Óscar 1c3db86b75
feat(image shortcodes): add lazy loading (#116)
Additionally sets the `alt` parameters as optional and cleans HTML output.
2023-08-26 01:57:19 +02:00

20 lines
1.5 KiB
HTML

{# The `random_id` ensures that each instance of the shortcode has a "unique" id #}
{# allowing individual interactive elements (like toggles) to function correctly. #}
{# This avoids conflicts when multiple instances of the shortcode are used. #}
{%- set random_id = get_random(end=100000) -%}
{%- set default_meta = get_image_metadata(path=default_src, allow_missing=true) -%}
{%- set toggled_meta = get_image_metadata(path=toggled_src, allow_missing=true) -%}
{%- set lazy_loading = lazy_loading | default(value=true) -%}
<div class="image-toggler-container {% if full_width | default(value=false) %}full-width{% endif %}">
<input type="checkbox" id="toggle-img-{{ random_id }}" class="image-toggler-toggle">
<label for="toggle-img-{{ random_id }}" class="image-label">
<div class="image-default">
<img src="{{ get_url(path=default_src) }}"{% if lazy_loading %} loading="lazy"{% endif %}{% if default_alt %} alt="{{ default_alt }}"{% endif %}{% if default_meta.width %} width="{{ default_meta.width }}"{% endif %}{% if default_meta.height %} height="{{ default_meta.height }}"{% endif %}>
</div>
<div class="image-toggled">
<img src="{{ get_url(path=toggled_src) }}"{% if lazy_loading %} loading="lazy"{% endif %}{% if toggled_alt %} alt="{{ toggled_alt }}"{% endif %}{% if toggled_meta.width %} width="{{ toggled_meta.width }}"{% endif %}{% if toggled_meta.height %} height="{{ toggled_meta.height }}"{% endif %}>
</div>
</label>
</div>