node_modules/is-plain-obj/index.js

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);
}