feat: upgrade to jest v28

.github/workflows/ci.yaml

@@ -16,7 +16,7 @@ jobs:
       fail-fast: false
       matrix:
         node-version: [14.x, 16.x, 18.x]
-        jest-version: [27]
+        jest-version: [27, 28]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3

package.json

@@ -37,25 +37,26 @@
     "@babel/cli": "^7.0.0",
     "@babel/core": "^7.0.0",
     "@babel/preset-env": "^7.14.7",
-    "@types/jest": "^27.0.2",
-    "babel-jest": "^27.2.4",
+    "@jest/expect-utils": "^28.0.0",
+    "@types/jest": "^28.0.0",
+    "babel-jest": "^28.0.0",
     "babel-jest-assertions": "^0.1.0",
     "eslint": "^8.0.0",
     "eslint-config-prettier": "^8.3.0",
     "eslint-plugin-import": "^2.8.0",
     "eslint-plugin-jest": "^26.0.0",
     "eslint-plugin-prettier": "^4.0.0",
     "husky": "^7.0.1",
-    "jest": "^27.2.5",
+    "jest": "^28.0.0",
     "jest-serializer-ansi-escapes": "^2.0.1",
     "jest-watch-typeahead": "^1.0.0",
     "lint-staged": "^12.0.0",
     "prettier": "^2.3.2",
     "typescript": "^4.4.3"
   },
   "dependencies": {
-    "jest-diff": "^27.2.5",
-    "jest-get-type": "^27.0.6"
+    "jest-diff": "^28.0.0",
+    "jest-get-type": "^28.0.0"
   },
   "engines": {
     "node": "^14.15.0 || ^16.13.0 || >=18.0.0"

test/utils/index.test.js

@@ -1,6 +1,19 @@
-import { equals } from 'expect/build/jasmineUtils';
 import { contains, determinePropertyMessage, isJestMockOrSpy } from 'src/utils';
 
+let equals;
+
+try {
+  // eslint-disable-next-line import/no-unresolved
+  equals = require('@jest/expect-utils').equals;
+} catch (error) {
+  if (error.code === 'MODULE_NOT_FOUND') {
+    // eslint-disable-next-line import/no-unresolved
+    equals = require('expect/build/jasmineUtils').equals;
+  } else {
+    throw error;
+  }
+}
+
 describe('Utils', () => {
   describe('.contains', () => {
     const fn = () => {};