{
  "context": "This criteria evaluates how effectively the engineer uses nodeenv's mirror and custom download source capabilities to create Node.js virtual environments with alternative download locations.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "Uses --mirror flag",
      "description": "Correctly uses the --mirror command-line option or mirror parameter when calling nodeenv to specify a custom download source",
      "max_score": 25
    },
    {
      "name": "Mirror URL handling",
      "description": "Properly handles both full URL format (e.g., https://mirror.example.com/nodejs/) and domain-only format (e.g., mirror.example.com) for mirror specification",
      "max_score": 20
    },
    {
      "name": "Config file integration",
      "description": "Implements configuration file support using nodeenv's config file mechanism (e.g., .nodeenvrc, setup.cfg, or custom config file via -C/--config-file) with mirror settings",
      "max_score": 20
    },
    {
      "name": "Environment creation",
      "description": "Successfully creates Node.js virtual environments by calling nodeenv.create_environment() or using the nodeenv command with appropriate parameters including destination directory",
      "max_score": 15
    },
    {
      "name": "Parameter precedence",
      "description": "Correctly implements precedence logic where command-line mirror argument overrides config file settings, following nodeenv's configuration hierarchy",
      "max_score": 10
    },
    {
      "name": "Error handling",
      "description": "Implements appropriate error handling for mirror validation and environment creation failures using nodeenv's exception mechanisms",
      "max_score": 10
    }
  ]
}