{
  "context": "This criteria evaluates how well the engineer uses Babel's static expression evaluation capabilities, specifically the @babel/parser and @babel/traverse packages, to detect and evaluate constant expressions in JavaScript code.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "Uses @babel/parser",
      "description": "Code imports and uses @babel/parser (or the parse function from it) to parse JavaScript source code into an AST",
      "max_score": 15
    },
    {
      "name": "Uses @babel/traverse",
      "description": "Code imports and uses @babel/traverse (or the traverse/default function) to traverse the AST",
      "max_score": 15
    },
    {
      "name": "Implements visitor pattern",
      "description": "Code implements a visitor object with appropriate node type handlers (e.g., VariableDeclarator, AssignmentExpression, or BinaryExpression) to locate expressions that need evaluation",
      "max_score": 20
    },
    {
      "name": "Uses path.evaluate()",
      "description": "Code calls the path.evaluate() method to perform static evaluation of expressions during traversal",
      "max_score": 25
    },
    {
      "name": "Checks evaluation confidence",
      "description": "Code checks the 'confident' property returned by path.evaluate() to determine whether an expression is truly constant (evaluable with confidence)",
      "max_score": 15
    },
    {
      "name": "Extracts location information",
      "description": "Code accesses node location information (e.g., node.loc.start.line or path.node.loc) to include line numbers in the results",
      "max_score": 10
    }
  ]
}