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(function () { // Early exit if the page doesn't have our UI document.addEventListener('DOMContentLoaded', function () { console.log('[HG] JS loaded'); // Sanity checks if (!window.hg_ajax_obj || !window.hg_ajax_obj.ajaxurl) { console.error('[HG] ajaxurl missing. Is the PHP snippet active?'); return; } var grid = document.getElementById('product-grid'); if (!grid) { console.error('[HG] #product-grid not found. Set the CSS ID on the section containing the Woo Products widget.'); return; } // Use event delegation so columns/buttons/inner elements all work document.addEventListener('click', function (e) { var btn = e.target.closest('.ajax-filter-btn'); if (!btn) return; e.preventDefault(); // Read tag from data attribute var tag = btn.getAttribute('data-tag'); if (!tag) { console.warn('[HG] Clicked filter has no data-tag'); return; } // Active state document.querySelectorAll('.ajax-filter-btn.active').forEach(function (el) { el.classList.remove('active'); }); btn.classList.add('active'); // Loading state grid.classList.add('loading'); console.log('[HG] Sending AJAX for tag:', tag, '→', window.hg_ajax_obj.ajaxurl); // AJAX (fetch) var form = new FormData(); form.append('action', 'heatinggreen_filter_products'); form.append('tag', tag); fetch(window.hg_ajax_obj.ajaxurl, { method: 'POST', credentials: 'same-origin', body: form }) .then(function (r) { return r.json(); }) .then(function (json) { if (!json) { console.error('[HG] Empty JSON response'); return; } if (json.success) { grid.innerHTML = json.data.html; console.log('[HG] Updated grid for tag:', tag); } else { console.error('[HG] Server error:', json.data && json.data.message ? json.data.message : json); } }) .catch(function (err) { console.error('[HG] AJAX error:', err); }) .finally(function () { grid.classList.remove('loading'); }); }); }); })();