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Diffstat (limited to 'apps/workers/metascraper-plugins/metascraper-amazon-improved.ts')
| -rw-r--r-- | apps/workers/metascraper-plugins/metascraper-amazon-improved.ts | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/apps/workers/metascraper-plugins/metascraper-amazon-improved.ts b/apps/workers/metascraper-plugins/metascraper-amazon-improved.ts new file mode 100644 index 00000000..ea9bf2e9 --- /dev/null +++ b/apps/workers/metascraper-plugins/metascraper-amazon-improved.ts @@ -0,0 +1,77 @@ +import type { Rules } from "metascraper"; + +/** + * Improved Amazon metascraper plugin that fixes image extraction. + * + * The default metascraper-amazon package uses `.a-dynamic-image` selector + * which matches the FIRST element with that class. On amazon.com pages, + * this is often the Prime logo instead of the product image. + * + * This plugin uses more specific selectors to target the actual product + * image: + * - #landingImage: The main product image ID + * - #imgTagWrapperId img: Fallback container for product images + * - #imageBlock img: Additional fallback for newer Amazon layouts + * + * By placing this plugin BEFORE metascraperAmazon() in the plugin chain, + * we ensure the correct image is extracted while keeping all other Amazon + * metadata (title, brand, description) from the original plugin. + */ + +const REGEX_AMAZON_URL = + /https?:\/\/(.*amazon\..*\/.*|.*amzn\..*\/.*|.*a\.co\/.*)/i; + +const test = ({ url }: { url: string }): boolean => REGEX_AMAZON_URL.test(url); + +const metascraperAmazonImproved = () => { + const rules: Rules = { + pkgName: "metascraper-amazon-improved", + test, + image: ({ htmlDom }) => { + // Try the main product image ID first (most reliable) + // Prefer data-old-hires attribute for high-resolution images + const landingImageHires = htmlDom("#landingImage").attr("data-old-hires"); + if (landingImageHires) { + return landingImageHires; + } + + const landingImageSrc = htmlDom("#landingImage").attr("src"); + if (landingImageSrc) { + return landingImageSrc; + } + + // Fallback to image block container + const imgTagHires = htmlDom("#imgTagWrapperId img").attr( + "data-old-hires", + ); + if (imgTagHires) { + return imgTagHires; + } + + const imgTagSrc = htmlDom("#imgTagWrapperId img").attr("src"); + if (imgTagSrc) { + return imgTagSrc; + } + + // Additional fallback for newer Amazon layouts + const imageBlockHires = htmlDom("#imageBlock img") + .first() + .attr("data-old-hires"); + if (imageBlockHires) { + return imageBlockHires; + } + + const imageBlockSrc = htmlDom("#imageBlock img").first().attr("src"); + if (imageBlockSrc) { + return imageBlockSrc; + } + + // Return undefined to allow next plugin to try + return undefined; + }, + }; + + return rules; +}; + +export default metascraperAmazonImproved; |
