Issue #2815631 by evaldask, hswong3i, SylvainM, juampynr, alex_optim, pifagor,...

Issue #2815631 by evaldask, hswong3i, SylvainM, juampynr, alex_optim, pifagor, poukram: Incorrect sitemap content urls with languages settings set to domains

src/XmlSitemapWriter.php

@@ -128,7 +128,19 @@ class XmlSitemapWriter extends \XMLWriter {
    */
   public function writeXSL() {
     // @codingStandardsIgnoreEnd
-    $this->writePi('xml-stylesheet', 'type="text/xsl" href="' . Url::fromRoute('xmlsitemap.sitemap_xsl')->toString() . '"');
+    $xls_url = Url::fromRoute('xmlsitemap.sitemap_xsl')->toString();
+    $settings = \Drupal::config('language.negotiation');
+    if ($settings) {
+      $url_settings = $settings->get('url');
+      if (isset($url_settings['source']) && $url_settings['source'] == 'domain') {
+        $scheme = \Drupal::request()->getScheme();
+        $context = $this->sitemap->getContext();
+        $base_url = $scheme . '://' . $url_settings['domains'][$context['language']];
+        $xls_url = Url::fromRoute('xmlsitemap.sitemap_xsl');
+        $xls_url = $base_url . "/". $xls_url->getInternalPath();
+      }
+    }
+    $this->writePi('xml-stylesheet', 'type="text/xsl" href="' . $xls_url . '"');
     $this->writeRaw(PHP_EOL);
   }