fixed what dartls told me to, ryszard biegaj

lib/app.dart

@@ -56,14 +56,14 @@ class _MyHomePageState extends State<MyHomePage> {
       ),
       body: Center(
         child: Container(
-          constraints: BoxConstraints(maxWidth: 600),
-          padding: EdgeInsets.all(10),
+          constraints: const BoxConstraints(maxWidth: 600),
+          padding: const EdgeInsets.all(10),
           child: Column(
             mainAxisAlignment: MainAxisAlignment.center,
             children: <Widget>[
                FilledButton(
                 onPressed: _login,
-                child: Text('Login'),
+                child: const Text('Login'),
               )
             ],
           ),

lib/client.dart

@@ -5,23 +5,23 @@ import 'dart:html';
 
 class ApiClient {
   final String baseUrl;
-  String? token = null;
-  String? refreshToken = null;
+  String? token;
+  String? refreshToken;
   http.Client httpClient = http.Client();
 
   ApiClient({
     required this.baseUrl,
   }) {
     if (window.localStorage.containsKey('token')) {
-      this.token = window.localStorage['token'];
+      token = window.localStorage['token'];
     }
     if (window.localStorage.containsKey('refreshToken')) {
-      this.refreshToken = window.localStorage['refreshToken'];
+      refreshToken = window.localStorage['refreshToken'];
     }
   }
 
   Map<String, String> headers() {
-    if (this.token == null) {
+    if (token == null) {
       throw Exception('Not logged in');
     }
 
@@ -30,8 +30,8 @@ class ApiClient {
       'Accept': 'application/json',
     };
 
-    if (this.token != null) {
-      headers['Authorization'] = 'Bearer ${this.token}';
+    if (token != null) {
+      headers['Authorization'] = 'Bearer $token';
     }
 
     return headers;
@@ -40,7 +40,7 @@ class ApiClient {
   Future<Map<String, dynamic>> get(String path) async {
     final response = await httpClient.get(
       Uri.parse('$baseUrl$path'),
-      headers: this.headers(),
+      headers: headers(),
     );
     return jsonDecode(response.body);
   }
@@ -49,7 +49,7 @@ class ApiClient {
     final response = await httpClient.post(
       Uri.parse('$baseUrl$path'),
       body: jsonEncode(body),
-      headers: this.headers(),
+      headers: headers(),
     );
     return jsonDecode(response.body);
   }
@@ -58,7 +58,7 @@ class ApiClient {
   Future<Map<String, dynamic>> delete(String path) async {
     final response = await httpClient.delete(
       Uri.parse('$baseUrl$path'),
-      headers: this.headers(),
+      headers: headers(),
     );
     return jsonDecode(response.body);
   }
@@ -67,7 +67,7 @@ class ApiClient {
     final response = await httpClient.patch(
       Uri.parse('$baseUrl$path'),
       body: jsonEncode(body),
-      headers: this.headers(),
+      headers: headers(),
     );
     return jsonDecode(response.body);
   }

lib/login_screen.dart

@@ -3,7 +3,7 @@ import 'package:fooder_web/based.dart';
 
 
 class LoginScreen extends BasedScreen {
-  LoginScreen({super.key, required super.apiClient});
+  const LoginScreen({super.key, required super.apiClient});
 
   @override
   State<LoginScreen> createState() => _LoginScreen();
@@ -35,12 +35,12 @@ class _LoginScreen extends State<LoginScreen> {
     return Scaffold(
       appBar: AppBar(
         backgroundColor: Theme.of(context).colorScheme.inversePrimary,
-        title: Text("ANALUJ"),
+        title: const Text("ANALUJ"),
       ),
       body: Center(
         child: Container(
-          constraints: BoxConstraints(maxWidth: 600),
-          padding: EdgeInsets.all(10),
+          constraints: const BoxConstraints(maxWidth: 600),
+          padding: const EdgeInsets.all(10),
           child: Column(
             mainAxisAlignment: MainAxisAlignment.center,
             children: <Widget>[
@@ -59,7 +59,7 @@ class _LoginScreen extends State<LoginScreen> {
                ),
                FilledButton(
                 onPressed: _login,
-                child: Text('Login'),
+                child: const Text('Login'),
               )
             ],
           ),