metascraper-image/src/index.js

Get image property from HTML markup

'use strict'

const { $jsonld, $filter, image, toRule } = require('@metascraper/helpers')

const toImage = toRule(image)

const getSrc = el => el.attr('src')

module.exports = () => {
  const rules = {
    image: [
      toImage($ => $('meta[property="og:image:secure_url"]').attr('content')),
      toImage($ => $('meta[property="og:image:url"]').attr('content')),
      toImage($ => $('meta[property="og:image"]').attr('content')),
      toImage($ => $('meta[name="twitter:image:src"]').attr('content')),
      toImage($ => $('meta[property="twitter:image:src"]').attr('content')),
      toImage($ => $('meta[name="twitter:image"]').attr('content')),
      toImage($ => $('meta[property="twitter:image"]').attr('content')),
      toImage($ => $('meta[itemprop="image"]').attr('content')),
      toImage($jsonld('image.0.url')),
      toImage($jsonld('image.url')),
      toImage($jsonld('image')),
      toImage($ => $filter($, $('article img[src]'), getSrc)),
      toImage($ => $filter($, $('#content img[src]'), getSrc)),
      toImage($ => $('img[alt*="author" i]').attr('src')),
      toImage($ => $('img[src]:not([aria-hidden="true"])').attr('src'))
    ]
  }

  rules.pkgName = 'metascraper-image'

  return rules
}