Use createHeaders in place of nodeHeadersToWebHeaders (#9177)

Author: jamesopstad

packages/vite-plugin-cloudflare/src/utils.ts

@@ -41,24 +41,6 @@ export function toMiniflareRequest(request: Request): MiniflareRequest {
 	});
 }
 
-export function nodeHeadersToWebHeaders(
-	nodeHeaders: IncomingHttpHeaders
-): Headers {
-	const headers = new Headers();
-
-	for (const [key, value] of Object.entries(nodeHeaders)) {
-		if (typeof value === "string") {
-			headers.append(key, value);
-		} else if (Array.isArray(value)) {
-			for (const item of value) {
-				headers.append(key, item);
-			}
-		}
-	}
-
-	return headers;
-}
-
 const postfixRE = /[?#].*$/;
 export function cleanUrl(url: string): string {
 	return url.replace(postfixRE, "");

packages/vite-plugin-cloudflare/src/websockets.ts

@@ -1,7 +1,7 @@
+import { createHeaders } from "@mjackson/node-fetch-server";
 import { coupleWebSocket } from "miniflare";
 import { WebSocketServer } from "ws";
 import { UNKNOWN_HOST } from "./shared";
-import { nodeHeadersToWebHeaders } from "./utils";
 import type { MaybePromise } from "./utils";
 import type { Fetcher } from "@cloudflare/workers-types/experimental";
 import type { ReplaceWorkersTypes } from "miniflare";
@@ -28,7 +28,7 @@ export function handleWebSocket(
 				return;
 			}
 
-			const headers = nodeHeadersToWebHeaders(request.headers);
+			const headers = createHeaders(request);
 			const fetcher = await getFetcher();
 			const response = await fetcher(url, {
 				headers,