Padding Extensions

padding_extensions.dart

import 'package:flutter/material.dart';

extension PaddingExtensions on Widget {
  Widget horizontalListPadding({
    @required int index,
    @required int listLength,
    double spacingFirstItem = 16,
    double spacingLastItem = 16,
    double spaceBetweenItems = 16,
  }) {
    final bool isFirstItem = index == 0;
    final bool isLastItem = index + 1 == listLength;
    return Padding(
      padding: EdgeInsets.only(
        left: isFirstItem ? spacingFirstItem : 0.0,
        right: isLastItem ? spacingLastItem : spaceBetweenItems,
      ),
      child: this,
    );
  }
}