SEO : add tombi mori plugin

site/plugins/kirby-seo/config/options/sitemap.php

@@ -0,0 +1,37 @@
+<?php
+
+use Kirby\Toolkit\Obj;
+use tobimori\Seo\Sitemap\SitemapIndex;
+
+return function (SitemapIndex $sitemap) {
+	$exclude = option('tobimori.seo.sitemap.excludeTemplates', []);
+	$pages = site()->index()->filter(fn ($page) => $page->metadata()->robotsIndex()->toBool() && !in_array($page->intendedTemplate()->name(), $exclude));
+
+	if ($group = option('tobimori.seo.sitemap.groupByTemplate')) {
+		$pages = $pages->group('intendedTemplate');
+	}
+
+	if (is_a($pages->first(), 'Kirby\Cms\Page')) {
+		$pages = $pages->group(fn () => 'pages');
+	}
+
+	foreach ($pages as $group) {
+		$index = $sitemap->create($group ? $group->first()->intendedTemplate()->name() : 'pages');
+
+		foreach ($group as $page) {
+			$url = $index->createUrl($page->metadata()->canonicalUrl())
+				->lastmod($page->modified() ?? (int)(date('c')))
+				->changefreq(is_callable($changefreq = option('tobimori.seo.sitemap.changefreq')) ? $changefreq($page) : $changefreq)
+				->priority(is_callable($priority = option('tobimori.seo.sitemap.priority')) ? $priority($page) : $priority);
+
+			if (kirby()->languages()->count() > 1 && kirby()->language() !== null) {
+				$url->alternates(
+					kirby()->languages()->map(fn ($language) => new Obj([
+						'hreflang' => $language->code() === kirby()->language()->code() ? 'x-default' : $language->code(),
+						'href' => $page->url($language->code()),
+					]))->toArray()
+				);
+			}
+		}
+	}
+};