From 450e34d42ce1df2068db20efb767905ac85cea14 Mon Sep 17 00:00:00 2001
From: clfreville2 <clement.freville2@etu.uca.fr>
Date: Tue, 5 Mar 2024 21:30:58 +0100
Subject: [PATCH] Silent invalid states when building a graph

---
 src/fsm.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/fsm.js b/src/fsm.js
index e0ac974..a81cdfa 100644
--- a/src/fsm.js
+++ b/src/fsm.js
@@ -47,7 +47,7 @@ export function openAutomaton(states, editable = false) {
    */
   function updateUIState() {
     wordInput.value = builder;
-    if (typeof Array.from(state).find((state) => states[state].accepting) === 'undefined') {
+    if (typeof Array.from(state).find((state) => states[state]?.accepting) === 'undefined') {
       light.classList.remove(IS_VALID);
       light.classList.add(IS_INVALID);
     } else {