fix: referenceerror on jest

refer to https://github.com/jsdom/jsdom/issues 1724#issuecomment-720727999

Author: itaru2622

jest.config.js

@@ -2,6 +2,7 @@
 module.exports = {
   preset: 'ts-jest',
   testEnvironment: 'jsdom',
+  setupFiles: ['<rootDir>/setupJest.js'],
   testPathIgnorePatterns: [
     '<rootDir>/node_modules/',
     '<rootDir>/*.js',

package.json

@@ -56,7 +56,9 @@
     "prettier": "^3.4.2",
     "semantic-release": "^24.2.1",
     "ts-jest": "^29.2.5",
-    "typescript": "^5.7.3"
+    "typescript": "^5.7.3",
+    "ts-node": "^10.9.2",
+    "whatwg-fetch": "^3.6.20"
   },
   "peerDependencies": {
     "next": "^14",

setupJest.js

@@ -0,0 +1 @@
+const fetch = require("whatwg-fetch")