easy-going-rails/lib/formatters/ansi_common.rb

require_relative 'ansi_colors'

# gather common definitions and functions
class AnsiCommon
  ANSI_REGEX = /\e\[[0-9;]*m/ # TODO: support for \x1b and \033

  def self.ansi_trace(trace, symbol)
    match = trace.match(/(↳ )?(.*:\d+)(:in `)?(.*'?)/) # only m2(=file) and m4(=optional function) are useful
    return trace unless match

    _, m2, _, m4 = match.captures
    "#{symbol} #{m2} #{AnsiColors::BOLD}#{m4.chop}#{AnsiColors::CLEAR}"
  end
end