refactor

lib/src/auth_screen.dart

@@ -27,18 +27,6 @@ class AuthScreen extends StatefulWidget {
 class _AuthScreenState extends State<AuthScreen> {
   int _index = 0;
   final _formKey = GlobalKey<FormState>();
-  final HashMap<AuthField, TextEditingController> _textEditingControllers =
-      HashMap();
-
-  @override
-  void initState() {
-    for (var step in widget.steps) {
-      for (var field in step.fields) {
-        _textEditingControllers[field] = TextEditingController();
-      }
-    }
-    super.initState();
-  }
 
   @override
   Widget build(BuildContext context) {
@@ -77,23 +65,7 @@ class _AuthScreenState extends State<AuthScreen> {
                                 ),
                               ),
                             ),
-                            TextFormField(
+                            field.build(),
-                              controller: _textEditingControllers[field],
-                              obscureText: field.obscureText,
-                              onChanged: (value) {
-                                field.value = value;
-                              },
-                              validator: (value) {
-                                for (var validator in field.validators) {
-                                  var output = validator(value);
-                                  if (output != null) {
-                                    return output;
-                                  }
-                                }
-
-                                return null;
-                              },
-                            ),
                           ],
                         )
                     ],

lib/src/model/auth_field.dart

@@ -4,14 +4,12 @@ abstract class AuthField {
   AuthField({
     required this.name,
     required this.title,
-    this.obscureText = false,
     this.validators = const [],
     this.value = '',
   });
 
   final String name;
   final String title;
-  final bool obscureText;
   List<String? Function(String?)> validators;
   String value;
 

lib/src/model/auth_text_field.dart

@@ -5,14 +5,15 @@ class AuthTextField extends AuthField {
   AuthTextField({
     required super.name,
     required super.title,
-    super.obscureText = false,
     super.validators = const [],
     super.value = '',
+    this.obscureText = false,
   }) {
     _textEditingController = TextEditingController();
   }
 
   late TextEditingController _textEditingController;
+  final bool obscureText;
 
   @override
   Widget build() => TextFormField(