Configuration for Node.Js + Typescript optimized for Neo vim

jest.config.js

/** @type {import('ts-jest').JestConfigWithTsJest} */
export default {
  // Usamos el preset específico para ESM
  preset: 'ts-jest/presets/default-esm',
  testEnvironment: 'node',
  // Esto es vital para que Jest no se confunda con las extensiones .js en archivos .ts
  moduleNameMapper: {
    '^(\\.{1,2}/.*)\\.js$': '$1',
  },
  transform: {
    '^.+\\.tsx?$': [
      'ts-jest',
      {
        useESM: true,
      },
    ],
  },
};

nodemon.json

{
  "watch": ["src"],
  "ext": ".ts,.js",
  "ignore": [],
  "exec": "npx tsx ./src/app.ts"
}

package.json

{
  "name": "example",
  "version": "0.0.1",
  "type": "module",
  "description": "example app",
  "main": "app.ts",
  "directories": {
    "test": "tests"
  },
  "scripts": {
    "test": "node --experimental-vm-modules node_modules/jest/bin/jest.js",
    "dev": "nodemon",
    "build": "rimraf ./dist && tsc",
    "start": "node dist/app.js"
  },
  "license": "ISC",
  "devDependencies": {
    "@types/jest": "^30.0.0",
    "@types/node": "^25.3.5",
    "jest": "^30.2.0",
    "nodemon": "^3.1.14",
    "rimraf": "^6.1.3",
    "supertest": "^7.2.2",
    "ts-jest": "^29.4.6",
    "ts-node": "^10.9.2",
    "tsx": "^4.21.0",
    "typescript": "^5.9.3"
  }
}

tsconfig.json

{
  "compilerOptions": {
    "target": "ESNext",
    "module": "NodeNext",           // Obligatorio para Node + ESM
    "moduleResolution": "NodeNext", // Obligatorio si 'module' es NodeNext
    "isolatedModules": true,
    "rootDir": "src",
    "outDir": "dist",
    
    "strict": true,
    "skipLibCheck": true,
    "esModuleInterop": true,
    "verbatimModuleSyntax": true,   // Lo que pedía tu error anterior
    "sourceMap": true,
    "declaration": true
  },
  "include": ["src/**/*"],
  "exclude": ["node_modules", "**/*.test.ts"]
}