{
  "context": "This criteria evaluates how effectively the engineer uses the nodeenv package to manage NPM installation and configuration in Node.js virtual environments. The focus is on correct usage of nodeenv's API for creating environments, installing custom NPM versions, managing package requirements, and updating environments.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "Environment creation",
      "description": "Uses nodeenv.create_environment() function to create the Node.js virtual environment in the specified directory",
      "max_score": 25
    },
    {
      "name": "Custom NPM version",
      "description": "Uses the --npm or npm parameter with nodeenv to install a specific NPM version instead of the bundled version (e.g., via args.npm or Config.npm)",
      "max_score": 25
    },
    {
      "name": "Requirements file handling",
      "description": "Uses nodeenv.install_packages() function or --requirements parameter to install packages from a requirements file",
      "max_score": 25
    },
    {
      "name": "Update mode",
      "description": "Uses the --update flag or update parameter to update packages without reinstalling Node.js (e.g., via args.update)",
      "max_score": 15
    },
    {
      "name": "Argument parsing",
      "description": "Uses nodeenv.parse_args() or creates appropriate Config object to configure nodeenv with the command-line arguments",
      "max_score": 10
    }
  ]
}