jaibatrik

const tracePropertyAccess = (obj, handler, path) => {
  path = path || [];

  return new Proxy(obj, {
    get(target, propKey, receiver) {
      const val = Reflect.get(target, propKey, receiver),
        newPath = path.concat(propKey);

      if (val && typeof val === 'object') {
        return tracePropertyAccess(val, handler, newPath);