feat: Added basic MK support

Author: seebeen

lib/Core/Multi_Language.php

@@ -124,6 +124,13 @@ public function get_polylang_locale() {
      */
     public function get_wpml_locale() {
         // Documented in WPML.
-        return apply_filters( 'wpml_current_language', null ) === 'sr' ? 'sr_RS' : 'other';
+        switch ( apply_filters( 'wpml_current_language', null ) ) {
+            case 'sr':
+                return 'sr_RS';
+            case 'mk':
+                return 'mk_MK';
+            default:
+                return 'other';
+        }
     }
 }

lib/Core/Script_Manager.php

@@ -104,7 +104,7 @@ public function is_serbian() {
      * @return bool True if the site should be transliterated, false otherwise
      */
     public function should_transliterate() {
-        return 'sr_RS' === $this->locale && 'lat' === $this->script;
+        return in_array( $this->locale, array( 'mk_MK', 'sr_RS', 'bs_BA' ), true ) && 'lat' === $this->script;
     }
 
     /**

lib/Language/WPML.php

@@ -11,6 +11,13 @@
  * WPML Plugin compatibility
  */
 class WPML {
+    /**
+     * Primary language
+     *
+     * @var string
+     */
+    protected $primary_lang = null;
+
     /**
      * Class constructor
      */
@@ -29,7 +36,13 @@ public function extend_wpml_language_selector( $languages ) {
             return $languages;
         }
 
-        $serbian_ls = $languages['sr'];
+        $this->primary_lang = $this->detect_primary_lang( $languages );
+
+        if ( 'sr' !== $this->primary_lang ) {
+            return $languages;
+        }
+
+        $serbian_ls = $languages['sr'] ?? $languages['mk'];
         $script     = STL()->manager->get_script();
 
         $languages['sr'] = array_merge(
@@ -54,4 +67,24 @@ public function extend_wpml_language_selector( $languages ) {
 
         return $languages;
     }
+
+    /**
+     * Detects primary language from WPML languages
+     *
+     * @param  array<string, array> $languages WPML languages.
+     * @return string                          Primary language
+     */
+    protected function detect_primary_lang( $languages ) {
+        $languages = array_keys( $languages );
+
+        if ( in_array( 'sr', $languages, true ) ) {
+            return 'sr';
+        }
+
+        if ( in_array( 'mk', $languages, true ) ) {
+            return 'mk';
+        }
+
+        return 'en';
+    }
 }