🧩 Flutter da Widget Extension — kod yozishni tezlashtiring

import 'package:flutter/material.dart';

extension WidgetPaddingX on Widget {
  Widget paddingAll(double padding) =>
      Padding(padding: EdgeInsets.all(padding), child: this);

  Widget paddingSymmetric({
    double horizontal = 0.0,
    double vertical = 0.0,
  }) =>
      Padding(
        padding: EdgeInsets.symmetric(
          horizontal: horizontal,
          vertical: vertical,
        ),
        child: this,
      );

  Widget paddingOnly({
    double left = 0.0,
    double top = 0.0,
    double right = 0.0,
    double bottom = 0.0,
  }) =>
      Padding(
        padding: EdgeInsets.only(
          top: top,
          left: left,
          right: right,
          bottom: bottom,
        ),
        child: this,
      );

  Widget get paddingZero =>
      Padding(padding: EdgeInsets.zero, child: this);
}

extension WidgetMarginX on Widget {
  Widget marginAll(double margin) =>
      Container(margin: EdgeInsets.all(margin), child: this);

  Widget marginSymmetric({
    double horizontal = 0.0,
    double vertical = 0.0,
  }) =>
      Container(
        margin: EdgeInsets.symmetric(
          horizontal: horizontal,
          vertical: vertical,
        ),
        child: this,
      );

  Widget marginOnly({
    double left = 0.0,
    double top = 0.0,
    double right = 0.0,
    double bottom = 0.0,
  }) =>
      Container(
        margin: EdgeInsets.only(
          top: top,
          left: left,
          right: right,
          bottom: bottom,
        ),
        child: this,
      );

  Widget get marginZero =>
      Container(margin: EdgeInsets.zero, child: this);
}

extension WidgetSliverBoxX on Widget {
  Widget get sliverBox => SliverToBoxAdapter(child: this);
}

class NewList<T> {
  NewList(this.l);
  final List l;

  List<T> list() {
    final l = List<T>.from((this.l as List<T>).toList());
    return l;
  }
}

Text("Salom").paddingAll(16)
Text("Salom").paddingSymmetric(horizontal: 20)
Container().marginOnly(top: 8, left: 12)
MyWidget().sliverBox

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