Use introspection query used by GraphQL Voyager.

https://ivangoncharov.github.io/graphql-voyager/

graphql.txt

@@ -1 +1,96 @@
-{__schema{types{name,kind,description,fields{name,type{name}}}}}
+query IntrospectionQuery {
+  __schema {
+
+	queryType { name }
+	mutationType { name }
+	subscriptionType { name }
+	types {
+	  ...FullType
+	}
+	directives {
+	  name
+	  description
+
+	  locations
+	  args {
+		...InputValue
+	  }
+	}
+  }
+}
+
+fragment FullType on __Type {
+  kind
+  name
+  description
+
+  fields(includeDeprecated: true) {
+	name
+	description
+	args {
+	  ...InputValue
+	}
+	type {
+	  ...TypeRef
+	}
+	isDeprecated
+	deprecationReason
+  }
+  inputFields {
+	...InputValue
+  }
+  interfaces {
+	...TypeRef
+  }
+  enumValues(includeDeprecated: true) {
+	name
+	description
+	isDeprecated
+	deprecationReason
+  }
+  possibleTypes {
+	...TypeRef
+  }
+}
+
+fragment InputValue on __InputValue {
+  name
+  description
+  type { ...TypeRef }
+  defaultValue
+
+
+}
+
+fragment TypeRef on __Type {
+  kind
+  name
+  ofType {
+	kind
+	name
+	ofType {
+	  kind
+	  name
+	  ofType {
+		kind
+		name
+		ofType {
+		  kind
+		  name
+		  ofType {
+			kind
+			name
+			ofType {
+			  kind
+			  name
+			  ofType {
+				kind
+				name
+			  }
+			}
+		  }
+		}
+	  }
+	}
+  }
+}