index: try/catch the Object.getOwnPropertyNames() call

There is a possibility that this function may throw when given a native host object
Automattic · Feb 18, 2014 · a7602ec · a7602ec
1 parent 29aaab6
commit a7602ec
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/index.js b/index.js
@@ -219,8 +219,12 @@ function formatValue(ctx, value, recurseTimes) {
   var keys = objectKeys(value);
   var visibleKeys = arrayToHash(keys);
 
-  if (ctx.showHidden && Object.getOwnPropertyNames) {
-    keys = Object.getOwnPropertyNames(value);
+  try {
+    if (ctx.showHidden && Object.getOwnPropertyNames) {
+      keys = Object.getOwnPropertyNames(value);
+    }
+  } catch (e) {
+    // ignore
   }
 
   // IE doesn't make error fields non-enumerable