Class: RuboCop::Cop::Rails::DefaultScope

Inherits:

Cop

• Object
• Cop
• RuboCop::Cop::Rails::DefaultScope

Defined in:

lib/rubocop/cop/rails/default_scope.rb

Overview

This cop checks for default_scope calls when it was passed a lambda or a proc instead of a block.

Examples:

# incorrect
default_scope -> { something }

# correct
default_scope { something }

Constant Summary

MSG =

'`default_scope` expects a block as its sole argument.'

Constants included from Util

Util::ASGN_NODES, Util::BASIC_LITERALS, Util::EQUALS_ASGN_NODES, Util::LITERALS, Util::OPERATOR_METHODS, Util::PROC_NEW_NODE, Util::SHORTHAND_ASGN_NODES

Instance Attribute Summary

Attributes inherited from Cop

#config, #corrections, #offenses, #processed_source

Instance Method Summary

• #on_send(node) ⇒ Object

Methods inherited from Cop

#add_offense, all, #config_to_allow_offenses, #config_to_allow_offenses=, #cop_config, cop_name, #cop_name, cop_type, #correct, #debug?, #details, #display_cop_names?, #display_style_guide?, #excluded_file?, #extra_details?, inherited, #initialize, #join_force?, lint?, match?, #message, non_rails, qualified_cop_name, rails?, #reference_url, #relevant_file?, #style_guide_url

Methods included from NodePattern::Macros

#def_node_matcher, #def_node_search

Methods included from AutocorrectLogic

#autocorrect?, #autocorrect_enabled?, #autocorrect_requested?, #support_autocorrect?

Methods included from IgnoredNode

#ignore_node, #ignored_node?, #part_of_ignored_node?

Methods included from Util

begins_its_line?, block_length, command?, comment_line?, const_name, directions, first_part_of_call_chain, lambda?, lambda_or_proc?, line_range, move_pos, numeric_range_size, on_node, operator?, parentheses?, proc?, range_with_surrounding_comma, range_with_surrounding_space, source_range, strip_quotes, within_node?

Methods included from PathUtil

hidden?, issue_deprecation_warning, match_path?, relative_path

Constructor Details

This class inherits a constructor from RuboCop::Cop::Cop

Instance Method Details

#on_send(node) ⇒ Object

# File 'lib/rubocop/cop/rails/default_scope.rb', line 19

def on_send(node)
  return unless command?(:default_scope, node)

  _receiver, _method_name, *args = *node
  return unless args.size == 1

  first_arg = args[0]
  return unless first_arg.type != :block || lambda_or_proc?(first_arg)

  add_offense(first_arg, :expression)
end