pm2/types/tsconfig.json

{
  "compilerOptions": {
      "module": "commonjs",
      "lib": ["es6"],
      "noImplicitAny": true,
      "noImplicitThis": true,
      "strictNullChecks": true,

      // If the library is an external module (uses `export`), this allows your test file to import "mylib" instead of "./index".
      // If the library is global (cannot be imported via `import` or `require`), leave this out.
      "baseUrl": ".",
      "paths": { "mylib": ["."] }
  }
}