fix: jest config (#30)

jest.config.ts

@@ -0,0 +1,18 @@
+import type { Config } from 'jest';
+import nextJest from 'next/jest.js';
+
+const createJestConfig = nextJest({
+  // Provide the path to your Next.js app to load next.config.js and .env files in your test environment
+  dir: './',
+});
+
+// Add any custom config to be passed to Jest
+const config: Config = {
+  coverageProvider: 'v8',
+  testEnvironment: 'node',
+  // Add more setup options before each test is run
+  // setupFilesAfterEnv: ['<rootDir>/jest.setup.ts'],
+};
+
+// createJestConfig is exported this way to ensure that next/jest can load the Next.js config which is async
+export default createJestConfig(config);

package.json

@@ -70,11 +70,13 @@
     "eslint-plugin-react-refresh": "0.4.3",
     "husky": "8.0.3",
     "jest": "29.7.0",
+    "jest-environment-jsdom": "29.7.0",
     "jsdom": "24.0.0",
     "lodash.merge": "4.6.2",
     "prettier": "3.0.3",
     "styled-components": "6.0.7",
     "ts-jest": "29.1.2",
+    "ts-node": "10.9.2",
     "typescript": "5.4.2"
   }
 }