is-plain-obj/index.js

Check if a value is a plain object

export default function isPlainObject(value) {
	if (typeof value !== 'object' || value === null) {
		return false;
	}

	const prototype = Object.getPrototypeOf(value);
	return (prototype === null || prototype === Object.prototype || Object.getPrototypeOf(prototype) === null) && !(Symbol.toStringTag in value) && !(Symbol.iterator in value);
}