{
  "context": "This criteria evaluates how well the engineer uses the @formatjs/intl-localematcher package to implement locale availability checking, specifically focusing on the correct usage of the LookupSupportedLocales function for filtering and matching user-preferred locales against application-supported locales.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "LookupSupportedLocales usage",
      "description": "Uses the LookupSupportedLocales function from @formatjs/intl-localematcher to perform the locale filtering and matching logic",
      "max_score": 40
    },
    {
      "name": "Correct parameter order",
      "description": "Passes the availableLocales (app locales) as the first parameter and requestedLocales (user locales) as the second parameter to LookupSupportedLocales",
      "max_score": 20
    },
    {
      "name": "Return value handling",
      "description": "Returns the array result from LookupSupportedLocales directly without unnecessary transformation or processing",
      "max_score": 15
    },
    {
      "name": "Package import",
      "description": "Correctly imports LookupSupportedLocales from @formatjs/intl-localematcher using require or import syntax",
      "max_score": 15
    },
    {
      "name": "Test coverage",
      "description": "All four test cases pass correctly, demonstrating proper handling of exact matches, fallback matching, no matches, and multiple locale matching",
      "max_score": 10
    }
  ]
}