From f5d6aaebb2b54a645674ea2b7df1c4b1048abcb1 Mon Sep 17 00:00:00 2001
From: Silas Boyd-Wickizer <silasbw@gmail.com>
Date: Tue, 15 Jan 2019 18:31:30 -0800
Subject: [PATCH] [TypeScript-Node] support setting the content-type header
 per-call (#1868)

* [TypeScript-Node] support setting the content-type header per-call

This approach is inspired by the typescript-fetch implementation in
swagger-codegen.

Fixes https://github.com/OpenAPITools/openapi-generator/issues/1867

* Update modules/openapi-generator/src/main/resources/typescript-node/api-single.mustache

Co-Authored-By: silasbw <silasbw@gmail.com>

* Update modules/openapi-generator/src/main/resources/typescript-node/api-single.mustache

Co-Authored-By: silasbw <silasbw@gmail.com>

* Update Petstore sample

* Fix types

* update "npm" petstore example

* Rename
---
 .../typescript-node/api-single.mustache       |  3 ++-
 .../typescript-node/api/fakeApi.ts            |  3 ++-
 .../typescript-node/default/api/petApi.ts     | 24 ++++++++++++-------
 .../typescript-node/default/api/storeApi.ts   | 12 ++++++----
 .../typescript-node/default/api/userApi.ts    | 24 ++++++++++++-------
 .../typescript-node/npm/api/petApi.ts         | 24 ++++++++++++-------
 .../typescript-node/npm/api/storeApi.ts       | 12 ++++++----
 .../typescript-node/npm/api/userApi.ts        | 24 ++++++++++++-------
 8 files changed, 84 insertions(+), 42 deletions(-)

diff --git a/modules/openapi-generator/src/main/resources/typescript-node/api-single.mustache b/modules/openapi-generator/src/main/resources/typescript-node/api-single.mustache
index b3508727eb6..c1ae478c2f8 100644
--- a/modules/openapi-generator/src/main/resources/typescript-node/api-single.mustache
+++ b/modules/openapi-generator/src/main/resources/typescript-node/api-single.mustache
@@ -127,7 +127,7 @@ export class {{classname}} {
      * @param {{paramName}} {{description}}
      {{/allParams}}
      */
-    public {{nickname}} ({{#allParams}}{{paramName}}{{^required}}?{{/required}}: {{{dataType}}}{{#hasMore}}, {{/hasMore}}{{/allParams}}) : Promise<{ response: http.{{#supportsES6}}IncomingMessage{{/supportsES6}}{{^supportsES6}}ClientResponse{{/supportsES6}}; {{#returnType}}body: {{{returnType}}}; {{/returnType}}{{^returnType}}body?: any; {{/returnType}} }> {
+    public {{nickname}} ({{#allParams}}{{paramName}}{{^required}}?{{/required}}: {{{dataType}}}, {{/allParams}}options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.{{#supportsES6}}IncomingMessage{{/supportsES6}}{{^supportsES6}}ClientResponse{{/supportsES6}}; {{#returnType}}body: {{{returnType}}}; {{/returnType}}{{^returnType}}body?: any; {{/returnType}} }> {
         const localVarPath = this.basePath + '{{{path}}}'{{#pathParams}}
             .replace('{' + '{{baseName}}' + '}', encodeURIComponent(String({{paramName}}))){{/pathParams}};
         let localVarQueryParameters: any = {};
@@ -152,6 +152,7 @@ export class {{classname}} {
 {{#headerParams}}
         localVarHeaderParams['{{baseName}}'] = ObjectSerializer.serialize({{paramName}}, "{{{dataType}}}");
 {{/headerParams}}
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
diff --git a/samples/client/petstore-security-test/typescript-node/api/fakeApi.ts b/samples/client/petstore-security-test/typescript-node/api/fakeApi.ts
index ce68adb739b..a00664839d1 100644
--- a/samples/client/petstore-security-test/typescript-node/api/fakeApi.ts
+++ b/samples/client/petstore-security-test/typescript-node/api/fakeApi.ts
@@ -74,12 +74,13 @@ export class FakeApi {
      * @summary To test code injection *_/ ' \" =end -- \\r\\n \\n \\r
      * @param testCodeInjectEndRnNR To test code injection *_/ &#39; \\\&quot; &#x3D;end -- \\\\r\\\\n \\\\n \\\\r
      */
-    public testCodeInjectEndRnNR (testCodeInjectEndRnNR?: string) : Promise<{ response: http.ClientResponse; body?: any;  }> {
+    public testCodeInjectEndRnNR (testCodeInjectEndRnNR?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body?: any;  }> {
         const localVarPath = this.basePath + '/fake';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
         let localVarFormParams: any = {};
 
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
diff --git a/samples/client/petstore/typescript-node/default/api/petApi.ts b/samples/client/petstore/typescript-node/default/api/petApi.ts
index b5c995c5702..d7d08ae5db8 100644
--- a/samples/client/petstore/typescript-node/default/api/petApi.ts
+++ b/samples/client/petstore/typescript-node/default/api/petApi.ts
@@ -83,7 +83,7 @@ export class PetApi {
      * @summary Add a new pet to the store
      * @param body Pet object that needs to be added to the store
      */
-    public addPet (body: Pet) : Promise<{ response: http.ClientResponse; body?: any;  }> {
+    public addPet (body: Pet, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body?: any;  }> {
         const localVarPath = this.basePath + '/pet';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -94,6 +94,7 @@ export class PetApi {
             throw new Error('Required parameter body was null or undefined when calling addPet.');
         }
 
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
@@ -138,7 +139,7 @@ export class PetApi {
      * @param petId Pet id to delete
      * @param apiKey 
      */
-    public deletePet (petId: number, apiKey?: string) : Promise<{ response: http.ClientResponse; body?: any;  }> {
+    public deletePet (petId: number, apiKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body?: any;  }> {
         const localVarPath = this.basePath + '/pet/{petId}'
             .replace('{' + 'petId' + '}', encodeURIComponent(String(petId)));
         let localVarQueryParameters: any = {};
@@ -151,6 +152,7 @@ export class PetApi {
         }
 
         localVarHeaderParams['api_key'] = ObjectSerializer.serialize(apiKey, "string");
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
@@ -193,7 +195,7 @@ export class PetApi {
      * @summary Finds Pets by status
      * @param status Status values that need to be considered for filter
      */
-    public findPetsByStatus (status: Array<'available' | 'pending' | 'sold'>) : Promise<{ response: http.ClientResponse; body: Array<Pet>;  }> {
+    public findPetsByStatus (status: Array<'available' | 'pending' | 'sold'>, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body: Array<Pet>;  }> {
         const localVarPath = this.basePath + '/pet/findByStatus';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -208,6 +210,7 @@ export class PetApi {
             localVarQueryParameters['status'] = ObjectSerializer.serialize(status, "Array<'available' | 'pending' | 'sold'>");
         }
 
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
@@ -251,7 +254,7 @@ export class PetApi {
      * @summary Finds Pets by tags
      * @param tags Tags to filter by
      */
-    public findPetsByTags (tags: Array<string>) : Promise<{ response: http.ClientResponse; body: Array<Pet>;  }> {
+    public findPetsByTags (tags: Array<string>, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body: Array<Pet>;  }> {
         const localVarPath = this.basePath + '/pet/findByTags';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -266,6 +269,7 @@ export class PetApi {
             localVarQueryParameters['tags'] = ObjectSerializer.serialize(tags, "Array<string>");
         }
 
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
@@ -309,7 +313,7 @@ export class PetApi {
      * @summary Find pet by ID
      * @param petId ID of pet to return
      */
-    public getPetById (petId: number) : Promise<{ response: http.ClientResponse; body: Pet;  }> {
+    public getPetById (petId: number, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body: Pet;  }> {
         const localVarPath = this.basePath + '/pet/{petId}'
             .replace('{' + 'petId' + '}', encodeURIComponent(String(petId)));
         let localVarQueryParameters: any = {};
@@ -321,6 +325,7 @@ export class PetApi {
             throw new Error('Required parameter petId was null or undefined when calling getPetById.');
         }
 
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
@@ -364,7 +369,7 @@ export class PetApi {
      * @summary Update an existing pet
      * @param body Pet object that needs to be added to the store
      */
-    public updatePet (body: Pet) : Promise<{ response: http.ClientResponse; body?: any;  }> {
+    public updatePet (body: Pet, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body?: any;  }> {
         const localVarPath = this.basePath + '/pet';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -375,6 +380,7 @@ export class PetApi {
             throw new Error('Required parameter body was null or undefined when calling updatePet.');
         }
 
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
@@ -420,7 +426,7 @@ export class PetApi {
      * @param name Updated name of the pet
      * @param status Updated status of the pet
      */
-    public updatePetWithForm (petId: number, name?: string, status?: string) : Promise<{ response: http.ClientResponse; body?: any;  }> {
+    public updatePetWithForm (petId: number, name?: string, status?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body?: any;  }> {
         const localVarPath = this.basePath + '/pet/{petId}'
             .replace('{' + 'petId' + '}', encodeURIComponent(String(petId)));
         let localVarQueryParameters: any = {};
@@ -432,6 +438,7 @@ export class PetApi {
             throw new Error('Required parameter petId was null or undefined when calling updatePetWithForm.');
         }
 
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
@@ -484,7 +491,7 @@ export class PetApi {
      * @param additionalMetadata Additional data to pass to server
      * @param file file to upload
      */
-    public uploadFile (petId: number, additionalMetadata?: string, file?: Buffer) : Promise<{ response: http.ClientResponse; body: ApiResponse;  }> {
+    public uploadFile (petId: number, additionalMetadata?: string, file?: Buffer, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body: ApiResponse;  }> {
         const localVarPath = this.basePath + '/pet/{petId}/uploadImage'
             .replace('{' + 'petId' + '}', encodeURIComponent(String(petId)));
         let localVarQueryParameters: any = {};
@@ -496,6 +503,7 @@ export class PetApi {
             throw new Error('Required parameter petId was null or undefined when calling uploadFile.');
         }
 
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
diff --git a/samples/client/petstore/typescript-node/default/api/storeApi.ts b/samples/client/petstore/typescript-node/default/api/storeApi.ts
index e491efe0394..dbbce5ad5e9 100644
--- a/samples/client/petstore/typescript-node/default/api/storeApi.ts
+++ b/samples/client/petstore/typescript-node/default/api/storeApi.ts
@@ -77,7 +77,7 @@ export class StoreApi {
      * @summary Delete purchase order by ID
      * @param orderId ID of the order that needs to be deleted
      */
-    public deleteOrder (orderId: string) : Promise<{ response: http.ClientResponse; body?: any;  }> {
+    public deleteOrder (orderId: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body?: any;  }> {
         const localVarPath = this.basePath + '/store/order/{orderId}'
             .replace('{' + 'orderId' + '}', encodeURIComponent(String(orderId)));
         let localVarQueryParameters: any = {};
@@ -89,6 +89,7 @@ export class StoreApi {
             throw new Error('Required parameter orderId was null or undefined when calling deleteOrder.');
         }
 
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
@@ -128,12 +129,13 @@ export class StoreApi {
      * Returns a map of status codes to quantities
      * @summary Returns pet inventories by status
      */
-    public getInventory () : Promise<{ response: http.ClientResponse; body: { [key: string]: number; };  }> {
+    public getInventory (options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body: { [key: string]: number; };  }> {
         const localVarPath = this.basePath + '/store/inventory';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
         let localVarFormParams: any = {};
 
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
@@ -177,7 +179,7 @@ export class StoreApi {
      * @summary Find purchase order by ID
      * @param orderId ID of pet that needs to be fetched
      */
-    public getOrderById (orderId: number) : Promise<{ response: http.ClientResponse; body: Order;  }> {
+    public getOrderById (orderId: number, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body: Order;  }> {
         const localVarPath = this.basePath + '/store/order/{orderId}'
             .replace('{' + 'orderId' + '}', encodeURIComponent(String(orderId)));
         let localVarQueryParameters: any = {};
@@ -189,6 +191,7 @@ export class StoreApi {
             throw new Error('Required parameter orderId was null or undefined when calling getOrderById.');
         }
 
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
@@ -230,7 +233,7 @@ export class StoreApi {
      * @summary Place an order for a pet
      * @param body order placed for purchasing the pet
      */
-    public placeOrder (body: Order) : Promise<{ response: http.ClientResponse; body: Order;  }> {
+    public placeOrder (body: Order, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body: Order;  }> {
         const localVarPath = this.basePath + '/store/order';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -241,6 +244,7 @@ export class StoreApi {
             throw new Error('Required parameter body was null or undefined when calling placeOrder.');
         }
 
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
diff --git a/samples/client/petstore/typescript-node/default/api/userApi.ts b/samples/client/petstore/typescript-node/default/api/userApi.ts
index a7bae51a45d..6438051f2e2 100644
--- a/samples/client/petstore/typescript-node/default/api/userApi.ts
+++ b/samples/client/petstore/typescript-node/default/api/userApi.ts
@@ -75,7 +75,7 @@ export class UserApi {
      * @summary Create user
      * @param body Created user object
      */
-    public createUser (body: User) : Promise<{ response: http.ClientResponse; body?: any;  }> {
+    public createUser (body: User, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body?: any;  }> {
         const localVarPath = this.basePath + '/user';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -86,6 +86,7 @@ export class UserApi {
             throw new Error('Required parameter body was null or undefined when calling createUser.');
         }
 
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
@@ -127,7 +128,7 @@ export class UserApi {
      * @summary Creates list of users with given input array
      * @param body List of user object
      */
-    public createUsersWithArrayInput (body: Array<User>) : Promise<{ response: http.ClientResponse; body?: any;  }> {
+    public createUsersWithArrayInput (body: Array<User>, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body?: any;  }> {
         const localVarPath = this.basePath + '/user/createWithArray';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -138,6 +139,7 @@ export class UserApi {
             throw new Error('Required parameter body was null or undefined when calling createUsersWithArrayInput.');
         }
 
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
@@ -179,7 +181,7 @@ export class UserApi {
      * @summary Creates list of users with given input array
      * @param body List of user object
      */
-    public createUsersWithListInput (body: Array<User>) : Promise<{ response: http.ClientResponse; body?: any;  }> {
+    public createUsersWithListInput (body: Array<User>, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body?: any;  }> {
         const localVarPath = this.basePath + '/user/createWithList';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -190,6 +192,7 @@ export class UserApi {
             throw new Error('Required parameter body was null or undefined when calling createUsersWithListInput.');
         }
 
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
@@ -231,7 +234,7 @@ export class UserApi {
      * @summary Delete user
      * @param username The name that needs to be deleted
      */
-    public deleteUser (username: string) : Promise<{ response: http.ClientResponse; body?: any;  }> {
+    public deleteUser (username: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body?: any;  }> {
         const localVarPath = this.basePath + '/user/{username}'
             .replace('{' + 'username' + '}', encodeURIComponent(String(username)));
         let localVarQueryParameters: any = {};
@@ -243,6 +246,7 @@ export class UserApi {
             throw new Error('Required parameter username was null or undefined when calling deleteUser.');
         }
 
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
@@ -283,7 +287,7 @@ export class UserApi {
      * @summary Get user by user name
      * @param username The name that needs to be fetched. Use user1 for testing.
      */
-    public getUserByName (username: string) : Promise<{ response: http.ClientResponse; body: User;  }> {
+    public getUserByName (username: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body: User;  }> {
         const localVarPath = this.basePath + '/user/{username}'
             .replace('{' + 'username' + '}', encodeURIComponent(String(username)));
         let localVarQueryParameters: any = {};
@@ -295,6 +299,7 @@ export class UserApi {
             throw new Error('Required parameter username was null or undefined when calling getUserByName.');
         }
 
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
@@ -337,7 +342,7 @@ export class UserApi {
      * @param username The user name for login
      * @param password The password for login in clear text
      */
-    public loginUser (username: string, password: string) : Promise<{ response: http.ClientResponse; body: string;  }> {
+    public loginUser (username: string, password: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body: string;  }> {
         const localVarPath = this.basePath + '/user/login';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -361,6 +366,7 @@ export class UserApi {
             localVarQueryParameters['password'] = ObjectSerializer.serialize(password, "string");
         }
 
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
@@ -401,12 +407,13 @@ export class UserApi {
      * 
      * @summary Logs out current logged in user session
      */
-    public logoutUser () : Promise<{ response: http.ClientResponse; body?: any;  }> {
+    public logoutUser (options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body?: any;  }> {
         const localVarPath = this.basePath + '/user/logout';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
         let localVarFormParams: any = {};
 
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
@@ -448,7 +455,7 @@ export class UserApi {
      * @param username name that need to be deleted
      * @param body Updated user object
      */
-    public updateUser (username: string, body: User) : Promise<{ response: http.ClientResponse; body?: any;  }> {
+    public updateUser (username: string, body: User, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body?: any;  }> {
         const localVarPath = this.basePath + '/user/{username}'
             .replace('{' + 'username' + '}', encodeURIComponent(String(username)));
         let localVarQueryParameters: any = {};
@@ -465,6 +472,7 @@ export class UserApi {
             throw new Error('Required parameter body was null or undefined when calling updateUser.');
         }
 
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
diff --git a/samples/client/petstore/typescript-node/npm/api/petApi.ts b/samples/client/petstore/typescript-node/npm/api/petApi.ts
index b5c995c5702..d7d08ae5db8 100644
--- a/samples/client/petstore/typescript-node/npm/api/petApi.ts
+++ b/samples/client/petstore/typescript-node/npm/api/petApi.ts
@@ -83,7 +83,7 @@ export class PetApi {
      * @summary Add a new pet to the store
      * @param body Pet object that needs to be added to the store
      */
-    public addPet (body: Pet) : Promise<{ response: http.ClientResponse; body?: any;  }> {
+    public addPet (body: Pet, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body?: any;  }> {
         const localVarPath = this.basePath + '/pet';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -94,6 +94,7 @@ export class PetApi {
             throw new Error('Required parameter body was null or undefined when calling addPet.');
         }
 
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
@@ -138,7 +139,7 @@ export class PetApi {
      * @param petId Pet id to delete
      * @param apiKey 
      */
-    public deletePet (petId: number, apiKey?: string) : Promise<{ response: http.ClientResponse; body?: any;  }> {
+    public deletePet (petId: number, apiKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body?: any;  }> {
         const localVarPath = this.basePath + '/pet/{petId}'
             .replace('{' + 'petId' + '}', encodeURIComponent(String(petId)));
         let localVarQueryParameters: any = {};
@@ -151,6 +152,7 @@ export class PetApi {
         }
 
         localVarHeaderParams['api_key'] = ObjectSerializer.serialize(apiKey, "string");
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
@@ -193,7 +195,7 @@ export class PetApi {
      * @summary Finds Pets by status
      * @param status Status values that need to be considered for filter
      */
-    public findPetsByStatus (status: Array<'available' | 'pending' | 'sold'>) : Promise<{ response: http.ClientResponse; body: Array<Pet>;  }> {
+    public findPetsByStatus (status: Array<'available' | 'pending' | 'sold'>, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body: Array<Pet>;  }> {
         const localVarPath = this.basePath + '/pet/findByStatus';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -208,6 +210,7 @@ export class PetApi {
             localVarQueryParameters['status'] = ObjectSerializer.serialize(status, "Array<'available' | 'pending' | 'sold'>");
         }
 
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
@@ -251,7 +254,7 @@ export class PetApi {
      * @summary Finds Pets by tags
      * @param tags Tags to filter by
      */
-    public findPetsByTags (tags: Array<string>) : Promise<{ response: http.ClientResponse; body: Array<Pet>;  }> {
+    public findPetsByTags (tags: Array<string>, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body: Array<Pet>;  }> {
         const localVarPath = this.basePath + '/pet/findByTags';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -266,6 +269,7 @@ export class PetApi {
             localVarQueryParameters['tags'] = ObjectSerializer.serialize(tags, "Array<string>");
         }
 
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
@@ -309,7 +313,7 @@ export class PetApi {
      * @summary Find pet by ID
      * @param petId ID of pet to return
      */
-    public getPetById (petId: number) : Promise<{ response: http.ClientResponse; body: Pet;  }> {
+    public getPetById (petId: number, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body: Pet;  }> {
         const localVarPath = this.basePath + '/pet/{petId}'
             .replace('{' + 'petId' + '}', encodeURIComponent(String(petId)));
         let localVarQueryParameters: any = {};
@@ -321,6 +325,7 @@ export class PetApi {
             throw new Error('Required parameter petId was null or undefined when calling getPetById.');
         }
 
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
@@ -364,7 +369,7 @@ export class PetApi {
      * @summary Update an existing pet
      * @param body Pet object that needs to be added to the store
      */
-    public updatePet (body: Pet) : Promise<{ response: http.ClientResponse; body?: any;  }> {
+    public updatePet (body: Pet, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body?: any;  }> {
         const localVarPath = this.basePath + '/pet';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -375,6 +380,7 @@ export class PetApi {
             throw new Error('Required parameter body was null or undefined when calling updatePet.');
         }
 
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
@@ -420,7 +426,7 @@ export class PetApi {
      * @param name Updated name of the pet
      * @param status Updated status of the pet
      */
-    public updatePetWithForm (petId: number, name?: string, status?: string) : Promise<{ response: http.ClientResponse; body?: any;  }> {
+    public updatePetWithForm (petId: number, name?: string, status?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body?: any;  }> {
         const localVarPath = this.basePath + '/pet/{petId}'
             .replace('{' + 'petId' + '}', encodeURIComponent(String(petId)));
         let localVarQueryParameters: any = {};
@@ -432,6 +438,7 @@ export class PetApi {
             throw new Error('Required parameter petId was null or undefined when calling updatePetWithForm.');
         }
 
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
@@ -484,7 +491,7 @@ export class PetApi {
      * @param additionalMetadata Additional data to pass to server
      * @param file file to upload
      */
-    public uploadFile (petId: number, additionalMetadata?: string, file?: Buffer) : Promise<{ response: http.ClientResponse; body: ApiResponse;  }> {
+    public uploadFile (petId: number, additionalMetadata?: string, file?: Buffer, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body: ApiResponse;  }> {
         const localVarPath = this.basePath + '/pet/{petId}/uploadImage'
             .replace('{' + 'petId' + '}', encodeURIComponent(String(petId)));
         let localVarQueryParameters: any = {};
@@ -496,6 +503,7 @@ export class PetApi {
             throw new Error('Required parameter petId was null or undefined when calling uploadFile.');
         }
 
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
diff --git a/samples/client/petstore/typescript-node/npm/api/storeApi.ts b/samples/client/petstore/typescript-node/npm/api/storeApi.ts
index e491efe0394..dbbce5ad5e9 100644
--- a/samples/client/petstore/typescript-node/npm/api/storeApi.ts
+++ b/samples/client/petstore/typescript-node/npm/api/storeApi.ts
@@ -77,7 +77,7 @@ export class StoreApi {
      * @summary Delete purchase order by ID
      * @param orderId ID of the order that needs to be deleted
      */
-    public deleteOrder (orderId: string) : Promise<{ response: http.ClientResponse; body?: any;  }> {
+    public deleteOrder (orderId: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body?: any;  }> {
         const localVarPath = this.basePath + '/store/order/{orderId}'
             .replace('{' + 'orderId' + '}', encodeURIComponent(String(orderId)));
         let localVarQueryParameters: any = {};
@@ -89,6 +89,7 @@ export class StoreApi {
             throw new Error('Required parameter orderId was null or undefined when calling deleteOrder.');
         }
 
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
@@ -128,12 +129,13 @@ export class StoreApi {
      * Returns a map of status codes to quantities
      * @summary Returns pet inventories by status
      */
-    public getInventory () : Promise<{ response: http.ClientResponse; body: { [key: string]: number; };  }> {
+    public getInventory (options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body: { [key: string]: number; };  }> {
         const localVarPath = this.basePath + '/store/inventory';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
         let localVarFormParams: any = {};
 
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
@@ -177,7 +179,7 @@ export class StoreApi {
      * @summary Find purchase order by ID
      * @param orderId ID of pet that needs to be fetched
      */
-    public getOrderById (orderId: number) : Promise<{ response: http.ClientResponse; body: Order;  }> {
+    public getOrderById (orderId: number, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body: Order;  }> {
         const localVarPath = this.basePath + '/store/order/{orderId}'
             .replace('{' + 'orderId' + '}', encodeURIComponent(String(orderId)));
         let localVarQueryParameters: any = {};
@@ -189,6 +191,7 @@ export class StoreApi {
             throw new Error('Required parameter orderId was null or undefined when calling getOrderById.');
         }
 
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
@@ -230,7 +233,7 @@ export class StoreApi {
      * @summary Place an order for a pet
      * @param body order placed for purchasing the pet
      */
-    public placeOrder (body: Order) : Promise<{ response: http.ClientResponse; body: Order;  }> {
+    public placeOrder (body: Order, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body: Order;  }> {
         const localVarPath = this.basePath + '/store/order';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -241,6 +244,7 @@ export class StoreApi {
             throw new Error('Required parameter body was null or undefined when calling placeOrder.');
         }
 
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
diff --git a/samples/client/petstore/typescript-node/npm/api/userApi.ts b/samples/client/petstore/typescript-node/npm/api/userApi.ts
index a7bae51a45d..6438051f2e2 100644
--- a/samples/client/petstore/typescript-node/npm/api/userApi.ts
+++ b/samples/client/petstore/typescript-node/npm/api/userApi.ts
@@ -75,7 +75,7 @@ export class UserApi {
      * @summary Create user
      * @param body Created user object
      */
-    public createUser (body: User) : Promise<{ response: http.ClientResponse; body?: any;  }> {
+    public createUser (body: User, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body?: any;  }> {
         const localVarPath = this.basePath + '/user';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -86,6 +86,7 @@ export class UserApi {
             throw new Error('Required parameter body was null or undefined when calling createUser.');
         }
 
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
@@ -127,7 +128,7 @@ export class UserApi {
      * @summary Creates list of users with given input array
      * @param body List of user object
      */
-    public createUsersWithArrayInput (body: Array<User>) : Promise<{ response: http.ClientResponse; body?: any;  }> {
+    public createUsersWithArrayInput (body: Array<User>, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body?: any;  }> {
         const localVarPath = this.basePath + '/user/createWithArray';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -138,6 +139,7 @@ export class UserApi {
             throw new Error('Required parameter body was null or undefined when calling createUsersWithArrayInput.');
         }
 
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
@@ -179,7 +181,7 @@ export class UserApi {
      * @summary Creates list of users with given input array
      * @param body List of user object
      */
-    public createUsersWithListInput (body: Array<User>) : Promise<{ response: http.ClientResponse; body?: any;  }> {
+    public createUsersWithListInput (body: Array<User>, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body?: any;  }> {
         const localVarPath = this.basePath + '/user/createWithList';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -190,6 +192,7 @@ export class UserApi {
             throw new Error('Required parameter body was null or undefined when calling createUsersWithListInput.');
         }
 
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
@@ -231,7 +234,7 @@ export class UserApi {
      * @summary Delete user
      * @param username The name that needs to be deleted
      */
-    public deleteUser (username: string) : Promise<{ response: http.ClientResponse; body?: any;  }> {
+    public deleteUser (username: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body?: any;  }> {
         const localVarPath = this.basePath + '/user/{username}'
             .replace('{' + 'username' + '}', encodeURIComponent(String(username)));
         let localVarQueryParameters: any = {};
@@ -243,6 +246,7 @@ export class UserApi {
             throw new Error('Required parameter username was null or undefined when calling deleteUser.');
         }
 
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
@@ -283,7 +287,7 @@ export class UserApi {
      * @summary Get user by user name
      * @param username The name that needs to be fetched. Use user1 for testing.
      */
-    public getUserByName (username: string) : Promise<{ response: http.ClientResponse; body: User;  }> {
+    public getUserByName (username: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body: User;  }> {
         const localVarPath = this.basePath + '/user/{username}'
             .replace('{' + 'username' + '}', encodeURIComponent(String(username)));
         let localVarQueryParameters: any = {};
@@ -295,6 +299,7 @@ export class UserApi {
             throw new Error('Required parameter username was null or undefined when calling getUserByName.');
         }
 
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
@@ -337,7 +342,7 @@ export class UserApi {
      * @param username The user name for login
      * @param password The password for login in clear text
      */
-    public loginUser (username: string, password: string) : Promise<{ response: http.ClientResponse; body: string;  }> {
+    public loginUser (username: string, password: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body: string;  }> {
         const localVarPath = this.basePath + '/user/login';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -361,6 +366,7 @@ export class UserApi {
             localVarQueryParameters['password'] = ObjectSerializer.serialize(password, "string");
         }
 
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
@@ -401,12 +407,13 @@ export class UserApi {
      * 
      * @summary Logs out current logged in user session
      */
-    public logoutUser () : Promise<{ response: http.ClientResponse; body?: any;  }> {
+    public logoutUser (options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body?: any;  }> {
         const localVarPath = this.basePath + '/user/logout';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
         let localVarFormParams: any = {};
 
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;
 
@@ -448,7 +455,7 @@ export class UserApi {
      * @param username name that need to be deleted
      * @param body Updated user object
      */
-    public updateUser (username: string, body: User) : Promise<{ response: http.ClientResponse; body?: any;  }> {
+    public updateUser (username: string, body: User, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: http.ClientResponse; body?: any;  }> {
         const localVarPath = this.basePath + '/user/{username}'
             .replace('{' + 'username' + '}', encodeURIComponent(String(username)));
         let localVarQueryParameters: any = {};
@@ -465,6 +472,7 @@ export class UserApi {
             throw new Error('Required parameter body was null or undefined when calling updateUser.');
         }
 
+        (<any>Object).assign(localVarHeaderParams, options.headers);
 
         let localVarUseFormData = false;