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'use strict';
var $ = require('../internals/export');
var isPrototypeOf = require('../internals/object-is-prototype-of');
var getPrototypeOf = require('../internals/object-get-prototype-of');
var setPrototypeOf = require('../internals/object-set-prototype-of');
var copyConstructorProperties = require('../internals/copy-constructor-properties');
var create = require('../internals/object-create');
var createNonEnumerableProperty = require('../internals/create-non-enumerable-property');
var createPropertyDescriptor = require('../internals/create-property-descriptor');
var clearErrorStack = require('../internals/error-stack-clear');
var installErrorCause = require('../internals/install-error-cause');
var iterate = require('../internals/iterate');
var normalizeStringArgument = require('../internals/normalize-string-argument');
var wellKnownSymbol = require('../internals/well-known-symbol');
var ERROR_STACK_INSTALLABLE = require('../internals/error-stack-installable');

var TO_STRING_TAG = wellKnownSymbol('toStringTag');
var $Error = Error;
var push = [].push;

var $AggregateError = function AggregateError(errors, message /* , options */) {
  var options = arguments.length > 2 ? arguments[2] : undefined;
  var isInstance = isPrototypeOf(AggregateErrorPrototype, this);
  var that;
  if (setPrototypeOf) {
    that = setPrototypeOf($Error(), isInstance ? getPrototypeOf(this) : AggregateErrorPrototype);
  } else {
    that = isInstance ? this : create(AggregateErrorPrototype);
    createNonEnumerableProperty(that, TO_STRING_TAG, 'Error');
  }
  if (message !== undefined) createNonEnumerableProperty(that, 'message', normalizeStringArgument(message));
  if (ERROR_STACK_INSTALLABLE) createNonEnumerableProperty(that, 'stack', clearErrorStack(that.stack, 1));
  installErrorCause(that, options);
  var errorsArray = [];
  iterate(errors, push, { that: errorsArray });
  createNonEnumerableProperty(that, 'errors', errorsArray);
  return that;
};

if (setPrototypeOf) setPrototypeOf($AggregateError, $Error);
else copyConstructorProperties($AggregateError, $Error, { name: true });

var AggregateErrorPrototype = $AggregateError.prototype = create($Error.prototype, {
  constructor: createPropertyDescriptor(1, $AggregateError),
  message: createPropertyDescriptor(1, ''),
  name: createPropertyDescriptor(1, 'AggregateError')
});

// `AggregateError` constructor
// https://tc39.es/ecma262/#sec-aggregate-error-constructor
$({ global: true, constructor: true, arity: 2 }, {
  AggregateError: $AggregateError
});