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|
defmodule Support.FootnoteHelpers do
import EarmarkAstDsl
@moduledoc false
def fn_ast(markdown) do
{:ok, ast, []} = EarmarkParser.as_ast(markdown, footnotes: true)
ast
end
def footnote_def(number, content)
def footnote_def(number, content) when is_tuple(content) do
footnote_def(number, [content])
end
def footnote_def(number, content) do
tag("li", [reverse_footnote(number) | content], id: "fn:#{number}")
end
def footnote(number) do
a("#{number}",
title: "see footnote",
href: "#fn:#{number}",
class: "footnote",
id: "fnref:#{number}"
)
end
def footnotes(content) do
tag("div", [tag("hr"), tag("ol", content)], class: "footnotes")
end
defp reverse_footnote(number) do
a("↩",
class: "reversefootnote",
href: "#fnref:#{number}",
title: "return to article"
)
end
def has_verbatim?(ast) do
case ast do
[
_,
{"div", [{"class", "footnotes"}],
[
_,
{"ol", [],
[
{"li", [_],
[
{"a", [_, _, {"href", _}], ["↩"], %{verbatim: true}},
_
], %{}}
], %{}}
], %{}}
] ->
true
_ ->
false
end
end
end
# SPDX-License-Identifier: Apache-2.0
|
