https://samuraiswordtokyo.com/wp-content/themes/samurai-sword/assets/quick-order-tab-availability.js?ver=1.0.0

1(() => {
2  'use strict';
3  const root = document.querySelector('.sst-qo');
4  if (!root) return;
5  const tabs = [...root.querySelectorAll('[data-qo-family-tab]')];
6  const protectedTabs = new Set(['top', 'sale', 'all']);
7  const endpoint = root.dataset.qoTabAvailabilityUrl;
8  if (!endpoint) return;
9  let busy = false, lastAttempt = 0;
10  function restoreSelection() {
11    const selected = tabs.find(tab => tab.getAttribute('aria-pressed') === 'true');
12    if (!selected || selected.dataset.qoUnavailable !== '1') return;
13    const fallback = ['top', 'sale', 'all'].map(id => tabs.find(tab => tab.dataset.qoFamilyTab === id && !tab.hidden)).find(Boolean);
14    fallback?.click();
15  }
16  function apply(map) {
17    tabs.forEach(tab => {
18      const id = tab.dataset.qoFamilyTab;
19      if (protectedTabs.has(id) || typeof map[id] !== 'boolean') return;
20      tab.hidden = !map[id];
21      if (map[id]) delete tab.dataset.qoUnavailable;
22      else tab.dataset.qoUnavailable = '1';
23    });
24    restoreSelection();
25  }
26  async function refresh() {
27    if (busy || document.hidden || Date.now() - lastAttempt < 45000) return;
28    busy = true; lastAttempt = Date.now();
29    const controller = new AbortController();
30    const timeout = setTimeout(() => controller.abort(), 15000);
31    try {
32      const response = await fetch(endpoint, {credentials:'same-origin', cache:'no-store', signal:controller.signal});
33      if (!response.ok) return;
34      const payload = await response.json();
35      if (payload.success && payload.data?.tabs) apply(payload.data.tabs);
36    } catch (_) {
37      // Keep the last known tab state when the network is unavailable.
38    } finally { clearTimeout(timeout); busy = false; }
39  }
40  const strip = root.querySelector('[data-qo-family-tabs]');
41  if (strip) new MutationObserver(restoreSelection).observe(strip, {subtree:true, attributes:true, attributeFilter:['aria-pressed']});
42  restoreSelection();
43  refresh();
44  setInterval(refresh, 60000);
45  document.addEventListener('visibilitychange', refresh);
46})();