Class: Jekyll::MD_TOC::Generator

Inherits:
Generator
  • Object
show all
Defined in:
jekyll/_plugins/md-toc.rb

Instance Method Summary collapse

Instance Method Details

#generate(site) ⇒ Object 



55
56
57
58
59
60
 
# File 'jekyll/_plugins/md-toc.rb', line 55

def generate(site)
    code_pages = site.pages.select {|page| page.name.end_with? ".js.md" }
    code_pages.each do | page| 
        page.content = make_toc(page.content)
    end
end

#make_toc(text) ⇒ Object 



23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
 
# File 'jekyll/_plugins/md-toc.rb', line 23

def make_toc(text)

    new_text = text[/\#\s.+\n/]
    
    new_text.concat("\n\n## Table of Contents {#toc}\n")

    text_with_ids = text.gsub(/(?<hashes>\#{2,})\s(?<title>.+)\s*\n/) { |_|
        match = Regexp.last_match
        
        #slugify the subheading
        id_slug = match[2].downcase.strip.gsub(' ', '-').gsub(/[^\w-]/, '')
        
        # indent if more than 2 x #
        depth = match[1].length - 2;
        while depth > 0
             new_text.concat("    ")
             depth = depth - 1
        end
        # add the list item to table of contents
        new_text.concat("- [#{match[2]}](##{id_slug})\n" )
        
        # replace subheading with anchor
        # fat arrow &#8679;
        #(id:#{id_slug})
        "#{match[1]} <a id='#{id_slug}'>#{match[2]}</a> [&#x02191;](#toc)\n"
    }

    new_text.concat("\n\n---\n\n")
    new_text.concat(text_with_ids)

end