Class: GraphQL::Stitching::ExportSelection

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

Overview

Builds hidden selection fields added by stitiching code, used to request operational data about resolved objects.

Constant Summary collapse

EXPORT_PREFIX = 
"_export_"
FIELD_ALIAS_KWARG =

The argument assigning Field.alias changed from a generic alias hash key to a structured field_alias kwarg. See https://github.com/rmosolgo/graphql-ruby/pull/4718

!GraphQL::Language::Nodes::Field.new(field_alias: "a").alias.nil?

Class Method Summary collapse

Class Method Details

.key(name) ⇒ Object 



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# File 'lib/graphql/stitching/export_selection.rb', line 19

def key(name)
  "#{EXPORT_PREFIX}#{name}"
end

.key?(name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/graphql/stitching/export_selection.rb', line 13

def key?(name)
  return false unless name

  name.start_with?(EXPORT_PREFIX)
end

.key_node(field_name) ⇒ Object 



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# File 'lib/graphql/stitching/export_selection.rb', line 28

def key_node(field_name)
  if FIELD_ALIAS_KWARG
    GraphQL::Language::Nodes::Field.new(field_alias: key(field_name), name: field_name)
  else
    GraphQL::Language::Nodes::Field.new(alias: key(field_name), name: field_name)
  end
end

.typename_node ⇒ Object 



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# File 'lib/graphql/stitching/export_selection.rb', line 36

def typename_node
  @typename_node ||= key_node("__typename")
end