/**
* @param {any} obj The object to inspect.
* @returns {boolean} True if the argument appears to be a plain object.
*/
export default function isPlainObject(obj: unknown) {
if (typeof obj !== 'object' || obj === null) return false
let proto = Object.getPrototypeOf(obj)
if (proto === null) return true
let baseProto = proto
while (Object.getPrototypeOf(baseProto) !== null) {
baseProto = Object.getPrototypeOf(baseProto)
}
return proto === baseProto
}