Class: Rubocop::Cop::Rails::ReadAttribute

Inherits:

Cop

• Object
• Cop
• Rubocop::Cop::Rails::ReadAttribute

Defined in:

lib/rubocop/cop/rails/read_attribute.rb

Overview

This cop checks for the use of the read_attribute method.

Examples:

# bad
read_attributed(:attr)

# good
self[:attr]

Constant Summary

MSG =

'Prefer self[:attribute] over read_attribute(:attribute).'

Constants included from Util

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

Instance Attribute Summary

Attributes inherited from Cop

#config, #corrections, #offences, #processed_source

Instance Method Summary

• #on_send(node) ⇒ Object

Methods inherited from Cop

#add_offence, all, #autocorrect?, #config_to_allow_offences, #config_to_allow_offences=, #cop_config, cop_name, #cop_name, cop_type, #debug?, #display_cop_names?, #exclude_file?, #include_file?, inherited, #initialize, lint?, #message, non_rails, rails?, #relevant_file?, #support_autocorrect?

Methods included from IgnoredNode

#ignore_node, #ignored_node?, #part_of_ignored_node?

Methods included from Util

block_length, command?, comment_line?, const_name, first_part_of_call_chain, lambda?, lambda_or_proc?, line_range, on_node, operator?, proc?, range_with_surrounding_space, source_range, strip_quotes

Constructor Details

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

Instance Method Details

#on_send(node) ⇒ Object

# File 'lib/rubocop/cop/rails/read_attribute.rb', line 18

def on_send(node)
  receiver, method_name, *_args = *node

  if receiver.nil? && method_name == :read_attribute
    add_offence(node, :selector)
  end
end