class RuboCop::Cop::Layout::MultilineMethodArgumentLineBreaks

This cop ensures that each argument in a multi-line method call starts on a separate line.

@example

# bad
foo(a, b,
  c
)

# good
foo(
  a,
  b,
  c
)

Constants

MSG

Public Instance Methods

autocorrect(node) click to toggle source
# File lib/rubocop/cop/layout/multiline_method_argument_line_breaks.rb, line 48
def autocorrect(node)
  EmptyLineCorrector.insert_before(node)
end
on_send(node) click to toggle source
# File lib/rubocop/cop/layout/multiline_method_argument_line_breaks.rb, line 28
def on_send(node)
  return if node.method_name == :[]=

  args = node.arguments

  # If there is a trailing hash arg without explicit braces, like this:
  #
  #    method(1, 'key1' => value1, 'key2' => value2)
  #
  # ...then each key/value pair is treated as a method 'argument'
  # when determining where line breaks should appear.
  if (last_arg = args.last)
    if last_arg.hash_type? && !last_arg.braces?
      args = args.concat(args.pop.children)
    end
  end

  check_line_breaks(node, args)
end