Module: Plywood::Color

Defined in:
lib/plywood/color.rb

Constant Summary collapse

ANSI = 
{
reset: 0,
black: 30,
red: 31,
green: 32,
yellow: 33,
blue: 34,
magenta: 35,
cyan: 36,
white: 37,
bright_black: 30,
bright_red: 31,
bright_green: 32,
bright_yellow: 33,
bright_blue: 34,
bright_magenta: 35,
bright_cyan: 36,
bright_white: 37 }.freeze

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.enable(io) ⇒ Object 



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# File 'lib/plywood/color.rb', line 22

def self.enable(io)
  io.extend(self)
end

Instance Method Details

#color(name) ⇒ Object 



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# File 'lib/plywood/color.rb', line 31

def color(name)
  return "" unless color?
  ansi = ANSI[name.to_sym]
  return "" if ansi.nil?
  "\e[#{ansi}m"
end

#color? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/plywood/color.rb', line 26

def color?
  return false unless respond_to?(:isatty)
  isatty && ENV["TERM"]
end