Bug 1881204 - Avoid MaxListenersExceededWarning in node-http2/flow.js…

… r=necko-reviewers,jesup Differential Revision: https://phabricator.services.mozilla.com/D202294
dothq · Mar 8, 2024 · 5bdca35 · 5bdca35
1 parent 73b55ec
commit 5bdca35
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/testing/xpcshell/node-http2/lib/protocol/flow.js b/testing/xpcshell/node-http2/lib/protocol/flow.js
@@ -172,7 +172,9 @@ Flow.prototype._read = function _read() {
 
   // * otherwise, come back when the flow control window is positive
   else {
-    this.once('window_update', this._read);
+    if (!this.listenerCount('window_update')) {
+      this.once('window_update', this._read);
+    }
   }
 };