I'm trying to get Syntax Highlighting with Redcarpet working
My appliaction_helper.rb
:
module ApplicationHelper
def markdown(text)
render_options = {
# will remove from the output HTML tags inputted by user
filter_html: true,
# will insert <br /> tags in paragraphs where are newlines
hard_wrap: true,
# hash for extra link options, for example 'nofollow'
link_attributes: { rel: 'nofollow' },
# Prettify
prettify: true
}
renderer = Redcarpet::Render::HTML.new(render_options)
extensions = {
#will parse links without need of enclosing them
autolink: true,
# blocks delimited with 3 ` or ~ will be considered as code block.
# No need to indent. You can provide language name too.
# ```ruby
# block of code
# ```
fenced_code_blocks: true,
# will ignore standard require for empty lines surrounding HTML blocks
lax_spacing: true,
# will not generate emphasis inside of words, for example no_emph_no
no_intra_emphasis: true,
# will parse strikethrough from ~~, for example: ~~bad~~
strikethrough: true,
# will parse superscript after ^, you can wrap superscript in ()
superscript: true
# will require a space after # in defining headers
# space_after_headers: true
}
Redcarpet::Markdown.new(renderer, extensions).render(text).html_safe
end
end
Although the output is displayed in a codeblock (redcarpet):
I can't find the Syntax Highlighting
.
I just got into Redcarpet, someone know a solution for this?
Ok i found -> Markdown and code syntax highlighting in Ruby on Rails (using RedCarpet and CodeRay) which pretty much worked (together with some custom css for Coderay).
Gemfile:
gem 'redcarpet', github: 'vmg/redcarpet'
gem 'coderay'
Application_helper.rb
class CodeRayify < Redcarpet::Render::HTML
def block_code(code, language)
CodeRay.scan(code, language).div
end
end
def markdown(text)
coderayified = CodeRayify.new(:filter_html => true,
:hard_wrap => true)
options = {
:fenced_code_blocks => true,
:no_intra_emphasis => true,
:autolink => true,
:strikethrough => true,
:lax_html_blocks => true,
:superscript => true
}
markdown_to_html = Redcarpet::Markdown.new(coderayified, options)
markdown_to_html.render(text).html_safe
end