Class: GraphQL::Client::Document

Inherits:
Node
  • Object
show all
Defined in:
lib/graphql/client/document.rb

Instance Attribute Summary

Attributes inherited from Node

#fragments, #node, #type

Class Method Summary collapse

Methods inherited from Node

#initialize, #new, scan_interpolated_fragments

Constructor Details

This class inherits a constructor from GraphQL::Client::Node

Class Method Details

.parse(str, schema: GraphQL::Client.schema) ⇒ Object 



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# File 'lib/graphql/client/document.rb', line 13

def self.parse(str, schema: GraphQL::Client.schema)
  str = str.strip
  str, fragments = scan_interpolated_fragments(str)

  document = GraphQL.parse(str)
  document = document.inject_selection(GraphQL::Language::Nodes::Field.new(name: "__typename"))

  document.definitions.each do |definition|
    fragments[definition.name.to_sym] = definition if definition.is_a?(GraphQL::Language::Nodes::FragmentDefinition)
  end

  document = document.replace_fragment_spread(fragments)

  document.definitions.inject({}) do |doc, definition|
    name = definition.name.to_sym

    case definition
    when GraphQL::Language::Nodes::OperationDefinition
      query = GraphQL::Client::Query.new(definition.deep_freeze, fragments.values).freeze
      query.node.validate!(schema: schema) if schema
      doc[name] = query

    when GraphQL::Language::Nodes::FragmentDefinition
      definition = GraphQL::Language::Nodes::InlineFragment.new(type: definition.type, directives: definition.directives, selections: definition.selections)
      fragment = GraphQL::Client::Fragment.new(definition.deep_freeze, fragments.values).freeze
      fragment.node.validate!(schema: schema) if schema
      doc[name] = fragment
    end

    doc
  end
end