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