Editorial: fix byte stream examples to respond(0) after close()

Fix byte stream examples to respond(0) after close()
Don't respond(0) if we didn't close() yet

Author: MattiasBuelens

index.bs

@@ -7234,15 +7234,21 @@ function makeUDPSocketStream(host, port) {
           if (controller.byobRequest) {
             const v = controller.byobRequest.view;
             bytesRead = socket.readInto(v.buffer, v.byteOffset, v.byteLength);
+            if (bytesRead === 0) {
+              controller.close();
+            }
             controller.byobRequest.respond(bytesRead);
           } else {
             const buffer = new ArrayBuffer(DEFAULT_CHUNK_SIZE);
             bytesRead = socket.readInto(buffer, 0, DEFAULT_CHUNK_SIZE);
-            controller.enqueue(new Uint8Array(buffer, 0, bytesRead));
+            if (bytesRead === 0) {
+              controller.close();
+            } else {
+              controller.enqueue(new Uint8Array(buffer, 0, bytesRead));
+            }
           }
 
           if (bytesRead === 0) {
-            controller.close();
             return;
           }
 
@@ -7336,6 +7342,7 @@ function makeReadableByteFileStream(filename) {
       if (bytesRead === 0) {
         await fileHandle.close();
         controller.close();
+        controller.byobRequest.respond(0);
       } else {
         position += bytesRead;
         controller.byobRequest.respond(bytesRead);