Class: GraphQL::Modernize::Rules::ResolveFieldOption

Inherits:
Base
  • Object
show all
Defined in:
lib/graphql/modernize/rules/legacy.rb

Constant Summary collapse

RESERVED_METHOD_NAMES = 
%i[context initialize object].freeze
UNSUPPORTED_NODES = 
[
  Prism::BlockNode, Prism::LambdaNode, Prism::DefNode, Prism::ClassNode, Prism::ModuleNode,
  Prism::SelfNode, Prism::InstanceVariableReadNode, Prism::InstanceVariableWriteNode,
  Prism::ClassVariableReadNode, Prism::ClassVariableWriteNode,
  Prism::GlobalVariableReadNode, Prism::GlobalVariableWriteNode,
  Prism::SuperNode, Prism::ForwardingSuperNode, Prism::YieldNode,
  Prism::NextNode, Prism::BreakNode, Prism::RedoNode, Prism::RetryNode
].freeze

Instance Attribute Summary

Attributes inherited from Base

#offenses

Instance Method Summary collapse

Methods inherited from Base

#initialize, node_pattern, node_types, rule, #visit

Constructor Details

This class inherits a constructor from GraphQL::Modernize::Rules::Base

Instance Method Details

#on_match(node, _captures) ⇒ Object 



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# File 'lib/graphql/modernize/rules/legacy.rb', line 35

def on_match(node, _captures)
  return unless inside?(node, :object, :interface)

  arguments = keyword_arguments(node, :resolve)
  return if arguments.empty?

  argument = arguments.first
  if arguments.length > 1
    return add_offense(argument.location, safety: :manual,
                                          message: "Resolve duplicate `resolve:` options manually")
  end

  method_name = field_method_name(node)
  lambda_node = argument.value
  unless convertible?(node, lambda_node, method_name)
    return add_offense(argument.location, safety: :manual,
                                          message: "Move `resolve:` logic to a resolver method manually")
  end

  @generated_method_names ||= {}
  if @generated_method_names[method_name] || hierarchy.method_defined?(context_for(node).class_name,
                                                                       method_name)
    return add_offense(argument.location, safety: :manual,
                                          message: "`#{method_name}` already exists; migrate manually")
  end
  @generated_method_names[method_name] = true

  body = resolver_body(lambda_node)
  method_source = "def #{method_name}(**)\n#{indent_body(body)}\nend"
  add_offense(argument.location, message: "Move `resolve:` to the `#{method_name}` method") do |rw|
    rw.remove_keyword_argument(node, :resolve)
    rw.insert_into_body(context_for(node).class_node, method_source, position: :before_private)
  end
end