Fix callback queue to maintain invariant with TryQueue

grid-x · Jun 15, 2021 · eacd1fa · eacd1fa
1 parent 43c1f46
commit eacd1fa
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/internal/callbackqueue/callbackqueue.go b/internal/callbackqueue/callbackqueue.go
@@ -27,6 +27,9 @@ func (cq *CallbackQueue) TryQueue(id string, try func() error, callback func(con
 		// pop off last element
 		callbacks := cq.callbacks[id]
 		cq.callbacks[id] = callbacks[:len(callbacks)-1]
+		if len(cq.callbacks[id]) == 0 {
+			delete(cq.callbacks, id)
+		}
 
 		return err
 	}