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21 lines
597 B
21 lines
597 B
3 years ago
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import hasOwnProp from './hasOwnProp';
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import getType from './getType';
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/**
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* @description: 判断指定参数是否是一个纯粹的对象
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* @param {object} obj
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* @return {boolean}
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*/
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export default function isPlainObject(obj) {
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if (!obj || getType(obj) !== 'object') {
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return false;
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}
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const proto = Object.getPrototypeOf(obj);
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if (!proto) {
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return true;
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}
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const ctor = hasOwnProp(proto, 'constructor') && proto.constructor;
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const fnToString = Object.hasOwnProperty.toString;
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return typeof ctor === 'function' && fnToString.call(ctor) === fnToString.call(Object);
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}
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