chore: address feedbacks

packages/eventstream-serde-browser/src/utils.ts

@@ -25,13 +25,12 @@ export function iterableToReadableStream<T>(
 ): ReadableStream<T> {
   const iterator = asyncIterable[Symbol.asyncIterator]();
   return new ReadableStream({
-    pull(constroller) {
-      return iterator.next().then(({ done, value }) => {
-        if (done) {
-          return constroller.close();
-        }
-        constroller.enqueue(value);
-      });
+    async pull(controller) {
+      const { done, value } = await iterator.next();
+      if (done) {
+        return controller.close();
+      }
+      controller.enqueue(value);
     }
   });
 }

packages/middleware-sdk-transcribe-streaming/src/websocket-handler.ts

@@ -1,12 +1,6 @@
 import { HttpHandlerOptions, RequestHandlerMetadata } from "@aws-sdk/types";
 import { HttpHandler, HttpRequest, HttpResponse } from "@aws-sdk/protocol-http";
 import { formatUrl } from "@aws-sdk/util-format-url";
-/**
- * Base handler for websocket requests. By default, the request input and output
- * body will be in a ReadableStream, because of interface consistency among middleware.
- * If ReadableStream is not available, like in React-Native, the response body
- * will be an async iterable.
- */
 
 export interface WebSocketHandlerOptions {
   /**
@@ -16,6 +10,12 @@ export interface WebSocketHandlerOptions {
   connectionTimeout?: number;
 }
 
+/**
+ * Base handler for websocket requests. By default, the request input and output
+ * body will be in a ReadableStream, because of interface consistency among middleware.
+ * If ReadableStream is not available, like in React-Native, the response body
+ * will be an async iterable.
+ */
 export class WebSocketHandler implements HttpHandler {
   public readonly metadata: RequestHandlerMetadata = {
     handlerProtocol: "websocket"