[ruby-next] ifn't

config.rb

# Inspired by the joke from the C# community:
# https://twitter.com/phantom_thegame/status/1745215916348952671
RubyNext.define_text_rewriter "ifn't" do
  def safe_rewrite(source)
    source.gsub(/(\b)ifnot(\b)/, '\1unless\2')
  end
end

example.rb

require "date"

using(Module.new do
  refine Date do
    def weekend? = saturday? or sunday?
  end
end)

ifnot Date.today.weekend?
  puts "Keep working ⚙️"
else
  puts "Relax ☺️"
end