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attilagyorffy/application_helper.rb

Created June 11, 2017 14:31
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Responsive Images in Rails applications
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application_helper.rb
module ApplicationHelper
def responsive_image_tag(image, options = {})
content_tag(:picture) do
concat content_tag(:source, nil, media: '(max-width: 768px)', srcset: image.url(:thumbnail_mobile))
concat content_tag(:source, nil, media: '(max-width: 960px)', srcset: image.url(:thumbnail_tablet))
concat image_tag(image.url(:thumbnail_desktop), options)
end
end
end
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