Silent invalid states when building a graph

4 months ago · 450e34d42c
parent b0dd188d52
commit 450e34d42c
1 changed files with 1 additions and 1 deletions
--- 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 {