View

let i = 0 render ( <View onView={() => i++} > {(view, ref) => <div ref={ref}> {view? "🥱": "😴"}{i} </div> } </View> )

let i = 0
render (
  <View
    onView={() => i++}
  >
    {(view, ref) =>
      <div ref={ref}>
        {view? "🥱": "😴"}{i}
      </div>
    }
  </View>
)

😴0