{
  "context": "This criteria evaluates how effectively an engineer uses the react-swipeable package to detect and handle the first event in a swipe gesture sequence, particularly focusing on the 'first' property in SwipeEventData and proper lifecycle callback usage.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "useSwipeable hook usage",
      "description": "Uses the useSwipeable hook from react-swipeable to set up swipe gesture detection",
      "max_score": 15
    },
    {
      "name": "onSwiping callback",
      "description": "Implements the onSwiping callback to handle continuous swipe movement events during the gesture",
      "max_score": 20
    },
    {
      "name": "first property detection",
      "description": "Accesses and uses the 'first' property from SwipeEventData to detect the first event in a swipe sequence",
      "max_score": 30
    },
    {
      "name": "deltaX and deltaY",
      "description": "Reads deltaX and deltaY properties from SwipeEventData to track swipe displacement",
      "max_score": 15
    },
    {
      "name": "initial position tracking",
      "description": "Accesses the 'initial' property from SwipeEventData to capture the starting coordinates [x, y] of the swipe",
      "max_score": 10
    },
    {
      "name": "onSwiped callback",
      "description": "Implements the onSwiped callback to handle swipe completion and reset the active swipe state",
      "max_score": 10
    }
  ]
}