aaac7fed
 liuqimichale
add
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/*!
* 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;
};
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