Amazon Product Search

(() => {
  const clean = s => String(s || '').replace(/\s+/g, ' ').trim() || null;
  const num = s => { const m = String(s || '').replace(/[^0-9.]/g, ''); return m ? parseFloat(m) : null; };
  const integer = s => { const m = String(s || '').replace(/[^0-9]/g, ''); return m ? parseInt(m, 10) : null; };
  const currency = s => /£/.test(s) ? 'GBP' : /€/.test(s) ? 'EUR' : /¥/.test(s) ? 'JPY' : 'USD';
  const searchCards = [...document.querySelectorAll('div[data-component-type="s-search-result"][data-asin]')];
  const categoryCards = [...document.querySelectorAll('.p13n-sc-uncoverable-faceout')];
  const cards = searchCards.length ? searchCards : categoryCards;
  const seen = new Set();
  const results = cards.map((card, index) => {
    const link = card.querySelector('a[href*="/dp/"],a[href*="/gp/product/"]');
    const asin = card.dataset.asin || card.getAttribute('data-asin') || link?.href.match(/\/(?:dp|gp\/product)\/([A-Z0-9]{10})/i)?.[1] || null;
    if (!asin || seen.has(asin)) return null;
    seen.add(asin);
    const text = clean(card.innerText) || '';
    const image = card.querySelector('img.s-image,img');
    const heading = card.querySelector('h2,.p13n-sc-truncate,[class*="truncate"]');
    const current = card.querySelector('.a-price:not(.a-text-price) .a-offscreen,.p13n-sc-price');
    const list = card.querySelector('.a-price.a-text-price .a-offscreen,[data-a-strike="true"] .a-offscreen');
    const rating = card.querySelector('.a-icon-alt');
    let reviewCount = null;
    for (const el of card.querySelectorAll('[aria-label]')) {
      const label = el.getAttribute('aria-label') || '';
      if (/^[\d,]+\s+ratings?$/i.test(label)) { reviewCount = integer(label); break; }
    }
    const price = num(current?.textContent), listPrice = num(list?.textContent);
    const title = clean(heading?.innerText) || clean((image?.alt || '').replace(/^Sponsored Ad\s*-\s*/i, ''));
    const sponsored = !!card.querySelector('.puis-sponsored-label-text,.s-sponsored-label-text,[aria-label*="Sponsored"],[data-component-type="sp-sponsored-result"]');
    return {
      asin, rank: searchCards.length ? null : index + 1, title,
      imageUrl: image ? (image.currentSrc || image.src || null) : null,
      price: price == null ? null : { formatted: clean(current.textContent), raw: price, currency: currency(current.textContent) },
      listPrice: listPrice == null ? null : { formatted: clean(list.textContent), raw: listPrice, currency: currency(list.textContent) },
      discountPercent: price != null && listPrice != null && listPrice > price ? Math.round((1 - price / listPrice) * 100) : null,
      rating: { stars: rating ? num(rating.textContent.split(' ')[0]) : null, reviewCount },
      primeEligible: !!card.querySelector('[data-cy="delivery-recipe"] .prime-brand-color,i.a-icon-prime') || /\bPrime\b/i.test(text),
      todaysDeal: /Today's Deal|Deal of the Day|Lightning Deal/i.test(text), sponsored,
      badges: [/Amazon's Choice/i.test(text) && "Amazon's Choice", /Best Seller/i.test(text) && 'Best Seller', /Climate Pledge Friendly/i.test(text) && 'Climate Pledge Friendly', /Today's Deal|Deal of the Day|Lightning Deal/i.test(text) && "Today's Deal"].filter(Boolean),
      url: `https://www.amazon.com/dp/${asin}`
    };
  }).filter(Boolean);
  const header = document.querySelector('[data-component-type="s-result-info-bar"],.s-breadcrumb');
  const headerText = clean(header?.innerText) || '';
  const match = headerText.match(/of\s+(over\s+)?([\d,]+)\s+results/i) || headerText.match(/([\d,]+)\s+results/i);
  const bodyText = clean(document.body?.innerText) || '';
  const noResults = /no results for|did not match any products|we couldn't find any results/i.test(bodyText) || (!!document.querySelector('h3') && results.length === 0);
  const fallback = noResults && results.length > 0;
  return { url: location.href, totalResultCount: match ? parseInt(match[match.length - 1].replace(/,/g, ''), 10) : null, resultCount: results.length, noResults, fallback, results };
})()