Module: GraphQL::Client::DocumentTypes
- Defined in:
- lib/graphql/client/document_types.rb
Overview
Internal: Use schema to detect definition and field types.
Class Method Summary collapse
-
.analyze_types(schema, document) ⇒ Object
Internal: Detect all types used in a given document.
Class Method Details
.analyze_types(schema, document) ⇒ Object
Internal: Detect all types used in a given document
schema - A GraphQL::Schema document - A GraphQL::Language::Nodes::Document to scan
Returns a Hash to GraphQL::Type objects.
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# File 'lib/graphql/client/document_types.rb', line 14 def self.analyze_types(schema, document) unless schema.is_a?(GraphQL::Schema) raise TypeError, "expected schema to be a GraphQL::Schema, but was #{schema.class}" end unless document.is_a?(GraphQL::Language::Nodes::Document) raise TypeError, "expected schema to be a GraphQL::Language::Nodes::Document, but was #{document.class}" end visitor = GraphQL::Language::Visitor.new(document) type_stack = GraphQL::StaticValidation::TypeStack.new(schema, visitor) fields = {} visitor[GraphQL::Language::Nodes::OperationDefinition] << ->(node, _parent) do fields[node] = type_stack.object_types.last end visitor[GraphQL::Language::Nodes::FragmentDefinition] << ->(node, _parent) do fields[node] = type_stack.object_types.last end visitor[GraphQL::Language::Nodes::Field] << ->(node, _parent) do fields[node] = type_stack.field_definitions.last.type end visitor.visit fields end |