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# SPDX-FileCopyrightText: 2020 IN COMMON Collective <collective@incommon.cc>
#
# SPDX-License-Identifier: AGPL-3.0-or-later
module ApplicationHelper
# Set CSS classes on body tag
def body_classes(*args)
classes = args || []
classes << controller_name
classes << action_name
' class="'.html_safe << classes.join(' ') << '"'.html_safe
end
# Markdown helper
# Always use all extensions. Additional parser and render options may be
# passed as a second argument.
#
# @param markdown (String) a string to parse as Markdown source
# @param options (String or Array) an optional parser/renderer option
# @return String HTML-formatted from Mardkown source
def m(markdown, options = nil)
tag.div(
CommonMarker.render_doc(
markdown.to_s,
options.to_a + default_commonmarker_options,
default_commonmarker_extensions
).to_html.html_safe, class: 'markdown')
end
# Link to current application version
def version_link
version = begin
IO.read('.app-version')&.strip
rescue
'HEAD'
end
link_to(version, INCOMMON.repo_url(version), title: 'Read source code')
end
private
# CommonMarker extensions
# See https://github.com/gjtorikian/commonmarker#extensions
def default_commonmarker_extensions
[
:table,
:tasklist,
:strikethrough,
:autolink,
:tagfilter
]
end
# CommonMarker options
# See https://github.com/gjtorikian/commonmarker#options
def default_commonmarker_options
[
#:HARDBREAKS, # only seems to work with render_html, but then all others
# only work with render_doc
:FOOTNOTES,
:SMART,
:STRIKETHROUGH_DOUBLE_TILDE,
:VALIDATE_UTF8
]
end
end
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