Module: RuboCop::Cop::IfNode

Extended by:
NodePattern::Macros
Included in:
Lint::ConditionPosition, Lint::ElseLayout, Lint::EndAlignment, Lint::RequireParentheses, Metrics::BlockNesting, Metrics::PerceivedComplexity, NegativeConditional, OnNormalIfUnless, StatementModifier, Style::ConditionalAssignment, Style::ElseAlignment, Style::GuardClause, Style::IdenticalConditionalBranches, Style::IfInsideElse, Style::IfUnlessModifier, Style::IndentationWidth, Style::MultilineIfModifier, Style::MultilineIfThen, Style::MultilineTernaryOperator, Style::NestedModifier, Style::NestedTernaryOperator, Style::Next, Style::NonNilCheck, Style::Not, Style::ParallelAssignment, Style::ParenthesesAroundCondition, Style::RedundantReturn, Style::SafeNavigation, Style::SpaceAfterColon, Style::SpaceAroundOperators, Style::TernaryParentheses
Defined in:
lib/rubocop/cop/mixin/if_node.rb

Overview

Common functionality for checking if nodes.

Instance Method Summary collapse

Methods included from NodePattern::Macros

def_node_matcher, def_node_search, node_search, node_search_all, node_search_body, node_search_first

Instance Method Details

#elsif?(node) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rubocop/cop/mixin/if_node.rb', line 18

def elsif?(node)
  node.loc.respond_to?(:keyword) && node.loc.keyword &&
    node.loc.keyword.is?('elsif')
end

#if_else?(node) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rubocop/cop/mixin/if_node.rb', line 23

def if_else?(node)
  node.loc.respond_to?(:else) && node.loc.else
end

#if_node_parts(node) ⇒ Object 



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# File 'lib/rubocop/cop/mixin/if_node.rb', line 27

def if_node_parts(node)
  case node.loc.keyword.source
  when 'if', 'elsif' then condition, body, else_clause = *node
  when 'unless'      then condition, else_clause, body = *node
  else                    condition, body = *node
  end

  [condition, body, else_clause]
end

#modifier_if?(node) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rubocop/cop/mixin/if_node.rb', line 13

def modifier_if?(node)
  node.loc.respond_to?(:keyword) &&
    %w(if unless).include?(node.loc.keyword.source) && node.modifier_form?
end

#ternary?(node) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rubocop/cop/mixin/if_node.rb', line 9

def ternary?(node)
  node.loc.respond_to?(:question)
end