use the package:pedantic analysis options

analysis_options.yaml

@@ -1,3 +1,5 @@
+include: package:pedantic/analysis_options.yaml
+
 analyzer:
   exclude:
     - 'doc/**'

lib/src/dartdoc_options.dart

@@ -657,7 +657,7 @@ abstract class DartdocOption<T> {
   }
 
   /// Apply the function [visit] to [this] and all children.
-  void traverse(void visit(DartdocOption)) {
+  void traverse(void visit(DartdocOption option)) {
     visit(this);
     _children.values.forEach((d) => d.traverse(visit));
   }
@@ -832,7 +832,7 @@ class DartdocOptionSet extends DartdocOption<Null> {
 
   /// Traverse skips this node, because it doesn't represent a real configuration object.
   @override
-  void traverse(void visitor(DartdocOption)) {
+  void traverse(void visitor(DartdocOption option)) {
     _children.values.forEach((d) => d.traverse(visitor));
   }
 }
@@ -884,12 +884,12 @@ class DartdocOptionArgFile<T> extends DartdocOption<T>
   DartdocOptionArgFile(String name, T defaultsTo,
       {String abbr,
       bool mustExist = false,
-      String help: '',
+      String help = '',
       bool hide = false,
       bool isDir = false,
       bool isFile = false,
       bool negatable = false,
-      bool parentDirOverridesChild: false,
+      bool parentDirOverridesChild = false,
       bool splitCommas})
       : super(name, defaultsTo, help, isDir, isFile, mustExist, null) {
     _abbr = abbr;
@@ -936,10 +936,10 @@ class DartdocOptionFileOnly<T> extends DartdocOption<T>
   bool _parentDirOverridesChild;
   DartdocOptionFileOnly(String name, T defaultsTo,
       {bool mustExist = false,
-      String help: '',
+      String help = '',
       bool isDir = false,
       bool isFile = false,
-      bool parentDirOverridesChild: false,
+      bool parentDirOverridesChild = false,
       T Function(YamlMap, pathLib.Context) convertYamlToType})
       : super(name, defaultsTo, help, isDir, isFile, mustExist,
             convertYamlToType) {

lib/src/element_type.dart

@@ -318,7 +318,7 @@ class GenericTypeAliasElementType extends TypeParameterElementType
     with GenericTypeAliasElementTypeMixin {
   GenericTypeAliasElementType(TypeParameterType t, PackageGraph packageGraph,
       ModelElement element, ElementType returnedFrom)
-      : super(t, packageGraph, element, returnedFrom) {}
+      : super(t, packageGraph, element, returnedFrom);
 }
 
 /// A Callable generic type alias that may or may not have a name.

lib/src/html/html_generator.dart

@@ -128,7 +128,7 @@ class HtmlGeneratorOptions implements HtmlOptions {
       this.relCanonicalPrefix,
       this.faviconPath,
       String toolVersion,
-      this.prettyIndexJson: false})
+      this.prettyIndexJson = false})
       : this.toolVersion = toolVersion ?? 'unknown';
 }
 

lib/src/io_utils.dart

@@ -36,7 +36,7 @@ String resolveTildePath(String originalPath) {
 ///
 /// The returned paths are guaranteed to begin with [dir].
 Iterable<String> listDir(String dir,
-    {bool recursive: false,
+    {bool recursive = false,
     Iterable<FileSystemEntity> listDir(Directory dir)}) {
   if (listDir == null) listDir = (Directory dir) => dir.listSync();
 

lib/src/markdown_processor.dart

@@ -153,7 +153,7 @@ final RegExp _hide_schemes = new RegExp('^(http|https)://');
 class MatchingLinkResult {
   final ModelElement element;
   final bool warn;
-  MatchingLinkResult(this.element, {this.warn: true});
+  MatchingLinkResult(this.element, {this.warn = true});
 }
 
 class IterableBlockParser extends md.BlockParser {
@@ -933,7 +933,7 @@ class MarkdownDocument extends md.Document {
 
 class Documentation {
   final Canonicalization _element;
-  Documentation.forElement(this._element) {}
+  Documentation.forElement(this._element);
 
   bool _hasExtendedDocs;
   bool get hasExtendedDocs {

lib/src/model.dart

@@ -38,7 +38,7 @@ import 'package:analyzer/src/dart/sdk/sdk.dart';
 import 'package:analyzer/src/generated/engine.dart' hide AnalysisResult;
 import 'package:analyzer/src/generated/java_io.dart';
 import 'package:analyzer/src/generated/resolver.dart'
-    show Namespace, NamespaceBuilder, InheritanceManager;
+    show Namespace, NamespaceBuilder, InheritanceManager; // ignore: deprecated_member_use
 import 'package:analyzer/src/generated/sdk.dart';
 import 'package:analyzer/src/generated/source.dart';
 import 'package:analyzer/src/generated/source_io.dart';
@@ -1043,9 +1043,9 @@ class Class extends ModelElement
   List<ExecutableElement> get _inheritedElements {
     if (__inheritedElements == null) {
       Map<String, ExecutableElement> cmap = definingLibrary.inheritanceManager
-          .getMembersInheritedFromClasses(element);
+          .getMembersInheritedFromClasses(element); // ignore: deprecated_member_use
       Map<String, ExecutableElement> imap = definingLibrary.inheritanceManager
-          .getMembersInheritedFromInterfaces(element);
+          .getMembersInheritedFromInterfaces(element); // ignore: deprecated_member_use
       __inheritedElements = new List.from(cmap.values)
         ..addAll(imap.values.where((e) => !cmap.containsKey(e.name)));
     }
@@ -1515,15 +1515,15 @@ abstract class Canonicalization implements Locatable, Documentable {
     // Penalty for deprecated libraries.
     if (lib.isDeprecated) scoredCandidate.alterScore(-1.0, 'is deprecated');
     // Give a big boost if the library has the package name embedded in it.
-    if (lib.package.namePieces.intersection(lib.namePieces).length > 0) {
+    if (lib.package.namePieces.intersection(lib.namePieces).isEmpty) {
       scoredCandidate.alterScore(1.0, 'embeds package name');
     }
     // Give a tiny boost for libraries with long names, assuming they're
     // more specific (and therefore more likely to be the owner of this symbol).
     scoredCandidate.alterScore(.01 * lib.namePieces.length, 'name is long');
     // If we don't know the location of this element, return our best guess.
     // TODO(jcollins-g): is that even possible?
-    assert(!locationPieces.isEmpty);
+    assert(locationPieces.isNotEmpty);
     if (locationPieces.isEmpty) return scoredCandidate;
     // The more pieces we have of the location in our library name, the more we should boost our score.
     scoredCandidate.alterScore(
@@ -1928,7 +1928,7 @@ abstract class GetterSetterCombo implements ModelElement {
       } else if (hasPublicSetter) {
         _documentationFrom.addAll(setter.documentationFrom);
       }
-      if (_documentationFrom.length == 0 ||
+      if (_documentationFrom.isEmpty||
           _documentationFrom.every((e) => e.documentationComment == ''))
         _documentationFrom = computeDocumentationFrom;
     }
@@ -2376,9 +2376,12 @@ class Library extends ModelElement with Categorization, TopLevelContainer {
     return '${package.baseHref}${library.dirName}/$fileName';
   }
 
+  // ignore: deprecated_member_use
   InheritanceManager _inheritanceManager;
+  // ignore: deprecated_member_use
   InheritanceManager get inheritanceManager {
     if (_inheritanceManager == null) {
+  // ignore: deprecated_member_use
       _inheritanceManager = new InheritanceManager(element);
     }
     return _inheritanceManager;
@@ -3363,7 +3366,7 @@ abstract class ModelElement extends Canonicalization
           // Avoid claiming canonicalization for elements outside of this element's
           // defining package.
           // TODO(jcollins-g): Make the else block unconditional.
-          if (!candidateLibraries.isEmpty &&
+          if (candidateLibraries.isNotEmpty &&
               !candidateLibraries
                   .any((l) => l.package == definingLibrary.package)) {
             warn(PackageWarning.reexportedPrivateApiAcrossPackages,
@@ -3814,7 +3817,7 @@ abstract class ModelElement extends Canonicalization
   }
 
   String linkedParams(
-      {bool showMetadata: true, bool showNames: true, String separator: ', '}) {
+      {bool showMetadata = true, bool showNames = true, String separator = ', '}) {
     List<Parameter> requiredParams =
         parameters.where((Parameter p) => !p.isOptional).toList();
     List<Parameter> positionalParams =
@@ -3886,7 +3889,7 @@ abstract class ModelElement extends Canonicalization
   String _calculateLinkedName() {
     // If we're calling this with an empty name, we probably have the wrong
     // element associated with a ModelElement or there's an analysis bug.
-    assert(!name.isEmpty ||
+    assert(name.isNotEmpty ||
         (this.element is TypeDefiningElement &&
             (this.element as TypeDefiningElement).type.name == "dynamic") ||
         this is ModelFunction);
@@ -3935,7 +3938,7 @@ abstract class ModelElement extends Canonicalization
       var fragmentFile = new File(pathLib.join(dirPath, args['file']));
       if (fragmentFile.existsSync()) {
         replacement = fragmentFile.readAsStringSync();
-        if (!lang.isEmpty) {
+        if (lang.isNotEmpty) {
           replacement = replacement.replaceFirst('```', '```$lang');
         }
       } else {
@@ -4517,7 +4520,7 @@ abstract class ModelElement extends Canonicalization
     final fragExtension = '.md';
     var file = src + fragExtension;
     var region = args['region'] ?? '';
-    if (!region.isEmpty) {
+    if (region.isNotEmpty) {
       var dir = pathLib.dirname(src);
       var basename = pathLib.basenameWithoutExtension(src);
       var ext = pathLib.extension(src);
@@ -5241,15 +5244,15 @@ class PackageGraph {
       }
     }
 
-    if (!c._mixins.isEmpty) {
+    if (c._mixins.isNotEmpty) {
       c._mixins.forEach((t) {
         _checkAndAddClass(t.element, c);
       });
     }
     if (c.supertype != null) {
       _checkAndAddClass(c.supertype.element, c);
     }
-    if (!c.interfaces.isEmpty) {
+    if (c.interfaces.isNotEmpty) {
       c.interfaces.forEach((t) {
         _checkAndAddClass(t.element, c);
       });
@@ -6551,7 +6554,7 @@ class PackageBuilder {
     final UriResolver packageResolver = new PackageMapUriResolver(
         PhysicalResourceProvider.INSTANCE, packageMap);
     UriResolver sdkResolver;
-    if (embedderSdk == null || embedderSdk.urlMappings.length == 0) {
+    if (embedderSdk == null || embedderSdk.urlMappings.isEmpty) {
       // The embedder uri resolver has no mappings. Use the default Dart SDK
       // uri resolver.
       sdkResolver = new DartUriResolver(sdk);

lib/src/special_elements.dart

@@ -87,7 +87,7 @@ Set<String> specialLibraryFiles(DartSdk sdk) => _specialClassDefinitions.values
 class SpecialClasses {
   final Map<SpecialClass, Class> _specialClass = {};
 
-  SpecialClasses() {}
+  SpecialClasses();
 
   /// Add a class object that could be special.
   void addSpecial(Class aClass) {

pubspec.yaml

@@ -39,6 +39,7 @@ dev_dependencies:
   io: ^0.3.0
   http: ^0.12.0
   meta: ^1.0.0
+  pedantic: ^1.5.0
   test: ^1.3.0
 
 executables:

test/src/utils.dart

@@ -242,7 +242,7 @@ class SubprocessLauncher {
 
   // from flutter:dev/tools/dartdoc.dart, modified
   static Future<void> _printStream(Stream<List<int>> stream, Stdout output,
-      {String prefix: '', Iterable<String> Function(String line) filter}) {
+      {String prefix = '', Iterable<String> Function(String line) filter}) {
     assert(prefix != null);
     if (filter == null) filter = (line) => [line];
     return stream
@@ -273,7 +273,7 @@ class SubprocessLauncher {
   Future<Iterable<Map>> runStreamed(String executable, List<String> arguments,
       {String workingDirectory,
       Map<String, String> environment,
-      bool includeParentEnvironment: true,
+      bool includeParentEnvironment = true,
       void Function(String) perLine}) async {
     environment ??= {};
     environment.addAll(environmentDefaults);

tool/doc_packages.dart

@@ -60,7 +60,7 @@ ArgParser _createArgsParser() {
 }
 
 /// Print help if we are passed the help option or invalid arguments.
-void _printUsageAndExit(ArgParser parser, {int exitCode: 0}) {
+void _printUsageAndExit(ArgParser parser, {int exitCode = 0}) {
   print('Generate documentation for published pub packages.\n');
   print('Usage: _doc_packages [OPTIONS] <package1> <package2>\n');
   print(parser.usage);
@@ -194,8 +194,8 @@ Future<bool> _generateFor(PackageInfo package) async {
 
 Future _exec(String command, List<String> args,
     {String cwd,
-    bool quiet: false,
-    Duration timeout: const Duration(seconds: 60)}) {
+    bool quiet = false,
+    Duration timeout = const Duration(seconds: 60)}) {
   return Process.start(command, args, workingDirectory: cwd)
       .then((Process process) {
     if (!quiet) {

tool/grind.dart

@@ -237,7 +237,7 @@ class WarningsCollection {
   final String branch;
   final String pubCachePath;
   WarningsCollection(this.tempDir, this.pubCachePath, this.branch)
-      : this.warningKeyCounts = new Map() {}
+      : this.warningKeyCounts = new Map();
 
   static const String kPubCachePathReplacement = '_xxxPubDirectoryxxx_';
   static const String kTempDirReplacement = '_xxxTempDirectoryxxx_';
@@ -943,7 +943,7 @@ Future<void> buildDartdocFlutterPluginDocs() async {
 @Task('Verify docs for a package that requires flutter with remote linking')
 Future<void> testDartdocFlutterPlugin() async {
   WarningsCollection warnings = await _buildDartdocFlutterPluginDocs();
-  if (!warnings.warningKeyCounts.isEmpty) {
+  if (warnings.warningKeyCounts.isNotEmpty) {
     fail('No warnings should exist in : ${warnings.warningKeyCounts}');
   }
   // Verify that links to Dart SDK and Flutter SDK go to the flutter site.