Class: RuboCop::Cop::Standard::RailsRenderObjectCollection

Inherits:
RuboCop::Cop
  • Object
show all
Defined in:
lib/rubocop/cop/standard/rails/rails_render_object_collection.rb

Constant Summary collapse

MSG = 
'Avoid `render object:`'

Instance Method Summary collapse

Instance Method Details

#on_send(node) ⇒ Object 



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# File 'lib/rubocop/cop/standard/rails/rails_render_object_collection.rb', line 23

def on_send(node)
  return unless (option_pairs = render_with_options?(node))

  partial_pair = option_pairs.detect { |pair| partial_key?(pair) }
  object_pair  = option_pairs.detect { |pair| object_key?(pair) }

  return unless partial_pair && object_pair

  partial_name = partial_key?(partial_pair)
  object_sym, object_node = object_key?(object_pair)

  case object_sym
  when :object
    suggestion = ", instead `render partial: #{partial_name.source}, locals: { #{File.basename(partial_name.children[0], '.html.erb')}: #{object_node.source} }`" if partial_name.children[0].is_a?(String)
    add_offense(node, location: :expression, message: "Avoid `render object:`#{suggestion}")
  when :collection, :spacer_template
    add_offense(node, location: :expression, message: 'Avoid `render collection:`')
  end
end