Module: Color

Defined in:
lib/color.rb

Constant Summary collapse

SGR_CODES = 
{
  "normal"  =>  0,
  "bold"    =>  1,
  "dim"     =>  2,
  "italic"  =>  3,
  "ul"      =>  4,
  "reverse" =>  7,
  "strike"  =>  9,
  "black"   => 30,
  "red"     => 31,
  "green"   => 32,
  "yellow"  => 33,
  "blue"    => 34,
  "magenta" => 35,
  "cyan"    => 36,
  "white"   => 37
}

Class Method Summary collapse

Class Method Details

.format(style, string) ⇒ Object 



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# File 'lib/color.rb', line 20

def self.format(style, string)
  codes = [*style].map { |name| SGR_CODES.fetch(name.to_s) }
  color = false

  codes.each_with_index do |code, i|
    next unless code >= 30
    codes[i] += 10 if color
    color = true
  end

  "\e[#{ codes.join(";") }m#{ string }\e[m"
end