Class: BatchLoader::GraphQL

Inherits:
Object
  • Object
show all
Defined in:
lib/batch_loader/graphql.rb

Defined Under Namespace

Classes: Wrapper

Class Method Summary collapse

Class Method Details

.instrument(type, field) ⇒ Object 



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# File 'lib/batch_loader/graphql.rb', line 20

def self.instrument(type, field)
  old_resolve_proc = field.resolve_proc
  new_resolve_proc = ->(object, arguments, context) do
    result = old_resolve_proc.call(object, arguments, context)
    result.respond_to?(:__sync) ? BatchLoader::GraphQL::Wrapper.new(result) : result
  end

  field.redefine { resolve(new_resolve_proc) }
end

.use(schema_definition) ⇒ Object 



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# File 'lib/batch_loader/graphql.rb', line 15

def self.use(schema_definition)
  schema_definition.lazy_resolve(BatchLoader::GraphQL::Wrapper, :sync)
  schema_definition.instrument(:field, self)
end