Rails article helper – “a” or “an”

None that I know of but it seems simple enough to write a helper for this right?
Off the top of my head

def indefinite_articlerize(params_word)
    %w(a e i o u).include?(params_word[0].downcase) ? "an #{params_word}" : "a #{params_word}"
end

hope that helps

edit 1: Also found this thread with a patch that might help you bulletproof this more https://rails.lighthouseapp.com/projects/8994/tickets/2566-add-aan-inflector-indefinitize