13 lines
433 B
JavaScript
13 lines
433 B
JavaScript
'use strict';
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module.exports = function isPOJO(arg) {
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if (arg == null || typeof arg !== 'object') {
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return false;
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}
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const proto = Object.getPrototypeOf(arg);
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// Prototype may be null if you used `Object.create(null)`
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// Checking `proto`'s constructor is safe because `getPrototypeOf()`
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// explicitly crosses the boundary from object data to object metadata
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return !proto || proto.constructor.name === 'Object';
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};
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