function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }

function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }

function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }

function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _wrapNativeSuper(Class) { var _cache = typeof Map === "function" ? new Map() : undefined; _wrapNativeSuper = function _wrapNativeSuper(Class) { if (Class === null || !_isNativeFunction(Class)) return Class; if (typeof Class !== "function") { throw new TypeError("Super expression must either be null or a function"); } if (typeof _cache !== "undefined") { if (_cache.has(Class)) return _cache.get(Class); _cache.set(Class, Wrapper); } function Wrapper() { return _construct(Class, arguments, _getPrototypeOf(this).constructor); } Wrapper.prototype = Object.create(Class.prototype, { constructor: { value: Wrapper, enumerable: false, writable: true, configurable: true } }); return _setPrototypeOf(Wrapper, Class); }; return _wrapNativeSuper(Class); }

function _construct(Parent, args, Class) { if (_isNativeReflectConstruct()) { _construct = Reflect.construct; } else { _construct = function _construct(Parent, args, Class) { var a = [null]; a.push.apply(a, args); var Constructor = Function.bind.apply(Parent, a); var instance = new Constructor(); if (Class) _setPrototypeOf(instance, Class.prototype); return instance; }; } return _construct.apply(null, arguments); }

function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }

function _isNativeFunction(fn) { return Function.toString.call(fn).indexOf("[native code]") !== -1; }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

import isObjectLike from "../jsutils/isObjectLike.mjs";
import { SYMBOL_TO_STRING_TAG } from "../polyfills/symbols.mjs";
import { getLocation } from "../language/location.mjs";
import { printLocation, printSourceLocation } from "../language/printLocation.mjs";
/**
 * A GraphQLError describes an Error found during the parse, validate, or
 * execute phases of performing a GraphQL operation. In addition to a message
 * and stack trace, it also includes information about the locations in a
 * GraphQL document and/or execution result that correspond to the Error.
 */

export var GraphQLError = /*#__PURE__*/function (_Error) {
  _inherits(GraphQLError, _Error);

  var _super = _createSuper(GraphQLError);

  /**
   * An array of { line, column } locations within the source GraphQL document
   * which correspond to this error.
   *
   * Errors during validation often contain multiple locations, for example to
   * point out two things with the same name. Errors during execution include a
   * single location, the field which produced the error.
   *
   * Enumerable, and appears in the result of JSON.stringify().
   */

  /**
   * An array describing the JSON-path into the execution response which
   * corresponds to this error. Only included for errors during execution.
   *
   * Enumerable, and appears in the result of JSON.stringify().
   */

  /**
   * An array of GraphQL AST Nodes corresponding to this error.
   */

  /**
   * The source GraphQL document for the first location of this error.
   *
   * Note that if this Error represents more than one node, the source may not
   * represent nodes after the first node.
   */

  /**
   * An array of character offsets within the source GraphQL document
   * which correspond to this error.
   */

  /**
   * The original error thrown from a field resolver during execution.
   */

  /**
   * Extension fields to add to the formatted error.
   */
  function GraphQLError(message, nodes, source, positions, path, originalError, extensions) {
    var _nodeLocations, _nodeLocations2, _nodeLocations3;

    var _this;

    _classCallCheck(this, GraphQLError);

    _this = _super.call(this, message);
    _this.name = 'GraphQLError';
    _this.originalError = originalError !== null && originalError !== void 0 ? originalError : undefined; // Compute list of blame nodes.

    _this.nodes = undefinedIfEmpty(Array.isArray(nodes) ? nodes : nodes ? [nodes] : undefined);
    var nodeLocations = [];

    for (var _i2 = 0, _ref3 = (_this$nodes = _this.nodes) !== null && _this$nodes !== void 0 ? _this$nodes : []; _i2 < _ref3.length; _i2++) {
      var _this$nodes;

      var _ref4 = _ref3[_i2];
      var loc = _ref4.loc;

      if (loc != null) {
        nodeLocations.push(loc);
      }
    }

    nodeLocations = undefinedIfEmpty(nodeLocations); // Compute locations in the source for the given nodes/positions.

    _this.source = source !== null && source !== void 0 ? source : (_nodeLocations = nodeLocations) === null || _nodeLocations === void 0 ? void 0 : _nodeLocations[0].source;
    _this.positions = positions !== null && positions !== void 0 ? positions : (_nodeLocations2 = nodeLocations) === null || _nodeLocations2 === void 0 ? void 0 : _nodeLocations2.map(function (loc) {
      return loc.start;
    });
    _this.locations = positions && source ? positions.map(function (pos) {
      return getLocation(source, pos);
    }) : (_nodeLocations3 = nodeLocations) === null || _nodeLocations3 === void 0 ? void 0 : _nodeLocations3.map(function (loc) {
      return getLocation(loc.source, loc.start);
    });
    _this.path = path !== null && path !== void 0 ? path : undefined;
    var originalExtensions = originalError === null || originalError === void 0 ? void 0 : originalError.extensions;

    if (extensions == null && isObjectLike(originalExtensions)) {
      _this.extensions = _objectSpread({}, originalExtensions);
    } else {
      _this.extensions = extensions !== null && extensions !== void 0 ? extensions : {};
    } // By being enumerable, JSON.stringify will include bellow properties in the resulting output.
    // This ensures that the simplest possible GraphQL service adheres to the spec.


    Object.defineProperties(_assertThisInitialized(_this), {
      message: {
        enumerable: true
      },
      locations: {
        enumerable: _this.locations != null
      },
      path: {
        enumerable: _this.path != null
      },
      extensions: {
        enumerable: _this.extensions != null && Object.keys(_this.extensions).length > 0
      },
      name: {
        enumerable: false
      },
      nodes: {
        enumerable: false
      },
      source: {
        enumerable: false
      },
      positions: {
        enumerable: false
      },
      originalError: {
        enumerable: false
      }
    }); // Include (non-enumerable) stack trace.

    if (originalError !== null && originalError !== void 0 && originalError.stack) {
      Object.defineProperty(_assertThisInitialized(_this), 'stack', {
        value: originalError.stack,
        writable: true,
        configurable: true
      });
      return _possibleConstructorReturn(_this);
    } // istanbul ignore next (See: 'https://github.com/graphql/graphql-js/issues/2317')


    if (Error.captureStackTrace) {
      Error.captureStackTrace(_assertThisInitialized(_this), GraphQLError);
    } else {
      Object.defineProperty(_assertThisInitialized(_this), 'stack', {
        value: Error().stack,
        writable: true,
        configurable: true
      });
    }

    return _this;
  }

  _createClass(GraphQLError, [{
    key: "toString",
    value: function toString() {
      return printError(this);
    } // FIXME: workaround to not break chai comparisons, should be remove in v16
    // $FlowFixMe[unsupported-syntax] Flow doesn't support computed properties yet

  }, {
    key: SYMBOL_TO_STRING_TAG,
    get: function get() {
      return 'Object';
    }
  }]);

  return GraphQLError;
}( /*#__PURE__*/_wrapNativeSuper(Error));

function undefinedIfEmpty(array) {
  return array === undefined || array.length === 0 ? undefined : array;
}
/**
 * Prints a GraphQLError to a string, representing useful location information
 * about the error's position in the source.
 */


export function printError(error) {
  var output = error.message;

  if (error.nodes) {
    for (var _i4 = 0, _error$nodes2 = error.nodes; _i4 < _error$nodes2.length; _i4++) {
      var node = _error$nodes2[_i4];

      if (node.loc) {
        output += '\n\n' + printLocation(node.loc);
      }
    }
  } else if (error.source && error.locations) {
    for (var _i6 = 0, _error$locations2 = error.locations; _i6 < _error$locations2.length; _i6++) {
      var location = _error$locations2[_i6];
      output += '\n\n' + printSourceLocation(error.source, location);
    }
  }

  return output;
}