class RuboCop::Cop::RSpec::EmptyLineAfterFinalLet

Checks if there is an empty line after the last let block.

@example

# bad
  let(:foo) { bar }
  let(:something) { other }
  it do
    ...
  end

# good
  let(:foo) { bar }
  let(:something) { other }

  it do
    ...
  end

Constants

MSG

Public Instance Methods

autocorrect(node) click to toggle source
# File lib/rubocop/cop/rspec/empty_line_after_final_let.rb, line 40
def autocorrect(node)
  loc = last_node_loc(node)
  ->(corrector) { corrector.insert_after(loc.end, "\n") }
end
on_block(node) click to toggle source
# File lib/rubocop/cop/rspec/empty_line_after_final_let.rb, line 27
def on_block(node)
  return unless example_group_with_body?(node)

  latest_let = node.body.child_nodes.select { |child| let?(child) }.last

  return if latest_let.nil?
  return if latest_let.equal?(node.body.children.last)

  no_new_line_after(latest_let) do
    add_offense(latest_let, location: :expression)
  end
end

Private Instance Methods

heredoc_line(node) { |loc.heredoc_end| ... } click to toggle source
# File lib/rubocop/cop/rspec/empty_line_after_final_let.rb, line 63
def heredoc_line(node, &block)
  yield node.loc.heredoc_end if node.loc.respond_to?(:heredoc_end)

  node.each_child_node { |child| heredoc_line(child, &block) }
end
last_node_loc(node) click to toggle source
# File lib/rubocop/cop/rspec/empty_line_after_final_let.rb, line 55
def last_node_loc(node)
  last_line = node.loc.end.line
  heredoc_line(node) do |loc|
    return loc if loc.line > last_line
  end
  node.loc.end
end
no_new_line_after(node) { || ... } click to toggle source
# File lib/rubocop/cop/rspec/empty_line_after_final_let.rb, line 47
def no_new_line_after(node)
  loc = last_node_loc(node)

  next_line = processed_source[loc.line]

  yield unless next_line.blank?
end