VSNCOOKBOOK / LIVE EXAMPLE
Product Filters example with VSN.js
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<style>
:root {
color-scheme: light;
--ink: #1f2430;
--muted: #5b6574;
--accent: #0f2f2a;
--accent-soft: #dbe7dd;
--panel: #f9f5ef;
--panel-deep: #efe7db;
--card: #ffffff;
--edge: rgba(15, 47, 42, 0.18);
--shadow: 0 28px 60px rgba(26, 24, 32, 0.16);
--radius: 20px;
}
#product-filters-app {
font-family: "Avenir Next", "Gill Sans", "Trebuchet MS", sans-serif;
color: var(--ink);
background: linear-gradient(135deg, #f7f2e8 0%, #f0efe9 40%, #e9f0ee 100%);
border-radius: 28px;
padding: 32px;
box-shadow: var(--shadow);
}
#product-filters-app .app-header {
display: flex;
justify-content: space-between;
gap: 24px;
margin-bottom: 28px;
}
#product-filters-app .eyebrow {
text-transform: uppercase;
letter-spacing: 0.22em;
font-size: 0.7rem;
font-weight: 700;
color: var(--muted);
}
#product-filters-app h1 {
font-family: "Bodoni 72", "Didot", "Times New Roman", serif;
font-size: clamp(2.2rem, 3vw, 3.2rem);
margin: 6px 0;
}
#product-filters-app .subtitle {
margin: 0;
color: var(--muted);
max-width: 460px;
}
#product-filters-app .filters-layout {
display: grid;
grid-template-columns: minmax(220px, 1fr) minmax(0, 3fr);
gap: 28px;
}
#product-filters-app .filters-panel {
background: var(--panel);
border-radius: var(--radius);
padding: 20px;
border: 1px solid var(--edge);
position: sticky;
top: 24px;
height: fit-content;
}
#product-filters-app .panel-header {
margin-bottom: 16px;
}
#product-filters-app .panel-header h3 {
font-size: 1.1rem;
margin: 0 0 6px;
}
#product-filters-app .panel-note {
font-size: 0.85rem;
color: var(--muted);
margin: 0;
}
#product-filters-app .filter-group {
margin-bottom: 18px;
padding-bottom: 16px;
border-bottom: 1px dashed rgba(31, 36, 48, 0.15);
}
#product-filters-app .filter-label {
font-size: 0.75rem;
font-weight: 700;
text-transform: uppercase;
letter-spacing: 0.12em;
color: var(--muted);
margin-bottom: 10px;
}
#product-filters-app .filter-buttons {
display: flex;
flex-wrap: wrap;
gap: 8px;
}
#product-filters-app .filter,
#product-filters-app .clear-filters {
border: 1px solid transparent;
border-radius: 999px;
padding: 8px 14px;
font-weight: 600;
background: #fff;
color: var(--accent);
cursor: pointer;
transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}
#product-filters-app .filter[aria-current="true"] {
background: var(--accent);
color: #fff;
box-shadow: 0 8px 18px rgba(15, 47, 42, 0.25);
}
#product-filters-app .filter:hover,
#product-filters-app .clear-filters:hover {
transform: translateY(-1px);
box-shadow: 0 6px 14px rgba(15, 47, 42, 0.15);
}
#product-filters-app .clear-filters {
width: 100%;
margin-top: 12px;
background: var(--accent-soft);
border: 1px solid rgba(15, 47, 42, 0.2);
}
#product-filters-app .products-panel {
display: flex;
flex-direction: column;
gap: 18px;
}
#product-filters-app .products-header {
display: flex;
justify-content: space-between;
align-items: center;
gap: 16px;
}
#product-filters-app .products-header h2 {
font-family: "Bodoni 72", "Didot", "Times New Roman", serif;
font-size: 1.6rem;
margin: 0;
}
#product-filters-app .products-summary {
margin: 4px 0 0;
color: var(--muted);
}
#product-filters-app .active-tags {
font-size: 0.85rem;
color: var(--muted);
text-align: right;
max-width: 260px;
}
#product-filters-app .products-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
gap: 18px;
}
#product-filters-app .product-card {
background: var(--card);
border-radius: 18px;
border: 1px solid var(--edge);
padding: 18px;
display: flex;
flex-direction: column;
gap: 10px;
position: relative;
overflow: hidden;
}
#product-filters-app .product-card::before {
content: "";
position: absolute;
inset: 0;
opacity: 0.08;
background: radial-gradient(circle at top right, var(--tone) 0%, transparent 60%);
pointer-events: none;
}
#product-filters-app .product-card[data-tone="red"] { --tone: #b23a3a; }
#product-filters-app .product-card[data-tone="green"] { --tone: #2f6d57; }
#product-filters-app .product-card[data-tone="blue"] { --tone: #2b4f7d; }
#product-filters-app .product-card[data-tone="amber"] { --tone: #b66a2e; }
#product-filters-app .product-top {
display: flex;
gap: 12px;
align-items: center;
}
#product-filters-app .product-swatch {
width: 38px;
height: 38px;
border-radius: 12px;
background: var(--tone, #c5c8cc);
box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.8);
}
#product-filters-app .product-name {
margin: 0;
font-size: 1rem;
}
#product-filters-app .product-price {
margin: 2px 0 0;
font-weight: 700;
color: var(--accent);
}
#product-filters-app .product-desc {
margin: 0;
color: var(--muted);
font-size: 0.9rem;
}
#product-filters-app .product-tags {
margin: 0;
font-size: 0.75rem;
text-transform: uppercase;
letter-spacing: 0.08em;
color: var(--muted);
}
#product-filters-app .empty-state {
background: var(--panel-deep);
border-radius: 18px;
padding: 24px;
text-align: center;
border: 1px solid var(--edge);
}
@media (max-width: 900px) {
#product-filters-app .filters-layout {
grid-template-columns: 1fr;
}
#product-filters-app .filters-panel {
position: static;
}
#product-filters-app .products-header {
flex-direction: column;
align-items: flex-start;
}
#product-filters-app .active-tags {
text-align: left;
}
}
</style>
<section id="product-filters-app" class="example-card">
<header class="app-header">
<div>
<p class="eyebrow">Studio Stock</p>
<h1>Market Shelf</h1>
<p class="subtitle">Filter a small catalog of playful home goods by color and material.</p>
</div>
</header>
<div class="filters-layout">
<aside class="filters-panel" id="product-filters">
<div class="panel-header">
<h3>Filters</h3>
</div>
<div class="filter-group" data-group="color">
<p class="filter-label">Color</p>
<div class="filter-buttons">
<button class="filter" type="button" data-filter="red">Red</button>
<button class="filter" type="button" data-filter="green">Green</button>
<button class="filter" type="button" data-filter="blue">Blue</button>
<button class="filter" type="button" data-filter="amber">Amber</button>
</div>
</div>
<div class="filter-group" data-group="material">
<p class="filter-label">Material</p>
<div class="filter-buttons">
<button class="filter" type="button" data-filter="ceramic">Ceramic</button>
<button class="filter" type="button" data-filter="glass">Glass</button>
<button class="filter" type="button" data-filter="linen">Linen</button>
<button class="filter" type="button" data-filter="metal">Metal</button>
</div>
</div>
<button class="clear-filters" type="button">Clear filters</button>
</aside>
<main class="products-panel">
<div class="products-header">
<div>
<h2>Catalog</h2>
<p class="products-summary" vsn-html="summary"></p>
</div>
<p class="active-tags" vsn-html="activeFiltersTags"></p>
</div>
<div class="products-grid" vsn-show="hasResults">
<article
class="product-card"
itemscope
itemtype="https://schema.org/Product"
>
<meta itemprop="color" content="red">
<meta itemprop="material" content="ceramic">
<meta itemprop="sku" content="1">
<div class="product-top">
<div class="product-swatch"></div>
<div>
<h3 class="product-name" itemprop="name">Crimson Clay Mug</h3>
<p class="product-price" itemprop="offers" itemscope itemtype="https://schema.org/Offer">
<span class="price-display">$18</span>
<meta itemprop="price" content="18.00">
<meta itemprop="priceCurrency" content="USD">
</p>
</div>
</div>
<p class="product-desc" itemprop="description">Hand-thrown stoneware with a satin red glaze.</p>
<p class="product-tags">red / ceramic</p>
</article>
<article
class="product-card"
itemscope
itemtype="https://schema.org/Product"
>
<meta itemprop="color" content="green">
<meta itemprop="material" content="linen">
<meta itemprop="sku" content="2">
<div class="product-top">
<div class="product-swatch"></div>
<div>
<h3 class="product-name" itemprop="name">Verdant Linen Runner</h3>
<p class="product-price" itemprop="offers" itemscope itemtype="https://schema.org/Offer">
<span class="price-display">$36</span>
<meta itemprop="price" content="36.00">
<meta itemprop="priceCurrency" content="USD">
</p>
</div>
</div>
<p class="product-desc" itemprop="description">Soft washed linen for morning tables.</p>
<p class="product-tags">green / linen</p>
</article>
<article
class="product-card"
itemscope
itemtype="https://schema.org/Product"
>
<meta itemprop="color" content="blue">
<meta itemprop="material" content="glass">
<meta itemprop="sku" content="3">
<div class="product-top">
<div class="product-swatch"></div>
<div>
<h3 class="product-name" itemprop="name">Blue Harbor Glass</h3>
<p class="product-price" itemprop="offers" itemscope itemtype="https://schema.org/Offer">
<span class="price-display">$24</span>
<meta itemprop="price" content="24.00">
<meta itemprop="priceCurrency" content="USD">
</p>
</div>
</div>
<p class="product-desc" itemprop="description">Weighted tumbler with a cool blue tint.</p>
<p class="product-tags">blue / glass</p>
</article>
<article
class="product-card"
itemscope
itemtype="https://schema.org/Product"
>
<meta itemprop="color" content="amber">
<meta itemprop="material" content="glass">
<meta itemprop="tone" content="amber">
<meta itemprop="sku" content="4">
<div class="product-top">
<div class="product-swatch"></div>
<div>
<h3 class="product-name" itemprop="name">Amber Prism Vase</h3>
<p class="product-price" itemprop="offers" itemscope itemtype="https://schema.org/Offer">
<span class="price-display">$42</span>
<meta itemprop="price" content="42.00">
<meta itemprop="priceCurrency" content="USD">
</p>
</div>
</div>
<p class="product-desc" itemprop="description">Faceted glass vase that glows at sunset.</p>
<p class="product-tags">amber / glass</p>
</article>
<article
class="product-card"
itemscope
itemtype="https://schema.org/Product"
>
<meta itemprop="color" content="blue">
<meta itemprop="material" content="metal">
<meta itemprop="sku" content="5">
<div class="product-top">
<div class="product-swatch"></div>
<div>
<h3 class="product-name" itemprop="name">Oxidized Desk Tray</h3>
<p class="product-price" itemprop="offers" itemscope itemtype="https://schema.org/Offer">
<span class="price-display">$29</span>
<meta itemprop="price" content="29.00">
<meta itemprop="priceCurrency" content="USD">
</p>
</div>
</div>
<p class="product-desc" itemprop="description">Brushed metal catchall for keys and pens.</p>
<p class="product-tags">blue / metal</p>
</article>
<article
class="product-card"
itemscope
itemtype="https://schema.org/Product"
>
<meta itemprop="color" content="green">
<meta itemprop="material" content="ceramic">
<meta itemprop="sku" content="6">
<div class="product-top">
<div class="product-swatch"></div>
<div>
<h3 class="product-name" itemprop="name">Forest Stack Plates</h3>
<p class="product-price" itemprop="offers" itemscope itemtype="https://schema.org/Offer">
<span class="price-display">$52</span>
<meta itemprop="price" content="52.00">
<meta itemprop="priceCurrency" content="USD">
</p>
</div>
</div>
<p class="product-desc" itemprop="description">Stack of four ceramic plates with green speckle.</p>
<p class="product-tags">green / ceramic</p>
</article>
<article
class="product-card"
itemscope
itemtype="https://schema.org/Product"
>
<meta itemprop="color" content="red">
<meta itemprop="material" content="metal">
<meta itemprop="sku" content="7">
<div class="product-top">
<div class="product-swatch"></div>
<div>
<h3 class="product-name" itemprop="name">Rosin Wall Hooks</h3>
<p class="product-price" itemprop="offers" itemscope itemtype="https://schema.org/Offer">
<span class="price-display">$22</span>
<meta itemprop="price" content="22.00">
<meta itemprop="priceCurrency" content="USD">
</p>
</div>
</div>
<p class="product-desc" itemprop="description">Set of three colored metal hooks.</p>
<p class="product-tags">red / metal</p>
</article>
<article
class="product-card"
itemscope
itemtype="https://schema.org/Product"
>
<meta itemprop="color" content="blue">
<meta itemprop="material" content="linen">
<meta itemprop="sku" content="8">
<div class="product-top">
<div class="product-swatch"></div>
<div>
<h3 class="product-name" itemprop="name">Indigo Linen Napkins</h3>
<p class="product-price" itemprop="offers" itemscope itemtype="https://schema.org/Offer">
<span class="price-display">$30</span>
<meta itemprop="price" content="30.00">
<meta itemprop="priceCurrency" content="USD">
</p>
</div>
</div>
<p class="product-desc" itemprop="description">Two-piece linen set dyed in deep blue.</p>
<p class="product-tags">blue / linen</p>
</article>
</div>
<div class="empty-state" vsn-show="noResults">
<h3>No matches</h3>
<p>Try removing a filter or clearing the list.</p>
</div>
</main>
</div>
</section>
<script type="text/vsn">
#product-filters-app {
activeFiltersTags: "";
hasResults: true;
noResults: false;
updateVisible() {
visibleProducts = 0;
tags = [];
for (group of filterGroups) {
tag = group.filter;
if (tag)
tags.push(tag);
}
for (product of products) {
active = true;
for (tag of tags) {
if (product.tags.indexOf(tag) === -1) {
active = false;
break;
}
}
product.active = active;
if (product.active)
visibleProducts++;
}
activeFiltersTags = "Filtered by " + tags.join(" / ");
hasResults = visibleProducts > 0;
noResults = !hasResults;
}
clearFilters() {
for (group of filterGroups) {
group.filter = null;
}
updateVisible();
}
.filter-group !group('filterGroups') {
group: @data-group;
filter: null;
.filter !group('filters') {
tag: @data-filter;
@aria-current:< filter == tag;
on click(event) !prevent {
filter = filter == tag ? null : tag;
updateVisible();
}
}
}
.clear-filters {
on click(event) {
clearFilters();
}
}
.product-card !microdata !group("products") {
tags: [];
active: true;
$display:< active ? "block" : "none";
construct {
tags.push(color);
tags.push(material);
@data-tone = color;
}
}
}
</script>