Update according review

.github/workflows/test.yml

@@ -17,7 +17,7 @@ jobs:
     - uses: actions/checkout@v2
       with:
         submodules: true
-    - uses: actions/setup-node@v1
+    - uses: actions/setup-node@v3
       with:
         node-version: 18
     - run: npm install

index.bs

@@ -654,9 +654,8 @@ enum ReadableStreamType { "bytes", "owning" };
   <p>Can be set to "<dfn enum-value for="ReadableStreamType">owning</dfn>" to signal that the
   constructed {{ReadableStream}} will own chunks (via transfer or serialization) before enqueuing them.
   This ensures that enqueued chunks are not mutable by the source.
-  Transferred or serialized chunks may have <dfn>dispose steps</dfn> which are executed if
-  enqueued chunks are dequeued without being provided to the application, for instance when
-  a {{ReadableStream}} is errored.
+  Chunks may have <dfn export>dispose steps</dfn> which are executed if enqueued chunks are dequeued
+  without being provided to the application, for instance when a {{ReadableStream}} is errored.
   </p>
 
   <p>Setting any value other than "{{ReadableStreamType/bytes}}", "{{ReadableStreamType/owning}}"
@@ -6779,6 +6778,7 @@ mark=] is greater than zero.
 
  1. If |stream|.[=ReadableStream/[[controller]]=] [=implements=]
     {{ReadableStreamDefaultController}},
+  1. If |transferList| is null, set |transferList| to an [=list/is empty|empty=] list.
   1. Perform ! [$ReadableStreamDefaultControllerEnqueue$](|stream|.[=ReadableStream/[[controller]]=],
      |chunk|, |transferList|).
  1. Otherwise,

reference-implementation/lib/ReadableStreamDefaultController-impl.js

@@ -18,7 +18,7 @@ exports.implementation = class ReadableStreamDefaultControllerImpl {
   }
 
   enqueue(chunk, options) {
-    const transferList = options ? options.transfer : [];
+    const transferList = options.transfer;
     if (transferList.length && !this._isOwning) {
       throw new TypeError('The stream is not an owning stream and cannot make use of options');
     }