MRuby::Build.new do |conf|
-- snip --
  conf.gem github: 'buty4649/mruby-terminal-color'
end

puts "This is a red text.".red
puts "This is a yellow text.".color("yellow")
puts "This is a text with a blue background.".bg_blue
puts "This is a text with a green background.".color(nil, :green)
puts "This is a bold text.".bold
puts "This is an underlined text.".underline

puts "This is a text with 8-bit color.".color(42)

puts "This is a text with 24-bit color.".color('#FF5733')

puts "This is a bold and red text.".red.bold
puts "This is a text with bold and 8-bit color.".color(42).bold
puts "This is a text with underline and 24-bit color.".color('#FF5733').underline

# Validate if a color code is correct (supports 4-bit, 8-bit, and 24-bit color codes)
puts TerminalColor.valid?(:red)         # => true for 4-bit
puts TerminalColor.valid?(42)           # => true for 8-bit
puts TerminalColor.valid?('#FF5733')    # => true for 24-bit
puts TerminalColor.valid?('invalid')    # => false
# Validate if a mode is correct
puts TerminalColor.valid_mode?(:bold)     # => true
puts TerminalColor.valid_mode?(:invalid)  # => false