Class: RuboCop::Cop::Ipepe::AlphabeticalHashKeys

Inherits:
Base
  • Object
show all
Extended by:
AutoCorrector
Defined in:
lib/rubocop/cop/ipepe/alphabetical_hash_keys.rb

Constant Summary collapse

MSG = 
"Ensure that keys in hash are in alphabetical order".freeze

Instance Method Summary collapse

Instance Method Details

#on_hash(node) ⇒ Object

rubocop:disable Metrics/MethodLength, Metrics/PerceivedComplexity



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# File 'lib/rubocop/cop/ipepe/alphabetical_hash_keys.rb', line 8

def on_hash(node) # rubocop:disable Metrics/MethodLength, Metrics/PerceivedComplexity
  keys = node.children.select(&:pair_type?).map(&:key)
  sorted_keys = keys.sort_by do |k|
    if k.respond_to?(:value)
      k.value.to_s
    elsif k.respond_to?(:const_name)
      k.const_name.to_s
    end
  end
  return if cop_not_applicable?(keys, sorted_keys)

  add_offense(node) do |corrector|
    join_keys_with = " "
    join_keys_with = "\n " if node.source.include?("\n")

    corrector.replace(
      node,
      [
        ("{" if node.source.start_with?("{")),
        sorted_keypairs(node, sorted_keys).join(",#{join_keys_with}"),
        ("}" if node.source.end_with?("}"))
      ].compact.join(join_keys_with)
    )
  end
end