{
  "context": "This criteria evaluates how well the engineer uses the emoji-picker-react package's emojiByUnified utility function to retrieve and work with emoji data. It focuses on correct usage of the package API for looking up emojis by unified code and extracting metadata.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "Import emojiByUnified",
      "description": "The solution imports the emojiByUnified function from the emoji-picker-react package using a named import (e.g., import { emojiByUnified } from 'emoji-picker-react')",
      "max_score": 15
    },
    {
      "name": "Call emojiByUnified correctly",
      "description": "The getEmojiData function calls emojiByUnified with the provided unified code string parameter and returns the result directly or processes it appropriately",
      "max_score": 25
    },
    {
      "name": "Handle undefined returns",
      "description": "The solution correctly handles the case where emojiByUnified returns undefined for invalid unified codes, propagating undefined or handling it gracefully without throwing errors",
      "max_score": 15
    },
    {
      "name": "Support skin tone variations",
      "description": "The solution correctly passes unified codes with skin tone modifiers (e.g., '1f44b-1f3fb') to emojiByUnified and retrieves the appropriate variation data",
      "max_score": 15
    },
    {
      "name": "Extract emoji character",
      "description": "The getEmojiCharacter function accesses the emoji property from the data object returned by emojiByUnified (e.g., emojiData.emoji)",
      "max_score": 15
    },
    {
      "name": "Extract emoji names",
      "description": "The getEmojiNames function accesses the names array property from the data object returned by emojiByUnified (e.g., emojiData.names)",
      "max_score": 15
    }
  ]
}