Fix error handling in example (#1835)

Author: lukasIO

.changeset/ninety-plants-reply.md

@@ -1,5 +1,5 @@
 ---
-"livekit-client": patch
+'livekit-client': patch
 ---
 
 Use controller.error to signal unexpected errors mid data stream

examples/demo/demo.ts

@@ -284,6 +284,7 @@ const appActions = {
           );
         }
       } catch (err) {
+        console.error('text stream error', err);
         message += 'ERROR';
         handleChatMessage(
           {
@@ -293,7 +294,6 @@ const appActions = {
           },
           room.getParticipantByIdentity(participant?.identity),
         );
-        throw err;
       }
 
       if (!info.size) {

src/room/data-stream/incoming/StreamReader.ts

@@ -71,6 +71,9 @@ export class ByteStreamReader extends BaseStreamReader<ByteStreamInfo> {
 
   [Symbol.asyncIterator]() {
     const reader = this.reader.getReader();
+    // Suppress unhandled rejection on reader.closed — errors are
+    // already propagated through reader.read() to the consumer.
+    reader.closed.catch(() => {});
 
     const cleanup = () => {
       reader.releaseLock();
@@ -195,6 +198,9 @@ export class TextStreamReader extends BaseStreamReader<TextStreamInfo> {
    */
   [Symbol.asyncIterator]() {
     const reader = this.reader.getReader();
+    // Suppress unhandled rejection on reader.closed — errors are
+    // already propagated through reader.read() to the consumer.
+    reader.closed.catch(() => {});
     const decoder = new TextDecoder('utf-8', { fatal: true });
     const signal = this.signal;