PiliPlus/lib/utils/extension.dart

import 'package:flutter/material.dart';

extension ImageExtension on num {
  int cacheSize(BuildContext context) {
    return (this * MediaQuery.of(context).devicePixelRatio).round();
  }
}

extension ScrollControllerExt on ScrollController {
  void animToTop() {
    if (!hasClients) return;
    animateTo(0,
        duration: const Duration(milliseconds: 500), curve: Curves.easeInOut);
  }
}