Housekeeping: language version 3.0, analyzer deprecations, pubspec update (#3412)

* Update language version to 3.0 and fix for latest analyzer

* Update pubspec dependencies to latest versions

* Update grind to 21 libraries... again?

Author: jcollins-g

lib/resources/docs.dart.js

@@ -103,7 +103,7 @@ class UndefinedElementType extends ElementType {
   @override
   String get name {
     if (type is VoidType) return 'void';
-    if (type.isDynamic) return 'dynamic';
+    if (type is DynamicType) return 'dynamic';
     assert(const {'Never'}.contains(typeElement!.name),
         'Unrecognized type for UndefinedElementType: ${type.toString()}');
     return typeElement!.name!;

lib/resources/docs.dart.js.map

@@ -5,7 +5,7 @@
 import 'package:dartdoc/src/model/model.dart';
 
 /// Classes extending this class have canonicalization support in Dartdoc.
-abstract /*mixin*/ class Canonicalization implements Locatable, Documentable {
+abstract mixin class Canonicalization implements Locatable, Documentable {
   bool get isCanonical;
 
   Library? get canonicalLibrary;

lib/src/element_type.dart

@@ -23,7 +23,7 @@ class Extension extends Container implements EnclosedElement {
 
   /// Detect if this extension applies to every object.
   bool get alwaysApplies =>
-      extendedType.instantiatedType.isDynamic ||
+      extendedType.instantiatedType is DynamicType ||
       extendedType.instantiatedType is VoidType ||
       extendedType.instantiatedType.isDartCoreObject;
 
@@ -32,7 +32,7 @@ class Extension extends Container implements EnclosedElement {
 
   /// Whether this extension could apply to [type].
   bool _couldApplyTo(DefinedElementType type) {
-    if (extendedType.instantiatedType.isDynamic ||
+    if (extendedType.instantiatedType is DynamicType ||
         extendedType.instantiatedType is VoidType) {
       return true;
     }

lib/src/model/canonicalization.dart

@@ -10,7 +10,7 @@ import 'package:dartdoc/src/model_utils.dart' as model_utils;
 ///
 /// Do not cache return values of any methods or members excepting [libraries]
 /// and [name] before finishing initialization of a [LibraryContainer].
-abstract /*mixin*/ class LibraryContainer
+abstract mixin class LibraryContainer
     implements Nameable, Comparable<LibraryContainer> {
   final List<Library> libraries = [];
 

lib/src/model/extension.dart

@@ -7,7 +7,7 @@ import 'package:collection/collection.dart';
 import 'locatable.dart';
 
 /// Something that has a name.
-abstract /*mixin*/ class Nameable {
+abstract mixin class Nameable {
   String get name;
 
   String get fullyQualifiedName => name;

lib/src/model/library_container.dart

@@ -5,43 +5,43 @@ description: A non-interactive HTML documentation generator for Dart source code
 repository: https://github.com/dart-lang/dartdoc
 
 environment:
-  sdk: '>=2.18.0 <4.0.0'
+  sdk: '>=3.0.0 <4.0.0'
 
 dependencies:
-  analyzer: ^5.7.1
-  args: ^2.3.0
-  cli_util: ">=0.3.5 <0.5.0"
+  analyzer: ^5.12.0
+  args: ^2.4.1
+  cli_util: ^0.4.0
   collection: ^1.17.0
-  crypto: ^3.0.1
+  crypto: ^3.0.3
   glob: ^2.1.1
-  html: ^0.15.0
-  logging: ^1.0.2
-  markdown: ^7.0.0
-  meta: ^1.7.0
-  package_config: ^2.0.2
-  path: ^1.8.0
-  pub_semver: ^2.1.3
-  source_span: ^1.8.1
-  yaml: ^3.1.0
+  html: ^0.15.3
+  logging: ^1.1.1
+  markdown: ^7.1.0
+  meta: ^1.9.1
+  package_config: ^2.1.0
+  path: ^1.8.3
+  pub_semver: ^2.1.4
+  source_span: ^1.10.0
+  yaml: ^3.1.2
 
 dev_dependencies:
-  async: ^2.8.2
-  build: ^2.3.1
-  build_runner: ^2.3.0
-  build_test: ^2.1.6
+  async: ^2.11.0
+  build: ^2.4.0
+  build_runner: ^2.4.2
+  build_test: ^2.1.7
   build_version: ^2.1.1
   code_builder: ^4.4.0
-  coverage: ^1.0.3
-  dart_style: ^2.2.0
-  grinder: ^0.9.3
-  http: ^0.13.3
-  js: ^0.6.5
-  lints: ^2.0.0
-  matcher: ^0.12.14
-  test: ^1.23.1
-  test_descriptor: ^2.0.0
-  test_process: ^2.0.2
-  test_reflective_loader: ^0.2.0
+  coverage: ^1.6.3
+  dart_style: ^2.3.1
+  grinder: ^0.9.4
+  http: ^0.13.6
+  js: ^0.6.7
+  lints: ^2.1.0
+  matcher: ^0.12.15
+  test: ^1.24.2
+  test_descriptor: ^2.0.1
+  test_process: ^2.0.3
+  test_reflective_loader: ^0.2.2
 
 executables:
   dartdoc: null

lib/src/model/nameable.dart

@@ -1285,8 +1285,8 @@ Future<void> testDartdocFlutterPlugin() async {
 @Depends(buildSdkDocs)
 void validateSdkDocs() {
   const expectedLibCounts = 0;
-  const expectedSubLibCount = {18, 19, 20};
-  const expectedTotalCount = {18, 19, 20};
+  const expectedSubLibCount = {19, 20, 21};
+  const expectedTotalCount = {19, 20, 21};
   var indexHtml = joinFile(_sdkDocsDir, ['index.html']);
   if (!indexHtml.existsSync()) {
     fail("No 'index.html' found for the SDK docs");

pubspec.yaml

@@ -209,7 +209,7 @@ import '${p.basename(_sourceUri.path)}';
       }
     } else if (type is TypeParameterType) {
       var bound = type.bound;
-      if (bound.isDynamic) {
+      if (bound is DynamicType) {
         // Don't add functions for a generic type, for example
         // `List<E>.first` has type `E`, which we don't have a specific
         // renderer for.
@@ -461,7 +461,7 @@ class ${renderer._rendererClassName}${renderer._typeParametersString}
       if (returnType is InterfaceType) {
         _writeProperty(renderer, property, returnType);
       } else if (returnType is TypeParameterType &&
-          !returnType.bound.isDynamic) {
+          returnType.bound is! DynamicType) {
         _writeProperty(renderer, property, returnType.bound as InterfaceType);
       }
     }