"use strict";

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

var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }(); /**
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          * Copyright (c) 2017-present, Facebook, Inc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          * All rights reserved.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          *
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          * This source code is licensed under the BSD-style license found in the
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          * LICENSE file in the root directory of this source tree. An additional grant
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          * of patent rights can be found in the PATENTS file in the same directory.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          */

exports.default = function (realm) {
  // ECMA262 18.2.3
  return new _index.NativeFunctionValue(realm, "isNaN", "isNaN", 1, function (context, _ref) {
    var _ref2 = _slicedToArray(_ref, 1),
        number = _ref2[0];

    // 1. Let num be ? ToNumber(number).
    var num = _singletons.To.ToNumber(realm, number);

    // 2. If num is NaN, return true.
    if (isNaN(num)) return realm.intrinsics.true;

    // 3. Otherwise, return false.
    return realm.intrinsics.false;
  }, false);
};

var _index = require("../../values/index.js");

var _singletons = require("../../singletons.js");
//# sourceMappingURL=isNaN.js.map