feat: only add "dart format off" when formatting is disabled

Author: Tienisto

slang/example/lib/i18n/strings.g.dart

@@ -6,10 +6,11 @@
 /// Locales: 3
 /// Strings: 21 (7 per locale)
 ///
-/// Built on 2025-03-03 at 05:43 UTC
+/// Built on 2025-11-03 at 21:59 UTC
 
 // coverage:ignore-file
 // ignore_for_file: type=lint, unused_import
+// dart format off
 
 import 'package:flutter/widgets.dart';
 import 'package:intl/intl.dart';

slang/example/lib/i18n/strings_de.g.dart

@@ -3,6 +3,7 @@
 ///
 // coverage:ignore-file
 // ignore_for_file: type=lint, unused_import
+// dart format off
 
 import 'package:flutter/widgets.dart';
 import 'package:intl/intl.dart';
@@ -63,7 +64,7 @@ class _TranslationsMainScreenDe implements TranslationsMainScreenEn {
 /// Only for edge cases! For simple maps, use the map function of this library.
 ///
 /// The Dart AOT compiler has issues with very large switch statements,
-/// so the map is split into smaller functions (1024 entries each).
+/// so the map is split into smaller functions (512 entries each).
 extension on TranslationsDe {
 	dynamic _flatMapFunction(String path) {
 		return _flatMapFunction$0(path);

slang/example/lib/i18n/strings_en.g.dart

@@ -3,6 +3,7 @@
 ///
 // coverage:ignore-file
 // ignore_for_file: type=lint, unused_import
+// dart format off
 
 part of 'strings.g.dart';
 
@@ -72,7 +73,7 @@ class TranslationsMainScreenEn {
 /// Only for edge cases! For simple maps, use the map function of this library.
 ///
 /// The Dart AOT compiler has issues with very large switch statements,
-/// so the map is split into smaller functions (1024 entries each).
+/// so the map is split into smaller functions (512 entries each).
 extension on Translations {
 	dynamic _flatMapFunction(String path) {
 		return _flatMapFunction$0(path);

slang/example/lib/i18n/strings_fr_FR.g.dart

@@ -3,6 +3,7 @@
 ///
 // coverage:ignore-file
 // ignore_for_file: type=lint, unused_import
+// dart format off
 
 import 'package:flutter/widgets.dart';
 import 'package:intl/intl.dart';
@@ -63,7 +64,7 @@ class _TranslationsMainScreenFrFr implements TranslationsMainScreenEn {
 /// Only for edge cases! For simple maps, use the map function of this library.
 ///
 /// The Dart AOT compiler has issues with very large switch statements,
-/// so the map is split into smaller functions (1024 entries each).
+/// so the map is split into smaller functions (512 entries each).
 extension on TranslationsFrFr {
 	dynamic _flatMapFunction(String path) {
 		return _flatMapFunction$0(path);

slang/lib/src/builder/builder/generate_config_builder.dart

@@ -32,6 +32,7 @@ class GenerateConfigBuilder {
       contexts: contexts,
       interface: interfaces,
       obfuscation: config.obfuscation,
+      format: config.format,
       autodoc: config.autodoc,
       imports: config.imports,
     );

slang/lib/src/builder/generator/generate_header.dart

@@ -121,11 +121,11 @@ void _generateHeaderComment({
 
 // coverage:ignore-file
 // ignore_for_file: type=lint, unused_import
-// dart format off''');
+${!config.format.enabled ? '// dart format off' : ''}
+''');
 }
 
 void _generateImports(GenerateConfig config, StringBuffer buffer) {
-  buffer.writeln();
   final imports = [
     ...config.imports,
     'package:intl/intl.dart',

slang/lib/src/builder/generator/generate_translations.dart

@@ -36,7 +36,7 @@ String generateTranslations(GenerateConfig config, I18nData localeData,
 ///
 // coverage:ignore-file
 // ignore_for_file: type=lint, unused_import
-// dart format off
+${!config.format.enabled ? '// dart format off' : ''}
 ''');
 
   if (localeData.base) {

slang/lib/src/builder/model/generate_config.dart

@@ -2,6 +2,7 @@ import 'package:slang/src/builder/model/autodoc_config.dart';
 import 'package:slang/src/builder/model/build_model_config.dart';
 import 'package:slang/src/builder/model/context_type.dart';
 import 'package:slang/src/builder/model/enums.dart';
+import 'package:slang/src/builder/model/format_config.dart';
 import 'package:slang/src/builder/model/i18n_locale.dart';
 import 'package:slang/src/builder/model/interface.dart';
 import 'package:slang/src/builder/model/obfuscation_config.dart';
@@ -28,6 +29,7 @@ class GenerateConfig {
   final List<PopulatedContextType> contexts;
   final List<Interface> interface; // may include more than in build config
   final ObfuscationConfig obfuscation;
+  final FormatConfig format;
   final AutodocConfig autodoc;
   final List<String> imports;
 
@@ -51,6 +53,7 @@ class GenerateConfig {
     required this.contexts,
     required this.interface,
     required this.obfuscation,
+    required this.format,
     required this.autodoc,
     required this.imports,
   });