{
  "context": "This criteria evaluates how effectively an engineer uses @formatjs/intl-localematcher to build a high-performance locale matching system. The focus is on proper utilization of the package's three-tier optimization features including exact matching, locale maximization, and caching mechanisms.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "Uses match function",
      "description": "The implementation correctly imports and uses the `match()` function from @formatjs/intl-localematcher as the primary locale matching mechanism",
      "max_score": 25
    },
    {
      "name": "Handles exact matches",
      "description": "The implementation leverages the package's Tier 1 exact matching capability by passing locale arrays directly to the match function, enabling O(1) Set-based lookups",
      "max_score": 15
    },
    {
      "name": "Supports maximization",
      "description": "The implementation correctly handles locale maximization scenarios (e.g., zh-TW matching zh-Hant-TW) by relying on the package's built-in Tier 2 maximization and fallback logic",
      "max_score": 20
    },
    {
      "name": "Position-based preference",
      "description": "The implementation preserves the order of requested locales in the array passed to match(), allowing the package's position-based penalty system to prioritize earlier locales",
      "max_score": 15
    },
    {
      "name": "Caching strategy",
      "description": "The implementation takes advantage of the package's internal WeakMap caching for canonicalized locale arrays by reusing the same array references when possible, or implements additional caching of match results",
      "max_score": 15
    },
    {
      "name": "Default locale handling",
      "description": "The implementation properly uses the package's default locale parameter in the match() function to handle cases where no suitable match is found",
      "max_score": 10
    }
  ]
}