feat(deferred): (wip) add generator package

packages/wyatt_deferred_widget_gen/.gitignore

@@ -0,0 +1,7 @@
+# https://dart.dev/guides/libraries/private-files
+# Created by `dart pub`
+.dart_tool/
+
+# Avoid committing pubspec.lock for library packages; see
+# https://dart.dev/guides/libraries/private-files#pubspeclock.
+pubspec.lock

packages/wyatt_deferred_widget_gen/.vscode/extensions.json

@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) 2022 WYATT GROUP
+ * Please see the AUTHORS file for details.
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+{
+    "recommendations": [
+        "psioniq.psi-header",
+        "blaugold.melos-code"
+    ]
+}

packages/wyatt_deferred_widget_gen/.vscode/launch.json

@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2023 WYATT GROUP
+ * Please see the AUTHORS file for details.
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "Launch Example",
+            "request": "launch",
+            "type": "dart",
+            "cwd": "example/",
+            "program": "lib/main.dart",
+            "flutterMode": "debug"
+        },
+    ]
+}

packages/wyatt_deferred_widget_gen/.vscode/settings.json

@@ -0,0 +1,72 @@
+{
+  "dart.runPubGetOnPubspecChanges": "never",
+  "bloc.newCubitTemplate.type": "equatable",
+  "psi-header.changes-tracking": {
+    "isActive": true
+  },
+  "psi-header.config": {
+    "blankLinesAfter": 1,
+    "forceToTop": true
+  },
+  "psi-header.lang-config": [
+    {
+      "beforeHeader": [
+        "# -*- coding:utf-8 -*-",
+        "#!/usr/bin/env python3"
+      ],
+      "begin": "###",
+      "end": "###",
+      "language": "python",
+      "prefix": "# "
+    },
+    {
+      "beforeHeader": [
+        "#!/usr/bin/env sh",
+        ""
+      ],
+      "language": "shellscript",
+      "begin": "",
+      "end": "",
+      "prefix": "# "
+    },
+    {
+      "begin": "",
+      "end": "",
+      "language": "dart",
+      "prefix": "// "
+    },
+    {
+      "begin": "",
+      "end": "",
+      "language": "yaml",
+      "prefix": "# "
+    },
+    {
+      "begin": "<!--",
+      "end": "-->",
+      "language": "markdown",
+    },
+  ],
+  "psi-header.templates": [
+    {
+      "language": "*",
+      "template": [
+        "Copyright (C) <<year>> WYATT GROUP",
+        "Please see the AUTHORS file for details.",
+        "",
+        "This program is free software: you can redistribute it and/or modify",
+        "it under the terms of the GNU General Public License as published by",
+        "the Free Software Foundation, either version 3 of the License, or",
+        "any later version.",
+        "",
+        "This program is distributed in the hope that it will be useful,",
+        "but WITHOUT ANY WARRANTY; without even the implied warranty of",
+        "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the",
+        "GNU General Public License for more details.",
+        "",
+        "You should have received a copy of the GNU General Public License",
+        "along with this program. If not, see <https://www.gnu.org/licenses/>."
+      ],
+    }
+  ],
+}

packages/wyatt_deferred_widget_gen/AUTHORS

@@ -0,0 +1,8 @@
+# Below is a list of people and organizations that have contributed
+# to this project. Names should be added to the list like so:
+#
+#   Name/Organization <email address>
+
+Wyatt Group S.A.S
+Hugo Pointcheval <hugo.pointcheval@wyatt-studio.fr>
+Malo Léon <malo.leon@wyatt-studio.fr>

packages/wyatt_deferred_widget_gen/CHANGELOG.md

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

packages/wyatt_deferred_widget_gen/LICENSE

@@ -0,0 +1,674 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
+
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+ Everyone is permitted to copy and distribute verbatim copies
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+or that patent license was granted, prior to 28 March 2007.
+
+  Nothing in this License shall be construed as excluding or limiting
+any implied license or other defenses to infringement that may
+otherwise be available to you under applicable patent law.
+
+  12. No Surrender of Others' Freedom.
+
+  If conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
+excuse you from the conditions of this License.  If you cannot convey a
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+not convey it at all.  For example, if you agree to terms that obligate you
+to collect a royalty for further conveying from those to whom you convey
+the Program, the only way you could satisfy both those terms and this
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+
+  13. Use with the GNU Affero General Public License.
+
+  Notwithstanding any other provision of this License, you have
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+
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+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
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+Program, unless a warranty or assumption of liability accompanies a
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+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<https://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<https://www.gnu.org/licenses/why-not-lgpl.html>.

packages/wyatt_deferred_widget_gen/README.md

@@ -0,0 +1,50 @@
+<!--
+ * Copyright (C) 2023 WYATT GROUP
+ * Please see the AUTHORS file for details.
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ * 
+ * This program is distributed in the hope that it will be useful, 
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+-->
+
+# Flutter - Wyatt Deferred Widget Gen
+
+<p align="left">
+  <a href="https://git.wyatt-studio.fr/Wyatt-FOSS/wyatt-packages/src/branch/master/packages/wyatt_analysis"><img src="https://img.shields.io/badge/Style-Wyatt%20Analysis-blue.svg?style=flat-square" alt="Style: Wyatt Analysis" /></a>
+  <img src="https://img.shields.io/badge/SDK-Flutter-blue?style=flat-square" alt="SDK: Flutter" />
+</p>
+
+A package by wyatt studio
+
+## 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/wyatt_deferred_widget_gen/analysis_options.yaml

@@ -0,0 +1,33 @@
+
+include: package:wyatt_analysis/analysis_options.flutter.yaml
+
+
+
+
+
+
+analyzer:
+  plugins:
+    - dart_code_metrics
+
+dart_code_metrics:
+  anti-patterns:
+    - long-method
+    - long-parameter-list
+  metrics:
+    cyclomatic-complexity: 20
+    maximum-nesting-level: 5
+    number-of-parameters: 4
+    source-lines-of-code: 50
+  metrics-exclude:
+    - test/**
+  rules:
+    - newline-before-return
+    - no-boolean-literal-compare
+    - no-empty-block
+    - prefer-trailing-comma
+    - prefer-conditional-expressions
+    - no-equal-then-else
+    - avoid-border-all
+    - prefer-const-border-radius
+    - prefer-using-list-view

packages/wyatt_deferred_widget_gen/build.yaml

@@ -0,0 +1,24 @@
+targets:
+  $default:
+    builders:
+      deferred_widget:
+        enabled: true
+        generate_for:
+          exclude:
+            - test
+            - example
+          include:
+            - test/gen_*
+
+builders:
+  deferred_widget:
+    # library URI containing the builder - maps to `lib/member_count_library_generator.dart`
+    import: "package:wyatt_deferred_widget_gen/wyatt_deferred_widget_gen.dart"
+    # Name of the function in the above library to call.
+    builder_factories: ["deferredWidgetBuilder"]
+    # The mapping from the source extension to the generated file extension
+    build_extensions: {".dart": [".deferred.dart"]}
+    # Will automatically run on any package that depends on it
+    auto_apply: dependents
+    # Generate the output directly into the package, not to a hidden cache dir
+    build_to: source

packages/wyatt_deferred_widget_gen/example/.gitignore

@@ -0,0 +1,44 @@
+# 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
+**/doc/api/
+**/ios/Flutter/.last_build_id
+.dart_tool/
+.flutter-plugins
+.flutter-plugins-dependencies
+.packages
+.pub-cache/
+.pub/
+/build/
+
+# Symbolication related
+app.*.symbols
+
+# Obfuscation related
+app.*.map.json
+
+# Android Studio will place build artifacts here
+/android/app/debug
+/android/app/profile
+/android/app/release

packages/wyatt_deferred_widget_gen/example/.metadata

@@ -0,0 +1,30 @@
+# 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: b06b8b2710955028a6b562f5aa6fe62941d6febf
+  channel: stable
+
+project_type: app
+
+# Tracks metadata for the flutter migrate command
+migration:
+  platforms:
+    - platform: root
+      create_revision: b06b8b2710955028a6b562f5aa6fe62941d6febf
+      base_revision: b06b8b2710955028a6b562f5aa6fe62941d6febf
+    - platform: web
+      create_revision: b06b8b2710955028a6b562f5aa6fe62941d6febf
+      base_revision: b06b8b2710955028a6b562f5aa6fe62941d6febf
+
+  # 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/wyatt_deferred_widget_gen/example/README.md

@@ -0,0 +1,16 @@
+# example
+
+A new Flutter project.
+
+## Getting Started
+
+This project is a starting point for a Flutter application.
+
+A few resources to get you started if this is your first Flutter project:
+
+- [Lab: Write your first Flutter app](https://docs.flutter.dev/get-started/codelab)
+- [Cookbook: Useful Flutter samples](https://docs.flutter.dev/cookbook)
+
+For help getting started with Flutter development, view the
+[online documentation](https://docs.flutter.dev/), which offers tutorials,
+samples, guidance on mobile development, and a full API reference.

packages/wyatt_deferred_widget_gen/example/analysis_options.yaml

@@ -0,0 +1,7 @@
+
+include: package:wyatt_analysis/analysis_options.flutter.yaml
+
+
+
+
+

packages/wyatt_deferred_widget_gen/example/lib/main.dart

@@ -0,0 +1,41 @@
+// Copyright (C) 2023 WYATT GROUP
+// Please see the AUTHORS file for details.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+import 'package:flutter/material.dart';
+
+void main(List<String> args) {
+  runApp(const App());
+}
+
+class App extends StatelessWidget {
+  const App({super.key});
+
+  static const String title = 'Wyatt Deferred Widget Gen Example';
+
+  @override
+  Widget build(BuildContext context) => MaterialApp(
+        title: title,
+        theme: ThemeData(
+          primarySwatch: Colors.blue,
+        ),
+        home: Scaffold(
+          appBar: AppBar(
+            title: const Text(title),
+          ),
+          body: const Center(child: Text('Title')),
+        ),
+      );
+}

packages/wyatt_deferred_widget_gen/example/lib/my_awesome_widget1.dart

@@ -0,0 +1,35 @@
+// Copyright (C) 2023 WYATT GROUP
+// Please see the AUTHORS file for details.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+import 'package:flutter/material.dart';
+import 'package:wyatt_deferred_widget_annotation/wyatt_deferred_widget_annotation.dart';
+
+@Deferred()
+class MyAwesomeWidget1 extends StatelessWidget {
+  const MyAwesomeWidget1({required this.color, super.key});
+
+  final Color color;
+
+  @override
+  Widget build(BuildContext context) => Container(
+        height: MediaQuery.of(context).size.height,
+        width: MediaQuery.of(context).size.width,
+        color: color,
+        child: const Center(
+          child: Text('MyAwesomeWidget1'),
+        ),
+      );
+}

packages/wyatt_deferred_widget_gen/example/pubspec.yaml

@@ -0,0 +1,29 @@
+name: wyatt_deferred_widget_gen_example
+description: A new Flutter project.
+version: 1.0.0
+
+publish_to: "none"
+
+environment:
+  sdk: ">=2.19.0 <3.0.0"
+
+dependencies:
+  flutter: { sdk: flutter }
+
+  wyatt_deferred_widget_annotation:
+    git:
+      url: ssh://git@git.wyatt-studio.fr:993/Wyatt-FOSS/wyatt-packages.git
+      path: packages/wyatt_deferred_widget_annotation
+
+dev_dependencies:
+  flutter_test: { sdk: flutter }
+  build_runner: ^2.3.3
+  wyatt_deferred_widget_gen:
+    path: "../"
+  wyatt_analysis:
+    hosted: https://git.wyatt-studio.fr/api/packages/Wyatt-FOSS/pub
+    version: ^2.4.0
+
+# The following section is specific to Flutter.
+flutter:
+  uses-material-design: true

packages/wyatt_deferred_widget_gen/example/web/index.html

@@ -0,0 +1,59 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <!--
+    If you are serving your web app in a path other than the root, change the
+    href value below to reflect the base path you are serving from.
+
+    The path provided below has to start and end with a slash "/" in order for
+    it to work correctly.
+
+    For more details:
+    * https://developer.mozilla.org/en-US/docs/Web/HTML/Element/base
+
+    This is a placeholder for base href that will be replaced by the value of
+    the `--base-href` argument provided to `flutter build`.
+  -->
+  <base href="$FLUTTER_BASE_HREF">
+
+  <meta charset="UTF-8">
+  <meta content="IE=Edge" http-equiv="X-UA-Compatible">
+  <meta name="description" content="A new Flutter project.">
+
+  <!-- iOS meta tags & icons -->
+  <meta name="apple-mobile-web-app-capable" content="yes">
+  <meta name="apple-mobile-web-app-status-bar-style" content="black">
+  <meta name="apple-mobile-web-app-title" content="example">
+  <link rel="apple-touch-icon" href="icons/Icon-192.png">
+
+  <!-- Favicon -->
+  <link rel="icon" type="image/png" href="favicon.png"/>
+
+  <title>example</title>
+  <link rel="manifest" href="manifest.json">
+
+  <script>
+    // The value below is injected by flutter build, do not touch.
+    var serviceWorkerVersion = null;
+  </script>
+  <!-- This script adds the flutter initialization JS code -->
+  <script src="flutter.js" defer></script>
+</head>
+<body>
+  <script>
+    window.addEventListener('load', function(ev) {
+      // Download main.dart.js
+      _flutter.loader.loadEntrypoint({
+        serviceWorker: {
+          serviceWorkerVersion: serviceWorkerVersion,
+        },
+        onEntrypointLoaded: function(engineInitializer) {
+          engineInitializer.initializeEngine().then(function(appRunner) {
+            appRunner.runApp();
+          });
+        }
+      });
+    });
+  </script>
+</body>
+</html>

packages/wyatt_deferred_widget_gen/example/web/manifest.json

@@ -0,0 +1,35 @@
+{
+    "name": "example",
+    "short_name": "example",
+    "start_url": ".",
+    "display": "standalone",
+    "background_color": "#0175C2",
+    "theme_color": "#0175C2",
+    "description": "A new Flutter project.",
+    "orientation": "portrait-primary",
+    "prefer_related_applications": false,
+    "icons": [
+        {
+            "src": "icons/Icon-192.png",
+            "sizes": "192x192",
+            "type": "image/png"
+        },
+        {
+            "src": "icons/Icon-512.png",
+            "sizes": "512x512",
+            "type": "image/png"
+        },
+        {
+            "src": "icons/Icon-maskable-192.png",
+            "sizes": "192x192",
+            "type": "image/png",
+            "purpose": "maskable"
+        },
+        {
+            "src": "icons/Icon-maskable-512.png",
+            "sizes": "512x512",
+            "type": "image/png",
+            "purpose": "maskable"
+        }
+    ]
+}

packages/wyatt_deferred_widget_gen/lib/src/generators/deferred_widget_generator.dart

@@ -0,0 +1,52 @@
+// Copyright (C) 2023 WYATT GROUP
+// Please see the AUTHORS file for details.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+import 'dart:async';
+
+import 'package:analyzer/dart/element/element.dart';
+import 'package:build/build.dart';
+import 'package:source_gen/source_gen.dart';
+import 'package:wyatt_deferred_widget_annotation/wyatt_deferred_widget_annotation.dart';
+
+class DeferredWidgetGenerator extends GeneratorForAnnotation<Deferred> {
+  @override
+  FutureOr<String> generateForAnnotatedElement(
+    Element element,
+    ConstantReader annotation,
+    BuildStep buildStep,
+  ) {
+    /// Check element type
+    if (element is! ClassElement) {
+      throw InvalidGenerationSourceError(
+        'Only classes can be annotated with "Deferred". "$element" is '
+        'not a ClassElement.',
+        element: element,
+      );
+    }
+
+    print(element.location);
+
+//     final generatedCode = StringBuffer()
+//       ..write('''
+// import 'package:flutter/material.dart';
+// import 'package:wyatt_deferred_widget_annotation/wyatt_deferred_widget_annotation.dart';
+// import 'package:wyatt_deferred_widget_annotation_example/widgets/my_awesome_widget2.dart'
+//     deferred as my_awesome_widget2;
+
+// ''');
+    return '';
+  }
+}

packages/wyatt_deferred_widget_gen/lib/wyatt_deferred_widget_gen.dart

@@ -0,0 +1,29 @@
+// Copyright (C) 2023 WYATT GROUP
+// Please see the AUTHORS file for details.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+/// A package by wyatt studio
+library wyatt_deferred_widget_gen;
+
+import 'package:build/build.dart';
+import 'package:source_gen/source_gen.dart';
+import 'package:wyatt_deferred_widget_gen/wyatt_deferred_widget_gen.dart';
+
+export './src/generators/deferred_widget_generator.dart';
+
+Builder deferredWidgetBuilder(BuilderOptions options) => LibraryBuilder(
+      DeferredWidgetGenerator(),
+      generatedExtension: '.deferred.dart',
+    );

packages/wyatt_deferred_widget_gen/pubspec.yaml

@@ -0,0 +1,32 @@
+name: wyatt_deferred_widget_gen
+description: A package by wyatt studio.
+repository: https://git.wyatt-studio.fr/Wyatt-FOSS/wyatt-packages/src/branch/master/packages/wyatt_deferred_widget_gen
+version: 1.0.0
+
+environment:
+  sdk: ">=2.19.0 <3.0.0"
+
+dependencies:
+  flutter: { sdk: flutter }
+
+  build: ^2.3.1
+  source_gen: ^1.2.7
+  analyzer: ^5.4.0
+
+  wyatt_deferred_widget_annotation:
+    git:
+      url: ssh://git@git.wyatt-studio.fr:993/Wyatt-FOSS/wyatt-packages.git
+      path: packages/wyatt_deferred_widget_annotation
+
+dev_dependencies:
+  flutter_test: { sdk: flutter }
+
+  dart_code_metrics: ^5.5.1
+
+  wyatt_analysis:
+    hosted: https://git.wyatt-studio.fr/api/packages/Wyatt-FOSS/pub
+    version: ^2.4.0
+
+# The following section is specific to Flutter.
+flutter:
+  uses-material-design: true

packages/wyatt_deferred_widget_gen/test/wyatt_deferred_widget_gen_test.dart

@@ -0,0 +1 @@
+// TODO(wyatt): add some tests