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Image lazy loading

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Fixes #5601
This commit is contained in:
mmd-osm 2025-02-05 18:15:25 +01:00
parent 7cf9bf0e55
commit 3dda236509
1 changed files with 6 additions and 0 deletions
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6
config/initializers/sanitize.rb
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@ -2,6 +2,10 @@ Sanitize::Config::OSM = Sanitize::Config.merge(
Sanitize::Config::RELAXED,
:elements => Sanitize::Config::RELAXED[:elements] - %w[div style],
:remove_contents => %w[script style],
:attributes => Sanitize::Config.merge(
Sanitize::Config::RELAXED[:attributes],
"img" => Sanitize::Config::RELAXED[:attributes]["img"] + ["loading"]
),
:transformers => lambda do |env|
style = env[:node]["style"] || ""
@ -24,5 +28,7 @@ Sanitize::Config::OSM = Sanitize::Config.merge(
env[:node]["rel"] = rel.split.select { |r| r == "me" }.append("nofollow", "noopener", "noreferrer").sort.join(" ")
end
env[:node]["loading"] = "lazy" if env[:node_name] == "img"
end
)