From fc555efbc040c8dc1a30721c6eb9b59ad9bb75ea Mon Sep 17 00:00:00 2001
From: clfreville2 <clement.freville2@etu.uca.fr>
Date: Mon, 25 Mar 2024 21:12:10 +0100
Subject: [PATCH] Don't try to use an undefined transition list

---
 src/fsm.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/fsm.js b/src/fsm.js
index 8aae5cd..1fe54bf 100644
--- a/src/fsm.js
+++ b/src/fsm.js
@@ -95,7 +95,9 @@ export function openAutomaton(name, states, editable = false) {
     for (const s of state) {
       if (s in states) {
         const transitions = states[s].transitions[letter];
-        newStates.push(...transitions);
+        if (transitions) {
+          newStates.push(...transitions);
+        }
       }
     }
     state = newStates;