From 5738d89df8ce71b11bd557ddffce800f98185fb3 Mon Sep 17 00:00:00 2001
From: Antoliny0919 <antoliny0919@gmail.com>
Date: Sun, 26 Jul 2026 17:59:58 +0900
Subject: [PATCH 1/2] refactor(compat/lastIndexOf): use internal toArray helper
 for array like conversion

---
 src/compat/array/lastIndexOf.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/compat/array/lastIndexOf.ts b/src/compat/array/lastIndexOf.ts
index 68f3c8929..f2fecc577 100644
--- a/src/compat/array/lastIndexOf.ts
+++ b/src/compat/array/lastIndexOf.ts
@@ -1,3 +1,4 @@
+import { toArray } from '../_internal/toArray.ts';
 import { isArrayLike } from '../predicate/isArrayLike.ts';
 import { toInteger } from '../util/toInteger.ts';
 
@@ -51,5 +52,5 @@ export function lastIndexOf<T>(
     }
   }
 
-  return Array.from(array).lastIndexOf(searchElement, index);
+  return toArray(array).lastIndexOf(searchElement, index);
 }

From 85f1bd1c04c92f0fb0c52b9cc82e3deaab41d709 Mon Sep 17 00:00:00 2001
From: Antoliny0919 <antoliny0919@gmail.com>
Date: Mon, 27 Jul 2026 23:23:46 +0900
Subject: [PATCH 2/2] add bundle size

---
 benchmarks/bundle-size/lastIndexOf.spec.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/benchmarks/bundle-size/lastIndexOf.spec.ts b/benchmarks/bundle-size/lastIndexOf.spec.ts
index 8dcb695db..eed4cad17 100644
--- a/benchmarks/bundle-size/lastIndexOf.spec.ts
+++ b/benchmarks/bundle-size/lastIndexOf.spec.ts
@@ -9,6 +9,6 @@ describe('lastIndexOf bundle size', () => {
 
   it('es-toolkit/compat', async () => {
     const bundleSize = await getBundleSize('es-toolkit/compat', 'lastIndexOf');
-    expect(bundleSize).toMatchInlineSnapshot(`636`);
+    expect(bundleSize).toMatchInlineSnapshot(`681`);
   });
 });