              error: d.error,\n              context: d.sendContext,\n            }))\n\n            return result\n          },\n        },\n      ) as any\n    },\n  } as ServerFnBuilder<Register, Method, ServerFnStrict>\n  const fun = (options?: ServerFnOptions<Method, ServerFnStrict>) => {\n    const newOptions = {\n      ...resolvedOptions,\n      ...options,\n    }\n    return createServerFn(undefined, newOptions) as any\n  }\n  return Object.assign(fun, res) as any\n}\n\nexport async function executeMiddleware(\n  middlewares: Array<AnyFunctionMiddleware | AnyRequestMiddleware>,\n  env: 'client' | 'server',\n  opts: ServerFnMiddlewareOptions,\n): Promise<ServerFnMiddlewareResult> {\n  const globalMiddlewares = getStartOptions()?.functionMiddleware || []\n  let flattenedMiddlewares = flattenMiddlewares([\n    ...globalMiddlewares,\n    ...middlewares,\n  ])\n\n  // On server, filter out middlewares that already executed in the request phase\n  // to prevent duplicate execution (issue #5239)\n  if (env === 'server') {\n    const startContext = getStartContextServerOnly({ throwIfNotFound: false })\n    if (startContext?.executedRequestMiddlewares) {\n      flattenedMiddlewares = flattenedMiddlewares.filter(\n        (m) => !startContext.executedRequestMiddlewares.has(m),\n      )\n    }\n  }\n\n  const callNextMiddleware: NextFn = async (ctx) => {\n    // Get the next middleware\n    const nextMiddleware = flattenedMiddlewares.shift()\n\n    // If there are no more middlewares, return the context\n    if (!nextMiddleware) {\n      return ctx\n    }\n\n    // Execute the middleware\n    try {\n      if (\n        'inputValidator' in nextMiddleware.options &&\n        nextMiddleware.options.inputValidator &&\n        env === 'server'\n      ) {\n        // Execute the middleware's input function\n        ctx.data = await execValidator(\n          nextMiddleware.options.inputValidator,\n          ctx.data,\n        )\n      }\n\n      let middlewareFn: MiddlewareFn | undefined = undefined\n      if (env === 'client') {\n        if ('client' in nextMiddleware.options) {\n          middlewareFn = nextMiddleware.options.client as\n            | MiddlewareFn\n            | undefined\n        }\n      }\n      // env === 'server'\n      else if ('server' in nextMiddleware.options) {\n        middlewareFn = nextMiddleware.options.server as MiddlewareFn | undefined\n      }\n\n      if (middlewareFn) {\n        const userNext = async (\n          userCtx: ServerFnMiddlewareResult | undefined = {} as any,\n        ) => {\n          // Return the next middleware\n          // Use safeObjectMerge for context objects to prevent prototype pollution\n          const nextCtx = {\n            ...ctx,\n            ...userCtx,\n            context: safeObjectMerge(ctx.context, userCtx.context),\n            sendContext: safeObjectMerge(ctx.sendContext, userCtx.sendContext),\n            headers: mergeHeaders(ctx.headers, userCtx.headers),\n            _callSiteFetch: ctx._callSiteFetch,\n            fetch: ctx._callSiteFetch ?? userCtx.fetch ?? ctx.fetch,\n            result:\n              userCtx.result !== undefined\n                ? userCtx.result\n                : userCtx instanceof Response\n                  ? userCtx\n                  : (ctx as any).result,\n            error: userCtx.error ?? (ctx as any).error,\n          }\n\n          const result = await callNextMiddleware(nextCtx)\n\n          if (result.error) {\n            throw result.error\n          }\n\n          return result\n        }\n\n        // Execute the middleware\n        const result = await middlewareFn({\n          ...ctx,\n          next: userNext,\n        })\n\n        // If result is NOT a ctx object, we need to return it as\n        // the { result }\n        if (isRedirect(result)) {\n          return {\n            ...ctx,\n            error: result,\n          }\n        }\n\n        if (result instanceof Response) {\n          return {\n            ...ctx,\n            result,\n          }\n        }\n\n        if (!(result as any)) {\n          throw new Error(\n            'User middleware returned undefined. You must call next() or return a result in your middlewares.',\n          )\n        }\n\n        return result\n      }\n\n      return callNextMiddleware(ctx)\n    } catch (error: any) {\n      return {\n        ...ctx,\n        error,\n      }\n    }\n  }\n\n  // Start the middleware chain\n  return callNextMiddleware({\n    ...opts,\n    headers: opts.headers || {},\n    sendContext: opts.sendContext || {},\n    context: opts.context || createNullProtoObject(),\n    _callSiteFetch: opts.fetch,\n  })\n}\n\nexport type CompiledFetcherFnOptions = {\n  method: Method\n  data: unknown\n  headers?: HeadersInit\n  signal?: AbortSignal\n  fetch?: CustomFetch\n  context?: any\n}\n\nexport type Fetcher<TMiddlewares, TInputValidator, TResponse> =\n  undefined extends IntersectAllValidatorInputs<TMiddlewares, TInputValidator>\n    ? OptionalFetcher<TMiddlewares, TInputValidator, TResponse>\n    : RequiredFetcher<TMiddlewares, TInputValidator, TResponse>\n\nexport interface FetcherBase {\n  [TSS_SERVER_FUNCTION]: true\n  url: string\n  method: Method\n  __executeServer: (opts: {\n    method: Method\n    data: unknown\n    headers?: HeadersInit\n    context?: any\n  }) => Promise<unknown>\n}\n\nexport interface OptionalFetcher<\n  TMiddlewares,\n  TInputValidator,\n  TResponse,\n> extends FetcherBase {\n  (\n    options?: OptionalFetcherDataOptions<TMiddlewares, TInputValidator>,\n  ): Promise<Awaited<TResponse>>\n}\n\nexport interface RequiredFetcher<\n  TMiddlewares,\n  TInputValidator,\n  TResponse,\n> extends FetcherBase {\n  (\n    opts: RequiredFetcherDataOptions<TMiddlewares, TInputValidator>,\n  ): Promise<Awaited<TResponse>>\n}\n\n// Ideally, this type should just be `export type CustomFetch = typeof globalThis.fetch`, but that conflicts with the type overrides the `bun-types` package - a dependency of unplugin.\n// Relevant bun issues:\n// - https://github.com/oven-sh/bun/issues/23500\n// - https://github.com/oven-sh/bun/issues/23741\nexport type CustomFetch = typeof fetch extends (...args: infer A) => infer R\n  ? (...args: A) => R\n  : never\n\nexport type FetcherBaseOptions = {\n  headers?: HeadersInit\n  signal?: AbortSignal\n  fetch?: CustomFetch\n}\n\nexport interface OptionalFetcherDataOptions<\n  TMiddlewares,\n  TInputValidator,\n> extends FetcherBaseOptions {\n  data?: Expand<IntersectAllValidatorInputs<TMiddlewares, TInputValidator>>\n}\n\nexport interface RequiredFetcherDataOptions<\n  TMiddlewares,\n  TInputValidator,\n> extends FetcherBaseOptions {\n  data: Expand<IntersectAllValidatorInputs<TMiddlewares, TInputValidator>>\n}\n\nexport type RscStream<T> = {\n  __cacheState: T\n}\n\nexport type Method = 'GET' | 'POST'\n\nexport type ServerFnReturnType<\n  TRegister,\n  TResponse,\n  TStrict extends ServerFnStrict = true,\n> =\n  ServerFnStrictOutput<TStrict> extends false\n    ? TResponse\n    : TResponse extends PromiseLike<infer U>\n      ? Promise<ServerFnReturnType<TRegister, U, TStrict>>\n      : TResponse extends Response\n        ? TResponse\n        : ValidateSerializableInput<TRegister, TResponse>\n\nexport type ServerFn<\n  TRegister,\n  TMethod,\n  TMiddlewares,\n  TInputValidator,\n  TResponse,\n  TStrict extends ServerFnStrict = true,\n> = (\n  ctx: ServerFnCtx<TRegister, TMethod, TMiddlewares, TInputValidator>,\n) => ServerFnReturnType<TRegister, TResponse, TStrict>\n\nexport interface ServerFnCtx<\n  TRegister,\n  TMethod,\n  TMiddlewares,\n  TInputValidator,\n> {\n  data: Expand<IntersectAllValidatorOutputs<TMiddlewares, TInputValidator>>\n  serverFnMeta: ServerFnMeta\n  context: Expand<AssignAllServerFnContext<TRegister, TMiddlewares, {}>>\n  method: TMethod\n}\n\nexport type CompiledFetcherFn<TRegister, TResponse> = {\n  (\n    opts: CompiledFetcherFnOptions & ServerFnBaseOptions<TRegister, Method>,\n  ): Promise<TResponse>\n  url: string\n  serverFnMeta: ServerFnMeta\n}\n\nexport type ServerFnBaseOptions<\n  TRegister,\n  TMethod extends Method = 'GET',\n  TResponse = unknown,\n  TMiddlewares = unknown,\n  TInputValidator = unknown,\n  TStrict extends ServerFnStrict = true,\n> = {\n  method: TMethod\n  strict?: TStrict\n  middleware?: Constrain<\n    TMiddlewares,\n    ReadonlyArray<AnyFunctionMiddleware | AnyRequestMiddleware>\n  >\n  inputValidator?: ConstrainValidator<\n    TRegister,\n    TMethod,\n    TInputValidator,\n    TStrict\n  >\n  extractedFn?: CompiledFetcherFn<TRegister, TResponse>\n  serverFn?: ServerFn<\n    TRegister,\n    TMethod,\n    TMiddlewares,\n    TInputValidator,\n    TResponse,\n    TStrict\n  >\n}\n\nexport type ValidateValidatorInput<\n  TRegister,\n  TMethod extends Method,\n  TInputValidator,\n  TStrict extends ServerFnStrict = true,\n> =\n  ServerFnStrictInput<TStrict> extends false\n    ? ResolveValidatorInput<TInputValidator>\n    : TMethod extends 'POST'\n      ? ResolveValidatorInput<TInputValidator> extends FormData\n        ? ResolveValidatorInput<TInputValidator>\n        : ValidateSerializable<\n            ResolveValidatorInput<TInputValidator>,\n            RegisteredSerializableInput<TRegister>\n          >\n      : ValidateSerializable<\n          ResolveValidatorInput<TInputValidator>,\n          RegisteredSerializableInput<TRegister>\n        >\n\nexport type ValidateValidator<\n  TRegister,\n  TMethod extends Method,\n  TInputValidator,\n  TStrict extends ServerFnStrict = true,\n> =\n  ValidateValidatorInput<\n    TRegister,\n    TMethod,\n    TInputValidator,\n    TStrict\n  > extends infer TInput\n    ? Validator<TInput, any>\n    : never\n\nexport type ConstrainValidator<\n  TRegister,\n  TMethod extends Method,\n  TInputValidator,\n  TStrict extends ServerFnStrict = true,\n> =\n  | (unknown extends TInputValidator\n      ? TInputValidator\n      : ResolveValidatorInput<TInputValidator> extends ValidateValidator<\n            TRegister,\n            TMethod,\n            TInputValidator,\n            TStrict\n          >\n        ? TInputValidator\n        : never)\n  | ValidateValidator<TRegister, TMethod, TInputValidator, TStrict>\n\nexport type AppendMiddlewares<TMiddlewares, TNewMiddlewares> =\n  TMiddlewares extends ReadonlyArray<any>\n    ? TNewMiddlewares extends ReadonlyArray<any>\n      ? readonly [...TMiddlewares, ...TNewMiddlewares]\n      : TMiddlewares\n    : TNewMiddlewares\n\nexport interface ServerFnMiddleware<\n  TRegister,\n  TMethod extends Method,\n  TMiddlewares,\n  TInputValidator,\n  TStrict extends ServerFnStrict,\n> {\n  middleware: <const TNewMiddlewares>(\n    middlewares: Constrain<\n      TNewMiddlewares,\n      ReadonlyArray<AnyFunctionMiddleware | AnyRequestMiddleware | AnyServerFn>\n    >,\n  ) => ServerFnAfterMiddleware<\n    TRegister,\n    TMethod,\n    AppendMiddlewares<TMiddlewares, TNewMiddlewares>,\n    TInputValidator,\n    TStrict\n  >\n}\n\nexport interface ServerFnAfterMiddleware<\n  TRegister,\n  TMethod extends Method,\n  TMiddlewares,\n  TInputValidator,\n  TStrict extends ServerFnStrict,\n>\n  extends\n    ServerFnWithTypes<\n      TRegister,\n      TMethod,\n      TMiddlewares,\n      TInputValidator,\n      undefined,\n      TStrict\n    >,\n    ServerFnMiddleware<TRegister, TMethod, TMiddlewares, undefined, TStrict>,\n    ServerFnValidator<TRegister, TMethod, TMiddlewares, TStrict>,\n    ServerFnHandler<\n      TRegister,\n      TMethod,\n      TMiddlewares,\n      TInputValidator,\n      TStrict\n    > {\n  <\n    TNewMethod extends Method = TMethod,\n    TNewStrict extends ServerFnStrict = TStrict,\n  >(\n    options?: ServerFnOptions<TNewMethod, TNewStrict>,\n  ): ServerFnAfterMiddleware<\n    TRegister,\n    TNewMethod,\n    TMiddlewares,\n    TInputValidator,\n    TNewStrict\n  >\n}\n\nexport type ValidatorFn<\n  TRegister,\n  TMethod extends Method,\n  TMiddlewares,\n  TStrict extends ServerFnStrict,\n> = <TInputValidator>(\n  inputValidator: ConstrainValidator<\n    TRegister,\n    TMethod,\n    TInputValidator,\n    TStrict\n  >,\n) => ServerFnAfterValidator<\n  TRegister,\n  TMethod,\n  TMiddlewares,\n  TInputValidator,\n  TStrict\n>\n\nexport interface ServerFnValidator<\n  TRegister,\n  TMethod extends Method,\n  TMiddlewares,\n  TStrict extends ServerFnStrict,\n> {\n  inputValidator: ValidatorFn<TRegister, TMethod, TMiddlewares, TStrict>\n}\n\nexport interface ServerFnAfterValidator<\n  TRegister,\n  TMethod extends Method,\n  TMiddlewares,\n  TInputValidator,\n  TStrict extends ServerFnStrict,\n>\n  extends\n    ServerFnWithTypes<\n      TRegister,\n      TMethod,\n      TMiddlewares,\n      TInputValidator,\n      undefined,\n      TStrict\n    >,\n    ServerFnMiddleware<\n      TRegister,\n      TMethod,\n      TMiddlewares,\n      TInputValidator,\n      TStrict\n    >,\n    ServerFnHandler<\n      TRegister,\n      TMethod,\n      TMiddlewares,\n      TInputValidator,\n      TStrict\n    > {}\n\nexport interface ServerFnAfterTyper<\n  TRegister,\n  TMethod extends Method,\n  TMiddlewares,\n  TInputValidator,\n  TStrict extends ServerFnStrict,\n>\n  extends\n    ServerFnWithTypes<\n      TRegister,\n      TMethod,\n      TMiddlewares,\n      TInputValidator,\n      undefined,\n      TStrict\n    >,\n    ServerFnHandler<\n      TRegister,\n      TMethod,\n      TMiddlewares,\n      TInputValidator,\n      TStrict\n    > {}\n\n// Handler\nexport interface ServerFnHandler<\n  TRegister,\n  TMethod extends Method,\n  TMiddlewares,\n  TInputValidator,\n  TStrict extends ServerFnStrict,\n> {\n  handler: <TNewResponse>(\n    fn?: ServerFn<\n      TRegister,\n      TMethod,\n      TMiddlewares,\n      TInputValidator,\n      TNewResponse,\n      TStrict\n    >,\n  ) => Fetcher<TMiddlewares, TInputValidator, TNewResponse>\n}\n\nexport interface ServerFnBuilder<\n  TRegister,\n  TMethod extends Method = 'GET',\n  TStrict extends ServerFnStrict = true,\n>\n  extends\n    ServerFnWithTypes<\n      TRegister,\n      TMethod,\n      undefined,\n      undefined,\n      undefined,\n      TStrict\n    >,\n    ServerFnMiddleware<TRegister, TMethod, undefined, undefined, TStrict>,\n    ServerFnValidator<TRegister, TMethod, undefined, TStrict>,\n    ServerFnHandler<TRegister, TMethod, undefined, undefined, TStrict> {\n  <\n    TNewMethod extends Method = TMethod,\n    TNewStrict extends ServerFnStrict = TStrict,\n  >(\n    options?: ServerFnOptions<TNewMethod, TNewStrict>,\n  ): ServerFnBuilder<TRegister, TNewMethod, TNewStrict>\n  options: ServerFnBaseOptions<\n    TRegister,\n    TMethod,\n    unknown,\n    undefined,\n    undefined,\n    TStrict\n  >\n}\n\nexport interface ServerFnWithTypes<\n  in out TRegister,\n  in out TMethod extends Method,\n  in out TMiddlewares,\n  in out TInputValidator,\n  in out TResponse,\n  in out TStrict extends ServerFnStrict,\n> {\n  '~types': ServerFnTypes<\n    TRegister,\n    TMethod,\n    TMiddlewares,\n    TInputValidator,\n    TResponse,\n    TStrict\n  >\n  options: ServerFnBaseOptions<\n    TRegister,\n    TMethod,\n    unknown,\n    undefined,\n    undefined,\n    TStrict\n  >\n  [TSS_SERVER_FUNCTION_FACTORY]: true\n}\n\nexport type AnyServerFn = ServerFnWithTypes<any, any, any, any, any, any>\n\nexport interface ServerFnTypes<\n  in out TRegister,\n  in out TMethod extends Method,\n  in out TMiddlewares,\n  in out TInputValidator,\n  in out TResponse,\n  in out TStrict extends ServerFnStrict,\n> {\n  method: TMethod\n  strict: TStrict\n  middlewares: TMiddlewares\n  inputValidator: TInputValidator\n  response: TResponse\n  allServerContext: AssignAllServerFnContext<TRegister, TMiddlewares>\n  allInput: IntersectAllValidatorInputs<TMiddlewares, TInputValidator>\n  allOutput: IntersectAllValidatorOutputs<TMiddlewares, TInputValidator>\n}\n\nexport function flattenMiddlewares<\n  T extends AnyFunctionMiddleware | AnyRequestMiddleware,\n>(middlewares: Array<T>, maxDepth: number = 100): Array<T> {\n  const seen = new Set<T>()\n  const flattened: Array<T> = []\n\n  const recurse = (middleware: Array<T>, depth: number) => {\n    if (depth > maxDepth) {\n      throw new Error(\n        `Middleware nesting depth exceeded maximum of ${maxDepth}. Check for circular references.`,\n      )\n    }\n    middleware.forEach((m) => {\n      if (m.options.middleware) {\n        recurse(m.options.middleware as Array<T>, depth + 1)\n      }\n\n      if (!seen.has(m)) {\n        seen.add(m)\n        flattened.push(m)\n      }\n    })\n  }\n\n  recurse(middlewares, 0)\n\n  return flattened\n}\n\nexport type ServerFnMiddlewareOptions = {\n  method: Method\n  data: any\n  headers?: HeadersInit\n  signal?: AbortSignal\n  sendContext?: any\n  context?: any\n  serverFnMeta: ClientFnMeta\n  fetch?: CustomFetch\n  /** @internal - Preserves the call-site fetch to ensure it has highest priority over middleware */\n  _callSiteFetch?: CustomFetch\n}\n\nexport type ServerFnMiddlewareResult = ServerFnMiddlewareOptions & {\n  result?: unknown\n  error?: unknown\n}\n\nexport type NextFn = (\n  ctx: ServerFnMiddlewareResult,\n) => Promise<ServerFnMiddlewareResult>\n\nexport type MiddlewareFn = (\n  ctx: ServerFnMiddlewareOptions & {\n    next: NextFn\n  },\n) => Promise<ServerFnMiddlewareResult>\n\nexport async function execValidator(\n  validator: AnyValidator,\n  input: unknown,\n): Promise<unknown> {\n  if (validator == null) return {}\n\n  if ('~standard' in validator) {\n    const result = await validator['~standard'].validate(input)\n\n    if (result.issues)\n      throw new Error(JSON.stringify(result.issues, undefined, 2))\n\n    return result.value\n  }\n\n  if ('parse' in validator) {\n    return validator.parse(input)\n  }\n\n  if (typeof validator === 'function') {\n    return validator(input)\n  }\n\n  throw new Error('Invalid validator type!')\n}\n\nfunction serverFnBaseToMiddleware(\n  options: ServerFnBaseOptions<any, any, any, any, any>,\n): AnyFunctionMiddleware {\n  return {\n    '~types': undefined!,\n    options: {\n      inputValidator: options.inputValidator,\n      client: async ({ next, sendContext, fetch, ...ctx }) => {\n        const payload = {\n          ...ctx,\n          // switch the sendContext over to context\n          context: sendContext,\n          fetch,\n        } as any\n\n        // Execute the extracted function\n        // but not before serializing the context\n        const res = await options.extractedFn?.(payload)\n\n        return next(res)\n      },\n      server: async ({ next, ...ctx }) => {\n        // Execute the server function\n        const result = await options.serverFn?.(ctx as TODO)\n\n        return next({\n          ...ctx,\n          result,\n        } as any) as unknown as FunctionMiddlewareServerFnResult<\n          any,\n          any,\n          any,\n          any,\n          any\n        >\n      },\n    },\n  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+{"version":3,"file":"createServerFn.js","names":[],"sources":["../../src/createServerFn.ts"],"sourcesContent":["import { mergeHeaders } from '@tanstack/router-core/ssr/client'\n\nimport { isRedirect, parseRedirect } from '@tanstack/router-core'\nimport { TSS_SERVER_FUNCTION_FACTORY } from './constants'\nimport { getStartOptions } from './getStartOptions'\nimport { getStartContextServerOnly } from './getStartContextServerOnly'\nimport { createNullProtoObject, safeObjectMerge } from './safeObjectMerge'\nimport type {\n  ClientFnMeta,\n  ServerFnMeta,\n  TSS_SERVER_FUNCTION,\n} from './constants'\nimport type {\n  AnyValidator,\n  Constrain,\n  Expand,\n  Register,\n  RegisteredSerializableInput,\n  ResolveValidatorInput,\n  ValidateSerializable,\n  ValidateSerializableInput,\n  Validator,\n} from '@tanstack/router-core'\nimport type {\n  AnyFunctionMiddleware,\n  AnyRequestMiddleware,\n  AssignAllServerFnContext,\n  IntersectAllValidatorInputs,\n  IntersectAllValidatorOutputs,\n} from './createMiddleware'\n\nexport type ServerFnStrict = boolean | { input?: boolean; output?: boolean }\n\nexport interface ServerFnOptions<\n  TMethod extends Method = Method,\n  TStrict extends ServerFnStrict = true,\n> {\n  method?: TMethod\n  strict?: TStrict\n}\n\nexport type ServerFnStrictInput<TStrict extends ServerFnStrict> =\n  TStrict extends false\n    ? false\n    : TStrict extends { input: infer TInput extends boolean }\n      ? TInput\n      : true\n\nexport type ServerFnStrictOutput<TStrict extends ServerFnStrict> =\n  TStrict extends false\n    ? false\n    : TStrict extends { output: infer TOutput extends boolean }\n      ? TOutput\n      : true\n\nexport type CreateServerFn<TRegister> = <\n  TMethod extends Method,\n  TStrict extends ServerFnStrict = true,\n  TResponse = unknown,\n  TMiddlewares = undefined,\n  TInputValidator = undefined,\n>(\n  options?: ServerFnOptions<TMethod, TStrict>,\n  __opts?: ServerFnBaseOptions<\n    TRegister,\n    TMethod,\n    TResponse,\n    TMiddlewares,\n    TInputValidator,\n    TStrict\n  >,\n) => ServerFnBuilder<TRegister, TMethod, TStrict>\n\nexport const createServerFn: CreateServerFn<Register> = (options, __opts) => {\n  const resolvedOptions = (__opts || options || {}) as ServerFnBaseOptions<\n    any,\n    any,\n    any,\n    any,\n    any,\n    any\n  >\n\n  if (typeof resolvedOptions.method === 'undefined') {\n    resolvedOptions.method = 'GET' as Method\n  }\n\n  const res: ServerFnBuilder<Register, Method, ServerFnStrict> = {\n    options: resolvedOptions,\n    middleware: (middleware) => {\n      // multiple calls to `middleware()` merge the middlewares with the previously supplied ones\n      // this is primarily useful for letting users create their own abstractions on top of `createServerFn`\n\n      const newMiddleware = [...(resolvedOptions.middleware || [])]\n      middleware.map((m) => {\n        if (TSS_SERVER_FUNCTION_FACTORY in m) {\n          if (m.options.middleware) {\n            newMiddleware.push(...m.options.middleware)\n          }\n        } else {\n          newMiddleware.push(m)\n        }\n      })\n\n      const newOptions = {\n        ...resolvedOptions,\n        middleware: newMiddleware,\n      }\n      const res = createServerFn(undefined, newOptions)\n      res[TSS_SERVER_FUNCTION_FACTORY] = true\n      return res\n    },\n    inputValidator: (inputValidator) => {\n      const newOptions = { ...resolvedOptions, inputValidator }\n      return createServerFn(undefined, newOptions) as any\n    },\n    handler: (...args) => {\n      // This function signature changes due to AST transformations\n      // in the babel plugin. We need to cast it to the correct\n      // function signature post-transformation\n      const [extractedFn, serverFn] = args as unknown as [\n        CompiledFetcherFn<Register, any>,\n        ServerFn<Register, Method, any, any, any>,\n      ]\n\n      // Keep the original function around so we can use it\n      // in the server environment\n      const newOptions = { ...resolvedOptions, extractedFn, serverFn }\n\n      const resolvedMiddleware = [\n        ...(newOptions.middleware || []),\n        serverFnBaseToMiddleware(newOptions),\n      ]\n\n      // We want to make sure the new function has the same\n      // properties as the original function\n\n      // Propagate the declared HTTP method onto the extracted handler\n      // so the manifest-exported symbol (resolved by getServerFnById)\n      // carries `method`, enabling the server handler to reject\n      // mismatched HTTP methods before parsing request payloads.\n      ;(extractedFn as any).method = resolvedOptions.method\n\n      return Object.assign(\n        async (opts?: CompiledFetcherFnOptions) => {\n          // Start by executing the client-side middleware chain\n          const result = await executeMiddleware(resolvedMiddleware, 'client', {\n            ...extractedFn,\n            ...newOptions,\n            data: opts?.data,\n            headers: opts?.headers,\n            signal: opts?.signal,\n            fetch: opts?.fetch,\n            context: createNullProtoObject(),\n          })\n\n          const redirect = parseRedirect(result.error)\n          if (redirect) {\n            throw redirect\n          }\n\n          if (result.error) throw result.error\n          return result.result\n        },\n        {\n          // This copies over the URL, function ID\n          ...extractedFn,\n          // Expose the declared HTTP method so the server handler\n          // can reject mismatched methods before parsing payloads\n          method: resolvedOptions.method,\n          // The extracted function on the server-side calls\n          // this function\n          __executeServer: async (opts: any) => {\n            const startContext = getStartContextServerOnly()\n            const serverContextAfterGlobalMiddlewares =\n              startContext.contextAfterGlobalMiddlewares\n            const ctx = {\n              ...extractedFn,\n              ...opts,\n              // Ensure we use the full serverFnMeta from the provider file's extractedFn\n              // (which has id, name, filename) rather than the partial one from SSR/client\n              // callers (which only has id)\n              serverFnMeta: extractedFn.serverFnMeta,\n              // Merge client context first so trusted server middleware context wins.\n              context: safeObjectMerge(\n                opts.context,\n                serverContextAfterGlobalMiddlewares,\n              ),\n              request: startContext.request,\n            }\n\n            const result = await executeMiddleware(\n              resolvedMiddleware,\n              'server',\n              ctx,\n            ).then((d) => ({\n              // Only send the result and sendContext back to the client\n              result: d.result,\n              error: d.error,\n              context: d.sendContext,\n            }))\n\n            return result\n          },\n        },\n      ) as any\n    },\n  } as ServerFnBuilder<Register, Method, ServerFnStrict>\n  const fun = (options?: ServerFnOptions<Method, ServerFnStrict>) => {\n    const newOptions = {\n      ...resolvedOptions,\n      ...options,\n    }\n    return createServerFn(undefined, newOptions)\n  }\n  return Object.assign(fun, res) as any\n}\n\nexport async function executeMiddleware(\n  middlewares: Array<AnyFunctionMiddleware | AnyRequestMiddleware>,\n  env: 'client' | 'server',\n  opts: ServerFnMiddlewareOptions,\n): Promise<ServerFnMiddlewareResult> {\n  const globalMiddlewares = getStartOptions()?.functionMiddleware || []\n  let flattenedMiddlewares = flattenMiddlewares([\n    ...globalMiddlewares,\n    ...middlewares,\n  ])\n\n  // On server, filter out middlewares that already executed in the request phase\n  // to prevent duplicate execution (issue #5239)\n  if (env === 'server') {\n    const startContext = getStartContextServerOnly({ throwIfNotFound: false })\n    if (startContext?.executedRequestMiddlewares) {\n      flattenedMiddlewares = flattenedMiddlewares.filter(\n        (m) => !startContext.executedRequestMiddlewares.has(m),\n      )\n    }\n  }\n\n  const callNextMiddleware: NextFn = async (ctx) => {\n    // Get the next middleware\n    const nextMiddleware = flattenedMiddlewares.shift()\n\n    // If there are no more middlewares, return the context\n    if (!nextMiddleware) {\n      return ctx\n    }\n\n    // Execute the middleware\n    try {\n      if (\n        'inputValidator' in nextMiddleware.options &&\n        nextMiddleware.options.inputValidator &&\n        env === 'server'\n      ) {\n        // Execute the middleware's input function\n        ctx.data = await execValidator(\n          nextMiddleware.options.inputValidator,\n          ctx.data,\n        )\n      }\n\n      let middlewareFn: MiddlewareFn | undefined = undefined\n      if (env === 'client') {\n        if ('client' in nextMiddleware.options) {\n          middlewareFn = nextMiddleware.options.client as\n            | MiddlewareFn\n            | undefined\n        }\n      }\n      // env === 'server'\n      else if ('server' in nextMiddleware.options) {\n        middlewareFn = nextMiddleware.options.server as MiddlewareFn | undefined\n      }\n\n      if (middlewareFn) {\n        const userNext = async (\n          userCtx: ServerFnMiddlewareResult | undefined = {} as any,\n        ) => {\n          // Return the next middleware\n          // Use safeObjectMerge for context objects to prevent prototype pollution\n          const nextCtx = {\n            ...ctx,\n            ...userCtx,\n            context: safeObjectMerge(ctx.context, userCtx.context),\n            sendContext: safeObjectMerge(ctx.sendContext, userCtx.sendContext),\n            headers: mergeHeaders(ctx.headers, userCtx.headers),\n            _callSiteFetch: ctx._callSiteFetch,\n            fetch: ctx._callSiteFetch ?? userCtx.fetch ?? ctx.fetch,\n            result:\n              userCtx.result !== undefined\n                ? userCtx.result\n                : userCtx instanceof Response\n                  ? userCtx\n                  : (ctx as any).result,\n            error: userCtx.error ?? (ctx as any).error,\n          }\n\n          const result = await callNextMiddleware(nextCtx)\n\n          if (result.error) {\n            throw result.error\n          }\n\n          return result\n        }\n\n        // Execute the middleware\n        const result = await middlewareFn({\n          ...ctx,\n          next: userNext,\n        })\n\n        // If result is NOT a ctx object, we need to return it as\n        // the { result }\n        if (isRedirect(result)) {\n          return {\n            ...ctx,\n            error: result,\n          }\n        }\n\n        if (result instanceof Response) {\n          return {\n            ...ctx,\n            result,\n          }\n        }\n\n        if (!(result as any)) {\n          throw new Error(\n            'User middleware returned undefined. You must call next() or return a result in your middlewares.',\n          )\n        }\n\n        return result\n      }\n\n      return callNextMiddleware(ctx)\n    } catch (error: any) {\n      return {\n        ...ctx,\n        error,\n      }\n    }\n  }\n\n  // Start the middleware chain\n  return callNextMiddleware({\n    ...opts,\n    headers: opts.headers || {},\n    sendContext: opts.sendContext || {},\n    context: opts.context || createNullProtoObject(),\n    _callSiteFetch: opts.fetch,\n  })\n}\n\nexport type CompiledFetcherFnOptions = {\n  method: Method\n  data: unknown\n  headers?: HeadersInit\n  signal?: AbortSignal\n  fetch?: CustomFetch\n  context?: any\n}\n\nexport type Fetcher<TMiddlewares, TInputValidator, TResponse> =\n  undefined extends IntersectAllValidatorInputs<TMiddlewares, TInputValidator>\n    ? OptionalFetcher<TMiddlewares, TInputValidator, TResponse>\n    : RequiredFetcher<TMiddlewares, TInputValidator, TResponse>\n\nexport interface FetcherBase {\n  [TSS_SERVER_FUNCTION]: true\n  url: string\n  method: Method\n  __executeServer: (opts: {\n    method: Method\n    data: unknown\n    headers?: HeadersInit\n    context?: any\n  }) => Promise<unknown>\n}\n\nexport interface OptionalFetcher<\n  TMiddlewares,\n  TInputValidator,\n  TResponse,\n> extends FetcherBase {\n  (\n    options?: OptionalFetcherDataOptions<TMiddlewares, TInputValidator>,\n  ): Promise<Awaited<TResponse>>\n}\n\nexport interface RequiredFetcher<\n  TMiddlewares,\n  TInputValidator,\n  TResponse,\n> extends FetcherBase {\n  (\n    opts: RequiredFetcherDataOptions<TMiddlewares, TInputValidator>,\n  ): Promise<Awaited<TResponse>>\n}\n\n// Ideally, this type should just be `export type CustomFetch = typeof globalThis.fetch`, but that conflicts with the type overrides the `bun-types` package - a dependency of unplugin.\n// Relevant bun issues:\n// - https://github.com/oven-sh/bun/issues/23500\n// - https://github.com/oven-sh/bun/issues/23741\nexport type CustomFetch = typeof fetch extends (...args: infer A) => infer R\n  ? (...args: A) => R\n  : never\n\nexport type FetcherBaseOptions = {\n  headers?: HeadersInit\n  signal?: AbortSignal\n  fetch?: CustomFetch\n}\n\nexport interface OptionalFetcherDataOptions<\n  TMiddlewares,\n  TInputValidator,\n> extends FetcherBaseOptions {\n  data?: Expand<IntersectAllValidatorInputs<TMiddlewares, TInputValidator>>\n}\n\nexport interface RequiredFetcherDataOptions<\n  TMiddlewares,\n  TInputValidator,\n> extends FetcherBaseOptions {\n  data: Expand<IntersectAllValidatorInputs<TMiddlewares, TInputValidator>>\n}\n\nexport type RscStream<T> = {\n  __cacheState: T\n}\n\nexport type Method = 'GET' | 'POST'\n\nexport type ServerFnReturnType<\n  TRegister,\n  TResponse,\n  TStrict extends ServerFnStrict = true,\n> =\n  ServerFnStrictOutput<TStrict> extends false\n    ? TResponse\n    : TResponse extends PromiseLike<infer U>\n      ? Promise<ServerFnReturnType<TRegister, U, TStrict>>\n      : TResponse extends Response\n        ? TResponse\n        : ValidateSerializableInput<TRegister, TResponse>\n\nexport type ServerFn<\n  TRegister,\n  TMethod,\n  TMiddlewares,\n  TInputValidator,\n  TResponse,\n  TStrict extends ServerFnStrict = true,\n> = (\n  ctx: ServerFnCtx<TRegister, TMethod, TMiddlewares, TInputValidator>,\n) => ServerFnReturnType<TRegister, TResponse, TStrict>\n\nexport interface ServerFnCtx<\n  TRegister,\n  TMethod,\n  TMiddlewares,\n  TInputValidator,\n> {\n  data: Expand<IntersectAllValidatorOutputs<TMiddlewares, TInputValidator>>\n  serverFnMeta: ServerFnMeta\n  context: Expand<AssignAllServerFnContext<TRegister, TMiddlewares, {}>>\n  method: TMethod\n}\n\nexport type CompiledFetcherFn<TRegister, TResponse> = {\n  (\n    opts: CompiledFetcherFnOptions & ServerFnBaseOptions<TRegister, Method>,\n  ): Promise<TResponse>\n  url: string\n  serverFnMeta: ServerFnMeta\n}\n\nexport type ServerFnBaseOptions<\n  TRegister,\n  TMethod extends Method = 'GET',\n  TResponse = unknown,\n  TMiddlewares = unknown,\n  TInputValidator = unknown,\n  TStrict extends ServerFnStrict = true,\n> = {\n  method: TMethod\n  strict?: TStrict\n  middleware?: Constrain<\n    TMiddlewares,\n    ReadonlyArray<AnyFunctionMiddleware | AnyRequestMiddleware>\n  >\n  inputValidator?: ConstrainValidator<\n    TRegister,\n    TMethod,\n    TInputValidator,\n    TStrict\n  >\n  extractedFn?: CompiledFetcherFn<TRegister, TResponse>\n  serverFn?: ServerFn<\n    TRegister,\n    TMethod,\n    TMiddlewares,\n    TInputValidator,\n    TResponse,\n    TStrict\n  >\n}\n\nexport type ValidateValidatorInput<\n  TRegister,\n  TMethod extends Method,\n  TInputValidator,\n  TStrict extends ServerFnStrict = true,\n> =\n  ServerFnStrictInput<TStrict> extends false\n    ? ResolveValidatorInput<TInputValidator>\n    : TMethod extends 'POST'\n      ? ResolveValidatorInput<TInputValidator> extends FormData\n        ? ResolveValidatorInput<TInputValidator>\n        : ValidateSerializable<\n            ResolveValidatorInput<TInputValidator>,\n            RegisteredSerializableInput<TRegister>\n          >\n      : ValidateSerializable<\n          ResolveValidatorInput<TInputValidator>,\n          RegisteredSerializableInput<TRegister>\n        >\n\nexport type ValidateValidator<\n  TRegister,\n  TMethod extends Method,\n  TInputValidator,\n  TStrict extends ServerFnStrict = true,\n> =\n  ValidateValidatorInput<\n    TRegister,\n    TMethod,\n    TInputValidator,\n    TStrict\n  > extends infer TInput\n    ? Validator<TInput, any>\n    : never\n\nexport type ConstrainValidator<\n  TRegister,\n  TMethod extends Method,\n  TInputValidator,\n  TStrict extends ServerFnStrict = true,\n> =\n  | (unknown extends TInputValidator\n      ? TInputValidator\n      : ResolveValidatorInput<TInputValidator> extends ValidateValidator<\n            TRegister,\n            TMethod,\n            TInputValidator,\n            TStrict\n          >\n        ? TInputValidator\n        : never)\n  | ValidateValidator<TRegister, TMethod, TInputValidator, TStrict>\n\nexport type AppendMiddlewares<TMiddlewares, TNewMiddlewares> =\n  TMiddlewares extends ReadonlyArray<any>\n    ? TNewMiddlewares extends ReadonlyArray<any>\n      ? readonly [...TMiddlewares, ...TNewMiddlewares]\n      : TMiddlewares\n    : TNewMiddlewares\n\nexport interface ServerFnMiddleware<\n  TRegister,\n  TMethod extends Method,\n  TMiddlewares,\n  TInputValidator,\n  TStrict extends ServerFnStrict,\n> {\n  middleware: <const TNewMiddlewares>(\n    middlewares: Constrain<\n      TNewMiddlewares,\n      ReadonlyArray<AnyFunctionMiddleware | AnyRequestMiddleware | AnyServerFn>\n    >,\n  ) => ServerFnAfterMiddleware<\n    TRegister,\n    TMethod,\n    AppendMiddlewares<TMiddlewares, TNewMiddlewares>,\n    TInputValidator,\n    TStrict\n  >\n}\n\nexport interface ServerFnAfterMiddleware<\n  TRegister,\n  TMethod extends Method,\n  TMiddlewares,\n  TInputValidator,\n  TStrict extends ServerFnStrict,\n>\n  extends\n    ServerFnWithTypes<\n      TRegister,\n      TMethod,\n      TMiddlewares,\n      TInputValidator,\n      undefined,\n      TStrict\n    >,\n    ServerFnMiddleware<TRegister, TMethod, TMiddlewares, undefined, TStrict>,\n    ServerFnValidator<TRegister, TMethod, TMiddlewares, TStrict>,\n    ServerFnHandler<\n      TRegister,\n      TMethod,\n      TMiddlewares,\n      TInputValidator,\n      TStrict\n    > {\n  <\n    TNewMethod extends Method = TMethod,\n    TNewStrict extends ServerFnStrict = TStrict,\n  >(\n    options?: ServerFnOptions<TNewMethod, TNewStrict>,\n  ): ServerFnAfterMiddleware<\n    TRegister,\n    TNewMethod,\n    TMiddlewares,\n    TInputValidator,\n    TNewStrict\n  >\n}\n\nexport type ValidatorFn<\n  TRegister,\n  TMethod extends Method,\n  TMiddlewares,\n  TStrict extends ServerFnStrict,\n> = <TInputValidator>(\n  inputValidator: ConstrainValidator<\n    TRegister,\n    TMethod,\n    TInputValidator,\n    TStrict\n  >,\n) => ServerFnAfterValidator<\n  TRegister,\n  TMethod,\n  TMiddlewares,\n  TInputValidator,\n  TStrict\n>\n\nexport interface ServerFnValidator<\n  TRegister,\n  TMethod extends Method,\n  TMiddlewares,\n  TStrict extends ServerFnStrict,\n> {\n  inputValidator: ValidatorFn<TRegister, TMethod, TMiddlewares, TStrict>\n}\n\nexport interface ServerFnAfterValidator<\n  TRegister,\n  TMethod extends Method,\n  TMiddlewares,\n  TInputValidator,\n  TStrict extends ServerFnStrict,\n>\n  extends\n    ServerFnWithTypes<\n      TRegister,\n      TMethod,\n      TMiddlewares,\n      TInputValidator,\n      undefined,\n      TStrict\n    >,\n    ServerFnMiddleware<\n      TRegister,\n      TMethod,\n      TMiddlewares,\n      TInputValidator,\n      TStrict\n    >,\n    ServerFnHandler<\n      TRegister,\n      TMethod,\n      TMiddlewares,\n      TInputValidator,\n      TStrict\n    > {}\n\nexport interface ServerFnAfterTyper<\n  TRegister,\n  TMethod extends Method,\n  TMiddlewares,\n  TInputValidator,\n  TStrict extends ServerFnStrict,\n>\n  extends\n    ServerFnWithTypes<\n      TRegister,\n      TMethod,\n      TMiddlewares,\n      TInputValidator,\n      undefined,\n      TStrict\n    >,\n    ServerFnHandler<\n      TRegister,\n      TMethod,\n      TMiddlewares,\n      TInputValidator,\n      TStrict\n    > {}\n\n// Handler\nexport interface ServerFnHandler<\n  TRegister,\n  TMethod extends Method,\n  TMiddlewares,\n  TInputValidator,\n  TStrict extends ServerFnStrict,\n> {\n  handler: <TNewResponse>(\n    fn?: ServerFn<\n      TRegister,\n      TMethod,\n      TMiddlewares,\n      TInputValidator,\n      TNewResponse,\n      TStrict\n    >,\n  ) => Fetcher<TMiddlewares, TInputValidator, TNewResponse>\n}\n\nexport interface ServerFnBuilder<\n  TRegister,\n  TMethod extends Method = 'GET',\n  TStrict extends ServerFnStrict = true,\n>\n  extends\n    ServerFnWithTypes<\n      TRegister,\n      TMethod,\n      undefined,\n      undefined,\n      undefined,\n      TStrict\n    >,\n    ServerFnMiddleware<TRegister, TMethod, undefined, undefined, TStrict>,\n    ServerFnValidator<TRegister, TMethod, undefined, TStrict>,\n    ServerFnHandler<TRegister, TMethod, undefined, undefined, TStrict> {\n  <\n    TNewMethod extends Method = TMethod,\n    TNewStrict extends ServerFnStrict = TStrict,\n  >(\n    options?: ServerFnOptions<TNewMethod, TNewStrict>,\n  ): ServerFnBuilder<TRegister, TNewMethod, TNewStrict>\n  options: ServerFnBaseOptions<\n    TRegister,\n    TMethod,\n    unknown,\n    undefined,\n    undefined,\n    TStrict\n  >\n}\n\nexport interface ServerFnWithTypes<\n  in out TRegister,\n  in out TMethod extends Method,\n  in out TMiddlewares,\n  in out TInputValidator,\n  in out TResponse,\n  in out TStrict extends ServerFnStrict,\n> {\n  '~types': ServerFnTypes<\n    TRegister,\n    TMethod,\n    TMiddlewares,\n    TInputValidator,\n    TResponse,\n    TStrict\n  >\n  options: ServerFnBaseOptions<\n    TRegister,\n    TMethod,\n    unknown,\n    undefined,\n    undefined,\n    TStrict\n  >\n  [TSS_SERVER_FUNCTION_FACTORY]: true\n}\n\nexport type AnyServerFn = ServerFnWithTypes<any, any, any, any, any, any>\n\nexport interface ServerFnTypes<\n  in out TRegister,\n  in out TMethod extends Method,\n  in out TMiddlewares,\n  in out TInputValidator,\n  in out TResponse,\n  in out TStrict extends ServerFnStrict,\n> {\n  method: TMethod\n  strict: TStrict\n  middlewares: TMiddlewares\n  inputValidator: TInputValidator\n  response: TResponse\n  allServerContext: AssignAllServerFnContext<TRegister, TMiddlewares>\n  allInput: IntersectAllValidatorInputs<TMiddlewares, TInputValidator>\n  allOutput: IntersectAllValidatorOutputs<TMiddlewares, TInputValidator>\n}\n\nexport function flattenMiddlewares<\n  T extends AnyFunctionMiddleware | AnyRequestMiddleware,\n>(middlewares: Array<T>, maxDepth: number = 100): Array<T> {\n  const seen = new Set<T>()\n  const flattened: Array<T> = []\n\n  const recurse = (middleware: Array<T>, depth: number) => {\n    if (depth > maxDepth) {\n      throw new Error(\n        `Middleware nesting depth exceeded maximum of ${maxDepth}. Check for circular references.`,\n      )\n    }\n    middleware.forEach((m) => {\n      if (m.options.middleware) {\n        recurse(m.options.middleware as Array<T>, depth + 1)\n      }\n\n      if (!seen.has(m)) {\n        seen.add(m)\n        flattened.push(m)\n      }\n    })\n  }\n\n  recurse(middlewares, 0)\n\n  return flattened\n}\n\nexport type ServerFnMiddlewareOptions = {\n  method: Method\n  data: any\n  headers?: HeadersInit\n  signal?: AbortSignal\n  sendContext?: any\n  context?: any\n  serverFnMeta: ClientFnMeta\n  fetch?: CustomFetch\n  /** @internal - Preserves the call-site fetch to ensure it has highest priority over middleware */\n  _callSiteFetch?: CustomFetch\n}\n\nexport type ServerFnMiddlewareResult = ServerFnMiddlewareOptions & {\n  result?: unknown\n  error?: unknown\n}\n\nexport type NextFn = (\n  ctx: ServerFnMiddlewareResult,\n) => Promise<ServerFnMiddlewareResult>\n\nexport type MiddlewareFn = (\n  ctx: ServerFnMiddlewareOptions & {\n    next: NextFn\n  },\n) => Promise<ServerFnMiddlewareResult>\n\nexport async function execValidator(\n  validator: AnyValidator,\n  input: unknown,\n): Promise<unknown> {\n  if (validator == null) return {}\n\n  if ('~standard' in validator) {\n    const result = await validator['~standard'].validate(input)\n\n    if (result.issues)\n      throw new Error(JSON.stringify(result.issues, undefined, 2))\n\n    return result.value\n  }\n\n  if ('parse' in validator) {\n    return validator.parse(input)\n  }\n\n  if (typeof validator === 'function') {\n    return validator(input)\n  }\n\n  throw new Error('Invalid validator type!')\n}\n\nfunction serverFnBaseToMiddleware(\n  options: ServerFnBaseOptions<any, any, any, any, any>,\n): AnyFunctionMiddleware {\n  return {\n    '~types': undefined!,\n    options: {\n      inputValidator: options.inputValidator,\n      client: async ({ next, sendContext, fetch, ...ctx }) => {\n        const payload = {\n          ...ctx,\n          // switch the sendContext over to 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package.json

 {
   "name": "@tanstack/start-client-core",
-  "version": "1.170.7",
+  "version": "1.170.8",
   "description": "Modern and scalable routing for React applications",
@@ -94,5 +94,5 @@ "author": "Tanner Linsley",
     "seroval": "^1.5.4",
-    "@tanstack/router-core": "1.171.9",
+    "@tanstack/router-core": "1.171.10",
     "@tanstack/start-fn-stubs": "1.162.0",
-    "@tanstack/start-storage-context": "1.167.11"
+    "@tanstack/start-storage-context": "1.167.12"
   },
@@ -99,0 +99,0 @@ "devDependencies": {

skills/start-core/auth-server-primitives/SKILL.md

@@ -27,6 +27,17 @@ ---
 
-> **CRITICAL**: A route guard does NOT protect a `createServerFn` on that route. Server functions are RPC endpoints reachable by direct POST regardless of which route renders them. Auth must be enforced **inside the handler** (or via middleware), not on the calling route.
+> **CRITICAL**: Protect the data/API boundary first. Server functions, server routes, and other API endpoints that touch private data must enforce auth **inside the handler** or middleware. Route guards are route UX, not the data security boundary.
 > **CRITICAL**: Validating the _shape_ of a client-supplied identifier (`z.string().uuid().parse(...)`) is not authorization. A parsed UUID is still _some_ tenant — re-check membership against the session principal before using it.
 > **CRITICAL**: Read session/cookies inside `.handler()` or middleware `.server()`, not at module scope. Module-level reads run before requests exist (and are also undefined on Cloudflare Workers).
 
+## Production Checklist
+
+- Enforce auth in every server function, server route, or API endpoint that reads or writes private user, tenant, or account data. Use route `beforeLoad` for page UX, not as the data boundary.
+- Use `.inputValidator()` on every server function that accepts input.
+- Store sessions in `HttpOnly`, `Secure`, `SameSite` cookies. Do not store session tokens in `localStorage` or `sessionStorage`.
+- Hash passwords with bcrypt, scrypt, or Argon2. For missing users, verify against a dummy hash and return the same login/reset message.
+- Rate limit login, registration, and password-reset endpoints.
+- Use CSRF or same-origin protections for non-GET server functions and server routes.
+- Log authentication events and monitor failures.
+- Test direct unauthenticated calls to protected server functions; they should reject before returning data.
+
 ## Session Cookies
@@ -121,3 +132,3 @@
 
-> **Route guards do not cover this.** A `createFileRoute('/_authenticated/orders')` with a `beforeLoad` redirect does NOT protect `getMyOrders` — the RPC is reachable via direct POST whether or not the user ever hits the route. Apply `authMiddleware` (or re-check inside `.handler()`) on every server function that needs auth.
+> **Route guards do not cover this.** A `createFileRoute('/_authenticated/orders')` with a `beforeLoad` redirect does NOT protect `getMyOrders` — the RPC is reachable directly whether or not the user ever hits the route. Apply `authMiddleware` (or re-check inside `.handler()`) on every server function that needs auth.
 
@@ -124,0 +135,0 @@ ## Issuing a Session on Login

skills/start-core/middleware/SKILL.md

@@ -246,3 +246,3 @@ ---
 
-> **Attach `authMiddleware` to every `createServerFn` that needs auth.** Server functions are RPC endpoints — a route `beforeLoad` does NOT protect the RPC, only the route's UI. Pair every protected route with handler-level enforcement here. See [router-core/auth-and-guards](../../../../router-core/skills/router-core/auth-and-guards/SKILL.md) and [start-core/auth-server-primitives](../auth-server-primitives/SKILL.md).
+> **Attach `authMiddleware` to every `createServerFn` that needs auth.** Server functions are API endpoints; a route `beforeLoad` does not protect their data, only the route's UI. Protect the endpoint that reads or mutates private data. See [router-core/auth-and-guards](../../../../router-core/skills/router-core/auth-and-guards/SKILL.md) and [start-core/auth-server-primitives](../auth-server-primitives/SKILL.md).
 
@@ -399,2 +399,2 @@ ```tsx
 - [start-core/auth-server-primitives](../auth-server-primitives/SKILL.md) — building the `authMiddleware` factory itself: session cookie reads, OAuth state, CSRF
-- [router-core/auth-and-guards](../../../../router-core/skills/router-core/auth-and-guards/SKILL.md) — routing-side guards (route `beforeLoad` does NOT protect server functions; pair guards with `authMiddleware` on every protected RPC)
+- [router-core/auth-and-guards](../../../../router-core/skills/router-core/auth-and-guards/SKILL.md) — routing-side UX guards; data auth belongs in the server function, server route, or API endpoint handler/middleware

skills/start-core/server-functions/SKILL.md

@@ -22,3 +22,3 @@ ---
 
-> **CRITICAL**: Server functions are RPC endpoints. They are reachable by direct POST regardless of which route renders the calling UI. **Auth must be enforced inside the handler (or via middleware) — a route `beforeLoad` does NOT protect the RPC.** See [start-core/auth-server-primitives](../auth-server-primitives/SKILL.md) for the session/middleware pattern.
+> **CRITICAL**: Server functions are API endpoints. They are reachable independently of whichever route renders the calling UI. **Auth must be enforced inside the handler (or via middleware) for any server function that touches private data.** Route `beforeLoad` is UX, not the data boundary. See [start-core/auth-server-primitives](../auth-server-primitives/SKILL.md) for the session/middleware pattern.
 > **CRITICAL**: Loaders are ISOMORPHIC — they run on BOTH client and server. Database queries, file system access, and secret API keys MUST go inside `createServerFn`, NOT in loaders directly.
@@ -274,3 +274,3 @@ > **CRITICAL**: Do not use `"use server"` directives, `getServerSideProps`, or any Next.js/Remix server patterns. TanStack Start uses `createServerFn` exclusively.
 
-A `beforeLoad` redirect protects the **route's UI**, not the **RPC**. `createServerFn` exposes a callable endpoint that an attacker can hit directly — no need to load the route at all. Auth on the route is necessary but not sufficient.
+A `beforeLoad` redirect protects the **route's UI**, not the **data endpoint**. `createServerFn` exposes a callable endpoint that an attacker can hit directly — no need to load the route at all. Auth on the endpoint is the security boundary; auth on the route is UX.
 
@@ -435,2 +435,2 @@ ```tsx
 - [start-core/auth-server-primitives](../auth-server-primitives/SKILL.md) — sessions, cookies, OAuth, CSRF, rate limiting (the server-side half of auth; `getCurrentUser`/`useSession`-style helpers belong here, not at module scope)
-- [router-core/auth-and-guards](../../../../router-core/skills/router-core/auth-and-guards/SKILL.md) — the routing side: route guards do NOT protect server functions, so always re-check auth in the handler or via middleware
+- [router-core/auth-and-guards](../../../../router-core/skills/router-core/auth-and-guards/SKILL.md) — routing-side UX guards; data auth belongs in the server function, server route, or API endpoint handler/middleware

src/createMiddleware.ts

@@ -44,23 +44,17 @@ import type { StartInstanceOptions } from './createStart'
       return createMiddleware(
-        {} as any,
+        {},
         Object.assign(resolvedOptions, { middleware }),
-      ) as any
+      )
     },
     inputValidator: (inputValidator: any) => {
       return createMiddleware(
-        {} as any,
+        {},
         Object.assign(resolvedOptions, { inputValidator }),
-      ) as any
+      )
     },
     client: (client: any) => {
-      return createMiddleware(
-        {} as any,
-        Object.assign(resolvedOptions, { client }),
-      ) as any
+      return createMiddleware({}, Object.assign(resolvedOptions, { client }))
     },
     server: (server: any) => {
-      return createMiddleware(
-        {} as any,
-        Object.assign(resolvedOptions, { server }),
-      ) as any
+      return createMiddleware({}, Object.assign(resolvedOptions, { server }))
     },
@@ -67,0 +61,0 @@ } as any

src/createServerFn.ts

@@ -28,3 +28,2 @@ import { mergeHeaders } from '@tanstack/router-core/ssr/client'
   AssignAllServerFnContext,
-  FunctionMiddlewareServerFnResult,
   IntersectAllValidatorInputs,
@@ -34,4 +33,2 @@ IntersectAllValidatorOutputs,
 
-type TODO = any
-
 export type ServerFnStrict = boolean | { input?: boolean; output?: boolean }
@@ -114,3 +111,3 @@
       }
-      const res = createServerFn(undefined, newOptions) as any
+      const res = createServerFn(undefined, newOptions)
       res[TSS_SERVER_FUNCTION_FACTORY] = true
@@ -156,3 +153,3 @@ return res
             ...newOptions,
-            data: opts?.data as any,
+            data: opts?.data,
             headers: opts?.headers,
@@ -221,3 +218,3 @@ signal: opts?.signal,
     }
-    return createServerFn(undefined, newOptions) as any
+    return createServerFn(undefined, newOptions)
   }
@@ -922,3 +919,3 @@ return Object.assign(fun, res) as any
           fetch,
-        } as any
+        }
 
@@ -933,3 +930,3 @@ // Execute the extracted function
         // Execute the server function
-        const result = await options.serverFn?.(ctx as TODO)
+        const result = await options.serverFn?.(ctx)
 
@@ -939,9 +936,3 @@ return next({
           result,
-        } as any) as unknown as FunctionMiddlewareServerFnResult<
-          any,
-          any,
-          any,
-          any,
-          any
-        >
+        } as any)
       },
@@ -948,0 +939,0 @@ },

No alert changes

Improved metrics

Total package byte prevSize

530808

0.04%

Worsened metrics

Lines of code

8358

-0.17%

Dependency changes

• + Added

  @tanstack/router-core@1.171.10
  (transitive)

• + Added

  @tanstack/start-storage-context@1.167.12
  (transitive)

• - Removed

  @tanstack/router-core@1.171.9
  (transitive)

• - Removed

  @tanstack/start-storage-context@1.167.11
  (transitive)

• Updated

  @tanstack/router-core@1.171.10

• Updated

  @tanstack/start-storage-context@1.167.12