Class: GraphQL::Client
- Inherits:
-
Object
- Object
- GraphQL::Client
- Defined in:
- lib/graphql/client.rb,
lib/graphql/client/query_result.rb
Defined Under Namespace
Modules: LazyName Classes: Definition, Error, FragmentDefinition, OperationDefinition, QueryResult, ValidationError
Instance Attribute Summary collapse
-
#schema ⇒ Object
readonly
Returns the value of attribute schema.
Instance Method Summary collapse
- #document ⇒ Object
-
#initialize(schema: nil) ⇒ Client
constructor
A new instance of Client.
- #parse(str) ⇒ Object
Constructor Details
Instance Attribute Details
#schema ⇒ Object (readonly)
Returns the value of attribute schema.
12 13 14 |
# File 'lib/graphql/client.rb', line 12 def schema @schema end |
Instance Method Details
#document ⇒ Object
156 157 158 |
# File 'lib/graphql/client.rb', line 156 def document @document end |
#parse(str) ⇒ Object
85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 |
# File 'lib/graphql/client.rb', line 85 def parse(str) definition_dependencies = Set.new str = str.gsub(/\.\.\.([a-zA-Z0-9_]+(::[a-zA-Z0-9_]+)+)/) { |m| const_name = $1 case fragment = ActiveSupport::Inflector.safe_constantize(const_name) when FragmentDefinition definition_dependencies.merge(fragment.document.definitions) "...#{fragment.definition_name}" when nil raise NameError, "uninitialized constant #{const_name}\n#{str}" else raise TypeError, "expected #{const_name} to be a #{FragmentDefinition}, but was a #{fragment.class}" end } doc = GraphQL.parse(str) doc.definitions.each do |node| node.name ||= "__anonymous__" end definition_dependencies.merge(doc.definitions) document_dependencies = Language::Nodes::Document.new(definitions: definition_dependencies.to_a) if @schema rules = GraphQL::StaticValidation::ALL_RULES - [GraphQL::StaticValidation::FragmentsAreUsed] validator = GraphQL::StaticValidation::Validator.new(schema: @schema, rules: rules) query = Query.new(@schema, document: document_dependencies) errors = validator.validate(query) errors.fetch(:errors).each do |error| raise ValidationError, error["message"] + "\n\n" + str end end definitions = {} doc.definitions.each do |node| node.name = nil if node.name == "__anonymous__" sliced_document = Language::OperationSlice.slice(document_dependencies, node.name) definition = Definition.for(node: node, document: sliced_document) definitions[node.name] = definition end rename_node = -> (node, parent) { if definition = definitions[node.name] node.extend(LazyName) node.name = -> { definition.definition_name } end } visitor = Language::Visitor.new(doc) visitor[Language::Nodes::FragmentDefinition].leave << rename_node visitor[Language::Nodes::OperationDefinition].leave << rename_node visitor[Language::Nodes::FragmentSpread].leave << rename_node visitor.visit doc.deep_freeze self.document.definitions.concat(doc.definitions) if definitions[nil] definitions[nil] else Module.new do definitions.each do |name, definition| const_set(name, definition) end end end end |