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// Cart count badge in the site header. Lived inside `initTabs()` until the |
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// dashboard strips became described regions and `core/tabs.ts` went away; it |
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// was never tab behaviour, it just ran on every page from the one place that |
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// already did. |
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/** Fill the header cart link with its item count, and reveal it when non-zero. |
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* Inert on pages without `#nav-cart-link` (`partials/site_header.html`). */ |
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export function initCartBadge(): void { |
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const cartLink = document.getElementById('nav-cart-link'); |
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if (!cartLink) return; |
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|
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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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|