[Robustness] use a null object in modifiers

ljharb · Sep 12, 2024 · 8edc266 · 8edc266
1 parent 14f3ef3
commit 8edc266
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/index.js b/index.js
@@ -120,7 +120,7 @@ function walk(root, cb) {
 
 	return (function walker(node_) {
 		var node = immutable ? copy(node_, options) : node_;
-		var modifiers = {};
+		var modifiers = { __proto__: null };
 
 		var keepGoing = true;