Disable sold-out variants
{% comment %}
Disable sold-out variants.
Only works for products that have one option.
It won't work with products that have two or three options, like Size and Color.
See: https://docs.myshopify.io/themes/customization/products/hide-variants-that-are-sold-out
{% endcomment %}
{% if product.options.size == 1 %}
<script>
var $addToCartForm = $('form[action="/cart/add"]');
if (window.MutationObserver && $addToCartForm.length) {
if (typeof observer === 'object' && typeof observer.disconnect === 'function') {
observer.disconnect();
}
var config = { childList: true, subtree: true };
var observer = new MutationObserver(function() {
{% for variant in product.variants %}
{% unless variant.available %}
jQuery('.single-option-selector option:eq({{ forloop.index0 }})').prop('disabled', true);
{% endunless %}
{% endfor %}
jQuery('.single-option-selector').trigger('change');
observer.disconnect();
});
observer.observe($addToCartForm[0], config);
}
</script>
{% endif %}