feat: ConvertToOtherButton

.fvm/fvm_config.json

@@ -0,0 +1,4 @@
+{
+  "flutterSdkVersion": "3.7.12",
+  "flavors": {}
+}

.gitignore

@@ -27,4 +27,10 @@ pubspec.lock
 **/doc/api/
 .dart_tool/
 .packages
-build/
+build/
+
+# fvm
+.fvm/flutter_sdk
+
+# example
+packages/material_button_assist/example/web

melos.yaml

@@ -1,6 +1,8 @@
 name: material_widget_lint
 repository: https://github.com/K9i-0/material_widget_lint
 
+sdkPath: .fvm/flutter_sdk
+
 packages:
   - packages/**
 

packages/material_button_assist/CHANGELOG.md

@@ -0,0 +1,3 @@
+## 1.0.0
+
+- Initial version.

packages/material_button_assist/LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2023 K9i
+
+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.

packages/material_button_assist/README.md

@@ -0,0 +1,39 @@
+<!-- 
+This README describes the package. If you publish this package to pub.dev,
+this README's contents appear on the landing page for your package.
+
+For information about how to write a good package README, see the guide for
+[writing package pages](https://dart.dev/guides/libraries/writing-package-pages). 
+
+For general information about developing packages, see the Dart guide for
+[creating packages](https://dart.dev/guides/libraries/create-library-packages)
+and the Flutter guide for
+[developing packages and plugins](https://flutter.dev/developing-packages). 
+-->
+
+TODO: Put a short description of the package here that helps potential users
+know whether this package might be useful for them.
+
+## Features
+
+TODO: List what your package can do. Maybe include images, gifs, or videos.
+
+## Getting started
+
+TODO: List prerequisites and provide or point to information on how to
+start using the package.
+
+## Usage
+
+TODO: Include short and useful examples for package users. Add longer examples
+to `/example` folder. 
+
+```dart
+const like = 'sample';
+```
+
+## Additional information
+
+TODO: Tell users more about the package: where to find more information, how to 
+contribute to the package, how to file issues, what response they can expect 
+from the package authors, and more.

packages/material_button_assist/example/.metadata

@@ -0,0 +1,36 @@
+# This file tracks properties of this Flutter project.
+# Used by Flutter tool to assess capabilities and perform upgrades etc.
+#
+# This file should be version controlled.
+
+version:
+  revision: 4d9e56e694b656610ab87fcf2efbcd226e0ed8cf
+  channel: stable
+
+project_type: app
+
+# Tracks metadata for the flutter migrate command
+migration:
+  platforms:
+    - platform: root
+      create_revision: 4d9e56e694b656610ab87fcf2efbcd226e0ed8cf
+      base_revision: 4d9e56e694b656610ab87fcf2efbcd226e0ed8cf
+    - platform: android
+      create_revision: 4d9e56e694b656610ab87fcf2efbcd226e0ed8cf
+      base_revision: 4d9e56e694b656610ab87fcf2efbcd226e0ed8cf
+    - platform: ios
+      create_revision: 4d9e56e694b656610ab87fcf2efbcd226e0ed8cf
+      base_revision: 4d9e56e694b656610ab87fcf2efbcd226e0ed8cf
+    - platform: web
+      create_revision: 4d9e56e694b656610ab87fcf2efbcd226e0ed8cf
+      base_revision: 4d9e56e694b656610ab87fcf2efbcd226e0ed8cf
+
+  # User provided section
+
+  # List of Local paths (relative to this file) that should be
+  # ignored by the migrate tool.
+  #
+  # Files that are not part of the templates will be ignored by default.
+  unmanaged_files:
+    - 'lib/main.dart'
+    - 'ios/Runner.xcodeproj/project.pbxproj'

packages/material_button_assist/example/README.md

@@ -0,0 +1,3 @@
+# example
+
+A new Flutter project.

packages/material_button_assist/example/analysis_options.yaml

@@ -0,0 +1,4 @@
+include: package:flutter_lints/flutter.yaml
+analyzer:
+  plugins:
+    - custom_lint

packages/material_button_assist/example/lib/main.dart

@@ -0,0 +1,47 @@
+import 'package:flutter/material.dart';
+
+void main() {
+  runApp(const MainApp());
+}
+
+class MainApp extends StatelessWidget {
+  const MainApp({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      theme: ThemeData(
+        useMaterial3: true,
+      ),
+      home: Scaffold(
+        body: Center(
+          child: Column(
+            mainAxisAlignment: MainAxisAlignment.spaceEvenly,
+            children: [
+              ElevatedButton(
+                onPressed: () {},
+                child: const Text('Hello World!'),
+              ),
+              FilledButton.tonal(
+                onPressed: () {},
+                child: const Text('Hello World!'),
+              ),
+              FilledButton.tonal(
+                onPressed: () {},
+                child: const Text('Hello World!'),
+              ),
+              OutlinedButton(
+                onPressed: () {},
+                child: const Text('Hello World!'),
+              ),
+              TextButton(
+                onPressed: () {},
+                child: const Text('Hello World!'),
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}

packages/material_button_assist/example/pubspec.yaml

@@ -0,0 +1,22 @@
+name: example
+description: A new Flutter project.
+publish_to: 'none'
+version: 0.1.0
+
+environment:
+  sdk: '>=2.19.6 <3.0.0'
+
+dependencies:
+  flutter:
+    sdk: flutter
+
+dev_dependencies:
+  flutter_test:
+    sdk: flutter
+  flutter_lints: ^2.0.1
+  custom_lint: ^0.3.4
+  material_button_assist:
+    path: ../
+
+flutter:
+  uses-material-design: true

packages/material_button_assist/example/pubspec_overrides.yaml

@@ -0,0 +1,4 @@
+# melos_managed_dependency_overrides: material_button_assist
+dependency_overrides:
+  material_button_assist:
+    path: ..

packages/material_button_assist/lib/material_button_assist.dart

@@ -0,0 +1,18 @@
+library material_button_assist;
+
+import 'package:custom_lint_builder/custom_lint_builder.dart';
+import 'package:material_button_assist/src/assists/convert_to_other_button.dart';
+
+PluginBase createPlugin() => _MaterialButtonAssist();
+
+class _MaterialButtonAssist extends PluginBase {
+  @override
+  List<LintRule> getLintRules(CustomLintConfigs configs) => const [];
+
+  @override
+  List<Assist> getAssists() => [
+        ...MaterialButtonType.values
+            .map((buttonType) => ConvertToOtherButton(targetType: buttonType))
+            .toList(),
+      ];
+}

packages/material_button_assist/lib/src/assists/convert_to_other_button.dart

@@ -0,0 +1,133 @@
+import 'package:analyzer/source/source_range.dart';
+import 'package:custom_lint_builder/custom_lint_builder.dart';
+
+const convertToOtherButtonPriority = 26;
+
+enum MaterialButtonType {
+  elevated(
+    buttonName: 'ElevatedButton',
+    constructorName: 'ElevatedButton',
+    priority: convertToOtherButtonPriority,
+    typeChecker: TypeChecker.fromName(
+      'ElevatedButton',
+      packageName: 'flutter',
+    ),
+  ),
+  filled(
+    buttonName: 'FilledButton',
+    constructorName: 'FilledButton',
+    priority: convertToOtherButtonPriority,
+    typeChecker: TypeChecker.fromName(
+      'FilledButton',
+      packageName: 'flutter',
+    ),
+  ),
+  filledTonal(
+    buttonName: 'FilledTonalButton',
+    constructorName: 'FilledButton.tonal',
+    priority: convertToOtherButtonPriority,
+    typeChecker: TypeChecker.fromName(
+      'FilledButton',
+      packageName: 'flutter',
+    ),
+  ),
+  outlined(
+    buttonName: 'OutlinedButton',
+    constructorName: 'OutlinedButton',
+    priority: convertToOtherButtonPriority,
+    typeChecker: TypeChecker.fromName(
+      'OutlinedButton',
+      packageName: 'flutter',
+    ),
+  ),
+  text(
+    buttonName: 'TextButton',
+    constructorName: 'TextButton',
+    priority: convertToOtherButtonPriority,
+    typeChecker: TypeChecker.fromName(
+      'TextButton',
+      packageName: 'flutter',
+    ),
+  );
+
+  const MaterialButtonType({
+    required this.buttonName,
+    required this.constructorName,
+    required this.priority,
+    required this.typeChecker,
+  });
+  final String buttonName;
+  final String constructorName;
+  final int priority;
+  final TypeChecker typeChecker;
+}
+
+TypeChecker getBaseType({
+  required MaterialButtonType? exclude,
+}) {
+  return TypeChecker.any(
+    MaterialButtonType.values
+        .where((e) => e != exclude)
+        .map((e) => e.typeChecker),
+  );
+}
+
+final filledButtonType = TypeChecker.any([
+  MaterialButtonType.filled.typeChecker,
+  MaterialButtonType.filledTonal.typeChecker,
+]);
+
+class ConvertToOtherButton extends DartAssist {
+  ConvertToOtherButton({
+    required this.targetType,
+  });
+  final MaterialButtonType targetType;
+  late final baseType = getBaseType(
+    exclude: targetType != MaterialButtonType.filled ? targetType : null,
+  );
+
+  @override
+  void run(
+    CustomLintResolver resolver,
+    ChangeReporter reporter,
+    CustomLintContext context,
+    SourceRange target,
+  ) {
+    context.registry.addInstanceCreationExpression((node) {
+      // Select from "new" to the opening bracket
+      if (!target.intersects(node.constructorName.sourceRange)) return;
+
+      final createdType = node.constructorName.type.type;
+      if (createdType == null || !baseType.isExactlyType(createdType)) {
+        return;
+      }
+
+      final simpleIdentifier = node.constructorName.name;
+      final isFilledButton = filledButtonType.isExactlyType(createdType);
+      final isTonal =
+          simpleIdentifier != null && simpleIdentifier.name == 'tonal';
+
+      if (isFilledButton) {
+        if (isTonal) {
+          if (targetType == MaterialButtonType.filledTonal) return;
+        } else {
+          if (targetType == MaterialButtonType.filled) return;
+        }
+      }
+
+      final changeBuilder = reporter.createChangeBuilder(
+        message: 'Convert to ${targetType.buttonName}',
+        priority: targetType.priority,
+      );
+
+      changeBuilder.addDartFileEdit(
+        (builder) {
+          builder.addSimpleReplacement(
+            node.constructorName.sourceRange,
+            targetType.constructorName,
+          );
+        },
+      );
+    });
+  }
+}

packages/material_button_assist/pubspec.yaml

@@ -0,0 +1,11 @@
+name: material_button_assist
+description: A starting point for Dart libraries or applications.
+version: 1.0.0
+repository: https://github.com/K9i-0/material_widget_lint
+
+environment:
+  sdk: ">=2.17.0 <3.0.0"
+
+dependencies:
+  custom_lint_builder: ^0.3.4
+  analyzer: ^5.7.0

pubspec.yaml

@@ -2,7 +2,8 @@ name: material_widget_lint_workspace
 publish_to: none
 
 environment:
-  sdk: ">=2.18.0 <3.0.0"
+  sdk: ">=2.17.0 <3.0.0"
+
 dev_dependencies:
   melos: ^3.0.1
   flutter_lints: ^2.0.1