{
  "context": "This criteria evaluates how well the engineer uses the @aws-sdk/util-dynamodb package to convert between JavaScript objects and DynamoDB AttributeValue format. The focus is on proper usage of marshall() and unmarshall() functions along with their configuration options.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "Uses marshall function",
      "description": "The convertToStorage function uses the marshall() function from @aws-sdk/util-dynamodb to convert JavaScript objects to DynamoDB AttributeValue format.",
      "max_score": 25
    },
    {
      "name": "Uses unmarshall function",
      "description": "The convertFromStorage function uses the unmarshall() function from @aws-sdk/util-dynamodb to convert DynamoDB AttributeValue format back to JavaScript objects.",
      "max_score": 25
    },
    {
      "name": "Handles undefined values",
      "description": "The implementation uses the removeUndefinedValues option when calling marshall() to properly handle undefined values in the input object.",
      "max_score": 20
    },
    {
      "name": "Handles empty strings",
      "description": "The implementation uses the convertEmptyValues option when calling marshall() to properly handle empty strings according to the test requirements.",
      "max_score": 20
    },
    {
      "name": "Proper package import",
      "description": "The code correctly imports marshall and unmarshall functions from @aws-sdk/util-dynamodb package.",
      "max_score": 10
    }
  ]
}