Retrospring/app/helpers/markdown_helper.rb

58 lines
1.9 KiB
Ruby

# frozen_string_literal: true
module MarkdownHelper
def markdown(content)
renderer = FlavoredMarkdown.new(**MARKDOWN_RENDERER_OPTS)
md = Redcarpet::Markdown.new(renderer, **MARKDOWN_OPTS)
# As the string has been sanitized we can mark it as HTML safe
Sanitize.fragment(md.render(content), EVIL_TAGS).strip.html_safe # rubocop:disable Rails/OutputSafety
end
def strip_markdown(content)
renderer = Redcarpet::Render::StripDown.new
md = Redcarpet::Markdown.new(renderer, **MARKDOWN_OPTS)
CGI.unescape_html(Sanitize.fragment(CGI.escape_html(md.render(content)), EVIL_TAGS)).strip
end
def twitter_markdown(content)
renderer = TwitteredMarkdown.new
md = Redcarpet::Markdown.new(renderer, **MARKDOWN_OPTS)
CGI.unescape_html(Sanitize.fragment(CGI.escape_html(md.render(content)), EVIL_TAGS)).strip
end
def question_markdown(content)
renderer = QuestionMarkdown.new
md = Redcarpet::Markdown.new(renderer, **MARKDOWN_OPTS)
# As the string has been sanitized we can mark it as HTML safe
Sanitize.fragment(md.render(content), EVIL_TAGS).strip.html_safe # rubocop:disable Rails/OutputSafety
end
def raw_markdown(content)
renderer = Redcarpet::Render::HTML.new(**MARKDOWN_RENDERER_OPTS)
md = Redcarpet::Markdown.new(renderer, **MARKDOWN_OPTS)
raw md.render content
end
def get_markdown(path, relative_to = Rails.root)
File.read relative_to.join(path)
rescue Errno::ENOENT
"# Error reading #{relative_to.join(path)}"
end
def markdown_io(path, relative_to = Rails.root)
markdown get_markdown path, relative_to
end
def strip_markdown_io(path, relative_to = Rails.root)
strip_markdown get_markdown path, relative_to
end
def twitter_markdown_io(path, relative_to = Rails.root)
twitter_markdown get_markdown path, relative_to
end
def raw_markdown_io(path, relative_to = Rails.root)
raw_markdown get_markdown path, relative_to
end
end