og:title"]'); if (og && og.content) name = og.content.split('|')[0].trim(); } if (!name && document.title) name = document.title.split('|')[0].trim(); return { name: name || 'Unknown product', url: window.location.href }; } function getProductInfoFor(unavailableEl) { var card = unavailableEl.closest('.hl-product-list-item-details, .c-product-details') || unavailableEl.closest('[class*="product"], li, article'); var title = null; if (card) { var titleEl = card.querySelector( '.hl-product-detail-product-name, .full-text-display, ' + '[class*="product-name"], [class*="product-title"], ' + 'h1,h2,h3,h4,h5,h6, p[title]' ); if (titleEl) title = (titleEl.getAttribute('title') || titleEl.textContent || '').trim(); } var url = null; var linkAncestor = unavailableEl.closest('a[href]'); if (linkAncestor) url = linkAncestor.href; if (!title || !url) { var main = getMainProductInfo(); if (!title) title = main.name; if (!url) url = main.url; } return { name: title, url: url }; } function resolveTrigger() { var el = MODAL_TRIGGER_SELECTOR && document.querySelector(MODAL_TRIGGER_SELECTOR); if (!el) return null; if (el.tagName === 'BUTTON' || el.tagName === 'A') return el; var byId = el.querySelector('[id$="_btn"]'); if (byId) return byId; return el.querySelector('button, a, [role="button"]') || el; } function openModal() { var trigger = resolveTrigger(); if (trigger) { trigger.click(); return true; } console.warn('[Notify] Could not find modal trigger:', MODAL_TRIGGER_SELECTOR); return false; } function findFieldByLabelText(text) { var labels = document.querySelectorAll('label'); for (var i = 0; i < labels.length; i++) { var l = labels[i]; if (l.textContent.trim().toLowerCase() === text.toLowerCase()) { var forId = l.getAttribute('for'); if (forId) { var byId = document.getElementById(forId); if (byId) return byId; } var inside = l.querySelector('input, textarea'); if (inside) return inside; var wrap = l.parentElement; if (wrap) { var sib = wrap.querySelector('input[type="text"], textarea'); if (sib && sib !== l) return sib; } } } return document.querySelector( 'input[aria-label="' + text + '"], textarea[aria-label="' + text + '"], ' + 'input[placeholder="' + text + '"]' ); } function fillFieldWhenReady(value) { var attempts = 0, maxAttempts = 30; var iv = setInterval(function () { attempts++; var field = findFieldByLabelText(FIELD_LABEL_TEXT); if (field) { var proto = Object.getPrototypeOf(field); var desc = Object.getOwnPropertyDescriptor(proto, 'value'); if (desc && desc.set) desc.set.call(field, value); else field.value = value; field.dispatchEvent(new Event('input', { bubbles: true })); field.dispatchEvent(new Event('change', { bubbles: true })); clearInterval(iv); } else if (attempts >= maxAttempts) { clearInterval(iv); console.warn('[Notify] Field not found by label:', FIELD_LABEL_TEXT); } }, 150); } var nextOwnerId = 1; function buildButton(productInfo, ownerId) { var btn = document.createElement('button'); btn.type = 'button'; btn.className = BTN_CLASS; btn.setAttribute(BTN_OWNER, ownerId); btn.setAttribute('aria-label', 'Notify me when this product is back in stock'); btn.innerHTML = '' + '' + 'Notify Me When In Stock'; btn.addEventListener('click', function (e) { e.preventDefault(); e.stopPropagation(); var info = productInfo.resolve(); openModal(); fillFieldWhenReady(info.name + ' — ' + info.url); }); return btn; } function transform(el) { if (!el) return; if (!document.contains(el)) return; var existingId = el.getAttribute(MARK_ATTR); if (existingId) { var existingBtn = document.querySelector( '.' + BTN_CLASS + '[' + BTN_OWNER + '="' + existingId + '"]' ); if (existingBtn && document.contains(existingBtn)) return; } var ownerId = String(nextOwnerId++); el.setAttribute(MARK_ATTR, ownerId); el.textContent = 'This combination is out of stock — see Availability below'; var btn = buildButton({ resolve: function () { return getProductInfoFor(el); } }, ownerId); if (el.nextSibling) el.parentNode.insertBefore(btn, el.nextSibling); else el.parentNode.appendChild(btn); } function pruneOrphans() { var btns = document.querySelectorAll('.' + BTN_CLASS + '[' + BTN_OWNER + ']'); for (var i = 0; i < btns.length; i++) { var b = btns[i]; var owner = b.getAttribute(BTN_OWNER); var src = document.querySelector('.unavailable[' + MARK_ATTR + '="' + owner + '"]'); if (!src || !document.contains(src) || src.offsetParent === null) { b.parentNode && b.parentNode.removeChild(b); } } } function run() { injectStyles(); pruneOrphans(); document.querySelectorAll('.unavailable').forEach(transform); } run(); var rafScheduled = false; new MutationObserver(function () { if (rafScheduled) return; rafScheduled = true; requestAnimationFrame(function () { rafScheduled = false; run(); }); }).observe(document.body, { childList: true, subtree: true }); })();

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