Formatting Dart code + enforcing it on CI.

lib/src/model/accessor.dart

@@ -18,7 +18,6 @@ import 'package:dartdoc/src/warnings.dart';
 
 /// Getters and setters.
 class Accessor extends ModelElement {
-
   @override
   final PropertyAccessorElement2 element;
 

lib/src/model/class.dart

@@ -15,7 +15,6 @@ import 'package:dartdoc/src/model/model.dart';
 /// **inherited**: Filtered getters giving only inherited children.
 class Class extends InheritingContainer with Constructable, MixedInTypes {
   @override
-
   @override
   final ClassElement2 element;
 
@@ -75,8 +74,7 @@ class Class extends InheritingContainer with Constructable, MixedInTypes {
   bool get isFinal => element.isFinal && !element.isSealed;
 
   @override
-  bool get isImplementableInterface =>
-      element.isInterface && !element.isSealed;
+  bool get isImplementableInterface => element.isInterface && !element.isSealed;
 
   @override
   bool get isMixinClass => element.isMixinClass;

lib/src/model/constructor.dart

@@ -92,8 +92,7 @@ class Constructor extends ModelElement with ContainerMember, TypeParameters {
   @override
   Kind get kind => Kind.constructor;
 
-  late final Callable modelType =
-      getTypeFor(element.type, library) as Callable;
+  late final Callable modelType = getTypeFor(element.type, library) as Callable;
 
   @override
   String get name =>

lib/src/model/dynamic.dart

@@ -9,9 +9,8 @@ import 'package:dartdoc/src/model/kind.dart';
 import 'package:dartdoc/src/model/model.dart';
 
 class Dynamic extends ModelElement with HasNoPage {
-
-   @override
-   final Element2 element;
+  @override
+  final Element2 element;
 
   Dynamic(this.element, PackageGraph packageGraph)
       : super(Library.sentinel, packageGraph);

lib/src/model/extension_type.dart

@@ -10,9 +10,8 @@ import 'package:dartdoc/src/model/model.dart';
 import 'package:meta/meta.dart';
 
 class ExtensionType extends InheritingContainer with Constructable {
-
   @override
-  final ExtensionTypeElement2  element;
+  final ExtensionTypeElement2 element;
 
   late final ElementType representationType =
       getTypeFor(element.representation2.type, library);
@@ -45,13 +44,11 @@ class ExtensionType extends InheritingContainer with Constructable {
     ContainerAccessor? getter, setter;
     final fieldGetter = field.getter2;
     if (fieldGetter != null) {
-      getter = ContainerAccessor(
-          fieldGetter, library, packageGraph, this);
+      getter = ContainerAccessor(fieldGetter, library, packageGraph, this);
     }
     final fieldSetter = field.setter2;
     if (fieldSetter != null) {
-      setter = ContainerAccessor(
-          fieldSetter, library, packageGraph, this);
+      setter = ContainerAccessor(fieldSetter, library, packageGraph, this);
     }
     return getModelForPropertyInducingElement(field, library,
         getter: getter, setter: setter) as Field;

lib/src/model/field.dart

@@ -11,7 +11,6 @@ import 'package:dartdoc/src/model/model.dart';
 
 class Field extends ModelElement
     with GetterSetterCombo, ContainerMember, Inheritable {
-
   @override
   final FieldElement2 element;
 
@@ -33,8 +32,7 @@ class Field extends ModelElement
     super.packageGraph,
     this.getter,
     this.setter,
-  )   :
-        isInherited = false,
+  )   : isInherited = false,
         enclosingElement =
             ModelElement.for_(element.enclosingElement2, library, packageGraph)
                 as Container,
@@ -50,8 +48,7 @@ class Field extends ModelElement
     super.packageGraph,
     this.getter,
     this.setter,
-  )   :
-        isInherited = false,
+  )   : isInherited = false,
         assert(getter != null || setter != null) {
     getter?.enclosingCombo = this;
     setter?.enclosingCombo = this;
@@ -64,8 +61,7 @@ class Field extends ModelElement
     super.packageGraph,
     this.getter,
     this.setter,
-  )   : 
-        isInherited = true,
+  )   : isInherited = true,
         assert(getter != null || setter != null) {
     // Can't set `isInherited` to true if this is the defining element, because
     // that would mean it isn't inherited.

lib/src/model/library.dart

@@ -113,8 +113,7 @@ class Library extends ModelElement
   ///   not found in it's 'lib/src' directory, and it is not excluded.
   bool get isPublic {
     if (!super.isPublic) return false;
-    final sdkLib =
-        packageGraph.sdkLibrarySources[element.firstFragment.source];
+    final sdkLib = packageGraph.sdkLibrarySources[element.firstFragment.source];
     if (sdkLib != null && (sdkLib.isInternal || !sdkLib.isDocumented)) {
       return false;
     }

lib/src/model/method.dart

@@ -14,7 +14,6 @@ import 'package:dartdoc/src/model/model.dart';
 
 class Method extends ModelElement
     with ContainerMember, Inheritable, TypeParameters {
-
   @override
   final MethodElement2 element;
 
@@ -30,8 +29,8 @@ class Method extends ModelElement
     _calcTypeParameters();
   }
 
-  Method.inherited(this.element, this._enclosingContainer, super.library,
-      super.packageGraph,
+  Method.inherited(
+      this.element, this._enclosingContainer, super.library, super.packageGraph,
       {ExecutableMember? super.originalMember})
       : _isInherited = true {
     _calcTypeParameters();

lib/src/model/mixin.dart

@@ -12,7 +12,6 @@ import 'package:dartdoc/src/model_utils.dart' as model_utils;
 import 'package:meta/meta.dart';
 
 class Mixin extends InheritingContainer {
-
   @override
   final MixinElement2 element;
 

lib/src/model/model_function.dart

@@ -10,8 +10,8 @@ import 'package:dartdoc/src/model/model.dart';
 
 /// A [ModelElement] for a [TopLevelFunctionElement] that isn't part of a type definition.
 class ModelFunction extends ModelFunctionTyped with Categorization {
-  ModelFunction(TopLevelFunctionElement super.element, super.library,
-      super.packageGraph);
+  ModelFunction(
+      TopLevelFunctionElement super.element, super.library, super.packageGraph);
 
   bool get isStatic => element.isStatic;
 
@@ -82,8 +82,7 @@ class ModelFunctionTyped extends ModelElement with TypeParameters {
   @override
   Iterable<CommentReferable> get referenceParents => [library];
 
-  late final Callable modelType =
-      getTypeFor(element.type, library) as Callable;
+  late final Callable modelType = getTypeFor(element.type, library) as Callable;
 
   // For use in templates.
   bool get isProvidedByExtension => false;

lib/src/model/never.dart

@@ -8,7 +8,6 @@ import 'package:dartdoc/src/model/kind.dart';
 import 'package:dartdoc/src/model/model.dart';
 
 class NeverType extends ModelElement with HasNoPage {
-
   @override
   final Element2 element;
 

lib/src/model/parameter.dart

@@ -11,15 +11,13 @@ import 'package:dartdoc/src/model/kind.dart';
 import 'package:dartdoc/src/model/model.dart';
 
 class Parameter extends ModelElement with HasNoPage {
-
   @override
   final FormalParameterElement element;
 
   Parameter(this.element, super.library, super.packageGraph,
       {ParameterMember? super.originalMember});
 
-  String? get defaultValue =>
-      hasDefaultValue ? element.defaultValueCode : null;
+  String? get defaultValue => hasDefaultValue ? element.defaultValueCode : null;
 
   @override
   ModelElement? get enclosingElement {

lib/src/model/top_level_variable.dart

@@ -11,7 +11,6 @@ import 'package:dartdoc/src/model/model.dart';
 /// Top-level variables. But also picks up getters and setters?
 class TopLevelVariable extends ModelElement
     with GetterSetterCombo, Categorization {
-
   @override
   final TopLevelVariableElement2 element;
 
@@ -20,8 +19,8 @@ class TopLevelVariable extends ModelElement
   @override
   final Accessor? setter;
 
-  TopLevelVariable(this.element, super.library, super.packageGraph,
-      this.getter, this.setter) {
+  TopLevelVariable(this.element, super.library, super.packageGraph, this.getter,
+      this.setter) {
     getter?.enclosingCombo = this;
     setter?.enclosingCombo = this;
   }

lib/src/model/type_parameter.dart

@@ -9,7 +9,6 @@ import 'package:dartdoc/src/model/kind.dart';
 import 'package:dartdoc/src/model/model.dart';
 
 class TypeParameter extends ModelElement with HasNoPage {
-
   @override
   final TypeParameterElement2 element;
 

lib/src/model/typedef.dart

@@ -11,7 +11,6 @@ import 'package:dartdoc/src/model/model.dart';
 
 abstract class Typedef extends ModelElement
     with TypeParameters, Categorization {
-
   @override
   final TypeAliasElement2 element;