From 732da70c6e46c381d7cb875983d8b0de6780c47d Mon Sep 17 00:00:00 2001
From: Alistair <ajo41@cam.ac.uk>
Date: Fri, 24 Nov 2023 11:22:04 +0000
Subject: [PATCH] Add `Object::set_native_object_data`

---
 boa_engine/src/object/mod.rs | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/boa_engine/src/object/mod.rs b/boa_engine/src/object/mod.rs
index c0e246027d3..c02afa77667 100644
--- a/boa_engine/src/object/mod.rs
+++ b/boa_engine/src/object/mod.rs
@@ -78,6 +78,7 @@ use boa_gc::{custom_trace, Finalize, Trace, WeakGc};
 use std::{
     any::{Any, TypeId},
     fmt::{self, Debug},
+    mem,
     ops::{Deref, DerefMut},
 };
 
@@ -1990,6 +1991,19 @@ impl Object {
         }
     }
 
+    /// Sets the native object data returning the previous data, if the
+    /// object is a 'NativeObject'.
+    #[inline]
+    pub fn set_native_object_data<T: NativeObject>(
+        &mut self,
+        data: T,
+    ) -> Option<Box<dyn NativeObject>> {
+        match self.kind {
+            ObjectKind::NativeObject(ref mut object) => Some(mem::replace(object, Box::new(data))),
+            _ => None,
+        }
+    }
+
     /// Checks if it is a `Promise` object.
     #[inline]
     #[must_use]