Fix orphaned data warning (#16413)

MetaMask · Nov 8, 2022 · aba3b94 · aba3b94
1 parent 1a9ebab
commit aba3b94
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/app/scripts/lib/stream-utils.js b/app/scripts/lib/stream-utils.js
@@ -9,6 +9,14 @@ import pump from 'pump';
  */
 export function setupMultiplex(connectionStream) {
   const mux = new ObjectMultiplex();
+  /**
+   * We are using this streams to send keep alive message between backend/ui without setting up a multiplexer
+   * We need to tell the multiplexer to ignore them, else we get the " orphaned data for stream " warnings
+   * https://github.com/MetaMask/object-multiplex/blob/280385401de84f57ef57054d92cfeb8361ef2680/src/ObjectMultiplex.ts#L63
+   */
+  mux.ignoreStream('CONNECTION_READY');
+  mux.ignoreStream('ACK_KEEP_ALIVE_MESSAGE');
+  mux.ignoreStream('WORKER_KEEP_ALIVE_MESSAGE');
   pump(connectionStream, mux, connectionStream, (err) => {
     if (err) {
       console.error(err);