[go_router] Removes dynamic calls in examples. (#2714)

packages/go_router/CHANGELOG.md

@@ -1,3 +1,7 @@
+## NEXT
+
+- Removes dynamic calls in examples.
+
 ## 5.1.1
 
 - Removes DebugGoRouteInformation.

packages/go_router/example/lib/named_routes.dart

@@ -2,11 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// TODO(goderbauer): Refactor the examples to remove this ignore, https://github.com/flutter/flutter/issues/110210
-// ignore_for_file: avoid_dynamic_calls
-
-import 'dart:convert';
-
 import 'package:flutter/material.dart';
 import 'package:go_router/go_router.dart';
 
@@ -18,36 +13,46 @@ import 'package:go_router/go_router.dart';
 // then be used in context.namedLocation to be translate back to the actual URL
 // location.
 
-final Map<String, dynamic> _families = const JsonDecoder().convert('''
-{
-  "f1": {
-    "name": "Doe",
-    "people": {
-      "p1": {
-        "name": "Jane",
-        "age": 23
-      },
-      "p2": {
-        "name": "John",
-        "age": 6
-      }
-    }
-  },
-  "f2": {
-    "name": "Wong",
-    "people": {
-      "p1": {
-        "name": "June",
-        "age": 51
-      },
-      "p2": {
-        "name": "Xin",
-        "age": 44
-      }
-    }
-  }
+/// Family data class.
+class Family {
+  /// Create a family.
+  const Family({required this.name, required this.people});
+
+  /// The last name of the family.
+  final String name;
+
+  /// The people in the family.
+  final Map<String, Person> people;
 }
-''');
+
+/// Person data class.
+class Person {
+  /// Creates a person.
+  const Person({required this.name, required this.age});
+
+  /// The first name of the person.
+  final String name;
+
+  /// The age of the person.
+  final int age;
+}
+
+const Map<String, Family> _families = <String, Family>{
+  'f1': Family(
+    name: 'Doe',
+    people: <String, Person>{
+      'p1': Person(name: 'Jane', age: 23),
+      'p2': Person(name: 'John', age: 6),
+    },
+  ),
+  'f2': Family(
+    name: 'Wong',
+    people: <String, Person>{
+      'p1': Person(name: 'June', age: 51),
+      'p2': Person(name: 'Xin', age: 44),
+    },
+  ),
+};
 
 void main() => runApp(App());
 
@@ -110,11 +115,11 @@ class HomeScreen extends StatelessWidget {
       ),
       body: ListView(
         children: <Widget>[
-          for (final String fid in _families.keys)
+          for (final MapEntry<String, Family> entry in _families.entries)
             ListTile(
-              title: Text(_families[fid]['name']),
+              title: Text(entry.value.name),
               onTap: () => context.go(context.namedLocation('family',
-                  params: <String, String>{'fid': fid})),
+                  params: <String, String>{'fid': entry.key})),
             )
         ],
       ),
@@ -132,18 +137,17 @@ class FamilyScreen extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    final Map<String, dynamic> people =
-        _families[fid]['people'] as Map<String, dynamic>;
+    final Map<String, Person> people = _families[fid]!.people;
     return Scaffold(
-      appBar: AppBar(title: Text(_families[fid]['name'])),
+      appBar: AppBar(title: Text(_families[fid]!.name)),
       body: ListView(
         children: <Widget>[
-          for (final String pid in people.keys)
+          for (final MapEntry<String, Person> entry in people.entries)
             ListTile(
-              title: Text(people[pid]['name']),
+              title: Text(entry.value.name),
               onTap: () => context.go(context.namedLocation(
                 'person',
-                params: <String, String>{'fid': fid, 'pid': pid},
+                params: <String, String>{'fid': fid, 'pid': entry.key},
                 queryParams: <String, String>{'qid': 'quid'},
               )),
             ),
@@ -167,12 +171,11 @@ class PersonScreen extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    final Map<String, dynamic> family = _families[fid];
-    final Map<String, dynamic> person = family['people'][pid];
+    final Family family = _families[fid]!;
+    final Person person = family.people[pid]!;
     return Scaffold(
-      appBar: AppBar(title: Text(person['name'])),
-      body: Text(
-          '${person['name']} ${family['name']} is ${person['age']} years old'),
+      appBar: AppBar(title: Text(person.name)),
+      body: Text('${person.name} ${family.name} is ${person.age} years old'),
     );
   }
 }

packages/go_router/example/lib/others/extra_param.dart

@@ -2,44 +2,49 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// TODO(goderbauer): Refactor the examples to remove this ignore, https://github.com/flutter/flutter/issues/110210
-// ignore_for_file: avoid_dynamic_calls
-
-import 'dart:convert';
-
 import 'package:flutter/material.dart';
 import 'package:go_router/go_router.dart';
 
-final Map<String, dynamic> _families = const JsonDecoder().convert('''
-{
-  "f1": {
-    "name": "Doe",
-    "people": {
-      "p1": {
-        "name": "Jane",
-        "age": 23
-      },
-      "p2": {
-        "name": "John",
-        "age": 6
-      }
-    }
-  },
-  "f2": {
-    "name": "Wong",
-    "people": {
-      "p1": {
-        "name": "June",
-        "age": 51
-      },
-      "p2": {
-        "name": "Xin",
-        "age": 44
-      }
-    }
-  }
+/// Family data class.
+class Family {
+  /// Create a family.
+  const Family({required this.name, required this.people});
+
+  /// The last name of the family.
+  final String name;
+
+  /// The people in the family.
+  final Map<String, Person> people;
 }
-''');
+
+/// Person data class.
+class Person {
+  /// Creates a person.
+  const Person({required this.name, required this.age});
+
+  /// The first name of the person.
+  final String name;
+
+  /// The age of the person.
+  final int age;
+}
+
+const Map<String, Family> _families = <String, Family>{
+  'f1': Family(
+    name: 'Doe',
+    people: <String, Person>{
+      'p1': Person(name: 'Jane', age: 23),
+      'p2': Person(name: 'John', age: 6),
+    },
+  ),
+  'f2': Family(
+    name: 'Wong',
+    people: <String, Person>{
+      'p1': Person(name: 'June', age: 51),
+      'p2': Person(name: 'Xin', age: 44),
+    },
+  ),
+};
 
 void main() => runApp(App());
 
@@ -91,11 +96,11 @@ class HomeScreen extends StatelessWidget {
         appBar: AppBar(title: const Text(App.title)),
         body: ListView(
           children: <Widget>[
-            for (final String fid in _families.keys)
+            for (final MapEntry<String, Family> entry in _families.entries)
               ListTile(
-                title: Text(_families[fid]['name']),
-                onTap: () => context
-                    .goNamed('family', extra: <String, String>{'fid': fid}),
+                title: Text(entry.value.name),
+                onTap: () => context.goNamed('family',
+                    extra: <String, String>{'fid': entry.key}),
               )
           ],
         ),
@@ -112,15 +117,14 @@ class FamilyScreen extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    final Map<String, dynamic> people =
-        _families[fid]['people'] as Map<String, dynamic>;
+    final Map<String, Person> people = _families[fid]!.people;
     return Scaffold(
-      appBar: AppBar(title: Text(_families[fid]['name'])),
+      appBar: AppBar(title: Text(_families[fid]!.name)),
       body: ListView(
         children: <Widget>[
-          for (final dynamic p in people.values)
+          for (final Person p in people.values)
             ListTile(
-              title: Text(p['name']),
+              title: Text(p.name),
             ),
         ],
       ),

packages/go_router/example/lib/path_and_query_parameters.dart

@@ -2,11 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// TODO(goderbauer): Refactor the examples to remove this ignore, https://github.com/flutter/flutter/issues/110210
-// ignore_for_file: avoid_dynamic_calls
-
-import 'dart:convert';
-
 import 'package:flutter/material.dart';
 import 'package:go_router/go_router.dart';
 
@@ -18,36 +13,46 @@ import 'package:go_router/go_router.dart';
 //
 // The query parameters are automatically stored in GoRouterState.queryParams.
 
-final Map<String, dynamic> _families = const JsonDecoder().convert('''
-{
-  "f1": {
-    "name": "Doe",
-    "people": {
-      "p1": {
-        "name": "Jane",
-        "age": 23
-      },
-      "p2": {
-        "name": "John",
-        "age": 6
-      }
-    }
-  },
-  "f2": {
-    "name": "Wong",
-    "people": {
-      "p1": {
-        "name": "June",
-        "age": 51
-      },
-      "p2": {
-        "name": "Xin",
-        "age": 44
-      }
-    }
-  }
+/// Family data class.
+class Family {
+  /// Create a family.
+  const Family({required this.name, required this.people});
+
+  /// The last name of the family.
+  final String name;
+
+  /// The people in the family.
+  final Map<String, Person> people;
 }
-''');
+
+/// Person data class.
+class Person {
+  /// Creates a person.
+  const Person({required this.name, required this.age});
+
+  /// The first name of the person.
+  final String name;
+
+  /// The age of the person.
+  final int age;
+}
+
+const Map<String, Family> _families = <String, Family>{
+  'f1': Family(
+    name: 'Doe',
+    people: <String, Person>{
+      'p1': Person(name: 'Jane', age: 23),
+      'p2': Person(name: 'John', age: 6),
+    },
+  ),
+  'f2': Family(
+    name: 'Wong',
+    people: <String, Person>{
+      'p1': Person(name: 'June', age: 51),
+      'p2': Person(name: 'Xin', age: 44),
+    },
+  ),
+};
 
 void main() => runApp(App());
 
@@ -102,10 +107,10 @@ class HomeScreen extends StatelessWidget {
       ),
       body: ListView(
         children: <Widget>[
-          for (final String fid in _families.keys)
+          for (final MapEntry<String, Family> entry in _families.entries)
             ListTile(
-              title: Text(_families[fid]['name']),
-              onTap: () => context.go('/family/$fid'),
+              title: Text(entry.value.name),
+              onTap: () => context.go('/family/${entry.key}'),
             )
         ],
       ),
@@ -128,9 +133,10 @@ class FamilyScreen extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     final Map<String, String> newQueries;
-    final List<String> names = _families[fid]['people']
+    final List<String> names = _families[fid]!
+        .people
         .values
-        .map<String>((dynamic p) => p['name'] as String)
+        .map<String>((Person p) => p.name)
         .toList();
     names.sort();
     if (asc) {
@@ -140,7 +146,7 @@ class FamilyScreen extends StatelessWidget {
     }
     return Scaffold(
       appBar: AppBar(
-        title: Text(_families[fid]['name']),
+        title: Text(_families[fid]!.name),
         actions: <Widget>[
           IconButton(
             onPressed: () => context.goNamed('family',