Module: Hashira::Smells::Parameters

Defined in:
lib/hashira/smells/contexts.rb

Constant Summary collapse

NAMELESS = 
[Prism::ForwardingParameterNode, Prism::ImplicitRestNode, Prism::NoKeywordsParameterNode].freeze

Class Method Summary collapse

Class Method Details

.arguments(def_node) ⇒ Object 



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# File 'lib/hashira/smells/contexts.rb', line 14

def arguments(def_node) = parts(def_node).grep_v(Prism::BlockParameterNode).flat_map { expand(it) }

.expand(part) ⇒ Object 



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# File 'lib/hashira/smells/contexts.rb', line 23

def expand(part)
  case part
  when Prism::MultiTargetNode then pieces(part).flat_map { expand(it) }
  when *NAMELESS then []
  else [part.name].compact
  end
end

.names(def_node) ⇒ Object 



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# File 'lib/hashira/smells/contexts.rb', line 12

def names(def_node) = parts(def_node).flat_map { expand(it) }

.parts(def_node) ⇒ Object 



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# File 'lib/hashira/smells/contexts.rb', line 16

def parts(def_node)
  node = def_node.parameters
  return [] unless node
  node.requireds + node.optionals + node.posts + node.keywords +
    [node.rest, node.keyword_rest, node.block].compact
end

.pieces(part) ⇒ Object 



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# File 'lib/hashira/smells/contexts.rb', line 31

def pieces(part) = part.lefts + Array(part.rest&.expression) + part.rights