Class: Trendhub::Utils::Color

Inherits:
Object
  • Object
show all
Defined in:
lib/trendhub/utils/color.rb

Constant Summary collapse

InvalidColorFormat = 
Class.new(StandardError)
ANSI = 
{
  reset: 0,
  bold: 1,
  dim: 2,
  italic: 3,
  underline: 4,
  black: 30,
  red: 31,
  green: 32,
  yellow: 33,
  blue: 34,
  magenta: 35,
  cyan: 36,
  light_gray: 37,
  dark_gray: 90,
  light_red: 91,
  light_green: 92,
  light_yellow: 93,
  light_blue: 94,
  light_magenta: 95,
  light_cyan: 96,
  white: 97,
}.freeze

Instance Method Summary collapse

Instance Method Details

#decorate(str, *formats) ⇒ Object

Raises:



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# File 'lib/trendhub/utils/color.rb', line 32

def decorate(str, *formats)
  return str if blank?(str) || formats.empty?
  raise InvalidColorFormat unless (formats - ANSI.keys).empty?
  format_codes = formats.map { |format| ANSI[format] }
  "\e[#{format_codes.join(';')}m#{str}\e[0m"
end