Method: RuboCop::Cop::Util.on_node

Defined in:
lib/rubocop/cop/util.rb

.on_node(syms, sexp, excludes = []) {|sexp| ... } ⇒ Object

Yields:

  • (sexp)
[View source]

78
79
80
81
82
83
84
85
86
87
88
 
# File 'lib/rubocop/cop/util.rb', line 78

def on_node(syms, sexp, excludes = [], &block)
  return to_enum(:on_node, syms, sexp, excludes) unless block_given?

  yield sexp if Array(syms).include?(sexp.type)
  return if Array(excludes).include?(sexp.type)

  sexp.children.each do |elem|
    next unless elem.is_a?(Parser::AST::Node)
    on_node(syms, elem, excludes, &block)
  end
end