{
  "context": "Evaluates whether the solution uses the xmlhttprequest package's event-driven lifecycle to track a GET request, capturing readyState transitions and completion handling. Focuses on correct constructor usage, asynchronous setup, lifecycle listeners, and abort behavior tied to readystatechange and load events.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "Native XHR",
      "description": "Instantiates the dependency's XMLHttpRequest (e.g., via require('xmlhttprequest').XMLHttpRequest) instead of fetch/http modules, ensuring work happens through the package.",
      "max_score": 20
    },
    {
      "name": "Async setup",
      "description": "Calls open with the provided URL using async=true and then send() to start the GET so readyState advances through the expected lifecycle.",
      "max_score": 15
    },
    {
      "name": "State tracking",
      "description": "Registers onreadystatechange or addEventListener('readystatechange') to push each readyState value into the log in order, covering the sequence 1->2->3->4 for a successful response.",
      "max_score": 25
    },
    {
      "name": "Load completion",
      "description": "Attaches a load handler to resolve only when the request finishes, pulling status and responseText (not partial chunks) and avoiding resolution on intermediate readystatechange events.",
      "max_score": 20
    },
    {
      "name": "Abort handling",
      "description": "Uses xhr.abort() to cancel an in-flight request, stops further state/load callbacks, and rejects or flags the operation without returning a final body.",
      "max_score": 20
    }
  ]
}