feat: Replace SharedPreferences with SharedPreferencesAsync

Author: romaingyh

packages/supabase_flutter/lib/src/local_storage.dart

@@ -61,66 +61,12 @@ class EmptyLocalStorage extends LocalStorage {
   Future<void> persistSession(persistSessionString) async {}
 }
 
-/// A [LocalStorage] implementation that implements SharedPreferences as the
-/// storage method.
-class SharedPreferencesLocalStorage extends LocalStorage {
-  late final SharedPreferences _prefs;
-
-  SharedPreferencesLocalStorage({required this.persistSessionKey});
-
-  final String persistSessionKey;
-
-  static const _useWebLocalStorage =
-      kIsWeb && bool.fromEnvironment("dart.library.js_interop");
-
-  @override
-  Future<void> initialize() async {
-    if (!_useWebLocalStorage) {
-      WidgetsFlutterBinding.ensureInitialized();
-      _prefs = await SharedPreferences.getInstance();
-    }
-  }
-
-  @override
-  Future<bool> hasAccessToken() async {
-    if (_useWebLocalStorage) {
-      return web.hasAccessToken(persistSessionKey);
-    }
-    return _prefs.containsKey(persistSessionKey);
-  }
-
-  @override
-  Future<String?> accessToken() async {
-    if (_useWebLocalStorage) {
-      return web.accessToken(persistSessionKey);
-    }
-    return _prefs.getString(persistSessionKey);
-  }
-
-  @override
-  Future<void> removePersistedSession() async {
-    if (_useWebLocalStorage) {
-      web.removePersistedSession(persistSessionKey);
-    } else {
-      await _prefs.remove(persistSessionKey);
-    }
-  }
-
-  @override
-  Future<void> persistSession(String persistSessionString) {
-    if (_useWebLocalStorage) {
-      return web.persistSession(persistSessionKey, persistSessionString);
-    }
-    return _prefs.setString(persistSessionKey, persistSessionString);
-  }
-}
-
 /// A [LocalStorage] implementation that implements SharedPreferencesAsync as the
 /// storage method.
-class SharedPreferencesAsyncLocalStorage extends LocalStorage {
+class SharedPreferencesLocalStorage extends LocalStorage {
   late final SharedPreferencesAsync _prefs;
 
-  SharedPreferencesAsyncLocalStorage({required this.persistSessionKey});
+  SharedPreferencesLocalStorage({required this.persistSessionKey});
 
   final String persistSessionKey;