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@manfe
Last active January 14, 2020 10:15
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Rails Helper to build Hierachical HTML List
module TreeListHelper
# the collection need to be the root parents
def tree_list(collection)
content_tag(:ul) do
collection.each do |item|
if item.children.any?
concat(
content_tag(:li, id: item.id) do
concat(item.name)
concat(tree_list(item.children))
end
)
else
concat(content_tag(:li, item.name, id: item.id))
end
end
end
end
end
@victorhazbun
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what if the collection is not the root parent?

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