hey-api · tompuric · May 14, 2026 · May 14, 2026 · May 14, 2026 · May 14, 2026
diff --git a/examples/openapi-ts-angular-common/openapi-ts.config.ts b/examples/openapi-ts-angular-common/openapi-ts.config.ts
@@ -1,6 +1,6 @@
-import { defineConfig } from '@hey-api/openapi-ts';
+import { defineConfig, type UserConfig } from '@hey-api/openapi-ts';
 
-export default defineConfig({
+const config: Promise<UserConfig> = defineConfig({
   input:
     'https://raw.githubusercontent.com/swagger-api/swagger-petstore/master/src/main/resources/openapi.yaml',
   logs: {
@@ -35,3 +35,5 @@ export default defineConfig({
     },
   ],
 });
+
+export default config;
diff --git a/examples/openapi-ts-angular-common/src/client/client.gen.ts b/examples/openapi-ts-angular-common/src/client/client.gen.ts
@@ -1,6 +1,6 @@
 // This file is auto-generated by @hey-api/openapi-ts
 
-import { type ClientOptions, type Config, createClient, createConfig } from './client';
+import { type Client, type ClientOptions, type Config, createClient, createConfig } from './client';
 import type { ClientOptions as ClientOptions2 } from './types.gen';
 
 /**
@@ -15,7 +15,7 @@ export type CreateClientConfig<T extends ClientOptions = ClientOptions2> = (
   override?: Config<ClientOptions & T>,
 ) => Config<Required<ClientOptions> & T>;
 
-export const client = createClient(
+export const client: Client = createClient(
   createConfig<ClientOptions2>({
     baseUrl: 'https://petstore3.swagger.io/api/v3',
     throwOnError: true,

diff --git a/examples/openapi-ts-angular-common/src/client/client/index.ts b/examples/openapi-ts-angular-common/src/client/client/index.ts
@@ -9,6 +9,7 @@ export {
 } from '../core/bodySerializer.gen';
 export { buildClientParams } from '../core/params.gen';
 export { serializeQueryKeyValue } from '../core/queryKeySerializer.gen';
+export type { ServerSentEventsResult } from '../core/serverSentEvents.gen';
 export { createClient } from './client.gen';
 export type {
   Client,

diff --git a/examples/openapi-ts-angular-common/src/client/client/utils.gen.ts b/examples/openapi-ts-angular-common/src/client/client/utils.gen.ts
@@ -92,8 +92,8 @@ const defaultPathSerializer = ({ path, url: _url }: PathSerializer) => {
 export const createQuerySerializer = <T = unknown>({
   parameters = {},
   ...args
-}: QuerySerializerOptions = {}) => {
-  const querySerializer = (queryParams: T) => {
+}: QuerySerializerOptions = {}): ((queryParams: T) => string) => {
+  const querySerializer = (queryParams: T): string => {
     const search: string[] = [];
     if (queryParams && typeof queryParams === 'object') {
       for (const name in queryParams) {
@@ -184,7 +184,7 @@ export const setAuthParams = async (
     Pick<RequestOptions, 'auth' | 'query'> & {
       headers: HttpHeaders;
     },
-) => {
+): Promise<void> => {
   for (const auth of options.security) {
     const token = await getAuthToken(auth, options.auth);
 
@@ -240,7 +240,7 @@ export const getUrl = ({
   query?: Record<string, unknown>;
   querySerializer: QuerySerializer;
   url: string;
-}) => {
+}): string => {
   const pathUrl = _url.startsWith('/') ? _url : `/${_url}`;
   let url = (baseUrl ?? '') + pathUrl;
   if (path) {

diff --git a/examples/openapi-ts-angular-common/src/client/core/params.gen.ts b/examples/openapi-ts-angular-common/src/client/core/params.gen.ts
@@ -102,7 +102,7 @@ const stripEmptySlots = (params: Params) => {
   }
 };
 
-export const buildClientParams = (args: ReadonlyArray<unknown>, fields: FieldsConfig) => {
+export const buildClientParams = (args: ReadonlyArray<unknown>, fields: FieldsConfig): Params => {
   const params: Params = {
     body: {},
     headers: {},

diff --git a/examples/openapi-ts-angular-common/src/client/core/pathSerializer.gen.ts b/examples/openapi-ts-angular-common/src/client/core/pathSerializer.gen.ts
@@ -25,7 +25,7 @@ interface SerializePrimitiveParam extends SerializePrimitiveOptions {
   value: string;
 }
 
-export const separatorArrayExplode = (style: ArraySeparatorStyle) => {
+export const separatorArrayExplode = (style: ArraySeparatorStyle): '.' | ';' | ',' | '&' => {
   switch (style) {
     case 'label':
       return '.';
@@ -38,7 +38,7 @@ export const separatorArrayExplode = (style: ArraySeparatorStyle) => {
   }
 };
 
-export const separatorArrayNoExplode = (style: ArraySeparatorStyle) => {
+export const separatorArrayNoExplode = (style: ArraySeparatorStyle): ',' | '|' | '%20' => {
   switch (style) {
     case 'form':
       return ',';
@@ -51,7 +51,7 @@ export const separatorArrayNoExplode = (style: ArraySeparatorStyle) => {
   }
 };
 
-export const separatorObjectExplode = (style: ObjectSeparatorStyle) => {
+export const separatorObjectExplode = (style: ObjectSeparatorStyle): '.' | ';' | ',' | '&' => {
   switch (style) {
     case 'label':
       return '.';
@@ -72,7 +72,7 @@ export const serializeArrayParam = ({
   value,
 }: SerializeOptions<ArraySeparatorStyle> & {
   value: unknown[];
-}) => {
+}): string => {
   if (!explode) {
     const joinedValues = (
       allowReserved ? value : value.map((v) => encodeURIComponent(v as string))
@@ -110,7 +110,7 @@ export const serializePrimitiveParam = ({
   allowReserved,
   name,
   value,
-}: SerializePrimitiveParam) => {
+}: SerializePrimitiveParam): string => {
   if (value === undefined || value === null) {
     return '';
   }
@@ -134,7 +134,7 @@ export const serializeObjectParam = ({
 }: SerializeOptions<ObjectSeparatorStyle> & {
   value: Record<string, unknown> | Date;
   valueOnly?: boolean;
-}) => {
+}): string => {
   if (value instanceof Date) {
     return valueOnly ? value.toISOString() : `${name}=${value.toISOString()}`;
   }

diff --git a/examples/openapi-ts-angular-common/src/client/core/queryKeySerializer.gen.ts b/examples/openapi-ts-angular-common/src/client/core/queryKeySerializer.gen.ts
@@ -14,7 +14,7 @@ export type JsonValue =
 /**
  * Replacer that converts non-JSON values (bigint, Date, etc.) to safe substitutes.
  */
-export const queryKeyJsonReplacer = (_key: string, value: unknown) => {
+export const queryKeyJsonReplacer = (_key: string, value: unknown): unknown | undefined => {
   if (value === undefined || typeof value === 'function' || typeof value === 'symbol') {
     return undefined;
   }

diff --git a/examples/openapi-ts-angular-common/src/client/core/utils.gen.ts b/examples/openapi-ts-angular-common/src/client/core/utils.gen.ts
@@ -13,9 +13,9 @@ export interface PathSerializer {
   url: string;
 }
 
-export const PATH_PARAM_RE = /\{[^{}]+\}/g;
+export const PATH_PARAM_RE: RegExp = /\{[^{}]+\}/g;
 
-export const defaultPathSerializer = ({ path, url: _url }: PathSerializer) => {
+export const defaultPathSerializer = ({ path, url: _url }: PathSerializer): string => {
   let url = _url;
   const matches = _url.match(PATH_PARAM_RE);
   if (matches) {
@@ -94,7 +94,7 @@ export const getUrl = ({
   query?: Record<string, unknown>;
   querySerializer: QuerySerializer;
   url: string;
-}) => {
+}): string => {
   const pathUrl = _url.startsWith('/') ? _url : `/${_url}`;
   let url = (baseUrl ?? '') + pathUrl;
   if (path) {
@@ -114,7 +114,7 @@ export function getValidRequestBody(options: {
   body?: unknown;
   bodySerializer?: BodySerializer | null;
   serializedBody?: unknown;
-}) {
+}): unknown {
   const hasBody = options.body !== undefined;
   const isSerializedBody = hasBody && options.bodySerializer;
 

diff --git a/examples/openapi-ts-angular-common/src/client/sdk.gen.ts b/examples/openapi-ts-angular-common/src/client/sdk.gen.ts
@@ -1,6 +1,6 @@
 // This file is auto-generated by @hey-api/openapi-ts
 
-import type { Client, Options as Options2, TDataShape } from './client';
+import type { Client, Options as Options2, RequestResult, TDataShape } from './client';
 import { client } from './client.gen';
 import type {
   AddPetData,
@@ -87,7 +87,7 @@ export type Options<
  */
 export const addPet = <ThrowOnError extends boolean = true>(
   options: Options<AddPetData, ThrowOnError>,
-) =>
+): RequestResult<AddPetResponses, AddPetErrors, ThrowOnError, 'data'> =>
   (options.client ?? client).post<AddPetResponses, AddPetErrors, ThrowOnError, 'data'>({
     responseStyle: 'data',
     security: [{ scheme: 'bearer', type: 'http' }],
@@ -106,7 +106,7 @@ export const addPet = <ThrowOnError extends boolean = true>(
  */
 export const updatePet = <ThrowOnError extends boolean = true>(
   options: Options<UpdatePetData, ThrowOnError>,
-) =>
+): RequestResult<UpdatePetResponses, UpdatePetErrors, ThrowOnError, 'data'> =>
   (options.client ?? client).put<UpdatePetResponses, UpdatePetErrors, ThrowOnError, 'data'>({
     responseStyle: 'data',
     security: [{ scheme: 'bearer', type: 'http' }],
@@ -125,7 +125,7 @@ export const updatePet = <ThrowOnError extends boolean = true>(
  */
 export const findPetsByStatus = <ThrowOnError extends boolean = true>(
   options: Options<FindPetsByStatusData, ThrowOnError>,
-) =>
+): RequestResult<FindPetsByStatusResponses, FindPetsByStatusErrors, ThrowOnError, 'data'> =>
   (options.client ?? client).get<
     FindPetsByStatusResponses,
     FindPetsByStatusErrors,
@@ -145,7 +145,7 @@ export const findPetsByStatus = <ThrowOnError extends boolean = true>(
  */
 export const findPetsByTags = <ThrowOnError extends boolean = true>(
   options: Options<FindPetsByTagsData, ThrowOnError>,
-) =>
+): RequestResult<FindPetsByTagsResponses, FindPetsByTagsErrors, ThrowOnError, 'data'> =>
   (options.client ?? client).get<
     FindPetsByTagsResponses,
     FindPetsByTagsErrors,
@@ -165,7 +165,7 @@ export const findPetsByTags = <ThrowOnError extends boolean = true>(
  */
 export const deletePet = <ThrowOnError extends boolean = true>(
   options: Options<DeletePetData, ThrowOnError>,
-) =>
+): RequestResult<DeletePetResponses, DeletePetErrors, ThrowOnError, 'data'> =>
   (options.client ?? client).delete<DeletePetResponses, DeletePetErrors, ThrowOnError, 'data'>({
     responseStyle: 'data',
     security: [{ scheme: 'bearer', type: 'http' }],
@@ -180,7 +180,7 @@ export const deletePet = <ThrowOnError extends boolean = true>(
  */
 export const getPetById = <ThrowOnError extends boolean = true>(
   options: Options<GetPetByIdData, ThrowOnError>,
-) =>
+): RequestResult<GetPetByIdResponses, GetPetByIdErrors, ThrowOnError, 'data'> =>
   (options.client ?? client).get<GetPetByIdResponses, GetPetByIdErrors, ThrowOnError, 'data'>({
     responseStyle: 'data',
     security: [
@@ -198,7 +198,7 @@ export const getPetById = <ThrowOnError extends boolean = true>(
  */
 export const updatePetWithForm = <ThrowOnError extends boolean = true>(
   options: Options<UpdatePetWithFormData, ThrowOnError>,
-) =>
+): RequestResult<UpdatePetWithFormResponses, UpdatePetWithFormErrors, ThrowOnError, 'data'> =>
   (options.client ?? client).post<
     UpdatePetWithFormResponses,
     UpdatePetWithFormErrors,
@@ -218,7 +218,7 @@ export const updatePetWithForm = <ThrowOnError extends boolean = true>(
  */
 export const uploadFile = <ThrowOnError extends boolean = true>(
   options: Options<UploadFileData, ThrowOnError>,
-) =>
+): RequestResult<UploadFileResponses, UploadFileErrors, ThrowOnError, 'data'> =>
   (options.client ?? client).post<UploadFileResponses, UploadFileErrors, ThrowOnError, 'data'>({
     bodySerializer: null,
     responseStyle: 'data',
@@ -238,7 +238,7 @@ export const uploadFile = <ThrowOnError extends boolean = true>(
  */
 export const getInventory = <ThrowOnError extends boolean = true>(
   options?: Options<GetInventoryData, ThrowOnError>,
-) =>
+): RequestResult<GetInventoryResponses, GetInventoryErrors, ThrowOnError, 'data'> =>
   (options?.client ?? client).get<GetInventoryResponses, GetInventoryErrors, ThrowOnError, 'data'>({
     responseStyle: 'data',
     security: [{ name: 'api_key', type: 'apiKey' }],
@@ -253,7 +253,7 @@ export const getInventory = <ThrowOnError extends boolean = true>(
  */
 export const placeOrder = <ThrowOnError extends boolean = true>(
   options?: Options<PlaceOrderData, ThrowOnError>,
-) =>
+): RequestResult<PlaceOrderResponses, PlaceOrderErrors, ThrowOnError, 'data'> =>
   (options?.client ?? client).post<PlaceOrderResponses, PlaceOrderErrors, ThrowOnError, 'data'>({
     responseStyle: 'data',
     url: '/store/order',
@@ -271,7 +271,7 @@ export const placeOrder = <ThrowOnError extends boolean = true>(
  */
 export const deleteOrder = <ThrowOnError extends boolean = true>(
   options: Options<DeleteOrderData, ThrowOnError>,
-) =>
+): RequestResult<DeleteOrderResponses, DeleteOrderErrors, ThrowOnError, 'data'> =>
   (options.client ?? client).delete<DeleteOrderResponses, DeleteOrderErrors, ThrowOnError, 'data'>({
     responseStyle: 'data',
     url: '/store/order/{orderId}',
@@ -285,7 +285,7 @@ export const deleteOrder = <ThrowOnError extends boolean = true>(
  */
 export const getOrderById = <ThrowOnError extends boolean = true>(
   options: Options<GetOrderByIdData, ThrowOnError>,
-) =>
+): RequestResult<GetOrderByIdResponses, GetOrderByIdErrors, ThrowOnError, 'data'> =>
   (options.client ?? client).get<GetOrderByIdResponses, GetOrderByIdErrors, ThrowOnError, 'data'>({
     responseStyle: 'data',
     url: '/store/order/{orderId}',
@@ -299,7 +299,7 @@ export const getOrderById = <ThrowOnError extends boolean = true>(
  */
 export const createUser = <ThrowOnError extends boolean = true>(
   options?: Options<CreateUserData, ThrowOnError>,
-) =>
+): RequestResult<CreateUserResponses, CreateUserErrors, ThrowOnError, 'data'> =>
   (options?.client ?? client).post<CreateUserResponses, CreateUserErrors, ThrowOnError, 'data'>({
     responseStyle: 'data',
     url: '/user',
@@ -317,7 +317,12 @@ export const createUser = <ThrowOnError extends boolean = true>(
  */
 export const createUsersWithListInput = <ThrowOnError extends boolean = true>(
   options?: Options<CreateUsersWithListInputData, ThrowOnError>,
-) =>
+): RequestResult<
+  CreateUsersWithListInputResponses,
+  CreateUsersWithListInputErrors,
+  ThrowOnError,
+  'data'
+> =>
   (options?.client ?? client).post<
     CreateUsersWithListInputResponses,
     CreateUsersWithListInputErrors,
@@ -340,7 +345,7 @@ export const createUsersWithListInput = <ThrowOnError extends boolean = true>(
  */
 export const loginUser = <ThrowOnError extends boolean = true>(
   options?: Options<LoginUserData, ThrowOnError>,
-) =>
+): RequestResult<LoginUserResponses, LoginUserErrors, ThrowOnError, 'data'> =>
   (options?.client ?? client).get<LoginUserResponses, LoginUserErrors, ThrowOnError, 'data'>({
     responseStyle: 'data',
     url: '/user/login',
@@ -354,7 +359,7 @@ export const loginUser = <ThrowOnError extends boolean = true>(
  */
 export const logoutUser = <ThrowOnError extends boolean = true>(
   options?: Options<LogoutUserData, ThrowOnError>,
-) =>
+): RequestResult<LogoutUserResponses, LogoutUserErrors, ThrowOnError, 'data'> =>
   (options?.client ?? client).get<LogoutUserResponses, LogoutUserErrors, ThrowOnError, 'data'>({
     responseStyle: 'data',
     url: '/user/logout',
@@ -368,7 +373,7 @@ export const logoutUser = <ThrowOnError extends boolean = true>(
  */
 export const deleteUser = <ThrowOnError extends boolean = true>(
   options: Options<DeleteUserData, ThrowOnError>,
-) =>
+): RequestResult<DeleteUserResponses, DeleteUserErrors, ThrowOnError, 'data'> =>
   (options.client ?? client).delete<DeleteUserResponses, DeleteUserErrors, ThrowOnError, 'data'>({
     responseStyle: 'data',
     url: '/user/{username}',
@@ -382,7 +387,7 @@ export const deleteUser = <ThrowOnError extends boolean = true>(
  */
 export const getUserByName = <ThrowOnError extends boolean = true>(
   options: Options<GetUserByNameData, ThrowOnError>,
-) =>
+): RequestResult<GetUserByNameResponses, GetUserByNameErrors, ThrowOnError, 'data'> =>
   (options.client ?? client).get<GetUserByNameResponses, GetUserByNameErrors, ThrowOnError, 'data'>(
     {
       responseStyle: 'data',
@@ -398,7 +403,7 @@ export const getUserByName = <ThrowOnError extends boolean = true>(
  */
 export const updateUser = <ThrowOnError extends boolean = true>(
   options: Options<UpdateUserData, ThrowOnError>,
-) =>
+): RequestResult<UpdateUserResponses, UpdateUserErrors, ThrowOnError, 'data'> =>
   (options.client ?? client).put<UpdateUserResponses, UpdateUserErrors, ThrowOnError, 'data'>({
     responseStyle: 'data',
     url: '/user/{username}',

diff --git a/examples/openapi-ts-angular/openapi-ts.config.ts b/examples/openapi-ts-angular/openapi-ts.config.ts
@@ -1,6 +1,6 @@
-import { defineConfig } from '@hey-api/openapi-ts';
+import { defineConfig, type UserConfig } from '@hey-api/openapi-ts';
 
-export default defineConfig({
+const config: Promise<UserConfig> = defineConfig({
   input:
     'https://raw.githubusercontent.com/swagger-api/swagger-petstore/master/src/main/resources/openapi.yaml',
   logs: {
@@ -26,3 +26,5 @@ export default defineConfig({
     },
   ],
 });
+
+export default config;
diff --git a/examples/openapi-ts-angular/src/client/client.gen.ts b/examples/openapi-ts-angular/src/client/client.gen.ts
@@ -1,6 +1,6 @@
 // This file is auto-generated by @hey-api/openapi-ts
 
-import { type ClientOptions, type Config, createClient, createConfig } from './client';
+import { type Client, type ClientOptions, type Config, createClient, createConfig } from './client';
 import type { ClientOptions as ClientOptions2 } from './types.gen';
 
 /**
@@ -15,6 +15,6 @@ export type CreateClientConfig<T extends ClientOptions = ClientOptions2> = (
   override?: Config<ClientOptions & T>,
 ) => Config<Required<ClientOptions> & T>;
 
-export const client = createClient(
+export const client: Client = createClient(
   createConfig<ClientOptions2>({ baseUrl: 'https://petstore3.swagger.io/api/v3' }),
 );
diff --git a/examples/openapi-ts-angular/src/client/client/index.ts b/examples/openapi-ts-angular/src/client/client/index.ts
@@ -9,6 +9,7 @@ export {
 } from '../core/bodySerializer.gen';
 export { buildClientParams } from '../core/params.gen';
 export { serializeQueryKeyValue } from '../core/queryKeySerializer.gen';
+export type { ServerSentEventsResult } from '../core/serverSentEvents.gen';
 export { createClient } from './client.gen';
 export type {
   Client,