Add attachedStreamIds as text stream metadata (#1805)

Author: 1egoman

.changeset/spotty-tigers-sort.md

@@ -0,0 +1,5 @@
+---
+'livekit-client': patch
+---
+
+Add attachedStreamIds as text stream metadata

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

@@ -191,6 +191,7 @@ export default class IncomingDataStreamManager {
         timestamp: Number(streamHeader.timestamp),
         attributes: streamHeader.attributes,
         encryptionType,
+        attachedStreamIds: streamHeader.contentHeader.value.attachedStreamIds,
       };
 
       const stream = new ReadableStream<DataStream_Chunk>({

src/room/data-stream/outgoing/OutgoingDataStreamManager.ts

@@ -107,6 +107,7 @@ export default class OutgoingDataStreamManager {
       encryptionType: this.engine.e2eeManager?.isDataChannelEncryptionEnabled
         ? Encryption_Type.GCM
         : Encryption_Type.NONE,
+      attachedStreamIds: options?.attachedStreamIds,
     };
     const header = new DataStream_Header({
       streamId,
@@ -119,7 +120,7 @@ export default class OutgoingDataStreamManager {
         case: 'textHeader',
         value: new DataStream_TextHeader({
           version: options?.version,
-          attachedStreamIds: options?.attachedStreamIds,
+          attachedStreamIds: info.attachedStreamIds,
           replyToStreamId: options?.replyToStreamId,
           operationType:
             options?.type === 'update'

src/room/types.ts

@@ -142,4 +142,6 @@ export interface ByteStreamInfo extends BaseStreamInfo {
   name: string;
 }
 
-export interface TextStreamInfo extends BaseStreamInfo {}
+export interface TextStreamInfo extends BaseStreamInfo {
+  attachedStreamIds?: Array<string>;
+}