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