text: /*!
   * is-plain-object <https://github.com/jonschlinkert/is-plain-object>
   *
   * Copyright (c) 2014-2017, Jon Schlinkert.
   * Released under the MIT License.
   */
  
  'use strict';
  
  var isObject = require('isobject');
  
  function isObjectObject(o) {
    return isObject(o) === true
      && Object.prototype.toString.call(o) === '[object Object]';
  }
  
  module.exports = function isPlainObject(o) {
    var ctor,prot;
  
    if (isObjectObject(o) === false) return false;
  
    // If has modified constructor
    ctor = o.constructor;
    if (typeof ctor !== 'function') return false;
  
    // If has modified prototype
    prot = ctor.prototype;
    if (isObjectObject(prot) === false) return false;
  
    // If constructor does not have an Object-specific method
    if (prot.hasOwnProperty('isPrototypeOf') === false) {
      return false;
    }
  
    // Most likely a plain Object
    return true;
  };
  