style: stricter linting rules

Closes #48

Author: rafamizes

CHANGELOG.md

@@ -7,6 +7,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Changed
+
+- stricter linting rules — [48](https://github.com/dartoos-dev/json_cache/issues/48).
+- bump up dependencies — [49](https://github.com/dartoos-dev/json_cache/issues/49).
+
 ## [0.3.4] - 2021-08-26
 
 ### Added

lib/src/json_cache_cross_local_storage.dart

@@ -1,8 +1,7 @@
 import 'dart:convert';
 
 import 'package:cross_local_storage/cross_local_storage.dart';
-
-import 'json_cache.dart';
+import 'package:json_cache/json_cache.dart';
 
 /// [JsonCache] on top of the Cross Local Storage package.
 ///

lib/src/json_cache_enc_prefs.dart

@@ -2,7 +2,7 @@ import 'dart:convert';
 
 import 'package:encrypted_shared_preferences/encrypted_shared_preferences.dart';
 
-import 'json_cache.dart';
+import 'package:json_cache/json_cache.dart';
 
 /// Shared Preferences as encrypted values.
 ///

lib/src/json_cache_hollow.dart

@@ -1,4 +1,4 @@
-import 'json_cache.dart';
+import 'package:json_cache/json_cache.dart';
 
 /// Hollow (empty) [JsonCache] — It is intended to serve as a placeholder for
 /// [JsonCache] instances.
@@ -13,8 +13,7 @@ import 'json_cache.dart';
 /// > - a hollow tube
 /// > - Hollow blocks are used because they are lighter
 /// > - a hollow log
-/// > — [Cambridge
-/// Dictionary](https://dictionary.cambridge.org/dictionary/english/hollow)
+/// > — [Cambridge Dictionary](https://dictionary.cambridge.org/dictionary/english/hollow)
 class JsonCacheHollow implements JsonCache {
   /// This const constructor ensures that there will be only one
   /// [JsonCacheHollow] instance throughout the program.

lib/src/json_cache_local_storage.dart

@@ -1,7 +1,6 @@
+import 'package:json_cache/json_cache.dart';
 import 'package:localstorage/localstorage.dart';
 
-import 'json_cache.dart';
-
 /// Implementation on top of the LocalStorage package.
 ///
 /// See: [local storage](https://pub.dev/packages/localstorage)

lib/src/json_cache_mem.dart

@@ -1,10 +1,8 @@
 import 'dart:async';
 
+import 'package:json_cache/json_cache.dart';
 import 'package:mutex/mutex.dart';
 
-import 'json_cache.dart';
-import 'json_cache_hollow.dart';
-
 // ignore_for_file: prefer_void_to_null
 
 /// [JsonCacheMem.init] initialization error callback.

lib/src/json_cache_prefs.dart

@@ -1,9 +1,8 @@
 import 'dart:convert';
 
+import 'package:json_cache/json_cache.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 
-import 'json_cache.dart';
-
 /// Persistent preferences file cache.
 class JsonCachePrefs implements JsonCache {
   /// [_prefs] a [SharedPreferences] instance.

lib/src/json_cache_wrap.dart

@@ -1,4 +1,4 @@
-import 'json_cache.dart';
+import 'package:json_cache/json_cache.dart';
 
 ///  Decorator Envelope of [JsonCache].
 ///

pubspec.lock

@@ -141,7 +141,7 @@ packages:
       name: lint
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.6.0"
+    version: "1.8.1"
   localstorage:
     dependency: "direct main"
     description:
@@ -372,5 +372,5 @@ packages:
     source: hosted
     version: "0.2.0"
 sdks:
-  dart: ">=2.14.0 <3.0.0"
+  dart: ">=2.15.0-7.0.dev <3.0.0"
   flutter: ">=2.5.0"

pubspec.yaml

@@ -20,4 +20,4 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  lint: ^1.6.0
+  lint: ^1.8.1