From d5765f71b3d269cb2d3a06666a5070372e21e62e Mon Sep 17 00:00:00 2001
From: Pengoose <pengoose_dev@naver.com>
Date: Thu, 20 Feb 2025 10:41:23 +0900
Subject: [PATCH] fix(expect): Correct generic MatchersObject this type in
 expect.extend (#7526)

---
 packages/expect/src/types.ts       | 2 +-
 test/core/test/jest-expect.test.ts | 9 +++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/packages/expect/src/types.ts b/packages/expect/src/types.ts
index 792a8b84a..0993110ee 100644
--- a/packages/expect/src/types.ts
+++ b/packages/expect/src/types.ts
@@ -92,7 +92,7 @@ export interface RawMatcherFn<T extends MatcherState = MatcherState> {
 export type MatchersObject<T extends MatcherState = MatcherState> = Record<
   string,
   RawMatcherFn<T>
->
+> & ThisType<T>
 
 export interface ExpectStatic
   extends Chai.ExpectStatic,
diff --git a/test/core/test/jest-expect.test.ts b/test/core/test/jest-expect.test.ts
index 93566aec3..8d4c9cbf3 100644
--- a/test/core/test/jest-expect.test.ts
+++ b/test/core/test/jest-expect.test.ts
@@ -246,6 +246,15 @@ describe('jest-expect', () => {
           message: () => '',
         }
       },
+      toBeTestedMatcherContext<T>(received: unknown, expected: T) {
+        if (typeof this.utils?.stringify !== 'function') {
+          throw new TypeError('this.utils.stringify is not available.')
+        }
+        return {
+          pass: received === expected,
+          message: () => 'toBeTestedMatcherContext',
+        }
+      },
     })
 
     expect(5).toBeDividedBy(5)
-- 
2.51.2