{
  "context": "This criteria evaluates how well the engineer demonstrates minimal dependency design principles when building a Unix-style CLI tool. It focuses on appropriate usage of only essential dependencies (readable-stream and minimist), avoiding unnecessary packages, and implementing core functionality without over-reliance on external libraries.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "Transform stream implementation",
      "description": "Uses stream.Transform from readable-stream package to implement LineCounterStream class, with proper _transform and _flush methods for buffering and processing input",
      "max_score": 25
    },
    {
      "name": "Minimist for arguments",
      "description": "Uses minimist library to parse command-line arguments (checking for '-' or '--stdin' flag) without implementing custom argument parsing",
      "max_score": 15
    },
    {
      "name": "No unnecessary dependencies",
      "description": "Solution uses only the two specified dependencies (readable-stream and minimist) and does not include additional packages for functionality that can be implemented directly",
      "max_score": 20
    },
    {
      "name": "Core logic implementation",
      "description": "Implements line counting, empty line detection, and buffering logic directly in JavaScript without delegating to external libraries",
      "max_score": 20
    },
    {
      "name": "Stdin detection pattern",
      "description": "Uses process.stdin.isTTY check to detect piped input without requiring additional packages, following minimal dependency design principles",
      "max_score": 10
    },
    {
      "name": "Stream piping pattern",
      "description": "Properly pipes process.stdin through LineCounterStream to process.stdout using Node.js built-in pipe method",
      "max_score": 10
    }
  ]
}