diff options
Diffstat (limited to 'lib/banzai/filter/image_link_filter.rb')
-rw-r--r-- | lib/banzai/filter/image_link_filter.rb | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/lib/banzai/filter/image_link_filter.rb b/lib/banzai/filter/image_link_filter.rb new file mode 100644 index 00000000000..ccd106860bd --- /dev/null +++ b/lib/banzai/filter/image_link_filter.rb @@ -0,0 +1,27 @@ +module Banzai + module Filter + # HTML filter that wraps links around inline images. + class ImageLinkFilter < HTML::Pipeline::Filter + + # Find every image that isn't already wrapped in an `a` tag, create + # a new node (a link to the image source), copy the image as a child + # of the anchor, and then replace the img with the link-wrapped version. + def call + doc.xpath('descendant-or-self::img[not(ancestor::a)]').each do |img| + + link = doc.document.create_element( + 'a', + class: 'no-attachment-icon', + href: img['src'], + target: '_blank' + ) + + link.children = img.clone + img.replace(link) + end + + doc + end + end + end +end |