Files
reactShop/prerender/seo/llms.cjs
sebseb7 11ba2db893 u
2025-11-17 08:43:57 +01:00

319 lines
10 KiB
JavaScript

const generateLlmsTxt = (allCategories = [], allProductsData = [], baseUrl, config) => {
const currentDate = new Date().toISOString().split("T")[0]; // YYYY-MM-DD format
// Group products by category for statistics
const productsByCategory = {};
allProductsData.forEach((product) => {
const categoryId = product.categoryId || 'uncategorized';
if (!productsByCategory[categoryId]) {
productsByCategory[categoryId] = [];
}
productsByCategory[categoryId].push(product);
});
// Find category names for organization
const categoryMap = {};
allCategories.forEach((cat) => {
categoryMap[cat.id] = cat.name;
});
let llmsTxt = `# ${config.siteName} - Site Map for LLMs
Generated: ${currentDate}
Base URL: ${baseUrl}
## About ${config.brandName}
GrowHeads.de is a German online shop and local store in Dresden specializing in high-quality seeds, plants, and gardening supplies for cannabis cultivation.
## Site Structure
### Static Pages
- **Home** - ${baseUrl}/
- **Datenschutz (Privacy Policy)** - ${baseUrl}/datenschutz
- **Impressum (Legal Notice)** - ${baseUrl}/impressum
- **AGB (Terms & Conditions)** - ${baseUrl}/agb
- **Widerrufsrecht (Right of Withdrawal)** - ${baseUrl}/widerrufsrecht
- **Batteriegesetzhinweise (Battery Law Notice)** - ${baseUrl}/batteriegesetzhinweise
- **Sitemap** - ${baseUrl}/sitemap
- **Growbox Konfigurator** - ${baseUrl}/Konfigurator - Interactive tool to configure grow box setups with bundle discounts
- **Profile** - ${baseUrl}/profile - User account and order management
### Site Features
- **Language**: German (${config.language})
- **Currency**: ${config.currency} (Euro)
- **Shipping**: ${config.country}
- **Payment Methods**: Credit Cards, PayPal, Bank Transfer, Cash on Delivery, Cash on Pickup
### Product Categories (${allCategories.length} categories)
`;
// Add categories with links to their detailed LLM files
allCategories.forEach((category) => {
if (category.seoName) {
const productCount = productsByCategory[category.id]?.length || 0;
const categorySlug = category.seoName.toLowerCase().replace(/[^a-z0-9]/g, '-');
const productsPerPage = 50;
const totalPages = Math.ceil(productCount / productsPerPage);
llmsTxt += `#### ${category.name} (${productCount} products)`;
if (totalPages > 1) {
llmsTxt += `
- **Product Catalog**: ${totalPages} pages available
- **Page 1**: ${baseUrl}/llms-${categorySlug}-page-1.txt (Products 1-${Math.min(productsPerPage, productCount)})`;
if (totalPages > 2) {
llmsTxt += `
- **Page 2**: ${baseUrl}/llms-${categorySlug}-page-2.txt (Products ${productsPerPage + 1}-${Math.min(productsPerPage * 2, productCount)})`;
}
if (totalPages > 3) {
llmsTxt += `
- **...**: Additional pages available`;
}
if (totalPages > 2) {
llmsTxt += `
- **Page ${totalPages}**: ${baseUrl}/llms-${categorySlug}-page-${totalPages}.txt (Products ${((totalPages - 1) * productsPerPage) + 1}-${productCount})`;
}
llmsTxt += `
- **Access Pattern**: Replace "page-X" with desired page number (1-${totalPages})`;
} else if (productCount > 0) {
llmsTxt += `
- **Product Catalog**: ${baseUrl}/llms-${categorySlug}-page-1.txt`;
} else {
llmsTxt += `
- **Product Catalog**: No products available`;
}
llmsTxt += `
`;
}
});
llmsTxt += `
---
*This sitemap is automatically generated during the site build process and includes all publicly accessible content. For technical inquiries, please refer to our contact information in the Impressum.*
`;
return llmsTxt;
};
const generateCategoryLlmsTxt = (category, categoryProducts = [], baseUrl, config, pageNumber = 1, productsPerPage = 50) => {
const currentDate = new Date().toISOString().split("T")[0]; // YYYY-MM-DD format
const categorySlug = category.seoName.toLowerCase().replace(/[^a-z0-9]/g, '-');
// Calculate pagination
const totalProducts = categoryProducts.length;
const totalPages = Math.ceil(totalProducts / productsPerPage);
const startIndex = (pageNumber - 1) * productsPerPage;
const endIndex = Math.min(startIndex + productsPerPage, totalProducts);
const pageProducts = categoryProducts.slice(startIndex, endIndex);
let categoryLlmsTxt = `# ${category.name} - Product Catalog (Page ${pageNumber} of ${totalPages})
Generated: ${currentDate}
Base URL: ${baseUrl}
Category: ${category.name} (ID: ${category.id})
Category URL: ${baseUrl}/Kategorie/${category.seoName}
## Category Overview
This file contains products ${startIndex + 1}-${endIndex} of ${totalProducts} in the "${category.name}" category from ${config.siteName}.
**Statistics:**
- **Total Products in Category**: ${totalProducts}
- **Products on This Page**: ${pageProducts.length}
- **Current Page**: ${pageNumber} of ${totalPages}
- **Category ID**: ${category.id}
- **Category URL**: ${baseUrl}/Kategorie/${category.seoName}
- **Back to Main Sitemap**: ${baseUrl}/llms.txt
`;
// Add navigation hints for LLMs
if (totalPages > 1) {
categoryLlmsTxt += `## Navigation for LLMs
**How to access other pages in this category:**
`;
if (pageNumber > 1) {
categoryLlmsTxt += `- **Previous Page**: ${baseUrl}/llms-${categorySlug}-page-${pageNumber - 1}.txt
`;
}
if (pageNumber < totalPages) {
categoryLlmsTxt += `- **Next Page**: ${baseUrl}/llms-${categorySlug}-page-${pageNumber + 1}.txt
`;
}
categoryLlmsTxt += `- **First Page**: ${baseUrl}/llms-${categorySlug}-page-1.txt
- **Last Page**: ${baseUrl}/llms-${categorySlug}-page-${totalPages}.txt
**All pages in this category:**
`;
for (let i = 1; i <= totalPages; i++) {
categoryLlmsTxt += `- **Page ${i}**: ${baseUrl}/llms-${categorySlug}-page-${i}.txt (Products ${((i-1) * productsPerPage) + 1}-${Math.min(i * productsPerPage, totalProducts)})
`;
}
categoryLlmsTxt += `
`;
}
if (pageProducts.length > 0) {
pageProducts.forEach((product, index) => {
if (product.seoName) {
// Clean description for markdown (remove HTML tags and limit length)
const cleanDescription = product.description
? product.description
.replace(/<[^>]*>/g, "")
.replace(/\n/g, " ")
.trim()
.substring(0, 300)
: "";
const globalIndex = startIndex + index + 1;
categoryLlmsTxt += `## ${globalIndex}. ${product.name}
- **Product URL**: ${baseUrl}/Artikel/${product.seoName}
`;
if (product.kurzBeschreibung) {
categoryLlmsTxt += `- **Desc:** ${product.kurzBeschreibung}\n`;
}
categoryLlmsTxt += `- **Article Number**: ${product.articleNumber || 'N/A'}
- **Price**: €${product.price || '0.00'}
- **Brand**: ${product.manufacturer || config.brandName}
- **Availability**: ${product.available ? 'In Stock' : 'Out of Stock'}`;
if (product.gtin) {
categoryLlmsTxt += `
- **GTIN**: ${product.gtin}`;
}
if (product.weight && !isNaN(product.weight)) {
categoryLlmsTxt += `
- **Weight**: ${product.weight}g`;
}
if (cleanDescription) {
categoryLlmsTxt += `
**Description:**
${cleanDescription}${product.description && product.description.length > 300 ? '...' : ''}`;
}
categoryLlmsTxt += `
---
`;
}
});
} else {
categoryLlmsTxt += `## No Products Available
This category currently contains no products.
`;
}
// Add footer navigation for convenience
if (totalPages > 1) {
categoryLlmsTxt += `## Page Navigation
`;
if (pageNumber > 1) {
categoryLlmsTxt += `← [Previous Page](${baseUrl}/llms-${categorySlug}-page-${pageNumber - 1}.txt) | `;
}
categoryLlmsTxt += `[Category Overview](${baseUrl}/llms-${categorySlug}-page-1.txt)`;
if (pageNumber < totalPages) {
categoryLlmsTxt += ` | [Next Page](${baseUrl}/llms-${categorySlug}-page-${pageNumber + 1}.txt) →`;
}
categoryLlmsTxt += `
`;
}
categoryLlmsTxt += `---
*This category product list is automatically generated during the site build process. Product availability and pricing are updated in real-time on the main website.*
`;
return categoryLlmsTxt;
};
// Helper function to generate a simple product list for a category
const generateCategoryProductList = (category, categoryProducts = []) => {
const categorySlug = category.seoName.toLowerCase().replace(/[^a-z0-9]/g, '-');
const fileName = `llms-${categorySlug}-list.txt`;
const subcategoryIds = (category.subcategories || []).join(',');
let content = `${String(category.name)},${String(category.id)},[${subcategoryIds}]\n`;
categoryProducts.forEach((product) => {
const artnr = String(product.articleNumber || '');
const price = String(product.price || '0.00');
const name = String(product.name || '');
const kurzBeschreibung = String(product.kurzBeschreibung || '');
// Escape commas in fields by wrapping in quotes if they contain commas
const escapeField = (field) => {
const fieldStr = String(field || '');
if (fieldStr.includes(',')) {
return `"${fieldStr.replace(/"/g, '""')}"`;
}
return fieldStr;
};
content += `${escapeField(artnr)},${escapeField(price)},${escapeField(name)},${escapeField(kurzBeschreibung)}\n`;
});
return {
fileName,
content,
categoryName: category.name,
categoryId: category.id,
productCount: categoryProducts.length
};
};
// Helper function to generate all pages for a category
const generateAllCategoryLlmsPages = (category, categoryProducts = [], baseUrl, config, productsPerPage = 50) => {
const totalProducts = categoryProducts.length;
const totalPages = Math.ceil(totalProducts / productsPerPage);
const pages = [];
for (let pageNumber = 1; pageNumber <= totalPages; pageNumber++) {
const pageContent = generateCategoryLlmsTxt(category, categoryProducts, baseUrl, config, pageNumber, productsPerPage);
const categorySlug = category.seoName.toLowerCase().replace(/[^a-z0-9]/g, '-');
const fileName = `llms-${categorySlug}-page-${pageNumber}.txt`;
pages.push({
fileName,
content: pageContent,
pageNumber,
totalPages
});
}
return pages;
};
module.exports = {
generateLlmsTxt,
generateCategoryLlmsTxt,
generateAllCategoryLlmsPages,
generateCategoryProductList,
};