@asgerami/zemenay-blog/dist/lib/seo.js

Plug-and-play blog system for Next.js - Get a fully functional blog running in minutes with zero configuration

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.generateSEOFromPost = generateSEOFromPost;
exports.extractDescription = extractDescription;
exports.generateMetaTags = generateMetaTags;
exports.generateStructuredData = generateStructuredData;
const imageUpload_1 = require("./imageUpload");
/**
 * Generate SEO data from a blog post
 */
function generateSEOFromPost(post, baseUrl) {
    // Extract description from content (first 160 characters, strip HTML)
    const description = extractDescription(post.content);
    // Get featured image URL if available
    const image = post.featured_image
        ? (0, imageUpload_1.getImageUrl)(post.featured_image.file_path)
        : undefined;
    // Generate full URL if baseUrl provided
    const url = baseUrl ? `${baseUrl}/blog/${post.slug}` : undefined;
    return {
        title: post.title,
        description,
        image,
        url,
        type: "article",
        publishedTime: post.created_at,
        modifiedTime: post.updated_at,
        author: "Blog Author", // You can customize this
    };
}
/**
 * Extract a clean description from HTML content
 */
function extractDescription(htmlContent, maxLength = 160) {
    // Remove HTML tags
    const textContent = htmlContent.replace(/<[^>]*>/g, "");
    // Clean up whitespace
    const cleanText = textContent.replace(/\s+/g, " ").trim();
    // Truncate to maxLength
    if (cleanText.length <= maxLength) {
        return cleanText;
    }
    // Find the last complete word within the limit
    const truncated = cleanText.substring(0, maxLength);
    const lastSpaceIndex = truncated.lastIndexOf(" ");
    if (lastSpaceIndex > 0) {
        return truncated.substring(0, lastSpaceIndex) + "...";
    }
    return truncated + "...";
}
/**
 * Generate meta tags for SEO
 */
function generateMetaTags(seoData) {
    const tags = {
        title: seoData.title,
        description: seoData.description,
    };
    // Open Graph tags
    tags["og:title"] = seoData.title;
    tags["og:description"] = seoData.description;
    tags["og:type"] = seoData.type || "website";
    if (seoData.url) {
        tags["og:url"] = seoData.url;
    }
    if (seoData.image) {
        tags["og:image"] = seoData.image;
        tags["og:image:alt"] = seoData.title;
    }
    // Twitter Card tags
    tags["twitter:card"] = "summary_large_image";
    tags["twitter:title"] = seoData.title;
    tags["twitter:description"] = seoData.description;
    if (seoData.image) {
        tags["twitter:image"] = seoData.image;
    }
    // Article-specific tags
    if (seoData.type === "article") {
        if (seoData.publishedTime) {
            tags["article:published_time"] = seoData.publishedTime;
        }
        if (seoData.modifiedTime) {
            tags["article:modified_time"] = seoData.modifiedTime;
        }
        if (seoData.author) {
            tags["article:author"] = seoData.author;
        }
    }
    return tags;
}
/**
 * Generate JSON-LD structured data
 */
function generateStructuredData(seoData, baseUrl) {
    const structuredData = {
        "@context": "https://schema.org",
        "@type": seoData.type === "article" ? "BlogPosting" : "WebPage",
        headline: seoData.title,
        description: seoData.description,
    };
    if (seoData.url) {
        structuredData.url = seoData.url;
    }
    if (seoData.image) {
        structuredData.image = {
            "@type": "ImageObject",
            url: seoData.image,
        };
    }
    if (seoData.type === "article") {
        if (seoData.publishedTime) {
            structuredData.datePublished = seoData.publishedTime;
        }
        if (seoData.modifiedTime) {
            structuredData.dateModified = seoData.modifiedTime;
        }
        if (seoData.author) {
            structuredData.author = {
                "@type": "Person",
                name: seoData.author,
            };
        }
        // Add publisher info (customize as needed)
        structuredData.publisher = {
            "@type": "Organization",
            name: "Zemenay Blog",
            url: baseUrl || "",
        };
    }
    return structuredData;
}