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// Tab navigation + overflow ("More" dropdown), ported from mnw.js:85-275. |
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function debounce(fn: () => void, ms: number): () => void { |
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let timer: ReturnType<typeof setTimeout>; |
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return () => { |
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clearTimeout(timer); |
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timer = setTimeout(fn, ms); |
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}; |
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} |
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|
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const tabOverflow = (() => { |
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let containers: HTMLElement[] = []; |
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|
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function updateHighlight(tabsEl: Element): void { |
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const moreWrap = tabsEl.querySelector('.tab-more-wrap'); |
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if (!moreWrap) return; |
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const moreBtn = moreWrap.querySelector('.tab-more-btn'); |
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const menu = moreWrap.querySelector('.tab-overflow-menu'); |
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if (!moreBtn || !menu) return; |
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// `chosen` and not the site's `.is-selected`: the More button is built with |
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// `className = 'tab tab-more-btn'`, so it is a tab and takes the tab's name |
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// for the state. That name is makeover's, spelled once. |
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const hasActive = menu.querySelector('.tab.chosen'); |
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moreBtn.classList.toggle('chosen', !!hasActive); |
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} |
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|
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function reflow(tabsEl: HTMLElement): void { |
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const moreWrap = tabsEl.querySelector<HTMLElement>('.tab-more-wrap'); |
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if (!moreWrap) return; |
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const menu = moreWrap.querySelector<HTMLElement>('.tab-overflow-menu'); |
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if (!menu) return; |
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|
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// Move all tabs back from the menu into the row (before moreWrap). |
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Array.from(menu.children).forEach((t) => tabsEl.insertBefore(t, moreWrap)); |
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moreWrap.style.display = 'none'; |
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|
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const tabs = Array.from(tabsEl.querySelectorAll<HTMLElement>(':scope > .tab')); |
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if (tabs.length === 0) return; |
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|
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const available = tabsEl.clientWidth; |
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let totalWidth = 0; |
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tabs.forEach((t) => { |
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totalWidth += t.offsetWidth; |
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}); |
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if (totalWidth <= available) return; |
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|
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const moreBtnWidth = 90; |
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let used = 0; |
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let cutoff = tabs.length; |
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for (let i = 0; i < tabs.length; i++) { |
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used += tabs[i].offsetWidth; |
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if (used + moreBtnWidth > available) { |
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cutoff = i; |
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break; |
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} |
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} |
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if (cutoff < 1) cutoff = 1; |
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for (let j = cutoff; j < tabs.length; j++) menu.appendChild(tabs[j]); |
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moreWrap.style.display = ''; |
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updateHighlight(tabsEl); |
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} |
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|
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function setup(tabsEl: HTMLElement): void { |
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if (tabsEl.dataset.overflowInit) return; |
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tabsEl.dataset.overflowInit = '1'; |
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|
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const moreWrap = document.createElement('div'); |
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moreWrap.className = 'tab-more-wrap'; |
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moreWrap.style.display = 'none'; |
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|
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const moreBtn = document.createElement('button'); |
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moreBtn.className = 'tab tab-more-btn'; |
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moreBtn.type = 'button'; |
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moreBtn.textContent = 'More'; |
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moreBtn.setAttribute('aria-haspopup', 'true'); |
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moreBtn.setAttribute('aria-expanded', 'false'); |
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moreBtn.addEventListener('click', (e) => { |
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e.stopPropagation(); |
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const m = moreWrap.querySelector<HTMLElement>('.tab-overflow-menu'); |
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if (!m) return; |
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const open = m.style.display === 'block'; |
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m.style.display = open ? 'none' : 'block'; |
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moreBtn.setAttribute('aria-expanded', open ? 'false' : 'true'); |
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}); |
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|
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const menu = document.createElement('div'); |
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menu.className = 'tab-overflow-menu'; |
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menu.style.display = 'none'; |
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|
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moreWrap.appendChild(moreBtn); |
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moreWrap.appendChild(menu); |
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|
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const spinner = tabsEl.querySelector('.htmx-indicator'); |
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if (spinner) tabsEl.insertBefore(moreWrap, spinner); |
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else tabsEl.appendChild(moreWrap); |
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|
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reflow(tabsEl); |
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} |
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|
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function reflowAll(): void { |
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containers.forEach(reflow); |
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} |
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|
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function init(): void { |
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containers = Array.from(document.querySelectorAll<HTMLElement>('.tabs[role="tablist"]')); |
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containers.forEach(setup); |
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window.addEventListener('resize', debounce(reflowAll, 150)); |
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} |
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|
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return { init, updateHighlight }; |
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})(); |
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|
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/** Activate a tab button: toggle selected state, wire aria, sync the hash, and |
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* update the overflow highlight. Ported from mnw.js:85. */ |
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export function setActiveTab(btn: HTMLElement): void { |
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const container = btn.closest('.tabs'); |
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if (!container) return; |
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container.querySelectorAll('.tab').forEach((tab) => { |
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tab.classList.remove('chosen'); |
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tab.setAttribute('aria-selected', 'false'); |
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}); |
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btn.classList.add('chosen'); |
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btn.setAttribute('aria-selected', 'true'); |
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const panel = document.getElementById('tab-content'); |
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if (panel) panel.setAttribute('aria-labelledby', btn.id); |
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if (btn.id) history.replaceState(null, '', '#' + btn.id); |
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const menu = btn.closest<HTMLElement>('.tab-overflow-menu'); |
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if (menu) menu.style.display = 'none'; |
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tabOverflow.updateHighlight(container); |
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} |
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|
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/** One-time tab wiring: hover preload, overflow init, hash restore, outside- |
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* click close, cart-count badge. Ported from mnw.js:227. */ |
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export function initTabs(): void { |
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document.querySelectorAll<HTMLElement>('.tab').forEach((btn) => { |
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btn.addEventListener('mouseenter', function (this: HTMLElement) { |
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if (this.dataset.preloaded) return; |
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const url = this.getAttribute('hx-get'); |
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if (!url) return; |
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this.dataset.preloaded = '1'; |
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fetch(url, { headers: { 'HX-Request': 'true' } }).catch(() => {}); |
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}); |
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}); |
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|
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tabOverflow.init(); |
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|
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const hash = location.hash.replace('#', ''); |
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if (hash) { |
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const tab = document.getElementById(hash); |
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if (tab && tab.classList.contains('tab')) tab.click(); |
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} |
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|
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document.addEventListener('click', () => { |
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document.querySelectorAll<HTMLElement>('.tab-overflow-menu').forEach((m) => { |
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m.style.display = 'none'; |
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}); |
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document.querySelectorAll('.tab-more-btn').forEach((b) => b.setAttribute('aria-expanded', 'false')); |
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}); |
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|
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const cartLink = document.getElementById('nav-cart-link'); |
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if (cartLink) { |
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fetch('/api/cart/count', { credentials: 'same-origin' }) |
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.then((r) => (r.ok ? r.json() : null)) |
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.then((data: { count?: number } | null) => { |
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if (data && typeof data.count === 'number' && data.count > 0) { |
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cartLink.classList.remove('hidden'); |
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const badge = document.getElementById('cart-badge'); |
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if (badge) badge.textContent = ' (' + data.count + ')'; |
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} |
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}) |
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.catch(() => {}); |
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} |
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} |
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