From 11452627687e2acf581d1b9b79c07cc777e446e6 Mon Sep 17 00:00:00 2001
From: Yusuf YILDIRIM <yusuf@tinythin.gs>
Date: Sat, 10 Sep 2022 13:40:04 +0300
Subject: [PATCH 1/2] Fix Jest 28+ `expect.extend is not a function` error

---
 src/reanimated2/jestUtils.ts | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/src/reanimated2/jestUtils.ts b/src/reanimated2/jestUtils.ts
index d827c7fc957..3a7e3fd932f 100644
--- a/src/reanimated2/jestUtils.ts
+++ b/src/reanimated2/jestUtils.ts
@@ -188,11 +188,13 @@ export const advanceAnimationByFrame = (count) => {
 };
 
 export const setUpTests = (userConfig = {}) => {
-  let expect;
-  try {
-    expect = require('expect');
-  } catch (_) {
-    // for Jest in version 28+
+  let expect = require('expect');
+
+  // Starting from Jest 28, "expect" package uses named exports instead of default export.
+  // So, requiring "expect" package doesn't give direct access to "expect" function anymore.
+  // It gives access to the module object instead.
+  // We use this info to detect if the project uses Jest 28 or higher.
+  if (typeof expect === 'object') {
     const { expect: expectModule } = require('@jest/globals');
     expect = expectModule;
   }

From d6c60ff5d9ea15a38b56eaceedcf125871866d24 Mon Sep 17 00:00:00 2001
From: Krzysztof Piaskowy <krzysztof.piaskowy@swmansion.com>
Date: Wed, 2 Nov 2022 13:40:45 +0100
Subject: [PATCH 2/2] If undefined try to get default (jest 28)

---
 src/reanimated2/jestUtils.ts | 22 ++++++++++++++--------
 1 file changed, 14 insertions(+), 8 deletions(-)

diff --git a/src/reanimated2/jestUtils.ts b/src/reanimated2/jestUtils.ts
index 3a7e3fd932f..1e3c5882b4f 100644
--- a/src/reanimated2/jestUtils.ts
+++ b/src/reanimated2/jestUtils.ts
@@ -188,15 +188,21 @@ export const advanceAnimationByFrame = (count) => {
 };
 
 export const setUpTests = (userConfig = {}) => {
-  let expect = require('expect');
-
-  // Starting from Jest 28, "expect" package uses named exports instead of default export.
-  // So, requiring "expect" package doesn't give direct access to "expect" function anymore.
-  // It gives access to the module object instead.
-  // We use this info to detect if the project uses Jest 28 or higher.
-  if (typeof expect === 'object') {
-    const { expect: expectModule } = require('@jest/globals');
+  let expect = global.expect;
+  if (expect === undefined) {
+    const expectModule = require('expect');
     expect = expectModule;
+    // Starting from Jest 28, "expect" package uses named exports instead of default export.
+    // So, requiring "expect" package doesn't give direct access to "expect" function anymore.
+    // It gives access to the module object instead.
+    // We use this info to detect if the project uses Jest 28 or higher.
+    if (typeof expect === 'object') {
+      const jestGlobals = require('@jest/globals');
+      expect = jestGlobals.expect;
+    }
+    if (expect === undefined || expect.extend === undefined) {
+      expect = expectModule.default;
+    }
   }
 
   require('setimmediate');