tsconfig.json

{
  "compilerOptions": {
    "target": "esnext",
    "module": "es2022",
    "moduleResolution": "node",
    "lib": ["es2015", "DOM"],
    "types": ["mocha"],
    "typeRoots": ["./node_modules/@types"],
    "allowJs": true,
    "esModuleInterop": true,
    "strict": true,
  },
  // Most ts-node options can be specified here using their programmatic names.
  "ts-node": {
    // It is faster to skip typechecking.
    // Remove if you want ts-node to do typechecking.
    // "transpileOnly": true,

    "files": true,

    "compilerOptions": {
      // compilerOptions specified here will override those declared below,
      // but *only* in ts-node.  Useful if you want ts-node and tsc to use
      // different options with a single tsconfig.json.
      "module": "commonjs"
    },
  }
}