Class: Marvi::ASTWalker

Inherits:
Object
  • Object
show all
Defined in:
lib/marvi/ast_walker.rb

Constant Summary collapse

HEADER_COLORS = 
%i[cyan green yellow magenta white white].freeze
DEFAULT_MAX_WIDTH = 
80
MIN_COL_WIDTH = 
4

Instance Method Summary collapse

Instance Method Details

#walk(markdown, max_width: nil) ⇒ Object 



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# File 'lib/marvi/ast_walker.rb', line 14

def walk(markdown, max_width: nil)
  @max_width = max_width || Integer(ENV["COLUMNS"] || DEFAULT_MAX_WIDTH)
  doc = Kramdown::Document.new(markdown, input: "GFM")
  lines = render_block(doc.root)
  lines.pop while lines.last&.plain_text&.empty?
  lines
end