class GraphQL::Upgrader::UnderscorizeMutationHashTransform

Find hash literals which are returned from mutation resolves, and convert their keys to underscores. This catches a lot of cases but misses hashes which are initialized anywhere except in the return expression.

Public Instance Methods

apply(input_text) click to toggle source
# File lib/graphql/upgrader/member.rb, line 410
def apply(input_text)
  if input_text =~ /def resolve\(\*\*/
    processor = apply_processor(input_text, ReturnedHashLiteralProcessor.new)
    # Use reverse_each to avoid messing up positions
    processor.keys_to_upgrade.reverse_each do |key_data|
      underscored_key = underscorize(key_data[:key].to_s)
      if key_data[:operator] == ":"
        input_text[key_data[:start]...key_data[:end]] = underscored_key
      else
        input_text[key_data[:start]...key_data[:end]] = ":#{underscored_key}"
      end
    end
  end
  input_text
end