Class: Sourcerer::MarkDownGrade::LiWithNestedLists

Inherits:

ReverseMarkdown::Converters::Base

• Object
• ReverseMarkdown::Converters::Base
• Sourcerer::MarkDownGrade::LiWithNestedLists

Defined in:

lib/sourcerer/mark_down_grade.rb

Overview

List item converter that handles nested lists and checklists.

Instance Method Summary

• #convert(node, state = {}) ⇒ Object

Instance Method Details

#convert(node, state = {}) ⇒ Object

# File 'lib/sourcerer/mark_down_grade.rb', line 583

def convert node, state={}
  indentation = indentation_from(state)

  content_parts = []
  nested_lists = []

  # Check for checkbox in this LI or its first paragraph
  # Asciidoctor often puts the checkbox inside a <p> tag
  checkbox = node.at_xpath('./input[@type="checkbox"] | ./p/input[@type="checkbox"][1]')

  prefix = if checkbox
             is_checked = checkbox['checked'] || checkbox['data-item-complete'] == '1'
             # Remove the checkbox from the DOM so it doesn't get rendered again
             checkbox.remove
             is_checked ? '- <!--CHECKBOX_CHECKED--> ' : '- <!--CHECKBOX_UNCHECKED--> '
           else
             prefix_for(node)
           end

  node.children.each do |child|
    if child.element? && %w[ol ul].include?(child.name)
      nested_lists << child
    else
      content_parts << treat(child, state)
    end
  end

  content = content_parts.join.strip
  result = "#{indentation}#{prefix}#{content}\n"

  nested_lists.each do |nested_list|
    # Pass the same state; the Ul/Ol converter will handle ol_count incrementing.
    # Use sub to strip only the leading newline emitted by the Ul/Ol converter,
    # preserving per-line indentation built by indentation_from.
    nested_md = treat(nested_list, state).sub(/\A\n+/, '').rstrip
    result << "#{nested_md}\n" unless nested_md.strip.empty?
  end

  result
end