Add CountryOptions ViewModel for usage in filters

Author: jissereitsma

ViewModel/Options/CountryOptions.php

@@ -0,0 +1,36 @@
+<?php declare(strict_types=1);
+
+namespace Loki\AdminComponents\ViewModel\Options;
+
+use Magento\Directory\Helper\Data as DirectoryHelper;
+use Magento\Framework\Data\OptionSourceInterface;
+use Magento\Framework\View\Element\Block\ArgumentInterface;
+
+class CountryOptions implements ArgumentInterface, OptionSourceInterface
+{
+    public function __construct(
+        private readonly DirectoryHelper $directoryHelper,
+    ) {
+    }
+
+    public function toOptionArray()
+    {
+        $options = [];
+        $options[] = [
+            'value' => '',
+            'label' => '',
+        ];
+
+        foreach ($this->directoryHelper->getCountryCollection() as $country) {
+            $options[] = [
+                'value' => $country->getCountryId(),
+                'label' => $country->getName(),
+            ];
+
+        }
+
+        asort($options);
+
+        return $options;
+    }
+}