Class: GraphQL::Schema::Printer
- Inherits:
-
Language::Printer
- Object
- Language::Printer
- GraphQL::Schema::Printer
- Defined in:
- lib/graphql/schema/printer.rb
Overview
Used to convert your GraphQL::Schema to a GraphQL schema string
Defined Under Namespace
Classes: IntrospectionPrinter
Constant Summary
Constants inherited from Language::Printer
Instance Attribute Summary collapse
-
#schema ⇒ Object
readonly
Returns the value of attribute schema.
-
#warden ⇒ Object
readonly
Returns the value of attribute warden.
Class Method Summary collapse
-
.print_introspection_schema ⇒ Object
Return the GraphQL schema string for the introspection type system.
-
.print_schema(schema, **args) ⇒ Object
Return a GraphQL schema string for the defined types in the schema.
Instance Method Summary collapse
-
#initialize(schema, context: nil, introspection: false) ⇒ Printer
constructor
A new instance of Printer.
-
#print_schema ⇒ Object
Return a GraphQL schema string for the defined types in the schema.
- #print_type(type) ⇒ Object
Methods inherited from Language::Printer
Constructor Details
#initialize(schema, context: nil, introspection: false) ⇒ Printer
Returns a new instance of Printer.
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# File 'lib/graphql/schema/printer.rb', line 40 def initialize(schema, context: nil, introspection: false) @document_from_schema = GraphQL::Language::DocumentFromSchemaDefinition.new( schema, context: context, include_introspection_types: introspection, ) @document = @document_from_schema.document @schema = schema end |
Instance Attribute Details
#schema ⇒ Object (readonly)
Returns the value of attribute schema.
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# File 'lib/graphql/schema/printer.rb', line 35 def schema @schema end |
#warden ⇒ Object (readonly)
Returns the value of attribute warden.
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# File 'lib/graphql/schema/printer.rb', line 35 def warden @warden end |
Class Method Details
.print_introspection_schema ⇒ Object
Return the GraphQL schema string for the introspection type system
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# File 'lib/graphql/schema/printer.rb', line 52 def self.print_introspection_schema query_root = Class.new(GraphQL::Schema::Object) do graphql_name "Root" field :throwaway_field, String def self.visible?(ctx) false end end schema = Class.new(GraphQL::Schema) { use GraphQL::Schema::Visibility query(query_root) def self.visible?(member, _ctx) member.graphql_name != "Root" end } introspection_schema_ast = GraphQL::Language::DocumentFromSchemaDefinition.new( schema, include_introspection_types: true, include_built_in_directives: true, ).document introspection_schema_ast.to_query_string(printer: IntrospectionPrinter.new) end |
.print_schema(schema, **args) ⇒ Object
Return a GraphQL schema string for the defined types in the schema
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# File 'lib/graphql/schema/printer.rb', line 82 def self.print_schema(schema, **args) printer = new(schema, **args) printer.print_schema end |
Instance Method Details
#print_schema ⇒ Object
Return a GraphQL schema string for the defined types in the schema
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# File 'lib/graphql/schema/printer.rb', line 88 def print_schema print(@document) + "\n" end |
#print_type(type) ⇒ Object
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# File 'lib/graphql/schema/printer.rb', line 92 def print_type(type) node = @document_from_schema.build_type_definition_node(type) print(node) end |