Getting meta title, description, and og:image using cheerio and Node.js

meta-cheerio.js

import * as cheerio from 'cheerio'

export async function getMetadata(url) {
    // Ensure the URL starts with http:// or https://
    if (!url.startsWith('http://') && !url.startsWith('https://')) {
      url = `https://${url}`;
    }

    try {
        // Fetch the HTML content of the URL
        const response = await fetch(url)
        if (!response.ok) {
            throw new Error(`HTTP error! status: ${response.status}`)
        }
        const html = await response.text()

        // Load the HTML content into cheerio
        const $ = cheerio.load(html)

        // Extract metadata
        const metadata = {
            title: $('title').first().text().trim() || '',
            description: $('meta[name="description"]').attr('content') || 
                         $('meta[property="og:description"]').attr('content') || '',
            image: $('meta[property="og:image"]').attr('content') || 
                   $('meta[name="twitter:image"]').attr('content') || ''
        }

        return metadata
    } catch (error) {
        console.error('Error fetching metadata:', error)
        return {
            title: '',
            description: '',
            image: ''
        }
    }
}