feat: remove references to fetch polyfills

.changeset/remove-fetch-polyfill-references-in-adapters.md

@@ -0,0 +1,6 @@
+---
+"@remix-run/architect": patch
+"@remix-run/express": patch
+---
+
+remove references to fetch polyfills in node and arc adapters

packages/remix-architect/server.ts

@@ -1,11 +1,5 @@
-import type {
-  AppLoadContext,
-  ServerBuild,
-  Response as NodeResponse,
-} from "@remix-run/node";
+import type { AppLoadContext, ServerBuild } from "@remix-run/node";
 import {
-  Headers as NodeHeaders,
-  Request as NodeRequest,
   createRequestHandler as createRemixRequestHandler,
   readableStreamToString,
 } from "@remix-run/node";
@@ -50,13 +44,13 @@ export function createRequestHandler({
     let request = createRemixRequest(event);
     let loadContext = await getLoadContext?.(event);
 
-    let response = (await handleRequest(request, loadContext)) as NodeResponse;
+    let response = await handleRequest(request, loadContext);
 
     return sendRemixResponse(response);
   };
 }
 
-export function createRemixRequest(event: APIGatewayProxyEventV2): NodeRequest {
+export function createRemixRequest(event: APIGatewayProxyEventV2): Request {
   let host = event.headers["x-forwarded-host"] || event.headers.host;
   let search = event.rawQueryString.length ? `?${event.rawQueryString}` : "";
   let scheme = process.env.ARC_SANDBOX ? "http" : "https";
@@ -68,7 +62,7 @@ export function createRemixRequest(event: APIGatewayProxyEventV2): NodeRequest {
   // requests to contain a signal, so it can detect aborted requests
   let controller = new AbortController();
 
-  return new NodeRequest(url.href, {
+  return new Request(url.href, {
     method: event.requestContext.http.method,
     headers: createRemixHeaders(event.headers, event.cookies),
     signal: controller.signal,
@@ -84,8 +78,8 @@ export function createRemixRequest(event: APIGatewayProxyEventV2): NodeRequest {
 export function createRemixHeaders(
   requestHeaders: APIGatewayProxyEventHeaders,
   requestCookies?: string[]
-): NodeHeaders {
-  let headers = new NodeHeaders();
+): Headers {
+  let headers = new Headers();
 
   for (let [header, value] of Object.entries(requestHeaders)) {
     if (value) {
@@ -101,7 +95,7 @@ export function createRemixHeaders(
 }
 
 export async function sendRemixResponse(
-  nodeResponse: NodeResponse
+  nodeResponse: Response
 ): Promise<APIGatewayProxyStructuredResultV2> {
   let cookies: string[] = [];
 

packages/remix-express/server.ts

@@ -1,14 +1,8 @@
 import type * as express from "express";
-import type {
-  AppLoadContext,
-  ServerBuild,
-  RequestInit as NodeRequestInit,
-  Response as NodeResponse,
-} from "@remix-run/node";
+import type { AppLoadContext, ServerBuild } from "@remix-run/node";
 import {
   createRequestHandler as createRemixRequestHandler,
-  Headers as NodeHeaders,
-  Request as NodeRequest,
+  createReadableStreamFromReadable,
   writeReadableStreamToWritable,
 } from "@remix-run/node";
 
@@ -54,10 +48,7 @@ export function createRequestHandler({
       let request = createRemixRequest(req, res);
       let loadContext = await getLoadContext?.(req, res);
 
-      let response = (await handleRequest(
-        request,
-        loadContext
-      )) as NodeResponse;
+      let response = await handleRequest(request, loadContext);
 
       await sendRemixResponse(res, response);
     } catch (error: unknown) {
@@ -70,8 +61,8 @@ export function createRequestHandler({
 
 export function createRemixHeaders(
   requestHeaders: express.Request["headers"]
-): NodeHeaders {
-  let headers = new NodeHeaders();
+): Headers {
+  let headers = new Headers();
 
   for (let [key, values] of Object.entries(requestHeaders)) {
     if (values) {
@@ -91,29 +82,30 @@ export function createRemixHeaders(
 export function createRemixRequest(
   req: express.Request,
   res: express.Response
-): NodeRequest {
+): Request {
   let url = new URL(`${req.protocol}://${req.get("host")}${req.url}`);
 
   // Abort action/loaders once we can no longer write a response
   let controller = new AbortController();
   res.on("close", () => controller.abort());
 
-  let init: NodeRequestInit = {
+  let init: RequestInit = {
     method: req.method,
     headers: createRemixHeaders(req.headers),
     signal: controller.signal,
   };
 
   if (req.method !== "GET" && req.method !== "HEAD") {
-    init.body = req;
+    init.body = createReadableStreamFromReadable(req);
+    (init as { duplex: "half" }).duplex = "half";
   }
 
-  return new NodeRequest(url.href, init);
+  return new Request(url.href, init);
 }
 
 export async function sendRemixResponse(
   res: express.Response,
-  nodeResponse: NodeResponse
+  nodeResponse: Response
 ): Promise<void> {
   res.statusMessage = nodeResponse.statusText;
   res.status(nodeResponse.status);