Add redirected and url to response to mimic the node-fetch response.

lib/fetchHttpClient.ts

@@ -161,6 +161,8 @@ export abstract class FetchHttpClient implements HttpClient {
           ? ((response.body as unknown) as NodeJS.ReadableStream)
           : undefined,
         bodyAsText: !httpRequest.streamResponseBody ? await response.text() : undefined,
+        redirected: response.redirected,
+        url: response.url,
       };
 
       const onDownloadProgress = httpRequest.onDownloadProgress;

lib/httpOperationResponse.ts

@@ -67,6 +67,16 @@ export interface HttpOperationResponse extends HttpResponse {
    * Always undefined in the browser.
    */
   readableStreamBody?: NodeJS.ReadableStream;
+
+  /**
+   * The redirected property indicates whether the response is the result of a request which was redirected.
+   */
+  redirected?: boolean;
+
+  /**
+   * The url property contains the URL of the response. The value will be the final URL obtained after any redirects.
+   */
+  url?: string;
 }
 
 /**

lib/policies/redirectPolicy.ts

@@ -60,8 +60,19 @@ function handleRedirect(
 
     return policy._nextPolicy
       .sendRequest(request)
-      .then((res) => handleRedirect(policy, res, currentRetries + 1));
+      .then((res) => handleRedirect(policy, res, currentRetries + 1))
+      .then((res) => recordRedirect(res, request.url));
   }
 
   return Promise.resolve(response);
 }
+
+function recordRedirect(response: HttpOperationResponse, redirect: string): HttpOperationResponse {
+  // only record the deepest/last redirect
+  if (!response.redirected) {
+    response.redirected = true;
+    response.url = redirect;
+  }
+  return response;
+}
+