class Bashly::IndentationHelper

unless the line is within a heredoc block.
It will return the array of strings with all strings prefixed by ‘indentation`
A helper class, used by the `Array#indent` extension.

def extract_heredoc_marker(line) 

def extract_heredoc_marker(line)
  line =~ /<<-?\s*['"]?(\w+)['"]?/ ? $1 : nil
end

def heredoc_closed?(line) 

def heredoc_closed?(line)
  inside_heredoc? && /^#{marker}\n?$/.match?(line)
end

def indent(line) 

def indent(line)
  if inside_heredoc?
    reset_marker if heredoc_closed?(line)
    line
  else
    set_heredoc_state(line)
    "#{indentation}#{line}"
  end
end

def initialize(indentation) 

def initialize(indentation)
  @indentation = indentation
  @marker = nil
end

def inside_heredoc? 

def inside_heredoc?
  !!marker
end

def reset_marker 

def reset_marker
  @marker = nil
end

def set_heredoc_state(line) 

def set_heredoc_state(line)
  @marker = extract_heredoc_marker(line)
end