Automating the team's code style guides with RuboCop - ColonMethodDefinition

rubocop|lib|rubocop|cop|style|colon_method_definition.rb

class ColonMethodDefinition < Cop
  MSG = 'Do not use `::` for defining class methods.'

  def on_defs(node)
    return unless node.loc.operator.source == '::'

    add_offense(node, location: :operator)
  end

  def autocorrect(node)
    ->(corrector) { corrector.replace(node.loc.operator, '.') }
  end
end