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Contents
marked = require 'marked'
Tools = require '../_tools'
# It looks like all the markdown libraries for node doesn't get
# GitHub flavored markdown right. This helper class post-processes
# the best available output from the marked library to conform to
# GHM. In addition the allowed tags can be limited.
#
module.exports = class Tools.Markdown
# Tags to keep when parsing is limited
@limitedTags: 'a,abbr,acronym,b,big,cite,code,del,em,i,ins,sub,sup,span,small,strike,strong,q,tt,u'
# Convert markdown to Html. If the param `limit`
# is true, then all unwanted elements are stripped from the
# result and also all existing newlines.
#
# @param [String] markdown the markdown markup
# @param [Boolean] limit if elements should be limited
#
@convert: (markdown, limit = false, allowed = Markdown.limitedTags) ->
return if markdown is undefined
html = marked(markdown)
if limit
html = html.replace(/\n/, ' ')
html = Markdown.limit(html, allowed)
# Remove newlines around open and closing paragraph tags
html = html.replace /(?:\n+)?<(\/?p)>(?:\n+)?/mg, '<$1>'
# Add '.html' to relative markdown links
html = html.replace /href="(?!https?:\/\/)(.*\.md)"/mg, 'href="$1.html"'
html
# Strips all unwanted tag from the html
#
# @param [String] html the Html to clean
# @param [String] allowed the comma separated list of allowed tags
# @return [String] the cleaned Html
#
@limit: (html, allowed) ->
allowed = allowed.split ','
replace = (html) ->
result = html.replace /<([a-z0-9]+)\s*(?:\s[^>]+)?>([\s\S]+?)<\/\1>/g, (match, tag, text) ->
if allowed.indexOf(tag) is -1 then text else match
if result == html
result
else
replace(result)
replace(html)
Version data entries
19 entries across 19 versions & 1 rubygems