full upgrade to dev

jest.config.ts

@@ -1,44 +1,38 @@
-import type { Config } from 'jest'
-import nextJest from 'next/jest.js'
- 
+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: './',
-})
- 
+  dir: "./",
+});
+
 // Add any custom config to be passed to Jest
 const config: Config = {
-  coverageProvider: 'babel',
-  testEnvironment: 'jsdom',
+  coverageProvider: "v8",
+  testEnvironment: "jsdom",
   // Add more setup options before each test is run
-  setupFilesAfterEnv: ['<rootDir>/jest.setup.ts'],
+  setupFilesAfterEnv: ["<rootDir>/jest.setup.ts"],
   // Ignore tests inside __mocks__ directory
-  testPathIgnorePatterns: ['/node_modules/', '/__mocks__/'],
+  testPathIgnorePatterns: ["/node_modules/", "/__mocks__/", "/.next/"],
   // Transform react-markdown and other ESM modules
   transformIgnorePatterns: [
-    'node_modules/(?!(react-markdown|remark-.*|rehype-.*|unified|bail|is-plain-obj|trough|vfile|vfile-message|unist-.*|micromark|parse-entities|character-entities|mdast-.*|hast-.*|property-information|space-separated-tokens|comma-separated-tokens|web-namespaces|zwitch|longest-streak|ccount)/)'
+    "node_modules/(?!(react-markdown|remark-.*|rehype-.*|unified|bail|is-plain-obj|trough|vfile|vfile-message|unist-.*|micromark|parse-entities|character-entities|mdast-.*|hast-.*|property-information|space-separated-tokens|comma-separated-tokens|web-namespaces|zwitch|longest-streak|ccount)/)",
   ],
-  // Fix for production React builds
-  testEnvironmentOptions: {
-    customExportConditions: [''],
-  },
   // Module name mapping to fix haste collision
   moduleNameMapper: {
-    '^@/(.*)$': '<rootDir>/$1',
-  },
-  // Fix haste collision by excluding .next directory
-  haste: {
-    hasteImplModulePath: undefined,
+    "^@/(.*)$": "<rootDir>/$1",
   },
   // Exclude problematic directories from haste
-  modulePathIgnorePatterns: ['<rootDir>/.next/'],
+  modulePathIgnorePatterns: ["<rootDir>/.next/", "<rootDir>/node_modules/"],
   // Clear mocks between tests
   clearMocks: true,
   // Reset modules between tests
   resetMocks: true,
   // Restore mocks between tests
   restoreMocks: true,
-}
- 
+  // Max workers for better performance
+  maxWorkers: "50%",
+};
+
 // createJestConfig is exported this way to ensure that next/jest can load the Next.js config which is async
-export default createJestConfig(config)
+export default createJestConfig(config);