{
  "context": "This criteria evaluates how well the engineer uses @angular-devkit/build-ng-packagr to orchestrate library build processes, including executing builds, managing caching, and handling configuration options.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "Execute builder function",
      "description": "Uses the execute() or executeNgPackagrBuilder() function from @angular-devkit/build-ng-packagr to run library builds",
      "max_score": 20
    },
    {
      "name": "NgPackagrBuilderOptions usage",
      "description": "Correctly structures NgPackagrBuilderOptions with project, tsConfig, watch, and poll properties as needed",
      "max_score": 15
    },
    {
      "name": "BuilderContext integration",
      "description": "Uses BuilderContext.workspaceRoot for path resolution and accesses project metadata through context methods",
      "max_score": 15
    },
    {
      "name": "Dynamic ng-packagr import",
      "description": "Dynamically imports ng-packagr package using import() or require() and handles MODULE_NOT_FOUND errors appropriately",
      "max_score": 15
    },
    {
      "name": "Cache configuration",
      "description": "Sets up NgPackagrOptions with cacheEnabled, cacheDirectory, and environment-aware cache strategies (local/ci/all)",
      "max_score": 15
    },
    {
      "name": "Observable return type",
      "description": "Returns Observable<BuilderOutput> from builder execution and uses RxJS operators (switchMap, map, catchError) for build flow control",
      "max_score": 10
    },
    {
      "name": "Watch mode handling",
      "description": "Conditionally calls packager.watch() vs packager.build() based on options.watch flag",
      "max_score": 5
    },
    {
      "name": "TypeScript config override",
      "description": "Uses packager.withTsConfig() method when options.tsConfig is provided to override TypeScript settings",
      "max_score": 5
    }
  ]
}