module Cucumber::JsSupport::JsSnippets

def snippet_text(code_keyword, step_name, multiline_arg_class)
  escaped = Regexp.escape(step_name).gsub('\ ', ' ').gsub('/', '\/')
  escaped = escaped.gsub(PARAM_PATTERN, ESCAPED_PARAM_PATTERN)
  n = 0
  block_args = escaped.scan(ESCAPED_PARAM_PATTERN).map do |a|
    n += 1
    "arg#{n}"
  end
  block_args << multiline_arg_class.default_arg_name unless multiline_arg_class.nil?
  block_arg_string = block_args.empty? ? "" : "#{block_args.join(", ")}"
  multiline_class_comment = ""
  if(multiline_arg_class == Ast::Table)
    multiline_class_comment = "//#{multiline_arg_class.default_arg_name} is a #{multiline_arg_class.to_s}\n"
  end
  "#{code_keyword}(/^#{escaped}$/, function(#{block_arg_string}){\n  #{multiline_class_comment}  //express the regexp above with the code you wish you had\n});"
end