mono0926

class PackageMetrics
// AutoDispose/Family版のAsyncNotifier
    extends AutoDisposeFamilyAsyncNotifier<PackageMetricsScore, String> {
  late String _packageName;
  @override
  Future<PackageMetricsScore> build(String arg) {
    _packageName = arg;
    return ref
        .watch(pubRepositoryProvider)
        .getPackageMetrics(packageName: _packageName);

mono0926

import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:go_router/go_router.dart';

void main() {
  runApp(
    const ProviderScope(
      child: App(),
    ),
  );

mono0926

import 'package:quiver/collection.dart';

void main() {
  // maximumSizeのデフォルトは100
  final cache = LruMap<String, int>(maximumSize: 3);

  cache['a'] = 1;
  print(cache['a']); // 1
  cache['b'] = 2;
  print(cache['a']); // 1

mono0926

- json['foo'] as Map<String, dynamic>),
+ Map<String, dynamic>.from(json['foo'] as Map)),

mono0926

// ignore_for_file: omit_local_variable_types, prefer_final_locals, equal_elements_in_set
import 'dart:collection';

void main() {
  // Setのデフォルト実装は、順番が保たれる LinkedHashSet
  Set<String> animals = {'dog', 'dog', 'cat'};
  // 常に[dog, cat]
  print(animals.toList());

  Set<String> animals2 = HashSet.of(['dog', 'dog', 'cat']);

mono0926

import 'package:firebase_crashlytics/firebase_crashlytics.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/widgets.dart';

void main() {
  final crashlytics = FirebaseCrashlytics.instance;
  // いずれも未キャッチ例外なので `fatal: true`(ネイティブのクラッシュと同等の扱い)が適切
  // (例外処理であまり想定してないException受け取った時などは `fatal: false` でも良い感)
  // オリジナルの`FlutterError.presentError`は呼ばずともログは充分そう
  FlutterError.onError = crashlytics.recordFlutterFatalError;

mono0926

@freezed
class User with _$User {
  @JsonSerializable()
  const factory User(
    @JsonKey() String? displayName,
  ) = _User;
  const User._();
  factory User.fromJson(JsonMap json) => _$UserFromJson(json);
}

mono0926

targets:
  $default:
    builders:
      source_gen|combining_builder:
        options:
          ignore_for_file:
            - type=lint
            - implicit_dynamic_parameter
            - implicit_dynamic_type
            - implicit_dynamic_method

mono0926

  "explorer.fileNesting.enabled": true,
  "explorer.fileNesting.expand": false,
  "explorer.fileNesting.patterns": {
    "pubspec.yaml": ".flutter-plugins, .packages, .dart_tool, .flutter-plugins-dependencies, .metadata, .packages, pubspec.lock, build.yaml, analysis_options.yaml, all_lint_rules.yaml, pubspec_overrides.yaml, flutter_launcher_icons*.yaml",
    ".gitignore": ".gitattributes, .gitmodules, .gitmessage, .mailmap, .git-blame*",
    "readme.*": "authors, backers.md, changelog*, citation*, code_of_conduct.md, codeowners, contributing.md, contributors, copying, credits, governance.md, history.md, license*, maintainers, readme*, security.md, sponsors.md",
    "*.dart": "$(capture).g.dart, $(capture).freezed.dart"
  },

mono0926

targets:
  $default:
    builders:
      source_gen|combining_builder:
        options:
          build_extensions:
            '^lib/{{}}.dart': 'lib/generated/{{}}.g.dart'
      freezed:
        options:
          build_extensions: