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.
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seb
277
prerender/seo/llms.cjs
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277
prerender/seo/llms.cjs
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const generateLlmsTxt = (allCategories = [], allProductsData = [], baseUrl, config) => {
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const currentDate = new Date().toISOString().split("T")[0]; // YYYY-MM-DD format
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// Group products by category for statistics
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const productsByCategory = {};
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allProductsData.forEach((product) => {
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const categoryId = product.categoryId || 'uncategorized';
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if (!productsByCategory[categoryId]) {
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productsByCategory[categoryId] = [];
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}
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productsByCategory[categoryId].push(product);
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});
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// Find category names for organization
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const categoryMap = {};
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allCategories.forEach((cat) => {
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categoryMap[cat.id] = cat.name;
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});
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let llmsTxt = `# ${config.siteName} - Site Map for LLMs
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Generated: ${currentDate}
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Base URL: ${baseUrl}
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## About ${config.brandName}
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GrowHeads.de is a German online shop and local store in Dresden specializing in high-quality seeds, plants, and gardening supplies for cannabis cultivation.
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## Site Structure
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### Static Pages
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- **Home** - ${baseUrl}/
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- **Datenschutz (Privacy Policy)** - ${baseUrl}/datenschutz
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- **Impressum (Legal Notice)** - ${baseUrl}/impressum
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- **AGB (Terms & Conditions)** - ${baseUrl}/agb
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- **Widerrufsrecht (Right of Withdrawal)** - ${baseUrl}/widerrufsrecht
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- **Batteriegesetzhinweise (Battery Law Notice)** - ${baseUrl}/batteriegesetzhinweise
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- **Sitemap** - ${baseUrl}/sitemap
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- **Growbox Konfigurator** - ${baseUrl}/Konfigurator - Interactive tool to configure grow box setups with bundle discounts
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- **Profile** - ${baseUrl}/profile - User account and order management
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### Site Features
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- **Language**: German (${config.language})
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- **Currency**: ${config.currency} (Euro)
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- **Shipping**: ${config.country}
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- **Payment Methods**: Credit Cards, PayPal, Bank Transfer, Cash on Delivery, Cash on Pickup
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### Product Categories (${allCategories.length} categories)
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`;
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// Add categories with links to their detailed LLM files
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allCategories.forEach((category) => {
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if (category.seoName) {
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const productCount = productsByCategory[category.id]?.length || 0;
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const categorySlug = category.seoName.toLowerCase().replace(/[^a-z0-9]/g, '-');
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const productsPerPage = 50;
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const totalPages = Math.ceil(productCount / productsPerPage);
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llmsTxt += `#### ${category.name} (${productCount} products)`;
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if (totalPages > 1) {
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llmsTxt += `
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- **Product Catalog**: ${totalPages} pages available
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- **Page 1**: ${baseUrl}/llms-${categorySlug}-page-1.txt (Products 1-${Math.min(productsPerPage, productCount)})`;
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if (totalPages > 2) {
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llmsTxt += `
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- **Page 2**: ${baseUrl}/llms-${categorySlug}-page-2.txt (Products ${productsPerPage + 1}-${Math.min(productsPerPage * 2, productCount)})`;
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}
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if (totalPages > 3) {
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llmsTxt += `
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- **...**: Additional pages available`;
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}
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if (totalPages > 2) {
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llmsTxt += `
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- **Page ${totalPages}**: ${baseUrl}/llms-${categorySlug}-page-${totalPages}.txt (Products ${((totalPages - 1) * productsPerPage) + 1}-${productCount})`;
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}
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llmsTxt += `
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- **Access Pattern**: Replace "page-X" with desired page number (1-${totalPages})`;
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} else if (productCount > 0) {
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llmsTxt += `
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- **Product Catalog**: ${baseUrl}/llms-${categorySlug}-page-1.txt`;
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} else {
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llmsTxt += `
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- **Product Catalog**: No products available`;
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}
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llmsTxt += `
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`;
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}
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});
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llmsTxt += `
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---
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*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.*
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`;
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return llmsTxt;
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};
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const generateCategoryLlmsTxt = (category, categoryProducts = [], baseUrl, config, pageNumber = 1, productsPerPage = 50) => {
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const currentDate = new Date().toISOString().split("T")[0]; // YYYY-MM-DD format
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const categorySlug = category.seoName.toLowerCase().replace(/[^a-z0-9]/g, '-');
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// Calculate pagination
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const totalProducts = categoryProducts.length;
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const totalPages = Math.ceil(totalProducts / productsPerPage);
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const startIndex = (pageNumber - 1) * productsPerPage;
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const endIndex = Math.min(startIndex + productsPerPage, totalProducts);
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const pageProducts = categoryProducts.slice(startIndex, endIndex);
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let categoryLlmsTxt = `# ${category.name} - Product Catalog (Page ${pageNumber} of ${totalPages})
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Generated: ${currentDate}
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Base URL: ${baseUrl}
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Category: ${category.name} (ID: ${category.id})
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Category URL: ${baseUrl}/Kategorie/${category.seoName}
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## Category Overview
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This file contains products ${startIndex + 1}-${endIndex} of ${totalProducts} in the "${category.name}" category from ${config.siteName}.
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**Statistics:**
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- **Total Products in Category**: ${totalProducts}
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- **Products on This Page**: ${pageProducts.length}
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- **Current Page**: ${pageNumber} of ${totalPages}
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- **Category ID**: ${category.id}
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- **Category URL**: ${baseUrl}/Kategorie/${category.seoName}
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- **Back to Main Sitemap**: ${baseUrl}/llms.txt
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`;
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// Add navigation hints for LLMs
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if (totalPages > 1) {
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categoryLlmsTxt += `## Navigation for LLMs
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**How to access other pages in this category:**
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`;
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if (pageNumber > 1) {
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categoryLlmsTxt += `- **Previous Page**: ${baseUrl}/llms-${categorySlug}-page-${pageNumber - 1}.txt
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`;
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}
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if (pageNumber < totalPages) {
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categoryLlmsTxt += `- **Next Page**: ${baseUrl}/llms-${categorySlug}-page-${pageNumber + 1}.txt
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`;
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}
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categoryLlmsTxt += `- **First Page**: ${baseUrl}/llms-${categorySlug}-page-1.txt
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- **Last Page**: ${baseUrl}/llms-${categorySlug}-page-${totalPages}.txt
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**All pages in this category:**
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`;
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for (let i = 1; i <= totalPages; i++) {
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categoryLlmsTxt += `- **Page ${i}**: ${baseUrl}/llms-${categorySlug}-page-${i}.txt (Products ${((i-1) * productsPerPage) + 1}-${Math.min(i * productsPerPage, totalProducts)})
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`;
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}
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categoryLlmsTxt += `
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`;
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}
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if (pageProducts.length > 0) {
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pageProducts.forEach((product, index) => {
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if (product.seoName) {
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// Clean description for markdown (remove HTML tags and limit length)
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const cleanDescription = product.description
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? product.description
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.replace(/<[^>]*>/g, "")
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.replace(/\n/g, " ")
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.trim()
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.substring(0, 300)
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: "";
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const globalIndex = startIndex + index + 1;
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categoryLlmsTxt += `## ${globalIndex}. ${product.name}
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- **Product URL**: ${baseUrl}/Artikel/${product.seoName}
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- **Article Number**: ${product.articleNumber || 'N/A'}
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- **Price**: €${product.price || '0.00'}
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- **Brand**: ${product.manufacturer || config.brandName}
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- **Availability**: ${product.available ? 'In Stock' : 'Out of Stock'}`;
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if (product.gtin) {
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categoryLlmsTxt += `
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- **GTIN**: ${product.gtin}`;
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}
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if (product.weight && !isNaN(product.weight)) {
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categoryLlmsTxt += `
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- **Weight**: ${product.weight}g`;
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}
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if (cleanDescription) {
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categoryLlmsTxt += `
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**Description:**
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${cleanDescription}${product.description && product.description.length > 300 ? '...' : ''}`;
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}
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categoryLlmsTxt += `
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---
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`;
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}
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});
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} else {
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categoryLlmsTxt += `## No Products Available
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This category currently contains no products.
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`;
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}
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// Add footer navigation for convenience
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if (totalPages > 1) {
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categoryLlmsTxt += `## Page Navigation
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`;
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if (pageNumber > 1) {
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categoryLlmsTxt += `← [Previous Page](${baseUrl}/llms-${categorySlug}-page-${pageNumber - 1}.txt) | `;
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}
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categoryLlmsTxt += `[Category Overview](${baseUrl}/llms-${categorySlug}-page-1.txt)`;
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if (pageNumber < totalPages) {
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categoryLlmsTxt += ` | [Next Page](${baseUrl}/llms-${categorySlug}-page-${pageNumber + 1}.txt) →`;
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}
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categoryLlmsTxt += `
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`;
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}
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categoryLlmsTxt += `---
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*This category product list is automatically generated during the site build process. Product availability and pricing are updated in real-time on the main website.*
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`;
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return categoryLlmsTxt;
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};
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// Helper function to generate all pages for a category
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const generateAllCategoryLlmsPages = (category, categoryProducts = [], baseUrl, config, productsPerPage = 50) => {
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const totalProducts = categoryProducts.length;
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const totalPages = Math.ceil(totalProducts / productsPerPage);
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const pages = [];
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for (let pageNumber = 1; pageNumber <= totalPages; pageNumber++) {
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const pageContent = generateCategoryLlmsTxt(category, categoryProducts, baseUrl, config, pageNumber, productsPerPage);
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const categorySlug = category.seoName.toLowerCase().replace(/[^a-z0-9]/g, '-');
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const fileName = `llms-${categorySlug}-page-${pageNumber}.txt`;
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pages.push({
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fileName,
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content: pageContent,
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pageNumber,
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totalPages
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});
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}
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return pages;
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};
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module.exports = {
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generateLlmsTxt,
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generateCategoryLlmsTxt,
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generateAllCategoryLlmsPages,
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};
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