Class: Rubocop::Cop::Style::NestedTernaryOperator

Inherits:
Cop
  • Object
show all
Defined in:
lib/rubocop/cop/style/ternary_operator.rb

Overview

This cop checks for nested ternary op expressions.

Constant Summary collapse

MSG = 
'Ternary operators must not be nested. Prefer if/else ' +
'constructs instead.'

Constants inherited from Cop

Cop::OPERATOR_METHODS

Constants included from Util

Util::PROC_NEW_NODE

Instance Attribute Summary

Attributes inherited from Cop

#config, #corrections, #offences, #processed_source

Instance Method Summary collapse

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?, #exclude_file?, #exclude_paths, #ignore_node, #include_file?, #include_paths, inherited, #initialize, lint?, #message, non_rails, rails?, #relevant_file?, style?, #support_autocorrect?

Methods included from Util

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

Constructor Details

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

Instance Method Details

#on_if(node) ⇒ Object 



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# File 'lib/rubocop/cop/style/ternary_operator.rb', line 26

def on_if(node)
  loc = node.loc

  # discard non-ternary ops
  return unless loc.respond_to?(:question)

  node.children.each do |child|
    on_node(:if, child) do |c|
      add_offence(c, :expression) if c.loc.respond_to?(:question)
    end
  end
end