'use strict';

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

var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };

exports.shallowEqual = shallowEqual;
// Copyright (c) 2015 - 2017 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

// Shallow compare
/* eslint-disable complexity */
function shallowEqual(a, b) {
  var _ref = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {},
      _ref$ignore = _ref.ignore,
      ignore = _ref$ignore === undefined ? {} : _ref$ignore;

  if (a === b) {
    return true;
  }

  if ((typeof a === 'undefined' ? 'undefined' : _typeof(a)) !== 'object' || a === null || (typeof b === 'undefined' ? 'undefined' : _typeof(b)) !== 'object' || b === null) {
    return false;
  }

  if (Object.keys(a).length !== Object.keys(b).length) {
    return false;
  }

  for (var key in a) {
    if (!(key in ignore) && (!(key in b) || a[key] !== b[key])) {
      return false;
    }
  }
  for (var _key in b) {
    if (!(_key in ignore) && !(_key in a)) {
      return false;
    }
  }
  return true;
}
//# sourceMappingURL=shallow-equal.js.map