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38 lines
856 B
38 lines
856 B
4 weeks ago
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/*!
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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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