Refactor SEO module to utilize a modular structure by re-exporting all SEO functions from a new index file. This change maintains backward compatibility while streamlining the codebase for future enhancements.

2025-07-05 15:52:34 +02:00
parent eb0d5621e6
commit f8f03b45b8
9 changed files with 1272 additions and 1192 deletions
--- a/prerender/seo/product.cjs
+++ b/prerender/seo/product.cjs
@@ -0,0 +1,135 @@
+const generateProductMetaTags = (product, baseUrl, config) => {
+  const productUrl = `${baseUrl}/Artikel/${product.seoName}`;
+  const imageUrl =
+    product.pictureList && product.pictureList.trim()
+      ? `${baseUrl}/assets/images/prod${product.pictureList
+          .split(",")[0]
+          .trim()}.jpg`
+      : `${baseUrl}/assets/images/nopicture.jpg`;
+
+  // Clean description for meta (remove HTML tags and limit length)
+  const cleanDescription = product.description
+    ? product.description
+        .replace(/<[^>]*>/g, "")
+        .replace(/\n/g, " ")
+        .substring(0, 160)
+    : `${product.name} - Art.-Nr.: ${product.articleNumber}`;
+
+  return `
+    <!-- SEO Meta Tags -->
+    <meta name="description" content="${cleanDescription}">
+    <meta name="keywords" content="${product.name}, ${
+    product.manufacturer || ""
+  }, ${product.articleNumber}">
+    
+    <!-- Open Graph Meta Tags -->
+    <meta property="og:title" content="${product.name}">
+    <meta property="og:description" content="${cleanDescription}">
+    <meta property="og:image" content="${imageUrl}">
+    <meta property="og:url" content="${productUrl}">
+    <meta property="og:type" content="product">
+    <meta property="og:site_name" content="${config.siteName}">
+    <meta property="product:price:amount" content="${product.price}">
+    <meta property="product:price:currency" content="${config.currency}">
+    <meta property="product:availability" content="${
+      product.available ? "in stock" : "out of stock"
+    }">
+    ${product.gtin ? `<meta property="product:gtin" content="${product.gtin}">` : ''}
+    ${product.articleNumber ? `<meta property="product:retailer_item_id" content="${product.articleNumber}">` : ''}
+    ${product.manufacturer ? `<meta property="product:brand" content="${product.manufacturer}">` : ''}
+    
+    <!-- Twitter Card Meta Tags -->
+    <meta name="twitter:card" content="summary_large_image">
+    <meta name="twitter:title" content="${product.name}">
+    <meta name="twitter:description" content="${cleanDescription}">
+    <meta name="twitter:image" content="${imageUrl}">
+    
+    <!-- Additional Meta Tags -->
+    <meta name="robots" content="index, follow">
+    <link rel="canonical" href="${productUrl}">
+  `;
+};
+
+const generateProductJsonLd = (product, baseUrl, config, categoryInfo = null) => {
+  const productUrl = `${baseUrl}/Artikel/${product.seoName}`;
+  const imageUrl =
+    product.pictureList && product.pictureList.trim()
+      ? `${baseUrl}/assets/images/prod${product.pictureList
+          .split(",")[0]
+          .trim()}.jpg`
+      : `${baseUrl}/assets/images/nopicture.jpg`;
+
+  // Clean description for JSON-LD (remove HTML tags)
+  const cleanDescription = product.description
+    ? product.description.replace(/<[^>]*>/g, "").replace(/\n/g, " ")
+    : product.name;
+
+  // Calculate price valid date (current date + 3 months)
+  const priceValidDate = new Date();
+  priceValidDate.setMonth(priceValidDate.getMonth() + 3);
+
+  const jsonLd = {
+    "@context": "https://schema.org/",
+    "@type": "Product",
+    name: product.name,
+    image: [imageUrl],
+    description: cleanDescription,
+    sku: product.articleNumber,
+    ...(product.gtin && { gtin: product.gtin }),
+    brand: {
+      "@type": "Brand",
+      name: product.manufacturer || "Unknown",
+    },
+    offers: {
+      "@type": "Offer",
+      url: productUrl,
+      priceCurrency: config.currency,
+      price: product.price.toString(),
+      priceValidUntil: priceValidDate.toISOString().split("T")[0],
+      itemCondition: "https://schema.org/NewCondition",
+      availability: product.available
+        ? "https://schema.org/InStock"
+        : "https://schema.org/OutOfStock",
+      seller: {
+        "@type": "Organization",
+        name: config.brandName,
+      },
+    },
+  };
+
+  // Add breadcrumb if category information is available
+  if (categoryInfo && categoryInfo.name && categoryInfo.seoName) {
+    jsonLd.breadcrumb = {
+      "@type": "BreadcrumbList",
+      itemListElement: [
+        {
+          "@type": "ListItem",
+          position: 1,
+          name: "Home",
+          item: baseUrl,
+        },
+        {
+          "@type": "ListItem",
+          position: 2,
+          name: categoryInfo.name,
+          item: `${baseUrl}/Kategorie/${categoryInfo.seoName}`,
+        },
+        {
+          "@type": "ListItem",
+          position: 3,
+          name: product.name,
+          item: productUrl,
+        },
+      ],
+    };
+  }
+
+  return `<script type="application/ld+json">${JSON.stringify(
+    jsonLd
+  )}</script>`;
+};
+
+module.exports = {
+  generateProductMetaTags,
+  generateProductJsonLd,
+};