class RuboCop::AST::WhenNode

to all ‘when` nodes within RuboCop.
node when the builder constructs the AST, making its methods available
A node extension for `when` nodes. This will be used in place of a plain

def body

Returns:
  • (Node, nil) - the body of the `when` node 
def body
  node_parts[-1]
end

def branch_index

Returns:
  • (Integer) - the index of the `when` branch 
def branch_index
  parent.when_branches.index(self)
end

def conditions

Returns:
  • (Array) - an array of condition nodes 
def conditions
  node_parts[0...-1]
end

def each_condition

Returns:
  • (Enumerator) - if no block is given
  • (self) - if a block is given 
def each_condition
  return conditions.to_enum(__method__) unless block_given?
  conditions.each do |condition|
    yield condition
  end
  self
end

def then?

Returns:
  • (Boolean) - whether the `when` node has a `then` keyword 
def then?
  loc.begin&.is?('then')
end