[typescript] add abort signal to requestcontext (#21323)

* add abort signal to requestcontext

* regenerate

* rebuild and regenerate

* abort signal import

* refresh samples

* clean csharp samples

* csharp sample cleanup

* add missing cs samples from master

* abort testing

Author: davidgamero

modules/openapi-generator/src/main/resources/typescript/http/http.mustache

@@ -5,6 +5,7 @@ import {{^supportsES6}}* as{{/supportsES6}} FormData from "form-data";
 import { URL, URLSearchParams } from 'url';
 import * as http from 'http';
 import * as https from 'https';
+import { AbortSignal } from "node-fetch/externals";
 {{/node}}
 {{/platforms}}
 import { Observable, from } from {{#useRxJS}}'rxjs'{{/useRxJS}}{{^useRxJS}}'../rxjsStub{{importFileExtension}}'{{/useRxJS}};
@@ -86,6 +87,7 @@ export class RequestContext {
     private headers: Headers = {};
     private body: RequestBody = undefined;
     private url: URL;
+    private signal: AbortSignal | undefined = undefined;
     {{#platforms}}
     {{#node}}
     private agent: http.Agent | https.Agent | undefined = undefined;
@@ -167,6 +169,15 @@ export class RequestContext {
     public setHeaderParam(key: string, value: string): void  {
         this.headers[key] = value;
     }
+
+    public setSignal(signal: AbortSignal): void {
+        this.signal = signal;
+    }
+
+    public getSignal(): AbortSignal | undefined {
+        return this.signal;
+    }
+
     {{#platforms}}
     {{#node}}
 

modules/openapi-generator/src/main/resources/typescript/http/isomorphic-fetch.mustache

@@ -19,6 +19,7 @@ export class IsomorphicFetchHttpLibrary implements HttpLibrary {
             method: method,
             body: body as any,
             headers: request.getHeaders(),
+            signal: request.getSignal(),
             {{#platforms}}
             {{#node}}
             agent: request.getAgent(),