handle missing scopes in strict mode when checking iteration #1286

zloirock · Sep 1, 2023 · 2f6a3af · 2f6a3af
1 parent 6912840
commit 2f6a3af
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/packages/core-js/internals/check-correctness-of-iteration.js b/packages/core-js/internals/check-correctness-of-iteration.js
@@ -22,7 +22,9 @@ try {
 } catch (error) { /* empty */ }
 
 module.exports = function (exec, SKIP_CLOSING) {
-  if (!SKIP_CLOSING && !SAFE_CLOSING) return false;
+  try {
+    if (!SKIP_CLOSING && !SAFE_CLOSING) return false;
+  } catch (error) { return false; } // it is not safe when the `SAFE_CLOSING` is not in the current scope
   var ITERATION_SUPPORT = false;
   try {
     var object = {};