{
  "context": "This evaluation assesses the engineer's ability to implement proper input validation patterns, specifically validating that a constructor parameter is an array and throwing appropriate TypeErrors with descriptive messages. The focus is on using Array.isArray() and typeof operator correctly as demonstrated in the aggregate-error package.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "Array.isArray() validation",
      "description": "Uses Array.isArray() method to check if the constructor parameter is an array before processing it",
      "max_score": 30
    },
    {
      "name": "TypeError throwing",
      "description": "Throws a TypeError (not generic Error) when the input is not an array",
      "max_score": 20
    },
    {
      "name": "Descriptive error message",
      "description": "Error message includes both the expected type ('Array') and the actual type received using typeof operator",
      "max_score": 25
    },
    {
      "name": "Validation before processing",
      "description": "Performs the array validation check at the beginning of the constructor, before any other processing or storage operations",
      "max_score": 15
    },
    {
      "name": "typeof operator usage",
      "description": "Uses typeof operator in the error message to provide information about the actual type that was passed",
      "max_score": 10
    }
  ]
}