refactor: use tsRestFetchApi in ts-rest-adapter (@fehmer) (#6259)

frontend/src/ts/ape/adapters/ts-rest-adapter.ts

@@ -1,4 +1,9 @@
-import { AppRouter, initClient, type ApiFetcherArgs } from "@ts-rest/core";
+import {
+  AppRouter,
+  initClient,
+  tsRestFetchApi,
+  type ApiFetcherArgs,
+} from "@ts-rest/core";
 import { getIdToken } from "firebase/auth";
 import { envConfig } from "../../constants/env-config";
 import { getAuthenticatedUser, isAuthenticated } from "../../firebase";
@@ -16,44 +21,29 @@ function buildApi(timeout: number): (args: ApiFetcherArgs) => Promise<{
 }> {
   return async (request: ApiFetcherArgs) => {
     try {
-      const headers: HeadersInit = {
-        ...request.headers,
-        "X-Client-Version": envConfig.clientVersion,
-      };
-
       if (isAuthenticated()) {
         const token = await getIdToken(getAuthenticatedUser());
-        headers["Authorization"] = `Bearer ${token}`;
+        request.headers["Authorization"] = `Bearer ${token}`;
       }
 
-      const fetchOptions: RequestInit = {
-        method: request.method,
-        headers,
-        body: request.body,
-      };
-
       const usePolyfill = AbortSignal?.timeout === undefined;
 
-      const response = await fetch(request.path, {
-        ...fetchOptions,
+      request.fetchOptions = {
+        ...(request.fetchOptions || {}),
         signal: usePolyfill
           ? timeoutSignal(timeout)
           : AbortSignal.timeout(timeout),
-      });
+      };
+      const response = await tsRestFetchApi(request);
 
-      const body = (await response.json()) as object;
       if (response.status >= 400) {
         console.error(`${request.method} ${request.path} failed`, {
           status: response.status,
-          ...body,
+          ...(response.body as object),
         });
       }
 
-      return {
-        status: response.status,
-        body,
-        headers: response.headers ?? new Headers(),
-      };
+      return response;
     } catch (e: Error | unknown) {
       let message = "Unknown error";
 
@@ -86,6 +76,7 @@ export function buildClient<T extends AppRouter>(
     api: buildApi(timeout),
     baseHeaders: {
       Accept: "application/json",
+      "X-Client-Version": envConfig.clientVersion,
     },
   });
 }