check error stack availability before cloning

zloirock · Sep 15, 2021 · f02e40c · f02e40c
1 parent 73b5186
commit f02e40c
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/packages/core-js/internals/structured-clone.js b/packages/core-js/internals/structured-clone.js
@@ -85,7 +85,10 @@ module.exports = function structuredCloneInternal(weakmap, value) {
       break;
     case 'Error':
       // Attempt to clone the stack.
-      if (!Object.prototype.hasOwnProperty.call(Error.prototype, 'stack')) break;
+      if (
+        !Object.prototype.hasOwnProperty.call(value, 'stack') && // Chrome, Safari
+        !Object.prototype.hasOwnProperty.call(Error.prototype, 'stack') // Firefox
+      ) break;
       try {
         cloned.stack = structuredCloneInternal(weakmap, value.stack);
       } catch (error) {