From 464ecffda7bff5680f0815703cd958f604d163e6 Mon Sep 17 00:00:00 2001
From: karwosts <32912880+karwosts@users.noreply.github.com>
Date: Tue, 24 Oct 2023 16:18:21 -0700
Subject: [PATCH] Fix a crash in trace graph generation for if/else (#18390)

---
 src/components/trace/hat-script-graph.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/components/trace/hat-script-graph.ts b/src/components/trace/hat-script-graph.ts
index 4698396819..40afe60a62 100644
--- a/src/components/trace/hat-script-graph.ts
+++ b/src/components/trace/hat-script-graph.ts
@@ -298,7 +298,7 @@ export class HatScriptGraph extends LitElement {
             .notEnabled=${disabled || config.enabled === false}
             nofocus
           ></hat-graph-node>
-          ${ensureArray(config.then).map((action, j) =>
+          ${ensureArray(config.then ?? []).map((action, j) =>
             this.render_action_node(
               action,
               `${path}/then/${j}`,