feat(dynamite): allow per spec configuration

Signed-off-by: Nikolas Rimikis <leptopoda@users.noreply.github.com>

packages/dynamite/dynamite/README.md

@@ -26,5 +26,10 @@ targets:
             - 'factory .*\.fromJson\(Map<String, dynamic> json\) => _jsonSerializers\.deserializeWith\(serializer, json\)!;'
             - 'Map<String, dynamic> toJson\(\) => _jsonSerializers\.serializeWith\(serializer, this\)! as Map<String, dynamic>;'
             - 'static BuiltSet<.*> get values => _\$.*Values;'
+          overrides:
+            # Tighten linting rules for specific specs
+            lib/my_spec.openapi.json:
+              analyzer_ignores:
+                - camel_case_types
 
 ```

packages/dynamite/dynamite/lib/src/models/dynamite_config/config.dart

@@ -33,6 +33,66 @@ abstract class DynamiteConfig implements Built<DynamiteConfig, DynamiteConfigBui
 
   /// The specified line with the formatter should use.
   int? get pageWidth;
+
+  /// A collection of dynamite configs for a specific file.
+  ///
+  /// This parameter is only supported for the top level config.
+  // overrides is reserved in the build.yaml
+  BuiltMap<String, DynamiteConfig>? get overrides;
+
+  /// Whether to apply code optimizations.
+  ///
+  /// The built code will adhere more to the dart code style but is equally as valid.
+  bool get applyOptimizations;
+
+  @BuiltValueHook(initializeBuilder: true)
+  static void _defaults(final DynamiteConfigBuilder b) {
+    b.applyOptimizations = true;
+  }
+
+  /// Gets the config for the given [uri].
+  ///
+  /// Returns this if no override is set.
+  DynamiteConfig configFor(final String uri) {
+    if (overrides == null) {
+      return this;
+    }
+
+    DynamiteConfig? override;
+    for (final entry in overrides!.entries) {
+      if (RegExp(entry.key).hasMatch(uri)) {
+        override = entry.value;
+        break;
+      }
+    }
+
+    if (override == null) {
+      return this;
+    }
+
+    return merge(override);
+  }
+
+  /// Merges `this` config with the given [override].
+  ///
+  /// Throws a [ArgumentError] if the override has overrides itself.
+  DynamiteConfig merge(final DynamiteConfig other) {
+    if (other.overrides != null) {
+      throw ArgumentError('Configs can only be merged with a config that does not have further overrides');
+    }
+
+    return rebuild((final b) {
+      final analyzerIgnores = other.analyzerIgnores;
+      if (analyzerIgnores != null) {
+        b.analyzerIgnores.replace(analyzerIgnores);
+      }
+
+      final coverageIgnores = other.coverageIgnores;
+      if (coverageIgnores != null) {
+        b.coverageIgnores.replace(coverageIgnores);
+      }
+    });
+  }
 }
 
 @SerializersFor([

packages/dynamite/dynamite/lib/src/models/dynamite_config/config.g.dart

@@ -9,7 +9,9 @@ part of 'config.dart';
 Serializers _$_serializers = (Serializers().toBuilder()
       ..add(DynamiteConfig.serializer)
       ..addBuilderFactory(const FullType(BuiltSet, [FullType(String)]), () => SetBuilder<String>())
-      ..addBuilderFactory(const FullType(BuiltSet, [FullType(String)]), () => SetBuilder<String>()))
+      ..addBuilderFactory(const FullType(BuiltSet, [FullType(String)]), () => SetBuilder<String>())
+      ..addBuilderFactory(const FullType(BuiltMap, [FullType(String), FullType(DynamiteConfig)]),
+          () => MapBuilder<String, DynamiteConfig>()))
     .build();
 Serializer<DynamiteConfig> _$dynamiteConfigSerializer = _$DynamiteConfigSerializer();
 
@@ -22,7 +24,10 @@ class _$DynamiteConfigSerializer implements StructuredSerializer<DynamiteConfig>
   @override
   Iterable<Object?> serialize(Serializers serializers, DynamiteConfig object,
       {FullType specifiedType = FullType.unspecified}) {
-    final result = <Object?>[];
+    final result = <Object?>[
+      'applyOptimizations',
+      serializers.serialize(object.applyOptimizations, specifiedType: const FullType(bool)),
+    ];
     Object? value;
     value = object.analyzerIgnores;
     if (value != null) {
@@ -42,6 +47,13 @@ class _$DynamiteConfigSerializer implements StructuredSerializer<DynamiteConfig>
         ..add('pageWidth')
         ..add(serializers.serialize(value, specifiedType: const FullType(int)));
     }
+    value = object.overrides;
+    if (value != null) {
+      result
+        ..add('overrides')
+        ..add(serializers.serialize(value,
+            specifiedType: const FullType(BuiltMap, [FullType(String), FullType(DynamiteConfig)])));
+    }
     return result;
   }
 
@@ -67,6 +79,13 @@ class _$DynamiteConfigSerializer implements StructuredSerializer<DynamiteConfig>
         case 'pageWidth':
           result.pageWidth = serializers.deserialize(value, specifiedType: const FullType(int)) as int?;
           break;
+        case 'overrides':
+          result.overrides.replace(serializers.deserialize(value,
+              specifiedType: const FullType(BuiltMap, [FullType(String), FullType(DynamiteConfig)]))!);
+          break;
+        case 'applyOptimizations':
+          result.applyOptimizations = serializers.deserialize(value, specifiedType: const FullType(bool))! as bool;
+          break;
       }
     }
 
@@ -81,11 +100,19 @@ class _$DynamiteConfig extends DynamiteConfig {
   final BuiltSet<String>? coverageIgnores;
   @override
   final int? pageWidth;
+  @override
+  final BuiltMap<String, DynamiteConfig>? overrides;
+  @override
+  final bool applyOptimizations;
 
   factory _$DynamiteConfig([void Function(DynamiteConfigBuilder)? updates]) =>
       (DynamiteConfigBuilder()..update(updates))._build();
 
-  _$DynamiteConfig._({this.analyzerIgnores, this.coverageIgnores, this.pageWidth}) : super._();
+  _$DynamiteConfig._(
+      {this.analyzerIgnores, this.coverageIgnores, this.pageWidth, this.overrides, required this.applyOptimizations})
+      : super._() {
+    BuiltValueNullFieldError.checkNotNull(applyOptimizations, r'DynamiteConfig', 'applyOptimizations');
+  }
 
   @override
   DynamiteConfig rebuild(void Function(DynamiteConfigBuilder) updates) => (toBuilder()..update(updates)).build();
@@ -99,7 +126,9 @@ class _$DynamiteConfig extends DynamiteConfig {
     return other is DynamiteConfig &&
         analyzerIgnores == other.analyzerIgnores &&
         coverageIgnores == other.coverageIgnores &&
-        pageWidth == other.pageWidth;
+        pageWidth == other.pageWidth &&
+        overrides == other.overrides &&
+        applyOptimizations == other.applyOptimizations;
   }
 
   @override
@@ -108,6 +137,8 @@ class _$DynamiteConfig extends DynamiteConfig {
     _$hash = $jc(_$hash, analyzerIgnores.hashCode);
     _$hash = $jc(_$hash, coverageIgnores.hashCode);
     _$hash = $jc(_$hash, pageWidth.hashCode);
+    _$hash = $jc(_$hash, overrides.hashCode);
+    _$hash = $jc(_$hash, applyOptimizations.hashCode);
     _$hash = $jf(_$hash);
     return _$hash;
   }
@@ -117,7 +148,9 @@ class _$DynamiteConfig extends DynamiteConfig {
     return (newBuiltValueToStringHelper(r'DynamiteConfig')
           ..add('analyzerIgnores', analyzerIgnores)
           ..add('coverageIgnores', coverageIgnores)
-          ..add('pageWidth', pageWidth))
+          ..add('pageWidth', pageWidth)
+          ..add('overrides', overrides)
+          ..add('applyOptimizations', applyOptimizations))
         .toString();
   }
 }
@@ -137,7 +170,17 @@ class DynamiteConfigBuilder implements Builder<DynamiteConfig, DynamiteConfigBui
   int? get pageWidth => _$this._pageWidth;
   set pageWidth(int? pageWidth) => _$this._pageWidth = pageWidth;
 
-  DynamiteConfigBuilder();
+  MapBuilder<String, DynamiteConfig>? _overrides;
+  MapBuilder<String, DynamiteConfig> get overrides => _$this._overrides ??= MapBuilder<String, DynamiteConfig>();
+  set overrides(MapBuilder<String, DynamiteConfig>? overrides) => _$this._overrides = overrides;
+
+  bool? _applyOptimizations;
+  bool? get applyOptimizations => _$this._applyOptimizations;
+  set applyOptimizations(bool? applyOptimizations) => _$this._applyOptimizations = applyOptimizations;
+
+  DynamiteConfigBuilder() {
+    DynamiteConfig._defaults(this);
+  }
 
   DynamiteConfigBuilder get _$this {
     final $v = _$v;
@@ -145,6 +188,8 @@ class DynamiteConfigBuilder implements Builder<DynamiteConfig, DynamiteConfigBui
       _analyzerIgnores = $v.analyzerIgnores?.toBuilder();
       _coverageIgnores = $v.coverageIgnores?.toBuilder();
       _pageWidth = $v.pageWidth;
+      _overrides = $v.overrides?.toBuilder();
+      _applyOptimizations = $v.applyOptimizations;
       _$v = null;
     }
     return this;
@@ -171,7 +216,10 @@ class DynamiteConfigBuilder implements Builder<DynamiteConfig, DynamiteConfigBui
           _$DynamiteConfig._(
               analyzerIgnores: _analyzerIgnores?.build(),
               coverageIgnores: _coverageIgnores?.build(),
-              pageWidth: pageWidth);
+              pageWidth: pageWidth,
+              overrides: _overrides?.build(),
+              applyOptimizations:
+                  BuiltValueNullFieldError.checkNotNull(applyOptimizations, r'DynamiteConfig', 'applyOptimizations'));
     } catch (_) {
       late String _$failedField;
       try {
@@ -179,6 +227,9 @@ class DynamiteConfigBuilder implements Builder<DynamiteConfig, DynamiteConfigBui
         _analyzerIgnores?.build();
         _$failedField = 'coverageIgnores';
         _coverageIgnores?.build();
+
+        _$failedField = 'overrides';
+        _overrides?.build();
       } catch (e) {
         throw BuiltValueNestedFieldError(r'DynamiteConfig', _$failedField, e.toString());
       }

packages/dynamite/dynamite/lib/src/openapi_builder.dart

@@ -36,15 +36,15 @@ class OpenAPIBuilder implements Builder {
 
   @override
   Future<void> build(final BuildStep buildStep) async {
-    try {
-      final inputId = buildStep.inputId;
-      final outputId = inputId.changeExtension('.dart');
+    final inputId = buildStep.inputId;
+    final outputId = inputId.changeExtension('.dart');
 
-      final emitter = DartEmitter(
-        orderDirectives: true,
-        useNullSafetySyntax: true,
-      );
+    final emitter = DartEmitter(
+      orderDirectives: true,
+      useNullSafetySyntax: true,
+    );
 
+    try {
       final spec = switch (inputId.extension) {
         '.json' => openapi.serializers.deserializeWith(
             openapi.OpenAPI.serializer,
@@ -62,7 +62,8 @@ class OpenAPIBuilder implements Builder {
         throw Exception('Only OpenAPI between $minSupportedVersion and $maxSupportedVersion are supported.');
       }
 
-      final state = State(buildConfig);
+      final config = buildConfig.configFor(inputId.path);
+      final state = State(config);
 
       // Imports need to be generated after everything else so we know if we need the local part directive,
       // but they need to be added to the beginning of the output.