custom_lint with BlocBuilder checks

.github/workflows/flutter.yaml

@@ -38,6 +38,23 @@ jobs:
       - name: Analyze code
         run: flutter analyze ${{ needs.changes.outputs.all_changed_files }}
 
+  custom_lint:
+    runs-on: ubuntu-latest
+    needs: changes
+    if: needs.changes.outputs.any_changed == 'true'
+    steps:
+      - uses: actions/checkout@v4
+      - uses: kuhnroyal/flutter-fvm-config-action@v2
+        id: fvm-config-action
+      - uses: subosito/flutter-action@v2
+        with:
+          flutter-version: ${{ steps.fvm-config-action.outputs.FLUTTER_VERSION }}
+          channel: ${{ steps.fvm-config-action.outputs.FLUTTER_CHANNEL }}
+      - name: Get dependencies
+        run: flutter pub get
+      - name: Analyze code
+        run: flutter pub run custom_lint ${{ needs.changes.outputs.all_changed_files }}
+
   formatter:
     runs-on: ubuntu-latest
     needs: changes

analysis_options.yaml

@@ -1,29 +1,5 @@
-# This file configures the analyzer, which statically analyzes Dart code to
-# check for errors, warnings, and lints.
-#
-# The issues identified by the analyzer are surfaced in the UI of Dart-enabled
-# IDEs (https://dart.dev/tools#ides-and-editors). The analyzer can also be
-# invoked from the command line by running `flutter analyze`.
-
-# The following line activates a set of recommended lints for Flutter apps,
-# packages, and plugins designed to encourage good coding practices.
 include: package:flutter_lints/flutter.yaml
 
-linter:
-  # The lint rules applied to this project can be customized in the
-  # section below to disable rules from the `package:flutter_lints/flutter.yaml`
-  # included above or to enable additional rules. A list of all available lints
-  # and their documentation is published at
-  # https://dart-lang.github.io/linter/lints/index.html.
-  #
-  # Instead of disabling a lint rule for the entire project in the
-  # section below, it can also be suppressed for a single line of code
-  # or a specific dart file by using the `// ignore: name_of_lint` and
-  # `// ignore_for_file: name_of_lint` syntax on the line or in the file
-  # producing the lint.
-  rules:
-    # avoid_print: false  # Uncomment to disable the `avoid_print` rule
-    # prefer_single_quotes: true  # Uncomment to enable the `prefer_single_quotes` rule
-
-# Additional information about this file can be found at
-# https://dart.dev/guides/language/analysis-options
+analyzer:
+  plugins:
+    - custom_lint

lib/features/users/widgets/users_list.dart

@@ -2,7 +2,6 @@ import 'package:bloc_example/features/users/bloc/users_bloc.dart';
 import 'package:bloc_example/features/users/bloc/users_bloc_event.dart';
 import 'package:bloc_example/features/users/bloc/users_bloc_state.dart';
 import 'package:bloc_example/features/users/widgets/user_info_row.dart';
-import 'package:collection/collection.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 
@@ -35,13 +34,17 @@ class _UsersListState extends State<UsersList> {
   @override
   Widget build(BuildContext context) {
     return BlocBuilder<UsersBloc, UsersBlocState>(
-      buildWhen: (prev, curr) {
-        if (prev is UsersBlocStateLoaded && curr is UsersBlocStateLoaded) {
-          return !const DeepCollectionEquality().equals(prev.users, curr.users);
-        }
-
-        return true;
-      },
+      //
+      // Чтобы убрать ошибку - добавьте `buildWhen` из комментария ниже.
+      // Вообще, можно вставить свою реализацию. Ошибка отсутствия `buildWhen` пропадет после его добавления.
+      //
+      // buildWhen: (prev, curr) {
+      //   if (prev is UsersBlocStateLoaded && curr is UsersBlocStateLoaded) {
+      //     return !const DeepCollectionEquality().equals(prev.users, curr.users);
+      //   }
+      //
+      //   return true;
+      // },
       builder: (context, state) {
         return switch (state) {
           UsersBlocStateLoading _ => const UsersListShimmer(),