feat: Release v3.0.0 - PHPStan-style analysis, configuration, baseline, and advanced WCAG rules

src/Rules/AccesskeyBanned.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Rules;
+
+use DOMElement;
+use YakNet\AccessibilityConsole\Core\Severity;
+use YakNet\AccessibilityConsole\Core\Violation;
+use YakNet\AccessibilityConsole\Core\WCAGStandard;
+
+class AccesskeyBanned extends AbstractRule
+{
+    public function getId(): string { return 'WCAG_2_1_1_ACCESSKEY'; }
+    public function getDescription(): string { return 'The accesskey attribute should not be used as it conflicts with browser and screen reader shortcuts.'; }
+    public function getStandard(): WCAGStandard { return WCAGStandard::A; }
+    public function getSeverity(): Severity { return Severity::WARNING; }
+    public function getLevel(): int { return 3; }
+
+    public function check(DOMElement $element): ?Violation
+    {
+        if ($element->hasAttribute('accesskey')) {
+            return $this->createViolation(
+                $element,
+                $this->getDescription(),
+                'Remove the accesskey attribute. Use natural focus order and standard keyboard event listeners instead.'
+            );
+        }
+
+        return null;
+    }
+}