{
  "context": "This criteria evaluates how well the engineer uses lodash's chaining API and iterator support to implement a data pipeline processor. The focus is on proper use of lodash chain methods, understanding of lazy evaluation, and correct implementation of iterator protocols through lodash wrappers.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "Chain initialization",
      "description": "Uses lodash chain() or _(data) to create a lodash wrapper that supports chaining",
      "max_score": 15
    },
    {
      "name": "Filter implementation",
      "description": "Uses lodash filter method within the chain to implement age-based filtering",
      "max_score": 15
    },
    {
      "name": "Map implementation",
      "description": "Uses lodash map or pick/omit methods within the chain to select specific fields from records",
      "max_score": 15
    },
    {
      "name": "Sort implementation",
      "description": "Uses lodash sortBy or orderBy method within the chain to sort results by specified field",
      "max_score": 15
    },
    {
      "name": "Iterator protocol support",
      "description": "Returns a lodash wrapper that implements Symbol.iterator, allowing for...of loops, spread operator, and Array.from() to work correctly",
      "max_score": 25
    },
    {
      "name": "Value extraction handling",
      "description": "Properly uses .value() method or relies on iterator protocol to extract final results when needed, demonstrating understanding of lazy evaluation",
      "max_score": 15
    }
  ]
}