google-map-react/lib/utils/isPlainObject.js

isomorphic google map react component, allows render react components on the google map

'use strict';

exports.__esModule = 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.default = isPlainObject;
// source taken from https://github.com/rackt/redux/blob/master/src/utils/isPlainObject.js
var fnToString = function fnToString(fn) {
  return Function.prototype.toString.call(fn);
};

/**
 * @param {any} obj The object to inspect.
 * @returns {boolean} True if the argument appears to be a plain object.
 */
function isPlainObject(obj) {
  if (!obj || (typeof obj === 'undefined' ? 'undefined' : _typeof(obj)) !== 'object') {
    return false;
  }

  var proto = typeof obj.constructor === 'function' ? Object.getPrototypeOf(obj) : Object.prototype;

  if (proto === null) {
    return true;
  }

  var constructor = proto.constructor;

  return typeof constructor === 'function' && constructor instanceof constructor && fnToString(constructor) === fnToString(Object);
}