SEO : add tombi mori plugin

site/plugins/kirby-seo/snippets/head.php

@@ -0,0 +1,13 @@
+<?php
+
+/**
+ * @var \Kirby\Cms\Page $page
+ */
+
+use Kirby\Cms\Html;
+
+$tags = $page->metadata()->snippetData();
+
+foreach ($tags as $tag) {
+	echo Html::tag($tag['tag'], $tag['content'] ?? null, $tag['attributes'] ?? []) . PHP_EOL;
+}

site/plugins/kirby-seo/snippets/robots.txt.php

@@ -0,0 +1,58 @@
+<?php
+
+use Kirby\Toolkit\A;
+
+if ($content = option('tobimori.seo.robots.content')) {
+	if (is_callable($content)) {
+		$content = $content();
+	}
+
+	if (is_array($content)) {
+		$str = [];
+
+		foreach ($content as $ua => $data) {
+			$str[] = 'User-agent: ' . $ua;
+			foreach ($data as $type => $values) {
+				foreach ($values as $value) {
+					$str[] = $type . ': ' . $value;
+				}
+			}
+		}
+
+		$content = A::join($str, PHP_EOL);
+	}
+
+	echo $content;
+} else {
+	// output default
+	echo "User-agent: *\n";
+
+	$index = option('tobimori.seo.robots.index');
+	if (is_callable($index)) {
+		$index = $index();
+	}
+
+	if ($index) {
+		echo 'Allow: /';
+		echo "\nDisallow: /panel";
+	} else {
+		echo 'Disallow: /';
+	}
+}
+
+if (($sitemap = option('tobimori.seo.robots.sitemap')) || ($sitemapModule = option('tobimori.seo.sitemap.active'))) {
+	// Allow closure to be used
+	if (is_callable($sitemap)) {
+		$sitemap = $sitemap();
+	}
+
+	// Use default sitemap if none is set
+	if (!$sitemap && $sitemapModule) {
+		$sitemap = site()->canonicalFor('/sitemap.xml');
+	}
+
+	// Check again, so falsy values can't be used
+	if ($sitemap) {
+		echo "\n\nSitemap: {$sitemap}";
+	}
+}

site/plugins/kirby-seo/snippets/schemas.php

@@ -0,0 +1,8 @@
+<?php
+
+$siteSchema ??= true;
+$pageSchema ??= true;
+
+foreach (array_merge($siteSchema ? $site->schemas() : [], $pageSchema ? $page->schemas() : []) as $schema) {
+	echo $schema;
+}