Fix GcObject to_json mutable borrow panic (#1284)

boa-dev · May 26, 2021 · 81ef87b · 81ef87b
1 parent 23e5936
commit 81ef87b
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/boa/src/object/gcobject.rs b/boa/src/object/gcobject.rs
@@ -412,7 +412,8 @@ impl GcObject {
         } else {
             let mut new_obj = Map::new();
             let this = Value::from(self.clone());
-            for k in self.borrow().keys() {
+            let keys: Vec<PropertyKey> = self.borrow().keys().collect();
+            for k in keys {
                 let key = k.clone();
                 let value = this.get_field(k.to_string(), context)?;
                 if let Some(value) = value.to_json(context)? {