Class: GraphQL::Stitching::Composer::ValidateTypeResolvers

Inherits:
BaseValidator
  • Object
show all
Defined in:
lib/graphql/stitching/composer/validate_type_resolvers.rb

Instance Method Summary collapse

Instance Method Details

#perform(supergraph, composer) ⇒ Object 



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# File 'lib/graphql/stitching/composer/validate_type_resolvers.rb', line 7

def perform(supergraph, composer)
  root_types = [
    supergraph.schema.query,
    supergraph.schema.mutation,
    supergraph.schema.subscription,
  ].tap(&:compact!)
  
  supergraph.schema.types.each do |type_name, type|
    # objects and interfaces that are not the root operation types
    next unless type.kind.object? || type.kind.interface?
    next if root_types.include?(type)
    next if type.graphql_name.start_with?("__")

    # multiple subschemas implement the type
    subgraph_types_by_location = composer.subgraph_types_by_name_and_location[type_name]
    next unless subgraph_types_by_location.length > 1

    resolvers = supergraph.resolvers[type_name]
    if resolvers&.any?
      validate_as_resolver(supergraph, type, subgraph_types_by_location, resolvers)
    elsif type.kind.object?
      validate_as_shared(supergraph, type, subgraph_types_by_location)
    end
  end
end