Module: Bwrap::Output::Colors

Included in:
Levels
Defined in:
lib/bwrap/output/colors.rb

Overview

Methods to color CLI output.

Class Method Summary collapse

Class Method Details

.color(red, green, blue, bold: false) ⇒ Object

Outputs ANSI true color sequence.



6
7
8
9
10
11
12
13
14
15
16
 
# File 'lib/bwrap/output/colors.rb', line 6

def self.color red, green, blue, bold: false
  return unless $stdout.tty?
  return if ENV["COLORTERM"] != "truecolor" && ENV["COLORTERM"] != "24bit"

  out = ""
  out += "\x1b[38;1;1m" if bold
  # https://stackoverflow.com/questions/4842424/list-of-ansi-color-escape-sequences
  out += "\x1b[38;2;#{red};#{green};#{blue}m"

  out
end

.stopcolor ⇒ Object

Outputs ANSI command to stop color output.



19
20
21
22
23
24
 
# File 'lib/bwrap/output/colors.rb', line 19

def self.stopcolor
  return unless $stdout.tty?
  return if ENV["COLORTERM"] != "truecolor" && ENV["COLORTERM"] != "24bit"

  "\x1b[0m"
end