Module: GraphQL::FragmentCache::ObjectHelpers

Extended by:
Forwardable
Defined in:
lib/graphql/fragment_cache/object_helpers.rb

Overview

Adds #cache_fragment method

Constant Summary collapse

NO_OBJECT = 
Object.new

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/graphql/fragment_cache/object_helpers.rb', line 14

def self.included(base)
  return if base.method_defined?(:raw_value)

  base.include(Module.new {
    def raw_value(obj)
      GraphQL::Execution::Interpreter::RawValue.new(obj)
    end
  })
end

Instance Method Details

#cache_fragment(object_to_cache = NO_OBJECT, **options, &block) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/graphql/fragment_cache/object_helpers.rb', line 26

def cache_fragment(object_to_cache = NO_OBJECT, **options, &block)
  raise ArgumentError, "Block or argument must be provided" unless block || object_to_cache != NO_OBJECT
  unless GraphQL::FragmentCache.enabled
    return block ? block.call : object_to_cache
  end

  unless options.delete(:default_options_merged)
    options = GraphQL::FragmentCache.default_options.merge(options)
  end

  if options.key?(:if) || options.key?(:unless)
    disabled = options.key?(:if) ? !options.delete(:if) : options.delete(:unless)
    if disabled
      return block ? block.call : object_to_cache
    end
  end

  options[:object] = object_to_cache if object_to_cache != NO_OBJECT

  context_to_use = options.delete(:context)
  context_to_use = context if context_to_use.nil? && respond_to?(:context)
  raise ArgumentError, "cannot find context, please pass it explicitly" unless context_to_use

  fragment = Fragment.new(context_to_use, **options)

  GraphQL::FragmentCache::Schema::LazyCacheResolver.new(fragment, context_to_use, object_to_cache, &block)
end