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{% comment %} | |
Use this snippet to add a responsive image to page. | |
Requires lazysizes.js | |
Specify Shopify image you want to make responsive in the "with" parameter (see examples below). | |
You can use following variables to customize the image | |
* type: specifies the type of image file being accessed (ie an image from content, a product image, or a theme asset image). | |
* default_size: size of placeholder image until full image is loaded (default: '150x') | |
* class: additional classes to be applied to an image | |
* alt: alt text for the image | |
* props: additional properties for the <img /> tag (data-, styles, id, etc.) | |
Usage: | |
* Define variables inside the include tag (preferred): | |
{% include 'responsive-image' with product.image, class: 'product-image', alt: 'A simple product', default_size: '300x', props: 'data-id="1"' %} | |
* Define variables before including this snippet | |
{% assign class = "product-image" %} | |
{% assign alt = "A simple product" %} | |
{% assign default_size = '300x' %} | |
{% capture props %} | |
data-id="1" | |
{% endcapture %} | |
{% include 'responsive-image' with product.image %} | |
{% endcomment %} | |
{% if default_size == blank %} | |
{% assign default_size = '150x' %} | |
{% endif %} | |
{% case type %} | |
{% when blank or 'img' %} | |
{% assign lo_res_url = responsive-image | img_url: default_size %} | |
{% assign responsive_url = responsive-image | img_url: '1x1' | replace: '_1x1.', '_{width}x.' %} | |
{% assign fallback_url = responsive-image | img_url: '1000x1000' %} | |
{% when 'asset' % | |
{% assign lo_res_url = responsive-image | asset_img_url: default_size %} | |
{% assign responsive_url = responsive-image | asset_img_url: '1x1' | replace: '_1x1.', '_{width}x.' %} | |
{% assign fallback_url = responsive-image | asset_img_url: '1000x1000' %} | |
{% when 'file' %} | |
{% assign lo_res_url = responsive-image | file_img_url: default_size %} | |
{% assign responsive_url = responsive-image | file_img_url: '1x1' | replace: '_1x1.', '_{width}x.' %} | |
{% assign fallback_url = responsive-image | file_img_url: '1000x1000' %} | |
{% endcase %} | |
<noscript> | |
<img | |
class="responsive-image {{ class }}" | |
src="{{ fallback_url }}" | |
data-sizes="auto" | |
{% if alt %} | |
alt="{{ alt | escape }}" | |
{% endif %} | |
{{ props }} | |
/> | |
</noscript> | |
<img | |
class="lazyload responsive-image {{ class }}" | |
src="{{ lo_res_url }}" | |
data-src="{{ responsive_url }}" | |
data-sizes="auto" | |
data-aspectratio="{{ responsive-image.aspect_ratio }}" | |
{% if alt %} | |
alt="{{ alt | escape }}" | |
{% endif %} | |
{{ props }} | |
/> |
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