class RuboCop::Cop::RSpec::LetBeforeExamples

end
expect(some).to be
it ‘checks what some does’ do
end
expect(foo).to be
it ‘checks what foo does’ do
let(:some) { other }
let(:foo) { bar }
# good
end
expect(some).to be
it ‘checks what some does’ do
let(:some) { other }
end
expect(foo).to be
it ‘checks what foo does’ do
let(:foo) { bar }
# bad
@example
Checks for ‘let` definitions that come after an example.

def self.autocorrect_incompatible_with 

def self.autocorrect_incompatible_with
  [RSpec::ScatteredLet]
end

def autocorrect(corrector, node, first_example) 

def autocorrect(corrector, node, first_example)
  RuboCop::RSpec::Corrector::MoveNode.new(
    node, corrector, processed_source
  ).move_before(first_example)
end

def check_let_declarations(node) 

def check_let_declarations(node)
  first_example = find_first_example(node)
  return unless first_example
  correct = !example_group_with_include_examples?(node)
  first_example.right_siblings.each do |sibling|
    next unless let?(sibling)
    add_offense(sibling) do |corrector|
      autocorrect(corrector, sibling, first_example) if correct
    end
  end
end

def example_group_with_include_examples?(body) 

def example_group_with_include_examples?(body)
  body.children.any? { |sibling| include_examples?(sibling) }
end

def find_first_example(node) 

def find_first_example(node)
  node.children.find { |sibling| example_or_group?(sibling) }
end

def multiline_block?(block) 

def multiline_block?(block)
  block.begin_type?
end

def on_block(node) # rubocop:disable InternalAffairs/NumblockHandler

rubocop:disable InternalAffairs/NumblockHandler 
def on_block(node) # rubocop:disable InternalAffairs/NumblockHandler
  return unless example_group_with_body?(node)
  check_let_declarations(node.body) if multiline_block?(node.body)
end