initial release

.gitignore

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+# Miscellaneous
+*.class
+*.log
+*.pyc
+*.swp
+.DS_Store
+.atom/
+.buildlog/
+.history
+.svn/
+migrate_working_dir/
+
+# IntelliJ related
+*.iml
+*.ipr
+*.iws
+.idea/
+
+# The .vscode folder contains launch configuration and tasks you configure in
+# VS Code which you may wish to be included in version control, so this line
+# is commented out by default.
+#.vscode/
+
+# Flutter/Dart/Pub related
+# Libraries should not include pubspec.lock, per https://dart.dev/guides/libraries/private-files#pubspeclock.
+/pubspec.lock
+**/doc/api/
+.dart_tool/
+.packages
+build/
+.dart_tool

.metadata

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+version:
+  revision: 'efbf63d9c66b9f6ec30e9ad4611189aa80003d31'
+  channel: 'stable'
+
+project_type: package

CHANGELOG.md

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+## 0.0.1
+
+- Describe initial release.
+
+## 0.0.2
+
+- Change README.md

LICENSE

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+MIT License
+
+Copyright (c) 2024 Maojiu
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

example/README.md

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+# Flutter Declarative Syntax Example
+
+### toListView
+
+> Using the toListView based on List to make the List become a ListView
+
+```dart
+<Widget>[].toListView();
+```
+
+### toColumn
+
+> Using the toColumn based on List to make the List become a Column
+
+```dart
+<Widget>[].toColumn();
+```
+
+### toRow
+
+> Using the toRow based on List to make the List become a Row
+
+```dart
+<Widget>[].toRow();
+```
+
+### toStack
+
+> Using the toStack based on List to make the List become a Stack
+
+```dart
+<Widget>[].toStack();
+```
+
+### Add properties and methods using declarative syntax
+
+```dart
+Text("Flutter Declarative Synrax")
+    .withColor(Colors.pink)
+    .withFontSize(16)
+    .withFontWeight(FontWeight.w600)
+    .backgroundColor(Colors.blue);
+```

lib/flutter_declarative_syntax.dart

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+library flutter_declarative_syntax;
+
+export './src/alignment.dart';
+export './src/button_style.dart';
+export './src/clip.dart';
+export './src/decoration.dart';
+export './src/effect.dart';
+export './src/gesture.dart';
+export './src/icon.dart';
+export './src/layout.dart';
+export './src/list.dart';
+export './src/padding.dart';
+export './src/scroll.dart';
+export './src/sliver.dart';
+export './src/text.dart';

lib/src/alignment.dart

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+import 'package:flutter/widgets.dart';
+
+extension FlutterDeclarativeSyntaxAlignmentModify on Widget {
+  /// Wraps this widget in an [Align] widget with the specified [alignment].
+  ///
+  /// - Parameter alignment: The alignment of the child widget within its parent.
+  /// - Parameter key: An optional key to identify the widget.
+  ///
+  /// Returns a new [Align] widget with the specified alignment and the current widget as its child.
+  Widget align(
+    AlignmentGeometry alignment, {
+    Key? key,
+  }) =>
+      Align(
+        key: key,
+        alignment: alignment,
+        child: this,
+      );
+
+  /// Wraps this widget in an [Align] widget with [Alignment.center] alignment.
+  ///
+  /// This method centers the widget within its parent.
+  Widget alignCenter() => align(Alignment.center);
+
+  /// Wraps this widget in an [Align] widget with [Alignment.centerLeft] alignment.
+  ///
+  /// This method aligns the widget to the center left of its parent.
+  Widget alignLeft() => align(Alignment.centerLeft);
+
+  /// Wraps this widget in an [Align] widget with [Alignment.centerRight] alignment.
+  ///
+  /// This method aligns the widget to the center right of its parent.
+  Widget alignRight() => align(Alignment.centerRight);
+
+  /// Wraps this widget in an [Align] widget with [Alignment.topCenter] alignment.
+  ///
+  /// This method aligns the widget to the top center of its parent.
+  Widget alignTop() => align(Alignment.topCenter);
+
+  /// Wraps this widget in an [Align] widget with [Alignment.bottomCenter] alignment.
+  ///
+  /// This method aligns the widget to the bottom center of its parent.
+  Widget alignBottom() => align(Alignment.bottomCenter);
+}

lib/src/button_style.dart

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+import 'package:flutter/material.dart';
+
+extension FlutterDeclarativeSyntaxButtonStyleModify on ButtonStyle {
+  /// Adds or overrides the text style of the [ButtonStyle].
+  ButtonStyle withTextStyle(TextStyle? textStyle) {
+    return copyWith(
+      textStyle: MaterialStateProperty.all(textStyle),
+    );
+  }
+
+  /// Adds or overrides the background color of the [ButtonStyle].
+  ButtonStyle withBackgroundColor(Color? color) {
+    return copyWith(
+      backgroundColor: MaterialStateProperty.all(color),
+    );
+  }
+
+  /// Adds or overrides the foreground color of the [ButtonStyle].
+  ButtonStyle withForegroundColor(Color? color) {
+    return copyWith(
+      foregroundColor: MaterialStateProperty.all(color),
+    );
+  }
+
+  /// Adds or overrides the overlay color of the [ButtonStyle].
+  ButtonStyle withOverlayColor(Color? color) {
+    return copyWith(
+      overlayColor: MaterialStateProperty.all(color),
+    );
+  }
+
+  /// Adds or overrides the shadow color of the [ButtonStyle].
+  ButtonStyle withShadowColor(Color? color) {
+    return copyWith(
+      shadowColor: MaterialStateProperty.all(color),
+    );
+  }
+
+  /// Adds or overrides the surface tint color of the [ButtonStyle].
+  ButtonStyle withSurfaceTintColor(Color? color) {
+    return copyWith(
+      surfaceTintColor: MaterialStateProperty.all(color),
+    );
+  }
+
+  /// Adds or overrides the elevation of the [ButtonStyle].
+  ButtonStyle withElevation(double? elevation) {
+    return copyWith(
+      elevation: MaterialStateProperty.all(elevation),
+    );
+  }
+
+  /// Adds or overrides the padding of the [ButtonStyle].
+  ButtonStyle withPadding(EdgeInsetsGeometry? padding) {
+    return copyWith(
+      padding: MaterialStateProperty.all(padding),
+    );
+  }
+
+  /// Adds or overrides the minimum size of the [ButtonStyle].
+  ButtonStyle withMinimumSize(Size? minimumSize) {
+    return copyWith(
+      minimumSize: MaterialStateProperty.all(minimumSize),
+    );
+  }
+
+  /// Adds or overrides the fixed size of the [ButtonStyle].
+  ButtonStyle withFixedSize(Size? fixedSize) {
+    return copyWith(
+      fixedSize: MaterialStateProperty.all(fixedSize),
+    );
+  }
+
+  /// Adds or overrides the maximum size of the [ButtonStyle].
+  ButtonStyle withMaximumSize(Size? maximumSize) {
+    return copyWith(
+      maximumSize: MaterialStateProperty.all(maximumSize),
+    );
+  }
+
+  /// Adds or overrides the icon color of the [ButtonStyle].
+  ButtonStyle withIconColor(Color? iconColor) {
+    return copyWith(
+      iconColor: MaterialStateProperty.all(iconColor),
+    );
+  }
+
+  /// Adds or overrides the icon size of the [ButtonStyle].
+  ButtonStyle withIconSize(double? iconSize) {
+    return copyWith(
+      iconSize: MaterialStateProperty.all(iconSize),
+    );
+  }
+
+  /// Adds or overrides the side of the [ButtonStyle].
+  ButtonStyle withSide(BorderSide? side) {
+    return copyWith(
+      side: MaterialStateProperty.all(side),
+    );
+  }
+
+  /// Adds or overrides the shape of the [ButtonStyle].
+  ButtonStyle withShape(OutlinedBorder? shape) {
+    return copyWith(
+      shape: MaterialStateProperty.all(shape),
+    );
+  }
+
+  /// Adds or overrides the mouse cursor of the [ButtonStyle].
+  ButtonStyle withMouseCursor(MouseCursor? mouseCursor) {
+    return copyWith(
+      mouseCursor: MaterialStateProperty.all(mouseCursor),
+    );
+  }
+
+  /// Adds or overrides the visual density of the [ButtonStyle].
+  ButtonStyle withVisualDensity(VisualDensity? visualDensity) {
+    return copyWith(
+      visualDensity: visualDensity,
+    );
+  }
+
+  /// Adds or overrides the tap target size of the [ButtonStyle].
+  ButtonStyle withTapTargetSize(MaterialTapTargetSize? tapTargetSize) {
+    return copyWith(
+      tapTargetSize: tapTargetSize,
+    );
+  }
+
+  /// Adds or overrides the animation duration of the [ButtonStyle].
+  ButtonStyle withAnimationDuration(Duration? animationDuration) {
+    return copyWith(
+      animationDuration: animationDuration,
+    );
+  }
+
+  /// Adds or overrides the enable feedback of the [ButtonStyle].
+  ButtonStyle withEnableFeedback(bool? enableFeedback) {
+    return copyWith(
+      enableFeedback: enableFeedback,
+    );
+  }
+
+  /// Adds or overrides the alignment of the [ButtonStyle].
+  ButtonStyle withAlignment(AlignmentGeometry? alignment) {
+    return copyWith(
+      alignment: alignment,
+    );
+  }
+
+  /// Adds or overrides the splash factory of the [ButtonStyle].
+  ButtonStyle withSplashFactory(InteractiveInkFeatureFactory? splashFactory) {
+    return copyWith(
+      splashFactory: splashFactory,
+    );
+  }
+}