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https://github.com/codl/forget
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19 lines
525 B
HTML
19 lines
525 B
HTML
{% macro picture(st, basename, widths, formats, sizes=None, alt='') -%}
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{% if not sizes %}
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{% set sizes = '{}px'.format(widths[0]) %}
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{% endif %}
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<picture>
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{%- for format in formats %}
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<source type='image/{{format}}' sizes='{{sizes}}' srcset="
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{%- for width in widths -%}
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{{ st('{}-{}.{}'.format(basename, width, format)) }} {{width}}w,
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{%- endfor -%}
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"/>
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{% endfor %}
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<img src="{{ st('{}-{}.{}'.format(basename, widths[0], formats[-1])) }}" alt="{{alt}}" />
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</picture>
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{%- endmacro %}
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