fix: pass original fetch response to consumer

Author: mnorlin

src/openapi-typescript/fetch-factory.ts

@@ -50,14 +50,8 @@ function fetchFactory<Paths>(options?: InitParameters) {
 
     const fetchInit = buildInit(defaultInit, options, headers);
     const response = await fetchMethod(url, fetchInit);
-    return new Response(
-      [101, 204, 205, 304].includes(response.status) ? null : response.body,
-      {
-        status: response.status,
-        headers: response.headers,
-        statusText: response.statusText,
-      }
-    ) as Omit<Response, "json"> & ResponseByStatus<Paths[Path][Method]>;
+    return response as Omit<Response, "json"> &
+      ResponseByStatus<Paths[Path][Method]>;
   }
 
   return fetcher;

test/openapi-typescript/fetch-factory.test.ts

@@ -1,17 +1,18 @@
 import createFetch from "../../src/openapi-typescript";
 import { paths, components } from "./test-data/petstore-openapi3";
 import { IsEqual } from "../test-tools";
-import { Readable } from "stream";
-
-const mockedJson = jest.fn(() => ({} as any));
-const mockedFetch = jest.fn(
-  () =>
-    ({
-      ok: true,
-      body: Readable.from([`{"hello": "world"}`]),
-    } as any)
-);
-global.fetch = jest.fn(() => ({ ok: true, json: mockedJson } as any));
+
+const mockedFetch = jest.fn<any, any>(() => ({
+  status: 200,
+  ok: true,
+  json: () => ({ hello: "world" }),
+})) as any;
+
+global.fetch = jest.fn<any, any>(() => ({
+  status: 200,
+  ok: true,
+  json: () => ({ hello: "world" }),
+}));
 
 const defaultFetch = createFetch<paths>();