Sha256: 9b5e324f2016e92ec40ac3b9514268a12afb9d63c847b21bea354ad251f7ff1d
Contents?: true
Size: 921 Bytes
Versions: 8
Compression:
Stored size: 921 Bytes
Contents
module InlineSvg::TransformPipeline::Transformations
class AriaAttributes < Transformation
def transform(doc)
doc = Nokogiri::XML::Document.parse(doc.to_html)
svg = doc.at_css("svg")
# Add role
svg["role"] = "img"
# Build aria-labelledby string
aria_elements = []
doc.search("svg title").each do |element|
aria_elements << element['id'] = element_id_for("title", element)
end
doc.search("svg desc").each do |element|
aria_elements << element['id'] = element_id_for("desc", element)
end
if aria_elements.any?
svg["aria-labelledby"] = aria_elements.join(" ")
end
doc
end
def element_id_for(base, element)
if element['id'].nil?
InlineSvg::IdGenerator.generate(base, element.text)
else
InlineSvg::IdGenerator.generate(element['id'], element.text)
end
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems