Frontend first draft

frontend/pweb/lib/widgets/password/hint/short.dart

@@ -0,0 +1,25 @@
+import 'package:flutter/material.dart';
+
+import 'package:fancy_password_field/fancy_password_field.dart';
+
+import 'package:pweb/widgets/password/hint/error.dart';
+import 'package:pweb/widgets/password/hint/widget.dart';
+
+import 'package:pweb/generated/i18n/app_localizations.dart';
+
+
+Widget shortValidation(BuildContext context, Set<ValidationRule> rules, String value) {
+  if (value.isEmpty) return Container();
+  final failedRules = rules.where((rule) => !rule.validate(value));
+  return (failedRules.isNotEmpty) 
+    ? PasswordValidationOutput(
+        children: [
+          PasswordValidationErrorLabel(
+            labelText: AppLocalizations.of(context)!.passwordValidationError(
+              rules.firstWhere((rule) => !rule.validate(value)).name
+            ),
+          ),
+        ], 
+      )
+    : Container();
+}