graphql/utilities/typeFromAST.js

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.typeFromAST = typeFromAST;

var _inspect = _interopRequireDefault(require("../jsutils/inspect.js"));

var _invariant = _interopRequireDefault(require("../jsutils/invariant.js"));

var _kinds = require("../language/kinds.js");

var _definition = require("../type/definition.js");

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function typeFromAST(schema, typeNode) {
  /* eslint-enable no-redeclare */
  var innerType;

  if (typeNode.kind === _kinds.Kind.LIST_TYPE) {
    innerType = typeFromAST(schema, typeNode.type);
    return innerType && new _definition.GraphQLList(innerType);
  }

  if (typeNode.kind === _kinds.Kind.NON_NULL_TYPE) {
    innerType = typeFromAST(schema, typeNode.type);
    return innerType && new _definition.GraphQLNonNull(innerType);
  } // istanbul ignore else (See: 'https://github.com/graphql/graphql-js/issues/2618')


  if (typeNode.kind === _kinds.Kind.NAMED_TYPE) {
    return schema.getType(typeNode.name.value);
  } // istanbul ignore next (Not reachable. All possible type nodes have been considered)


  false || (0, _invariant.default)(0, 'Unexpected type node: ' + (0, _inspect.default)(typeNode));
}