Module: Unicode::DisplayWidth::EmojiSupport

Defined in:
lib/unicode/display_width/emoji_support.rb

Class Method Summary collapse

Class Method Details

Tries to find out which terminal emulator is used to set emoji: config to best suiting value

Please also see section in README.md and misc/terminal-emoji-width.rb

Please note: Many terminals do not set any ENV vars, maybe CSI queries can help?



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# File 'lib/unicode/display_width/emoji_support.rb', line 15

def self.recommended
  if ENV["CI"]
    return :rqi
  end

  case ENV["TERM_PROGRAM"]
  when "iTerm.app"
    return :all
  when "Apple_Terminal"
    return :rgi_at
  when "WezTerm"
    return :all_no_vs16
  end

  case ENV["TERM"]
  when "contour","foot"
    # konsole: all, how to detect?
    return :all
  when /kitty/
    return :vs16
  end

  if ENV["WT_SESSION"] # Windows Terminal
    return :vs16
  end

  # As of last time checked: gnome-terminal, vscode, alacritty
  :none
end