{
  "context": "This criteria evaluates how well the engineer uses Babel's assumptions system to optimize build configurations. It focuses on proper usage of @babel/core configuration API, the assumptions configuration option, and appropriate integration with target environment specifications.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "Babel Core Import",
      "description": "Correctly imports and uses @babel/core package for transformation or configuration loading (e.g., using transformSync, transformAsync, loadOptions, or similar APIs)",
      "max_score": 10
    },
    {
      "name": "Assumptions Configuration",
      "description": "Properly configures the 'assumptions' option in Babel configuration object with at least 3 different assumption keys (e.g., setPublicClassFields, privateFieldsAsProperties, noDocumentAll, etc.)",
      "max_score": 25
    },
    {
      "name": "Parser Integration",
      "description": "Uses @babel/parser (via parse or parseExpression) to analyze source code for determining which assumptions are safe to enable",
      "max_score": 15
    },
    {
      "name": "Target Configuration",
      "description": "Correctly configures the 'targets' option in Babel configuration to specify target browsers/environments",
      "max_score": 10
    },
    {
      "name": "Config Structure",
      "description": "Returns properly structured Babel configuration objects with correct structure (containing assumptions, targets, and other valid Babel config options)",
      "max_score": 15
    },
    {
      "name": "Code Analysis Logic",
      "description": "Implements logic to analyze parsed AST to detect patterns (e.g., class usage, specific operators) that inform which assumptions can be safely enabled",
      "max_score": 15
    },
    {
      "name": "Reporting Mechanism",
      "description": "Provides reasoning or metadata about selected assumptions, demonstrating understanding of what each assumption does and why it was chosen",
      "max_score": 10
    }
  ]
}