Add support for flutter shaders

Author: YaroCabbage

packages/command/bin/flutter_gen_command.dart

@@ -5,7 +5,6 @@ import 'package:flutter_gen_core/flutter_generator.dart';
 import 'package:flutter_gen_core/utils/cast.dart';
 import 'package:flutter_gen_core/version.gen.dart';
 
-
 void main(List<String> args) {
   final parser = ArgParser();
   parser.addOption(

packages/command/pubspec.yaml

@@ -1,6 +1,6 @@
 name: flutter_gen
 description: The Flutter code generator for your assets, fonts, colors, … — Get rid of all String-based APIs.
-version: 5.8.0
+version: 5.9.0
 homepage: https://github.com/FlutterGen/flutter_gen
 repository: https://github.com/FlutterGen/flutter_gen
 documentation: https://github.com/FlutterGen/flutter_gen
@@ -13,7 +13,7 @@ executables:
   fluttergen: flutter_gen_command
 
 dependencies:
-  flutter_gen_core: 5.8.0
+  flutter_gen_core: 5.9.0
   args: ^2.0.0
 
 dev_dependencies:

packages/command/test/flutter_gen_command_test.dart

@@ -4,7 +4,6 @@ import 'package:flutter_gen_core/version.gen.dart';
 import 'package:test/test.dart';
 import 'package:test_process/test_process.dart';
 
-
 final separator = Platform.pathSeparator;
 
 void main() {

packages/core/lib/flutter_generator.dart

@@ -4,6 +4,7 @@ import 'package:dart_style/dart_style.dart';
 import 'package:flutter_gen_core/generators/assets_generator.dart';
 import 'package:flutter_gen_core/generators/colors_generator.dart';
 import 'package:flutter_gen_core/generators/fonts_generator.dart';
+import 'package:flutter_gen_core/generators/shaders_generator.dart';
 import 'package:flutter_gen_core/settings/config.dart';
 import 'package:flutter_gen_core/utils/file.dart';
 import 'package:path/path.dart';
@@ -13,13 +14,15 @@ class FlutterGenerator {
     this.pubspecFile, {
     this.buildFile,
     this.assetsName = 'assets.gen.dart',
+    this.shadersName = 'shaders.gen.dart',
     this.colorsName = 'colors.gen.dart',
     this.fontsName = 'fonts.gen.dart',
   });
 
   final File pubspecFile;
   final File? buildFile;
   final String assetsName;
+  final String shadersName;
   final String colorsName;
   final String fontsName;
 
@@ -69,6 +72,17 @@ class FlutterGenerator {
       stdout.writeln('[FlutterGen] Generated: $assetsPath');
     }
 
+    if (flutterGen.shaders.enabled && flutter.shaders.isNotEmpty) {
+      final generated = await generateShaders(
+        ShadersGenConfig.fromConfig(pubspecFile, config),
+        formatter,
+      );
+      final shadersPath =
+          normalize(join(pubspecFile.parent.path, output, shadersName));
+      writer(generated, shadersPath);
+      stdout.writeln('[FlutterGen] Generated: $shadersPath');
+    }
+
     if (flutterGen.fonts.enabled && flutter.fonts.isNotEmpty) {
       final generated = generateFonts(
         FontsGenConfig.fromConfig(config),

packages/core/lib/generators/shaders_generator.dart

@@ -34,6 +34,24 @@ flutter_gen:
       class_name: Assets
     exclude: []
 
+  shaders:
+    # Optional
+    enabled: true
+    # Optional
+    outputs:
+      # Optional
+      # Set to true if you want this package to be a package dependency
+      # See: https://flutter.dev/docs/development/ui/assets-and-images#from-packages
+      package_parameter_enabled: false
+      # Optional
+      # Available values:
+      # - camel-case
+      # - snake-case
+      # - dot-delimiter
+      style: dot-delimiter
+      class_name: Shaders
+    exclude: []
+
   fonts:
     # Optional
     enabled: true
@@ -55,4 +73,6 @@ flutter:
   assets: []
   # See: https://flutter.dev/docs/cookbook/design/fonts#2-declare-the-font-in-the-pubspec
   fonts: []
+  # See: https://docs.flutter.dev/ui/design/graphics/fragment-shaders
+  shaders: []
 ''';

packages/core/lib/settings/config_default.dart

@@ -0,0 +1,19 @@
+class FlavoredShader {
+  const FlavoredShader({
+    required this.path,
+    this.flavors = const {},
+  });
+
+  final String path;
+  final Set<String> flavors;
+
+  FlavoredShader copyWith({String? path, Set<String>? flavors}) {
+    return FlavoredShader(
+      path: path ?? this.path,
+      flavors: flavors ?? this.flavors,
+    );
+  }
+
+  @override
+  String toString() => 'FlavoredShader(path: $path, flavors: $flavors)';
+}

packages/core/lib/settings/flavored_shader.dart

@@ -29,11 +29,15 @@ class Flutter {
   Flutter({
     required this.assets,
     required this.fonts,
+    required this.shaders,
   });
 
   @JsonKey(name: 'assets', required: true)
   final List<Object> assets;
 
+  @JsonKey(name: 'shaders', required: true)
+  final List<Object> shaders;
+
   @JsonKey(name: 'fonts', required: true)
   final List<FlutterFonts> fonts;
 
@@ -57,6 +61,7 @@ class FlutterGen {
     required this.lineLength,
     required this.parseMetadata,
     required this.assets,
+    required this.shaders,
     required this.fonts,
     required this.integrations,
     required this.colors,
@@ -74,6 +79,9 @@ class FlutterGen {
   @JsonKey(name: 'assets', required: true)
   final FlutterGenAssets assets;
 
+  @JsonKey(name: 'shaders', required: true)
+  final FlutterGenAssets shaders;
+
   @JsonKey(name: 'fonts', required: true)
   final FlutterGenFonts fonts;